/* roulang page: index */
:root {
      --bg-main: #0B0D14;
      --bg-card: #131722;
      --bg-card-hover: #1B2132;
      --text-main: #F3F4F6;
      --text-muted: #9CA3AF;
      --text-dim: #6B7280;
      --primary-grad: linear-gradient(135deg, #7928CA 0%, #FF0080 100%);
      --accent-grad: linear-gradient(120deg, #4F46E5 0%, #06B6D4 100%);
      --gold: #F59E0B;
      --emerald: #10B981;
      --border-soft: rgba(255, 255, 255, 0.1);
      --border-glow: rgba(255, 0, 128, 0.35);
      --radius-lg: 20px;
      --radius-xl: 28px;
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      background-color: var(--bg-main);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
      overflow-x: hidden;
    }
    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; height: auto; display: block; }
    .container {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 1.25rem;
    }
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      padding: 0.25rem 0.65rem;
      font-size: 0.75rem;
      font-weight: 600;
      border-radius: 9999px;
      border: 1px solid var(--border-soft);
      background: rgba(255, 255, 255, 0.05);
      white-space: nowrap;
    }
    .badge-gold { color: var(--gold); border-color: rgba(245, 158, 11, 0.3); background: rgba(245, 158, 11, 0.1); }
    .badge-emerald { color: var(--emerald); border-color: rgba(16, 185, 129, 0.3); background: rgba(16, 185, 129, 0.1); }
    .badge-pink { color: #FF0080; border-color: rgba(255, 0, 128, 0.3); background: rgba(255, 0, 128, 0.1); }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      padding: 0.75rem 1.75rem;
      font-weight: 600;
      border-radius: 9999px;
      transition: all 0.25s ease;
      cursor: pointer;
      border: none;
    }
    .btn-primary {
      background: var(--primary-grad);
      color: #fff;
      box-shadow: 0 4px 20px rgba(255, 0, 128, 0.3);
    }
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 25px rgba(255, 0, 128, 0.5);
    }
    .btn-outline {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--border-soft);
      color: var(--text-main);
    }
    .btn-outline:hover {
      background: rgba(255, 255, 255, 0.12);
      border-color: rgba(255, 255, 255, 0.25);
    }
    .section-wrap {
      padding: 4.5rem 0;
      position: relative;
    }
    .section-alt {
      background: #0E111A;
      border-top: 1px solid rgba(255, 255, 255, 0.03);
      border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    }
    .sec-header {
      margin-bottom: 2.5rem;
    }
    .sec-header h2 {
      font-size: 2rem;
      font-weight: 800;
      letter-spacing: -0.02em;
      margin-bottom: 0.75rem;
    }
    .sec-header p {
      color: var(--text-muted);
      font-size: 1rem;
      max-width: 820px;
    }
    /* Header */
    .top-bar {
      border-bottom: 1px solid var(--border-soft);
      padding: 0.6rem 0;
      font-size: 0.82rem;
      color: var(--text-muted);
    }
    .nav-bar {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(11, 13, 20, 0.88);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-soft);
    }
    .nav-content {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 70px;
    }
    .logo {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      font-size: 1.15rem;
      font-weight: 800;
      color: #fff;
    }
    .logo-icon {
      width: 36px;
      height: 36px;
      border-radius: 10px;
      background: var(--primary-grad);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      box-shadow: 0 0 15px rgba(255, 0, 128, 0.4);
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 1.5rem;
      list-style: none;
    }
    .nav-links a {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-muted);
      transition: color 0.2s;
    }
    .nav-links a:hover, .nav-links a.active {
      color: #fff;
    }
    /* Hero */
    .hero-box {
      border-radius: var(--radius-xl);
      background-image: linear-gradient(to right, rgba(11, 13, 20, 0.95) 45%, rgba(11, 13, 20, 0.4)), url('/assets/images/763bc340fb54a4f1.webp');
      background-size: cover;
      background-position: center;
      padding: 4rem 3rem;
      border: 1px solid var(--border-soft);
      display: grid;
      grid-template-columns: 1.25fr 0.75fr;
      gap: 3rem;
      align-items: center;
      box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
    }
    .hero-text h1 {
      font-size: 2.75rem;
      line-height: 1.2;
      font-weight: 900;
      margin-bottom: 1.25rem;
    }
    .hero-text h1 span {
      background: var(--primary-grad);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-desc {
      color: var(--text-muted);
      font-size: 1.05rem;
      margin-bottom: 2rem;
      line-height: 1.7;
    }
    .hero-screen {
      background: #000;
      border-radius: var(--radius-lg);
      padding: 0.65rem;
      border: 2px solid rgba(255, 255, 255, 0.15);
      box-shadow: 0 15px 35px rgba(0,0,0,0.8);
      position: relative;
    }
    .hero-screen img {
      border-radius: calc(var(--radius-lg) - 6px);
      width: 100%;
      height: 380px;
      object-fit: cover;
    }
