/* roulang page: index */
:root {
      --bg-main: #060a17;
      --bg-surface: #0b132b;
      --bg-card: rgba(16, 26, 56, 0.65);
      --bg-card-hover: rgba(23, 37, 78, 0.85);
      --accent-cyan: #00f0ff;
      --accent-blue: #2563eb;
      --accent-violet: #8b5cf6;
      --text-main: #f8fafc;
      --text-muted: #94a3b8;
      --text-dim: #64748b;
      --border-glow: rgba(0, 240, 255, 0.16);
      --border-glow-active: rgba(0, 240, 255, 0.45);
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --shadow-glow: 0 0 16px rgba(0, 240, 255, 0.3);
      --shadow-glow-lg: 0 0 28px rgba(0, 240, 255, 0.55);
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      background-color: var(--bg-main);
      color: var(--text-main);
      font-family: var(--font-sans);
      line-height: 1.6;
      overflow-x: hidden;
      background-image: 
        radial-gradient(circle at 15% 20%, rgba(37, 99, 235, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 85% 60%, rgba(139, 92, 246, 0.1) 0%, transparent 45%),
        linear-gradient(to bottom, #060a17, #080e22 50%, #060a17);
      background-attachment: fixed;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .container {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }
    
    /* Header & Navigation */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      height: 68px;
      background: rgba(6, 10, 23, 0.85);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-glow);
      display: flex;
      align-items: center;
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
    }
    .nav-left {
      display: flex;
      align-items: center;
      gap: 36px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.45rem;
      font-weight: 800;
      letter-spacing: 1px;
      color: #fff;
    }
    .brand-logo-icon {
      width: 34px;
      height: 34px;
      border-radius: 8px;
      background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: var(--shadow-glow);
    }
    .brand-logo-icon svg {
      width: 20px;
      height: 20px;
      fill: #fff;
    }
    .brand-logo span {
      background: linear-gradient(90deg, #ffffff, var(--accent-cyan));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 22px;
      list-style: none;
    }
    .nav-item a {
      font-size: 0.95rem;
      color: var(--text-muted);
      font-weight: 500;
      padding: 6px 12px;
      border-radius: var(--radius-sm);
      position: relative;
    }
    .nav-item a:hover, .nav-item.active a {
      color: #fff;
      background: rgba(0, 240, 255, 0.08);
    }
    .nav-item.active a::after {
      content: "";
      position: absolute;
      bottom: -16px;
      left: 12px;
      right: 12px;
      height: 2px;
      background: var(--accent-cyan);
      box-shadow: 0 0 8px var(--accent-cyan);
    }
    .nav-right {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .nav-search {
      display: flex;
      align-items: center;
      background: rgba(16, 26, 56, 0.8);
      border: 1px solid var(--border-glow);
      border-radius: 20px;
      padding: 6px 14px;
    }
    .nav-search input {
      background: transparent;
      border: none;
      outline: none;
      color: var(--text-main);
      font-size: 0.85rem;
      width: 140px;
      transition: var(--transition);
    }
    .nav-search input:focus {
      width: 180px;
    }
    .nav-search button {
      background: transparent;
      border: none;
      color: var(--accent-cyan);
      cursor: pointer;
      display: flex;
      align-items: center;
    }
    .btn-glow {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
      color: #030712;
      font-weight: 700;
      font-size: 0.9rem;
      padding: 8px 18px;
      border-radius: 20px;
      border: none;
      cursor: pointer;
      box-shadow: var(--shadow-glow);
      transition: var(--transition);
    }
    .btn-glow:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-glow-lg);
      color: #000;
    }
    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: rgba(16, 26, 56, 0.7);
      color: var(--text-main);
      font-weight: 600;
      font-size: 0.9rem;
      padding: 8px 18px;
      border-radius: 20px;
      border: 1px solid var(--border-glow);
      cursor: pointer;
      transition: var(--transition);
      backdrop-filter: blur(8px);
    }
    .btn-outline:hover {
      border-color: var(--accent-cyan);
      color: var(--accent-cyan);
      background: rgba(0, 240, 255, 0.08);
    }

    /* Section Global */
    section {
      padding: 64px 0;
      position: relative;
    }
    .section-head {
      margin-bottom: 36px;
    }
    .section-badge {
      display: inline-block;
      padding: 4px 12px;
      font-size: 0.75rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--accent-cyan);
      background: rgba(0, 240, 255, 0.1);
      border: 1px solid var(--border-glow);
      border-radius: 12px;
      margin-bottom: 12px;
    }
    .section-title {
      font-size: 1.85rem;
      font-weight: 800;
      color: #fff;
      margin-bottom: 12px;
      letter-spacing: -0.5px;
    }
    .section-desc {
      font-size: 0.95rem;
      color: var(--text-muted);
      max-width: 780px;
      line-height: 1.7;
    }

    /* Glassmorphism Card */
    .glass-card {
      background: var(--bg-card);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-md);
      padding: 24px;
      transition: var(--transition);
    }
    .glass-card:hover {
      background: var(--bg-card-hover);
      border-color: var(--border-glow-active);
      transform: translateY(-3px);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
    }

    /* Section 1: Hero 斜向错位 (5:7) */
    .hero-section {
      padding: 60px 0 70px;
      position: relative;
      overflow: hidden;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 5fr 7fr;
      gap: 40px;
      align-items: center;
    }
    .hero-content {
      z-index: 2;
    }
    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(0, 240, 255, 0.12);
      border: 1px solid var(--border-glow);
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 0.8rem;
      color: var(--accent-cyan);
      margin-bottom: 20px;
    }
    .hero-tag span.dot {
      width: 8px;
      height: 8px;
      background: var(--accent-cyan);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--accent-cyan);
    }
    .hero-title {
      font-size: 2.75rem;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 18px;
      color: #fff;
    }
    .hero-title span {
      background: linear-gradient(135deg, #ffffff 40%, var(--accent-cyan) 85%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-intro {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 28px;
    }
    .hero-actions {
      display: flex;
      gap: 16px;
      margin-bottom: 36px;
    }
    .hero-stats {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .stat-item .stat-value {
      font-size: 1.6rem;
      font-weight: 800;
      color: var(--accent-cyan);
      line-height: 1.1;
      font-feature-settings: "tnum";
    }
    .stat-item .stat-label {
      font-size: 0.75rem;
      color: var(--text-dim);
      margin-top: 4px;
    }
    .hero-visual {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-glow);
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
      transform: perspective(1000px) rotateY(-4deg) rotateX(2deg);
      transition: var(--transition);
    }
    .hero-visual:hover {
      transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
    }
    .hero-visual img {
      width: 100%;
      height: 480px;
      object-fit: cover;
      display: block;
    }
    .hero-visual-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 40%, rgba(6, 10, 23, 0.95) 95%);
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      padding: 28px;
    }
    .visual-badge {
      display: inline-block;
      background: rgba(37, 99, 235, 0.8);
      backdrop-filter: blur(8px);
      padding: 4px 12px;
      font-size: 0.75rem;
      border-radius: 6px;
      margin-bottom: 8px;
      color: #fff;
    }
    .visual-caption {
      font-size: 1.15rem;
      font-weight: 700;
      color: #fff;
    }

    /* Section 2: 服务矩阵 4列 */
    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .matrix-card {
      position: relative;
      display: flex;
      flex-direction: column;
    }
    .matrix-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: rgba(0, 240, 255, 0.08);
      border: 1px solid var(--border-glow);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--accent-cyan);
      margin-bottom: 16px;
    }
    .matrix-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 10px;
    }
    .matrix-text {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Section 3: 对比表格 */
    .compare-wrap {
      overflow-x: auto;
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      border-radius: var(--radius-md);
      overflow: hidden;
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
    }
    .compare-table th, .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
      font-size: 0.9rem;
    }
    .compare-table th {
      background: rgba(11, 19, 43, 0.9);
      font-weight: 700;
      color: #fff;
    }
    .compare-table th.highlight, .compare-table td.highlight {
      background: rgba(0, 240, 255, 0.05);
      color: var(--accent-cyan);
      font-weight: 600;
    }
    .badge-check {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--accent-cyan);
    }

