/* roulang page: index */
:root {
            --rf-bg-main: #0B0C10;
            --rf-bg-secondary: #14161D;
            --rf-bg-card: #1E222D;
            --rf-accent-red: #E50914;
            --rf-accent-purple: #A855F7;
            --rf-accent-cyan: #06B6D4;
            --rf-text-white: #F8FAFC;
            --rf-text-muted: #94A3B8;
            --rf-text-dim: #64748B;
            --rf-border-light: rgba(255, 255, 255, 0.08);
            --rf-border-hover: rgba(229, 9, 20, 0.4);
            --rf-radius-card: 14px;
            --rf-radius-btn: 8px;
            --rf-radius-pill: 30px;
            --rf-shadow-card: 0 10px 30px rgba(0, 0, 0, 0.45);
            --rf-shadow-glow: 0 12px 28px rgba(229, 9, 20, 0.25);
            --rf-gradient-primary: linear-gradient(135deg, #E50914 0%, #A855F7 100%);
        }

        /* 基础与排版重构 */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            background-color: var(--rf-bg-main);
            color: var(--rf-text-muted);
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            line-height: 1.75;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        h1, h2, h3, h4, h5, h6 {
            color: var(--rf-text-white);
            line-height: 1.35;
            font-weight: 700;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.25s ease;
        }
        a:hover {
            color: #ffffff;
        }

        /* 覆盖 Bootstrap 容器与间距 */
        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
        .section-gap {
            padding-top: clamp(60px, 8vw, 100px);
            padding-bottom: clamp(60px, 8vw, 100px);
        }
        .section-header {
            margin-bottom: 2.75rem;
        }
        .section-tagline {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--rf-accent-cyan);
            font-size: 0.875rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 0.6rem;
        }

        /* 深度定制导航 Header */
        .header-navbar {
            background: rgba(11, 12, 16, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--rf-border-light);
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: background-color 0.3s;
        }
        .site-brand {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--rf-text-white);
            display: flex;
            align-items: center;
            gap: 0.6rem;
            letter-spacing: -0.02em;
        }
        .site-brand i {
            color: var(--rf-accent-red);
            font-size: 1.6rem;
        }
        .site-nav-link {
            color: var(--rf-text-muted);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.5rem 1rem !important;
            border-radius: var(--rf-radius-btn);
        }
        .site-nav-link:hover, .site-nav-link.active {
            color: var(--rf-text-white);
            background: rgba(255, 255, 255, 0.05);
        }
        
        /* 深度定制按钮 */
        .btn-rf-primary {
            background: var(--rf-gradient-primary);
            color: #fff;
            font-weight: 600;
            padding: 0.65rem 1.6rem;
            border-radius: var(--rf-radius-btn);
            border: none;
            box-shadow: var(--rf-shadow-glow);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .btn-rf-primary:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 16px 32px rgba(229, 9, 20, 0.4);
        }
        .btn-rf-outline {
            background: transparent;
            color: var(--rf-text-white);
            border: 1px solid var(--rf-border-light);
            font-weight: 500;
            padding: 0.65rem 1.5rem;
            border-radius: var(--rf-radius-btn);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-rf-outline:hover {
            color: #fff;
            border-color: rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.05);
            transform: translateY(-2px);
        }

        /* Hero 拼团特惠与双入口 */
        .hero-billboard {
            position: relative;
            background-size: cover;
            background-position: center;
            padding: clamp(70px, 10vw, 130px) 0;
            border-bottom: 1px solid var(--rf-border-light);
            overflow: hidden;
        }
        .hero-billboard::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 12, 16, 0.88) 0%, rgba(11, 12, 16, 0.96) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
        }
        .group-pill-notice {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(229, 9, 20, 0.12);
            border: 1px solid rgba(229, 9, 20, 0.3);
            border-radius: var(--rf-radius-pill);
            padding: 0.4rem 1.1rem;
            color: #ff5b64;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
        }
        .group-pill-notice .pulse-dot {
            width: 8px;
            height: 8px;
            background: var(--rf-accent-red);
            border-radius: 50%;
            box-shadow: 0 0 10px var(--rf-accent-red);
        }

        /* 深度定制卡片系统 */
        .rf-card {
            background-color: var(--rf-bg-card);
            border: 1px solid var(--rf-border-light);
            border-radius: var(--rf-radius-card);
            padding: 1.75rem;
            box-shadow: var(--rf-shadow-card);
            transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .rf-card:hover {
            transform: translateY(-6px);
            border-color: var(--rf-border-hover);
            box-shadow: 0 16px 36px rgba(0, 0, 0, 0.6);
        }
        .rf-card-icon {
            width: 52px;
            height: 52px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--rf-border-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--rf-accent-red);
            margin-bottom: 1.25rem;
        }

        /* 海报图卡片 */
        .poster-card {
            background-color: var(--rf-bg-card);
            border-radius: var(--rf-radius-card);
            border: 1px solid var(--rf-border-light);
            overflow: hidden;
            transition: transform 0.25s, border-color 0.25s;
            position: relative;
        }
        .poster-card:hover {
            transform: translateY(-5px);
            border-color: rgba(255, 255, 255, 0.25);
        }
        .poster-thumb-wrap {
            position: relative;
            width: 100%;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #000;
        }
        .poster-thumb-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .poster-card:hover .poster-thumb-wrap img {
            transform: scale(1.05);
        }
        .poster-badge {
            position: absolute;
            top: 10px;
            right: 10px;
            background: rgba(0, 0, 0, 0.75);
            backdrop-filter: blur(8px);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 3px 8px;
            border-radius: 4px;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        .poster-quality {
            position: absolute;
            bottom: 10px;
            left: 10px;
            background: var(--rf-accent-red);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 800;
            padding: 2px 6px;
            border-radius: 4px;
        }

        /* 标签与徽章 */
        .badge-cyan {
            background: rgba(6, 182, 212, 0.12);
            color: var(--rf-accent-cyan);
            border: 1px solid rgba(6, 182, 212, 0.3);
            border-radius: 4px;
            font-size: 0.75rem;
            padding: 2px 8px;
        }

        /* 定价矩阵 */
        .pricing-card {
            background: var(--rf-bg-card);
            border: 1px solid var(--rf-border-light);
            border-radius: var(--rf-radius-card);
            padding: 2.25rem 2rem;
            position: relative;
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .pricing-card.popular {
            border: 2px solid var(--rf-accent-red);
            background: linear-gradient(180deg, #242938 0%, #171a23 100%);
            box-shadow: 0 16px 40px rgba(229, 9, 20, 0.2);
        }
        .popular-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--rf-gradient-primary);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: var(--rf-radius-pill);
            box-shadow: 0 4px 12px rgba(229, 9, 20, 0.4);
        }

        /* 播放界面演示容器 */
        .player-mock-wrapper {
            background: #050608;
            border: 1px solid var(--rf-border-light);
            border-radius: var(--rf-radius-card);
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
        }
        .player-mock-bar {
            background: #151821;
            padding: 10px 16px;
            display: flex;
            align-items: center;
            gap: 8px;
            border-bottom: 1px solid var(--rf-border-light);
        }
        .player-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
        }
        .player-mock-screen {
            position: relative;
            width: 100%;
            aspect-ratio: 16 / 9;
            background: #0b0c10;
        }
        .player-mock-screen img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.85;
        }
        .player-controls-overlay {
            position: absolute;
            bottom: 0;
            inset-inline: 0;
            padding: 16px;
            background: linear-gradient(0deg, rgba(0,0,0,0.95) 0%, transparent 100%);
        }
        .progress-bar-custom {
            height: 4px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 2px;
            margin-bottom: 12px;
            position: relative;
        }
        .progress-fill {
            width: 48%;
            height: 100%;
            background: var(--rf-accent-cyan);
            box-shadow: 0 0 10px var(--rf-accent-cyan);
        }

