/* roulang page: index */
:root {
      --bg-base: #0A0B0E;
      --bg-surface: #12141A;
      --bg-card: rgba(26, 29, 36, 0.88);
      --border-soft: rgba(255, 255, 255, 0.08);
      --border-accent: rgba(255, 26, 117, 0.35);
      --primary: #FF1A75;
      --secondary: #8A2BE2;
      --accent-cyan: #00F0FF;
      --text-main: #FFFFFF;
      --text-muted: #A0A5B5;
      --text-sub: #606575;
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --shadow-glow: 0 10px 25px rgba(255, 26, 117, 0.22);
      --shadow-cyan: 0 0 15px rgba(0, 240, 255, 0.3);
      --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    }

    /* Reset & Base */
    *, *::before, *::after { box-sizing: border-box; }
    body {
      margin: 0;
      padding: 0;
      background-color: var(--bg-base);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.65;
      overflow-x: hidden;
    }
    a { color: inherit; text-decoration: none; transition: var(--transition); }
    a:hover { color: var(--accent-cyan); }
    img { max-width: 100%; height: auto; display: block; }
    h1, h2, h3, h4, h5, h6 {
      color: var(--text-main);
      font-weight: 700;
      line-height: 1.3;
      margin-top: 0;
    }

    /* Layout Spacing */
    .section-padding { padding: 5rem 0; }
    .section-title-wrap {
      margin-bottom: 3.2rem;
      position: relative;
    }
    .section-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.8rem;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      color: var(--accent-cyan);
      background: rgba(0, 240, 255, 0.08);
      border: 1px solid rgba(0, 240, 255, 0.25);
      padding: 4px 12px;
      border-radius: 20px;
      margin-bottom: 0.8rem;
    }
    .section-heading {
      font-size: 2.1rem;
      letter-spacing: -0.5px;
    }
    .section-lead {
      color: var(--text-muted);
      font-size: 0.98rem;
      max-width: 720px;
      margin: 0.6rem 0 0 0;
    }

    /* Dual Header & Notice Chips */
    .site-header {
      background: rgba(10, 11, 14, 0.92);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-soft);
      position: sticky;
      top: 0;
      z-index: 1000;
    }
    .header-main-bar {
      padding: 0.9rem 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.45rem;
      font-weight: 800;
      background: linear-gradient(135deg, #FFF 20%, var(--primary) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      letter-spacing: 0.5px;
    }
    .brand-logo i {
      color: var(--primary);
      -webkit-text-fill-color: var(--primary);
      font-size: 1.5rem;
    }
    .main-nav-links {
      display: flex;
      list-style: none;
      margin: 0;
      padding: 0;
      gap: 2rem;
    }
    .main-nav-links a {
      font-size: 0.95rem;
      color: var(--text-muted);
      font-weight: 500;
      padding: 0.4rem 0;
      position: relative;
    }
    .main-nav-links a.active, .main-nav-links a:hover {
      color: #FFF;
    }
    .main-nav-links a.active::after {
      content: "";
      position: absolute;
      bottom: -2px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--primary);
      box-shadow: 0 0 8px var(--primary);
    }
    .header-notice-strip {
      background: #0E1015;
      border-top: 1px solid rgba(255, 255, 255, 0.04);
      padding: 0.45rem 0;
      font-size: 0.8rem;
    }
    .notice-chips-group {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      flex-wrap: wrap;
    }
    .notice-chip-item {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid var(--border-soft);
      padding: 3px 10px;
      border-radius: 14px;
      color: var(--text-muted);
      font-size: 0.78rem;
    }
    .status-dot {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background-color: #00E676;
      box-shadow: 0 0 8px #00E676;
      animation: pulseDot 2s infinite ease-in-out;
    }
    @keyframes pulseDot {
      0% { transform: scale(0.9); opacity: 0.7; }
      50% { transform: scale(1.25); opacity: 1; }
      100% { transform: scale(0.9); opacity: 0.7; }
    }

    /* Buttons */
    .btn-gradient {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: #FFF !important;
      padding: 0.75rem 1.8rem;
      border-radius: 8px;
      font-weight: 600;
      font-size: 0.95rem;
      border: none;
      box-shadow: var(--shadow-glow);
      cursor: pointer;
    }
    .btn-gradient:hover {
      transform: translateY(-2px);
      box-shadow: 0 14px 28px rgba(255, 26, 117, 0.35);
    }
    .btn-ghost {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: rgba(255, 255, 255, 0.05);
      color: #FFF !important;
      padding: 0.75rem 1.6rem;
      border-radius: 8px;
      font-weight: 500;
      font-size: 0.95rem;
      border: 1px solid rgba(255, 255, 255, 0.2);
    }
    .btn-ghost:hover {
      background: rgba(255, 255, 255, 0.12);
      border-color: rgba(255, 255, 255, 0.4);
    }

    /* Hero Section */
    .hero-stage {
      position: relative;
      min-height: 580px;
      display: flex;
      align-items: center;
      background-size: cover;
      background-position: center;
      border-bottom: 1px solid var(--border-soft);
      padding: 6rem 0;
    }
    .hero-stage::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(10, 11, 14, 0.6) 0%, rgba(10, 11, 14, 0.95) 85%, var(--bg-base) 100%),
                  linear-gradient(90deg, rgba(10, 11, 14, 0.95) 0%, rgba(10, 11, 14, 0.65) 50%, rgba(10, 11, 14, 0.85) 100%);
    }
    .hero-content {
      position: relative;
      z-index: 2;
      max-width: 820px;
    }
    .hero-h1 {
      font-size: 2.8rem;
      letter-spacing: -0.5px;
      margin-bottom: 1.2rem;
      line-height: 1.25;
    }
    .hero-lead-text {
      color: var(--text-muted);
      font-size: 1.05rem;
      line-height: 1.8;
      margin-bottom: 2rem;
    }
    .hero-meta-bar {
      display: flex;
      gap: 1.5rem;
      margin-top: 2.5rem;
      border-top: 1px solid var(--border-soft);
      padding-top: 1.5rem;
      flex-wrap: wrap;
    }
    .hero-meta-item {
      display: flex;
      align-items: center;
      gap: 10px;
      color: var(--text-muted);
      font-size: 0.88rem;
    }
    .hero-meta-item i { color: var(--accent-cyan); }