    .hero-screen-badge {
      position: absolute;
      bottom: 1.5rem;
      left: 1.5rem;
      right: 1.5rem;
      background: rgba(19, 23, 34, 0.85);
      backdrop-filter: blur(8px);
      padding: 0.75rem 1rem;
      border-radius: 12px;
      border: 1px solid var(--border-soft);
      font-size: 0.82rem;
    }
    /* Pain point comparison */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.5rem;
    }
    .grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.5rem;
    }
    .card {
      background: var(--bg-card);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-lg);
      padding: 1.75rem;
      transition: all 0.25s ease;
    }
    .card:hover {
      background: var(--bg-card-hover);
      border-color: var(--border-glow);
      transform: translateY(-4px);
    }
    /* Steps */
    .step-num {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--primary-grad);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.1rem;
      margin-bottom: 1.25rem;
    }
    /* Category Banners */
    .cat-card {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-soft);
      height: 240px;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      padding: 1.5rem;
      background-size: cover;
      background-position: center;
    }
    .cat-card::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(11, 13, 20, 0.95) 15%, rgba(11, 13, 20, 0.2));
    }
    .cat-content {
      position: relative;
      z-index: 2;
    }
    /* Stats */
    .stat-box {
      text-align: center;
      padding: 2.2rem 1.5rem;
      border-radius: var(--radius-lg);
      background: rgba(255, 255, 255, 0.02);
      border: 1px solid var(--border-soft);
    }
    .stat-val {
      font-size: 2.6rem;
      font-weight: 900;
      background: var(--primary-grad);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      margin-bottom: 0.35rem;
    }
    /* CMS List */
    .post-card {
      background: var(--bg-card);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-soft);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: all 0.25s ease;
    }
    .post-card:hover {
      border-color: rgba(255, 0, 128, 0.4);
      transform: translateY(-4px);
    }
    .post-img-wrap {
      position: relative;
      height: 180px;
      overflow: hidden;
      background: #1A1F2C;
    }
    .post-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.35s ease;
    }
    .post-card:hover .post-img-wrap img {
      transform: scale(1.05);
    }
    .post-body {
      padding: 1.5rem;
      display: flex;
      flex-direction: column;
      flex: 1;
    }
    .post-title {
      font-size: 1.15rem;
      font-weight: 700;
      line-height: 1.4;
      margin-bottom: 0.65rem;
      color: #fff;
    }
    .post-desc {
      color: var(--text-muted);
      font-size: 0.88rem;
      line-height: 1.6;
      margin-bottom: 1.25rem;
      flex: 1;
    }
    .post-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 0.85rem;
      font-size: 0.78rem;
      color: var(--text-dim);
    }
    /* Lab table */
    .lab-table {
      width: 100%;
      border-collapse: collapse;
      border-radius: var(--radius-lg);
      overflow: hidden;
      background: var(--bg-card);
      border: 1px solid var(--border-soft);
    }
    .lab-table th, .lab-table td {
      padding: 1rem 1.25rem;
      text-align: left;
      border-bottom: 1px solid var(--border-soft);
    }
    .lab-table th {
      background: rgba(255, 255, 255, 0.04);
      color: var(--text-muted);
      font-weight: 600;
      font-size: 0.88rem;
    }
    .lab-table tr:hover {
      background: rgba(255, 255, 255, 0.02);
    }
    /* CTA Box */
    .cta-card {
      border-radius: var(--radius-xl);
      background: radial-gradient(circle at top right, rgba(255, 0, 128, 0.25), transparent 70%), linear-gradient(135deg, #131722, #0E111A);
      border: 1px solid rgba(255, 0, 128, 0.3);
      padding: 3.5rem 2.5rem;
      text-align: center;
      box-shadow: 0 20px 60px rgba(0,0,0,0.6);
    }
    /* Footer */
    footer {
      background: #080A0F;
      border-top: 1px solid var(--border-soft);
      padding: 4rem 0 2rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 2.5rem;
      margin-bottom: 3rem;
    }
    .footer-col h4 {
      font-size: 1rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 1.2rem;
    }
    .footer-col ul {
      list-style: none;
      font-size: 0.88rem;
      color: var(--text-muted);
    }
    .footer-col ul li {
      margin-bottom: 0.65rem;
    }
    .footer-bottom {
      border-top: 1px solid var(--border-soft);
      padding-top: 2rem;
      text-align: center;
      font-size: 0.82rem;
      color: var(--text-dim);
    }
    /* Responsive */
    @media (max-width: 1024px) {
      .hero-box { grid-template-columns: 1fr; padding: 2.5rem 1.75rem; }
      .grid-4 { grid-template-columns: repeat(2, 1fr); }
      .grid-3 { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 640px) {
      .hero-text h1 { font-size: 2rem; }
      .grid-4, .grid-3 { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
      .nav-links { display: none; }
    }