        /* 核心计数卡片 */
        .stat-box {
            background: var(--rf-bg-secondary);
            border: 1px solid var(--rf-border-light);
            border-radius: var(--rf-radius-card);
            padding: 2rem 1.5rem;
            text-align: center;
        }
        .stat-num {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--rf-text-white);
            margin-bottom: 0.25rem;
            background: linear-gradient(135deg, #fff 40%, var(--rf-accent-cyan) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        /* FAQ 手风琴样式覆盖 */
        .accordion-item {
            background-color: var(--rf-bg-card);
            border: 1px solid var(--rf-border-light);
            margin-bottom: 0.85rem;
            border-radius: var(--rf-radius-card) !important;
            overflow: hidden;
        }
        .accordion-button {
            background-color: var(--rf-bg-card);
            color: var(--rf-text-white);
            font-weight: 600;
            font-size: 1.05rem;
            box-shadow: none !important;
            padding: 1.25rem 1.5rem;
        }
        .accordion-button:not(.collapsed) {
            color: #ff5b64;
            background-color: rgba(229, 9, 20, 0.04);
            border-bottom: 1px solid var(--rf-border-light);
        }
        .accordion-button::after {
            filter: invert(1);
        }
        .accordion-body {
            color: var(--rf-text-muted);
            line-height: 1.8;
            padding: 1.25rem 1.5rem;
        }

        /* 页面底部与版权 */
        .footer-site {
            background-color: #07080b;
            border-top: 1px solid var(--rf-border-light);
            padding: 70px 0 30px;
            color: var(--rf-text-dim);
            font-size: 0.9rem;
        }
        .footer-col-title {
            color: var(--rf-text-white);
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 1.25rem;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 0.65rem;
        }
        .footer-links a:hover {
            color: var(--rf-accent-red);
        }
        .footer-bottom-bar {
            margin-top: 50px;
            padding-top: 25px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 15px;
        }

        /* 响应式微调 */
        @media (max-width: 991px) {
            .site-brand {
                font-size: 1.35rem;
            }
            .header-cta-group {
                margin-top: 1rem;
                display: flex;
                flex-direction: column;
                gap: 10px;
                width: 100%;
            }
            .header-cta-group .btn {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category2 */
:root {
      --rf-bg-main: #0B0C10;
      --rf-bg-secondary: #14161D;
      --rf-bg-card: #1E222D;
      --rf-accent-red: #E50914;
      --rf-accent-purple: #A855F7;
      --rf-accent-cyan: #06B6D4;
      --rf-text-white: #F8FAFC;
      --rf-text-muted: #94A3B8;
      --rf-text-dim: #64748B;
      --rf-border-light: rgba(255, 255, 255, 0.08);
      --rf-border-hover: rgba(229, 9, 20, 0.4);
      --rf-radius-card: 14px;
      --rf-radius-btn: 8px;
      --rf-radius-pill: 30px;
      --rf-shadow-card: 0 10px 30px rgba(0, 0, 0, 0.45);
      --rf-shadow-glow: 0 12px 28px rgba(229, 9, 20, 0.25);
      --rf-gradient-primary: linear-gradient(135deg, #E50914 0%, #A855F7 100%);
    }

    body {
      background-color: var(--rf-bg-main);
      color: var(--rf-text-muted);
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.25s ease;
    }
    a:hover {
      color: #ffffff;
    }

    .container-custom {
      max-width: 1280px;
      margin: 0 auto;
      padding-left: 1.25rem;
      padding-right: 1.25rem;
    }

    .section-gap {
      padding-top: clamp(50px, 6vw, 85px);
      padding-bottom: clamp(50px, 6vw, 85px);
    }

    .section-tagline {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--rf-accent-cyan);
      font-size: 0.875rem;
      font-weight: 600;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      margin-bottom: 0.6rem;
    }

    .section-title {
      font-size: clamp(1.6rem, 2.8vw, 2.2rem);
      font-weight: 800;
      color: var(--rf-text-white);
      margin-bottom: 0.75rem;
      letter-spacing: -0.01em;
    }

    .section-subtitle {
      color: var(--rf-text-muted);
      font-size: 1rem;
      margin-bottom: 2.25rem;
    }

    /* Header & Navigation */
    .header-navbar {
      background: rgba(11, 12, 16, 0.85);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--rf-border-light);
      position: sticky;
      top: 0;
      z-index: 1050;
    }
    .site-brand {
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--rf-text-white);
      display: flex;
      align-items: center;
      gap: 0.6rem;
      letter-spacing: -0.02em;
    }
    .site-brand i {
      color: var(--rf-accent-red);
      font-size: 1.6rem;
    }
    .site-nav-link {
      color: var(--rf-text-muted);
      font-weight: 500;
      font-size: 0.95rem;
      padding: 0.5rem 1rem !important;
      border-radius: var(--rf-radius-btn);
    }
    .site-nav-link:hover, .site-nav-link.active {
      color: var(--rf-text-white);
      background: rgba(255, 255, 255, 0.05);
    }

    /* Buttons */
    .btn-rf-primary {
      background: var(--rf-gradient-primary);
      color: #fff;
      font-weight: 600;
      padding: 0.65rem 1.6rem;
      border-radius: var(--rf-radius-btn);
      border: none;
      box-shadow: var(--rf-shadow-glow);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .btn-rf-primary:hover {
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 16px 32px rgba(229, 9, 20, 0.4);
    }
    .btn-rf-outline {
      background: transparent;
      color: var(--rf-text-white);
      border: 1px solid var(--rf-border-light);
      font-weight: 500;
      padding: 0.65rem 1.5rem;
      border-radius: var(--rf-radius-btn);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .btn-rf-outline:hover {
      color: #fff;
      border-color: rgba(255, 255, 255, 0.3);
      background: rgba(255, 255, 255, 0.05);
      transform: translateY(-2px);
    }

    /* Category Dashboard (Hero Blueprint: Creator Hub style) */
    .creator-hub-header {
      background: linear-gradient(180deg, #161822 0%, var(--rf-bg-main) 100%);
      border-bottom: 1px solid var(--rf-border-light);
      padding: clamp(45px, 6vw, 75px) 0 35px 0;
      position: relative;
    }
    .hub-profile-bar {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 1.5rem;
      background: var(--rf-bg-card);
      border: 1px solid var(--rf-border-light);
      border-radius: var(--rf-radius-card);
      padding: 1.8rem 2.2rem;
      box-shadow: var(--rf-shadow-card);
    }
    .hub-identity {
      display: flex;
      align-items: center;
      gap: 1.5rem;
    }
    .hub-avatar {
      width: 76px;
      height: 76px;
      border-radius: 50%;
      background: var(--rf-gradient-primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 2.2rem;
      color: #fff;
      box-shadow: 0 0 20px rgba(229, 9, 20, 0.4);
    }
    .hub-title h1 {
      font-size: clamp(1.4rem, 2.2vw, 1.85rem);
      color: var(--rf-text-white);
      font-weight: 800;
      margin: 0 0 0.35rem 0;
    }
    .hub-meta-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 0.6rem;
    }
    .hub-badge {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid var(--rf-border-light);
      color: var(--rf-accent-cyan);
      font-size: 0.8rem;
      font-weight: 600;
      padding: 0.2rem 0.75rem;
      border-radius: var(--rf-radius-pill);
    }
    .hub-stats {
      display: flex;
      align-items: center;
      gap: 2rem;
    }
    .stat-box {
      text-align: right;
    }
    .stat-val {
      font-size: 1.45rem;
      font-weight: 800;
      color: var(--rf-text-white);
      line-height: 1.2;
    }
    .stat-lbl {
      font-size: 0.8rem;
      color: var(--rf-text-dim);
    }

    /* Filter Chips */
    .filter-bar {
      margin-top: 1.75rem;
      display: flex;
      flex-wrap: wrap;
      gap: 0.85rem;
      align-items: center;
    }
    .filter-chip {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--rf-border-light);
      color: var(--rf-text-muted);
      padding: 0.4rem 1.1rem;
      border-radius: var(--rf-radius-pill);
      font-size: 0.88rem;
      font-weight: 500;
    }
    .filter-chip.active, .filter-chip:hover {
      background: var(--rf-accent-red);
      border-color: var(--rf-accent-red);
      color: #fff;
    }