    /* Cards & Grids */
    .portal-card {
      background: var(--bg-card);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      height: 100%;
      position: relative;
      transition: var(--transition);
    }
    .portal-card:hover {
      transform: translateY(-6px);
      border-color: var(--border-accent);
      box-shadow: var(--shadow-glow);
    }
    .portal-card-img-wrap {
      position: relative;
      overflow: hidden;
      aspect-ratio: 16/9;
    }
    .portal-card-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .portal-card:hover .portal-card-img-wrap img {
      transform: scale(1.06);
    }
    .portal-card-body {
      padding: 1.4rem;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .portal-card-body h3 {
      font-size: 1.2rem;
      margin-bottom: 0.6rem;
    }
    .portal-card-body p {
      color: var(--text-muted);
      font-size: 0.88rem;
      line-height: 1.6;
      flex-grow: 1;
      margin-bottom: 1rem;
    }
    .portal-card-footer {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-top: 1px solid var(--border-soft);
      padding-top: 0.8rem;
      font-size: 0.85rem;
      color: var(--text-sub);
    }

    /* Posters (2:3 Aspect) */
    .poster-card {
      background: var(--bg-card);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-sm);
      overflow: hidden;
      transition: var(--transition);
      position: relative;
      margin-bottom: 1.2rem;
    }
    .poster-card:hover {
      transform: translateY(-6px);
      border-color: var(--primary);
      box-shadow: 0 10px 20px rgba(255, 26, 117, 0.28);
    }
    .poster-thumb {
      aspect-ratio: 2/3;
      overflow: hidden;
      position: relative;
      background: #181b22;
    }
    .poster-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .poster-card:hover .poster-thumb img {
      transform: scale(1.05);
    }
    .poster-ribbon {
      position: absolute;
      top: 8px;
      right: 8px;
      background: rgba(10, 11, 14, 0.85);
      border: 1px solid var(--border-soft);
      padding: 2px 8px;
      border-radius: 4px;
      font-size: 0.7rem;
      font-weight: 700;
      color: var(--accent-cyan);
    }
    .poster-info {
      padding: 0.85rem;
    }
    .poster-info h4 {
      font-size: 0.95rem;
      margin-bottom: 0.3rem;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .poster-info p {
      font-size: 0.78rem;
      color: var(--text-sub);
      margin: 0;
    }

    /* Metric Dashboard */
    .metric-box {
      background: var(--bg-card);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-md);
      padding: 1.8rem;
      text-align: center;
      position: relative;
    }
    .metric-value {
      font-size: 2.4rem;
      font-weight: 800;
      color: #FFF;
      line-height: 1.1;
      margin-bottom: 0.3rem;
      background: linear-gradient(180deg, #FFF, var(--accent-cyan));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .metric-label {
      color: var(--text-muted);
      font-size: 0.85rem;
      font-weight: 500;
    }
    .metric-desc {
      color: var(--text-sub);
      font-size: 0.75rem;
      margin-top: 0.4rem;
    }

    /* Timeline / Steps */
    .step-unit {
      background: var(--bg-surface);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-md);
      padding: 1.8rem;
      position: relative;
      height: 100%;
    }
    .step-num {
      width: 36px;
      height: 36px;
      border-radius: 8px;
      background: rgba(255, 26, 117, 0.15);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      margin-bottom: 1rem;
      border: 1px solid var(--primary);
    }

    /* Schedule Week Strip */
    .week-nav {
      display: flex;
      gap: 0.5rem;
      border-bottom: 1px solid var(--border-soft);
      padding-bottom: 0.8rem;
      margin-bottom: 1.5rem;
      overflow-x: auto;
    }
    .week-day-btn {
      padding: 6px 16px;
      border-radius: 20px;
      background: rgba(255, 255, 255, 0.04);
      color: var(--text-muted);
      font-size: 0.85rem;
      font-weight: 500;
      white-space: nowrap;
    }
    .week-day-btn.active {
      background: var(--primary);
      color: #FFF;
    }

    /* Spec Table */
    .spec-table-container {
      background: var(--bg-surface);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-md);
      overflow: hidden;
    }
    .spec-table {
      width: 100%;
      margin: 0;
      border-collapse: collapse;
      background: transparent;
      color: var(--text-main);
    }
    .spec-table th {
      background: rgba(255, 255, 255, 0.03);
      color: var(--text-muted);
      padding: 1rem 1.2rem;
      font-size: 0.85rem;
      border-bottom: 1px solid var(--border-soft);
      text-align: left;
    }
    .spec-table td {
      padding: 1rem 1.2rem;
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
      font-size: 0.88rem;
    }
    .spec-table tr:last-child td { border-bottom: none; }

    /* Alert / Compliance bar */
    .compliance-bar {
      background: linear-gradient(90deg, rgba(255, 26, 117, 0.15) 0%, rgba(138, 43, 226, 0.12) 100%);
      border: 1px solid var(--border-accent);
      border-radius: var(--radius-md);
      padding: 1.2rem 1.6rem;
      display: flex;
      align-items: center;
      gap: 1.2rem;
    }
    .compliance-icon {
      font-size: 1.8rem;
      color: var(--primary);
    }

    /* Studio Wall */
    .studio-logo-item {
      background: rgba(255, 255, 255, 0.02);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-sm);
      padding: 1.2rem 1rem;
      text-align: center;
      color: var(--text-muted);
      font-weight: 600;
      font-size: 0.85rem;
      letter-spacing: 0.5px;
      transition: var(--transition);
    }
    .studio-logo-item:hover {
      border-color: var(--accent-cyan);
      color: #FFF;
      background: rgba(0, 240, 255, 0.04);
    }

    /* FAQ Box */
    .faq-panel {
      background: var(--bg-card);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-md);
      padding: 1.5rem;
      margin-bottom: 1rem;
    }
    .faq-panel h3 {
      font-size: 1.05rem;
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 0.6rem;
    }
    .faq-panel h3 i { color: var(--primary); font-size: 0.9rem; }
    .faq-panel p {
      color: var(--text-muted);
      font-size: 0.88rem;
      margin: 0;
      line-height: 1.7;
    }

    /* Network / CDN Microbar */
    .network-badge-strip {
      background: #0D0F14;
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-md);
      padding: 0.9rem 1.4rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 1rem;
      font-size: 0.82rem;
      color: var(--text-muted);
    }
    .network-stat-node {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    /* CTA Bottom */
    .cta-stage {
      background: linear-gradient(180deg, var(--bg-surface) 0%, #0A0B0E 100%);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-lg);
      padding: 3.5rem 2rem;
      text-align: center;
      position: relative;
      overflow: hidden;
    }
    .cta-stage::after {
      content: "";
      position: absolute;
      top: -50%;
      left: 50%;
      transform: translateX(-50%);
      width: 600px;
      height: 300px;
      background: radial-gradient(circle, rgba(255, 26, 117, 0.25) 0%, transparent 70%);
      pointer-events: none;
    }

    /* Footer */
    .site-footer {
      background: #08090C;
      border-top: 1px solid var(--border-soft);
      padding: 4.5rem 0 2rem 0;
      color: var(--text-muted);
      font-size: 0.88rem;
    }
    .footer-col-title {
      font-size: 1rem;
      color: #FFF;
      margin-bottom: 1.2rem;
      font-weight: 600;
    }
    .footer-links-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-links-list li { margin-bottom: 0.6rem; }
    .footer-links-list a { color: var(--text-muted); }
    .footer-links-list a:hover { color: var(--primary); }
    .footer-bottom-strip {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      margin-top: 3.5rem;
      padding-top: 1.8rem;
      font-size: 0.8rem;
      color: var(--text-sub);
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 1rem;
    }

