/* roulang page: index */
:root {
      --bg-main: #0c0e14;
      --bg-card: #151922;
      --bg-card-hover: #1c222e;
      --brand-red: #e50914;
      --brand-red-hover: #b80710;
      --accent-gold: #f59e0b;
      --accent-green: #10b981;
      --text-main: #f3f4f6;
      --text-muted: #9ca3af;
      --border-light: rgba(255, 255, 255, 0.08);
      --border-highlight: rgba(229, 9, 20, 0.4);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.35);
      --shadow-lg: 0 12px 30px rgba(0, 0, 0, 0.6);
      --transition-smooth: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    body {
      background-color: var(--bg-main);
      color: var(--text-main);
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      line-height: 1.75;
      letter-spacing: normal;
      overflow-x: hidden;
      padding-bottom: 70px;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition-smooth);
    }
    a:hover {
      color: var(--brand-red);
    }

    h1, h2, h3, h4, h5, h6 {
      color: #ffffff;
      font-weight: 700;
      letter-spacing: -0.02em;
      line-height: 1.35;
    }

    .section-wrap {
      padding: 5rem 0;
      border-bottom: 1px solid var(--border-light);
      position: relative;
    }

    .section-title-wrap {
      margin-bottom: 3.2rem;
    }
    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 14px;
      background: rgba(229, 9, 20, 0.12);
      border: 1px solid rgba(229, 9, 20, 0.3);
      color: var(--brand-red);
      font-size: 0.85rem;
      font-weight: 600;
      border-radius: 50px;
      margin-bottom: 1rem;
    }
    .section-h2 {
      font-size: clamp(1.75rem, 2.5vw, 2.25rem);
      margin-bottom: 0.9rem;
    }
    .section-desc {
      color: var(--text-muted);
      font-size: 1.05rem;
      max-width: 780px;
      line-height: 1.8;
      margin: 0 auto;
    }

    /* 顶部导航 */
    .site-nav {
      background: rgba(12, 14, 20, 0.95);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-light);
      padding: 0.9rem 0;
      position: sticky;
      top: 0;
      z-index: 1050;
    }
    .brand-box {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .brand-logo-icon {
      width: 40px;
      height: 40px;
      background: linear-gradient(135deg, var(--brand-red), #ff334b);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 1.2rem;
      font-weight: 900;
      box-shadow: 0 4px 12px rgba(229, 9, 20, 0.4);
    }
    .brand-name {
      font-size: 1.25rem;
      font-weight: 800;
      color: #ffffff;
      letter-spacing: -0.01em;
    }
    .brand-badge {
      font-size: 0.72rem;
      padding: 2px 8px;
      background: rgba(255, 255, 255, 0.1);
      border-radius: 4px;
      color: var(--text-muted);
    }
    .nav-link-custom {
      color: #d1d5db;
      font-weight: 500;
      padding: 0.5rem 0.9rem;
      border-radius: var(--radius-sm);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .nav-link-custom:hover, .nav-link-custom.active {
      color: #ffffff;
      background: rgba(255, 255, 255, 0.05);
    }
    .dropdown-menu-dark-custom {
      background-color: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-lg);
      padding: 0.75rem;
      min-width: 240px;
    }
    .dropdown-menu-dark-custom .dropdown-item {
      color: #d1d5db;
      padding: 0.6rem 1rem;
      border-radius: var(--radius-sm);
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.92rem;
    }
    .dropdown-menu-dark-custom .dropdown-item:hover {
      background: rgba(229, 9, 20, 0.15);
      color: #ffffff;
    }

    /* 按钮定制 */
    .btn-main-cta {
      background: linear-gradient(135deg, #e50914, #ff2a37);
      color: #ffffff;
      font-weight: 600;
      padding: 0.75rem 1.6rem;
      border-radius: var(--radius-sm);
      border: none;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      box-shadow: 0 4px 15px rgba(229, 9, 20, 0.35);
      transition: var(--transition-smooth);
    }
    .btn-main-cta:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(229, 9, 20, 0.55);
      color: #fff;
    }
    .btn-ghost-cta {
      background: transparent;
      border: 1px solid rgba(255, 255, 255, 0.2);
      color: #ffffff;
      font-weight: 600;
      padding: 0.75rem 1.5rem;
      border-radius: var(--radius-sm);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: var(--transition-smooth);
    }
    .btn-ghost-cta:hover {
      border-color: #ffffff;
      background: rgba(255, 255, 255, 0.08);
      color: #ffffff;
    }

