/* roulang page: index */
:root {
            --douyu-orange: #FF6A14;
            --douyu-orange-dark: #E55A0D;
            --douyu-orange-light: #FFF4ED;
            --douyu-dark: #1E2A36;
            --douyu-dark-2: #2B3948;
            --douyu-gray-bg: #F5F7FA;
            --douyu-gray-border: #E5E7EB;
            --douyu-text: #1E2A36;
            --douyu-text-light: #5A6B7B;
            --douyu-text-muted: #8B98A5;
            --douyu-aqua: #00B8A8;
            --douyu-aqua-light: #E6F9F7;
            --douyu-yellow: #FFC400;
            --douyu-radius-sm: 8px;
            --douyu-radius-md: 10px;
            --douyu-radius-lg: 16px;
            --douyu-radius-full: 999px;
            --douyu-shadow-sm: 0 4px 12px rgba(30,42,54,0.06);
            --douyu-shadow-md: 0 8px 24px rgba(30,42,54,0.09);
            --douyu-shadow-hover: 0 12px 28px rgba(255,106,20,0.14);
            --douyu-transition: all .25s cubic-bezier(.4,0,.2,1);
            --douyu-nav-height: 64px;
            --douyu-container-max: 1240px;
            --douyu-gutter: 1.5rem;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
            font-size: 15px;
            line-height: 1.85;
            color: var(--douyu-text);
            background-color: var(--douyu-gray-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--douyu-nav-height);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--douyu-orange);
            text-decoration: none;
            transition: var(--douyu-transition);
        }
        a:hover {
            color: var(--douyu-orange-dark);
        }

        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            transition: var(--douyu-transition);
        }

        button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--douyu-orange);
            outline-offset: 2px;
        }

        .section {
            padding: 72px 0;
        }
        .section-sm {
            padding: 52px 0;
        }
        .section-lg {
            padding: 92px 0;
        }
        .section-dark {
            background: var(--douyu-dark);
            color: #E8ECF0;
        }
        .section-white {
            background: #fff;
        }
        .section-gray {
            background: var(--douyu-gray-bg);
        }
        .section-orange-light {
            background: var(--douyu-orange-light);
        }

        .container-custom {
            max-width: var(--douyu-container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (min-width: 992px) {
            .container-custom {
                padding-left: clamp(24px, 3vw, 40px);
                padding-right: clamp(24px, 3vw, 40px);
            }
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .06em;
            text-transform: uppercase;
            color: var(--douyu-orange);
            margin-bottom: 12px;
        }
        .eyebrow::before {
            content: '';
            display: inline-block;
            width: 20px;
            height: 2px;
            background: var(--douyu-orange);
            border-radius: 2px;
        }
        .eyebrow.is-centered::after {
            content: '';
            display: inline-block;
            width: 20px;
            height: 2px;
            background: var(--douyu-orange);
            border-radius: 2px;
        }

        .section-title {
            font-size: clamp(26px, 3vw, 34px);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
            color: var(--douyu-text);
        }
        .section-subtitle {
            font-size: 16px;
            line-height: 1.75;
            color: var(--douyu-text-light);
            margin-bottom: 36px;
            max-width: 700px;
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-dark .section-subtitle {
            color: #B8C4CE;
        }
        .text-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        .btn-douyu {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--douyu-radius-full);
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            border: none;
            cursor: pointer;
            transition: var(--douyu-transition);
            text-align: center;
            white-space: nowrap;
        }
        .btn-douyu-primary {
            background: var(--douyu-orange);
            color: #fff;
            box-shadow: 0 4px 16px rgba(255,106,20,0.35);
        }
        .btn-douyu-primary:hover {
            background: var(--douyu-orange-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255,106,20,0.45);
        }
        .btn-douyu-primary:active {
            transform: translateY(0);
        }
        .btn-douyu-outline {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255,255,255,0.55);
        }
        .btn-douyu-outline:hover {
            background: rgba(255,255,255,0.12);
            color: #fff;
            border-color: #fff;
        }
        .btn-douyu-outline-dark {
            background: transparent;
            color: var(--douyu-text);
            border: 1.5px solid var(--douyu-gray-border);
        }
        .btn-douyu-outline-dark:hover {
            border-color: var(--douyu-orange);
            color: var(--douyu-orange);
            background: var(--douyu-orange-light);
        }
        .btn-douyu-sm {
            padding: 8px 16px;
            font-size: 13px;
        }
        .btn-douyu-lg {
            padding: 16px 32px;
            font-size: 17px;
        }

        .badge-douyu {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: var(--douyu-radius-full);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: .02em;
            line-height: 1.6;
        }
        .badge-orange {
            background: var(--douyu-orange-light);
            color: var(--douyu-orange);
        }
        .badge-aqua {
            background: var(--douyu-aqua-light);
            color: #009486;
        }
        .badge-yellow {
            background: #FFF8E1;
            color: #C79000;
        }
        .badge-dark {
            background: rgba(255,255,255,0.15);
            color: #E8ECF0;
        }
        .badge-outline {
            background: transparent;
            border: 1px solid var(--douyu-gray-border);
            color: var(--douyu-text-light);
        }

        .card-douyu {
            background: #fff;
            border: 1px solid var(--douyu-gray-border);
            border-radius: var(--douyu-radius-md);
            overflow: hidden;
            transition: var(--douyu-transition);
            box-shadow: var(--douyu-shadow-sm);
            height: 100%;
        }
        .card-douyu:hover {
            transform: translateY(-4px);
            box-shadow: var(--douyu-shadow-hover);
            border-color: rgba(255,106,20,0.3);
        }
        .card-douyu .card-cover {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
            background: #F0F2F5;
        }
        .card-douyu .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .card-douyu:hover .card-cover img {
            transform: scale(1.04);
        }
        .card-douyu .card-body {
            padding: 20px;
        }
        .card-douyu .card-title {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--douyu-text);
        }
        .card-douyu .card-text {
            font-size: 14px;
            line-height: 1.7;
            color: var(--douyu-text-light);
            margin-bottom: 14px;
        }

        .tag-douyu {
            display: inline-flex;
            align-items: center;
            padding: 4px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 500;
            background: var(--douyu-gray-bg);
            color: var(--douyu-text-light);
            transition: var(--douyu-transition);
        }
        .tag-douyu:hover {
            background: var(--douyu-orange-light);
            color: var(--douyu-orange);
        }

        .divider-orange {
            width: 48px;
            height: 3px;
            background: var(--douyu-orange);
            border-radius: 3px;
            margin: 0 0 20px;
        }
        .text-center .divider-orange {
            margin-left: auto;
            margin-right: auto;
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: var(--douyu-nav-height);
            background: rgba(255,255,255,0.94);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--douyu-gray-border);
            transition: box-shadow .3s ease;
        }
        .site-header.is-scrolled {
            box-shadow: 0 4px 20px rgba(30,42,54,0.08);
        }
        .site-header .navbar-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--douyu-nav-height);
            gap: 16px;
        }
        .navbar-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: var(--douyu-text);
            text-decoration: none;
            flex-shrink: 0;
        }
        .navbar-logo:hover {
            color: var(--douyu-text);
        }
        .navbar-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--douyu-orange);
            color: #fff;
            border-radius: 8px;
            font-size: 14px;
        }
        .navbar-logo .logo-text {
            font-size: 20px;
            font-weight: 800;
        }
        .navbar-logo .logo-text .logo-highlight {
            color: var(--douyu-orange);
        }

        .navbar-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            overflow-x: auto;
            scrollbar-width: thin;
            -webkit-overflow-scrolling: touch;
        }
        .navbar-links li {
            flex-shrink: 0;
        }
        .navbar-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--douyu-text-light);
            border-radius: var(--douyu-radius-full);
            text-decoration: none;
            transition: var(--douyu-transition);
        }
        .navbar-links a:hover {
            color: var(--douyu-orange);
            background: var(--douyu-orange-light);
        }
        .navbar-links a.active {
            color: var(--douyu-orange);
            background: var(--douyu-orange-light);
            font-weight: 600;
        }

        .navbar-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            background: var(--douyu-gray-bg);
            border: 1px solid var(--douyu-gray-border);
            border-radius: var(--douyu-radius-full);
            transition: var(--douyu-transition);
        }
        .search-box:focus-within {
            border-color: var(--douyu-orange);
            background: #fff;
            box-shadow: 0 0 0 0.2rem rgba(255,106,20,0.12);
        }
        .search-box .search-icon {
            color: var(--douyu-text-muted);
            font-size: 14px;
        }
        .search-box input {
            border: none;
            background: transparent;
            font-size: 14px;
            width: 100px;
            outline: none;
            color: var(--douyu-text);
        }
        .search-box input::placeholder {
            color: var(--douyu-text-muted);
        }
        .btn-nav-trigger {
            display: none;
            background: transparent;
            border: none;
            font-size: 20px;
            color: var(--douyu-text);
            cursor: pointer;
            padding: 6px;
            border-radius: 6px;
        }
        .btn-nav-trigger:hover {
            background: var(--douyu-gray-bg);
        }

        .btn-go-live {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            background: var(--douyu-orange);
            color: #fff;
            border-radius: var(--douyu-radius-full);
            font-weight: 600;
            font-size: 14px;
            border: none;
            cursor: pointer;
            text-decoration: none;
            transition: var(--douyu-transition);
            white-space: nowrap;
        }
        .btn-go-live:hover {
            background: var(--douyu-orange-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(255,106,20,0.3);
        }

        .mobile-menu {
            position: fixed;
            top: var(--douyu-nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 1049;
            padding: 24px;
            overflow-y: auto;
            transform: translateX(-100%);
            transition: transform .3s ease;
            border-top: 1px solid var(--douyu-gray-border);
        }
        .mobile-menu.is-open {
            transform: translateX(0);
        }
        .mobile-menu .mobile-links {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
        }
        .mobile-menu .mobile-links a {
            display: block;
            padding: 14px 8px;
            font-size: 16px;
            font-weight: 500;
            color: var(--douyu-text);
            border-bottom: 1px solid var(--douyu-gray-border);
            text-decoration: none;
            transition: var(--douyu-transition);
        }
        .mobile-menu .mobile-links a:hover,
        .mobile-menu .mobile-links a.active {
            color: var(--douyu-orange);
        }

        @media (max-width: 991.98px) {
            .navbar-links {
                display: none;
            }
            .navbar-actions .search-box {
                display: none;
            }
            .btn-nav-trigger {
                display: inline-flex;
            }
            .btn-go-live {
                display: none;
            }
        }
        @media (min-width: 992px) {
            .mobile-menu {
                display: none;
            }
        }

        /* Hero - Brand Flagship */
        .hero-flagship {
            position: relative;
            min-height: 78vh;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            overflow: hidden;
            margin-top: calc(-1 * var(--douyu-nav-height));
            padding-top: var(--douyu-nav-height);
        }
        .hero-flagship::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(30,42,54,0.85) 0%, rgba(30,42,54,0.55) 45%, rgba(30,42,54,0.25) 100%);
            z-index: 1;
        }
        .hero-flagship .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            color: #fff;
            padding-top: 28px;
            padding-bottom: 28px;
        }
        .hero-flagship .hero-badge-row {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 18px;
        }
        .hero-flagship .hero-title {
            font-size: clamp(32px, 5vw, 48px);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.015em;
            margin-bottom: 16px;
            max-width: 700px;
        }
        .hero-flagship .hero-desc {
            font-size: clamp(15px, 1.6vw, 18px);
            line-height: 1.75;
            color: rgba(255,255,255,0.85);
            max-width: 580px;
            margin-bottom: 28px;
        }
        .hero-flagship .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .hero-flagship .hero-stats-row {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            margin-top: 36px;
        }
        .hero-flagship .hero-stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .hero-flagship .hero-stat-value {
            font-size: 28px;
            font-weight: 800;
            color: var(--douyu-yellow);
            line-height: 1.2;
        }
        .hero-flagship .hero-stat-label {
            font-size: 13px;
            color: rgba(255,255,255,0.7);
        }
        .hero-flagship .hero-series-nav {
            position: relative;
            z-index: 2;
            margin-top: 48px;
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            padding: 14px 18px;
            background: rgba(30,42,54,0.6);
            backdrop-filter: blur(8px);
            border-radius: var(--douyu-radius-md);
            border: 1px solid rgba(255,255,255,0.12);
        }
        .hero-flagship .hero-series-nav a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 500;
            color: rgba(255,255,255,0.8);
            background: rgba(255,255,255,0.08);
            border-radius: var(--douyu-radius-full);
            text-decoration: none;
            transition: var(--douyu-transition);
        }
        .hero-flagship .hero-series-nav a:hover {
            background: var(--douyu-orange);
            color: #fff;
        }

        @media (max-width: 767.98px) {
            .hero-flagship {
                min-height: 82vh;
            }
            .hero-flagship .hero-stats-row {
                gap: 20px;
            }
            .hero-flagship .hero-series-nav {
                margin-top: 28px;
                padding: 10px 12px;
                overflow-x: auto;
                flex-wrap: nowrap;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
            }
            .hero-flagship .hero-series-nav::-webkit-scrollbar {
                display: none;
            }
            .hero-flagship .hero-series-nav a {
                flex-shrink: 0;
                font-size: 12px;
                padding: 5px 10px;
            }
        }

        /* Commission Highlights / Service */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 24px;
        }
        .service-grid .service-card-main {
            grid-column: span 7;
        }
        .service-grid .service-card-side {
            grid-column: span 5;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        @media (max-width: 991.98px) {
            .service-grid .service-card-main,
            .service-grid .service-card-side {
                grid-column: span 12;
            }
            .service-grid .service-card-side {
                grid-template-columns: 1fr;
            }
        }

        .service-card-main-inner {
            background: #fff;
            border-radius: var(--douyu-radius-lg);
            padding: 32px;
            border: 1px solid var(--douyu-gray-border);
            box-shadow: var(--douyu-shadow-sm);
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .service-card-main-inner h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--douyu-text);
        }
        .service-card-main-inner p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--douyu-text-light);
            margin-bottom: 16px;
        }
        .service-card-main-inner .highlight-number {
            font-size: 48px;
            font-weight: 800;
            color: var(--douyu-orange);
            line-height: 1.1;
            margin-bottom: 8px;
        }

        /* Data metrics */
        .metrics-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .metric-card {
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: var(--douyu-radius-md);
            padding: 24px 20px;
            text-align: center;
            transition: var(--douyu-transition);
        }
        .metric-card:hover {
            background: rgba(255,255,255,0.1);
            border-color: var(--douyu-orange);
        }
        .metric-card .metric-value {
            font-size: 32px;
            font-weight: 800;
            color: var(--douyu-yellow);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .metric-card .metric-label {
            font-size: 14px;
            color: #B8C4CE;
            line-height: 1.5;
        }
        @media (max-width: 767.98px) {
            .metrics-row {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .metrics-row {
                grid-template-columns: 1fr;
            }
        }

        /* Hot list / Ranked items */
        .hot-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .hot-list-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: #fff;
            border: 1px solid var(--douyu-gray-border);
            border-radius: var(--douyu-radius-md);
            padding: 16px 20px;
            transition: var(--douyu-transition);
        }
        .hot-list-item:hover {
            border-color: rgba(255,106,20,0.35);
            box-shadow: var(--douyu-shadow-hover);
            transform: translateX(4px);
        }
        .hot-list-item .rank-num {
            font-size: 22px;
            font-weight: 800;
            color: var(--douyu-orange);
            width: 40px;
            text-align: center;
            flex-shrink: 0;
        }
        .hot-list-item .hot-cover {
            width: 72px;
            height: 48px;
            border-radius: 6px;
            overflow: hidden;
            flex-shrink: 0;
            background: #F0F2F5;
        }
        .hot-list-item .hot-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .hot-list-item .hot-info {
            flex: 1;
            min-width: 0;
        }
        .hot-list-item .hot-info h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 3px;
            color: var(--douyu-text);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .hot-list-item .hot-info p {
            font-size: 13px;
            color: var(--douyu-text-muted);
            margin: 0;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .hot-list-item .btn-douyu-sm {
            flex-shrink: 0;
        }
        @media (max-width: 576px) {
            .hot-list-item {
                flex-wrap: wrap;
            }
            .hot-list-item .hot-cover {
                width: 56px;
                height: 40px;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--douyu-dark);
            color: #B8C4CE;
            padding: 60px 0 0;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 36px;
            margin-bottom: 40px;
        }
        .site-footer .footer-brand {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .site-footer .footer-brand .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            background: var(--douyu-orange);
            color: #fff;
            border-radius: 6px;
            font-size: 12px;
        }
        .site-footer p {
            font-size: 13px;
            line-height: 1.7;
            color: #8B98A5;
            margin-bottom: 12px;
        }
        .site-footer h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-links li {
            margin-bottom: 8px;
        }
        .site-footer .footer-links a {
            font-size: 13px;
            color: #8B98A5;
            text-decoration: none;
            transition: var(--douyu-transition);
        }
        .site-footer .footer-links a:hover {
            color: var(--douyu-orange);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding: 18px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 12px;
            color: #6B7A87;
        }
        .site-footer .footer-bottom a {
            color: #6B7A87;
            text-decoration: none;
            transition: var(--douyu-transition);
        }
        .site-footer .footer-bottom a:hover {
            color: var(--douyu-orange);
        }
        @media (max-width: 991.98px) {
            .site-footer .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* FAQ */
        .faq-item {
            background: #fff;
            border: 1px solid var(--douyu-gray-border);
            border-radius: var(--douyu-radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            transition: var(--douyu-transition);
        }
        .faq-item:hover {
            border-color: rgba(255,106,20,0.3);
        }
        .faq-item .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            text-align: left;
            padding: 16px 20px;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 15px;
            font-weight: 600;
            color: var(--douyu-text);
        }
        .faq-item .faq-question::before {
            content: '';
            display: inline-block;
            width: 8px;
            height: 8px;
            background: var(--douyu-orange);
            border-radius: 50%;
            flex-shrink: 0;
        }
        .faq-item .faq-question .faq-icon {
            margin-left: auto;
            font-size: 14px;
            color: var(--douyu-text-muted);
            transition: var(--douyu-transition);
            flex-shrink: 0;
        }
        .faq-item.is-open .faq-question {
            background: var(--douyu-orange-light);
            color: var(--douyu-orange);
        }
        .faq-item.is-open .faq-icon {
            transform: rotate(180deg);
            color: var(--douyu-orange);
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, padding .35s ease;
            padding: 0 20px;
        }
        .faq-item.is-open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px 40px;
        }
        .faq-item .faq-answer p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--douyu-text-light);
            margin: 0;
        }