    /* Section 4: 里程碑发展历程 */
    .timeline-wrap {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .timeline-item {
      position: relative;
    }
    .timeline-node {
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--accent-cyan);
      padding: 4px 10px;
      background: rgba(0, 240, 255, 0.1);
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 12px;
    }
    .timeline-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 8px;
    }
    .timeline-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Section 5: 资讯流 3列 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .news-card {
      display: flex;
      flex-direction: column;
      border-radius: var(--radius-md);
      overflow: hidden;
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
    }
    .news-thumb {
      position: relative;
      height: 190px;
      overflow: hidden;
    }
    .news-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: var(--transition);
    }
    .news-card:hover .news-thumb img {
      transform: scale(1.05);
    }
    .news-tag {
      position: absolute;
      top: 12px;
      left: 12px;
      background: rgba(6, 10, 23, 0.75);
      backdrop-filter: blur(8px);
      border: 1px solid var(--border-glow);
      color: var(--accent-cyan);
      font-size: 0.75rem;
      font-weight: 600;
      padding: 2px 10px;
      border-radius: 12px;
    }
    .news-body {
      padding: 20px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }
    .news-meta {
      font-size: 0.75rem;
      color: var(--text-dim);
      margin-bottom: 8px;
    }
    .news-heading {
      font-size: 1.05rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .news-summary {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex: 1;
    }
    .news-link {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--accent-cyan);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* Section 6: 安全与平台保障 */
    .security-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .security-box {
      border: 1px solid rgba(0, 240, 255, 0.2);
      border-radius: var(--radius-md);
      padding: 24px;
      background: linear-gradient(180deg, rgba(16, 26, 56, 0.7), rgba(11, 19, 43, 0.5));
      position: relative;
    }
    .security-box::before {
      content: "";
      position: absolute;
      top: 0;
      left: 20px;
      right: 20px;
      height: 1px;
      background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
    }
    .security-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 8px;
    }
    .security-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Section 7: 热榜选片通道 (唯一定向分类页) */
    .channel-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .channel-card {
      display: block;
      border-radius: var(--radius-md);
      overflow: hidden;
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      position: relative;
      transition: var(--transition);
    }
    .channel-card:hover {
      border-color: var(--accent-cyan);
      box-shadow: var(--shadow-glow);
      transform: translateY(-4px);
    }
    .channel-cover {
      height: 220px;
      position: relative;
      overflow: hidden;
    }
    .channel-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: var(--transition);
    }
    .channel-card:hover .channel-cover img {
      transform: scale(1.08);
    }
    .channel-badge {
      position: absolute;
      top: 12px;
      right: 12px;
      background: rgba(37, 99, 235, 0.85);
      backdrop-filter: blur(8px);
      padding: 3px 8px;
      border-radius: 6px;
      font-size: 0.75rem;
      font-weight: 700;
      color: #fff;
    }
    .channel-info {
      padding: 18px;
      background: rgba(11, 19, 43, 0.95);
    }
    .channel-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 6px;
    }
    .channel-sub {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* Section 8: 跨端指南 3步 */
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .step-card {
      position: relative;
      padding: 28px;
    }
    .step-num {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--accent-blue);
      color: #fff;
      font-weight: 800;
      font-size: 1rem;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 16px;
      box-shadow: 0 0 12px rgba(37, 99, 235, 0.6);
    }
    .step-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 8px;
    }
    .step-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Section 9: 全场景视听 */
    .scene-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .scene-card {
      padding: 24px;
      background: var(--bg-card);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-glow);
    }
    .scene-tag {
      font-size: 0.75rem;
      font-weight: 600;
      color: var(--accent-cyan);
      margin-bottom: 8px;
      display: block;
    }
    .scene-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 10px;
    }
    .scene-desc {
      font-size: 0.86rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Section 10: 影迷互动综合看板 */
    .interact-grid {
      display: grid;
      grid-template-columns: 1fr 2fr;
      gap: 24px;
    }
    .radar-box {
      display: flex;
      flex-direction: column;
      justify-content: space-around;
      padding: 24px;
    }
    .radar-item {
      margin-bottom: 16px;
    }
    .radar-label {
      display: flex;
      justify-content: space-between;
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-bottom: 6px;
    }
    .radar-bar {
      height: 8px;
      background: rgba(255, 255, 255, 0.08);
      border-radius: 4px;
      overflow: hidden;
    }
    .radar-bar-fill {
      height: 100%;
      background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
      border-radius: 4px;
    }
    .comment-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .comment-item {
      padding: 18px;
      background: rgba(16, 26, 56, 0.5);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-sm);
    }
    .comment-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 8px;
    }
    .comment-user {
      font-size: 0.9rem;
      font-weight: 700;
      color: #fff;
    }
    .comment-rate {
      color: #eab308;
      font-size: 0.8rem;
    }
    .comment-body {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Section 11: 播放性能与故障快速解答 */
    .trouble-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .trouble-card {
      padding: 20px;
      background: var(--bg-card);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-glow);
    }
    .trouble-status {
      display: inline-block;
      padding: 2px 8px;
      background: rgba(234, 179, 8, 0.15);
      color: #facc15;
      font-size: 0.75rem;
      font-weight: 600;
      border-radius: 4px;
      margin-bottom: 10px;
    }
    .trouble-title {
      font-size: 1rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 8px;
    }
    .trouble-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Section 12: 手风琴 FAQ */
    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
      max-width: 960px;
      margin: 0 auto;
    }
    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-md);
      overflow: hidden;
    }
    .faq-item summary {
      padding: 18px 24px;
      font-size: 1.05rem;
      font-weight: 700;
      color: #fff;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      list-style: none;
      user-select: none;
    }
    .faq-item summary::-webkit-details-marker {
      display: none;
    }
    .faq-item summary::after {
      content: "+";
      font-size: 1.4rem;
      color: var(--accent-cyan);
      transition: var(--transition);
    }
    .faq-item[open] summary::after {
      content: "−";
      transform: rotate(180deg);
    }
    .faq-content {
      padding: 0 24px 20px;
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.75;
      border-top: 1px solid rgba(255, 255, 255, 0.04);
      padding-top: 14px;
    }

    /* Section 13: 转化表单 */
    .cta-banner {
      background: linear-gradient(135deg, rgba(16, 26, 56, 0.9), rgba(11, 19, 43, 0.95));
      border: 1px solid var(--border-glow-active);
      border-radius: var(--radius-lg);
      padding: 48px;
      position: relative;
      overflow: hidden;
      box-shadow: 0 0 32px rgba(0, 240, 255, 0.15);
    }
    .cta-inner {
      display: grid;
      grid-template-columns: 3fr 2fr;
      gap: 36px;
      align-items: center;
      position: relative;
      z-index: 2;
    }
    .cta-title {
      font-size: 2rem;
      font-weight: 800;
      color: #fff;
      margin-bottom: 12px;
    }
    .cta-desc {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 24px;
    }
    .cta-badges {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
    }
    .cta-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.8rem;
      color: var(--accent-cyan);
      background: rgba(0, 240, 255, 0.08);
      padding: 6px 12px;
      border-radius: 6px;
      border: 1px solid var(--border-glow);
    }
    .cta-form {
      display: flex;
      flex-direction: column;
      gap: 12px;
      background: rgba(6, 10, 23, 0.6);
      padding: 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-glow);
    }
    .cta-input-group {
      display: flex;
      gap: 8px;
    }
    .cta-input {
      flex: 1;
      background: rgba(16, 26, 56, 0.8);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-sm);
      padding: 12px 16px;
      color: #fff;
      font-size: 0.9rem;
      outline: none;
    }
    .cta-input:focus {
      border-color: var(--accent-cyan);
      box-shadow: 0 0 8px rgba(0, 240, 255, 0.3);
    }
    .cta-form-tip {
      font-size: 0.75rem;
      color: var(--text-dim);
    }

    /* Footer */
    .site-footer {
      background: #03060f;
      border-top: 1px solid var(--border-glow);
      padding: 50px 0 30px;
      margin-top: 40px;
      font-size: 0.85rem;
      color: var(--text-dim);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
    }
    .footer-brand .brand-logo {
      margin-bottom: 14px;
    }
    .footer-desc {
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      font-size: 0.85rem;
    }
    .footer-col-title {
      color: #fff;
      font-size: 0.95rem;
      font-weight: 700;
      margin-bottom: 16px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a {
      color: var(--text-muted);
    }
    .footer-links a:hover {
      color: var(--accent-cyan);
    }
    .footer-bottom {
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
      }
      .hero-visual {
        transform: none;
      }
      .hero-visual img {
        height: 360px;
      }
      .matrix-grid, .timeline-wrap, .security-grid, .channel-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .interact-grid, .cta-inner {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 768px) {
      .site-header {
        height: auto;
        padding: 12px 0;
      }
      .nav-inner {
        flex-direction: column;
        gap: 12px;
      }
      .nav-left {
        flex-direction: column;
        gap: 12px;
      }
      .nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 8px;
      }
      .nav-right {
        width: 100%;
        justify-content: center;
      }
      .hero-title {
        font-size: 2rem;
      }
      .hero-stats {
        grid-template-columns: repeat(2, 1fr);
      }
      .matrix-grid, .news-grid, .timeline-wrap, .security-grid, .channel-grid, .steps-grid, .scene-grid, .trouble-grid {
        grid-template-columns: 1fr;
      }
      .cta-banner {
        padding: 24px;
      }
      .cta-input-group {
        flex-direction: column;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }

/* roulang page: category2 */
:root {
      --bg-main: #060a17;
      --bg-surface: #0b132b;
      --bg-card: rgba(16, 26, 56, 0.65);
      --bg-card-hover: rgba(23, 37, 78, 0.85);
      --accent-cyan: #00f0ff;
      --accent-blue: #2563eb;
      --accent-violet: #8b5cf6;
      --text-main: #f8fafc;
      --text-muted: #94a3b8;
      --text-dim: #64748b;
      --border-glow: rgba(0, 240, 255, 0.16);
      --border-glow-active: rgba(0, 240, 255, 0.45);
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --shadow-glow: 0 0 16px rgba(0, 240, 255, 0.3);
      --shadow-glow-lg: 0 0 28px rgba(0, 240, 255, 0.55);
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      background-color: var(--bg-main);
      color: var(--text-main);
      font-family: var(--font-sans);
      line-height: 1.6;
      overflow-x: hidden;
      background-image: 
        radial-gradient(circle at 15% 20%, rgba(37, 99, 235, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 85% 60%, rgba(139, 92, 246, 0.1) 0%, transparent 45%),
        linear-gradient(to bottom, #060a17, #080e22 50%, #060a17);
      background-attachment: fixed;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .container {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }
    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      height: 68px;
      background: rgba(6, 10, 23, 0.85);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-glow);
      display: flex;
      align-items: center;
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
    }
    .nav-left {
      display: flex;
      align-items: center;
      gap: 36px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.45rem;
      font-weight: 800;
      letter-spacing: 1px;
      color: #fff;
    }
    .brand-logo-icon {
      width: 34px;
      height: 34px;
      border-radius: 8px;
      background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: var(--shadow-glow);
    }
    .brand-logo-icon svg {
      width: 20px;
      height: 20px;
      fill: #fff;
    }
    .brand-logo span {
      background: linear-gradient(90deg, #ffffff, var(--accent-cyan));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 22px;
      list-style: none;
    }
    .nav-item a {
      font-size: 0.95rem;
      color: var(--text-muted);
      font-weight: 500;
      padding: 6px 12px;
      border-radius: var(--radius-sm);
      position: relative;
    }
    .nav-item a:hover, .nav-item.active a {
      color: #fff;
      background: rgba(0, 240, 255, 0.08);
    }
    .nav-item.active a::after {
      content: "";
      position: absolute;
      bottom: -16px;
      left: 12px;
      right: 12px;
      height: 2px;
      background: var(--accent-cyan);
      box-shadow: 0 0 8px var(--accent-cyan);
    }
    .nav-right {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .nav-search {
      display: flex;
      align-items: center;
      background: rgba(16, 26, 56, 0.8);
      border: 1px solid var(--border-glow);
      border-radius: 20px;
      padding: 6px 14px;
    }
    .nav-search input {
      background: transparent;
      border: none;
      outline: none;
      color: var(--text-main);
      font-size: 0.85rem;
      width: 140px;
      transition: var(--transition);
    }
    .nav-search input:focus {
      width: 180px;
    }
    .nav-search button {
      background: transparent;
      border: none;
      color: var(--accent-cyan);
      cursor: pointer;
      display: flex;
      align-items: center;
    }
    .btn-glow {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
      color: #030712;
      font-weight: 700;
      font-size: 0.9rem;
      padding: 8px 18px;
      border-radius: 20px;
      border: none;
      cursor: pointer;
      box-shadow: var(--shadow-glow);
      transition: var(--transition);
    }
    .btn-glow:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-glow-lg);
      color: #000;
    }
    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: rgba(16, 26, 56, 0.7);
      color: var(--text-main);
      font-weight: 600;
      font-size: 0.9rem;
      padding: 8px 18px;
      border-radius: 20px;
      border: 1px solid var(--border-glow);
      cursor: pointer;
      transition: var(--transition);
      backdrop-filter: blur(8px);
    }
    .btn-outline:hover {
      border-color: var(--accent-cyan);
      color: var(--accent-cyan);
      background: rgba(0, 240, 255, 0.08);
    }