    /* 卡片通用 */
    .feature-card {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 1.8rem;
      transition: var(--transition-smooth);
      height: 100%;
    }
    .feature-card:hover {
      transform: translateY(-4px);
      border-color: var(--border-highlight);
      box-shadow: var(--shadow-lg);
    }

    /* Hero 特化：选型高亮对比型 */
    .hero-wrap {
      padding: 5rem 0 4rem;
      background: radial-gradient(circle at 80% 20%, rgba(229, 9, 20, 0.08), transparent 45%),
                  radial-gradient(circle at 20% 80%, rgba(245, 158, 11, 0.05), transparent 40%);
    }
    .hero-h1 {
      font-size: clamp(2.3rem, 3.8vw, 3.3rem);
      line-height: 1.25;
      margin-bottom: 1.4rem;
    }
    .hero-intro {
      font-size: 1.12rem;
      color: #cbd5e1;
      line-height: 1.85;
      margin-bottom: 2rem;
    }
    .search-input-pill {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-sm);
      padding: 0.4rem 0.5rem 0.4rem 1.2rem;
      display: flex;
      align-items: center;
      margin-bottom: 1.8rem;
    }
    .search-input-pill input {
      background: transparent;
      border: none;
      color: #fff;
      outline: none;
      width: 100%;
      font-size: 0.95rem;
    }
    .search-input-pill input::placeholder {
      color: #6b7280;
    }
    .hero-compare-card {
      background: #191e29;
      border: 2px solid var(--brand-red);
      border-radius: var(--radius-lg);
      padding: 2rem;
      position: relative;
      box-shadow: 0 15px 35px rgba(229, 9, 20, 0.2);
    }
    .hero-badge-top {
      position: absolute;
      top: -14px;
      right: 25px;
      background: var(--brand-red);
      color: #fff;
      font-size: 0.8rem;
      font-weight: 700;
      padding: 3px 12px;
      border-radius: 20px;
    }
    .hero-compare-item {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      margin-bottom: 1.2rem;
    }
    .hero-compare-item i {
      color: var(--accent-green);
      margin-top: 4px;
      font-size: 1.1rem;
    }

    /* 播放与场景演示台 */
    .scenario-tab-btn {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      padding: 1.2rem 1.4rem;
      border-radius: var(--radius-md);
      color: #e5e7eb;
      text-align: left;
      cursor: pointer;
      margin-bottom: 1rem;
      transition: var(--transition-smooth);
      display: block;
      width: 100%;
    }
    .scenario-tab-btn.active, .scenario-tab-btn:hover {
      border-color: var(--brand-red);
      background: #1e2430;
    }
    .screen-mockup {
      background: #000;
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-lg);
      overflow: hidden;
      position: relative;
      aspect-ratio: 16 / 9;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      padding: 1.5rem;
      background-size: cover;
      background-position: center;
      box-shadow: var(--shadow-lg);
    }
    .sub-overlay-box {
      background: rgba(0, 0, 0, 0.75);
      backdrop-filter: blur(8px);
      padding: 0.9rem 1.4rem;
      border-radius: var(--radius-sm);
      border-left: 3px solid var(--brand-red);
      max-width: 90%;
      margin: 0 auto;
      text-align: center;
    }
    .sub-line-foreign {
      font-size: 0.95rem;
      color: #d1d5db;
      font-family: serif, "Hiragino Mincho ProN", sans-serif;
    }
    .sub-line-cn {
      font-size: 1.15rem;
      font-weight: bold;
      color: #facc15;
      margin-top: 4px;
    }

    /* 对比面板 */
    .compare-side-box {
      border-radius: var(--radius-md);
      padding: 1.8rem;
      height: 100%;
    }
    .compare-side-bad {
      background: rgba(239, 68, 68, 0.04);
      border: 1px dashed rgba(239, 68, 68, 0.3);
    }
    .compare-side-good {
      background: rgba(16, 185, 129, 0.05);
      border: 1px solid rgba(16, 185, 129, 0.4);
    }