    @media (max-width: 768px) {
      .hero-h1 { font-size: 2rem; }
      .section-heading { font-size: 1.6rem; }
      .main-nav-links { display: none; }
      .network-badge-strip { flex-direction: column; align-items: flex-start; }
    }

/* roulang page: category2 */
:root {
      --bg-base: #0A0B0E;
      --bg-surface: #12141A;
      --bg-card: rgba(26, 29, 36, 0.88);
      --border-soft: rgba(255, 255, 255, 0.08);
      --border-accent: rgba(255, 26, 117, 0.35);
      --primary: #FF1A75;
      --secondary: #8A2BE2;
      --accent-cyan: #00F0FF;
      --text-main: #FFFFFF;
      --text-muted: #A0A5B5;
      --text-sub: #606575;
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --shadow-glow: 0 10px 25px rgba(255, 26, 117, 0.22);
      --shadow-cyan: 0 0 15px rgba(0, 240, 255, 0.3);
      --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    }
    body {
      margin: 0;
      padding: 0;
      background-color: var(--bg-base);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.65;
      overflow-x: hidden;
    }
    a { color: inherit; text-decoration: none; transition: var(--transition); }
    a:hover { color: var(--accent-cyan); }
    img { max-width: 100%; height: auto; display: block; }
    
    /* Layout */
    .section-padding { padding: 4.5rem 0; }
    .section-title-wrap { margin-bottom: 2.5rem; position: relative; }
    .section-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.8rem;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      color: var(--accent-cyan);
      background: rgba(0, 240, 255, 0.08);
      border: 1px solid rgba(0, 240, 255, 0.25);
      padding: 4px 12px;
      border-radius: 20px;
      margin-bottom: 0.8rem;
    }
    .section-heading {
      font-size: 2rem;
      letter-spacing: -0.5px;
      margin: 0;
      font-weight: 700;
    }
    .section-lead {
      color: var(--text-muted);
      font-size: 0.95rem;
      max-width: 760px;
      margin: 0.5rem 0 0 0;
    }

    /* Site Header */
    .site-header {
      background: rgba(10, 11, 14, 0.92);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-soft);
      position: sticky;
      top: 0;
      z-index: 1000;
    }
    .header-main-bar {
      padding: 0.9rem 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.45rem;
      font-weight: 800;
      background: linear-gradient(135deg, #FFF 20%, var(--primary) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      letter-spacing: 0.5px;
    }
    .brand-logo i {
      color: var(--primary);
      -webkit-text-fill-color: var(--primary);
      font-size: 1.5rem;
    }
    .main-nav-links {
      display: flex;
      list-style: none;
      margin: 0;
      padding: 0;
      gap: 2rem;
    }
    .main-nav-links a {
      font-size: 0.95rem;
      color: var(--text-muted);
      font-weight: 500;
      padding: 0.4rem 0;
      position: relative;
    }
    .main-nav-links a.active, .main-nav-links a:hover {
      color: #FFF;
    }
    .main-nav-links a.active::after {
      content: "";
      position: absolute;
      bottom: -2px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--primary);
      box-shadow: 0 0 8px var(--primary);
    }
    .header-notice-strip {
      background: #0E1015;
      border-top: 1px solid rgba(255, 255, 255, 0.04);
      padding: 0.45rem 0;
      font-size: 0.8rem;
    }
    .notice-chips-group {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      flex-wrap: wrap;
    }
    .notice-chip-item {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid var(--border-soft);
      padding: 3px 10px;
      border-radius: 14px;
      color: var(--text-muted);
      font-size: 0.78rem;
    }
    .status-dot {
      width: 7px;
      height: 7px;
      background-color: #00E676;
      border-radius: 50%;
      box-shadow: 0 0 8px #00E676;
      display: inline-block;
    }

    /* Buttons */
    .btn-gradient {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: #FFF !important;
      padding: 0.75rem 1.8rem;
      border-radius: 8px;
      font-weight: 600;
      font-size: 0.95rem;
      border: none;
      box-shadow: var(--shadow-glow);
      cursor: pointer;
    }
    .btn-gradient:hover {
      transform: translateY(-2px);
      box-shadow: 0 14px 28px rgba(255, 26, 117, 0.35);
    }
    .btn-ghost {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: rgba(255, 255, 255, 0.05);
      color: #FFF !important;
      padding: 0.75rem 1.6rem;
      border-radius: 8px;
      font-weight: 500;
      font-size: 0.95rem;
      border: 1px solid rgba(255, 255, 255, 0.2);
    }
    .btn-ghost:hover {
      background: rgba(255, 255, 255, 0.12);
      border-color: rgba(255, 255, 255, 0.4);
    }

    /* Breadcrumbs */
    .custom-breadcrumbs {
      display: flex;
      align-items: center;
      gap: 0.6rem;
      list-style: none;
      margin: 0 0 1.2rem 0;
      padding: 0;
      font-size: 0.85rem;
      color: var(--text-muted);
    }
    .custom-breadcrumbs li a { color: var(--text-muted); }
    .custom-breadcrumbs li a:hover { color: var(--accent-cyan); }
    .custom-breadcrumbs li::after { content: "/"; margin-left: 0.6rem; color: var(--text-sub); }
    .custom-breadcrumbs li:last-child::after { content: ""; }
    .custom-breadcrumbs li:last-child { color: #FFF; font-weight: 600; }

    /* Category Header Banner */
    .category-hero-panel {
      background: linear-gradient(180deg, #12141C 0%, var(--bg-base) 100%);
      border-bottom: 1px solid var(--border-soft);
      padding: 3.5rem 0 2.5rem 0;
      position: relative;
    }
    .category-hero-panel::after {
      content: "";
      position: absolute;
      right: 5%;
      top: 10%;
      width: 320px;
      height: 320px;
      background: radial-gradient(circle, rgba(255, 26, 117, 0.12) 0%, transparent 70%);
      pointer-events: none;
    }
    .cat-badge-strip {
      display: flex;
      align-items: center;
      gap: 1rem;
      flex-wrap: wrap;
      margin-top: 1.5rem;
    }
    .cat-stat-pill {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--border-soft);
      padding: 0.4rem 1rem;
      border-radius: 20px;
      font-size: 0.85rem;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    /* Filter Matrix */
    .filter-box {
      background: var(--bg-surface);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-md);
      padding: 1.5rem;
      margin-bottom: 3rem;
    }
    .filter-row {
      display: flex;
      align-items: center;
      gap: 1rem;
      padding: 0.75rem 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
      flex-wrap: wrap;
    }
    .filter-row:last-child { border-bottom: none; padding-bottom: 0; }
    .filter-label {
      font-size: 0.88rem;
      color: var(--text-sub);
      min-width: 80px;
      font-weight: 600;
    }
    .filter-tags {
      display: flex;
      align-items: center;
      gap: 0.6rem;
      flex-wrap: wrap;
    }
    .filter-tag {
      font-size: 0.84rem;
      padding: 0.3rem 0.85rem;
      border-radius: 4px;
      color: var(--text-muted);
      background: rgba(255, 255, 255, 0.03);
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
    }
    .filter-tag:hover {
      color: #FFF;
      border-color: rgba(255, 255, 255, 0.2);
    }
    .filter-tag.active {
      background: rgba(255, 26, 117, 0.15);
      border-color: var(--primary);
      color: #FFF;
      font-weight: 600;
    }