/* roulang page: article */
:root {
      --bg-main: #0B0D14;
      --bg-card: #131722;
      --bg-card-hover: #1B2132;
      --text-main: #F3F4F6;
      --text-muted: #9CA3AF;
      --text-dim: #6B7280;
      --primary-grad: linear-gradient(135deg, #7928CA 0%, #FF0080 100%);
      --accent-grad: linear-gradient(120deg, #4F46E5 0%, #06B6D4 100%);
      --gold: #F59E0B;
      --emerald: #10B981;
      --border-soft: rgba(255, 255, 255, 0.1);
      --border-glow: rgba(255, 0, 128, 0.35);
      --radius-lg: 20px;
      --radius-xl: 28px;
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      background-color: var(--bg-main);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
      overflow-x: hidden;
    }
    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; height: auto; display: block; }
    .container {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 1.25rem;
    }
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      padding: 0.25rem 0.65rem;
      font-size: 0.75rem;
      font-weight: 600;
      border-radius: 9999px;
      border: 1px solid var(--border-soft);
      background: rgba(255, 255, 255, 0.05);
      white-space: nowrap;
    }
    .badge-gold { color: var(--gold); border-color: rgba(245, 158, 11, 0.3); background: rgba(245, 158, 11, 0.1); }
    .badge-emerald { color: var(--emerald); border-color: rgba(16, 185, 129, 0.3); background: rgba(16, 185, 129, 0.1); }
    .badge-pink { color: #FF0080; border-color: rgba(255, 0, 128, 0.3); background: rgba(255, 0, 128, 0.1); }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      padding: 0.75rem 1.75rem;
      font-weight: 600;
      border-radius: 9999px;
      transition: all 0.25s ease;
      cursor: pointer;
      border: none;
    }
    .btn-primary {
      background: var(--primary-grad);
      color: #fff;
      box-shadow: 0 4px 20px rgba(255, 0, 128, 0.3);
    }
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 25px rgba(255, 0, 128, 0.5);
    }
    .btn-outline {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--border-soft);
      color: var(--text-main);
    }
    .btn-outline:hover {
      background: rgba(255, 255, 255, 0.12);
      border-color: rgba(255, 255, 255, 0.25);
    }
    .nav-bar {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(11, 13, 20, 0.88);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-soft);
    }
    .nav-content {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 70px;
    }
    .logo {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      font-size: 1.15rem;
      font-weight: 800;
      color: #fff;
    }
    .logo-icon {
      width: 36px;
      height: 36px;
      border-radius: 10px;
      background: var(--primary-grad);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      box-shadow: 0 0 15px rgba(255, 0, 128, 0.4);
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 1.5rem;
      list-style: none;
    }
    .nav-links a {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-muted);
      transition: color 0.2s;
    }
    .nav-links a:hover, .nav-links a.active {
      color: #fff;
    }