    /* 板块通用规范 */
    section {
      padding: 56px 0;
      position: relative;
    }
    .section-head {
      margin-bottom: 28px;
    }
    .section-badge {
      display: inline-block;
      padding: 4px 12px;
      font-size: 0.75rem;
      font-weight: 600;
      letter-spacing: 1px;
      color: var(--accent-cyan);
      background: rgba(0, 240, 255, 0.1);
      border: 1px solid var(--border-glow);
      border-radius: 12px;
      margin-bottom: 10px;
    }
    .section-title {
      font-size: 1.85rem;
      font-weight: 800;
      color: #fff;
      margin-bottom: 10px;
      letter-spacing: -0.5px;
    }
    .section-desc {
      font-size: 0.92rem;
      color: var(--text-muted);
      max-width: 820px;
      line-height: 1.6;
    }

    /* 板块 1：分类专属 H1 导视与多维聚合筛选栏 */
    .filter-header-section {
      padding-top: 40px;
      padding-bottom: 30px;
      background: radial-gradient(ellipse at 50% 0%, rgba(37, 99, 235, 0.18), transparent 70%);
      border-bottom: 1px solid rgba(0, 240, 255, 0.08);
    }
    .filter-box {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-lg);
      padding: 24px 28px;
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    }
    .filter-row {
      display: flex;
      align-items: flex-start;
      gap: 16px;
      padding: 10px 0;
      border-bottom: 1px dashed rgba(255, 255, 255, 0.06);
    }
    .filter-row:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }
    .filter-label {
      width: 80px;
      flex-shrink: 0;
      font-size: 0.85rem;
      color: var(--text-dim);
      font-weight: 600;
      line-height: 28px;
    }
    .filter-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      flex: 1;
    }
    .filter-tag {
      font-size: 0.82rem;
      padding: 4px 12px;
      border-radius: 6px;
      color: var(--text-muted);
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid transparent;
      cursor: pointer;
      transition: var(--transition);
    }
    .filter-tag:hover {
      color: #fff;
      border-color: rgba(0, 240, 255, 0.3);
      background: rgba(0, 240, 255, 0.06);
    }
    .filter-tag.active {
      background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(37, 99, 235, 0.3));
      border-color: var(--accent-cyan);
      color: #fff;
      font-weight: 600;
      box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
    }

    /* 板块 2：神马影院片目矩阵主列表 */
    .series-grid {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 20px;
    }
    .series-card {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      backdrop-filter: blur(12px);
      transition: var(--transition);
      position: relative;
    }
    .series-card:hover {
      transform: translateY(-6px);
      border-color: var(--accent-cyan);
      box-shadow: 0 12px 28px rgba(0, 240, 255, 0.18);
    }
    .series-poster {
      position: relative;
      aspect-ratio: 3/4.2;
      overflow: hidden;
      background: #0d1633;
    }
    .series-poster img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .series-card:hover .series-poster img {
      transform: scale(1.06);
    }
    .poster-badge {
      position: absolute;
      top: 8px;
      left: 8px;
      font-size: 0.68rem;
      font-weight: 700;
      padding: 2px 7px;
      border-radius: 4px;
      background: rgba(0, 240, 255, 0.85);
      color: #060a17;
      letter-spacing: 0.5px;
      box-shadow: 0 2px 6px rgba(0, 0, 0, 0.5);
    }
    .poster-score {
      position: absolute;
      bottom: 8px;
      right: 8px;
      font-size: 0.75rem;
      font-weight: 800;
      padding: 2px 6px;
      border-radius: 4px;
      background: rgba(11, 19, 43, 0.85);
      color: #fbbf24;
      border: 1px solid rgba(251, 191, 36, 0.3);
      backdrop-filter: blur(4px);
    }
    .series-info {
      padding: 12px 14px 14px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .series-title {
      font-size: 0.95rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 6px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      letter-spacing: 0.3px;
    }
    .series-meta {
      font-size: 0.78rem;
      color: var(--text-dim);
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-top: auto;
    }
    .series-status {
      color: var(--accent-cyan);
      font-weight: 500;
    }
    .list-action-center {
      margin-top: 40px;
      text-align: center;
    }
    .btn-more-load {
      padding: 12px 36px;
      font-size: 0.95rem;
      display: inline-block;
    }

    /* 板块 3：本品类热度飙升排位榜 */
    .rank-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
    }
    .rank-item {
      display: flex;
      align-items: center;
      gap: 16px;
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-md);
      padding: 14px 18px;
      backdrop-filter: blur(12px);
      transition: var(--transition);
    }
    .rank-item:hover {
      border-color: rgba(0, 240, 255, 0.4);
      background: var(--bg-card-hover);
      transform: translateX(4px);
    }
    .rank-num {
      width: 32px;
      height: 32px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.1rem;
      flex-shrink: 0;
      background: rgba(255, 255, 255, 0.05);
      color: var(--text-muted);
    }
    .rank-top-1 {
      background: linear-gradient(135deg, #f59e0b, #ef4444);
      color: #fff;
      box-shadow: 0 0 12px rgba(245, 158, 11, 0.5);
    }
    .rank-top-2 {
      background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
      color: #060a17;
      box-shadow: 0 0 12px rgba(0, 240, 255, 0.4);
    }
    .rank-top-3 {
      background: linear-gradient(135deg, #a855f7, #ec4899);
      color: #fff;
      box-shadow: 0 0 12px rgba(168, 85, 247, 0.4);
    }
    .rank-content {
      flex: 1;
      min-width: 0;
    }
    .rank-name {
      font-size: 0.95rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 4px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .rank-sub {
      font-size: 0.8rem;
      color: var(--text-muted);
      display: flex;
      gap: 12px;
    }
    .rank-hot-val {
      color: #f87171;
      font-weight: 600;
    }

    /* 板块 4：分类主题深度解析看板 */
    .analysis-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 28px;
    }
    .analysis-card {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-lg);
      padding: 30px;
      backdrop-filter: blur(16px);
      position: relative;
      overflow: hidden;
    }
    .analysis-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 4px;
      height: 100%;
      background: linear-gradient(to bottom, var(--accent-cyan), var(--accent-blue));
    }
    .analysis-tag {
      font-size: 0.78rem;
      color: var(--accent-cyan);
      font-weight: 600;
      margin-bottom: 8px;
      display: inline-block;
    }
    .analysis-title {
      font-size: 1.35rem;
      font-weight: 800;
      color: #fff;
      margin-bottom: 14px;
    }
    .analysis-text {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 18px;
    }
    .analysis-points {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .analysis-points li {
      font-size: 0.85rem;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .analysis-points li::before {
      content: "▪";
      color: var(--accent-cyan);
      font-size: 1.2rem;
    }

    /* 板块 5：本品类音画技术规格看板 */
    .specs-board {
      background: linear-gradient(135deg, rgba(16, 26, 56, 0.7), rgba(11, 19, 43, 0.8));
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-lg);
      padding: 36px 32px;
      backdrop-filter: blur(16px);
    }
    .specs-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .spec-item {
      background: rgba(6, 10, 23, 0.6);
      border: 1px solid rgba(0, 240, 255, 0.1);
      border-radius: var(--radius-md);
      padding: 20px;
      text-align: center;
    }
    .spec-val {
      font-size: 1.9rem;
      font-weight: 800;
      color: var(--accent-cyan);
      margin-bottom: 6px;
      letter-spacing: -0.5px;
    }
    .spec-label {
      font-size: 0.9rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 4px;
    }
    .spec-desc {
      font-size: 0.78rem;
      color: var(--text-dim);
      line-height: 1.5;
    }

    /* 板块 6：衍生专题剧场推荐矩阵 */
    .theater-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .theater-card {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .theater-card:hover {
      transform: translateY(-4px);
      border-color: var(--accent-cyan);
      box-shadow: 0 10px 24px rgba(0, 240, 255, 0.15);
    }
    .theater-img {
      position: relative;
      height: 160px;
      overflow: hidden;
    }
    .theater-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .theater-card:hover .theater-img img {
      transform: scale(1.08);
    }
    .theater-body {
      padding: 20px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .theater-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 8px;
    }
    .theater-intro {
      font-size: 0.85rem;
      color: var(--text-muted);
      lineheight: 1.6;
      margin-bottom: 16px;
      flex: 1;
    }
    .theater-link {
      font-size: 0.82rem;
      font-weight: 600;
      color: var(--accent-cyan);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .theater-link:hover {
      text-decoration: underline;
    }