        /* News */
        .news-item {
            display: flex;
            gap: 18px;
            padding: 16px 0;
            border-bottom: 1px solid var(--douyu-gray-border);
            transition: var(--douyu-transition);
        }
        .news-item:hover {
            transform: translateX(4px);
        }
        .news-item:last-child {
            border-bottom: none;
        }
        .news-item .news-date {
            flex-shrink: 0;
            width: 70px;
            text-align: center;
            background: var(--douyu-gray-bg);
            border-radius: var(--douyu-radius-sm);
            padding: 8px 4px;
            font-size: 12px;
            color: var(--douyu-text-light);
            height: fit-content;
        }
        .news-item .news-date strong {
            display: block;
            font-size: 18px;
            color: var(--douyu-orange);
            font-weight: 700;
        }
        .news-item .news-content {
            flex: 1;
        }
        .news-item .news-content h3 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 4px;
            line-height: 1.4;
            color: var(--douyu-text);
        }
        .news-item .news-content p {
            font-size: 13px;
            line-height: 1.6;
            color: var(--douyu-text-muted);
            margin-bottom: 6px;
        }

        /* Floating CTA Bar */
        .floating-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            background: rgba(30,42,54,0.96);
            backdrop-filter: blur(8px);
            padding: 14px 0;
            transform: translateY(100%);
            transition: transform .4s ease;
            border-top: 1px solid rgba(255,255,255,0.08);
        }
        .floating-cta-bar.is-visible {
            transform: translateY(0);
        }
        .floating-cta-bar .cta-bar-inner {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .floating-cta-bar .cta-bar-text {
            flex: 1;
            min-width: 200px;
            color: #E8ECF0;
            font-size: 14px;
            line-height: 1.6;
        }
        .floating-cta-bar .cta-bar-text strong {
            color: var(--douyu-yellow);
        }
        @media (max-width: 576px) {
            .floating-cta-bar .cta-bar-inner {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
            .floating-cta-bar .cta-bar-text {
                min-width: auto;
                font-size: 13px;
            }
        }

        /* Topic tags */
        .topic-tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .topic-tag-cloud a {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 8px 16px;
            border: 1px solid var(--douyu-gray-border);
            border-radius: var(--douyu-radius-full);
            font-size: 13px;
            font-weight: 500;
            color: var(--douyu-text-light);
            text-decoration: none;
            transition: var(--douyu-transition);
            background: #fff;
        }
        .topic-tag-cloud a:hover {
            background: var(--douyu-orange);
            color: #fff;
            border-color: var(--douyu-orange);
            transform: translateY(-2px);
        }

        /* Brand intro */
        .brand-intro-block {
            background: #fff;
            border-radius: var(--douyu-radius-lg);
            padding: 36px;
            border: 1px solid var(--douyu-gray-border);
            box-shadow: var(--douyu-shadow-sm);
        }
        .brand-intro-block h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--douyu-text);
        }
        .brand-intro-block p {
            font-size: 15px;
            line-height: 1.85;
            color: var(--douyu-text-light);
            margin-bottom: 12px;
        }

        /* Form */
        .form-douyu .form-control {
            background: var(--douyu-gray-bg);
            border: 1px solid var(--douyu-gray-border);
            border-radius: var(--douyu-radius-sm);
            font-size: 14px;
            padding: 12px 16px;
            color: var(--douyu-text);
            transition: var(--douyu-transition);
        }
        .form-douyu .form-control:focus {
            border-color: var(--douyu-orange);
            box-shadow: 0 0 0 0.2rem rgba(255,106,20,0.25);
            background: #fff;
        }
        .form-douyu .form-control::placeholder {
            color: var(--douyu-text-muted);
        }
        .form-douyu .form-label {
            font-size: 14px;
            font-weight: 500;
            color: var(--douyu-text);
            margin-bottom: 6px;
        }

        /* Review / Praise */
        .review-card {
            background: #fff;
            border: 1px solid var(--douyu-gray-border);
            border-radius: var(--douyu-radius-md);
            padding: 24px;
            height: 100%;
            transition: var(--douyu-transition);
        }
        .review-card:hover {
            box-shadow: var(--douyu-shadow-hover);
            border-color: rgba(255,106,20,0.3);
            transform: translateY(-3px);
        }
        .review-card .review-quote {
            font-size: 14px;
            line-height: 1.75;
            color: var(--douyu-text-light);
            margin-bottom: 14px;
        }
        .review-card .review-author {
            font-size: 13px;
            font-weight: 600;
            color: var(--douyu-text);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .review-card .review-author .avatar-dot {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--douyu-orange-light);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--douyu-orange);
            font-size: 12px;
            font-weight: 700;
        }

        /* Deep content */
        .deep-content-block {
            background: #fff;
            border-radius: var(--douyu-radius-lg);
            border: 1px solid var(--douyu-gray-border);
            overflow: hidden;
            margin-bottom: 28px;
        }
        .deep-content-block .deep-content-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
        }
        @media (max-width: 767.98px) {
            .deep-content-block .deep-content-grid {
                grid-template-columns: 1fr;
            }
        }
        .deep-content-block .deep-content-text {
            padding: 32px;
        }
        .deep-content-block .deep-content-text h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--douyu-text);
        }
        .deep-content-block .deep-content-text p {
            font-size: 14px;
            line-height: 1.85;
            color: var(--douyu-text-light);
            margin-bottom: 10px;
        }
        .deep-content-block .deep-content-media {
            min-height: 300px;
            background: var(--douyu-gray-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }
        .deep-content-block .deep-content-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        @media (max-width: 576px) {
            .section {
                padding: 48px 0;
            }
            .section-lg {
                padding: 60px 0;
            }
            body {
                font-size: 14px;
                line-height: 1.75;
            }
            .section-title {
                font-size: 24px;
            }
            .btn-douyu {
                padding: 10px 18px;
                font-size: 14px;
            }
            .hero-flagship .hero-title {
                font-size: 30px;
            }
            .hero-flagship .hero-desc {
                font-size: 15px;
            }
            .deep-content-block .deep-content-text {
                padding: 20px;
            }
            .service-card-main-inner {
                padding: 20px;
            }
            .brand-intro-block {
                padding: 20px;
            }
        }

/* roulang page: category1 */
:root {
            --douyu-orange: #FF6A14;
            --douyu-orange-dark: #E55A0D;
            --douyu-orange-light: #FFF4ED;
            --douyu-dark: #1E2A36;
            --douyu-dark-2: #2B3948;
            --douyu-gray-bg: #F5F7FA;
            --douyu-gray-border: #E5E7EB;
            --douyu-text: #1E2A36;
            --douyu-text-light: #5A6B7B;
            --douyu-text-muted: #8B98A5;
            --douyu-aqua: #00B8A8;
            --douyu-aqua-light: #E6F9F7;
            --douyu-yellow: #FFC400;
            --douyu-radius-sm: 8px;
            --douyu-radius-md: 10px;
            --douyu-radius-lg: 16px;
            --douyu-radius-full: 999px;
            --douyu-shadow-sm: 0 4px 12px rgba(30, 42, 54, 0.06);
            --douyu-shadow-md: 0 8px 24px rgba(30, 42, 54, 0.09);
            --douyu-shadow-hover: 0 12px 28px rgba(255, 106, 20, 0.14);
            --douyu-transition: all .25s cubic-bezier(.4, 0, .2, 1);
            --douyu-nav-height: 64px;
            --douyu-container-max: 1240px;
            --douyu-gutter: 1.5rem;
        }
        html {
            scroll-behavior: smooth;
            -webkit-tap-highlight-color: transparent;
        }
        body {
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
            font-size: 15px;
            line-height: 1.85;
            color: var(--douyu-text);
            background-color: var(--douyu-gray-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--douyu-nav-height);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--douyu-orange);
            text-decoration: none;
            transition: var(--douyu-transition);
        }
        a:hover {
            color: var(--douyu-orange-dark);
        }
        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            transition: var(--douyu-transition);
        }
        button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--douyu-orange);
            outline-offset: 2px;
        }
        .section {
            padding: 72px 0;
        }
        .section-sm {
            padding: 52px 0;
        }
        .section-lg {
            padding: 92px 0;
        }
        .section-dark {
            background: var(--douyu-dark);
            color: #E8ECF0;
        }
        .section-white {
            background: #fff;
        }
        .section-gray {
            background: var(--douyu-gray-bg);
        }
        .section-orange-light {
            background: var(--douyu-orange-light);
        }
        .container-custom {
            max-width: var(--douyu-container-max);
            margin: 0 auto;
            padding-left: clamp(24px, 3vw, 40px);
            padding-right: clamp(24px, 3vw, 40px);
        }
        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .06em;
            text-transform: uppercase;
            color: var(--douyu-orange);
            margin-bottom: 12px;
        }
        .eyebrow::before {
            content: '';
            display: inline-block;
            width: 20px;
            height: 2px;
            background: var(--douyu-orange);
            border-radius: 2px;
        }
        .eyebrow.is-centered::after {
            content: '';
            display: inline-block;
            width: 20px;
            height: 2px;
            background: var(--douyu-orange);
            border-radius: 2px;
        }
        .section-title {
            font-size: clamp(26px, 3vw, 34px);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
            color: var(--douyu-text);
        }
        .section-subtitle {
            font-size: 16px;
            line-height: 1.75;
            color: var(--douyu-text-light);
            margin-bottom: 36px;
            max-width: 700px;
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-dark .section-subtitle {
            color: #B8C4CE;
        }
        .text-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }
        .btn-douyu {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--douyu-radius-full);
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            border: none;
            cursor: pointer;
            transition: var(--douyu-transition);
            text-align: center;
            white-space: nowrap;
        }
        .btn-douyu-primary {
            background: var(--douyu-orange);
            color: #fff;
            box-shadow: 0 4px 16px rgba(255, 106, 20, 0.35);
        }
        .btn-douyu-primary:hover {
            background: var(--douyu-orange-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 106, 20, 0.45);
        }
        .btn-douyu-primary:active {
            transform: translateY(0);
        }
        .btn-douyu-outline {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.55);
        }
        .btn-douyu-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border-color: #fff;
        }
        .btn-douyu-outline-dark {
            background: transparent;
            color: var(--douyu-text);
            border: 1.5px solid var(--douyu-gray-border);
        }
        .btn-douyu-outline-dark:hover {
            border-color: var(--douyu-orange);
            color: var(--douyu-orange);
            background: var(--douyu-orange-light);
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--douyu-nav-height);
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--douyu-gray-border);
            z-index: 1000;
            transition: var(--douyu-transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(30, 42, 54, 0.08);
        }
        .navbar-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            height: var(--douyu-nav-height);
        }
        .navbar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 18px;
            color: var(--douyu-text);
            letter-spacing: 0;
            white-space: nowrap;
        }
        .navbar-logo:hover {
            color: var(--douyu-orange);
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--douyu-orange), var(--douyu-orange-dark));
            border-radius: 8px;
            color: #fff;
            font-size: 14px;
        }
        .logo-highlight {
            color: var(--douyu-orange);
        }
        .navbar-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .navbar-links li a {
            display: block;
            padding: 8px 12px;
            font-size: 14px;
            font-weight: 500;
            color: var(--douyu-text);
            border-radius: var(--douyu-radius-full);
            white-space: nowrap;
        }
        .navbar-links li a:hover {
            color: var(--douyu-orange);
            background: var(--douyu-orange-light);
        }
        .navbar-links li a.active {
            color: var(--douyu-orange);
            background: var(--douyu-orange-light);
            font-weight: 600;
        }
        .navbar-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            background: var(--douyu-gray-bg);
            border: 1px solid var(--douyu-gray-border);
            border-radius: var(--douyu-radius-full);
            min-width: 200px;
            max-width: 260px;
        }
        .search-icon {
            color: var(--douyu-text-muted);
            font-size: 13px;
        }
        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 13px;
            color: var(--douyu-text);
            width: 100%;
            padding: 0;
        }
        .search-box input::placeholder {
            color: var(--douyu-text-muted);
        }
        .btn-go-live {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            background: var(--douyu-orange);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            border-radius: var(--douyu-radius-full);
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(255, 106, 20, 0.3);
        }
        .btn-go-live:hover {
            background: var(--douyu-orange-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(255, 106, 20, 0.4);
        }
        .btn-nav-trigger {
            display: none;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: transparent;
            border: 1px solid var(--douyu-gray-border);
            border-radius: var(--douyu-radius-sm);
            color: var(--douyu-text);
            cursor: pointer;
            font-size: 16px;
        }
        .btn-nav-trigger:hover {
            color: var(--douyu-orange);
            border-color: var(--douyu-orange);
        }
        .mobile-overlay {
            display: none;
            position: fixed;
            top: var(--douyu-nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(30, 42, 54, 0.4);
            z-index: 999;
        }
        .mobile-drawer {
            position: fixed;
            top: var(--douyu-nav-height);
            right: 0;
            width: 280px;
            max-width: 85vw;
            bottom: 0;
            background: #fff;
            z-index: 1001;
            padding: 20px;
            transform: translateX(100%);
            transition: transform .3s cubic-bezier(.4, 0, .2, 1);
            overflow-y: auto;
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        .mobile-drawer ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .mobile-drawer li a {
            display: block;
            padding: 12px 8px;
            font-size: 15px;
            font-weight: 500;
            color: var(--douyu-text);
            border-bottom: 1px solid var(--douyu-gray-border);
        }
        .mobile-drawer li a.active {
            color: var(--douyu-orange);
        }
        .breadcrumb-douyu {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--douyu-text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb-douyu a {
            color: var(--douyu-text-muted);
        }
        .breadcrumb-douyu a:hover {
            color: var(--douyu-orange);
        }
        .breadcrumb-douyu .separator {
            color: var(--douyu-gray-border);
        }
        .breadcrumb-douyu .current {
            color: var(--douyu-orange);
            font-weight: 500;
        }
        .hero-section {
            position: relative;
            min-height: 78vh;
            display: flex;
            align-items: center;
            padding: 80px 0 100px;
            background: var(--douyu-dark);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            color: #fff;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(30, 42, 54, 0.92) 0%, rgba(30, 42, 54, 0.7) 50%, rgba(30, 42, 54, 0.85) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
        }
        .hero-title {
            font-size: clamp(30px, 4.5vw, 44px);
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
            color: #fff;
        }
        .hero-title em {
            font-style: normal;
            color: var(--douyu-orange);
        }
        .hero-description {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.88);
            margin-bottom: 28px;
            max-width: 560px;
        }
        .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }
        .hero-reward-panel {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: var(--douyu-radius-lg);
            padding: 24px 28px;
            max-width: 560px;
        }
        .reward-panel-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 12px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
        }
        .reward-panel-header strong {
            font-size: 16px;
            color: #fff;
        }
        .progress {
            height: 10px;
            background: rgba(255, 255, 255, 0.15);
            border-radius: var(--douyu-radius-full);
            overflow: hidden;
            margin-bottom: 16px;
        }
        .progress-bar {
            background: linear-gradient(90deg, var(--douyu-orange), var(--douyu-yellow));
            border-radius: var(--douyu-radius-full);
            transition: width 1s ease;
        }
        .reward-tiers {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
        }
        .reward-tier {
            display: flex;
            flex-direction: column;
            gap: 4px;
            padding: 12px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--douyu-radius-sm);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.8);
        }
        .reward-tier strong {
            font-size: 15px;
            color: #fff;
        }
        .reward-tier .tier-icon {
            font-size: 20px;
            margin-bottom: 4px;
        }
        .hero-visual-panel {
            position: relative;
            z-index: 2;
            background: rgba(255, 255, 255, 0.07);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--douyu-radius-lg);
            padding: 28px;
        }
        .hero-visual-panel img {
            border-radius: var(--douyu-radius-md);
            width: 100%;
            object-fit: cover;
            aspect-ratio: 16/10;
        }
        .hero-visual-panel .floating-badge {
            position: absolute;
            top: -12px;
            right: 20px;
            background: var(--douyu-orange);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: var(--douyu-radius-full);
            box-shadow: 0 4px 16px rgba(255, 106, 20, 0.4);
        }
        .card-douyu {
            background: #fff;
            border: 1px solid var(--douyu-gray-border);
            border-radius: var(--douyu-radius-md);
            box-shadow: var(--douyu-shadow-sm);
            transition: var(--douyu-transition);
            overflow: hidden;
            height: 100%;
        }
        .card-douyu:hover {
            transform: translateY(-4px);
            box-shadow: var(--douyu-shadow-hover);
            border-color: rgba(255, 106, 20, 0.3);
        }
        .card-cover {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--douyu-gray-bg);
        }
        .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .card-douyu:hover .card-cover img {
            transform: scale(1.03);
        }
        .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--douyu-orange);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--douyu-radius-full);
            z-index: 2;
        }
        .card-badge.is-aqua {
            background: var(--douyu-aqua);
        }
        .card-badge.is-yellow {
            background: #C68A00;
        }
        .card-body {
            padding: 18px 20px 20px;
        }
        .card-date {
            font-size: 12px;
            color: var(--douyu-text-muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .card-title {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--douyu-text);
        }
        .card-title a {
            color: var(--douyu-text);
        }
        .card-title a:hover {
            color: var(--douyu-orange);
        }
        .card-excerpt {
            font-size: 14px;
            line-height: 1.7;
            color: var(--douyu-text-light);
            margin-bottom: 14px;
        }
        .card-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--douyu-orange);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .card-link:hover {
            gap: 8px;
            color: var(--douyu-orange-dark);
        }
        .feature-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 20px;
            background: #fff;
            border: 1px solid var(--douyu-gray-border);
            border-radius: var(--douyu-radius-md);
            transition: var(--douyu-transition);
            height: 100%;
        }
        .feature-item:hover {
            border-color: rgba(255, 106, 20, 0.3);
            box-shadow: var(--douyu-shadow-sm);
        }
        .feature-icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--douyu-orange-light);
            color: var(--douyu-orange);
            border-radius: var(--douyu-radius-sm);
            font-size: 18px;
        }
        .feature-icon.is-aqua {
            background: var(--douyu-aqua-light);
            color: var(--douyu-aqua);
        }
        .feature-icon.is-yellow {
            background: #FFF8E6;
            color: #C68A00;
        }
        .feature-icon.is-dark {
            background: var(--douyu-dark);
            color: #fff;
        }
        .feature-item h5 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--douyu-text);
        }
        .feature-item p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--douyu-text-light);
            margin-bottom: 0;
        }
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .stat-block {
            text-align: center;
            padding: 24px 16px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--douyu-radius-md);
        }
        .stat-block .stat-number {
            font-size: 30px;
            font-weight: 700;
            color: var(--douyu-orange);
            margin-bottom: 4px;
            line-height: 1.2;
        }
        .stat-block .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
        }
        .step-list {
            list-style: none;
            padding: 0;
            margin: 0;
            counter-reset: step-counter;
        }
        .step-list li {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            padding: 18px 0;
            border-bottom: 1px solid var(--douyu-gray-border);
            counter-increment: step-counter;
        }
        .step-list li:last-child {
            border-bottom: none;
        }
        .step-number {
            flex-shrink: 0;
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--douyu-orange);
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            border-radius: var(--douyu-radius-full);
            margin-top: 2px;
        }
        .step-content h6 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--douyu-text);
        }
        .step-content p {
            font-size: 14px;
            color: var(--douyu-text-light);
            margin-bottom: 0;
            line-height: 1.75;
        }
        .accordion-douyu .accordion-item {
            background: #fff;
            border: 1px solid var(--douyu-gray-border);
            border-radius: var(--douyu-radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
        }
        .accordion-douyu .accordion-button {
            background: #fff;
            padding: 16px 20px;
            font-weight: 600;
            font-size: 15px;
            color: var(--douyu-text);
            border: none;
            box-shadow: none !important;
            display: flex;
            align-items: center;
            gap: 10px;
            border-radius: var(--douyu-radius-md) !important;
        }
        .accordion-douyu .accordion-button:not(.collapsed) {
            background: var(--douyu-orange-light);
            color: var(--douyu-orange);
        }
        .accordion-douyu .accordion-button::before {
            content: '';
            flex-shrink: 0;
            width: 8px;
            height: 8px;
            background: var(--douyu-orange);
            border-radius: 50%;
        }
        .accordion-douyu .accordion-button:not(.collapsed)::before {
            background: var(--douyu-orange-dark);
        }
        .accordion-douyu .accordion-button:focus {
            outline: 2px solid var(--douyu-orange);
            outline-offset: 2px;
        }
        .accordion-douyu .accordion-body {
            background: #fff;
            padding: 16px 20px 20px 38px;
            font-size: 14px;
            line-height: 1.8;
            color: var(--douyu-text-light);
        }
        .cta-box {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            padding: 48px 32px;
            background: #fff;
            border: 2px solid rgba(255, 106, 20, 0.25);
            border-radius: var(--douyu-radius-lg);
            box-shadow: var(--douyu-shadow-md);
        }
        .cta-box .cta-icon {
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--douyu-orange-light);
            color: var(--douyu-orange);
            border-radius: var(--douyu-radius-full);
            font-size: 22px;
            margin-bottom: 16px;
        }
        .cta-box h4 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--douyu-text);
        }
        .cta-box p {
            font-size: 15px;
            color: var(--douyu-text-light);
            max-width: 520px;
            margin-bottom: 20px;
        }
        .cta-box .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .site-footer {
            background: var(--douyu-dark);
            color: #B8C4CE;
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 40px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand .logo-icon {
            width: 28px;
            height: 28px;
            font-size: 12px;
        }
        .site-footer p {
            color: #8B98A5;
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 0;
        }
        .site-footer h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            color: #8B98A5;
            font-size: 14px;
        }
        .footer-links a:hover {
            color: var(--douyu-orange);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 12px;
            color: #6B7A87;
            flex-wrap: wrap;
            gap: 8px;
        }
        .footer-bottom a {
            color: #6B7A87;
        }
        .footer-bottom a:hover {
            color: var(--douyu-orange);
        }
        .promo-strip {
            background: linear-gradient(90deg, var(--douyu-orange), #FF8A3D);
            color: #fff;
            padding: 14px 0;
            font-size: 14px;
            font-weight: 500;
            text-align: center;
            letter-spacing: .02em;
        }
        @media (max-width: 1024px) {
            .navbar-links {
                gap: 0;
            }
            .navbar-links li a {
                padding: 8px 8px;
                font-size: 13px;
            }
            .search-box {
                min-width: 140px;
                max-width: 180px;
            }
            .btn-go-live span {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .navbar-links {
                display: none;
            }
            .btn-nav-trigger {
                display: flex;
            }
            .search-box {
                display: none;
            }
            .btn-go-live {
                padding: 9px 12px;
                font-size: 12px;
            }
            .btn-go-live i {
                margin-right: 0;
            }
            .btn-go-live span {
                display: none;
            }
            .section {
                padding: 48px 0;
            }
            .section-lg {
                padding: 60px 0;
            }
            .hero-section {
                min-height: auto;
                padding: 60px 0 80px;
            }
            .hero-visual-panel {
                margin-top: 24px;
            }
            .reward-tiers {
                grid-template-columns: 1fr;
                gap: 8px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-block .stat-number {
                font-size: 24px;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 26px;
            }
            .hero-description {
                font-size: 15px;
            }
            .hero-cta-group {
                flex-direction: column;
            }
            .btn-douyu {
                padding: 10px 20px;
                font-size: 14px;
                width: 100%;
            }
            .stats-row {
                grid-template-columns: 1fr;
            }
            .step-list li {
                gap: 12px;
            }
            .step-number {
                width: 32px;
                height: 32px;
                font-size: 13px;
            }
            .card-body {
                padding: 14px 16px 16px;
            }
            .section-title {
                font-size: 24px;
            }
        }