    /* 信息流卡片 */
    .stream-card {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition-smooth);
      height: 100%;
      display: flex;
      flex-direction: column;
    }
    .stream-card:hover {
      transform: translateY(-4px);
      border-color: var(--border-highlight);
    }
    .stream-img-box {
      position: relative;
      height: 165px;
      background-color: #242b38;
      overflow: hidden;
    }
    .stream-img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .stream-card:hover .stream-img-box img {
      transform: scale(1.04);
    }
    .stream-tag-top {
      position: absolute;
      top: 10px;
      left: 10px;
      background: rgba(0, 0, 0, 0.7);
      backdrop-filter: blur(4px);
      font-size: 0.75rem;
      padding: 2px 8px;
      border-radius: 4px;
      color: #f3f4f6;
    }

    /* 评价墙与社会认同 */
    .review-bubble-card {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 1.6rem;
      position: relative;
      height: 100%;
    }
    .star-bar {
      color: #f59e0b;
      font-size: 0.85rem;
      margin-bottom: 0.8rem;
    }
    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-top: 1.2rem;
      padding-top: 1rem;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
    }
    .reviewer-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: #2b3240;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      color: var(--brand-red);
    }

    /* 时间轴快报 */
    .timeline-stream {
      position: relative;
      padding-left: 2rem;
    }
    .timeline-stream::before {
      content: '';
      position: absolute;
      left: 7px;
      top: 10px;
      bottom: 10px;
      width: 2px;
      background: var(--border-light);
    }
    .timeline-item {
      position: relative;
      margin-bottom: 1.8rem;
    }
    .timeline-dot {
      position: absolute;
      left: -2rem;
      top: 5px;
      width: 16px;
      height: 16px;
      border-radius: 50%;
      background: var(--bg-main);
      border: 3px solid var(--brand-red);
    }

    /* FAQ 手风琴深度定制 */
    .accordion-custom .accordion-item {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md) !important;
      margin-bottom: 1rem;
      overflow: hidden;
    }
    .accordion-custom .accordion-button {
      background: var(--bg-card);
      color: #ffffff;
      font-weight: 600;
      font-size: 1.05rem;
      box-shadow: none;
      padding: 1.3rem 1.5rem;
    }
    .accordion-custom .accordion-button:not(.collapsed) {
      background: #1b212c;
      color: var(--brand-red);
      border-bottom: 1px solid var(--border-light);
    }
    .accordion-custom .accordion-body {
      background: #151922;
      color: #9ca3af;
      padding: 1.3rem 1.5rem;
      font-size: 0.96rem;
      line-height: 1.8;
    }

    /* 底部固定条 */
    .sticky-bottom-action {
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      background: rgba(18, 22, 30, 0.92);
      backdrop-filter: blur(12px);
      border-top: 1px solid rgba(229, 9, 20, 0.3);
      padding: 0.75rem 0;
      z-index: 1040;
      box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.5);
    }

    /* 页脚 */
    .site-footer {
      background: #080a0e;
      border-top: 1px solid var(--border-light);
      padding: 4.5rem 0 2rem;
      color: #9ca3af;
      font-size: 0.92rem;
    }
    .footer-col-title {
      color: #ffffff;
      font-weight: 700;
      margin-bottom: 1.4rem;
      font-size: 1rem;
    }
    .footer-link-list {
      list-style: none;
      padding: 0;
    }
    .footer-link-list li {
      margin-bottom: 0.75rem;
    }
    .footer-link-list a {
      color: #9ca3af;
    }
    .footer-link-list a:hover {
      color: var(--brand-red);
    }

    @media (max-width: 991px) {
      .section-wrap { padding: 3.5rem 0; }
      .hero-wrap { padding: 3.5rem 0 2.5rem; }
      .sticky-bottom-action { font-size: 0.88rem; }
    }
    @media (max-width: 575px) {
      .hero-compare-card { padding: 1.25rem; }
      .brand-name { font-size: 1.05rem; }
    }