    /* 板块 7：品类播放设备调试指引 */
    .guide-box {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-lg);
      padding: 32px;
      backdrop-filter: blur(16px);
    }
    .guide-steps {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      position: relative;
    }
    .step-card {
      background: rgba(11, 19, 43, 0.7);
      border: 1px solid rgba(0, 240, 255, 0.1);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      position: relative;
    }
    .step-num {
      width: 32px;
      height: 32px;
      background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
      color: #030712;
      font-weight: 800;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.9rem;
      margin-bottom: 14px;
      box-shadow: var(--shadow-glow);
    }
    .step-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 8px;
    }
    .step-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块 8：品类片源调配 FAQ */
    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
      max-width: 960px;
      margin: 0 auto;
    }
    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-md);
      overflow: hidden;
      backdrop-filter: blur(12px);
      transition: var(--transition);
    }
    .faq-item:hover {
      border-color: rgba(0, 240, 255, 0.35);
    }
    .faq-question {
      padding: 18px 24px;
      font-size: 1rem;
      font-weight: 700;
      color: #fff;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      user-select: none;
    }
    .faq-icon {
      color: var(--accent-cyan);
      font-size: 1.2rem;
      transition: transform 0.3s ease;
    }
    .faq-answer {
      padding: 0 24px 18px;
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.7;
      border-top: 1px dashed rgba(255, 255, 255, 0.05);
      padding-top: 14px;
    }

    /* 页脚 */
    .site-footer {
      background: #040711;
      border-top: 1px solid var(--border-glow);
      padding: 56px 0 28px;
      color: var(--text-muted);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 36px;
      margin-bottom: 40px;
    }
    .footer-desc {
      font-size: 0.86rem;
      line-height: 1.7;
      margin: 14px 0 16px;
      color: var(--text-muted);
      max-width: 360px;
    }
    .footer-col-title {
      font-size: 1rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 16px;
      position: relative;
    }
    .footer-col-title::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: -6px;
      width: 24px;
      height: 2px;
      background: var(--accent-cyan);
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links li a {
      font-size: 0.85rem;
      color: var(--text-muted);
    }
    .footer-links li a:hover {
      color: var(--accent-cyan);
      padding-left: 4px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.8rem;
      color: var(--text-dim);
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .series-grid { grid-template-columns: repeat(4, 1fr); }
      .specs-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
      .nav-links, .nav-search { display: none; }
      .series-grid { grid-template-columns: repeat(3, 1fr); }
      .rank-grid { grid-template-columns: 1fr; }
      .analysis-grid { grid-template-columns: 1fr; }
      .theater-grid { grid-template-columns: 1fr; }
      .guide-steps { grid-template-columns: 1fr; }
      .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
    }
    @media (max-width: 520px) {
      .series-grid { grid-template-columns: repeat(2, 1fr); }
      .filter-row { flex-direction: column; gap: 6px; }
      .filter-label { width: 100%; }
      .specs-grid { grid-template-columns: 1fr; }
    }

/* roulang page: category1 */
:root {
      --bg-main: #060a17;
      --bg-surface: #0b132b;
      --bg-card: rgba(16, 26, 56, 0.65);
      --bg-card-hover: rgba(23, 37, 78, 0.85);
      --accent-cyan: #00f0ff;
      --accent-blue: #2563eb;
      --accent-violet: #8b5cf6;
      --text-main: #f8fafc;
      --text-muted: #94a3b8;
      --text-dim: #64748b;
      --border-glow: rgba(0, 240, 255, 0.16);
      --border-glow-active: rgba(0, 240, 255, 0.45);
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --shadow-glow: 0 0 16px rgba(0, 240, 255, 0.3);
      --shadow-glow-lg: 0 0 28px rgba(0, 240, 255, 0.55);
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      background-color: var(--bg-main);
      color: var(--text-main);
      font-family: var(--font-sans);
      line-height: 1.6;
      overflow-x: hidden;
      background-image: 
        radial-gradient(circle at 15% 20%, rgba(37, 99, 235, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 85% 60%, rgba(139, 92, 246, 0.1) 0%, transparent 45%),
        linear-gradient(to bottom, #060a17, #080e22 50%, #060a17);
      background-attachment: fixed;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .container {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      height: 68px;
      background: rgba(6, 10, 23, 0.85);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-glow);
      display: flex;
      align-items: center;
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
    }
    .nav-left {
      display: flex;
      align-items: center;
      gap: 36px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.45rem;
      font-weight: 800;
      letter-spacing: 1px;
      color: #fff;
    }
    .brand-logo-icon {
      width: 34px;
      height: 34px;
      border-radius: 8px;
      background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: var(--shadow-glow);
    }
    .brand-logo-icon svg {
      width: 20px;
      height: 20px;
      fill: #fff;
    }
    .brand-logo span {
      background: linear-gradient(90deg, #ffffff, var(--accent-cyan));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 22px;
      list-style: none;
    }
    .nav-item a {
      font-size: 0.95rem;
      color: var(--text-muted);
      font-weight: 500;
      padding: 6px 12px;
      border-radius: var(--radius-sm);
      position: relative;
    }
    .nav-item a:hover, .nav-item.active a {
      color: #fff;
      background: rgba(0, 240, 255, 0.08);
    }
    .nav-item.active a::after {
      content: "";
      position: absolute;
      bottom: -16px;
      left: 12px;
      right: 12px;
      height: 2px;
      background: var(--accent-cyan);
      box-shadow: 0 0 8px var(--accent-cyan);
    }
    .nav-right {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .nav-search {
      display: flex;
      align-items: center;
      background: rgba(16, 26, 56, 0.8);
      border: 1px solid var(--border-glow);
      border-radius: 20px;
      padding: 6px 14px;
    }
    .nav-search input {
      background: transparent;
      border: none;
      outline: none;
      color: var(--text-main);
      font-size: 0.85rem;
      width: 140px;
      transition: var(--transition);
    }
    .nav-search input:focus {
      width: 180px;
    }
    .nav-search button {
      background: transparent;
      border: none;
      color: var(--accent-cyan);
      cursor: pointer;
      display: flex;
      align-items: center;
    }
    .btn-glow {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
      color: #030712;
      font-weight: 700;
      font-size: 0.9rem;
      padding: 8px 18px;
      border-radius: 20px;
      border: none;
      cursor: pointer;
      box-shadow: var(--shadow-glow);
      transition: var(--transition);
    }
    .btn-glow:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-glow-lg);
      color: #000;
    }
    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: rgba(16, 26, 56, 0.7);
      color: var(--text-main);
      font-weight: 600;
      font-size: 0.9rem;
      padding: 10px 22px;
      border-radius: 24px;
      border: 1px solid var(--border-glow);
      cursor: pointer;
      transition: var(--transition);
      backdrop-filter: blur(8px);
    }
    .btn-outline:hover {
      border-color: var(--accent-cyan);
      color: var(--accent-cyan);
      background: rgba(0, 240, 255, 0.08);
      box-shadow: var(--shadow-glow);
    }
    section {
      padding: 54px 0;
      position: relative;
    }
    .section-head {
      margin-bottom: 28px;
    }
    .section-badge {
      display: inline-block;
      padding: 4px 12px;
      font-size: 0.75rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--accent-cyan);
      background: rgba(0, 240, 255, 0.1);
      border: 1px solid var(--border-glow);
      border-radius: 12px;
      margin-bottom: 12px;
    }
    .section-title {
      font-size: 1.85rem;
      font-weight: 800;
      color: #fff;
      margin-bottom: 8px;
      letter-spacing: -0.5px;
    }
    .section-desc {
      font-size: 0.95rem;
      color: var(--text-muted);
      max-width: 820px;
      line-height: 1.7;
    }

    /* Category Header & Filter Grid */
    .cat-header-panel {
      background: linear-gradient(135deg, rgba(16, 26, 56, 0.8) 0%, rgba(11, 19, 43, 0.9) 100%);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-lg);
      padding: 32px;
      backdrop-filter: blur(16px);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
      margin-top: 10px;
    }
    .cat-title-wrap {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      border-bottom: 1px solid rgba(0, 240, 255, 0.12);
      padding-bottom: 20px;
      margin-bottom: 24px;
      flex-wrap: wrap;
      gap: 16px;
    }
    .cat-h1 {
      font-size: 2.1rem;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: #fff;
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .cat-h1 .h1-pill {
      font-size: 0.8rem;
      background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue));
      color: #030712;
      padding: 3px 10px;
      border-radius: 10px;
      font-weight: 700;
    }
    .cat-stat-badge {
      color: var(--text-muted);
      font-size: 0.9rem;
    }
    .cat-stat-badge b {
      color: var(--accent-cyan);
    }
    .filter-group-wrap {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .filter-row {
      display: flex;
      align-items: flex-start;
      gap: 16px;
      font-size: 0.88rem;
    }
    .filter-label {
      color: var(--text-dim);
      font-weight: 600;
      white-space: nowrap;
      padding-top: 5px;
      min-width: 48px;
    }
    .filter-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }
    .filter-tag {
      color: var(--text-muted);
      padding: 4px 12px;
      border-radius: 6px;
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid transparent;
      cursor: pointer;
      transition: var(--transition);
      font-size: 0.85rem;
    }
    .filter-tag:hover {
      color: #fff;
      background: rgba(0, 240, 255, 0.08);
      border-color: rgba(0, 240, 255, 0.2);
    }
    .filter-tag.active {
      background: rgba(0, 240, 255, 0.15);
      color: var(--accent-cyan);
      font-weight: 600;
      border-color: var(--accent-cyan);
      box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
    }

    /* Movie Poster Matrix */
    .movie-matrix-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 22px;
    }
    .movie-card {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-md);
      overflow: hidden;
      position: relative;
      transition: var(--transition);
      backdrop-filter: blur(12px);
      display: flex;
      flex-direction: column;
    }
    .movie-card:hover {
      transform: translateY(-6px);
      border-color: var(--accent-cyan);
      box-shadow: 0 12px 28px rgba(0, 240, 255, 0.25);
    }
    .movie-thumb-wrap {
      position: relative;
      width: 100%;
      aspect-ratio: 2 / 3;
      overflow: hidden;
      background: #0d1733;
    }
    .movie-thumb-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .movie-card:hover .movie-thumb-wrap img {
      transform: scale(1.08);
    }
    .badge-quality {
      position: absolute;
      top: 10px;
      left: 10px;
      background: rgba(6, 10, 23, 0.85);
      border: 1px solid var(--accent-cyan);
      color: var(--accent-cyan);
      font-size: 0.7rem;
      font-weight: 700;
      padding: 2px 7px;
      border-radius: 4px;
      box-shadow: 0 2px 8px rgba(0,0,0,0.4);
      backdrop-filter: blur(6px);
    }
    .badge-score {
      position: absolute;
      bottom: 10px;
      right: 10px;
      background: linear-gradient(135deg, #f59e0b, #d97706);
      color: #fff;
      font-size: 0.75rem;
      font-weight: 800;
      padding: 2px 8px;
      border-radius: 4px;
      box-shadow: 0 2px 10px rgba(0,0,0,0.5);
    }
    .movie-info {
      padding: 14px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
      justify-content: space-between;
    }
    .movie-name {
      font-size: 0.95rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 6px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      letter-spacing: 0.3px;
    }
    .movie-meta {
      display: flex;
      justify-content: space-between;
      color: var(--text-dim);
      font-size: 0.8rem;
    }
    .load-more-wrap {
      margin-top: 40px;
      text-align: center;
    }