/* roulang page: category2 */
:root {
            --douyu-orange: #FF6A14;
            --douyu-orange-dark: #E55A0D;
            --douyu-orange-light: #FFF4ED;
            --douyu-dark: #1E2A36;
            --douyu-dark-2: #2B3948;
            --douyu-gray-bg: #F5F7FA;
            --douyu-gray-border: #E5E7EB;
            --douyu-text: #1E2A36;
            --douyu-text-light: #5A6B7B;
            --douyu-text-muted: #8B98A5;
            --douyu-aqua: #00B8A8;
            --douyu-aqua-light: #E6F9F7;
            --douyu-yellow: #FFC400;
            --douyu-radius-sm: 8px;
            --douyu-radius-md: 10px;
            --douyu-radius-lg: 16px;
            --douyu-radius-full: 999px;
            --douyu-shadow-sm: 0 4px 12px rgba(30, 42, 54, 0.06);
            --douyu-shadow-md: 0 8px 24px rgba(30, 42, 54, 0.09);
            --douyu-shadow-hover: 0 12px 28px rgba(255, 106, 20, 0.14);
            --douyu-transition: all .25s cubic-bezier(.4, 0, .2, 1);
            --douyu-nav-height: 64px;
            --douyu-container-max: 1240px;
            --douyu-gutter: 1.5rem;
        }

        html {
            scroll-behavior: smooth;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
            font-size: 15px;
            line-height: 1.85;
            color: var(--douyu-text);
            background-color: var(--douyu-gray-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--douyu-nav-height);
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--douyu-orange);
            text-decoration: none;
            transition: var(--douyu-transition);
        }

        a:hover {
            color: var(--douyu-orange-dark);
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            transition: var(--douyu-transition);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--douyu-orange);
            outline-offset: 2px;
        }

        * {
            box-sizing: border-box;
        }

        .section {
            padding: 72px 0;
        }
        .section-sm {
            padding: 52px 0;
        }
        .section-lg {
            padding: 92px 0;
        }
        .section-dark {
            background: var(--douyu-dark);
            color: #E8ECF0;
        }
        .section-white {
            background: #fff;
        }
        .section-gray {
            background: var(--douyu-gray-bg);
        }
        .section-orange-light {
            background: var(--douyu-orange-light);
        }

        .container-custom {
            max-width: var(--douyu-container-max);
            margin: 0 auto;
            padding-left: clamp(24px, 3vw, 40px);
            padding-right: clamp(24px, 3vw, 40px);
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .06em;
            text-transform: uppercase;
            color: var(--douyu-orange);
            margin-bottom: 12px;
        }
        .eyebrow::before {
            content: '';
            display: inline-block;
            width: 20px;
            height: 2px;
            background: var(--douyu-orange);
            border-radius: 2px;
        }
        .eyebrow.is-centered::after {
            content: '';
            display: inline-block;
            width: 20px;
            height: 2px;
            background: var(--douyu-orange);
            border-radius: 2px;
        }

        .section-title {
            font-size: clamp(26px, 3vw, 34px);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
            color: var(--douyu-text);
        }
        .section-subtitle {
            font-size: 16px;
            line-height: 1.75;
            color: var(--douyu-text-light);
            margin-bottom: 36px;
            max-width: 700px;
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-dark .section-subtitle {
            color: #B8C4CE;
        }
        .text-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        .btn-douyu {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--douyu-radius-full);
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            border: none;
            cursor: pointer;
            transition: var(--douyu-transition);
            text-align: center;
            white-space: nowrap;
        }
        .btn-douyu-primary {
            background: var(--douyu-orange);
            color: #fff;
            box-shadow: 0 4px 16px rgba(255, 106, 20, 0.35);
        }
        .btn-douyu-primary:hover {
            background: var(--douyu-orange-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 106, 20, 0.45);
        }
        .btn-douyu-primary:active {
            transform: translateY(0);
        }
        .btn-douyu-outline {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.55);
        }
        .btn-douyu-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border-color: #fff;
        }
        .btn-douyu-outline-dark {
            background: transparent;
            color: var(--douyu-text);
            border: 1.5px solid var(--douyu-gray-border);
        }
        .btn-douyu-outline-dark:hover {
            border-color: var(--douyu-orange);
            color: var(--douyu-orange);
            background: var(--douyu-orange-light);
        }

        /* ===== 导航样式 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--douyu-nav-height);
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            z-index: 1050;
            border-bottom: 1px solid var(--douyu-gray-border);
            transition: var(--douyu-transition);
        }
        .site-header.is-scrolled {
            box-shadow: 0 4px 16px rgba(30, 42, 54, 0.08);
        }
        .navbar-custom {
            display: flex;
            align-items: center;
            gap: 20px;
            height: var(--douyu-nav-height);
        }
        .navbar-logo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 20px;
            color: var(--douyu-text);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .navbar-logo:hover {
            color: var(--douyu-text);
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--douyu-orange);
            color: #fff;
            border-radius: 8px;
            font-size: 16px;
        }
        .logo-text {
            display: inline-flex;
            align-items: center;
        }
        .logo-highlight {
            color: var(--douyu-orange);
        }
        .navbar-links {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 4px;
            flex: 1;
            flex-wrap: wrap;
            max-width: 580px;
        }
        .navbar-links li {
            margin: 0;
        }
        .navbar-links li a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--douyu-text-light);
            border-radius: var(--douyu-radius-full);
            white-space: nowrap;
            position: relative;
        }
        .navbar-links li a:hover {
            color: var(--douyu-orange);
            background: var(--douyu-orange-light);
        }
        .navbar-links li a.active {
            color: #fff;
            background: var(--douyu-orange);
        }
        .navbar-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .search-box {
            display: flex;
            align-items: center;
            gap: 6px;
            background: var(--douyu-gray-bg);
            border: 1px solid var(--douyu-gray-border);
            border-radius: var(--douyu-radius-full);
            padding: 6px 14px;
            min-width: 180px;
        }
        .search-box .search-icon {
            color: var(--douyu-text-muted);
            font-size: 13px;
        }
        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 13px;
            color: var(--douyu-text);
            width: 100%;
            min-width: 0;
        }
        .search-box input::placeholder {
            color: var(--douyu-text-muted);
        }
        .search-box:focus-within {
            border-color: var(--douyu-orange);
            box-shadow: 0 0 0 0.2rem rgba(255, 106, 20, 0.15);
        }
        .btn-go-live {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            background: var(--douyu-orange);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--douyu-radius-full);
            border: none;
            cursor: pointer;
            white-space: nowrap;
            transition: var(--douyu-transition);
        }
        .btn-go-live:hover {
            background: var(--douyu-orange-dark);
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-nav-trigger {
            display: none;
            background: none;
            border: none;
            font-size: 20px;
            color: var(--douyu-text);
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
        }
        .btn-nav-trigger:hover {
            background: var(--douyu-gray-bg);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-bar {
            background: transparent;
            padding: 0;
            margin: 0;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--douyu-text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb-bar a {
            color: var(--douyu-text-muted);
        }
        .breadcrumb-bar a:hover {
            color: var(--douyu-orange);
        }
        .breadcrumb-sep {
            color: var(--douyu-text-muted);
            font-size: 11px;
        }

        /* ===== 分类Hero（优惠券墙风格） ===== */
        .category-hero {
            position: relative;
            background: var(--douyu-dark);
            background-image: linear-gradient(135deg, #1E2A36 0%, #2B3948 55%, #1E2A36 100%);
            color: #fff;
            padding: 60px 0 80px;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 106, 20, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 184, 168, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero .container-custom {
            position: relative;
            z-index: 2;
        }
        .hero-breadcrumb {
            margin-bottom: 18px;
        }
        .hero-breadcrumb .breadcrumb-bar {
            color: #B8C4CE;
        }
        .hero-breadcrumb .breadcrumb-bar a {
            color: #B8C4CE;
        }
        .hero-breadcrumb .breadcrumb-bar a:hover {
            color: var(--douyu-orange);
        }
        .hero-breadcrumb .breadcrumb-sep {
            color: #6B7A87;
        }
        .hero-title {
            font-size: clamp(32px, 4vw, 44px);
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 16px;
            color: #fff;
        }
        .hero-title span {
            color: var(--douyu-orange);
        }
        .hero-desc {
            font-size: 16px;
            line-height: 1.8;
            color: #C5D0D8;
            max-width: 680px;
            margin-bottom: 28px;
        }
        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* 优惠券墙 */
        .coupon-wall {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            grid-template-rows: auto auto;
            gap: 16px;
            margin-top: 40px;
        }
        .coupon-card {
            background: #fff;
            border-radius: var(--douyu-radius-lg);
            overflow: hidden;
            box-shadow: var(--douyu-shadow-md);
            transition: var(--douyu-transition);
            cursor: pointer;
            border: 2px solid transparent;
            position: relative;
        }
        .coupon-card:hover {
            transform: translateY(-4px);
            border-color: var(--douyu-orange);
            box-shadow: var(--douyu-shadow-hover);
        }
        .coupon-card-main {
            grid-row: span 2;
            display: flex;
            flex-direction: column;
            border: 2px solid var(--douyu-orange);
            box-shadow: 0 12px 32px rgba(255, 106, 20, 0.3);
        }
        .coupon-card-main:hover {
            border-color: var(--douyu-orange-dark);
            box-shadow: 0 16px 40px rgba(255, 106, 20, 0.4);
        }
        .coupon-card-img {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--douyu-gray-bg);
        }
        .coupon-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .coupon-card:hover .coupon-card-img img {
            transform: scale(1.04);
        }
        .coupon-card-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            background: var(--douyu-orange);
            color: #fff;
            font-size: 11px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: var(--douyu-radius-full);
            letter-spacing: .03em;
        }
        .coupon-card-badge.is-aqua {
            background: var(--douyu-aqua);
        }
        .coupon-card-badge.is-yellow {
            background: var(--douyu-yellow);
            color: var(--douyu-dark);
        }
        .coupon-card-body {
            padding: 16px 18px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .coupon-card-main .coupon-card-body {
            padding: 20px 24px 24px;
        }
        .coupon-card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--douyu-text);
            margin-bottom: 6px;
            line-height: 1.35;
        }
        .coupon-card-main .coupon-card-title {
            font-size: 22px;
        }
        .coupon-card-desc {
            font-size: 14px;
            color: var(--douyu-text-light);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
        }
        .coupon-card-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--douyu-orange);
            background: none;
            border: none;
            padding: 0;
            cursor: pointer;
        }
        .coupon-card-cta:hover {
            color: var(--douyu-orange-dark);
        }