/* roulang page: category2 */
:root {
      --bg-main: #0c0e14;
      --bg-card: #151922;
      --bg-card-hover: #1c222e;
      --brand-red: #e50914;
      --brand-red-hover: #b80710;
      --accent-gold: #f59e0b;
      --accent-green: #10b981;
      --text-main: #f3f4f6;
      --text-muted: #9ca3af;
      --border-light: rgba(255, 255, 255, 0.08);
      --border-highlight: rgba(229, 9, 20, 0.4);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.35);
      --shadow-lg: 0 12px 30px rgba(0, 0, 0, 0.6);
      --transition-smooth: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }
    body {
      background-color: var(--bg-main);
      color: var(--text-main);
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      line-height: 1.75;
      letter-spacing: normal;
      overflow-x: hidden;
      padding-bottom: 0;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition-smooth);
    }
    a:hover {
      color: var(--brand-red);
    }
    .section-wrap {
      padding: 4.5rem 0;
      border-bottom: 1px solid var(--border-light);
      position: relative;
    }
    .section-title-wrap {
      margin-bottom: 2.8rem;
    }
    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 14px;
      background: rgba(229, 9, 20, 0.12);
      border: 1px solid rgba(229, 9, 20, 0.3);
      color: var(--brand-red);
      font-size: 0.85rem;
      font-weight: 600;
      border-radius: 50px;
      margin-bottom: 0.8rem;
    }
    .section-h2 {
      font-size: clamp(1.6rem, 2.3vw, 2.1rem);
      margin-bottom: 0.8rem;
      font-weight: 700;
      letter-spacing: -0.02em;
    }
    .section-desc {
      color: var(--text-muted);
      font-size: 1rem;
      max-width: 780px;
      line-height: 1.8;
      margin: 0 auto;
    }

    /* 顶部导航 */
    .site-nav {
      background: rgba(12, 14, 20, 0.95);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-light);
      padding: 0.9rem 0;
      position: sticky;
      top: 0;
      z-index: 1050;
    }
    .brand-box {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .brand-logo-icon {
      width: 40px;
      height: 40px;
      background: linear-gradient(135deg, var(--brand-red), #ff334b);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 1.2rem;
      font-weight: 900;
      box-shadow: 0 4px 12px rgba(229, 9, 20, 0.4);
    }
    .brand-name {
      font-size: 1.25rem;
      font-weight: 800;
      color: #ffffff;
      letter-spacing: -0.01em;
    }
    .brand-badge {
      font-size: 0.72rem;
      padding: 2px 8px;
      background: rgba(255, 255, 255, 0.1);
      border-radius: 4px;
      color: var(--text-muted);
    }
    .nav-link-custom {
      color: #d1d5db;
      font-weight: 500;
      padding: 0.5rem 0.9rem;
      border-radius: var(--radius-sm);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .nav-link-custom:hover, .nav-link-custom.active {
      color: #ffffff;
      background: rgba(255, 255, 255, 0.05);
    }

    /* 分类专属头部 */
    .cat-hero-wrap {
      padding: 3.5rem 0 2.5rem;
      background: linear-gradient(180deg, rgba(229, 9, 20, 0.07) 0%, rgba(12, 14, 20, 0) 100%);
      border-bottom: 1px solid var(--border-light);
    }
    .breadcrumb-nav {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 1.2rem;
    }
    .breadcrumb-nav a:hover {
      color: #fff;
    }
    .cat-h1 {
      font-size: clamp(2rem, 3.2vw, 2.7rem);
      font-weight: 800;
      letter-spacing: -0.02em;
      margin-bottom: 1rem;
      color: #ffffff;
    }
    .cat-stat-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      padding: 6px 14px;
      border-radius: 50px;
      font-size: 0.85rem;
      color: #cbd5e1;
    }

    /* 多维筛选器 */
    .filter-card {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 1.5rem;
    }
    .filter-row {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 10px;
      padding: 8px 0;
      border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
    }
    .filter-row:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }
    .filter-label {
      width: 70px;
      font-size: 0.85rem;
      color: var(--text-muted);
      font-weight: 600;
      flex-shrink: 0;
    }
    .filter-capsule {
      font-size: 0.85rem;
      padding: 4px 12px;
      border-radius: 30px;
      background: rgba(255, 255, 255, 0.04);
      color: #cbd5e1;
      border: 1px solid transparent;
      cursor: pointer;
      transition: var(--transition-smooth);
    }
    .filter-capsule:hover {
      background: rgba(255, 255, 255, 0.08);
      color: #fff;
    }
    .filter-capsule.active {
      background: rgba(229, 9, 20, 0.15);
      border-color: var(--brand-red);
      color: #fff;
      font-weight: 600;
    }