    /* Main Poster Grid Cards */
    .rf-media-card {
      background: var(--rf-bg-card);
      border: 1px solid var(--rf-border-light);
      border-radius: var(--rf-radius-card);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      height: 100%;
      box-shadow: var(--rf-shadow-card);
      transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
    }
    .rf-media-card:hover {
      transform: translateY(-6px);
      border-color: var(--rf-border-hover);
      box-shadow: 0 16px 36px rgba(0, 0, 0, 0.6);
    }
    .media-thumb-box {
      position: relative;
      aspect-ratio: 16/10;
      overflow: hidden;
      background: #0f1015;
    }
    .media-thumb-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .rf-media-card:hover .media-thumb-box img {
      transform: scale(1.05);
    }
    .media-badge-top {
      position: absolute;
      top: 10px;
      right: 10px;
      background: rgba(11, 12, 16, 0.85);
      border: 1px solid var(--rf-border-light);
      backdrop-filter: blur(8px);
      color: var(--rf-accent-cyan);
      font-size: 0.75rem;
      font-weight: 700;
      padding: 0.2rem 0.6rem;
      border-radius: 4px;
    }
    .media-info-body {
      padding: 1.25rem;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .media-card-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--rf-text-white);
      margin-bottom: 0.4rem;
      line-height: 1.4;
    }
    .media-card-desc {
      font-size: 0.85rem;
      color: var(--rf-text-muted);
      margin-bottom: 1rem;
      flex-grow: 1;
      line-height: 1.6;
    }
    .media-card-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-top: 1px solid var(--rf-border-light);
      padding-top: 0.75rem;
      font-size: 0.8rem;
    }
    .media-score {
      color: #F59E0B;
      font-weight: 700;
      display: flex;
      align-items: center;
      gap: 4px;
    }

    /* Top 5 Rank List (Custom layout, not plain cards) */
    .top-rank-container {
      background: var(--rf-bg-secondary);
      border-radius: var(--rf-radius-card);
      border: 1px solid var(--rf-border-light);
      padding: 1.5rem;
    }
    .rank-row {
      display: flex;
      align-items: center;
      gap: 1.25rem;
      padding: 1rem 0;
      border-bottom: 1px solid var(--rf-border-light);
    }
    .rank-row:last-child {
      border-bottom: none;
      padding-bottom: 0.25rem;
    }
    .rank-number {
      font-size: 1.75rem;
      font-weight: 900;
      font-style: italic;
      width: 44px;
      text-align: center;
      color: var(--rf-text-dim);
    }
    .rank-1 .rank-number { color: #E50914; }
    .rank-2 .rank-number { color: #A855F7; }
    .rank-3 .rank-number { color: #06B6D4; }
    .rank-main-info {
      flex-grow: 1;
    }
    .rank-title {
      font-weight: 700;
      color: var(--rf-text-white);
      font-size: 1.05rem;
      margin-bottom: 0.2rem;
    }
    .rank-summary {
      font-size: 0.85rem;
      color: var(--rf-text-muted);
      margin-bottom: 0;
    }
    .rank-hot-tag {
      font-size: 0.8rem;
      color: #ff5b64;
      background: rgba(229, 9, 20, 0.1);
      padding: 0.25rem 0.7rem;
      border-radius: var(--rf-radius-pill);
      white-space: nowrap;
    }

    /* Feature Breakdown 3-col */
    .feature-point-card {
      background: var(--rf-bg-card);
      border: 1px solid var(--rf-border-light);
      border-radius: var(--rf-radius-card);
      padding: 2rem 1.75rem;
      height: 100%;
    }
    .feature-icon-box {
      width: 52px;
      height: 52px;
      border-radius: 12px;
      background: rgba(229, 9, 20, 0.15);
      color: var(--rf-accent-red);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      margin-bottom: 1.25rem;
    }
    .feature-title {
      color: var(--rf-text-white);
      font-weight: 700;
      font-size: 1.15rem;
      margin-bottom: 0.6rem;
    }

    /* Timeline Section */
    .timeline-wrap {
      position: relative;
      padding-left: 2rem;
      border-left: 2px solid var(--rf-border-light);
      margin-left: 1rem;
    }
    .timeline-item {
      position: relative;
      margin-bottom: 2rem;
    }
    .timeline-item:last-child {
      margin-bottom: 0;
    }
    .timeline-dot {
      position: absolute;
      left: -2.6rem;
      top: 4px;
      width: 14px;
      height: 14px;
      border-radius: 50%;
      background: var(--rf-accent-red);
      box-shadow: 0 0 10px var(--rf-accent-red);
    }
    .timeline-date {
      font-size: 0.8rem;
      color: var(--rf-accent-cyan);
      font-weight: 600;
      margin-bottom: 0.25rem;
    }
    .timeline-name {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--rf-text-white);
      margin-bottom: 0.35rem;
    }
    .timeline-text {
      font-size: 0.88rem;
      color: var(--rf-text-muted);
      margin: 0;
    }

    /* Dual Banner Feature */
    .topic-banner {
      background-size: cover;
      background-position: center;
      position: relative;
      border-radius: var(--rf-radius-card);
      border: 1px solid var(--rf-border-light);
      overflow: hidden;
      min-height: 240px;
      display: flex;
      align-items: flex-end;
      padding: 2rem;
    }
    .topic-banner::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(11, 12, 16, 0.2) 0%, rgba(11, 12, 16, 0.92) 100%);
    }
    .topic-content {
      position: relative;
      z-index: 2;
    }
    .topic-badge {
      background: var(--rf-gradient-primary);
      color: #fff;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 0.25rem 0.75rem;
      border-radius: 4px;
      margin-bottom: 0.6rem;
      display: inline-block;
    }
    .topic-title {
      font-size: 1.3rem;
      font-weight: 700;
      color: var(--rf-text-white);
      margin-bottom: 0.35rem;
    }

    /* Tech Config Specs Box */
    .specs-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 1.25rem;
    }
    .spec-item-box {
      background: var(--rf-bg-card);
      border: 1px solid var(--rf-border-light);
      border-radius: 10px;
      padding: 1.25rem;
    }
    .spec-label {
      color: var(--rf-accent-cyan);
      font-size: 0.82rem;
      font-weight: 600;
      margin-bottom: 0.35rem;
    }
    .spec-value {
      font-size: 1.05rem;
      color: var(--rf-text-white);
      font-weight: 700;
      margin-bottom: 0.25rem;
    }
    .spec-desc {
      font-size: 0.8rem;
      color: var(--rf-text-dim);
      margin: 0;
    }

    /* Community Sync Card */
    .community-box {
      background: linear-gradient(135deg, rgba(168, 85, 247, 0.12) 0%, rgba(229, 9, 20, 0.1) 100%);
      border: 1px solid rgba(168, 85, 247, 0.3);
      border-radius: var(--rf-radius-card);
      padding: 2.25rem;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 1.5rem;
    }

    /* Footer Custom */
    .footer-custom {
      background: #08090C;
      border-top: 1px solid var(--rf-border-light);
      padding-top: 4.5rem;
      padding-bottom: 2.5rem;
      font-size: 0.9rem;
    }
    .footer-brand-title {
      font-size: 1.4rem;
      font-weight: 800;
      color: var(--rf-text-white);
      display: flex;
      align-items: center;
    }
    .footer-heading {
      color: var(--rf-text-white);
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 1.25rem;
    }
    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-links li {
      margin-bottom: 0.65rem;
    }
    .footer-links a {
      color: var(--rf-text-muted);
    }
    .footer-links a:hover {
      color: #fff;
    }
    .footer-bottom {
      border-top: 1px solid var(--rf-border-light);
      padding-top: 1.75rem;
      margin-top: 3.5rem;
      font-size: 0.82rem;
      color: var(--rf-text-dim);
    }

    @media (max-width: 991px) {
      .hub-profile-bar {
        flex-direction: column;
        align-items: flex-start;
      }
      .hub-stats {
        width: 100%;
        justify-content: space-between;
      }
      .stat-box {
        text-align: left;
      }
    }

/* roulang page: category1 */
:root {
      --rf-bg-main: #0B0C10;
      --rf-bg-secondary: #14161D;
      --rf-bg-card: #1E222D;
      --rf-accent-red: #E50914;
      --rf-accent-purple: #A855F7;
      --rf-accent-cyan: #06B6D4;
      --rf-text-white: #F8FAFC;
      --rf-text-muted: #94A3B8;
      --rf-text-dim: #64748B;
      --rf-border-light: rgba(255, 255, 255, 0.08);
      --rf-border-hover: rgba(229, 9, 20, 0.4);
      --rf-radius-card: 14px;
      --rf-radius-btn: 8px;
      --rf-radius-pill: 30px;
      --rf-shadow-card: 0 10px 30px rgba(0, 0, 0, 0.45);
      --rf-shadow-glow: 0 12px 28px rgba(229, 9, 20, 0.25);
      --rf-gradient-primary: linear-gradient(135deg, #E50914 0%, #A855F7 100%);
    }

    body {
      background-color: var(--rf-bg-main);
      color: var(--rf-text-muted);
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.25s ease;
    }

    a:hover {
      color: #ffffff;
    }

    .container-custom {
      max-width: 1280px;
      margin: 0 auto;
      padding-left: 1.25rem;
      padding-right: 1.25rem;
    }