        /* ===== 标签 ===== */
        .tag-chip {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 500;
            border-radius: var(--douyu-radius-full);
            background: var(--douyu-orange-light);
            color: var(--douyu-orange);
        }
        .tag-chip.is-aqua {
            background: var(--douyu-aqua-light);
            color: #009B8E;
        }
        .tag-chip.is-yellow {
            background: #FFF8E1;
            color: #B8860B;
        }
        .tag-chip.is-gray {
            background: var(--douyu-gray-bg);
            color: var(--douyu-text-light);
        }

        /* ===== 主播卡片列表 ===== */
        .streamer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .streamer-card {
            background: #fff;
            border-radius: var(--douyu-radius-md);
            overflow: hidden;
            border: 1px solid var(--douyu-gray-border);
            box-shadow: var(--douyu-shadow-sm);
            transition: var(--douyu-transition);
            display: flex;
            flex-direction: column;
        }
        .streamer-card:hover {
            transform: translateY(-4px);
            border-color: var(--douyu-orange);
            box-shadow: var(--douyu-shadow-hover);
        }
        .streamer-card-img {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--douyu-gray-bg);
        }
        .streamer-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .streamer-card:hover .streamer-card-img img {
            transform: scale(1.04);
        }
        .streamer-card-img .badge-overlay {
            position: absolute;
            bottom: 10px;
            left: 10px;
        }
        .streamer-card-body {
            padding: 16px 18px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .streamer-card-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            color: var(--douyu-text-muted);
            margin-bottom: 6px;
        }
        .streamer-card-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--douyu-text);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .streamer-card-desc {
            font-size: 14px;
            color: var(--douyu-text-light);
            line-height: 1.7;
            margin-bottom: 12px;
            flex: 1;
            min-height: 72px;
        }
        .streamer-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--douyu-orange);
        }
        .streamer-card-link:hover {
            color: var(--douyu-orange-dark);
        }

        /* ===== 数据统计 ===== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-block {
            background: #fff;
            border-radius: var(--douyu-radius-md);
            padding: 24px 20px;
            text-align: center;
            border: 1px solid var(--douyu-gray-border);
            box-shadow: var(--douyu-shadow-sm);
            transition: var(--douyu-transition);
        }
        .stat-block:hover {
            border-color: var(--douyu-orange);
            box-shadow: var(--douyu-shadow-hover);
        }
        .stat-number {
            font-size: clamp(28px, 3vw, 38px);
            font-weight: 700;
            color: var(--douyu-orange);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 14px;
            color: var(--douyu-text-light);
        }

        /* ===== 流程步骤 ===== */
        .steps-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .step-item {
            background: #fff;
            border-radius: var(--douyu-radius-md);
            padding: 24px 20px;
            border: 1px solid var(--douyu-gray-border);
            box-shadow: var(--douyu-shadow-sm);
            transition: var(--douyu-transition);
            position: relative;
        }
        .step-item:hover {
            border-color: var(--douyu-orange);
            box-shadow: var(--douyu-shadow-hover);
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--douyu-orange);
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            border-radius: 50%;
            margin-bottom: 12px;
        }
        .step-item h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--douyu-text);
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 14px;
            color: var(--douyu-text-light);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== 深度内容区 ===== */
        .depth-block {
            background: #fff;
            border-radius: var(--douyu-radius-lg);
            padding: 36px 32px;
            border: 1px solid var(--douyu-gray-border);
            box-shadow: var(--douyu-shadow-sm);
            margin-bottom: 24px;
        }
        .depth-block h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--douyu-text);
            margin-bottom: 12px;
        }
        .depth-block p {
            font-size: 15px;
            color: var(--douyu-text-light);
            line-height: 1.9;
            margin-bottom: 16px;
        }
        .depth-block p:last-child {
            margin-bottom: 0;
        }
        .depth-block .depth-img {
            border-radius: var(--douyu-radius-md);
            overflow: hidden;
            margin: 16px 0;
            aspect-ratio: 16/7;
        }
        .depth-block .depth-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--douyu-radius-md);
            margin-bottom: 10px;
            border: 1px solid var(--douyu-gray-border);
            overflow: hidden;
            transition: var(--douyu-transition);
        }
        .faq-item.is-open {
            background: var(--douyu-orange-light);
            border-color: var(--douyu-orange);
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--douyu-text);
            user-select: none;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
        }
        .faq-question::before {
            content: '';
            width: 8px;
            height: 8px;
            background: var(--douyu-orange);
            border-radius: 50%;
            flex-shrink: 0;
        }
        .faq-answer {
            padding: 0 20px 18px 38px;
            font-size: 14px;
            color: var(--douyu-text-light);
            line-height: 1.75;
            display: none;
        }
        .faq-item.is-open .faq-answer {
            display: block;
        }
        .faq-item.is-open .faq-question {
            color: var(--douyu-orange);
        }

        /* ===== CTA区域 ===== */
        .cta-panel {
            background: var(--douyu-dark);
            background-image: linear-gradient(135deg, #1E2A36 0%, #2B3948 60%, #1E2A36 100%);
            border-radius: var(--douyu-radius-lg);
            padding: 48px 40px;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .cta-panel h2 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }
        .cta-panel p {
            font-size: 15px;
            color: #C5D0D8;
            margin-bottom: 0;
            max-width: 500px;
        }
        .cta-panel .btn-douyu-primary {
            flex-shrink: 0;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--douyu-dark);
            color: #B8C4CE;
            padding: 52px 0 0;
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid #3A4A5A;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand .logo-icon {
            width: 28px;
            height: 28px;
            font-size: 14px;
            border-radius: 6px;
        }
        .site-footer h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }
        .site-footer p {
            color: #8B98A5;
            font-size: 13px;
            line-height: 1.7;
            margin-bottom: 8px;
        }
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            color: #8B98A5;
            font-size: 13px;
        }
        .footer-links a:hover {
            color: var(--douyu-orange);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding: 16px 0 20px;
            font-size: 12px;
            color: #6B7A87;
        }
        .footer-bottom a {
            color: #6B7A87;
            font-size: 12px;
        }
        .footer-bottom a:hover {
            color: var(--douyu-orange);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .streamer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .coupon-wall {
                grid-template-columns: 1fr 1fr;
                grid-template-rows: auto;
            }
            .coupon-card-main {
                grid-column: span 2;
                grid-row: auto;
            }
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .navbar-links {
                display: none;
                position: absolute;
                top: var(--douyu-nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 12px 16px;
                border-bottom: 1px solid var(--douyu-gray-border);
                box-shadow: var(--douyu-shadow-md);
                max-width: none;
                z-index: 1050;
            }
            .navbar-links.is-open {
                display: flex;
            }
            .navbar-links li a {
                padding: 10px 14px;
                display: block;
                border-radius: 8px;
            }
            .btn-nav-trigger {
                display: inline-flex;
            }
            .search-box {
                display: none;
            }
            .btn-go-live {
                padding: 8px 12px;
                font-size: 13px;
            }
            .section {
                padding: 48px 0;
            }
            .section-lg {
                padding: 60px 0;
            }
            .steps-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .coupon-wall {
                grid-template-columns: 1fr;
            }
            .coupon-card-main {
                grid-column: auto;
            }
            .cta-panel {
                flex-direction: column;
                text-align: center;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            :root {
                --douyu-nav-height: 58px;
            }
            body {
                font-size: 14px;
                line-height: 1.8;
            }
            .navbar-logo {
                font-size: 17px;
            }
            .btn-go-live {
                padding: 6px 10px;
                font-size: 12px;
            }
            .hero-title {
                font-size: 28px;
            }
            .streamer-grid {
                grid-template-columns: 1fr;
            }
            .steps-row {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .depth-block {
                padding: 24px 18px;
            }
            .cta-panel {
                padding: 32px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .coupon-card-body {
                padding: 14px 16px 16px;
            }
            .coupon-card-main .coupon-card-body {
                padding: 18px 18px 20px;
            }
        }