    /* Trending Leaderboard */
    .rank-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
    }
    .rank-item {
      display: flex;
      align-items: center;
      gap: 16px;
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-md);
      padding: 14px 18px;
      transition: var(--transition);
      backdrop-filter: blur(12px);
    }
    .rank-item:hover {
      border-color: var(--border-glow-active);
      background: var(--bg-card-hover);
      transform: translateX(4px);
    }
    .rank-num {
      font-size: 1.6rem;
      font-weight: 900;
      min-width: 38px;
      text-align: center;
      color: var(--text-dim);
      font-style: italic;
    }
    .rank-num.top1 { color: #f59e0b; text-shadow: 0 0 10px rgba(245, 158, 11, 0.5); }
    .rank-num.top2 { color: #00f0ff; text-shadow: 0 0 10px rgba(0, 240, 255, 0.5); }
    .rank-num.top3 { color: #8b5cf6; text-shadow: 0 0 10px rgba(139, 92, 246, 0.5); }
    .rank-thumb {
      width: 50px;
      height: 70px;
      border-radius: var(--radius-sm);
      overflow: hidden;
      flex-shrink: 0;
      background: #0d1733;
    }
    .rank-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .rank-detail {
      flex-grow: 1;
      min-width: 0;
    }
    .rank-title {
      font-size: 0.95rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 4px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .rank-tags {
      font-size: 0.78rem;
      color: var(--text-dim);
      display: flex;
      gap: 10px;
      align-items: center;
    }
    .rank-heat {
      display: flex;
      align-items: center;
      gap: 4px;
      color: #fb7185;
      font-size: 0.8rem;
      font-weight: 700;
      white-space: nowrap;
    }

    /* Analysis Panel */
    .analysis-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }
    .analysis-card {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-lg);
      padding: 28px;
      backdrop-filter: blur(14px);
      position: relative;
      overflow: hidden;
    }
    .analysis-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 4px;
      height: 100%;
      background: linear-gradient(to bottom, var(--accent-cyan), var(--accent-violet));
    }
    .analysis-tag {
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--accent-cyan);
      margin-bottom: 10px;
      display: inline-block;
    }
    .analysis-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 12px;
    }
    .analysis-text {
      color: var(--text-muted);
      font-size: 0.9rem;
      line-height: 1.7;
    }

    /* Tech Specs Panel */
    .specs-board {
      background: linear-gradient(135deg, rgba(16, 26, 56, 0.7), rgba(11, 19, 43, 0.85));
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-lg);
      padding: 32px;
      backdrop-filter: blur(14px);
    }
    .specs-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 24px;
    }
    .spec-item {
      background: rgba(6, 10, 23, 0.6);
      border: 1px solid rgba(0, 240, 255, 0.1);
      border-radius: var(--radius-md);
      padding: 20px;
      text-align: center;
      transition: var(--transition);
    }
    .spec-item:hover {
      border-color: var(--accent-cyan);
      box-shadow: var(--shadow-glow);
      transform: translateY(-3px);
    }
    .spec-val {
      font-size: 1.8rem;
      font-weight: 800;
      color: #fff;
      margin-bottom: 6px;
      background: linear-gradient(90deg, #fff, var(--accent-cyan));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .spec-name {
      color: var(--text-muted);
      font-size: 0.85rem;
      font-weight: 600;
      margin-bottom: 4px;
    }
    .spec-desc {
      color: var(--text-dim);
      font-size: 0.75rem;
    }

    /* Topic Theater Grid */
    .theater-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .theater-card {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-lg);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      backdrop-filter: blur(12px);
      transition: var(--transition);
    }
    .theater-card:hover {
      border-color: var(--accent-cyan);
      transform: translateY(-5px);
      box-shadow: 0 10px 24px rgba(0, 240, 255, 0.2);
    }
    .theater-cover {
      width: 100%;
      height: 170px;
      overflow: hidden;
      position: relative;
    }
    .theater-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .theater-card:hover .theater-cover img {
      transform: scale(1.05);
    }
    .theater-tag {
      position: absolute;
      top: 12px;
      left: 12px;
      background: rgba(6, 10, 23, 0.8);
      border: 1px solid var(--accent-cyan);
      color: var(--accent-cyan);
      font-size: 0.75rem;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 4px;
      backdrop-filter: blur(8px);
    }
    .theater-content {
      padding: 22px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .theater-name {
      font-size: 1.15rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 8px;
    }
    .theater-desc {
      color: var(--text-muted);
      font-size: 0.85rem;
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }
    .theater-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--accent-cyan);
      font-size: 0.85rem;
      font-weight: 700;
    }
    .theater-link:hover {
      text-shadow: 0 0 8px var(--accent-cyan);
      transform: translateX(4px);
    }

    /* Device Setup Steps */
    .device-steps-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .step-card {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-lg);
      padding: 26px;
      position: relative;
      backdrop-filter: blur(12px);
      transition: var(--transition);
    }
    .step-card:hover {
      border-color: var(--accent-cyan);
      transform: translateY(-4px);
    }
    .step-index {
      width: 36px;
      height: 36px;
      border-radius: 10px;
      background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
      color: #030712;
      font-weight: 800;
      font-size: 1.1rem;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 16px;
      box-shadow: var(--shadow-glow);
    }
    .step-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 8px;
    }
    .step-desc {
      color: var(--text-muted);
      font-size: 0.88rem;
      line-height: 1.65;
    }

    /* FAQ Section */
    .faq-accordion {
      display: flex;
      flex-direction: column;
      gap: 16px;
      max-width: 960px;
      margin: 0 auto;
    }
    .faq-card {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-md);
      overflow: hidden;
      backdrop-filter: blur(12px);
      transition: var(--transition);
    }
    .faq-card:hover {
      border-color: var(--border-glow-active);
    }
    .faq-question {
      padding: 20px 24px;
      font-size: 1.05rem;
      font-weight: 700;
      color: #fff;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      user-select: none;
    }
    .faq-icon {
      color: var(--accent-cyan);
      font-size: 1.2rem;
      transition: transform 0.3s ease;
    }
    .faq-answer {
      padding: 0 24px 20px;
      color: var(--text-muted);
      font-size: 0.92rem;
      line-height: 1.7;
    }

    /* Footer */
    .site-footer {
      background: #030712;
      border-top: 1px solid var(--border-glow);
      padding: 60px 0 30px;
      margin-top: 40px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
    }
    .footer-brand {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .footer-desc {
      color: var(--text-muted);
      font-size: 0.88rem;
      line-height: 1.7;
    }
    .footer-col-title {
      color: #fff;
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 18px;
      letter-spacing: 0.5px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a {
      color: var(--text-dim);
      font-size: 0.86rem;
    }
    .footer-links a:hover {
      color: var(--accent-cyan);
      padding-left: 4px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      color: var(--text-dim);
      font-size: 0.8rem;
    }
    .footer-bottom a:hover {
      color: var(--accent-cyan);
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .movie-matrix-grid { grid-template-columns: repeat(4, 1fr); }
      .specs-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
      .movie-matrix-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
      .rank-grid { grid-template-columns: 1fr; }
      .analysis-grid { grid-template-columns: 1fr; }
      .theater-grid { grid-template-columns: 1fr; }
      .device-steps-grid { grid-template-columns: 1fr; }
      .nav-links { display: none; }
      .cat-h1 { font-size: 1.6rem; }
      .specs-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
      .footer-bottom { flex-direction: column; text-align: center; }
    }
    @media (max-width: 520px) {
      .container { padding: 0 16px; }
      .cat-header-panel { padding: 20px; }
      .nav-search { display: none; }
    }