    .section-gap {
      padding-top: clamp(50px, 6vw, 85px);
      padding-bottom: clamp(50px, 6vw, 85px);
    }

    .section-header {
      margin-bottom: 2.25rem;
    }

    .section-tagline {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--rf-accent-cyan);
      font-size: 0.875rem;
      font-weight: 600;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      margin-bottom: 0.5rem;
    }

    .header-navbar {
      background: rgba(11, 12, 16, 0.92);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--rf-border-light);
      position: sticky;
      top: 0;
      z-index: 1050;
      transition: background-color 0.3s;
    }

    .site-brand {
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--rf-text-white);
      display: flex;
      align-items: center;
      gap: 0.6rem;
      letter-spacing: -0.02em;
    }

    .site-brand i {
      color: var(--rf-accent-red);
      font-size: 1.6rem;
    }

    .site-nav-link {
      color: var(--rf-text-muted);
      font-weight: 500;
      font-size: 0.95rem;
      padding: 0.5rem 1rem !important;
      border-radius: var(--rf-radius-btn);
    }

    .site-nav-link:hover, .site-nav-link.active {
      color: var(--rf-text-white);
      background: rgba(255, 255, 255, 0.05);
    }

    .btn-rf-primary {
      background: var(--rf-gradient-primary);
      color: #fff;
      font-weight: 600;
      padding: 0.65rem 1.6rem;
      border-radius: var(--rf-radius-btn);
      border: none;
      box-shadow: var(--rf-shadow-glow);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: transform 0.2s, box-shadow 0.2s;
    }

    .btn-rf-primary:hover {
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 16px 32px rgba(229, 9, 20, 0.4);
    }

    .btn-rf-outline {
      background: transparent;
      color: var(--rf-text-white);
      border: 1px solid var(--rf-border-light);
      font-weight: 500;
      padding: 0.65rem 1.5rem;
      border-radius: var(--rf-radius-btn);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-rf-outline:hover {
      color: #fff;
      border-color: rgba(255, 255, 255, 0.3);
      background: rgba(255, 255, 255, 0.05);
      transform: translateY(-2px);
    }

    /* 分类仪表盘专属样式 */
    .cat-dashboard-header {
      position: relative;
      background: linear-gradient(180deg, #14161D 0%, #0B0C10 100%);
      border-bottom: 1px solid var(--rf-border-light);
      padding: clamp(40px, 6vw, 70px) 0 35px;
    }

    .cat-filter-wrapper {
      background: var(--rf-bg-card);
      border: 1px solid var(--rf-border-light);
      border-radius: var(--rf-radius-card);
      padding: 1.25rem 1.5rem;
      margin-top: 1.75rem;
    }

    .filter-row {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 10px;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    }

    .filter-row:last-child {
      border-bottom: none;
    }

    .filter-label {
      color: var(--rf-text-dim);
      font-size: 0.85rem;
      font-weight: 600;
      min-width: 75px;
    }

    .filter-badge {
      display: inline-block;
      padding: 4px 12px;
      font-size: 0.85rem;
      color: var(--rf-text-muted);
      border-radius: var(--rf-radius-pill);
      background: rgba(255, 255, 255, 0.03);
      cursor: pointer;
      transition: all 0.2s;
    }

    .filter-badge:hover, .filter-badge.active {
      background: var(--rf-accent-red);
      color: #ffffff;
    }

    /* 海报卡片网格 */
    .media-card {
      background: var(--rf-bg-card);
      border: 1px solid var(--rf-border-light);
      border-radius: var(--rf-radius-card);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      height: 100%;
      box-shadow: var(--rf-shadow-card);
      transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
    }

    .media-card:hover {
      transform: translateY(-6px);
      border-color: var(--rf-border-hover);
      box-shadow: 0 16px 36px rgba(229, 9, 20, 0.2);
    }

    .poster-box {
      position: relative;
      aspect-ratio: 16 / 10;
      overflow: hidden;
      background: #0f1118;
    }

    .poster-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .media-card:hover .poster-box img {
      transform: scale(1.05);
    }

    .badge-spec {
      position: absolute;
      top: 10px;
      left: 10px;
      background: rgba(11, 12, 16, 0.75);
      backdrop-filter: blur(8px);
      color: var(--rf-accent-cyan);
      font-size: 0.75rem;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 4px;
      border: 1px solid rgba(6, 182, 212, 0.3);
    }

    .badge-ep {
      position: absolute;
      bottom: 10px;
      right: 10px;
      background: rgba(229, 9, 20, 0.85);
      color: #ffffff;
      font-size: 0.75rem;
      font-weight: 600;
      padding: 2px 8px;
      border-radius: 4px;
    }

    .media-info {
      padding: 1.25rem;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .media-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--rf-text-white);
      margin-bottom: 0.4rem;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .media-meta {
      font-size: 0.825rem;
      color: var(--rf-text-dim);
      display: flex;
      justify-content: space-between;
      margin-bottom: 0.75rem;
    }

    .media-desc {
      font-size: 0.875rem;
      color: var(--rf-text-muted);
      line-height: 1.6;
      margin-bottom: 1rem;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    /* 高分排序列条 */
    .rank-item {
      background: var(--rf-bg-card);
      border: 1px solid var(--rf-border-light);
      border-radius: var(--rf-radius-card);
      padding: 1.25rem;
      display: flex;
      align-items: center;
      gap: 1.25rem;
      transition: transform 0.2s, border-color 0.2s;
    }

    .rank-item:hover {
      transform: translateX(4px);
      border-color: rgba(168, 85, 247, 0.4);
    }

    .rank-number {
      font-size: 2rem;
      font-weight: 900;
      min-width: 45px;
      text-align: center;
      line-height: 1;
      font-style: italic;
    }

    .rank-1 { color: #f59e0b; text-shadow: 0 0 12px rgba(245, 158, 11, 0.4); }
    .rank-2 { color: #94a3b8; }
    .rank-3 { color: #b45309; }
    .rank-other { color: var(--rf-text-dim); }

    /* 时间线列表 */
    .timeline-container {
      border-left: 2px solid rgba(229, 9, 20, 0.3);
      margin-left: 1rem;
      padding-left: 1.5rem;
      display: flex;
      flex-direction: column;
      gap: 1.5rem;
    }

    .timeline-node {
      position: relative;
    }

    .timeline-node::before {
      content: "";
      position: absolute;
      left: -1.95rem;
      top: 6px;
      width: 14px;
      height: 14px;
      border-radius: 50%;
      background: var(--rf-bg-main);
      border: 3px solid var(--rf-accent-red);
    }

    /* 播放参数卡片 */
    .config-box {
      background: #14161d;
      border: 1px solid var(--rf-border-light);
      border-radius: var(--rf-radius-card);
      padding: 1.75rem;
      height: 100%;
    }

    .config-box i {
      font-size: 1.8rem;
      color: var(--rf-accent-cyan);
      margin-bottom: 1rem;
    }

    /* 页脚样式 */
    .footer-custom {
      background: #08090C;
      border-top: 1px solid var(--rf-border-light);
      padding-top: clamp(50px, 7vw, 80px);
      padding-bottom: 30px;
    }

    .footer-brand-title {
      font-size: 1.4rem;
      font-weight: 800;
      color: var(--rf-text-white);
    }

    .footer-heading {
      color: var(--rf-text-white);
      font-size: 0.95rem;
      font-weight: 700;
      margin-bottom: 1.25rem;
      letter-spacing: 0.04em;
    }

    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
      display: flex;
      flex-direction: column;
      gap: 0.65rem;
    }

    .footer-links a {
      color: var(--rf-text-muted);
      font-size: 0.875rem;
    }

    .footer-links a:hover {
      color: var(--rf-accent-red);
      padding-left: 4px;
    }

    .hover-white:hover {
      color: #fff !important;
    }

    /* 响应式调整 */
    @media (max-width: 991px) {
      .header-cta-group {
        margin-top: 1rem;
        flex-direction: column;
        align-items: stretch !important;
      }
      .filter-row {
        gap: 6px;
      }
    }