/* roulang page: category3 */
:root {
            --douyu-orange: #FF6A14;
            --douyu-orange-dark: #E55A0D;
            --douyu-orange-light: #FFF4ED;
            --douyu-dark: #1E2A36;
            --douyu-dark-2: #2B3948;
            --douyu-gray-bg: #F5F7FA;
            --douyu-gray-border: #E5E7EB;
            --douyu-text: #1E2A36;
            --douyu-text-light: #5A6B7B;
            --douyu-text-muted: #8B98A5;
            --douyu-aqua: #00B8A8;
            --douyu-aqua-light: #E6F9F7;
            --douyu-yellow: #FFC400;
            --douyu-radius-sm: 8px;
            --douyu-radius-md: 10px;
            --douyu-radius-lg: 16px;
            --douyu-radius-full: 999px;
            --douyu-shadow-sm: 0 4px 12px rgba(30,42,54,0.06);
            --douyu-shadow-md: 0 8px 24px rgba(30,42,54,0.09);
            --douyu-shadow-hover: 0 12px 28px rgba(255,106,20,0.14);
            --douyu-transition: all .25s cubic-bezier(.4,0,.2,1);
            --douyu-nav-height: 64px;
            --douyu-container-max: 1240px;
            --douyu-gutter: 1.5rem;
        }
        html {
            scroll-behavior: smooth;
            -webkit-tap-highlight-color: transparent;
        }
        body {
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
            font-size: 15px;
            line-height: 1.85;
            color: var(--douyu-text);
            background-color: var(--douyu-gray-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--douyu-nav-height);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--douyu-orange);
            text-decoration: none;
            transition: var(--douyu-transition);
        }
        a:hover {
            color: var(--douyu-orange-dark);
        }
        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            transition: var(--douyu-transition);
        }
        button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--douyu-orange);
            outline-offset: 2px;
        }
        .section {
            padding: 72px 0;
        }
        .section-sm {
            padding: 52px 0;
        }
        .section-lg {
            padding: 92px 0;
        }
        .section-dark {
            background: var(--douyu-dark);
            color: #E8ECF0;
        }
        .section-white {
            background: #fff;
        }
        .section-gray {
            background: var(--douyu-gray-bg);
        }
        .section-orange-light {
            background: var(--douyu-orange-light);
        }
        .container-custom {
            max-width: var(--douyu-container-max);
            margin: 0 auto;
            padding-left: clamp(24px, 3vw, 40px);
            padding-right: clamp(24px, 3vw, 40px);
        }
        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .06em;
            text-transform: uppercase;
            color: var(--douyu-orange);
            margin-bottom: 12px;
        }
        .eyebrow::before {
            content: '';
            display: inline-block;
            width: 20px;
            height: 2px;
            background: var(--douyu-orange);
            border-radius: 2px;
        }
        .eyebrow.is-centered::after {
            content: '';
            display: inline-block;
            width: 20px;
            height: 2px;
            background: var(--douyu-orange);
            border-radius: 2px;
        }
        .section-title {
            font-size: clamp(26px, 3vw, 34px);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
            color: var(--douyu-text);
        }
        .section-subtitle {
            font-size: 16px;
            line-height: 1.75;
            color: var(--douyu-text-light);
            margin-bottom: 36px;
            max-width: 700px;
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-dark .section-subtitle {
            color: #B8C4CE;
        }
        .text-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }
        .btn-douyu {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--douyu-radius-full);
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            border: none;
            cursor: pointer;
            transition: var(--douyu-transition);
            text-align: center;
            white-space: nowrap;
        }
        .btn-douyu-primary {
            background: var(--douyu-orange);
            color: #fff;
            box-shadow: 0 4px 16px rgba(255,106,20,0.35);
        }
        .btn-douyu-primary:hover {
            background: var(--douyu-orange-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255,106,20,0.45);
        }
        .btn-douyu-primary:active {
            transform: translateY(0);
        }
        .btn-douyu-outline {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255,255,255,0.55);
        }
        .btn-douyu-outline:hover {
            background: rgba(255,255,255,0.12);
            color: #fff;
            border-color: #fff;
        }
        .btn-douyu-outline-dark {
            background: transparent;
            color: var(--douyu-text);
            border: 1.5px solid var(--douyu-gray-border);
        }
        .btn-douyu-outline-dark:hover {
            border-color: var(--douyu-orange);
            color: var(--douyu-orange);
        }
        .btn-douyu-sm {
            padding: 8px 18px;
            font-size: 14px;
        }
        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--douyu-nav-height);
            background: rgba(255,255,255,0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--douyu-gray-border);
            z-index: 1030;
            transition: box-shadow .3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(30,42,54,0.08);
        }
        .navbar-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--douyu-nav-height);
            gap: 16px;
        }
        .navbar-logo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 700;
            color: var(--douyu-text);
            white-space: nowrap;
        }
        .navbar-logo:hover {
            color: var(--douyu-text);
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--douyu-orange);
            color: #fff;
            border-radius: 8px;
            font-size: 14px;
        }
        .logo-highlight {
            color: var(--douyu-orange);
        }
        .navbar-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .navbar-links li a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--douyu-text-light);
            border-radius: var(--douyu-radius-full);
            transition: var(--douyu-transition);
            white-space: nowrap;
        }
        .navbar-links li a:hover {
            color: var(--douyu-orange);
            background: var(--douyu-orange-light);
        }
        .navbar-links li a.active {
            color: var(--douyu-orange);
            background: var(--douyu-orange-light);
            font-weight: 600;
        }
        .navbar-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .search-box {
            display: flex;
            align-items: center;
            gap: 6px;
            background: var(--douyu-gray-bg);
            border-radius: var(--douyu-radius-full);
            padding: 8px 14px;
            border: 1px solid var(--douyu-gray-border);
            transition: var(--douyu-transition);
        }
        .search-box:focus-within {
            border-color: var(--douyu-orange);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(255,106,20,0.12);
        }
        .search-box .search-icon {
            color: var(--douyu-text-muted);
            font-size: 14px;
        }
        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 13px;
            width: 150px;
            color: var(--douyu-text);
        }
        .search-box input::placeholder {
            color: var(--douyu-text-muted);
        }
        .btn-go-live {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--douyu-orange);
            color: #fff;
            padding: 9px 18px;
            border-radius: var(--douyu-radius-full);
            font-size: 14px;
            font-weight: 600;
            border: none;
            white-space: nowrap;
            transition: var(--douyu-transition);
            box-shadow: 0 4px 12px rgba(255,106,20,0.35);
        }
        .btn-go-live:hover {
            background: var(--douyu-orange-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(255,106,20,0.45);
        }
        .btn-nav-trigger {
            display: none;
            background: var(--douyu-gray-bg);
            border: 1px solid var(--douyu-gray-border);
            color: var(--douyu-text);
            width: 38px;
            height: 38px;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 16px;
            transition: var(--douyu-transition);
        }
        .btn-nav-trigger:hover {
            background: var(--douyu-orange-light);
            border-color: var(--douyu-orange);
            color: var(--douyu-orange);
        }
        /* Breadcrumb */
        .breadcrumb-bar {
            padding: 18px 0 0;
            font-size: 13px;
            color: var(--douyu-text-muted);
        }
        .breadcrumb-bar .breadcrumb {
            margin: 0;
            --bs-breadcrumb-divider-color: var(--douyu-text-muted);
        }
        .breadcrumb-bar a {
            color: var(--douyu-text-light);
        }
        .breadcrumb-bar a:hover {
            color: var(--douyu-orange);
        }
        .breadcrumb-bar .active {
            color: var(--douyu-orange);
            font-weight: 500;
        }
        /* Category Hero */
        .category-hero {
            background: linear-gradient(180deg, #fff 0%, var(--douyu-orange-light) 100%);
            padding: 48px 0 64px;
            border-bottom: 1px solid var(--douyu-gray-border);
        }
        .category-hero .hero-title {
            font-size: clamp(30px, 4vw, 42px);
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.015em;
            margin-bottom: 16px;
            color: var(--douyu-text);
        }
        .category-hero .hero-desc {
            font-size: 17px;
            line-height: 1.9;
            color: var(--douyu-text-light);
            max-width: 820px;
            margin-bottom: 0;
        }
        /* Card Styles */
        .card-guide {
            background: #fff;
            border: 1px solid var(--douyu-gray-border);
            border-radius: var(--douyu-radius-md);
            overflow: hidden;
            transition: var(--douyu-transition);
            box-shadow: var(--douyu-shadow-sm);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card-guide:hover {
            transform: translateY(-4px);
            box-shadow: var(--douyu-shadow-hover);
            border-color: rgba(255,106,20,0.3);
        }
        .card-guide .card-img-wrap {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #E9ECEF;
        }
        .card-guide .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .card-guide:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .card-guide .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(30,42,54,0.75);
            color: #fff;
            font-size: 12px;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: var(--douyu-radius-full);
            backdrop-filter: blur(4px);
        }
        .card-guide .card-date {
            position: absolute;
            bottom: 12px;
            right: 12px;
            color: rgba(255,255,255,0.85);
            font-size: 12px;
            background: rgba(30,42,54,0.55);
            padding: 4px 10px;
            border-radius: var(--douyu-radius-full);
            backdrop-filter: blur(4px);
        }
        .card-guide .card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .card-guide .card-title {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--douyu-text);
            margin: 0;
        }
        .card-guide .card-title a {
            color: var(--douyu-text);
        }
        .card-guide .card-title a:hover {
            color: var(--douyu-orange);
        }
        .card-guide .card-summary {
            font-size: 13.5px;
            line-height: 1.75;
            color: var(--douyu-text-light);
            margin: 0;
            flex: 1;
        }
        .card-guide .card-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--douyu-orange);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: var(--douyu-transition);
        }
        .card-guide .card-link:hover {
            gap: 8px;
            color: var(--douyu-orange-dark);
        }
        /* Sidebar */
        .sidebar-card {
            background: #fff;
            border: 1px solid var(--douyu-gray-border);
            border-radius: var(--douyu-radius-md);
            padding: 24px;
            box-shadow: var(--douyu-shadow-sm);
            margin-bottom: 24px;
        }
        .sidebar-card .sidebar-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--douyu-text);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--douyu-orange);
            display: inline-block;
        }
        .sidebar-card ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .sidebar-card ul li {
            padding: 8px 0;
            border-bottom: 1px dashed var(--douyu-gray-border);
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
        }
        .sidebar-card ul li:last-child {
            border-bottom: none;
        }
        .sidebar-card ul li a {
            color: var(--douyu-text-light);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--douyu-transition);
        }
        .sidebar-card ul li a:hover {
            color: var(--douyu-orange);
        }
        .sidebar-card ul li .rank-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 22px;
            height: 22px;
            background: var(--douyu-orange-light);
            color: var(--douyu-orange);
            font-size: 12px;
            font-weight: 700;
            border-radius: 4px;
            flex-shrink: 0;
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-cloud .tag {
            display: inline-flex;
            align-items: center;
            padding: 5px 14px;
            background: var(--douyu-gray-bg);
            border: 1px solid var(--douyu-gray-border);
            border-radius: var(--douyu-radius-full);
            font-size: 13px;
            color: var(--douyu-text-light);
            transition: var(--douyu-transition);
            cursor: default;
        }
        .tag-cloud .tag:hover {
            background: var(--douyu-orange-light);
            border-color: var(--douyu-orange);
            color: var(--douyu-orange);
        }
        .subscribe-box {
            background: var(--douyu-dark);
            border-radius: var(--douyu-radius-md);
            padding: 24px;
            color: #E8ECF0;
            position: relative;
            overflow: hidden;
        }
        .subscribe-box::after {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 120px;
            height: 120px;
            background: rgba(255,106,20,0.2);
            border-radius: 50%;
        }
        .subscribe-box h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 10px;
            color: #fff;
            position: relative;
            z-index: 1;
        }
        .subscribe-box p {
            font-size: 13px;
            color: #B8C4CE;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }
        .subscribe-box .sub-input {
            display: flex;
            gap: 8px;
            position: relative;
            z-index: 1;
        }
        .subscribe-box .sub-input input {
            flex: 1;
            padding: 9px 14px;
            border-radius: var(--douyu-radius-full);
            border: 1px solid rgba(255,255,255,0.2);
            background: rgba(255,255,255,0.1);
            color: #fff;
            font-size: 13px;
            outline: none;
            min-width: 0;
        }
        .subscribe-box .sub-input input::placeholder {
            color: rgba(255,255,255,0.5);
        }
        .subscribe-box .sub-input input:focus {
            border-color: var(--douyu-orange);
        }
        .subscribe-box .btn-sub {
            padding: 9px 18px;
            background: var(--douyu-orange);
            color: #fff;
            border: none;
            border-radius: var(--douyu-radius-full);
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
            white-space: nowrap;
            transition: var(--douyu-transition);
        }
        .subscribe-box .btn-sub:hover {
            background: var(--douyu-orange-dark);
        }
        /* Featured Guide */
        .featured-card {
            background: #fff;
            border-radius: var(--douyu-radius-lg);
            overflow: hidden;
            border: 1px solid var(--douyu-gray-border);
            box-shadow: var(--douyu-shadow-md);
            transition: var(--douyu-transition);
            height: 100%;
        }
        .featured-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--douyu-shadow-hover);
        }
        .featured-card .feat-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            position: relative;
            background: #E9ECEF;
        }
        .featured-card .feat-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .featured-card:hover .feat-img img {
            transform: scale(1.05);
        }
        .featured-card .feat-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--douyu-orange);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: var(--douyu-radius-full);
        }
        .featured-card .feat-body {
            padding: 20px 22px 22px;
        }
        .featured-card .feat-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--douyu-text);
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .featured-card .feat-desc {
            font-size: 14px;
            line-height: 1.8;
            color: var(--douyu-text-light);
            margin-bottom: 14px;
        }
        /* Steps */
        .step-card {
            background: #fff;
            border-radius: var(--douyu-radius-md);
            padding: 28px 24px;
            text-align: center;
            border: 1px solid var(--douyu-gray-border);
            box-shadow: var(--douyu-shadow-sm);
            height: 100%;
            transition: var(--douyu-transition);
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--douyu-shadow-hover);
            border-color: rgba(255,106,20,0.3);
        }
        .step-card .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: var(--douyu-orange);
            color: #fff;
            border-radius: 50%;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .step-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--douyu-text);
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 13.5px;
            line-height: 1.75;
            color: var(--douyu-text-light);
            margin-bottom: 0;
        }
        /* Stats */
        .stat-card {
            text-align: center;
            padding: 28px 16px;
            background: transparent;
            border-radius: var(--douyu-radius-md);
            transition: var(--douyu-transition);
        }
        .stat-card:hover {
            background: rgba(255,255,255,0.06);
        }
        .stat-card .stat-num {
            font-size: 40px;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-card .stat-label {
            font-size: 14px;
            color: #B8C4CE;
        }
        /* FAQ */
        .accordion-guide .accordion-item {
            border: 1px solid var(--douyu-gray-border);
            border-radius: var(--douyu-radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--douyu-shadow-sm);
            background: #fff;
        }
        .accordion-guide .accordion-button {
            font-size: 15px;
            font-weight: 600;
            color: var(--douyu-text);
            padding: 16px 20px;
            background: #fff;
            border: none;
            box-shadow: none;
            border-radius: var(--douyu-radius-md) !important;
            transition: var(--douyu-transition);
            position: relative;
        }
        .accordion-guide .accordion-button:not(.collapsed) {
            background: var(--douyu-orange-light);
            color: var(--douyu-orange);
        }
        .accordion-guide .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(255,106,20,0.2);
        }
        .accordion-guide .accordion-button::after {
            filter: sepia(1) saturate(4) hue-rotate(-10deg);
        }
        .accordion-guide .accordion-body {
            font-size: 14px;
            line-height: 1.85;
            color: var(--douyu-text-light);
            padding: 16px 20px;
            background: #fff;
        }
        .accordion-guide .accordion-button .faq-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: var(--douyu-orange);
            border-radius: 50%;
            margin-right: 10px;
            flex-shrink: 0;
        }
        /* CTA */
        .cta-panel {
            background: linear-gradient(135deg, var(--douyu-dark) 0%, #2B3948 100%);
            border-radius: var(--douyu-radius-lg);
            padding: 48px 40px;
            position: relative;
            overflow: hidden;
        }
        .cta-panel::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 180px;
            height: 180px;
            background: rgba(255,106,20,0.25);
            border-radius: 50%;
        }
        .cta-panel h3 {
            color: #fff;
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-panel p {
            color: #B8C4CE;
            font-size: 15px;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
            max-width: 520px;
        }
        .cta-panel .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        /* Footer */
        .site-footer {
            background: var(--douyu-dark);
            color: #B8C4CE;
            padding: 56px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand .logo-icon {
            background: var(--douyu-orange);
        }
        .site-footer h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .site-footer p {
            font-size: 13px;
            line-height: 1.8;
            color: #8B98A5;
            margin-bottom: 0;
        }
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            color: #B8C4CE;
            font-size: 13.5px;
            transition: var(--douyu-transition);
        }
        .footer-links a:hover {
            color: var(--douyu-orange);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 12px;
            color: #6B7A87;
        }
        .footer-bottom a {
            color: #8B98A5;
            font-size: 12px;
        }
        .footer-bottom a:hover {
            color: var(--douyu-orange);
        }
        /* Additional */
        .divider-space {
            height: 1px;
            background: var(--douyu-gray-border);
            margin: 0;
            opacity: 0.6;
        }
        @media (max-width: 1024px) {
            .navbar-links li a {
                padding: 6px 10px;
                font-size: 13px;
            }
            .search-box input {
                width: 110px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .navbar-custom {
                gap: 8px;
            }
            .navbar-links {
                display: none;
                position: absolute;
                top: var(--douyu-nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--douyu-gray-border);
                box-shadow: var(--douyu-shadow-md);
                z-index: 1029;
                align-items: stretch;
            }
            .navbar-links.show {
                display: flex;
            }
            .navbar-links li a {
                display: block;
                padding: 12px 16px;
                font-size: 15px;
                border-radius: var(--douyu-radius-sm);
            }
            .btn-nav-trigger {
                display: inline-flex;
            }
            .search-box {
                display: none;
            }
            .btn-go-live {
                padding: 8px 14px;
                font-size: 13px;
                gap: 4px;
            }
            .section {
                padding: 52px 0;
            }
            .section-lg {
                padding: 64px 0;
            }
            .card-guide .card-title {
                font-size: 15px;
            }
            .card-guide .card-summary {
                font-size: 13px;
            }
            .cta-panel {
                padding: 32px 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .stat-card .stat-num {
                font-size: 30px;
            }
        }
        @media (max-width: 520px) {
            body {
                font-size: 14px;
                line-height: 1.75;
            }
            .navbar-logo {
                font-size: 17px;
                gap: 6px;
            }
            .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 12px;
            }
            .btn-go-live span {
                display: none;
            }
            .btn-go-live {
                padding: 8px 10px;
            }
            .category-hero {
                padding: 36px 0 48px;
            }
            .category-hero .hero-title {
                font-size: 26px;
            }
            .category-hero .hero-desc {
                font-size: 15px;
            }
            .card-guide .card-body {
                padding: 14px 16px 16px;
            }
            .featured-card .feat-body {
                padding: 16px;
            }
            .step-card {
                padding: 20px 16px;
            }
        }

/* 内页拓展样式：FAQ、深度内容与CTA */
.faq-accordion .accordion-item {
  border: 1px solid var(--douyu-gray-border);
  border-radius: 10px;
  margin-bottom: 12px;
  overflow: hidden;
}
.faq-accordion .accordion-button {
  background-color: #fff;
  font-weight: 600;
  color: var(--douyu-text);
  padding: 14px 18px;
  box-shadow: none;
  border-radius: 10px !important;
}
.faq-accordion .accordion-button:not(.collapsed) {
  background-color: var(--douyu-orange-light);
  color: var(--douyu-orange-dark);
  box-shadow: none;
}
.faq-accordion .accordion-button:focus {
  box-shadow: 0 0 0 3px rgba(255,106,20,0.2);
  border-color: var(--douyu-orange);
}
.faq-accordion .accordion-button::after {
  filter: brightness(0) invert(0.5);
}
.faq-accordion .accordion-body {
  background-color: var(--douyu-orange-light);
  color: var(--douyu-text-light);
  padding: 14px 18px 18px 40px;
  font-size: 14px;
}
.faq-dot {
  color: var(--douyu-orange);
  font-size: 8px;
  margin-right: 8px;
  flex-shrink: 0;
}
.content-panel {
  background: #fff;
  border: 1px solid var(--douyu-gray-border);
  border-radius: var(--douyu-radius-lg);
  padding: 32px;
  height: 100%;
  box-shadow: var(--douyu-shadow-sm);
}
.content-panel h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--douyu-text);
  margin-bottom: 12px;
}
.content-panel p {
  color: var(--douyu-text-light);
  line-height: 1.9;
  margin-bottom: 12px;
}
.cta-panel {
  background: var(--douyu-dark);
  border-radius: var(--douyu-radius-lg);
  padding: 48px 40px;
  color: #fff;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.cta-panel h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
}
.cta-panel p {
  font-size: 15px;
  color: #B8C4CE;
  margin-bottom: 0;
}
.cta-input-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.cta-input {
  background: #fff;
  border: 1px solid #3A4755;
  border-radius: var(--douyu-radius-full);
  padding: 12px 20px;
  color: var(--douyu-text);
  width: 260px;
  max-width: 100%;
}
.cta-input:focus {
  outline: none;
  border-color: var(--douyu-orange);
  box-shadow: 0 0 0 3px rgba(255,106,20,0.25);
}
@media (max-width: 576px) {
  .cta-panel {
    padding: 32px 22px;
    flex-direction: column;
    align-items: flex-start;
  }
  .cta-input {
    width: 100%;
  }
  .cta-input-group {
    width: 100%;
    flex-direction: column;
  }
}