    /* 资源流卡片网格 */
    .resource-card {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      height: 100%;
      transition: var(--transition-smooth);
    }
    .resource-card:hover {
      transform: translateY(-5px);
      border-color: var(--border-highlight);
      box-shadow: var(--shadow-lg);
    }
    .card-thumb-wrap {
      position: relative;
      height: 190px;
      background-color: #1e2430;
      overflow: hidden;
    }
    .card-thumb-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .resource-card:hover .card-thumb-wrap img {
      transform: scale(1.05);
    }
    .thumb-tag-top {
      position: absolute;
      top: 10px;
      left: 10px;
      background: rgba(0, 0, 0, 0.75);
      backdrop-filter: blur(4px);
      padding: 2px 8px;
      border-radius: 4px;
      font-size: 0.75rem;
      font-weight: 600;
      color: #fff;
    }
    .thumb-score {
      position: absolute;
      bottom: 10px;
      right: 10px;
      background: rgba(245, 158, 11, 0.95);
      color: #000;
      font-weight: 800;
      font-size: 0.8rem;
      padding: 2px 7px;
      border-radius: 4px;
    }
    .card-body-content {
      padding: 1.25rem;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .card-res-title {
      font-size: 1.05rem;
      font-weight: 700;
      line-height: 1.45;
      margin-bottom: 0.6rem;
      color: #ffffff;
    }
    .card-meta-list {
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-bottom: 0.8rem;
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }
    .card-meta-item {
      background: rgba(255, 255, 255, 0.05);
      padding: 2px 6px;
      border-radius: 3px;
    }
    .card-summary-p {
      font-size: 0.85rem;
      color: #94a3b8;
      line-height: 1.6;
      margin-bottom: 1.2rem;
      flex-grow: 1;
    }
    .card-footer-action {
      padding-top: 0.9rem;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .btn-card-action {
      font-size: 0.85rem;
      font-weight: 600;
      padding: 6px 14px;
      border-radius: var(--radius-sm);
      background: rgba(229, 9, 20, 0.15);
      color: #fff;
      border: 1px solid rgba(229, 9, 20, 0.35);
      transition: var(--transition-smooth);
    }
    .btn-card-action:hover {
      background: var(--brand-red);
      color: #fff;
    }

    /* 分页条 */
    .pagination-custom {
      display: flex;
      justify-content: center;
      gap: 6px;
      margin-top: 3rem;
    }
    .page-btn {
      width: 40px;
      height: 40px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-sm);
      color: #cbd5e1;
      font-size: 0.9rem;
      font-weight: 600;
      cursor: pointer;
      transition: var(--transition-smooth);
    }
    .page-btn:hover, .page-btn.active {
      background: var(--brand-red);
      border-color: var(--brand-red);
      color: #fff;
    }

    /* 口碑榜单 */
    .chart-card {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 1.25rem 1.5rem;
      display: flex;
      align-items: center;
      gap: 1.2rem;
      margin-bottom: 1rem;
      transition: var(--transition-smooth);
    }
    .chart-card:hover {
      border-color: var(--border-highlight);
      transform: translateX(4px);
    }
    .chart-rank {
      font-size: 1.5rem;
      font-weight: 900;
      width: 38px;
      height: 38px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 8px;
      background: rgba(255, 255, 255, 0.05);
      color: var(--text-muted);
      flex-shrink: 0;
    }
    .chart-rank.top-1 {
      background: rgba(229, 9, 20, 0.2);
      color: var(--brand-red);
      border: 1px solid var(--brand-red);
    }
    .chart-rank.top-2 {
      background: rgba(245, 158, 11, 0.2);
      color: var(--accent-gold);
    }
    .chart-rank.top-3 {
      background: rgba(16, 185, 129, 0.2);
      color: var(--accent-green);
    }
    .chart-info {
      flex-grow: 1;
    }
    .chart-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 0.2rem;
    }
    .chart-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin: 0;
    }
    .chart-stats {
      text-align: right;
      flex-shrink: 0;
    }
    .chart-num {
      font-weight: 700;
      color: #fff;
      font-size: 0.95rem;
    }
    .chart-sub {
      font-size: 0.75rem;
      color: var(--text-muted);
    }