    /* Poster Grid (2:3 Ratio) */
    .poster-card {
      background: var(--bg-card);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      height: 100%;
      transition: var(--transition);
      position: relative;
    }
    .poster-card:hover {
      transform: translateY(-6px);
      box-shadow: 0 12px 24px rgba(255, 26, 117, 0.25);
      border-color: var(--border-accent);
    }
    .poster-cover-wrap {
      position: relative;
      width: 100%;
      padding-top: 140%; /* ~2:3 Aspect ratio */
      overflow: hidden;
      background-color: #1a1d24;
    }
    .poster-cover-wrap img {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .poster-card:hover .poster-cover-wrap img {
      transform: scale(1.06);
    }
    .poster-overlay-gradient {
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(0,0,0,0) 50%, rgba(10, 11, 14, 0.95) 100%);
    }
    .poster-badge-top {
      position: absolute;
      top: 10px;
      left: 10px;
      background: rgba(0, 0, 0, 0.7);
      backdrop-filter: blur(8px);
      border: 1px solid rgba(255, 255, 255, 0.15);
      color: #00F0FF;
      font-size: 0.75rem;
      padding: 3px 8px;
      border-radius: 4px;
      font-weight: 600;
      z-index: 2;
    }
    .poster-badge-schedule {
      position: absolute;
      bottom: 10px;
      right: 10px;
      background: rgba(255, 26, 117, 0.85);
      color: #FFF;
      font-size: 0.75rem;
      padding: 3px 8px;
      border-radius: 4px;
      font-weight: 600;
      z-index: 2;
    }
    .poster-info {
      padding: 1.1rem;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .poster-title {
      font-size: 1.05rem;
      font-weight: 700;
      margin: 0 0 0.5rem 0;
      line-height: 1.4;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .poster-meta {
      font-size: 0.82rem;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-top: auto;
      padding-top: 0.8rem;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
    }

    /* Trending Rank Section */
    .rank-table-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-md);
      padding: 1.5rem;
    }
    .rank-item {
      display: flex;
      align-items: center;
      gap: 1.2rem;
      padding: 1rem 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }
    .rank-item:last-child { border-bottom: none; }
    .rank-num {
      font-size: 1.4rem;
      font-weight: 800;
      color: var(--text-sub);
      width: 32px;
      text-align: center;
    }
    .rank-item:nth-child(1) .rank-num { color: #FF1A75; text-shadow: 0 0 10px rgba(255, 26, 117, 0.5); }
    .rank-item:nth-child(2) .rank-num { color: #00F0FF; }
    .rank-item:nth-child(3) .rank-num { color: #8A2BE2; }
    .rank-details { flex-grow: 1; }
    .rank-title { font-size: 0.98rem; font-weight: 600; margin-bottom: 0.2rem; }
    .rank-tags { font-size: 0.78rem; color: var(--text-muted); display: flex; gap: 0.8rem; }
    .rank-heat {
      text-align: right;
      font-size: 0.82rem;
      color: var(--primary);
      font-weight: 600;
    }

    /* Specs & Advice Grid */
    .spec-card {
      background: var(--bg-card);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-md);
      padding: 1.8rem;
      height: 100%;
    }
    .spec-card-icon {
      font-size: 1.8rem;
      color: var(--accent-cyan);
      margin-bottom: 1rem;
    }
    .spec-card h3 { font-size: 1.15rem; margin-bottom: 0.6rem; }
    .spec-card p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.7; margin: 0; }

    /* Tag Cloud Matrix */
    .tag-matrix-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 0.75rem;
    }
    .tag-cloud-chip {
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid var(--border-soft);
      padding: 0.5rem 1.2rem;
      border-radius: 30px;
      font-size: 0.88rem;
      color: var(--text-muted);
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .tag-cloud-chip:hover {
      background: rgba(255, 26, 117, 0.15);
      border-color: var(--primary);
      color: #FFF;
      transform: translateY(-2px);
    }

    /* Accordion FAQ */
    .faq-panel {
      background: var(--bg-surface);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-md);
      overflow: hidden;
    }
    .accordion {
      background: transparent;
      margin: 0;
    }
    .accordion-item {
      border-bottom: 1px solid var(--border-soft);
      background: transparent;
    }
    .accordion-item:last-child {
      border-bottom: none;
    }
    .accordion-title {
      background: transparent !important;
      color: var(--text-main) !important;
      font-size: 1.05rem;
      font-weight: 600;
      padding: 1.25rem 1.5rem;
      border: none;
      transition: var(--transition);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .accordion-title:hover {
      color: var(--accent-cyan) !important;
      background: rgba(255, 255, 255, 0.02) !important;
    }
    .accordion-title::before {
      display: none;
    }
    .accordion-title::after {
      content: "\f078";
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      font-size: 0.85rem;
      color: var(--text-sub);
      transition: transform 0.3s ease;
    }
    .is-active > .accordion-title::after {
      transform: rotate(180deg);
      color: var(--primary);
    }
    .accordion-content {
      background: rgba(10, 11, 14, 0.4) !important;
      border: none !important;
      color: var(--text-muted);
      font-size: 0.92rem;
      line-height: 1.8;
      padding: 0 1.5rem 1.5rem 1.5rem;
    }

    /* Footer */
    .site-footer {
      background: #08090C;
      border-top: 1px solid var(--border-soft);
      padding: 4.5rem 0 2rem 0;
      position: relative;
    }
    .footer-col-title {
      font-size: 1rem;
      font-weight: 700;
      color: #FFF;
      margin-bottom: 1.2rem;
      letter-spacing: 0.5px;
    }
    .footer-links-list {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links-list li {
      margin-bottom: 0.6rem;
    }
    .footer-links-list a {
      color: var(--text-muted);
      font-size: 0.88rem;
    }
    .footer-links-list a:hover {
      color: var(--accent-cyan);
    }
    .footer-bottom-strip {
      margin-top: 3.5rem;
      padding-top: 1.5rem;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      font-size: 0.82rem;
      color: var(--text-sub);
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 1rem;
    }