    /* Article Layout Specific */
    .article-wrap {
      padding: 3rem 0 5rem 0;
      display: grid;
      grid-template-columns: minmax(0, 1fr) 340px;
      gap: 2.5rem;
    }
    .reading-col {
      min-width: 0;
      max-width: 820px;
    }
    .sidebar-col {
      display: flex;
      flex-direction: column;
      gap: 2rem;
    }
    
    /* Breadcrumbs */
    .breadcrumb-row {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-bottom: 1.5rem;
    }
    .breadcrumb-row a:hover { color: #fff; }
    .breadcrumb-row i { font-size: 0.7rem; color: var(--text-dim); }

    /* Article Header */
    .article-hero {
      background: var(--bg-card);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-xl);
      padding: 2.5rem;
      margin-bottom: 2.5rem;
      position: relative;
      overflow: hidden;
    }
    .article-hero::after {
      content: '';
      position: absolute;
      top: 0;
      right: 0;
      width: 250px;
      height: 250px;
      background: var(--primary-grad);
      opacity: 0.08;
      filter: blur(50px);
      border-radius: 50%;
      pointer-events: none;
    }
    .article-h1 {
      font-size: 2.2rem;
      line-height: 1.3;
      font-weight: 800;
      letter-spacing: -0.02em;
      margin-bottom: 1.25rem;
      color: #fff;
    }
    .article-meta {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 1.25rem;
      font-size: 0.85rem;
      color: var(--text-muted);
      padding-top: 1.25rem;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
    }
    .article-meta span {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
    }

    /* Lead Card */
    .lead-box {
      background: rgba(255, 255, 255, 0.02);
      border-left: 4px solid #FF0080;
      border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
      padding: 1.25rem 1.5rem;
      margin-bottom: 2.5rem;
      font-size: 0.98rem;
      color: var(--text-muted);
      line-height: 1.75;
    }

    /* Content Typography */
    .typography {
      font-size: 1.05rem;
      line-height: 1.85;
      color: #D1D5DB;
    }
    .typography p {
      margin-bottom: 1.5rem;
    }
    .typography h2 {
      font-size: 1.6rem;
      font-weight: 700;
      color: #fff;
      margin: 2.5rem 0 1rem 0;
      display: flex;
      align-items: center;
      gap: 0.6rem;
    }
    .typography h2::before {
      content: '';
      display: inline-block;
      width: 4px;
      height: 1.25rem;
      background: var(--primary-grad);
      border-radius: 2px;
    }
    .typography h3 {
      font-size: 1.25rem;
      font-weight: 600;
      color: #E5E7EB;
      margin: 2rem 0 0.85rem 0;
    }
    .typography ul, .typography ol {
      margin: 1rem 0 1.75rem 1.5rem;
      color: var(--text-muted);
    }
    .typography li {
      margin-bottom: 0.6rem;
    }
    .typography blockquote {
      background: #10141F;
      border: 1px solid var(--border-soft);
      border-left: 4px solid var(--gold);
      border-radius: 12px;
      padding: 1.25rem 1.5rem;
      margin: 2rem 0;
      font-style: italic;
      color: #E5E7EB;
    }
    .typography img {
      border-radius: var(--radius-lg);
      margin: 2rem 0;
      border: 1px solid var(--border-soft);
      box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    }