    /* 指南卡片 */
    .guide-step-card {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 1.8rem;
      height: 100%;
      position: relative;
    }
    .step-badge {
      font-size: 0.8rem;
      font-weight: 800;
      color: var(--brand-red);
      margin-bottom: 0.8rem;
      display: inline-block;
      letter-spacing: 0.05em;
    }
    .step-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 0.8rem;
    }
    .step-p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.75;
      margin: 0;
    }

    /* 专项 FAQ */
    .faq-mini-card {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 1.8rem;
      height: 100%;
    }
    .faq-mini-q {
      font-size: 1.05rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 0.8rem;
      display: flex;
      align-items: flex-start;
      gap: 10px;
    }
    .faq-mini-q i {
      color: var(--brand-red);
      font-size: 1.1rem;
      margin-top: 3px;
    }
    .faq-mini-a {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.8;
      margin: 0;
    }

    /* 专题联锁标签 */
    .tag-cluster {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }
    .topic-pill {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: 8px;
      padding: 10px 18px;
      font-size: 0.9rem;
      color: #cbd5e1;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: var(--transition-smooth);
    }
    .topic-pill:hover {
      background: rgba(229, 9, 20, 0.12);
      border-color: var(--border-highlight);
      color: #ffffff;
      transform: translateY(-2px);
    }

    /* 页脚组件 */
    .footer-wrap {
      background: #08090d;
      border-top: 1px solid var(--border-light);
      padding: 4.5rem 0 2rem;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      color: #fff;
      font-size: 1.25rem;
      font-weight: 800;
    }
    .footer-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 1.2rem;
    }
    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-links li {
      margin-bottom: 0.65rem;
    }
    .footer-links a {
      color: var(--text-muted);
      font-size: 0.9rem;
    }
    .footer-links a:hover {
      color: #fff;
      padding-left: 4px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 2rem;
      margin-top: 3.5rem;
      font-size: 0.85rem;
      color: #64748b;
    }

    @media (max-width: 991px) {
      .section-wrap { padding: 3.5rem 0; }
      .cat-hero-wrap { padding: 2.5rem 0 1.8rem; }
    }

/* roulang page: category1 */
:root {
      --bg-main: #0c0e14;
      --bg-card: #151922;
      --bg-card-hover: #1c222e;
      --brand-red: #e50914;
      --brand-red-hover: #b80710;
      --accent-gold: #f59e0b;
      --accent-green: #10b981;
      --text-main: #f3f4f6;
      --text-muted: #9ca3af;
      --border-light: rgba(255, 255, 255, 0.08);
      --border-highlight: rgba(229, 9, 20, 0.4);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.35);
      --shadow-lg: 0 12px 30px rgba(0, 0, 0, 0.6);
      --transition-smooth: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }
    body {
      background-color: var(--bg-main);
      color: var(--text-main);
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      line-height: 1.75;
      letter-spacing: normal;
      overflow-x: hidden;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition-smooth);
    }
    a:hover {
      color: var(--brand-red);
    }
    /* 顶部导航 */
    .site-nav {
      background: rgba(12, 14, 20, 0.95);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-light);
      padding: 0.9rem 0;
      position: sticky;
      top: 0;
      z-index: 1050;
    }
    .brand-box {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .brand-logo-icon {
      width: 40px;
      height: 40px;
      background: linear-gradient(135deg, var(--brand-red), #ff334b);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 1.2rem;
      font-weight: 900;
      box-shadow: 0 4px 12px rgba(229, 9, 20, 0.4);
    }
    .brand-name {
      font-size: 1.25rem;
      font-weight: 800;
      color: #ffffff;
      letter-spacing: -0.01em;
    }
    .brand-badge {
      font-size: 0.72rem;
      padding: 2px 8px;
      background: rgba(255, 255, 255, 0.1);
      border-radius: 4px;
      color: var(--text-muted);
    }
    .nav-link-custom {
      color: #d1d5db;
      font-weight: 500;
      padding: 0.5rem 0.9rem;
      border-radius: var(--radius-sm);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .nav-link-custom:hover, .nav-link-custom.active {
      color: #ffffff;
      background: rgba(255, 255, 255, 0.05);
    }
    .nav-link-custom.active {
      color: var(--brand-red);
      font-weight: 600;
    }
    /* 分类头（无巨幅首屏，矮横幅） */
    .category-header-wrap {
      padding: 2.8rem 0 2rem;
      background: linear-gradient(180deg, rgba(21, 25, 34, 0.8) 0%, rgba(12, 14, 20, 1) 100%);
      border-bottom: 1px solid var(--border-light);
    }
    .custom-breadcrumb {
      font-size: 0.88rem;
      margin-bottom: 1rem;
      display: flex;
      align-items: center;
      gap: 8px;
      color: var(--text-muted);
    }
    .custom-breadcrumb a:hover {
      color: var(--brand-red);
    }
    .category-h1 {
      font-size: clamp(1.85rem, 3vw, 2.5rem);
      font-weight: 800;
      letter-spacing: -0.02em;
      margin-bottom: 0.8rem;
      color: #ffffff;
    }
    .category-lead {
      color: #cbd5e1;
      font-size: 1.02rem;
      max-width: 900px;
      line-height: 1.8;
      margin-bottom: 1.4rem;
    }
    .category-metrics {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }
    .metric-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      padding: 6px 14px;
      border-radius: 50px;
      font-size: 0.85rem;
      color: #e2e8f0;
    }
    .metric-badge i {
      color: var(--accent-gold);
    }