/* roulang page: category3 */
:root {
      --bg-main: #060a17;
      --bg-surface: #0b132b;
      --bg-card: rgba(16, 26, 56, 0.65);
      --bg-card-hover: rgba(23, 37, 78, 0.85);
      --accent-cyan: #00f0ff;
      --accent-blue: #2563eb;
      --accent-violet: #8b5cf6;
      --text-main: #f8fafc;
      --text-muted: #94a3b8;
      --text-dim: #64748b;
      --border-glow: rgba(0, 240, 255, 0.16);
      --border-glow-active: rgba(0, 240, 255, 0.45);
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --shadow-glow: 0 0 16px rgba(0, 240, 255, 0.3);
      --shadow-glow-lg: 0 0 28px rgba(0, 240, 255, 0.55);
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      background-color: var(--bg-main);
      color: var(--text-main);
      font-family: var(--font-sans);
      line-height: 1.6;
      overflow-x: hidden;
      background-image: 
        radial-gradient(circle at 15% 20%, rgba(37, 99, 235, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 85% 60%, rgba(139, 92, 246, 0.1) 0%, transparent 45%),
        linear-gradient(to bottom, #060a17, #080e22 50%, #060a17);
      background-attachment: fixed;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .container {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }
    /* Header & Nav */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      height: 68px;
      background: rgba(6, 10, 23, 0.85);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-glow);
      display: flex;
      align-items: center;
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
    }
    .nav-left {
      display: flex;
      align-items: center;
      gap: 36px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.45rem;
      font-weight: 800;
      letter-spacing: 1px;
      color: #fff;
    }
    .brand-logo-icon {
      width: 34px;
      height: 34px;
      border-radius: 8px;
      background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: var(--shadow-glow);
    }
    .brand-logo-icon svg {
      width: 20px;
      height: 20px;
      fill: #fff;
    }
    .brand-logo span {
      background: linear-gradient(90deg, #ffffff, var(--accent-cyan));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 22px;
      list-style: none;
    }
    .nav-item a {
      font-size: 0.95rem;
      color: var(--text-muted);
      font-weight: 500;
      padding: 6px 12px;
      border-radius: var(--radius-sm);
      position: relative;
    }
    .nav-item a:hover, .nav-item.active a {
      color: #fff;
      background: rgba(0, 240, 255, 0.08);
    }
    .nav-item.active a::after {
      content: "";
      position: absolute;
      bottom: -16px;
      left: 12px;
      right: 12px;
      height: 2px;
      background: var(--accent-cyan);
      box-shadow: 0 0 8px var(--accent-cyan);
    }
    .nav-right {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .nav-search {
      display: flex;
      align-items: center;
      background: rgba(16, 26, 56, 0.8);
      border: 1px solid var(--border-glow);
      border-radius: 20px;
      padding: 6px 14px;
    }
    .nav-search input {
      background: transparent;
      border: none;
      outline: none;
      color: var(--text-main);
      font-size: 0.85rem;
      width: 140px;
      transition: var(--transition);
    }
    .nav-search input:focus {
      width: 180px;
    }
    .nav-search button {
      background: transparent;
      border: none;
      color: var(--accent-cyan);
      cursor: pointer;
      display: flex;
      align-items: center;
    }
    .btn-glow {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
      color: #030712;
      font-weight: 700;
      font-size: 0.9rem;
      padding: 8px 18px;
      border-radius: 20px;
      border: none;
      cursor: pointer;
      box-shadow: var(--shadow-glow);
      transition: var(--transition);
    }
    .btn-glow:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-glow-lg);
      color: #000;
    }
    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: rgba(16, 26, 56, 0.7);
      color: var(--text-main);
      font-weight: 600;
      font-size: 0.9rem;
      padding: 8px 18px;
      border-radius: 20px;
      border: 1px solid var(--border-glow);
      cursor: pointer;
      transition: var(--transition);
      backdrop-filter: blur(8px);
    }
    .btn-outline:hover {
      border-color: var(--accent-cyan);
      color: var(--accent-cyan);
      background: rgba(0, 240, 255, 0.08);
    }
    /* Section Shared */
    section {
      padding: 48px 0;
      position: relative;
    }
    .section-head {
      margin-bottom: 28px;
    }
    .section-badge {
      display: inline-block;
      padding: 4px 12px;
      font-size: 0.75rem;
      font-weight: 600;
      letter-spacing: 1px;
      color: var(--accent-cyan);
      background: rgba(0, 240, 255, 0.1);
      border: 1px solid var(--border-glow);
      border-radius: 12px;
      margin-bottom: 10px;
    }
    .section-title {
      font-size: 1.75rem;
      font-weight: 800;
      color: #fff;
      margin-bottom: 10px;
      letter-spacing: -0.5px;
    }
    .section-desc {
      font-size: 0.92rem;
      color: var(--text-muted);
      max-width: 780px;
      line-height: 1.6;
    }

    /* 板块 1：分类专属 H1 导视与多维聚合筛选栏 */
    .filter-header-section {
      padding-top: 36px;
      padding-bottom: 28px;
      background: linear-gradient(180deg, rgba(11, 19, 43, 0.6) 0%, transparent 100%);
      border-bottom: 1px solid rgba(0, 240, 255, 0.08);
    }
    .category-h1 {
      font-size: 2.2rem;
      font-weight: 900;
      color: #fff;
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 12px;
      letter-spacing: -0.5px;
    }
    .category-h1 span {
      background: linear-gradient(90deg, #ffffff, var(--accent-cyan));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .category-summary {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.6;
      max-width: 900px;
      margin-bottom: 24px;
    }
    .filter-box {
      background: var(--bg-card);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-md);
      padding: 20px 24px;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .filter-row {
      display: flex;
      align-items: center;
      font-size: 0.88rem;
    }
    .filter-label {
      width: 80px;
      color: var(--text-dim);
      font-weight: 600;
      flex-shrink: 0;
    }
    .filter-items {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }
    .filter-tag {
      padding: 4px 12px;
      border-radius: 6px;
      color: var(--text-muted);
      cursor: pointer;
      transition: var(--transition);
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid transparent;
    }
    .filter-tag:hover, .filter-tag.active {
      color: var(--accent-cyan);
      background: rgba(0, 240, 255, 0.1);
      border-color: rgba(0, 240, 255, 0.3);
      font-weight: 600;
    }

    /* 板块 2：神马影院片目矩阵主列表 */
    .anime-grid {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 20px;
    }
    .anime-card {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: var(--transition);
      position: relative;
    }
    .anime-card:hover {
      transform: translateY(-5px);
      border-color: var(--border-glow-active);
      box-shadow: var(--shadow-glow);
    }
    .poster-wrap {
      position: relative;
      width: 100%;
      aspect-ratio: 2/3;
      overflow: hidden;
      background: #0d1630;
    }
    .poster-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .anime-card:hover .poster-wrap img {
      transform: scale(1.06);
    }
    .badge-quality {
      position: absolute;
      top: 8px;
      left: 8px;
      font-size: 0.7rem;
      font-weight: 700;
      padding: 2px 7px;
      border-radius: 4px;
      background: rgba(0, 240, 255, 0.85);
      color: #030712;
      box-shadow: 0 2px 8px rgba(0,0,0,0.4);
    }
    .badge-fps {
      position: absolute;
      top: 8px;
      right: 8px;
      font-size: 0.7rem;
      font-weight: 700;
      padding: 2px 6px;
      border-radius: 4px;
      background: rgba(139, 92, 246, 0.85);
      color: #fff;
    }
    .badge-rating {
      position: absolute;
      bottom: 8px;
      right: 8px;
      font-size: 0.75rem;
      font-weight: 800;
      padding: 2px 8px;
      border-radius: 4px;
      background: rgba(11, 19, 43, 0.88);
      color: #f59e0b;
      border: 1px solid rgba(245, 158, 11, 0.4);
      display: flex;
      align-items: center;
      gap: 3px;
    }
    .anime-info {
      padding: 12px;
      display: flex;
      flex-direction: column;
      flex: 1;
      justify-content: space-between;
    }
    .anime-title {
      font-size: 0.92rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .anime-meta {
      display: flex;
      justify-content: space-between;
      font-size: 0.78rem;
      color: var(--text-dim);
    }
    .grid-pagination-wrap {
      margin-top: 36px;
      text-align: center;
    }
    .btn-more-anime {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      color: var(--accent-cyan);
      font-size: 0.95rem;
      font-weight: 600;
      padding: 12px 36px;
      border-radius: 30px;
      box-shadow: var(--shadow-glow);
      transition: var(--transition);
      cursor: pointer;
    }
    .btn-more-anime:hover {
      background: rgba(0, 240, 255, 0.12);
      border-color: var(--accent-cyan);
      transform: translateY(-2px);
      box-shadow: var(--shadow-glow-lg);
    }

    /* 板块 3：本品类热度飙升排位榜 */
    .rank-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
    }
    .rank-card {
      background: var(--bg-card);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-md);
      padding: 14px;
      display: flex;
      align-items: center;
      gap: 14px;
      position: relative;
      transition: var(--transition);
    }
    .rank-card:hover {
      transform: translateY(-3px);
      border-color: var(--accent-cyan);
      background: var(--bg-card-hover);
    }
    .rank-num {
      width: 32px;
      height: 32px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      font-weight: 800;
      flex-shrink: 0;
      color: #fff;
      background: rgba(255, 255, 255, 0.06);
    }
    .rank-top1 {
      background: linear-gradient(135deg, #ef4444, #f59e0b);
      box-shadow: 0 0 10px rgba(239, 68, 68, 0.5);
    }
    .rank-top2 {
      background: linear-gradient(135deg, #f59e0b, #eab308);
      box-shadow: 0 0 10px rgba(245, 158, 11, 0.5);
    }
    .rank-top3 {
      background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
      box-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
    }
    .rank-details {
      flex: 1;
      overflow: hidden;
    }
    .rank-name {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-main);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      margin-bottom: 4px;
    }
    .rank-trend {
      font-size: 0.75rem;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      gap: 4px;
    }
    .rank-trend span {
      color: var(--accent-cyan);
      font-weight: 600;
    }

    /* 板块 4：分类主题深度解析看板 */
    .analysis-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }
    .analysis-card {
      background: var(--bg-card);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-lg);
      padding: 30px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
      overflow: hidden;
    }
    .analysis-card::after {
      content: "";
      position: absolute;
      top: -40px;
      right: -40px;
      width: 140px;
      height: 140px;
      background: radial-gradient(circle, rgba(0, 240, 255, 0.15) 0%, transparent 70%);
      pointer-events: none;
    }
    .analysis-tag {
      font-size: 0.75rem;
      color: var(--accent-violet);
      font-weight: 700;
      letter-spacing: 1px;
      margin-bottom: 12px;
      text-transform: uppercase;
    }
    .analysis-h3 {
      font-size: 1.35rem;
      font-weight: 800;
      color: #fff;
      margin-bottom: 14px;
      line-height: 1.4;
    }
    .analysis-body {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .analysis-footer {
      display: flex;
      align-items: center;
      gap: 18px;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top:16px;
      font-size: 0.82rem;
      color: var(--text-dim);
    }
    .analysis-footer strong {
      color: var(--accent-cyan);
      font-weight: 600;
    }