    /* Spec Table */
    .spec-table-box {
      background: var(--bg-card);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-lg);
      padding: 1.5rem;
      margin: 2.5rem 0;
    }
    .spec-table-title {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 1rem;
      color: #fff;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }
    .spec-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 1rem;
    }
    .spec-item {
      background: rgba(255, 255, 255, 0.03);
      padding: 0.85rem 1rem;
      border-radius: 12px;
      border: 1px solid rgba(255, 255, 255, 0.05);
    }
    .spec-label {
      font-size: 0.78rem;
      color: var(--text-dim);
      margin-bottom: 0.25rem;
    }
    .spec-val {
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--text-main);
    }

    /* Rating Feedback Bar */
    .rating-bar-box {
      background: #111520;
      border: 1px dashed var(--border-soft);
      border-radius: var(--radius-lg);
      padding: 1.5rem;
      margin: 3rem 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1.5rem;
    }
    .rating-score {
      display: flex;
      align-items: center;
      gap: 0.75rem;
    }
    .score-num {
      font-size: 2rem;
      font-weight: 900;
      color: var(--gold);
      line-height: 1;
    }

    /* Related Grid */
    .related-sec {
      margin-top: 3.5rem;
      padding-top: 2.5rem;
      border-top: 1px solid var(--border-soft);
    }
    .related-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 1.25rem;
      margin-top: 1.25rem;
    }
    .related-card {
      background: var(--bg-card);
      border: 1px solid var(--border-soft);
      border-radius: 16px;
      padding: 1rem;
      display: flex;
      gap: 1rem;
      transition: all 0.2s;
    }
    .related-card:hover {
      background: var(--bg-card-hover);
      border-color: var(--border-glow);
      transform: translateY(-2px);
    }
    .related-thumb {
      width: 100px;
      height: 72px;
      border-radius: 10px;
      object-fit: cover;
      flex-shrink: 0;
    }
    .related-title {
      font-size: 0.9rem;
      font-weight: 600;
      line-height: 1.4;
      color: #fff;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    /* Sidebar Blocks */
    .side-widget {
      background: var(--bg-card);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-lg);
      padding: 1.5rem;
    }
    .widget-title {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 1.25rem;
      color: #fff;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }
    .wiki-pill-list {
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem;
    }
    .wiki-pill {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--border-soft);
      padding: 0.4rem 0.75rem;
      border-radius: 8px;
      font-size: 0.8rem;
      color: var(--text-muted);
    }
    .cta-card {
      background-image: linear-gradient(145deg, #1A1F30 0%, #111522 100%);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-lg);
      padding: 1.75rem;
      text-align: center;
    }

    /* Footer */
    footer {
      background: #080A0F;
      border-top: 1px solid var(--border-soft);
      padding: 4rem 0 2rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 2.5rem;
      margin-bottom: 3rem;
    }
    .footer-col h4 {
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 1.25rem;
      color: #fff;
    }
    .footer-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 0.6rem;
    }
    .footer-col a {
      color: var(--text-muted);
      font-size: 0.88rem;
      transition: color 0.2s;
    }
    .footer-col a:hover { color: #fff; }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 1.5rem;
      text-align: center;
      font-size: 0.82rem;
      color: var(--text-dim);
    }

    @media (max-width: 1024px) {
      .article-wrap { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 768px) {
      .nav-links { display: none; }
      .article-hero { padding: 1.5rem; }
      .article-h1 { font-size: 1.6rem; }
      .spec-grid { grid-template-columns: 1fr; }
      .related-grid { grid-template-columns: 1fr; }
      .rating-bar-box { flex-direction: column; align-items: flex-start; }
      .footer-grid { grid-template-columns: 1fr; }
    }