    /* 筛选矩阵 */
    .filter-section {
      padding: 1.5rem 0 2rem;
      background-color: #10131a;
      border-bottom: 1px solid var(--border-light);
    }
    .filter-group {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 0.9rem;
    }
    .filter-group:last-child {
      margin-bottom: 0;
    }
    .filter-label {
      font-size: 0.85rem;
      color: var(--text-muted);
      width: 70px;
      flex-shrink: 0;
      font-weight: 600;
    }
    .filter-pill {
      font-size: 0.82rem;
      padding: 4px 12px;
      border-radius: var(--radius-sm);
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--border-light);
      color: #94a3b8;
      cursor: pointer;
      transition: var(--transition-smooth);
    }
    .filter-pill:hover {
      background: rgba(255, 255, 255, 0.1);
      color: #fff;
    }
    .filter-pill.active {
      background: var(--brand-red);
      border-color: var(--brand-red);
      color: #ffffff;
      font-weight: 600;
    }

    /* 内容主体列表网格 */
    .catalog-section {
      padding: 3.5rem 0;
    }
    .resource-card {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      height: 100%;
      transition: var(--transition-smooth);
      position: relative;
    }
    .resource-card:hover {
      transform: translateY(-5px);
      border-color: var(--border-highlight);
      box-shadow: var(--shadow-lg);
    }
    .card-thumb-wrap {
      position: relative;
      height: 190px;
      background-color: #1a202c;
      overflow: hidden;
    }
    .card-thumb-bg {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
      background-size: cover;
      background-position: center;
    }
    .resource-card:hover .card-thumb-bg {
      transform: scale(1.05);
    }
    .thumb-badge {
      position: absolute;
      top: 10px;
      left: 10px;
      padding: 3px 8px;
      border-radius: 4px;
      font-size: 0.72rem;
      font-weight: 700;
      color: #fff;
      background: rgba(0, 0, 0, 0.75);
      backdrop-filter: blur(4px);
    }
    .thumb-badge.badge-ass {
      background: rgba(229, 9, 20, 0.85);
    }
    .thumb-rating {
      position: absolute;
      bottom: 10px;
      right: 10px;
      padding: 2px 8px;
      border-radius: 4px;
      font-size: 0.75rem;
      font-weight: 700;
      background: rgba(0, 0, 0, 0.8);
      color: var(--accent-gold);
    }
    .card-content {
      padding: 1.25rem;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .card-title {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 0.5rem;
      line-height: 1.4;
      color: #ffffff;
    }
    .card-desc {
      font-size: 0.84rem;
      color: var(--text-muted);
      margin-bottom: 1rem;
      line-height: 1.6;
      flex-grow: 1;
    }
    .meta-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px solid var(--border-light);
      padding-top: 0.8rem;
      font-size: 0.78rem;
      color: #94a3b8;
    }
    .meta-tag {
      background: rgba(255, 255, 255, 0.05);
      padding: 2px 6px;
      border-radius: 4px;
    }
    .download-trigger {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      color: var(--brand-red);
      font-weight: 600;
    }
    .download-trigger:hover {
      color: #ff4d5a;
    }