    @media print, screen and (max-width: 63.99875em) {
      .main-nav-links { gap: 1.2rem; }
      .section-heading { font-size: 1.75rem; }
    }
    @media print, screen and (max-width: 39.99875em) {
      .header-main-bar { flex-wrap: wrap; gap: 0.8rem; }
      .main-nav-links { gap: 0.8rem; flex-wrap: wrap; }
      .notice-chips-group { font-size: 0.75rem; }
      .section-padding { padding: 3rem 0; }
      .hero-h1, .section-heading { font-size: 1.5rem; }
      .filter-row { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
      .footer-bottom-strip { flex-direction: column; text-align: center; }
    }

/* roulang page: category1 */
:root {
    --bg-base: #0A0B0E;
    --bg-surface: #12141A;
    --bg-card: rgba(26, 29, 36, 0.88);
    --border-soft: rgba(255, 255, 255, 0.08);
    --border-accent: rgba(255, 26, 117, 0.35);
    --primary: #FF1A75;
    --secondary: #8A2BE2;
    --accent-cyan: #00F0FF;
    --text-main: #FFFFFF;
    --text-muted: #A0A5B5;
    --text-sub: #606575;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --shadow-glow: 0 10px 25px rgba(255, 26, 117, 0.22);
    --shadow-cyan: 0 0 15px rgba(0, 240, 255, 0.3);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  }
  * { box-sizing: border-box; }
  body {
    margin: 0;
    padding: 0;
    background-color: var(--bg-base);
    color: var(--text-main);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    line-height: 1.65;
    overflow-x: hidden;
  }
  a { color: inherit; text-decoration: none; transition: var(--transition); }
  a:hover { color: var(--accent-cyan); }
  img { max-width: 100%; height: auto; display: block; }

  .site-header {
    background: rgba(10, 11, 14, 0.94);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-soft);
    position: sticky;
    top: 0;
    z-index: 1000;
  }
  .header-main-bar {
    padding: 0.9rem 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.45rem;
    font-weight: 800;
    background: linear-gradient(135deg, #FFF 20%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 0.5px;
  }
  .brand-logo i {
    color: var(--primary);
    -webkit-text-fill-color: var(--primary);
    font-size: 1.5rem;
  }
  .main-nav-links {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 2rem;
  }
  .main-nav-links a {
    font-size: 0.95rem;
    color: var(--text-muted);
    font-weight: 500;
    padding: 0.4rem 0;
    position: relative;
  }
  .main-nav-links a.active, .main-nav-links a:hover {
    color: #FFF;
  }
  .main-nav-links a.active::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary);
    box-shadow: 0 0 8px var(--primary);
  }
  .header-notice-strip {
    background: #0E1015;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    padding: 0.45rem 0;
    font-size: 0.8rem;
  }
  .notice-chips-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
  }
  .notice-chip-item {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-soft);
    padding: 3px 10px;
    border-radius: 14px;
    color: var(--text-muted);
    font-size: 0.78rem;
  }
  .status-dot {
    width: 7px;
    height: 7px;
    background-color: #00E676;
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 8px #00E676;
  }

  .btn-gradient {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #FFF !important;
    padding: 0.7rem 1.6rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.92rem;
    border: none;
    box-shadow: var(--shadow-glow);
    cursor: pointer;
  }
  .btn-gradient:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(255, 26, 117, 0.35);
  }
  .btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.05);
    color: #FFF !important;
    padding: 0.7rem 1.4rem;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.92rem;
    border: 1px solid rgba(255, 255, 255, 0.18);
  }
  .btn-ghost:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.35);
  }

  .section-padding { padding: 4.5rem 0; }
  .section-title-wrap {
    margin-bottom: 2.5rem;
  }
  .section-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--accent-cyan);
    background: rgba(0, 240, 255, 0.08);
    border: 1px solid rgba(0, 240, 255, 0.25);
    padding: 3px 10px;
    border-radius: 20px;
    margin-bottom: 0.6rem;
  }
  .section-heading {
    font-size: 1.95rem;
    letter-spacing: -0.5px;
    margin: 0;
  }
  .section-lead {
    color: var(--text-muted);
    font-size: 0.95rem;
    max-width: 720px;
    margin: 0.5rem 0 0 0;
  }

  .cat-hero-banner {
    position: relative;
    background: #0d0f14;
    padding: 3.5rem 0 3rem;
    border-bottom: 1px solid var(--border-soft);
    overflow: hidden;
  }
  .cat-hero-banner::after {
    content: "";
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 26, 117, 0.15) 0%, transparent 70%);
    pointer-events: none;
  }
  .breadcrumbs {
    margin-bottom: 1.2rem;
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    padding: 0;
    font-size: 0.85rem;
    color: var(--text-sub);
  }
  .breadcrumbs li:not(:last-child)::after {
    content: "/";
    margin-left: 0.5rem;
    color: var(--text-sub);
  }
  .breadcrumbs a { color: var(--text-muted); }
  .breadcrumbs a:hover { color: var(--accent-cyan); }
  .cat-main-h1 {
    font-size: 2.4rem;
    font-weight: 800;
    margin: 0 0 0.8rem 0;
    line-height: 1.25;
    background: linear-gradient(120deg, #FFFFFF 40%, #D4D8E8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  .cat-hero-desc {
    color: var(--text-muted);
    font-size: 1rem;
    max-width: 860px;
    line-height: 1.7;
    margin: 0;
  }

  .filter-panel-box {
    background: var(--bg-surface);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-md);
    padding: 1.8rem;
    margin-bottom: 3.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  }
  .filter-row {
    display: flex;
    align-items: baseline;
    padding: 0.75rem 0;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.06);
    flex-wrap: wrap;
    gap: 0.6rem;
  }
  .filter-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }
  .filter-label {
    width: 90px;
    font-size: 0.85rem;
    color: var(--text-sub);
    font-weight: 600;
    flex-shrink: 0;
  }
  .filter-tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    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(255, 255, 255, 0.2);
  }
  .filter-tag.active {
    background: rgba(255, 26, 117, 0.15);
    border-color: var(--primary);
    color: #FFF;
    font-weight: 600;
  }