/* roulang page: category1 */
:root {
      --bg-main: #0B0D14;
      --bg-card: #131722;
      --bg-card-hover: #1B2132;
      --text-main: #F3F4F6;
      --text-muted: #9CA3AF;
      --text-dim: #6B7280;
      --primary-grad: linear-gradient(135deg, #7928CA 0%, #FF0080 100%);
      --accent-grad: linear-gradient(120deg, #4F46E5 0%, #06B6D4 100%);
      --gold: #F59E0B;
      --emerald: #10B981;
      --border-soft: rgba(255, 255, 255, 0.1);
      --border-glow: rgba(255, 0, 128, 0.35);
      --radius-lg: 20px;
      --radius-xl: 28px;
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      background-color: var(--bg-main);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
      overflow-x: hidden;
    }
    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; height: auto; display: block; }
    .container {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 1.25rem;
    }
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      padding: 0.25rem 0.65rem;
      font-size: 0.75rem;
      font-weight: 600;
      border-radius: 9999px;
      border: 1px solid var(--border-soft);
      background: rgba(255, 255, 255, 0.05);
      white-space: nowrap;
    }
    .badge-gold { color: var(--gold); border-color: rgba(245, 158, 11, 0.3); background: rgba(245, 158, 11, 0.1); }
    .badge-emerald { color: var(--emerald); border-color: rgba(16, 185, 129, 0.3); background: rgba(16, 185, 129, 0.1); }
    .badge-pink { color: #FF0080; border-color: rgba(255, 0, 128, 0.3); background: rgba(255, 0, 128, 0.1); }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      padding: 0.75rem 1.75rem;
      font-weight: 600;
      border-radius: 9999px;
      transition: all 0.25s ease;
      cursor: pointer;
      border: none;
    }
    .btn-primary {
      background: var(--primary-grad);
      color: #fff;
      box-shadow: 0 4px 20px rgba(255, 0, 128, 0.3);
    }
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 25px rgba(255, 0, 128, 0.5);
    }
    .btn-outline {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--border-soft);
      color: var(--text-main);
    }
    .btn-outline:hover {
      background: rgba(255, 255, 255, 0.12);
      border-color: rgba(255, 255, 255, 0.25);
    }
    .section-wrap {
      padding: 4.5rem 0;
      position: relative;
    }
    .section-alt {
      background: #0E111A;
      border-top: 1px solid rgba(255, 255, 255, 0.03);
      border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    }
    .sec-header {
      margin-bottom: 2.5rem;
    }
    .sec-header h2 {
      font-size: 2rem;
      font-weight: 800;
      letter-spacing: -0.02em;
      margin-bottom: 0.75rem;
    }
    .sec-header p {
      color: var(--text-muted);
      font-size: 1rem;
      max-width: 820px;
    }
    .nav-bar {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(11, 13, 20, 0.88);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-soft);
    }
    .nav-content {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 70px;
    }
    .logo {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      font-size: 1.15rem;
      font-weight: 800;
      color: #fff;
    }
    .logo-icon {
      width: 36px;
      height: 36px;
      border-radius: 10px;
      background: var(--primary-grad);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      box-shadow: 0 0 15px rgba(255, 0, 128, 0.4);
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 1.5rem;
      list-style: none;
    }
    .nav-links a {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-muted);
      transition: color 0.2s;
    }
    .nav-links a:hover, .nav-links a.active {
      color: #fff;
    }

    /* Category Specific Styles */
    .filter-panel {
      background: var(--bg-card);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-lg);
      padding: 1.5rem;
      margin-top: 1.5rem;
      display: flex;
      flex-direction: column;
      gap: 1rem;
    }
    .filter-group {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 0.75rem;
    }
    .filter-label {
      font-size: 0.85rem;
      color: var(--text-dim);
      min-width: 80px;
      font-weight: 600;
    }
    .filter-tag {
      padding: 0.35rem 0.85rem;
      border-radius: 9999px;
      font-size: 0.82rem;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--border-soft);
      color: var(--text-muted);
      cursor: pointer;
      transition: all 0.2s;
    }
    .filter-tag:hover, .filter-tag.active {
      background: var(--primary-grad);
      color: #fff;
      border-color: transparent;
    }