    /* 板块 5：本品类音画技术规格看板 */
    .specs-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .spec-card {
      background: var(--bg-card);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: left;
      transition: var(--transition);
      position: relative;
    }
    .spec-card:hover {
      border-color: var(--accent-cyan);
      transform: translateY(-4px);
      box-shadow: var(--shadow-glow);
    }
    .spec-icon {
      width: 44px;
      height: 44px;
      border-radius: 10px;
      background: rgba(0, 240, 255, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 16px;
      border: 1px solid rgba(0, 240, 255, 0.2);
    }
    .spec-icon svg {
      width: 22px;
      height: 22px;
      fill: var(--accent-cyan);
    }
    .spec-metric {
      font-size: 1.8rem;
      font-weight: 800;
      color: #fff;
      margin-bottom: 6px;
      font-family: monospace;
    }
    .spec-label {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .spec-desc {
      font-size: 0.82rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 板块 6：衍生专题剧场推荐矩阵 */
    .topics-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .topic-card {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-lg);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .topic-card:hover {
      border-color: var(--border-glow-active);
      transform: translateY(-4px);
      box-shadow: var(--shadow-glow);
    }
    .topic-thumb {
      height: 180px;
      position: relative;
      overflow: hidden;
    }
    .topic-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .topic-card:hover .topic-thumb img {
      transform: scale(1.05);
    }
    .topic-badge-count {
      position: absolute;
      bottom: 12px;
      right: 12px;
      background: rgba(6, 10, 23, 0.85);
      backdrop-filter: blur(8px);
      padding: 3px 10px;
      font-size: 0.75rem;
      border-radius: 12px;
      border: 1px solid var(--border-glow);
      color: var(--accent-cyan);
      font-weight: 600;
    }
    .topic-content {
      padding: 22px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }
    .topic-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 8px;
    }
    .topic-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
      flex: 1;
    }
    .topic-action {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--accent-cyan);
    }
    .topic-card:hover .topic-action {
      color: #fff;
    }

    /* 板块 7：品类播放设备调试指引 */
    .device-guide-box {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-lg);
      padding: 36px;
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
    }
    .steps-row {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 24px;
    }
    .step-item {
      position: relative;
      padding: 20px;
      background: rgba(11, 19, 43, 0.5);
      border-radius: var(--radius-md);
      border: 1px solid rgba(255, 255, 255, 0.05);
    }
    .step-num {
      font-size: 1.8rem;
      font-weight: 900;
      color: rgba(0, 240, 255, 0.25);
      line-height: 1;
      margin-bottom: 12px;
      font-family: monospace;
    }
    .step-title {
      font-size: 1rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 8px;
    }
    .step-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块 8：品类片源调配 FAQ */
    .faq-accordion {
      display: flex;
      flex-direction: column;
      gap: 14px;
      max-width: 960px;
    }
    .faq-item {
      background: var(--bg-card);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-item[open] {
      border-color: var(--border-glow-active);
      background: var(--bg-card-hover);
    }
    .faq-item summary {
      padding: 18px 24px;
      font-size: 1rem;
      font-weight: 700;
      color: #fff;
      cursor: pointer;
      list-style: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      user-select: none;
    }
    .faq-item summary::-webkit-details-marker {
      display: none;
    }
    .faq-item summary::after {
      content: "+";
      font-size: 1.4rem;
      font-weight: 300;
      color: var(--accent-cyan);
      transition: var(--transition);
    }
    .faq-item[open] summary::after {
      transform: rotate(45deg);
    }
    .faq-content {
      padding: 0 24px 20px 24px;
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.7;
      border-top: 1px solid rgba(255, 255, 255, 0.04);
      margin-top: 6px;
      padding-top: 14px;
    }

    /* Footer */
    .site-footer {
      background: #03060f;
      border-top: 1px solid rgba(0, 240, 255, 0.1);
      padding: 56px 0 28px 0;
      margin-top: 64px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
    }
    .footer-brand .brand-logo {
      margin-bottom: 16px;
    }
    .footer-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 16px;
      max-width: 360px;
    }
    .footer-col-title {
      font-size: 1rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 18px;
      letter-spacing: 0.5px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a {
      font-size: 0.88rem;
      color: var(--text-muted);
    }
    .footer-links a:hover {
      color: var(--accent-cyan);
      padding-left: 4px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 0.82rem;
      color: var(--text-dim);
      flex-wrap: wrap;
      gap: 16px;
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .anime-grid {
        grid-template-columns: repeat(4, 1fr);
      }
      .rank-grid {
        grid-template-columns: repeat(3, 1fr);
      }
      .specs-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 768px) {
      .site-header {
        height: auto;
        padding: 12px 0;
      }
      .nav-inner {
        flex-direction: column;
        gap: 12px;
      }
      .nav-left {
        flex-direction: column;
        gap: 14px;
        width: 100%;
      }
      .nav-links {
        overflow-x: auto;
        width: 100%;
        padding-bottom: 6px;
      }
      .nav-right {
        width: 100%;
        justify-content: space-between;
      }
      .nav-search input {
        width: 120px;
      }
      .anime-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .rank-grid {
        grid-template-columns: 1fr;
      }
      .analysis-grid {
        grid-template-columns: 1fr;
      }
      .topics-grid {
        grid-template-columns: 1fr;
      }
      .steps-row {
        grid-template-columns: 1fr;
      }
      .specs-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .category-h1 {
        font-size: 1.7rem;
      }
      .filter-box {
        padding: 16px;
      }
      .filter-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
      }
      .filter-label {
        width: auto;
      }
    }

/* roulang page: category4 */
:root {
      --bg-main: #060a17;
      --bg-surface: #0b132b;
      --bg-card: rgba(16, 26, 56, 0.65);
      --bg-card-hover: rgba(23, 37, 78, 0.85);
      --accent-cyan: #00f0ff;
      --accent-blue: #2563eb;
      --accent-violet: #8b5cf6;
      --text-main: #f8fafc;
      --text-muted: #94a3b8;
      --text-dim: #64748b;
      --border-glow: rgba(0, 240, 255, 0.16);
      --border-glow-active: rgba(0, 240, 255, 0.45);
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --shadow-glow: 0 0 16px rgba(0, 240, 255, 0.3);
      --shadow-glow-lg: 0 0 28px rgba(0, 240, 255, 0.55);
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }

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

    body {
      background-color: var(--bg-main);
      color: var(--text-main);
      font-family: var(--font-sans);
      line-height: 1.6;
      overflow-x: hidden;
      background-image: 
        radial-gradient(circle at 15% 20%, rgba(37, 99, 235, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 85% 60%, rgba(139, 92, 246, 0.1) 0%, transparent 45%),
        linear-gradient(to bottom, #060a17, #080e22 50%, #060a17);
      background-attachment: fixed;
    }

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

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

    .container {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* Header & Navigation */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      height: 68px;
      background: rgba(6, 10, 23, 0.85);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-glow);
      display: flex;
      align-items: center;
    }

    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
    }

    .nav-left {
      display: flex;
      align-items: center;
      gap: 36px;
    }

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.45rem;
      font-weight: 800;
      letter-spacing: 1px;
      color: #fff;
    }

    .brand-logo-icon {
      width: 34px;
      height: 34px;
      border-radius: 8px;
      background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: var(--shadow-glow);
    }

    .brand-logo-icon svg {
      width: 20px;
      height: 20px;
      fill: #fff;
    }

    .brand-logo span {
      background: linear-gradient(90deg, #ffffff, var(--accent-cyan));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 22px;
      list-style: none;
    }

    .nav-item a {
      font-size: 0.95rem;
      color: var(--text-muted);
      font-weight: 500;
      padding: 6px 12px;
      border-radius: var(--radius-sm);
      position: relative;
    }

    .nav-item a:hover, .nav-item.active a {
      color: #fff;
      background: rgba(0, 240, 255, 0.08);
    }

    .nav-item.active a::after {
      content: "";
      position: absolute;
      bottom: -16px;
      left: 12px;
      right: 12px;
      height: 2px;
      background: var(--accent-cyan);
      box-shadow: 0 0 8px var(--accent-cyan);
    }

    .nav-right {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .nav-search {
      display: flex;
      align-items: center;
      background: rgba(16, 26, 56, 0.8);
      border: 1px solid var(--border-glow);
      border-radius: 20px;
      padding: 6px 14px;
    }

    .nav-search input {
      background: transparent;
      border: none;
      outline: none;
      color: var(--text-main);
      font-size: 0.85rem;
      width: 140px;
      transition: var(--transition);
    }

    .nav-search input:focus {
      width: 180px;
    }

    .nav-search button {
      background: transparent;
      border: none;
      color: var(--accent-cyan);
      cursor: pointer;
      display: flex;
      align-items: center;
    }

    .btn-glow {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
      color: #030712;
      font-weight: 700;
      font-size: 0.9rem;
      padding: 8px 18px;
      border-radius: 20px;
      border: none;
      cursor: pointer;
      box-shadow: var(--shadow-glow);
      transition: var(--transition);
    }

    .btn-glow:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-glow-lg);
      color: #000;
    }

    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: rgba(16, 26, 56, 0.7);
      color: var(--text-main);
      font-weight: 600;
      font-size: 0.9rem;
      padding: 8px 18px;
      border-radius: 20px;
      border: 1px solid var(--border-glow);
      cursor: pointer;
      transition: var(--transition);
      backdrop-filter: blur(8px);
    }

    .btn-outline:hover {
      border-color: var(--accent-cyan);
      color: var(--accent-cyan);
      background: rgba(0, 240, 255, 0.08);
    }

    /* Section Global */
    section {
      padding: 56px 0;
      position: relative;
    }

    .section-head {
      margin-bottom: 32px;
    }

    .section-badge {
      display: inline-block;
      padding: 4px 12px;
      font-size: 0.75rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--accent-cyan);
      background: rgba(0, 240, 255, 0.1);
      border: 1px solid var(--border-glow);
      border-radius: 12px;
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 1.85rem;
      font-weight: 800;
      color: #fff;
      margin-bottom: 10px;
      letter-spacing: -0.5px;
    }

    .section-desc {
      font-size: 0.95rem;
      color: var(--text-muted);
      max-width: 820px;
      line-height: 1.7;
    }

    /* Category Header & Filter Section */
    .cat-header-wrap {
      background: linear-gradient(180deg, rgba(16, 26, 56, 0.8) 0%, rgba(11, 19, 43, 0.4) 100%);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-lg);
      padding: 36px 32px;
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      position: relative;
      overflow: hidden;
    }

    .cat-header-wrap::before {
      content: "";
      position: absolute;
      top: -40px;
      right: -40px;
      width: 220px;
      height: 220px;
      background: radial-gradient(circle, rgba(0, 240, 255, 0.18) 0%, transparent 70%);
      pointer-events: none;
    }

    .cat-header-top {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      margin-bottom: 28px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding-bottom: 24px;
      gap: 20px;
    }

    .cat-header-top h1 {
      font-size: 2.2rem;
      font-weight: 800;
      color: #fff;
      margin-bottom: 8px;
      letter-spacing: -0.5px;
    }