/* roulang page: category3 */
:root {
      --rf-bg-main: #0B0C10;
      --rf-bg-secondary: #14161D;
      --rf-bg-card: #1E222D;
      --rf-accent-red: #E50914;
      --rf-accent-purple: #A855F7;
      --rf-accent-cyan: #06B6D4;
      --rf-text-white: #F8FAFC;
      --rf-text-muted: #94A3B8;
      --rf-text-dim: #64748B;
      --rf-border-light: rgba(255, 255, 255, 0.08);
      --rf-border-hover: rgba(229, 9, 20, 0.4);
      --rf-radius-card: 14px;
      --rf-radius-btn: 8px;
      --rf-radius-pill: 30px;
      --rf-shadow-card: 0 10px 30px rgba(0, 0, 0, 0.45);
      --rf-shadow-glow: 0 12px 28px rgba(229, 9, 20, 0.25);
      --rf-gradient-primary: linear-gradient(135deg, #E50914 0%, #A855F7 100%);
    }

    body {
      background-color: var(--rf-bg-main);
      color: var(--rf-text-muted);
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.25s ease;
    }

    a:hover {
      color: #ffffff;
    }

    .container-custom {
      max-width: 1280px;
      margin: 0 auto;
      padding-left: 1.25rem;
      padding-right: 1.25rem;
    }

    .section-gap {
      padding-top: clamp(48px, 6vw, 80px);
      padding-bottom: clamp(48px, 6vw, 80px);
    }

    .section-header {
      margin-bottom: 2.25rem;
    }

    .section-tagline {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--rf-accent-cyan);
      font-size: 0.875rem;
      font-weight: 600;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      margin-bottom: 0.5rem;
    }

    .section-title {
      color: var(--rf-text-white);
      font-size: clamp(1.6rem, 3vw, 2.2rem);
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 0.75rem;
    }

    .header-navbar {
      background: rgba(11, 12, 16, 0.85);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--rf-border-light);
      position: sticky;
      top: 0;
      z-index: 1050;
      transition: background-color 0.3s;
    }

    .site-brand {
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--rf-text-white);
      display: flex;
      align-items: center;
      gap: 0.6rem;
      letter-spacing: -0.02em;
    }

    .site-brand i {
      color: var(--rf-accent-red);
      font-size: 1.6rem;
    }

    .site-nav-link {
      color: var(--rf-text-muted);
      font-weight: 500;
      font-size: 0.95rem;
      padding: 0.5rem 1rem !important;
      border-radius: var(--rf-radius-btn);
    }

    .site-nav-link:hover, .site-nav-link.active {
      color: var(--rf-text-white);
      background: rgba(255, 255, 255, 0.05);
    }

    .btn-rf-primary {
      background: var(--rf-gradient-primary);
      color: #fff;
      font-weight: 600;
      padding: 0.65rem 1.6rem;
      border-radius: var(--rf-radius-btn);
      border: none;
      box-shadow: var(--rf-shadow-glow);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: transform 0.2s, box-shadow 0.2s;
    }

    .btn-rf-primary:hover {
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 16px 32px rgba(229, 9, 20, 0.4);
    }

    .btn-rf-outline {
      background: transparent;
      color: var(--rf-text-white);
      border: 1px solid var(--rf-border-light);
      font-weight: 500;
      padding: 0.65rem 1.5rem;
      border-radius: var(--rf-radius-btn);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-rf-outline:hover {
      color: #fff;
      border-color: rgba(255, 255, 255, 0.3);
      background: rgba(255, 255, 255, 0.05);
      transform: translateY(-2px);
    }

    /* 分类首屏紧凑仪表盘 */
    .category-dashboard {
      background: linear-gradient(180deg, #14161D 0%, #0B0C10 100%);
      border-bottom: 1px solid var(--rf-border-light);
      padding: clamp(36px, 5vw, 60px) 0 30px;
    }

    .dashboard-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(168, 85, 247, 0.15);
      border: 1px solid rgba(168, 85, 247, 0.35);
      color: #d8b4fe;
      font-size: 0.825rem;
      font-weight: 600;
      padding: 4px 14px;
      border-radius: var(--rf-radius-pill);
      margin-bottom: 1rem;
    }

    .dashboard-filter-bar {
      background: var(--rf-bg-card);
      border: 1px solid var(--rf-border-light);
      border-radius: var(--rf-radius-card);
      padding: 1.25rem 1.5rem;
      margin-top: 2rem;
    }

    .filter-group {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 0.5rem 1rem;
    }

    .filter-label {
      color: var(--rf-text-dim);
      font-size: 0.85rem;
      font-weight: 600;
      min-width: 68px;
    }

    .filter-item {
      color: var(--rf-text-muted);
      font-size: 0.85rem;
      padding: 3px 12px;
      border-radius: 6px;
      background: rgba(255, 255, 255, 0.03);
      transition: all 0.2s ease;
    }

    .filter-item:hover, .filter-item.active {
      color: #fff;
      background: rgba(229, 9, 20, 0.2);
      border-color: rgba(229, 9, 20, 0.4);
    }

    /* 海报卡片阵列 */
    .media-card {
      background: var(--rf-bg-card);
      border: 1px solid var(--rf-border-light);
      border-radius: var(--rf-radius-card);
      overflow: hidden;
      transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
      height: 100%;
      display: flex;
      flex-direction: column;
    }

    .media-card:hover {
      transform: translateY(-6px);
      border-color: var(--rf-border-hover);
      box-shadow: var(--rf-shadow-glow);
    }

    .media-poster-wrap {
      position: relative;
      aspect-ratio: 16/10;
      overflow: hidden;
      background: #11131a;
    }

    .media-poster-img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .media-card:hover .media-poster-img {
      transform: scale(1.05);
    }

    .media-badge-top {
      position: absolute;
      top: 10px;
      right: 10px;
      background: rgba(11, 12, 16, 0.8);
      backdrop-filter: blur(8px);
      color: var(--rf-accent-cyan);
      font-size: 0.75rem;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 4px;
      border: 1px solid rgba(6, 182, 212, 0.3);
    }

    .media-badge-bottom {
      position: absolute;
      bottom: 10px;
      left: 10px;
      background: rgba(229, 9, 20, 0.85);
      color: #fff;
      font-size: 0.72rem;
      font-weight: 600;
      padding: 2px 7px;
      border-radius: 4px;
    }

    .media-body {
      padding: 1.2rem;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .media-title {
      color: var(--rf-text-white);
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 0.4rem;
      line-height: 1.4;
    }

    .media-meta {
      font-size: 0.8rem;
      color: var(--rf-text-dim);
      margin-bottom: 0.8rem;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .media-desc {
      font-size: 0.85rem;
      color: var(--rf-text-muted);
      line-height: 1.6;
      margin-bottom: 1.2rem;
      flex-grow: 1;
    }

    .media-footer {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px solid var(--rf-border-light);
      padding-top: 0.85rem;
    }

    .media-score {
      color: #fbbf24;
      font-size: 0.85rem;
      font-weight: 700;
      display: flex;
      align-items: center;
      gap: 4px;
    }

    /* 横向排行榜 Top 5 */
    .top-rank-container {
      background: var(--rf-bg-secondary);
      border: 1px solid var(--rf-border-light);
      border-radius: var(--rf-radius-card);
      padding: 1.5rem;
    }

    .rank-row-item {
      display: flex;
      align-items: center;
      padding: 1rem 0;
      border-bottom: 1px solid var(--rf-border-light);
      transition: background-color 0.2s;
    }

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

    .rank-number {
      font-size: 1.4rem;
      font-weight: 900;
      width: 45px;
      height: 45px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 8px;
      margin-right: 1.25rem;
      flex-shrink: 0;
    }

    .rank-top1 { background: rgba(229, 9, 20, 0.2); color: var(--rf-accent-red); border: 1px solid rgba(229, 9, 20, 0.4); }
    .rank-top2 { background: rgba(168, 85, 247, 0.2); color: var(--rf-accent-purple); border: 1px solid rgba(168, 85, 247, 0.4); }
    .rank-top3 { background: rgba(6, 182, 212, 0.2); color: var(--rf-accent-cyan); border: 1px solid rgba(6, 182, 212, 0.4); }
    .rank-normal { background: rgba(255, 255, 255, 0.05); color: var(--rf-text-dim); }

    .rank-info {
      flex-grow: 1;
    }

    .rank-title {
      color: var(--rf-text-white);
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 0.25rem;
    }