  .poster-card {
    background: var(--bg-card);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    margin-bottom: 1.8rem;
  }
  .poster-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-accent);
    box-shadow: var(--shadow-glow);
  }
  .poster-thumb-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 2 / 3;
    overflow: hidden;
    background: #181b22;
  }
  .poster-thumb-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
  }
  .poster-card:hover .poster-thumb-wrap img {
    transform: scale(1.05);
  }
  .poster-badge-top {
    position: absolute;
    top: 10px;
    left: 10px;
    background: rgba(10, 11, 14, 0.75);
    backdrop-filter: blur(8px);
    color: var(--accent-cyan);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 4px;
    border: 1px solid rgba(0, 240, 255, 0.3);
  }
  .poster-score {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(255, 26, 117, 0.85);
    backdrop-filter: blur(4px);
    color: #FFF;
    font-size: 0.75rem;
    font-weight: 800;
    padding: 2px 8px;
    border-radius: 4px;
  }
  .poster-info {
    padding: 1.1rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
  }
  .poster-genre-tag {
    font-size: 0.74rem;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 0.4rem;
  }
  .poster-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: #FFF;
    margin: 0 0 0.5rem 0;
    line-height: 1.4;
  }
  .poster-meta {
    font-size: 0.8rem;
    color: var(--text-sub);
    display: flex;
    justify-content: space-between;
    margin-top: auto;
    padding-top: 0.6rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
  }

  .rank-list-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-md);
    padding: 1.5rem;
  }
  .rank-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0.9rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }
  .rank-item:last-child { border-bottom: none; }
  .rank-num {
    font-size: 1.2rem;
    font-weight: 800;
    width: 24px;
    color: var(--text-sub);
  }
  .rank-item:nth-child(1) .rank-num { color: var(--primary); }
  .rank-item:nth-child(2) .rank-num { color: #FFA000; }
  .rank-item:nth-child(3) .rank-num { color: var(--accent-cyan); }
  .rank-info { flex: 1; }
  .rank-title {
    font-size: 0.92rem;
    font-weight: 600;
    color: #FFF;
    margin-bottom: 0.2rem;
  }
  .rank-meta {
    font-size: 0.78rem;
    color: var(--text-sub);
  }

  .guide-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-md);
    padding: 1.8rem;
    height: 100%;
  }
  .guide-card i {
    font-size: 2rem;
    color: var(--accent-cyan);
    margin-bottom: 1rem;
  }
  .guide-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.6rem;
    color: #FFF;
  }
  .guide-desc {
    color: var(--text-muted);
    font-size: 0.88rem;
    line-height: 1.7;
    margin: 0;
  }

  .tag-cloud-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
  }
  .tag-chip {
    background: var(--bg-surface);
    border: 1px solid var(--border-soft);
    padding: 0.5rem 1.1rem;
    border-radius: 30px;
    font-size: 0.86rem;
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
  }
  .tag-chip:hover {
    border-color: var(--primary);
    color: #FFF;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 26, 117, 0.2);
  }

  .faq-accordion {
    background: var(--bg-surface);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-md);
    overflow: hidden;
  }
  .faq-row {
    border-bottom: 1px solid var(--border-soft);
    padding: 1.4rem 1.8rem;
  }
  .faq-row:last-child { border-bottom: none; }
  .faq-q {
    font-size: 1.05rem;
    font-weight: 700;
    color: #FFF;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 0.5rem;
  }
  .faq-q i { color: var(--primary); font-size: 0.9rem; }
  .faq-a {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
    margin: 0;
    padding-left: 1.5rem;
  }

  .site-footer {
    background: #08090C;
    border-top: 1px solid var(--border-soft);
    padding: 4.5rem 0 2rem;
  }
  .footer-col-title {
    font-size: 1rem;
    font-weight: 700;
    color: #FFF;
    margin-bottom: 1.2rem;
  }
  .footer-links-list {
    list-style: none;
    margin: 0;
    padding: 0;
  }
  .footer-links-list li {
    margin-bottom: 0.6rem;
  }
  .footer-links-list a {
    color: var(--text-muted);
    font-size: 0.88rem;
  }
  .footer-links-list a:hover {
    color: #FFF;
  }
  .footer-bottom-strip {
    margin-top: 3.5rem;
    padding-top: 1.8rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: space-between;
    color: var(--text-sub);
    font-size: 0.82rem;
    flex-wrap: wrap;
    gap: 1rem;
  }

  @media (max-width: 1024px) {
    .main-nav-links { gap: 1.2rem; }
  }
  @media (max-width: 768px) {
    .section-padding { padding: 3.2rem 0; }
    .header-main-bar { flex-wrap: wrap; gap: 0.8rem; }
    .main-nav-links { gap: 0.8rem; font-size: 0.85rem; }
    .cat-main-h1 { font-size: 1.8rem; }
    .filter-panel-box { padding: 1.2rem; }
    .filter-label { width: 100%; margin-bottom: 0.4rem; }
  }

/* roulang page: category3 */
:root {
      --bg-base: #0A0B0E;
      --bg-surface: #12141A;
      --bg-card: rgba(26, 29, 36, 0.88);
      --border-soft: rgba(255, 255, 255, 0.08);
      --border-accent: rgba(255, 26, 117, 0.35);
      --primary: #FF1A75;
      --secondary: #8A2BE2;
      --accent-cyan: #00F0FF;
      --text-main: #FFFFFF;
      --text-muted: #A0A5B5;
      --text-sub: #606575;
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --shadow-glow: 0 10px 25px rgba(255, 26, 117, 0.22);
      --shadow-cyan: 0 0 15px rgba(0, 240, 255, 0.3);
      --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    }
    body {
      margin: 0;
      padding: 0;
      background-color: var(--bg-base);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.65;
      overflow-x: hidden;
    }
    a { color: inherit; text-decoration: none; transition: var(--transition); }
    a:hover { color: var(--accent-cyan); }
    img { max-width: 100%; height: auto; display: block; }
    
    .section-padding { padding: 4.5rem 0; }
    .section-title-wrap {
      margin-bottom: 2.8rem;
      position: relative;
    }
    .section-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.8rem;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      color: var(--accent-cyan);
      background: rgba(0, 240, 255, 0.08);
      border: 1px solid rgba(0, 240, 255, 0.25);
      padding: 4px 12px;
      border-radius: 20px;
      margin-bottom: 0.8rem;
    }
    .section-heading {
      font-size: 2rem;
      letter-spacing: -0.5px;
      margin: 0;
    }
    .section-lead {
      color: var(--text-muted);
      font-size: 0.95rem;
      max-width: 760px;
      margin: 0.6rem 0 0 0;
    }