/* roulang page: category4 */
:root {
            --douyu-orange: #FF6A14;
            --douyu-orange-dark: #E55A0D;
            --douyu-orange-light: #FFF4ED;
            --douyu-dark: #1E2A36;
            --douyu-dark-2: #2B3948;
            --douyu-gray-bg: #F5F7FA;
            --douyu-gray-border: #E5E7EB;
            --douyu-text: #1E2A36;
            --douyu-text-light: #5A6B7B;
            --douyu-text-muted: #8B98A5;
            --douyu-aqua: #00B8A8;
            --douyu-aqua-light: #E6F9F7;
            --douyu-yellow: #FFC400;
            --douyu-radius-sm: 8px;
            --douyu-radius-md: 10px;
            --douyu-radius-lg: 16px;
            --douyu-radius-full: 999px;
            --douyu-shadow-sm: 0 4px 12px rgba(30,42,54,0.06);
            --douyu-shadow-md: 0 8px 24px rgba(30,42,54,0.09);
            --douyu-shadow-hover: 0 12px 28px rgba(255,106,20,0.14);
            --douyu-transition: all .25s cubic-bezier(.4,0,.2,1);
            --douyu-nav-height: 64px;
            --douyu-container-max: 1240px;
            --douyu-gutter: 1.5rem;
        }
        html {
            scroll-behavior: smooth;
            -webkit-tap-highlight-color: transparent;
        }
        body {
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
            font-size: 15px;
            line-height: 1.85;
            color: var(--douyu-text);
            background-color: var(--douyu-gray-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--douyu-nav-height);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--douyu-orange);
            text-decoration: none;
            transition: var(--douyu-transition);
        }
        a:hover {
            color: var(--douyu-orange-dark);
        }
        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            transition: var(--douyu-transition);
        }
        button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--douyu-orange);
            outline-offset: 2px;
        }
        .section {
            padding: 72px 0;
        }
        .section-sm {
            padding: 52px 0;
        }
        .section-lg {
            padding: 92px 0;
        }
        .section-dark {
            background: var(--douyu-dark);
            color: #E8ECF0;
        }
        .section-white {
            background: #fff;
        }
        .section-gray {
            background: var(--douyu-gray-bg);
        }
        .section-orange-light {
            background: var(--douyu-orange-light);
        }
        .container-custom {
            max-width: var(--douyu-container-max);
            margin: 0 auto;
            padding-left: clamp(24px, 3vw, 40px);
            padding-right: clamp(24px, 3vw, 40px);
        }
        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .06em;
            text-transform: uppercase;
            color: var(--douyu-orange);
            margin-bottom: 12px;
        }
        .eyebrow::before {
            content: '';
            display: inline-block;
            width: 20px;
            height: 2px;
            background: var(--douyu-orange);
            border-radius: 2px;
        }
        .section-title {
            font-size: clamp(26px, 3vw, 34px);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
            color: var(--douyu-text);
        }
        .section-subtitle {
            font-size: 16px;
            line-height: 1.75;
            color: var(--douyu-text-light);
            margin-bottom: 36px;
            max-width: 700px;
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-dark .section-subtitle {
            color: #B8C4CE;
        }
        .btn-douyu {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--douyu-radius-full);
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            border: none;
            cursor: pointer;
            transition: var(--douyu-transition);
            text-align: center;
            white-space: nowrap;
        }
        .btn-douyu-primary {
            background: var(--douyu-orange);
            color: #fff;
            box-shadow: 0 4px 16px rgba(255,106,20,0.35);
        }
        .btn-douyu-primary:hover {
            background: var(--douyu-orange-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255,106,20,0.45);
        }
        .btn-douyu-primary:active {
            transform: translateY(0);
        }
        .btn-douyu-outline {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255,255,255,0.55);
        }
        .btn-douyu-outline:hover {
            background: rgba(255,255,255,0.12);
            color: #fff;
            border-color: #fff;
        }
        .btn-douyu-outline-dark {
            background: transparent;
            color: var(--douyu-text);
            border: 1.5px solid var(--douyu-gray-border);
        }
        .btn-douyu-outline-dark:hover {
            border-color: var(--douyu-orange);
            color: var(--douyu-orange);
        }
        .btn-douyu-sm {
            padding: 8px 16px;
            font-size: 13px;
        }
        .btn-douyu-lg {
            padding: 14px 32px;
            font-size: 16px;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: var(--douyu-nav-height);
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(30,42,54,0.06);
            transition: var(--douyu-transition);
        }
        .site-header.is-scrolled {
            box-shadow: 0 4px 20px rgba(30,42,54,0.10);
            background: rgba(255,255,255,0.97);
        }
        .navbar-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--douyu-nav-height);
            gap: 20px;
        }
        .navbar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--douyu-text);
            white-space: nowrap;
        }
        .navbar-logo:hover {
            color: var(--douyu-text);
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--douyu-orange);
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
        }
        .logo-highlight {
            color: var(--douyu-orange);
        }
        .navbar-links {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 16px;
            flex: 1;
            justify-content: center;
        }
        .navbar-links a {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 8px 12px;
            font-size: 14px;
            font-weight: 500;
            color: var(--douyu-text-light);
            border-radius: var(--douyu-radius-full);
            white-space: nowrap;
            transition: var(--douyu-transition);
        }
        .navbar-links a:hover {
            color: var(--douyu-orange);
            background: var(--douyu-orange-light);
        }
        .navbar-links a.active {
            color: var(--douyu-orange);
            background: var(--douyu-orange-light);
            font-weight: 600;
        }
        .navbar-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--douyu-gray-bg);
            border-radius: var(--douyu-radius-full);
            padding: 0 14px;
            height: 40px;
            border: 1px solid var(--douyu-gray-border);
            transition: var(--douyu-transition);
            position: relative;
        }
        .search-box:focus-within {
            border-color: var(--douyu-orange);
            box-shadow: 0 0 0 0.2rem rgba(255,106,20,0.15);
            background: #fff;
        }
        .search-box .search-icon {
            color: var(--douyu-text-muted);
            font-size: 14px;
            margin-right: 8px;
        }
        .search-box input {
            border: none;
            outline: none;
            background: transparent;
            font-size: 14px;
            width: 160px;
            color: var(--douyu-text);
        }
        .search-box input::placeholder {
            color: var(--douyu-text-muted);
        }
        .btn-go-live {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 18px;
            background: var(--douyu-orange);
            color: #fff;
            border-radius: var(--douyu-radius-full);
            font-weight: 600;
            font-size: 14px;
            border: none;
            cursor: pointer;
            white-space: nowrap;
            transition: var(--douyu-transition);
            box-shadow: 0 4px 16px rgba(255,106,20,0.30);
        }
        .btn-go-live:hover {
            background: var(--douyu-orange-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255,106,20,0.40);
        }
        .btn-nav-trigger {
            display: none;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border: 1px solid var(--douyu-gray-border);
            border-radius: var(--douyu-radius-sm);
            background: #fff;
            color: var(--douyu-text);
            font-size: 18px;
            cursor: pointer;
            transition: var(--douyu-transition);
        }
        .btn-nav-trigger:hover {
            border-color: var(--douyu-orange);
            color: var(--douyu-orange);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--douyu-nav-height);
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--douyu-gray-border);
            box-shadow: 0 12px 32px rgba(30,42,54,0.12);
            z-index: 1049;
            padding: 16px 24px;
            max-height: calc(100vh - var(--douyu-nav-height));
            overflow-y: auto;
        }
        .mobile-menu.is-open {
            display: block;
        }
        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            font-size: 15px;
            color: var(--douyu-text-light);
            border-radius: var(--douyu-radius-sm);
            transition: var(--douyu-transition);
        }
        .mobile-menu a:hover, .mobile-menu a.active {
            background: var(--douyu-orange-light);
            color: var(--douyu-orange);
        }
        .mobile-menu .search-box {
            width: 100%;
            margin-bottom: 12px;
        }
        .mobile-menu .search-box input {
            width: 100%;
        }
        .page-banner {
            position: relative;
            padding: 84px 0 64px;
            background: var(--douyu-dark);
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.28;
            z-index: 0;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(30,42,54,0.96) 0%, rgba(30,42,54,0.72) 60%, rgba(255,106,20,0.18) 100%);
            z-index: 1;
        }
        .page-banner .container-custom {
            position: relative;
            z-index: 2;
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0 0 20px;
            padding: 0;
            font-size: 13px;
            color: rgba(255,255,255,0.60);
        }
        .breadcrumb-custom li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb-custom li:not(:last-child)::after {
            content: '/';
            color: rgba(255,255,255,0.35);
            margin-left: 4px;
        }
        .breadcrumb-custom a {
            color: rgba(255,255,255,0.70);
            transition: var(--douyu-transition);
        }
        .breadcrumb-custom a:hover {
            color: var(--douyu-orange);
        }
        .breadcrumb-custom .current {
            color: #fff;
            font-weight: 500;
        }
        .page-banner h1 {
            font-size: clamp(30px, 4vw, 40px);
            font-weight: 700;
            line-height: 1.25;
            color: #fff;
            margin: 0 0 16px;
            letter-spacing: -0.01em;
        }
        .page-banner .banner-subtitle {
            font-size: 16px;
            line-height: 1.75;
            color: rgba(255,255,255,0.72);
            max-width: 680px;
            margin: 0;
        }
        .card-douyu {
            background: #fff;
            border: 1px solid var(--douyu-gray-border);
            border-radius: var(--douyu-radius-md);
            overflow: hidden;
            transition: var(--douyu-transition);
            box-shadow: var(--douyu-shadow-sm);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card-douyu:hover {
            transform: translateY(-4px);
            box-shadow: var(--douyu-shadow-hover);
            border-color: rgba(255,106,20,0.25);
        }
        .card-douyu .card-cover {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--douyu-gray-bg);
        }
        .card-douyu .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s cubic-bezier(.4,0,.2,1);
        }
        .card-douyu:hover .card-cover img {
            transform: scale(1.03);
        }
        .card-douyu .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--douyu-orange);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--douyu-radius-full);
            z-index: 2;
        }
        .card-douyu .card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .card-douyu .card-date {
            font-size: 12px;
            color: var(--douyu-text-muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .card-douyu .card-title {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.45;
            margin: 0 0 8px;
            color: var(--douyu-text);
        }
        .card-douyu .card-text {
            font-size: 14px;
            line-height: 1.75;
            color: var(--douyu-text-light);
            margin: 0 0 16px;
            flex: 1;
        }
        .card-douyu .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--douyu-orange);
            transition: var(--douyu-transition);
        }
        .card-douyu .card-link:hover {
            gap: 10px;
            color: var(--douyu-orange-dark);
        }
        .sidebar-card {
            background: #fff;
            border: 1px solid var(--douyu-gray-border);
            border-radius: var(--douyu-radius-md);
            padding: 22px 20px;
            box-shadow: var(--douyu-shadow-sm);
            margin-bottom: 20px;
        }
        .sidebar-card h3 {
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 16px;
            color: var(--douyu-text);
            position: relative;
            padding-left: 12px;
        }
        .sidebar-card h3::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 16px;
            border-radius: 2px;
            background: var(--douyu-orange);
        }
        .sidebar-card ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .sidebar-card ul li {
            margin-bottom: 8px;
        }
        .sidebar-card ul li a {
            display: block;
            font-size: 13px;
            color: var(--douyu-text-light);
            padding: 8px 12px;
            border-radius: var(--douyu-radius-sm);
            transition: var(--douyu-transition);
            line-height: 1.5;
        }
        .sidebar-card ul li a:hover {
            background: var(--douyu-orange-light);
            color: var(--douyu-orange);
        }
        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar-tags .tag-chip {
            display: inline-block;
            padding: 5px 14px;
            font-size: 12px;
            color: var(--douyu-text-light);
            background: var(--douyu-gray-bg);
            border-radius: var(--douyu-radius-full);
            border: 1px solid var(--douyu-gray-border);
            transition: var(--douyu-transition);
            cursor: pointer;
        }
        .sidebar-tags .tag-chip:hover {
            background: var(--douyu-orange-light);
            color: var(--douyu-orange);
            border-color: rgba(255,106,20,0.3);
        }
        .sidebar-subscribe {
            position: relative;
            overflow: hidden;
        }
        .sidebar-subscribe::before {
            content: '';
            position: absolute;
            top: -30px;
            right: -30px;
            width: 100px;
            height: 100px;
            border-radius: 50%;
            background: var(--douyu-orange-light);
            z-index: 0;
        }
        .sidebar-subscribe>* {
            position: relative;
            z-index: 1;
        }
        .subscribe-form {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .subscribe-form input {
            padding: 10px 16px;
            border: 1px solid var(--douyu-gray-border);
            border-radius: var(--douyu-radius-full);
            font-size: 14px;
            background: var(--douyu-gray-bg);
            transition: var(--douyu-transition);
            outline: none;
        }
        .subscribe-form input:focus {
            border-color: var(--douyu-orange);
            background: #fff;
            box-shadow: 0 0 0 0.2rem rgba(255,106,20,0.18);
        }
        .depth-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            padding: 32px 0;
        }
        .depth-block.is-reversed {
            grid-template-columns: 1fr 1fr;
        }
        .depth-block .depth-image {
            border-radius: var(--douyu-radius-lg);
            overflow: hidden;
            aspect-ratio: 4/3;
            background: var(--douyu-gray-bg);
        }
        .depth-block .depth-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s cubic-bezier(.4,0,.2,1);
        }
        .depth-block .depth-image:hover img {
            transform: scale(1.02);
        }
        .depth-block h3 {
            font-size: 22px;
            font-weight: 700;
            line-height: 1.4;
            margin: 0 0 12px;
            color: var(--douyu-text);
        }
        .depth-block p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--douyu-text-light);
            margin: 0 0 12px;
        }
        .stat-block {
            background: var(--douyu-dark);
            border-radius: var(--douyu-radius-lg);
            padding: 40px 36px;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            text-align: center;
        }
        .stat-item .stat-number {
            font-size: clamp(28px, 3vw, 38px);
            font-weight: 700;
            color: var(--douyu-orange);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .stat-item .stat-label {
            font-size: 14px;
            color: rgba(255,255,255,0.70);
        }
        .stat-unit {
            font-size: 14px;
            color: rgba(255,255,255,0.55);
        }
        .step-list {
            list-style: none;
            margin: 0;
            padding: 0;
            position: relative;
        }
        .step-list::before {
            content: '';
            position: absolute;
            left: 18px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: var(--douyu-gray-border);
        }
        .step-list li {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 16px 0;
            position: relative;
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--douyu-orange);
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            flex-shrink: 0;
            z-index: 1;
        }
        .step-content h4 {
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 6px;
            color: var(--douyu-text);
        }
        .step-content p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--douyu-text-light);
            margin: 0;
        }
        .accordion-douyu .accordion-item {
            border: 1px solid var(--douyu-gray-border);
            border-radius: var(--douyu-radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            background: #fff;
        }
        .accordion-douyu .accordion-button {
            font-size: 15px;
            font-weight: 600;
            color: var(--douyu-text);
            padding: 16px 20px;
            background: #fff;
            border: none;
            box-shadow: none;
            display: flex;
            align-items: center;
            gap: 10px;
            cursor: pointer;
            width: 100%;
            text-align: left;
            border-radius: 0;
            transition: var(--douyu-transition);
        }
        .accordion-douyu .accordion-button:not(.collapsed) {
            background: var(--douyu-orange-light);
            color: var(--douyu-orange-dark);
        }
        .accordion-douyu .accordion-button::before {
            content: '';
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--douyu-orange);
            flex-shrink: 0;
        }
        .accordion-douyu .accordion-button::after {
            filter: brightness(0.4);
        }
        .accordion-douyu .accordion-body {
            padding: 16px 20px 20px 38px;
            font-size: 14px;
            line-height: 1.85;
            color: var(--douyu-text-light);
            background: #fff;
        }
        .cta-box {
            background: linear-gradient(135deg, var(--douyu-dark) 0%, #2B3A4D 100%);
            border-radius: var(--douyu-radius-lg);
            padding: 56px 40px;
            position: relative;
            overflow: hidden;
            text-align: center;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(255,106,20,0.18);
            z-index: 0;
        }
        .cta-box::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -60px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(0,184,168,0.12);
            z-index: 0;
        }
        .cta-box h2 {
            font-size: clamp(26px, 3vw, 32px);
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
            position: relative;
            z-index: 1;
        }
        .cta-box p {
            font-size: 16px;
            line-height: 1.75;
            color: rgba(255,255,255,0.70);
            max-width: 560px;
            margin: 0 auto 28px;
            position: relative;
            z-index: 1;
        }
        .cta-box .btn-douyu {
            position: relative;
            z-index: 1;
        }
        .site-footer {
            background: var(--douyu-dark);
            color: rgba(255,255,255,0.70);
            padding: 56px 0 24px;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .site-footer p {
            font-size: 14px;
            line-height: 1.8;
            margin: 0 0 8px;
        }
        .site-footer h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 16px;
        }
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(255,255,255,0.60);
            transition: var(--douyu-transition);
        }
        .footer-links a:hover {
            color: var(--douyu-orange);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.10);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 12px;
            color: rgba(255,255,255,0.50);
        }
        .footer-bottom a {
            color: rgba(255,255,255,0.50);
        }
        .footer-bottom a:hover {
            color: var(--douyu-orange);
        }
        .depth-block.is-reversed .depth-image {
            order: 2;
        }
        .depth-block.is-reversed .depth-content {
            order: 1;
        }
        @media (max-width: 991.98px) {
            .navbar-links {
                gap: 6px;
            }
            .navbar-links a {
                padding: 8px 8px;
                font-size: 13px;
            }
            .search-box input {
                width: 100px;
            }
            .btn-go-live {
                padding: 8px 14px;
                font-size: 13px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 767.98px) {
            :root {
                --douyu-nav-height: 60px;
            }
            body {
                font-size: 14px;
                line-height: 1.8;
            }
            .section {
                padding: 52px 0;
            }
            .section-sm {
                padding: 40px 0;
            }
            .navbar-links {
                display: none;
            }
            .navbar-actions .search-box {
                display: none;
            }
            .btn-nav-trigger {
                display: inline-flex;
            }
            .btn-go-live {
                display: none;
            }
            .navbar-custom {
                gap: 12px;
            }
            .page-banner {
                padding: 64px 0 48px;
            }
            .depth-block {
                grid-template-columns: 1fr;
                gap: 20px;
                padding: 20px 0;
            }
            .depth-block.is-reversed .depth-image {
                order: -1;
            }
            .depth-block.is-reversed .depth-content {
                order: 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
            .cta-box {
                padding: 40px 24px;
            }
            .step-list::before {
                left: 18px;
            }
        }
        @media (max-width: 575.98px) {
            body {
                font-size: 13px;
            }
            .section-title {
                font-size: 24px;
            }
            .section-subtitle {
                font-size: 14px;
            }
            .page-banner h1 {
                font-size: 26px;
            }
            .page-banner .banner-subtitle {
                font-size: 14px;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-item .stat-number {
                font-size: 26px;
            }
            .card-douyu .card-title {
                font-size: 15px;
            }
            .card-douyu .card-text {
                font-size: 13px;
            }
        }