    .rank-desc {
      font-size: 0.825rem;
      color: var(--rf-text-dim);
    }

    .rank-action {
      flex-shrink: 0;
      margin-left: 1rem;
    }

    /* 特色看点三栏解构 */
    .feature-point-card {
      background: var(--rf-bg-card);
      border: 1px solid var(--rf-border-light);
      border-radius: var(--rf-radius-card);
      padding: 1.75rem;
      height: 100%;
      position: relative;
    }

    .feature-icon-box {
      width: 48px;
      height: 48px;
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.35rem;
      margin-bottom: 1.25rem;
    }

    /* 时间线入库速递 */
    .timeline-wrap {
      position: relative;
      padding-left: 2rem;
      border-left: 2px dashed rgba(255, 255, 255, 0.15);
    }

    .timeline-node {
      position: relative;
      margin-bottom: 2rem;
    }

    .timeline-node:last-child {
      margin-bottom: 0;
    }

    .timeline-dot {
      position: absolute;
      left: -2.4rem;
      top: 4px;
      width: 14px;
      height: 14px;
      border-radius: 50%;
      background: var(--rf-accent-cyan);
      border: 3px solid var(--rf-bg-main);
      box-shadow: 0 0 10px var(--rf-accent-cyan);
    }

    .timeline-content-box {
      background: var(--rf-bg-card);
      border: 1px solid var(--rf-border-light);
      border-radius: var(--rf-radius-card);
      padding: 1.2rem 1.5rem;
    }

    /* 播放环境配置卡 */
    .tuning-card {
      background: linear-gradient(135deg, rgba(30, 34, 45, 0.95) 0%, rgba(20, 22, 29, 0.95) 100%);
      border: 1px solid var(--rf-border-light);
      border-radius: var(--rf-radius-card);
      padding: 1.75rem;
      height: 100%;
    }

    .tuning-step {
      display: flex;
      gap: 1rem;
      align-items: flex-start;
      margin-bottom: 1.25rem;
    }

    .tuning-step-idx {
      width: 28px;
      height: 28px;
      background: rgba(229, 9, 20, 0.15);
      color: var(--rf-accent-red);
      font-weight: 700;
      font-size: 0.85rem;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    /* 社区交流卡 */
    .community-box {
      background: radial-gradient(circle at top right, rgba(168, 85, 247, 0.15), transparent 60%), var(--rf-bg-card);
      border: 1px solid rgba(168, 85, 247, 0.25);
      border-radius: var(--rf-radius-card);
      padding: 2.5rem 2rem;
    }

    /* 统一页脚样式 */
    .footer-custom {
      background-color: #07080b;
      border-top: 1px solid var(--rf-border-light);
      padding: clamp(50px, 7vw, 80px) 0 30px;
    }

    .footer-brand-title {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--rf-text-white);
      display: flex;
      align-items: center;
    }

    .footer-heading {
      color: var(--rf-text-white);
      font-size: 0.95rem;
      font-weight: 700;
      margin-bottom: 1.25rem;
    }

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

    .footer-links li {
      margin-bottom: 0.65rem;
    }

    .footer-links a {
      color: var(--rf-text-dim);
      font-size: 0.875rem;
      transition: color 0.2s;
    }

    .footer-links a:hover {
      color: var(--rf-text-white);
    }

    .hover-white:hover {
      color: #fff !important;
    }

    .footer-bottom-bar {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 1.5rem;
      margin-top: 3rem;
      font-size: 0.8rem;
      color: var(--rf-text-dim);
    }

    @media (max-width: 991.98px) {
      .header-cta-group {
        margin-top: 1rem;
        flex-direction: column;
        align-items: stretch !important;
      }
      .filter-group {
        gap: 0.4rem 0.6rem;
      }
    }

/* roulang page: category4 */
:root {
  --rf-bg-main: #0B0C10;
  --rf-bg-secondary: #14161D;
  --rf-bg-card: #1E222D;
  --rf-accent-red: #E50914;
  --rf-accent-purple: #A855F7;
  --rf-accent-cyan: #06B6D4;
  --rf-text-white: #F8FAFC;
  --rf-text-muted: #94A3B8;
  --rf-text-dim: #64748B;
  --rf-border-light: rgba(255, 255, 255, 0.08);
  --rf-border-hover: rgba(229, 9, 20, 0.4);
  --rf-radius-card: 14px;
  --rf-radius-btn: 8px;
  --rf-radius-pill: 30px;
  --rf-shadow-card: 0 10px 30px rgba(0, 0, 0, 0.45);
  --rf-shadow-glow: 0 12px 28px rgba(229, 9, 20, 0.25);
  --rf-gradient-primary: linear-gradient(135deg, #E50914 0%, #A855F7 100%);
}
body {
  background-color: var(--rf-bg-main);
  color: var(--rf-text-muted);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
  transition: all 0.25s ease;
}
a:hover {
  color: #ffffff;
}
.container-custom {
  max-width: 1280px;
  margin: 0 auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}
.section-gap {
  padding-top: clamp(50px, 6vw, 85px);
  padding-bottom: clamp(50px, 6vw, 85px);
}
.section-header {
  margin-bottom: 2.25rem;
}
.section-tagline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--rf-accent-cyan);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.header-navbar {
  background: rgba(11, 12, 16, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--rf-border-light);
  position: sticky;
  top: 0;
  z-index: 1050;
  transition: background-color 0.3s;
}
.site-brand {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--rf-text-white);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  letter-spacing: -0.02em;
}
.site-brand i {
  color: var(--rf-accent-red);
  font-size: 1.6rem;
}
.site-nav-link {
  color: var(--rf-text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 1rem !important;
  border-radius: var(--rf-radius-btn);
}
.site-nav-link:hover, .site-nav-link.active {
  color: var(--rf-text-white);
  background: rgba(255, 255, 255, 0.06);
}
.btn-rf-primary {
  background: var(--rf-gradient-primary);
  color: #fff;
  font-weight: 600;
  padding: 0.65rem 1.6rem;
  border-radius: var(--rf-radius-btn);
  border: none;
  box-shadow: var(--rf-shadow-glow);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.btn-rf-primary:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(229, 9, 20, 0.4);
}
.btn-rf-outline {
  background: transparent;
  color: var(--rf-text-white);
  border: 1px solid var(--rf-border-light);
  font-weight: 500;
  padding: 0.65rem 1.5rem;
  border-radius: var(--rf-radius-btn);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-rf-outline:hover {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-2px);
}
.cat-dashboard-header {
  background: linear-gradient(180deg, #14161D 0%, #0B0C10 100%);
  border-bottom: 1px solid var(--rf-border-light);
  padding: clamp(40px, 6vw, 70px) 0 35px 0;
}
.cat-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(229, 9, 20, 0.12);
  border: 1px solid rgba(229, 9, 20, 0.3);
  border-radius: var(--rf-radius-pill);
  padding: 0.35rem 1rem;
  color: #ff5b64;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1rem;
}
.cat-h1 {
  font-size: clamp(1.85rem, 3.2vw, 2.65rem);
  font-weight: 800;
  color: var(--rf-text-white);
  line-height: 1.25;
  margin-bottom: 1rem;
}
.cat-sub-desc {
  font-size: 1.02rem;
  color: var(--rf-text-muted);
  max-width: 860px;
  margin-bottom: 1.75rem;
}
.filter-bar-box {
  background: var(--rf-bg-card);
  border: 1px solid var(--rf-border-light);
  border-radius: 12px;
  padding: 1rem 1.25rem;
}
.filter-group-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.filter-title {
  color: var(--rf-accent-cyan);
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
}
.filter-btn {
  font-size: 0.82rem;
  padding: 0.3rem 0.85rem;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--rf-text-muted);
  border: 1px solid transparent;
  transition: all 0.2s ease;
}
.filter-btn:hover, .filter-btn.active {
  background: rgba(229, 9, 20, 0.18);
  color: var(--rf-text-white);
  border-color: rgba(229, 9, 20, 0.4);
}
.rf-poster-card {
  background-color: var(--rf-bg-card);
  border: 1px solid var(--rf-border-light);
  border-radius: var(--rf-radius-card);
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.rf-poster-card:hover {
  transform: translateY(-6px);
  border-color: var(--rf-border-hover);
  box-shadow: var(--rf-shadow-glow);
}
.poster-wrapper {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: #0f1118;
}
.poster-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.rf-poster-card:hover .poster-wrapper img {
  transform: scale(1.05);
}
.poster-overlay-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(11, 12, 16, 0.82);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--rf-accent-cyan);
}
.poster-duration-badge {
  position: absolute;
  bottom: 10px;
  left: 10px;
  background: rgba(0, 0, 0, 0.75);
  font-size: 0.72rem;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  color: #fff;
}
.poster-body {
  padding: 1.15rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}
.poster-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--rf-text-white);
  margin-bottom: 0.45rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.poster-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 0.75rem;
}
.poster-tag-item {
  font-size: 0.72rem;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--rf-text-dim);
}
.poster-meta {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 0.75rem;
  font-size: 0.8rem;
}
.poster-score {
  color: #ffb703;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 4px;
}
.btn-play-sm {
  background: rgba(229, 9, 20, 0.15);
  color: #ff5b64;
  border: 1px solid rgba(229, 9, 20, 0.3);
  padding: 0.25rem 0.75rem;
  font-size: 0.78rem;
  border-radius: 6px;
  font-weight: 600;
  transition: all 0.2s;
}
.btn-play-sm:hover {
  background: var(--rf-accent-red);
  color: #fff;
  border-color: var(--rf-accent-red);
}
.rank-list-card {
  background: var(--rf-bg-secondary);
  border: 1px solid var(--rf-border-light);
  border-radius: var(--rf-radius-card);
  padding: 1.25rem;
}
.rank-row-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}
.rank-row-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.rank-num {
  font-size: 1.35rem;
  font-weight: 900;
  font-style: italic;
  width: 2rem;
  text-align: center;
}
.rank-top1 { color: #f59e0b; }
.rank-top2 { color: #94a3b8; }
.rank-top3 { color: #b45309; }
.rank-top-other { color: var(--rf-text-dim); }
.feature-box-cinema {
  background: var(--rf-bg-card);
  border: 1px solid var(--rf-border-light);
  border-radius: 12px;
  padding: 1.75rem;
  height: 100%;
  position: relative;
  transition: transform 0.25s ease;
}
.feature-box-cinema:hover {
  transform: translateY(-4px);
  border-color: rgba(6, 182, 212, 0.4);
}
.feature-icon-circle {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: rgba(6, 182, 212, 0.1);
  color: var(--rf-accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 1.2rem;
}
.timeline-stepper {
  position: relative;
  padding-left: 1.75rem;
}
.timeline-stepper::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: rgba(255, 255, 255, 0.08);
}
.timeline-step-item {
  position: relative;
  margin-bottom: 1.75rem;
}
.timeline-step-item:last-child {
  margin-bottom: 0;
}
.timeline-dot {
  position: absolute;
  left: -1.75rem;
  top: 5px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--rf-bg-main);
  border: 3px solid var(--rf-accent-red);
}
.tech-spec-badge {
  display: inline-block;
  background: rgba(168, 85, 247, 0.12);
  color: #c084fc;
  border: 1px solid rgba(168, 85, 247, 0.3);
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  margin-bottom: 0.5rem;
}
.community-banner-card {
  background: radial-gradient(circle at right center, rgba(168, 85, 247, 0.15) 0%, rgba(20, 22, 29, 0.95) 70%);
  border: 1px solid rgba(168, 85, 247, 0.25);
  border-radius: var(--rf-radius-card);
  padding: clamp(2rem, 4vw, 3rem);
}
.footer-custom {
  background: #08090C;
  border-top: 1px solid var(--rf-border-light);
  padding-top: clamp(50px, 7vw, 80px);
  padding-bottom: 30px;
}
.footer-brand-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--rf-text-white);
  display: flex;
  align-items: center;
}
.footer-heading {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--rf-text-white);
  margin-bottom: 1.25rem;
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li {
  margin-bottom: 0.65rem;
}
.footer-links a {
  color: var(--rf-text-muted);
  font-size: 0.88rem;
}
.footer-links a:hover {
  color: var(--rf-text-white);
  padding-left: 3px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 1.75rem;
  margin-top: 3rem;
  font-size: 0.82rem;
  color: var(--rf-text-dim);
}
@media (max-width: 991.98px) {
  .header-cta-group {
    flex-direction: column;
    width: 100%;
    margin-top: 1rem;
    gap: 0.5rem !important;
  }
  .header-cta-group .btn {
    width: 100%;
    justify-content: center;
  }
}