    /* 顶部导航与公告胶囊 */
    .site-header {
      background: rgba(10, 11, 14, 0.92);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-soft);
      position: sticky;
      top: 0;
      z-index: 1000;
    }
    .header-main-bar {
      padding: 0.9rem 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.45rem;
      font-weight: 800;
      background: linear-gradient(135deg, #FFF 20%, var(--primary) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      letter-spacing: 0.5px;
    }
    .brand-logo i {
      color: var(--primary);
      -webkit-text-fill-color: var(--primary);
      font-size: 1.5rem;
    }
    .main-nav-links {
      display: flex;
      list-style: none;
      margin: 0;
      padding: 0;
      gap: 2rem;
    }
    .main-nav-links a {
      font-size: 0.95rem;
      color: var(--text-muted);
      font-weight: 500;
      padding: 0.4rem 0;
      position: relative;
    }
    .main-nav-links a.active, .main-nav-links a:hover {
      color: #FFF;
    }
    .main-nav-links a.active::after {
      content: "";
      position: absolute;
      bottom: -2px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--primary);
      box-shadow: 0 0 8px var(--primary);
    }
    .header-notice-strip {
      background: #0E1015;
      border-top: 1px solid rgba(255, 255, 255, 0.04);
      padding: 0.45rem 0;
      font-size: 0.8rem;
    }
    .notice-chips-group {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      flex-wrap: wrap;
    }
    .notice-chip-item {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid var(--border-soft);
      padding: 3px 10px;
      border-radius: 14px;
      color: var(--text-muted);
      font-size: 0.78rem;
    }
    .status-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background-color: #00E676;
      box-shadow: 0 0 6px #00E676;
      animation: pulseGreen 2s infinite;
    }
    @keyframes pulseGreen {
      0% { opacity: 0.6; }
      50% { opacity: 1; }
      100% { opacity: 0.6; }
    }

    /* 按钮规范 */
    .btn-gradient {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: #FFF !important;
      padding: 0.7rem 1.6rem;
      border-radius: 8px;
      font-weight: 600;
      font-size: 0.92rem;
      border: none;
      box-shadow: var(--shadow-glow);
      cursor: pointer;
      transition: var(--transition);
    }
    .btn-gradient:hover {
      transform: translateY(-2px);
      box-shadow: 0 14px 28px rgba(255, 26, 117, 0.35);
    }
    .btn-ghost {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: rgba(255, 255, 255, 0.05);
      color: #FFF !important;
      padding: 0.7rem 1.5rem;
      border-radius: 8px;
      font-weight: 500;
      font-size: 0.92rem;
      border: 1px solid rgba(255, 255, 255, 0.2);
      transition: var(--transition);
    }
    .btn-ghost:hover {
      background: rgba(255, 255, 255, 0.12);
      border-color: rgba(255, 255, 255, 0.4);
    }

    /* 板块 1: 分类专题头部横幅与面包屑 */
    .category-header-banner {
      background: linear-gradient(180deg, rgba(18, 20, 26, 0.96) 0%, var(--bg-base) 100%), url('/assets/images/13a7b284172d76f6.jpg') center/cover no-repeat;
      border-bottom: 1px solid var(--border-soft);
      padding: 3.5rem 0 2.5rem 0;
      position: relative;
    }
    .breadcrumbs {
      display: flex;
      align-items: center;
      gap: 0.6rem;
      list-style: none;
      margin: 0 0 1.2rem 0;
      padding: 0;
      font-size: 0.85rem;
      color: var(--text-muted);
    }
    .breadcrumbs li:not(:last-child)::after {
      content: "/";
      margin-left: 0.6rem;
      color: var(--text-sub);
    }
    .breadcrumbs a { color: var(--text-muted); }
    .breadcrumbs a:hover { color: var(--accent-cyan); }
    .breadcrumbs .current { color: #FFF; font-weight: 600; }
    .cat-h1 {
      font-size: 2.35rem;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 0.8rem;
      background: linear-gradient(135deg, #FFFFFF 30%, #E0E4F0 70%, var(--accent-cyan) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .cat-summary {
      color: var(--text-muted);
      font-size: 1rem;
      max-width: 860px;
      line-height: 1.8;
      margin: 0;
    }
    .cat-badge-strip {
      display: flex;
      align-items: center;
      gap: 1rem;
      margin-top: 1.5rem;
      flex-wrap: wrap;
    }
    .cat-spec-pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.78rem;
      background: rgba(255, 26, 117, 0.08);
      border: 1px solid var(--border-accent);
      color: #FF85B3;
      padding: 4px 12px;
      border-radius: 6px;
    }

    /* 板块 2: 多维筛选面板 */
    .filter-panel-section {
      padding: 2rem 0 1rem 0;
      border-bottom: 1px solid var(--border-soft);
      background: var(--bg-surface);
    }
    .filter-panel {
      background: var(--bg-card);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-md);
      padding: 1.5rem 1.8rem;
    }
    .filter-row {
      display: flex;
      align-items: flex-start;
      margin-bottom: 1rem;
      padding-bottom: 1rem;
      border-bottom: 1px dashed rgba(255, 255, 255, 0.06);
    }
    .filter-row:last-child {
      margin-bottom: 0;
      padding-bottom: 0;
      border-bottom: none;
    }
    .filter-label {
      width: 90px;
      flex-shrink: 0;
      color: var(--text-sub);
      font-size: 0.88rem;
      font-weight: 600;
      padding-top: 4px;
    }
    .filter-options {
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem 0.8rem;
      flex-grow: 1;
    }
    .filter-chip {
      font-size: 0.82rem;
      color: var(--text-muted);
      padding: 4px 12px;
      border-radius: 4px;
      cursor: pointer;
      background: transparent;
      border: 1px solid transparent;
      transition: var(--transition);
    }
    .filter-chip:hover {
      color: #FFF;
      background: rgba(255, 255, 255, 0.05);
    }
    .filter-chip.active {
      background: rgba(0, 240, 255, 0.12);
      border-color: rgba(0, 240, 255, 0.4);
      color: var(--accent-cyan);
      font-weight: 600;
    }

    /* 板块 3: 海报瀑布流列表 */
    .poster-grid-section { padding: 4.5rem 0 3rem 0; }
    .poster-card {
      background: var(--bg-card);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      height: 100%;
      position: relative;
      transition: var(--transition);
    }
    .poster-card:hover {
      transform: translateY(-6px);
      border-color: var(--border-accent);
      box-shadow: 0 14px 28px rgba(255, 26, 117, 0.2);
    }
    .poster-thumb-wrap {
      position: relative;
      width: 100%;
      padding-top: 140%; /* 约 2:3 影视比例 */
      background: #171922;
      overflow: hidden;
    }
    .poster-thumb-wrap img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .poster-card:hover .poster-thumb-wrap img {
      transform: scale(1.06);
    }
    .poster-quality-tag {
      position: absolute;
      top: 10px;
      left: 10px;
      background: rgba(10, 11, 14, 0.85);
      border: 1px solid rgba(0, 240, 255, 0.4);
      color: var(--accent-cyan);
      font-size: 0.7rem;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 4px;
      backdrop-filter: blur(4px);
    }
    .poster-score {
      position: absolute;
      bottom: 10px;
      right: 10px;
      background: rgba(255, 26, 117, 0.9);
      color: #FFF;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 2px 6px;
      border-radius: 4px;
      display: flex;
      align-items: center;
      gap: 3px;
    }
    .poster-body {
      padding: 1.2rem;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .poster-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: #FFF;
      margin-bottom: 0.4rem;
      line-height: 1.4;
    }
    .poster-desc {
      font-size: 0.82rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 0.8rem;
    }
    .poster-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 0.76rem;
      color: var(--text-sub);
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 0.8rem;
    }