    /* 分页条 */
    .custom-pagination {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 6px;
      margin-top: 3rem;
    }
    .page-item-btn {
      width: 38px;
      height: 38px;
      border-radius: var(--radius-sm);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      color: #cbd5e1;
      font-size: 0.9rem;
      cursor: pointer;
      transition: var(--transition-smooth);
    }
    .page-item-btn:hover {
      border-color: var(--brand-red);
      color: #fff;
    }
    .page-item-btn.active {
      background: var(--brand-red);
      border-color: var(--brand-red);
      color: #fff;
      font-weight: 700;
    }

    /* 口碑榜单 */
    .top-chart-section {
      padding: 4rem 0;
      background-color: #10131a;
      border-top: 1px solid var(--border-light);
      border-bottom: 1px solid var(--border-light);
    }
    .chart-card {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 1.4rem;
      position: relative;
      transition: var(--transition-smooth);
      height: 100%;
    }
    .chart-card:hover {
      border-color: rgba(245, 158, 11, 0.4);
      transform: translateY(-3px);
    }
    .chart-num {
      position: absolute;
      top: -12px;
      left: 18px;
      width: 32px;
      height: 32px;
      background: var(--brand-red);
      color: #fff;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 6px;
      font-size: 0.95rem;
      box-shadow: 0 4px 10px rgba(229, 9, 20, 0.4);
    }
    .chart-num.gold {
      background: linear-gradient(135deg, #f59e0b, #d97706);
    }
    .chart-header {
      margin-top: 0.6rem;
      margin-bottom: 0.8rem;
    }
    .chart-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: #fff;
    }
    .chart-sub {
      font-size: 0.8rem;
      color: var(--accent-green);
    }
    .chart-comment {
      font-size: 0.84rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 播放指南卡片 */
    .guide-section {
      padding: 4.5rem 0;
    }
    .guide-step-card {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 1.8rem;
      height: 100%;
      position: relative;
    }
    .step-badge {
      width: 34px;
      height: 34px;
      border-radius: 50%;
      background: rgba(229, 9, 20, 0.15);
      border: 1px solid var(--brand-red);
      color: var(--brand-red);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 0.9rem;
      margin-bottom: 1.2rem;
    }
    .step-title {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 0.6rem;
      color: #ffffff;
    }
    .step-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 分类 mini FAQ */
    .faq-mini-section {
      padding: 4rem 0;
      background-color: #10131a;
      border-top: 1px solid var(--border-light);
      border-bottom: 1px solid var(--border-light);
    }
    .faq-box {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 1.6rem;
      height: 100%;
    }
    .faq-q {
      font-size: 1.05rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 0.75rem;
      display: flex;
      align-items: flex-start;
      gap: 8px;
    }
    .faq-q i {
      color: var(--brand-red);
      margin-top: 4px;
      font-size: 0.95rem;
    }
    .faq-a {
      font-size: 0.88rem;
      color: #9ca3af;
      line-height: 1.75;
    }

    /* 专题聚合与内链推荐 */
    .topics-section {
      padding: 4rem 0 5rem;
    }
    .topic-pill-box {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 1.5rem;
    }
    .topic-item {
      padding: 10px 18px;
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-sm);
      font-size: 0.88rem;
      color: #cbd5e1;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: var(--transition-smooth);
    }
    .topic-item:hover {
      background: rgba(229, 9, 20, 0.1);
      border-color: var(--brand-red);
      color: #ffffff;
    }
    .topic-item span.count {
      font-size: 0.75rem;
      background: rgba(255, 255, 255, 0.1);
      padding: 1px 6px;
      border-radius: 4px;
      color: var(--text-muted);
    }

    /* 页脚 */
    .footer-wrap {
      background-color: #07080b;
      border-top: 1px solid var(--border-light);
      padding: 4.5rem 0 2rem;
    }
    .footer-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 1.2rem;
    }
    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-links li {
      margin-bottom: 0.7rem;
      font-size: 0.88rem;
      color: var(--text-muted);
    }
    .footer-links li a:hover {
      color: var(--brand-red);
    }
    .copyright-box {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 1.8rem;
      margin-top: 3rem;
      text-align: center;
      font-size: 0.82rem;
      color: #64748b;
    }

    @media (max-width: 768px) {
      .card-thumb-wrap {
        height: 150px;
      }
      .filter-label {
        width: 100%;
        margin-bottom: 4px;
      }
    }