/* roulang page: category5 */
:root {
            --douyu-orange: #FF6A14;
            --douyu-orange-dark: #E55A0D;
            --douyu-orange-light: #FFF4ED;
            --douyu-dark: #1E2A36;
            --douyu-dark-2: #2B3948;
            --douyu-gray-bg: #F5F7FA;
            --douyu-gray-border: #E5E7EB;
            --douyu-text: #1E2A36;
            --douyu-text-light: #5A6B7B;
            --douyu-text-muted: #8B98A5;
            --douyu-aqua: #00B8A8;
            --douyu-aqua-light: #E6F9F7;
            --douyu-yellow: #FFC400;
            --douyu-radius-sm: 8px;
            --douyu-radius-md: 10px;
            --douyu-radius-lg: 16px;
            --douyu-radius-full: 999px;
            --douyu-shadow-sm: 0 4px 12px rgba(30, 42, 54, 0.06);
            --douyu-shadow-md: 0 8px 24px rgba(30, 42, 54, 0.09);
            --douyu-shadow-hover: 0 12px 28px rgba(255, 106, 20, 0.14);
            --douyu-transition: all .25s cubic-bezier(.4, 0, .2, 1);
            --douyu-nav-height: 64px;
            --douyu-container-max: 1240px;
            --douyu-gutter: 1.5rem;
        }

        html {
            scroll-behavior: smooth;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
            font-size: 15px;
            line-height: 1.85;
            color: var(--douyu-text);
            background-color: var(--douyu-gray-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--douyu-nav-height);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--douyu-orange);
            text-decoration: none;
            transition: var(--douyu-transition);
        }

        a:hover {
            color: var(--douyu-orange-dark);
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            transition: var(--douyu-transition);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--douyu-orange);
            outline-offset: 2px;
        }

        .container-custom {
            max-width: var(--douyu-container-max);
            margin: 0 auto;
            padding-left: clamp(24px, 3vw, 40px);
            padding-right: clamp(24px, 3vw, 40px);
        }

        /* Header / Nav */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(229, 231, 235, 0.6);
            height: var(--douyu-nav-height);
            transition: var(--douyu-transition);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(30, 42, 54, 0.08);
            background: rgba(255, 255, 255, 0.98);
        }

        .navbar-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            height: var(--douyu-nav-height);
        }

        .navbar-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 700;
            color: var(--douyu-text);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .navbar-logo:hover {
            color: var(--douyu-text);
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--douyu-orange);
            color: #fff;
            border-radius: 8px;
            font-size: 14px;
            flex-shrink: 0;
        }

        .logo-highlight {
            color: var(--douyu-orange);
        }

        .navbar-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: thin;
            scrollbar-color: var(--douyu-gray-border) transparent;
        }

        .navbar-links::-webkit-scrollbar {
            height: 3px;
        }

        .navbar-links::-webkit-scrollbar-thumb {
            background: var(--douyu-gray-border);
            border-radius: 3px;
        }

        .navbar-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--douyu-text-light);
            border-radius: var(--douyu-radius-full);
            white-space: nowrap;
            transition: var(--douyu-transition);
            position: relative;
        }

        .navbar-links a:hover {
            color: var(--douyu-orange);
            background: var(--douyu-orange-light);
        }

        .navbar-links a.active {
            color: var(--douyu-orange);
            background: var(--douyu-orange-light);
            font-weight: 600;
        }

        .navbar-links a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 16px;
            height: 2px;
            background: var(--douyu-orange);
            border-radius: 2px;
        }

        .navbar-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .search-box {
            display: flex;
            align-items: center;
            gap: 6px;
            background: var(--douyu-gray-bg);
            border: 1.5px solid var(--douyu-gray-border);
            border-radius: var(--douyu-radius-full);
            padding: 6px 14px;
            width: 180px;
            transition: var(--douyu-transition);
        }

        .search-box:focus-within {
            border-color: var(--douyu-orange);
            box-shadow: 0 0 0 3px rgba(255, 106, 20, 0.15);
            background: #fff;
        }

        .search-box .search-icon {
            font-size: 13px;
            color: var(--douyu-text-muted);
            flex-shrink: 0;
        }

        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 13px;
            color: var(--douyu-text);
            width: 100%;
            min-width: 0;
        }

        .search-box input::placeholder {
            color: var(--douyu-text-muted);
        }

        .btn-go-live {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            background: var(--douyu-orange);
            color: #fff;
            border-radius: var(--douyu-radius-full);
            font-size: 13px;
            font-weight: 600;
            white-space: nowrap;
            border: none;
            cursor: pointer;
            box-shadow: 0 3px 12px rgba(255, 106, 20, 0.3);
            transition: var(--douyu-transition);
        }

        .btn-go-live:hover {
            background: var(--douyu-orange-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(255, 106, 20, 0.4);
        }

        .btn-nav-trigger {
            display: none;
            background: none;
            border: none;
            font-size: 20px;
            color: var(--douyu-text);
            cursor: pointer;
            padding: 6px;
            flex-shrink: 0;
        }

        @media (max-width: 991.98px) {
            .navbar-links {
                display: none;
                position: absolute;
                top: var(--douyu-nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 12px 20px 20px;
                box-shadow: 0 12px 28px rgba(30, 42, 54, 0.12);
                border-bottom: 1px solid var(--douyu-gray-border);
                max-height: 60vh;
                overflow-y: auto;
                gap: 2px;
            }

            .navbar-links.open {
                display: flex;
            }

            .navbar-links a {
                padding: 10px 16px;
                border-radius: var(--douyu-radius-sm);
                font-size: 15px;
            }

            .navbar-links a.active::after {
                display: none;
            }

            .search-box {
                width: auto;
                flex: 1;
                min-width: 0;
            }

            .btn-nav-trigger {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }
        }

        @media (max-width: 575.98px) {
            .navbar-actions {
                gap: 6px;
            }

            .btn-go-live span {
                display: none;
            }

            .btn-go-live {
                padding: 8px 12px;
            }

            .search-box {
                display: none;
            }
        }

        /* Breadcrumb */
        .breadcrumb-wrap {
            background: #fff;
            border-bottom: 1px solid var(--douyu-gray-border);
            padding: 14px 0;
        }

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--douyu-text-muted);
            margin: 0;
            padding: 0;
            list-style: none;
            flex-wrap: wrap;
        }

        .breadcrumb-custom li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb-custom li+li::before {
            content: '/';
            color: var(--douyu-gray-border);
            font-size: 13px;
        }

        .breadcrumb-custom a {
            color: var(--douyu-text-light);
        }

        .breadcrumb-custom a:hover {
            color: var(--douyu-orange);
        }

        .breadcrumb-custom .current {
            color: var(--douyu-orange);
            font-weight: 600;
        }

        /* Category Banner */
        .category-banner {
            background: var(--douyu-dark);
            background-image: linear-gradient(135deg, rgba(30, 42, 54, 0.92) 25%, rgba(30, 42, 54, 0.75) 60%, rgba(255, 106, 20, 0.35) 100%),
                url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            padding: 56px 0 64px;
            position: relative;
            overflow: hidden;
        }

        .category-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--douyu-orange), var(--douyu-aqua), var(--douyu-yellow));
        }

        .category-banner .banner-content {
            position: relative;
            z-index: 1;
            max-width: 780px;
        }

        .category-banner h1 {
            font-size: clamp(28px, 3.5vw, 40px);
            font-weight: 700;
            line-height: 1.3;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        .category-banner .banner-desc {
            font-size: 16px;
            line-height: 1.85;
            color: #C5D0D8;
            margin-bottom: 20px;
        }

        .banner-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .banner-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--douyu-radius-full);
            font-size: 13px;
            color: #E8ECF0;
            white-space: nowrap;
        }

        .banner-tag i {
            color: var(--douyu-orange);
            font-size: 12px;
        }

        /* Section Base */
        .section {
            padding: 72px 0;
        }

        .section-sm {
            padding: 52px 0;
        }

        .section-white {
            background: #fff;
        }

        .section-gray {
            background: var(--douyu-gray-bg);
        }

        .section-dark {
            background: var(--douyu-dark);
            color: #E8ECF0;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .06em;
            color: var(--douyu-orange);
            margin-bottom: 12px;
        }

        .eyebrow::before {
            content: '';
            display: inline-block;
            width: 20px;
            height: 2px;
            background: var(--douyu-orange);
            border-radius: 2px;
        }

        .section-title {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
            color: var(--douyu-text);
        }

        .section-subtitle {
            font-size: 15px;
            line-height: 1.75;
            color: var(--douyu-text-light);
            margin-bottom: 32px;
            max-width: 700px;
        }

        .section-dark .section-title {
            color: #fff;
        }

        .section-dark .section-subtitle {
            color: #B8C4CE;
        }

        /* Layout */
        .category-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 32px;
            align-items: start;
        }

        @media (max-width: 991.98px) {
            .category-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* Content Cards */
        .content-card {
            display: flex;
            flex-direction: column;
            background: #fff;
            border: 1px solid var(--douyu-gray-border);
            border-radius: var(--douyu-radius-md);
            overflow: hidden;
            transition: var(--douyu-transition);
            height: 100%;
            box-shadow: var(--douyu-shadow-sm);
        }

        .content-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--douyu-shadow-hover);
            border-color: rgba(255, 106, 20, 0.35);
        }

        .content-card .card-cover {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #E9EDF1;
            flex-shrink: 0;
        }

        .content-card .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s cubic-bezier(.4, 0, .2, 1);
        }

        .content-card:hover .card-cover img {
            transform: scale(1.03);
        }

        .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            background: var(--douyu-orange);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            border-radius: var(--douyu-radius-full);
            z-index: 1;
        }

        .card-date {
            position: absolute;
            top: 12px;
            right: 12px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 10px;
            background: rgba(30, 42, 54, 0.75);
            color: #fff;
            font-size: 12px;
            border-radius: var(--douyu-radius-full);
            z-index: 1;
            backdrop-filter: blur(6px);
        }

        .content-card .card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }

        .content-card .card-title {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--douyu-text);
            margin: 0;
        }

        .content-card .card-title a {
            color: var(--douyu-text);
        }

        .content-card .card-title a:hover {
            color: var(--douyu-orange);
        }

        .content-card .card-excerpt {
            font-size: 14px;
            line-height: 1.7;
            color: var(--douyu-text-light);
            flex: 1;
            margin: 0;
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 12px;
            color: var(--douyu-text-muted);
        }

        .card-meta i {
            margin-right: 4px;
            color: var(--douyu-orange);
        }

        .btn-read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--douyu-orange);
            padding: 0;
            background: none;
            border: none;
            cursor: pointer;
            transition: var(--douyu-transition);
        }

        .btn-read-more:hover {
            color: var(--douyu-orange-dark);
            gap: 10px;
        }

        .btn-read-more i {
            font-size: 12px;
        }

        /* Headline Feature */
        .headline-card {
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            background: #fff;
            border: 1px solid var(--douyu-gray-border);
            border-radius: var(--douyu-radius-lg);
            overflow: hidden;
            box-shadow: var(--douyu-shadow-md);
            transition: var(--douyu-transition);
        }

        .headline-card:hover {
            box-shadow: var(--douyu-shadow-hover);
            border-color: rgba(255, 106, 20, 0.3);
        }

        .headline-card .headline-cover {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: #E9EDF1;
        }

        .headline-card .headline-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s cubic-bezier(.4, 0, .2, 1);
        }

        .headline-card:hover .headline-cover img {
            transform: scale(1.03);
        }

        .headline-card .headline-body {
            padding: 28px 30px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 12px;
        }

        .headline-card .headline-body h3 {
            font-size: 22px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--douyu-text);
            margin: 0;
        }

        .headline-card .headline-body p {
            font-size: 15px;
            line-height: 1.75;
            color: var(--douyu-text-light);
            margin: 0;
        }

        @media (max-width: 767.98px) {
            .headline-card {
                grid-template-columns: 1fr;
            }

            .headline-card .headline-body {
                padding: 20px;
            }
        }

        /* Cards Grid */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        @media (max-width: 767.98px) {
            .cards-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
        }

        /* Sidebar */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: calc(var(--douyu-nav-height) + 20px);
        }

        @media (max-width: 991.98px) {
            .sidebar {
                position: static;
            }
        }

        .sidebar-widget {
            background: #fff;
            border: 1px solid var(--douyu-gray-border);
            border-radius: var(--douyu-radius-md);
            padding: 20px;
            box-shadow: var(--douyu-shadow-sm);
        }

        .sidebar-widget h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--douyu-text);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--douyu-orange);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-widget h3 i {
            color: var(--douyu-orange);
            font-size: 14px;
        }

        .hot-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .hot-list li a {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            color: var(--douyu-text);
            font-size: 14px;
            line-height: 1.5;
        }

        .hot-list li a:hover {
            color: var(--douyu-orange);
        }

        .hot-list .hot-rank {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            background: var(--douyu-orange-light);
            color: var(--douyu-orange);
            font-weight: 700;
            font-size: 13px;
            border-radius: 6px;
            flex-shrink: 0;
        }

        .hot-list .hot-rank.top-1 {
            background: var(--douyu-orange);
            color: #fff;
        }

        .hot-list .hot-rank.top-2 {
            background: var(--douyu-yellow);
            color: var(--douyu-dark);
        }

        .hot-list .hot-rank.top-3 {
            background: var(--douyu-aqua);
            color: #fff;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-cloud a {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            background: var(--douyu-gray-bg);
            border: 1px solid var(--douyu-gray-border);
            border-radius: var(--douyu-radius-full);
            font-size: 13px;
            color: var(--douyu-text-light);
            transition: var(--douyu-transition);
        }

        .tag-cloud a:hover {
            background: var(--douyu-orange-light);
            border-color: var(--douyu-orange);
            color: var(--douyu-orange);
        }

        .subscribe-box {
            background: var(--douyu-dark);
            border-radius: var(--douyu-radius-md);
            padding: 20px;
            text-align: center;
            color: #E8ECF0;
        }

        .subscribe-box h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }

        .subscribe-box p {
            font-size: 13px;
            color: #B8C4CE;
            margin-bottom: 14px;
        }

        .subscribe-box .subscribe-input {
            display: flex;
            gap: 8px;
        }

        .subscribe-box input {
            flex: 1;
            min-width: 0;
            padding: 9px 14px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--douyu-radius-full);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 13px;
            outline: none;
        }

        .subscribe-box input::placeholder {
            color: #8B98A5;
        }

        .subscribe-box input:focus {
            border-color: var(--douyu-orange);
            box-shadow: 0 0 0 3px rgba(255, 106, 20, 0.25);
        }

        .subscribe-box button {
            padding: 9px 16px;
            background: var(--douyu-orange);
            color: #fff;
            border: none;
            border-radius: var(--douyu-radius-full);
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
            white-space: nowrap;
        }

        .subscribe-box button:hover {
            background: var(--douyu-orange-dark);
        }

        /* Stats Strip */
        .stats-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }

        .stat-item {
            padding: 20px;
        }

        .stat-item .stat-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--douyu-orange);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .stat-item .stat-label {
            font-size: 14px;
            color: var(--douyu-text-light);
        }

        @media (max-width: 767.98px) {
            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        /* CTA Section */
        .cta-box {
            background: var(--douyu-dark);
            background-image: linear-gradient(135deg, rgba(30, 42, 54, 0.95) 30%, rgba(30, 42, 54, 0.8) 70%, rgba(255, 106, 20, 0.3) 100%);
            border-radius: var(--douyu-radius-lg);
            padding: 48px 40px;
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 32px;
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .cta-box::after {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255, 106, 20, 0.3), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-box h2 {
            font-size: clamp(22px, 2.5vw, 30px);
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            line-height: 1.3;
        }

        .cta-box p {
            font-size: 15px;
            color: #B8C4CE;
            line-height: 1.75;
            margin-bottom: 20px;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            position: relative;
            z-index: 1;
        }

        .btn-douyu {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--douyu-radius-full);
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            border: none;
            cursor: pointer;
            transition: var(--douyu-transition);
            text-align: center;
            white-space: nowrap;
        }

        .btn-douyu-primary {
            background: var(--douyu-orange);
            color: #fff;
            box-shadow: 0 4px 16px rgba(255, 106, 20, 0.35);
        }

        .btn-douyu-primary:hover {
            background: var(--douyu-orange-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 106, 20, 0.45);
        }

        .btn-douyu-outline {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
        }

        .btn-douyu-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border-color: #fff;
        }

        @media (max-width: 767.98px) {
            .cta-box {
                grid-template-columns: 1fr;
                padding: 32px 24px;
            }
        }

        /* Pagination */
        .pagination-wrap {
            display: flex;
            justify-content: center;
            margin-top: 36px;
        }

        .pagination-custom {
            display: flex;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .pagination-custom a,
        .pagination-custom span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 38px;
            height: 38px;
            padding: 0 12px;
            border-radius: var(--douyu-radius-sm);
            font-size: 14px;
            font-weight: 500;
            background: #fff;
            border: 1px solid var(--douyu-gray-border);
            color: var(--douyu-text-light);
            transition: var(--douyu-transition);
        }

        .pagination-custom a:hover {
            border-color: var(--douyu-orange);
            color: var(--douyu-orange);
            background: var(--douyu-orange-light);
        }

        .pagination-custom .active span {
            background: var(--douyu-orange);
            border-color: var(--douyu-orange);
            color: #fff;
            font-weight: 600;
        }

        /* Footer */
        .site-footer {
            background: var(--douyu-dark);
            color: #B8C4CE;
            padding: 56px 0 0;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 32px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-grid p {
            font-size: 14px;
            line-height: 1.75;
            color: #8B98A5;
            margin-bottom: 0;
        }

        .footer-grid h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            font-size: 14px;
            color: #8B98A5;
            transition: var(--douyu-transition);
        }