    /* 瀑布流单处“加载更多/查看更多” */
    .pagination-bar {
      margin-top: 3.5rem;
      text-align: center;
    }

    /* 板块 4: 热度飙升榜 */
    .rank-board-section {
      padding: 4rem 0;
      background: #0E1015;
      border-top: 1px solid var(--border-soft);
      border-bottom: 1px solid var(--border-soft);
    }
    .rank-card {
      background: var(--bg-card);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-md);
      padding: 1.2rem;
      display: flex;
      align-items: center;
      gap: 1.2rem;
      height: 100%;
      transition: var(--transition);
    }
    .rank-card:hover {
      border-color: rgba(0, 240, 255, 0.4);
      background: rgba(30, 34, 43, 0.95);
    }
    .rank-num {
      font-size: 1.8rem;
      font-weight: 900;
      line-height: 1;
      min-width: 32px;
      color: var(--text-sub);
      font-family: monospace, sans-serif;
    }
    .rank-card:nth-child(1) .rank-num { color: #FFD700; text-shadow: 0 0 10px rgba(255, 215, 0, 0.4); }
    .rank-card:nth-child(2) .rank-num { color: #00F0FF; }
    .rank-card:nth-child(3) .rank-num { color: #FF1A75; }
    .rank-details { flex-grow: 1; }
    .rank-name {
      font-size: 0.98rem;
      font-weight: 700;
      color: #FFF;
      margin-bottom: 0.25rem;
    }
    .rank-param {
      font-size: 0.78rem;
      color: var(--text-muted);
      display: flex;
      gap: 1rem;
    }
    .rank-heat {
      font-size: 0.8rem;
      color: #FF5252;
      font-weight: 700;
      display: flex;
      align-items: center;
      gap: 4px;
    }

    /* 板块 5: 观影视听建议与设备匹配说明 */
    .specs-guide-section {
      padding: 4.5rem 0;
    }
    .guide-box {
      background: var(--bg-card);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-lg);
      padding: 2.2rem;
      height: 100%;
    }
    .guide-box-header {
      display: flex;
      align-items: center;
      gap: 1rem;
      margin-bottom: 1.5rem;
    }
    .guide-box-icon {
      width: 48px;
      height: 48px;
      border-radius: 10px;
      background: rgba(0, 240, 255, 0.1);
      border: 1px solid rgba(0, 240, 255, 0.3);
      color: var(--accent-cyan);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.3rem;
    }
    .guide-box-title {
      font-size: 1.2rem;
      font-weight: 700;
      color: #FFF;
      margin: 0;
    }
    .guide-item-list {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .guide-item-list li {
      margin-bottom: 1rem;
      color: var(--text-muted);
      font-size: 0.88rem;
      line-height: 1.7;
      display: flex;
      align-items: flex-start;
      gap: 10px;
    }
    .guide-item-list li i {
      color: var(--primary);
      margin-top: 5px;
      font-size: 0.85rem;
    }

    /* 板块 6: 专题标签聚合网格 */
    .tag-cloud-section {
      padding: 3.5rem 0;
      background: #0B0D12;
      border-top: 1px solid var(--border-soft);
    }
    .tag-cluster-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 0.75rem;
      margin-top: 1.5rem;
    }
    .cluster-tag {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--border-soft);
      color: var(--text-muted);
      padding: 8px 16px;
      border-radius: 20px;
      font-size: 0.85rem;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: var(--transition);
    }
    .cluster-tag:hover {
      background: rgba(255, 26, 117, 0.1);
      border-color: var(--border-accent);
      color: #FFF;
      transform: translateY(-2px);
    }
    .cluster-tag span.count {
      font-size: 0.75rem;
      color: var(--accent-cyan);
      background: rgba(0, 240, 255, 0.1);
      padding: 2px 6px;
      border-radius: 10px;
    }

    /* 板块 7: 分类答疑与申诉入口 */
    .qa-appeal-section {
      padding: 4.5rem 0 5rem 0;
      border-top: 1px solid var(--border-soft);
    }
    .appeal-card {
      background: linear-gradient(135deg, rgba(26, 29, 36, 0.95), rgba(18, 20, 26, 0.98));
      border: 1px solid var(--border-accent);
      border-radius: var(--radius-lg);
      padding: 2.5rem;
      position: relative;
      overflow: hidden;
    }
    .appeal-card::before {
      content: "";
      position: absolute;
      top: -50%;
      right: -20%;
      width: 300px;
      height: 300px;
      background: radial-gradient(circle, rgba(255, 26, 117, 0.15) 0%, transparent 70%);
      pointer-events: none;
    }
    .faq-mini-item {
      background: rgba(255, 255, 255, 0.02);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-sm);
      padding: 1.2rem 1.4rem;
      margin-bottom: 1rem;
    }
    .faq-mini-q {
      font-size: 0.96rem;
      font-weight: 700;
      color: #FFF;
      margin-bottom: 0.45rem;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .faq-mini-q i { color: var(--accent-cyan); }
    .faq-mini-a {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin: 0;
    }

    /* 统一页脚样式系统 */
    .site-footer {
      background: #07080A;
      border-top: 1px solid var(--border-soft);
      padding: 4.5rem 0 2rem 0;
      color: var(--text-muted);
    }
    .footer-col-title {
      font-size: 1rem;
      font-weight: 700;
      color: #FFF;
      margin-bottom: 1.2rem;
      letter-spacing: 0.5px;
    }
    .footer-links-list {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links-list li {
      margin-bottom: 0.65rem;
    }
    .footer-links-list a {
      font-size: 0.86rem;
      color: var(--text-muted);
    }
    .footer-links-list a:hover {
      color: var(--primary);
      padding-left: 4px;
    }
    .footer-bottom-strip {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      margin-top: 3.5rem;
      padding-top: 1.8rem;
      font-size: 0.8rem;
      color: var(--text-sub);
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 1rem;
    }

    /* 移动端与自适应响应 */
    @media (max-width: 1024px) {
      .main-nav-links { gap: 1.2rem; }
      .cat-h1 { font-size: 1.95rem; }
    }
    @media (max-width: 640px) {
      .header-main-bar { flex-wrap: wrap; gap: 1rem; }
      .main-nav-links { gap: 0.8rem; flex-wrap: wrap; }
      .notice-chips-group { overflow-x: auto; white-space: nowrap; padding-bottom: 4px; }
      .cat-h1 { font-size: 1.6rem; }
      .filter-label { width: 100%; margin-bottom: 0.4rem; }
      .filter-row { flex-direction: column; }
      .footer-bottom-strip { flex-direction: column; align-items: flex-start; }
    }