    .cat-header-top p {
      color: var(--text-muted);
      font-size: 0.95rem;
      max-width: 760px;
      line-height: 1.6;
    }

    .cat-stat-chips {
      display: flex;
      gap: 16px;
      flex-shrink: 0;
    }

    .stat-chip {
      background: rgba(6, 10, 23, 0.7);
      border: 1px solid var(--border-glow);
      padding: 10px 18px;
      border-radius: var(--radius-md);
      text-align: right;
    }

    .stat-chip .val {
      display: block;
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--accent-cyan);
    }

    .stat-chip .lbl {
      font-size: 0.75rem;
      color: var(--text-dim);
    }

    /* Filter Matrix */
    .filter-group-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .filter-row {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.88rem;
    }

    .filter-label {
      width: 72px;
      color: var(--text-dim);
      font-weight: 600;
      flex-shrink: 0;
    }

    .filter-items {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .filter-tag {
      padding: 4px 12px;
      border-radius: 6px;
      color: var(--text-muted);
      cursor: pointer;
      transition: var(--transition);
    }

    .filter-tag:hover {
      color: var(--accent-cyan);
      background: rgba(0, 240, 255, 0.08);
    }

    .filter-tag.active {
      color: #fff;
      background: var(--accent-blue);
      box-shadow: 0 0 10px rgba(37, 99, 235, 0.4);
      font-weight: 600;
    }

    /* Grid Section */
    .media-card-grid {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 20px;
    }

    .media-card {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: var(--transition);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      position: relative;
    }

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

    .media-poster-box {
      position: relative;
      width: 100%;
      aspect-ratio: 2 / 3;
      overflow: hidden;
      background: #0b132b;
    }

    .media-poster-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

    .media-card:hover .media-poster-box img {
      transform: scale(1.08);
    }

    .media-badge-hd {
      position: absolute;
      top: 8px;
      left: 8px;
      background: rgba(6, 10, 23, 0.85);
      color: var(--accent-cyan);
      font-size: 0.7rem;
      font-weight: 700;
      padding: 2px 6px;
      border-radius: 4px;
      border: 1px solid var(--border-glow);
      backdrop-filter: blur(6px);
    }

    .media-badge-score {
      position: absolute;
      bottom: 8px;
      right: 8px;
      background: linear-gradient(135deg, rgba(234, 88, 12, 0.9), rgba(245, 158, 11, 0.9));
      color: #fff;
      font-size: 0.75rem;
      font-weight: 800;
      padding: 2px 6px;
      border-radius: 4px;
      box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
    }

    .media-info {
      padding: 12px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
      justify-content: space-between;
    }

    .media-title {
      font-size: 0.95rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 6px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .media-meta {
      font-size: 0.75rem;
      color: var(--text-dim);
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .media-actor {
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      max-width: 110px;
    }

    .load-more-wrap {
      text-align: center;
      margin-top: 40px;
    }

    .btn-load-more {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: rgba(16, 26, 56, 0.85);
      color: var(--accent-cyan);
      border: 1px solid var(--border-glow);
      padding: 12px 36px;
      border-radius: 24px;
      font-weight: 700;
      font-size: 0.95rem;
      cursor: pointer;
      transition: var(--transition);
    }

    .btn-load-more:hover {
      background: var(--accent-cyan);
      color: #060a17;
      box-shadow: var(--shadow-glow);
    }

    /* Ranking Section */
    .ranking-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
    }

    .ranking-card {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-md);
      padding: 16px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      transition: var(--transition);
      backdrop-filter: blur(12px);
    }

    .ranking-card:hover {
      border-color: var(--border-glow-active);
      background: var(--bg-card-hover);
      transform: translateX(4px);
    }

    .ranking-left {
      display: flex;
      align-items: center;
      gap: 16px;
      min-width: 0;
    }

    .rank-num {
      font-size: 1.5rem;
      font-weight: 900;
      width: 34px;
      height: 34px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: rgba(255, 255, 255, 0.05);
      color: var(--text-dim);
      flex-shrink: 0;
    }

    .rank-num.top-1 {
      background: linear-gradient(135deg, #f59e0b, #d97706);
      color: #fff;
      box-shadow: 0 0 12px rgba(245, 158, 11, 0.5);
    }

    .rank-num.top-2 {
      background: linear-gradient(135deg, #94a3b8, #64748b);
      color: #fff;
    }

    .rank-num.top-3 {
      background: linear-gradient(135deg, #b45309, #78350f);
      color: #fff;
    }

    .rank-detail h4 {
      font-size: 1rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 4px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .rank-detail span {
      font-size: 0.78rem;
      color: var(--text-dim);
    }

    .rank-heat {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--accent-cyan);
      display: flex;
      align-items: center;
      gap: 4px;
      flex-shrink: 0;
    }

    /* Analysis Section */
    .analysis-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .analysis-card {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-lg);
      padding: 28px;
      display: flex;
      flex-direction: column;
      gap: 16px;
      position: relative;
      overflow: hidden;
      backdrop-filter: blur(14px);
    }

    .analysis-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 4px;
      height: 100%;
      background: linear-gradient(to bottom, var(--accent-cyan), var(--accent-violet));
    }

    .analysis-card h3 {
      font-size: 1.2rem;
      font-weight: 700;
      color: #fff;
    }

    .analysis-card p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    .analysis-tags {
      display: flex;
      gap: 10px;
      margin-top: auto;
    }

    .analysis-tag-item {
      font-size: 0.75rem;
      color: var(--accent-cyan);
      background: rgba(0, 240, 255, 0.08);
      border: 1px solid var(--border-glow);
      padding: 4px 10px;
      border-radius: 6px;
    }

    /* Tech Specs Section */
    .tech-specs-wrap {
      background: linear-gradient(135deg, rgba(16, 26, 56, 0.75) 0%, rgba(6, 10, 23, 0.9) 100%);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-lg);
      padding: 36px;
      backdrop-filter: blur(16px);
    }

    .specs-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      margin-top: 24px;
    }

    .spec-item {
      background: rgba(6, 10, 23, 0.6);
      border: 1px solid rgba(255, 255, 255, 0.06);
      border-radius: var(--radius-md);
      padding: 20px;
      transition: var(--transition);
    }

    .spec-item:hover {
      border-color: var(--accent-cyan);
      transform: translateY(-3px);
    }

    .spec-icon {
      width: 40px;
      height: 40px;
      border-radius: 10px;
      background: rgba(0, 240, 255, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--accent-cyan);
      margin-bottom: 14px;
    }

    .spec-name {
      font-size: 1rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 6px;
    }

    .spec-value {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* Derived Topics Section */
    .topics-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .topic-card {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: var(--transition);
      backdrop-filter: blur(12px);
    }

    .topic-card:hover {
      border-color: var(--accent-cyan);
      box-shadow: var(--shadow-glow);
      transform: translateY(-4px);
    }

    .topic-thumb {
      width: 100%;
      height: 160px;
      overflow: hidden;
      position: relative;
    }

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

    .topic-card:hover .topic-thumb img {
      transform: scale(1.05);
    }

    .topic-content {
      padding: 20px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      flex-grow: 1;
    }

    .topic-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: #fff;
    }

    .topic-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    .topic-link {
      font-size: 0.85rem;
      color: var(--accent-cyan);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      margin-top: auto;
      padding-top: 10px;
    }

    /* Device Debug Guide Section */
    .guide-steps-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .guide-step-card {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-md);
      padding: 24px;
      position: relative;
      backdrop-filter: blur(12px);
      transition: var(--transition);
    }

    .guide-step-card:hover {
      border-color: var(--accent-cyan);
      background: var(--bg-card-hover);
    }

    .step-badge {
      font-size: 0.8rem;
      font-weight: 800;
      color: var(--accent-cyan);
      background: rgba(0, 240, 255, 0.12);
      padding: 4px 10px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 12px;
    }

    .guide-step-card h3 {
      font-size: 1.05rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 8px;
    }

    .guide-step-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* FAQ Section */
    .faq-accordion {
      display: flex;
      flex-direction: column;
      gap: 16px;
      max-width: 900px;
      margin: 0 auto;
    }

    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-md);
      padding: 20px 24px;
      cursor: pointer;
      transition: var(--transition);
      backdrop-filter: blur(14px);
    }

    .faq-item:hover {
      border-color: var(--border-glow-active);
      background: var(--bg-card-hover);
    }

    .faq-question {
      font-size: 1.05rem;
      font-weight: 700;
      color: #fff;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
    }

    .faq-question svg {
      color: var(--accent-cyan);
      transition: transform 0.3s ease;
      flex-shrink: 0;
    }

    .faq-item.active .faq-question svg {
      transform: rotate(180deg);
    }

    .faq-answer {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-top: 14px;
      padding-top: 12px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      display: none;
    }

    .faq-item.active .faq-answer {
      display: block;
    }

    /* Footer */
    .site-footer {
      background: #03060f;
      border-top: 1px solid rgba(0, 240, 255, 0.12);
      padding: 64px 0 32px;
      margin-top: 60px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 48px;
    }

    .footer-brand {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .footer-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.7;
      max-width: 360px;
    }

    .footer-col-title {
      font-size: 1rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 18px;
      letter-spacing: 0.5px;
    }

    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links a {
      font-size: 0.85rem;
      color: var(--text-dim);
    }

    .footer-links a:hover {
      color: var(--accent-cyan);
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.82rem;
      color: var(--text-dim);
      flex-wrap: wrap;
      gap: 16px;
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .media-card-grid {
        grid-template-columns: repeat(4, 1fr);
      }
      .specs-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .topics-grid, .guide-steps-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .nav-links, .nav-search {
        display: none;
      }
      .cat-header-top {
        flex-direction: column;
      }
      .cat-stat-chips {
        width: 100%;
        justify-content: space-between;
      }
      .media-card-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
      }
      .ranking-grid {
        grid-template-columns: 1fr;
      }
      .analysis-grid, .topics-grid, .guide-steps-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
    }

    @media (max-width: 520px) {
      .media-card-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .specs-grid {
        grid-template-columns: 1fr;
      }
      .cat-header-wrap {
        padding: 20px 16px;
      }
    }