        .footer-links a:hover {
            color: var(--douyu-orange);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 0;
            font-size: 12px;
            color: #6B7A87;
        }

        .footer-bottom a {
            color: #8B98A5;
            font-size: 12px;
        }

        .footer-bottom a:hover {
            color: var(--douyu-orange);
        }

        @media (max-width: 991.98px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 575.98px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: category6 */
:root {
            --douyu-orange: #FF6A14;
            --douyu-orange-dark: #E55A0D;
            --douyu-orange-light: #FFF4ED;
            --douyu-dark: #1E2A36;
            --douyu-dark-2: #2B3948;
            --douyu-gray-bg: #F5F7FA;
            --douyu-gray-border: #E5E7EB;
            --douyu-text: #1E2A36;
            --douyu-text-light: #5A6B7B;
            --douyu-text-muted: #8B98A5;
            --douyu-aqua: #00B8A8;
            --douyu-aqua-light: #E6F9F7;
            --douyu-yellow: #FFC400;
            --douyu-radius-sm: 8px;
            --douyu-radius-md: 10px;
            --douyu-radius-lg: 16px;
            --douyu-radius-full: 999px;
            --douyu-shadow-sm: 0 4px 12px rgba(30, 42, 54, 0.06);
            --douyu-shadow-md: 0 8px 24px rgba(30, 42, 54, 0.09);
            --douyu-shadow-hover: 0 12px 28px rgba(255, 106, 20, 0.14);
            --douyu-transition: all .25s cubic-bezier(.4, 0, .2, 1);
            --douyu-nav-height: 64px;
            --douyu-container-max: 1240px;
            --douyu-gutter: 1.5rem;
        }

        html {
            scroll-behavior: smooth;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
            font-size: 15px;
            line-height: 1.85;
            color: var(--douyu-text);
            background-color: var(--douyu-gray-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--douyu-nav-height);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--douyu-orange);
            text-decoration: none;
            transition: var(--douyu-transition);
        }

        a:hover {
            color: var(--douyu-orange-dark);
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            transition: var(--douyu-transition);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--douyu-orange);
            outline-offset: 2px;
        }

        .container-custom {
            max-width: var(--douyu-container-max);
            margin: 0 auto;
            padding-left: clamp(24px, 3vw, 40px);
            padding-right: clamp(24px, 3vw, 40px);
        }

        .section {
            padding: 72px 0;
        }

        .section-sm {
            padding: 52px 0;
        }

        .section-lg {
            padding: 92px 0;
        }

        .section-white {
            background: #fff;
        }

        .section-gray {
            background: var(--douyu-gray-bg);
        }

        .section-dark {
            background: var(--douyu-dark);
            color: #E8ECF0;
        }

        .section-orange-light {
            background: var(--douyu-orange-light);
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .06em;
            text-transform: uppercase;
            color: var(--douyu-orange);
            margin-bottom: 12px;
        }

        .eyebrow::before {
            content: '';
            display: inline-block;
            width: 20px;
            height: 2px;
            background: var(--douyu-orange);
            border-radius: 2px;
        }

        .eyebrow.is-centered::after {
            content: '';
            display: inline-block;
            width: 20px;
            height: 2px;
            background: var(--douyu-orange);
            border-radius: 2px;
        }

        .section-title {
            font-size: clamp(26px, 3vw, 34px);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
            color: var(--douyu-text);
        }

        .section-subtitle {
            font-size: 16px;
            line-height: 1.75;
            color: var(--douyu-text-light);
            margin-bottom: 36px;
            max-width: 700px;
        }

        .section-dark .section-title {
            color: #fff;
        }

        .section-dark .section-subtitle {
            color: #B8C4CE;
        }

        .text-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        .btn-douyu {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--douyu-radius-full);
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            border: none;
            cursor: pointer;
            transition: var(--douyu-transition);
            text-align: center;
            white-space: nowrap;
        }

        .btn-douyu-primary {
            background: var(--douyu-orange);
            color: #fff;
            box-shadow: 0 4px 16px rgba(255, 106, 20, 0.35);
        }

        .btn-douyu-primary:hover {
            background: var(--douyu-orange-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 106, 20, 0.45);
        }

        .btn-douyu-outline-dark {
            background: transparent;
            color: var(--douyu-text);
            border: 1.5px solid var(--douyu-gray-border);
        }

        .btn-douyu-outline-dark:hover {
            border-color: var(--douyu-orange);
            color: var(--douyu-orange);
        }

        .btn-douyu-outline-light {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.55);
        }

        .btn-douyu-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border-color: #fff;
        }

        /* Header / Nav */
        .site-header {
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--douyu-gray-border);
            height: var(--douyu-nav-height);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            transition: var(--douyu-transition);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 16px rgba(30, 42, 54, 0.08);
        }

        .navbar-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            height: var(--douyu-nav-height);
        }

        .navbar-logo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 700;
            color: var(--douyu-text);
            text-decoration: none;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .navbar-logo:hover {
            color: var(--douyu-text);
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--douyu-orange);
            color: #fff;
            border-radius: var(--douyu-radius-sm);
            font-size: 14px;
            flex-shrink: 0;
        }

        .logo-highlight {
            color: var(--douyu-orange);
        }

        .navbar-links {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 4px;
            flex-wrap: nowrap;
        }

        .navbar-links li a {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--douyu-text-light);
            border-radius: var(--douyu-radius-full);
            white-space: nowrap;
            transition: var(--douyu-transition);
        }

        .navbar-links li a:hover {
            color: var(--douyu-orange);
            background: var(--douyu-orange-light);
        }

        .navbar-links li a.active {
            color: var(--douyu-orange);
            background: var(--douyu-orange-light);
            font-weight: 600;
        }

        .navbar-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .search-box {
            display: flex;
            align-items: center;
            gap: 6px;
            background: var(--douyu-gray-bg);
            border: 1px solid var(--douyu-gray-border);
            border-radius: var(--douyu-radius-full);
            padding: 6px 14px;
            transition: var(--douyu-transition);
            cursor: text;
        }

        .search-box:focus-within {
            border-color: var(--douyu-orange);
            box-shadow: 0 0 0 0.2rem rgba(255, 106, 20, 0.15);
            background: #fff;
        }

        .search-box .search-icon {
            font-size: 13px;
            color: var(--douyu-text-muted);
        }

        .search-box input {
            border: none;
            background: transparent;
            font-size: 13px;
            color: var(--douyu-text);
            outline: none;
            width: 150px;
            padding: 0;
        }

        .search-box input::placeholder {
            color: var(--douyu-text-muted);
        }

        .btn-go-live {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            background: var(--douyu-orange);
            color: #fff;
            border-radius: var(--douyu-radius-full);
            font-size: 13px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            white-space: nowrap;
            transition: var(--douyu-transition);
        }

        .btn-go-live:hover {
            background: var(--douyu-orange-dark);
            color: #fff;
            transform: translateY(-1px);
        }

        .btn-nav-trigger {
            display: none;
            background: none;
            border: 1px solid var(--douyu-gray-border);
            border-radius: var(--douyu-radius-sm);
            padding: 8px 12px;
            color: var(--douyu-text);
            cursor: pointer;
            font-size: 16px;
        }

        /* Mobile nav drawer */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(30, 42, 54, 0.5);
            z-index: 1039;
            opacity: 0;
            transition: opacity .25s ease;
        }

        .mobile-nav-overlay.is-open {
            opacity: 1;
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--douyu-orange-light);
            border-bottom: 1px solid #FFE8D4;
            padding: 14px 0;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--douyu-text-muted);
            flex-wrap: wrap;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .breadcrumb-nav li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb-nav li a {
            color: var(--douyu-text-light);
        }

        .breadcrumb-nav li a:hover {
            color: var(--douyu-orange);
        }

        .breadcrumb-nav li.active {
            color: var(--douyu-orange);
            font-weight: 500;
        }

        /* Category Hero */
        .cat-hero {
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            position: relative;
            padding: 80px 0 64px;
            color: #fff;
            overflow: hidden;
        }

        .cat-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(30, 42, 54, 0.92) 0%, rgba(30, 42, 54, 0.75) 40%, rgba(255, 106, 20, 0.35) 100%);
            z-index: 1;
        }

        .cat-hero .container-custom {
            position: relative;
            z-index: 2;
        }

        .cat-hero-title {
            font-size: clamp(30px, 4vw, 44px);
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 16px;
            color: #fff;
        }

        .cat-hero-desc {
            font-size: 16px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.85);
            max-width: 620px;
            margin-bottom: 28px;
        }

        .cat-hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }

        .cat-hero-stat {
            display: flex;
            flex-direction: column;
        }

        .cat-hero-stat .stat-num {
            font-size: 28px;
            font-weight: 700;
            color: var(--douyu-yellow);
            line-height: 1.2;
        }

        .cat-hero-stat .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
        }

        /* Activity cards */
        .activity-card {
            background: #fff;
            border-radius: var(--douyu-radius-lg);
            overflow: hidden;
            border: 1px solid var(--douyu-gray-border);
            box-shadow: var(--douyu-shadow-sm);
            transition: var(--douyu-transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .activity-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--douyu-shadow-hover);
            border-color: var(--douyu-orange);
        }

        .activity-card-cover {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            position: relative;
            flex-shrink: 0;
        }

        .activity-card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

        .activity-card:hover .activity-card-cover img {
            transform: scale(1.03);
        }

        .activity-card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            background: rgba(255, 106, 20, 0.92);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            border-radius: var(--douyu-radius-full);
            backdrop-filter: blur(4px);
        }

        .activity-card-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .activity-card-date {
            font-size: 12px;
            color: var(--douyu-text-muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .activity-card-title {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 10px;
            color: var(--douyu-text);
        }

        .activity-card-desc {
            font-size: 14px;
            line-height: 1.75;
            color: var(--douyu-text-light);
            margin-bottom: 16px;
            flex-grow: 1;
        }

        .activity-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--douyu-orange);
            cursor: pointer;
        }

        .activity-card-link:hover {
            color: var(--douyu-orange-dark);
            gap: 10px;
        }

        /* Sidebar */
        .sidebar-card {
            background: #fff;
            border-radius: var(--douyu-radius-lg);
            border: 1px solid var(--douyu-gray-border);
            padding: 24px;
            margin-bottom: 24px;
            box-shadow: var(--douyu-shadow-sm);
        }

        .sidebar-card h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--douyu-text);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-card h4 i {
            color: var(--douyu-orange);
            font-size: 14px;
        }

        .sidebar-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .sidebar-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--douyu-gray-border);
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .sidebar-list li:last-child {
            border-bottom: none;
        }

        .sidebar-list li .rank-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 22px;
            height: 22px;
            background: var(--douyu-orange-light);
            color: var(--douyu-orange);
            font-size: 12px;
            font-weight: 700;
            border-radius: 6px;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .sidebar-list li a {
            font-size: 13px;
            color: var(--douyu-text-light);
            line-height: 1.5;
        }

        .sidebar-list li a:hover {
            color: var(--douyu-orange);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-cloud a {
            display: inline-flex;
            align-items: center;
            padding: 5px 14px;
            background: var(--douyu-gray-bg);
            border: 1px solid var(--douyu-gray-border);
            border-radius: var(--douyu-radius-full);
            font-size: 12px;
            color: var(--douyu-text-light);
            transition: var(--douyu-transition);
        }

        .tag-cloud a:hover {
            background: var(--douyu-orange-light);
            border-color: var(--douyu-orange);
            color: var(--douyu-orange);
        }

        .subscribe-box {
            background: var(--douyu-orange-light);
            border-radius: var(--douyu-radius-md);
            padding: 16px;
            text-align: center;
            margin-top: 12px;
        }

        .subscribe-box p {
            font-size: 13px;
            color: var(--douyu-text-light);
            margin-bottom: 12px;
        }

        .subscribe-box .btn {
            font-size: 13px;
            padding: 8px 18px;
        }

        /* Feature cards */
        .feature-card {
            background: #fff;
            border-radius: var(--douyu-radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--douyu-gray-border);
            box-shadow: var(--douyu-shadow-sm);
            height: 100%;
            transition: var(--douyu-transition);
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--douyu-shadow-hover);
            border-color: var(--douyu-orange);
        }

        .feature-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            background: var(--douyu-orange-light);
            color: var(--douyu-orange);
            border-radius: var(--douyu-radius-md);
            font-size: 20px;
            margin-bottom: 16px;
        }

        .feature-card h5 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--douyu-text);
        }

        .feature-card p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--douyu-text-light);
            margin-bottom: 0;
        }

        /* Steps */
        .step-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--douyu-gray-border);
        }

        .step-item:last-child {
            border-bottom: none;
        }

        .step-num {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--douyu-orange);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            border-radius: 50%;
            flex-shrink: 0;
        }

        .step-content h5 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--douyu-text);
        }

        .step-content p {
            font-size: 14px;
            color: var(--douyu-text-light);
            margin-bottom: 0;
            line-height: 1.75;
        }

        .step-content .step-badge {
            display: inline-block;
            padding: 2px 10px;
            background: var(--douyu-aqua-light);
            color: var(--douyu-aqua);
            border-radius: var(--douyu-radius-full);
            font-size: 12px;
            font-weight: 600;
            margin-top: 8px;
        }

        /* FAQ */
        .faq-accordion .accordion-item {
            border: 1px solid var(--douyu-gray-border);
            border-radius: 10px !important;
            margin-bottom: 12px;
            overflow: hidden;
            background: #fff;
        }

        .faq-accordion .accordion-button {
            background: #fff;
            color: var(--douyu-text);
            font-weight: 600;
            font-size: 15px;
            padding: 18px 20px;
            box-shadow: none;
            border-radius: 10px !important;
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            background: var(--douyu-orange-light);
            color: var(--douyu-orange-dark);
            box-shadow: none;
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 0.2rem rgba(255, 106, 20, 0.15);
        }

        .faq-accordion .accordion-button::after {
            filter: invert(55%) sepia(75%) saturate(3000%) hue-rotate(360deg);
        }

        .faq-accordion .accordion-body {
            background: var(--douyu-orange-light);
            color: var(--douyu-text-light);
            font-size: 14px;
            line-height: 1.75;
            padding: 16px 20px;
        }

        .faq-accordion .accordion-button .faq-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: var(--douyu-orange);
            border-radius: 50%;
            margin-right: 10px;
            flex-shrink: 0;
        }

        /* CTA */
        .cta-box {
            background: var(--douyu-dark);
            border-radius: var(--douyu-radius-lg);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255, 106, 20, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-box h3 {
            font-size: clamp(22px, 3vw, 30px);
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-box p {
            font-size: 15px;
            color: #B8C4CE;
            max-width: 500px;
            margin: 0 auto 24px;
        }

        .cta-box .btn {
            position: relative;
            z-index: 2;
        }

        /* Footer */
        .site-footer {
            background: var(--douyu-dark);
            color: #B8C4CE;
            padding: 56px 0 24px;
            font-size: 14px;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-brand .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            background: var(--douyu-orange);
            color: #fff;
            border-radius: 6px;
            font-size: 12px;
        }

        .site-footer p {
            font-size: 13px;
            line-height: 1.75;
            color: #8B98A5;
        }

        .site-footer h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-links li {
            margin-bottom: 8px;
        }

        .footer-links li a {
            font-size: 13px;
            color: #8B98A5;
            transition: var(--douyu-transition);
        }

        .footer-links li a:hover {
            color: var(--douyu-orange);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: #6B7A87;
        }

        .footer-bottom a {
            color: #6B7A87;
        }

        .footer-bottom a:hover {
            color: var(--douyu-orange);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .navbar-links {
                gap: 0;
            }

            .navbar-links li a {
                padding: 8px 10px;
                font-size: 13px;
            }

            .search-box input {
                width: 100px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            .navbar-links {
                display: none;
                position: absolute;
                top: var(--douyu-nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 12px 24px;
                border-bottom: 1px solid var(--douyu-gray-border);
                box-shadow: 0 8px 24px rgba(30, 42, 54, 0.12);
                z-index: 1050;
            }

            .navbar-links.is-open {
                display: flex;
            }

            .navbar-links li a {
                padding: 12px 16px;
                font-size: 15px;
                border-radius: var(--douyu-radius-sm);
                width: 100%;
            }

            .btn-nav-trigger {
                display: inline-flex;
            }

            .search-box {
                display: none;
            }

            .btn-go-live {
                padding: 8px 14px;
                font-size: 12px;
            }

            .section {
                padding: 48px 0;
            }

            .section-lg {
                padding: 64px 0;
            }

            .cat-hero {
                padding: 56px 0 44px;
            }

            .cat-hero-title {
                font-size: 26px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .btn-go-live span {
                display: none;
            }

            .btn-go-live {
                padding: 8px 10px;
            }

            .cat-hero-title {
                font-size: 22px;
            }

            .cat-hero-desc {
                font-size: 14px;
            }

            .cat-hero-stats {
                gap: 20px;
            }

            .activity-card-title {
                font-size: 15px;
            }

            .activity-card-desc {
                font-size: 13px;
            }

            .cta-box {
                padding: 32px 20px;
            }
        }