/* roulang page: category5 */
:root {
        --rf-bg-main: #0B0C10;
        --rf-bg-secondary: #14161D;
        --rf-bg-card: #1E222D;
        --rf-accent-red: #E50914;
        --rf-accent-purple: #A855F7;
        --rf-accent-cyan: #06B6D4;
        --rf-text-white: #F8FAFC;
        --rf-text-muted: #94A3B8;
        --rf-text-dim: #64748B;
        --rf-border-light: rgba(255, 255, 255, 0.08);
        --rf-border-hover: rgba(229, 9, 20, 0.4);
        --rf-radius-card: 14px;
        --rf-radius-btn: 8px;
        --rf-radius-pill: 30px;
        --rf-shadow-card: 0 10px 30px rgba(0, 0, 0, 0.45);
        --rf-shadow-glow: 0 12px 28px rgba(229, 9, 20, 0.25);
        --rf-gradient-primary: linear-gradient(135deg, #E50914 0%, #A855F7 100%);
    }

    body {
        background-color: var(--rf-bg-main);
        color: var(--rf-text-muted);
        font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        line-height: 1.75;
        overflow-x: hidden;
        -webkit-font-smoothing: antialiased;
    }

    a {
        color: inherit;
        text-decoration: none;
        transition: all 0.25s ease;
    }
    a:hover {
        color: #ffffff;
    }

    .container-custom {
        max-width: 1280px;
        margin: 0 auto;
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }

    .section-gap {
        padding-top: clamp(50px, 6vw, 80px);
        padding-bottom: clamp(50px, 6vw, 80px);
    }

    .section-header {
        margin-bottom: 2.5rem;
    }

    .section-tagline {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        color: var(--rf-accent-cyan);
        font-size: 0.875rem;
        font-weight: 600;
        letter-spacing: 0.08em;
        text-transform: uppercase;
        margin-bottom: 0.6rem;
    }

    /* 顶部导航 */
    .header-navbar {
        background: rgba(11, 12, 16, 0.88);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--rf-border-light);
        position: sticky;
        top: 0;
        z-index: 1050;
    }
    .site-brand {
        font-size: 1.5rem;
        font-weight: 800;
        color: var(--rf-text-white);
        display: flex;
        align-items: center;
        gap: 0.6rem;
        letter-spacing: -0.02em;
    }
    .site-brand i {
        color: var(--rf-accent-red);
        font-size: 1.6rem;
    }
    .site-nav-link {
        color: var(--rf-text-muted);
        font-weight: 500;
        font-size: 0.95rem;
        padding: 0.5rem 1rem !important;
        border-radius: var(--rf-radius-btn);
    }
    .site-nav-link:hover, .site-nav-link.active {
        color: var(--rf-text-white);
        background: rgba(255, 255, 255, 0.05);
    }

    /* 按钮定制 */
    .btn-rf-primary {
        background: var(--rf-gradient-primary);
        color: #fff;
        font-weight: 600;
        padding: 0.65rem 1.6rem;
        border-radius: var(--rf-radius-btn);
        border: none;
        box-shadow: var(--rf-shadow-glow);
        display: inline-flex;
        align-items: center;
        gap: 8px;
        transition: transform 0.2s, box-shadow 0.2s;
    }
    .btn-rf-primary:hover {
        color: #fff;
        transform: translateY(-2px);
        box-shadow: 0 16px 32px rgba(229, 9, 20, 0.4);
    }
    .btn-rf-outline {
        background: transparent;
        color: var(--rf-text-white);
        border: 1px solid var(--rf-border-light);
        font-weight: 500;
        padding: 0.65rem 1.5rem;
        border-radius: var(--rf-radius-btn);
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }
    .btn-rf-outline:hover {
        color: #fff;
        border-color: rgba(255, 255, 255, 0.3);
        background: rgba(255, 255, 255, 0.05);
        transform: translateY(-2px);
    }

    /* 分类专属首屏仪表盘 */
    .category-dashboard {
        position: relative;
        background: radial-gradient(circle at 80% 20%, rgba(168, 85, 247, 0.15) 0%, rgba(11, 12, 16, 1) 70%),
                    linear-gradient(180deg, rgba(20, 22, 29, 0.8) 0%, rgba(11, 12, 16, 1) 100%);
        border-bottom: 1px solid var(--rf-border-light);
        padding: 3.5rem 0 2.5rem 0;
    }
    .trust-checklist {
        display: flex;
        flex-wrap: wrap;
        gap: 1.5rem;
        margin: 1.5rem 0;
    }
    .trust-check-item {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 0.9rem;
        color: var(--rf-text-white);
    }
    .trust-check-item i {
        color: #10B981;
    }
    .filter-group-wrap {
        background: var(--rf-bg-card);
        border: 1px solid var(--rf-border-light);
        border-radius: var(--rf-radius-card);
        padding: 1.25rem 1.5rem;
        margin-top: 2rem;
    }
    .filter-row {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 0.75rem;
    }
    .filter-row:not(:last-child) {
        border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
        padding-bottom: 0.9rem;
        margin-bottom: 0.9rem;
    }
    .filter-label {
        font-size: 0.85rem;
        color: var(--rf-text-dim);
        font-weight: 600;
        min-width: 70px;
    }
    .filter-tag {
        font-size: 0.85rem;
        padding: 0.25rem 0.85rem;
        border-radius: var(--rf-radius-pill);
        color: var(--rf-text-muted);
        background: rgba(255, 255, 255, 0.04);
        border: 1px solid transparent;
        cursor: pointer;
        transition: all 0.2s;
    }
    .filter-tag:hover, .filter-tag.active {
        color: #fff;
        background: rgba(229, 9, 20, 0.15);
        border-color: rgba(229, 9, 20, 0.35);
    }

    /* 海报卡片 */
    .poster-card {
        background-color: var(--rf-bg-card);
        border: 1px solid var(--rf-border-light);
        border-radius: var(--rf-radius-card);
        overflow: hidden;
        transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
        height: 100%;
        display: flex;
        flex-direction: column;
        position: relative;
    }
    .poster-card:hover {
        transform: translateY(-6px);
        border-color: var(--rf-border-hover);
        box-shadow: 0 16px 36px rgba(0, 0, 0, 0.6);
    }
    .poster-thumb-box {
        position: relative;
        width: 100%;
        padding-top: 138%; /* 3:4 比例视觉 */
        overflow: hidden;
        background: #14161D;
    }
    .poster-thumb-box img {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.4s ease;
    }
    .poster-card:hover .poster-thumb-box img {
        transform: scale(1.05);
    }
    .poster-badge-top {
        position: absolute;
        top: 10px;
        right: 10px;
        background: rgba(0, 0, 0, 0.75);
        backdrop-filter: blur(8px);
        border: 1px solid rgba(255, 255, 255, 0.15);
        color: #fff;
        font-size: 0.75rem;
        font-weight: 700;
        padding: 2px 8px;
        border-radius: 4px;
        z-index: 2;
    }
    .poster-score-badge {
        position: absolute;
        bottom: 10px;
        left: 10px;
        background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
        color: #000;
        font-weight: 900;
        font-size: 0.85rem;
        padding: 2px 8px;
        border-radius: 4px;
        z-index: 2;
        box-shadow: 0 2px 8px rgba(0,0,0,0.5);
    }
    .poster-body {
        padding: 1rem;
        flex: 1;
        display: flex;
        flex-direction: column;
    }
    .poster-title {
        color: var(--rf-text-white);
        font-size: 1rem;
        font-weight: 700;
        margin-bottom: 0.35rem;
        line-height: 1.4;
        display: -webkit-box;
        -webkit-line-clamp: 1;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .poster-meta {
        font-size: 0.8rem;
        color: var(--rf-text-dim);
        margin-bottom: 0.75rem;
    }
    .poster-summary {
        font-size: 0.8rem;
        color: var(--rf-text-muted);
        line-height: 1.5;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        margin-bottom: 1rem;
    }

    /* Top 5 横向高分排行 */
    .top-rank-list {
        display: flex;
        flex-direction: column;
        gap: 1rem;
    }
    .top-rank-item {
        background: var(--rf-bg-card);
        border: 1px solid var(--rf-border-light);
        border-radius: var(--rf-radius-card);
        padding: 1.25rem 1.5rem;
        display: flex;
        align-items: center;
        gap: 1.5rem;
        transition: all 0.25s ease;
    }
    .top-rank-item:hover {
        border-color: rgba(168, 85, 247, 0.4);
        background: rgba(30, 34, 45, 0.8);
        transform: translateX(4px);
    }
    .rank-number {
        font-size: 2rem;
        font-weight: 900;
        font-style: italic;
        min-width: 45px;
        text-align: center;
        line-height: 1;
    }
    .rank-1 { color: #F59E0B; text-shadow: 0 0 15px rgba(245, 158, 11, 0.4); }
    .rank-2 { color: #94A3B8; }
    .rank-3 { color: #B45309; }
    .rank-4, .rank-5 { color: var(--rf-text-dim); }

    /* 特色看点解构卡片 */
    .feature-point-card {
        background: var(--rf-bg-secondary);
        border: 1px solid var(--rf-border-light);
        border-radius: var(--rf-radius-card);
        padding: 2rem;
        height: 100%;
    }
    .feature-icon-wrap {
        width: 50px;
        height: 50px;
        border-radius: 12px;
        background: rgba(229, 9, 20, 0.12);
        color: var(--rf-accent-red);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.4rem;
        margin-bottom: 1.25rem;
    }

    /* 时间轴列表 */
    .timeline-strip {
        position: relative;
        padding-left: 2rem;
    }
    .timeline-strip::before {
        content: "";
        position: absolute;
        left: 7px;
        top: 8px;
        bottom: 8px;
        width: 2px;
        background: rgba(255, 255, 255, 0.1);
    }
    .timeline-node {
        position: relative;
        margin-bottom: 2rem;
    }
    .timeline-node::before {
        content: "";
        position: absolute;
        left: -2rem;
        top: 6px;
        width: 16px;
        height: 16px;
        border-radius: 50%;
        background: var(--rf-bg-main);
        border: 3px solid var(--rf-accent-cyan);
    }
    .timeline-card {
        background: var(--rf-bg-card);
        border: 1px solid var(--rf-border-light);
        border-radius: 10px;
        padding: 1.25rem;
    }

    /* 宽幅专题卡片 */
    .banner-curated {
        position: relative;
        border-radius: var(--rf-radius-card);
        overflow: hidden;
        min-height: 260px;
        display: flex;
        align-items: flex-end;
        padding: 2rem;
        border: 1px solid var(--rf-border-light);
    }
    .banner-curated::before {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, rgba(11, 12, 16, 0.2) 0%, rgba(11, 12, 16, 0.95) 100%);
        z-index: 1;
    }
    .banner-curated-bg {
        position: absolute;
        inset: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }
    .banner-curated:hover .banner-curated-bg {
        transform: scale(1.04);
    }
    .banner-curated-content {
        position: relative;
        z-index: 2;
    }

    /* 播放配置指南卡片 */
    .spec-guide-card {
        background: var(--rf-bg-card);
        border-left: 4px solid var(--rf-accent-purple);
        border-radius: 0 var(--rf-radius-card) var(--rf-radius-card) 0;
        padding: 1.5rem;
        border-top: 1px solid var(--rf-border-light);
        border-right: 1px solid var(--rf-border-light);
        border-bottom: 1px solid var(--rf-border-light);
    }

    /* 社区交流引导 */
    .community-box {
        background: linear-gradient(135deg, #14161D 0%, #1E222D 100%);
        border: 1px solid var(--rf-border-light);
        border-radius: var(--rf-radius-card);
        padding: 2.5rem;
    }

    /* 页脚定制 */
    .footer-custom {
        background-color: #07080a;
        border-top: 1px solid var(--rf-border-light);
        padding-top: 4.5rem;
        padding-bottom: 2.5rem;
        font-size: 0.9rem;
    }
    .footer-brand-title {
        font-size: 1.35rem;
        font-weight: 800;
        color: #fff;
    }
    .footer-heading {
        color: #fff;
        font-size: 0.95rem;
        font-weight: 700;
        margin-bottom: 1.2rem;
        letter-spacing: 0.05em;
    }
    .footer-links {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .footer-links li {
        margin-bottom: 0.6rem;
    }
    .footer-links a {
        color: var(--rf-text-dim);
    }
    .footer-links a:hover {
        color: var(--rf-text-white);
        padding-left: 4px;
    }
    .hover-white:hover {
        color: #fff !important;
    }

    @media (max-width: 991px) {
        .header-cta-group {
            margin-top: 1rem;
            flex-direction: column;
            align-items: stretch !important;
        }
        .filter-row {
            gap: 0.5rem;
        }
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}