    .billboard-grid {
      display: grid;
      grid-template-columns: 1.6fr 1fr;
      gap: 1.5rem;
      margin-top: 2rem;
    }
    .billboard-main {
      position: relative;
      border-radius: var(--radius-xl);
      overflow: hidden;
      border: 1px solid var(--border-soft);
      min-height: 420px;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      padding: 2.5rem;
      background-size: cover;
      background-position: center;
    }
    .billboard-main::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(11, 13, 20, 0.95) 10%, rgba(11, 13, 20, 0.2) 60%, rgba(11, 13, 20, 0.4) 100%);
    }
    .billboard-content {
      position: relative;
      z-index: 2;
    }
    .billboard-side {
      display: flex;
      flex-direction: column;
      gap: 1.5rem;
    }
    .side-item {
      background: var(--bg-card);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-lg);
      padding: 1.25rem;
      display: flex;
      gap: 1.25rem;
      transition: all 0.25s;
    }
    .side-item:hover {
      background: var(--bg-card-hover);
      border-color: var(--border-glow);
    }
    .side-item img {
      width: 140px;
      height: 95px;
      object-fit: cover;
      border-radius: 12px;
    }

    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.5rem;
    }
    .card-mv {
      background: var(--bg-card);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-lg);
      overflow: hidden;
      transition: all 0.25s ease;
      display: flex;
      flex-direction: column;
    }
    .card-mv:hover {
      background: var(--bg-card-hover);
      border-color: var(--border-glow);
      transform: translateY(-4px);
    }
    .card-mv-thumb {
      position: relative;
      aspect-ratio: 16 / 9;
      overflow: hidden;
    }
    .card-mv-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .card-mv:hover .card-mv-thumb img {
      transform: scale(1.05);
    }
    .card-mv-body {
      padding: 1.5rem;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .card-mv-title {
      font-size: 1.15rem;
      font-weight: 700;
      margin: 0.6rem 0;
      line-height: 1.4;
    }
    .card-mv-meta {
      display: flex;
      align-items: center;
      gap: 1rem;
      color: var(--text-dim);
      font-size: 0.8rem;
      margin-top: 0.75rem;
    }

    /* Comparison Table */
    .table-responsive {
      overflow-x: auto;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-soft);
      background: var(--bg-card);
    }
    .table-wiki {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.9rem;
    }
    .table-wiki th, .table-wiki td {
      padding: 1rem 1.25rem;
      border-bottom: 1px solid var(--border-soft);
    }
    .table-wiki th {
      background: rgba(255, 255, 255, 0.03);
      color: var(--text-muted);
      font-weight: 600;
    }
    .table-wiki tr:last-child td { border-bottom: none; }
    .table-wiki tr:hover td { background: rgba(255, 255, 255, 0.02); }

    /* FAQ */
    .faq-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 1.5rem;
    }
    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-lg);
      padding: 1.75rem;
    }
    .faq-item h3 {
      font-size: 1.1rem;
      margin-bottom: 0.75rem;
      display: flex;
      align-items: flex-start;
      gap: 0.6rem;
      color: #fff;
    }
    .faq-item p {
      color: var(--text-muted);
      font-size: 0.9rem;
      line-height: 1.7;
    }

    /* Footer */
    footer {
      background: #06080D;
      border-top: 1px solid var(--border-soft);
      padding: 4.5rem 0 2rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 3rem;
      margin-bottom: 3.5rem;
    }
    .footer-col h4 {
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 1.25rem;
      color: #fff;
    }
    .footer-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 0.65rem;
    }
    .footer-col a {
      color: var(--text-muted);
      font-size: 0.88rem;
      transition: color 0.2s;
    }
    .footer-col a:hover {
      color: #fff;
    }
    .footer-bottom {
      border-top: 1px solid var(--border-soft);
      padding-top: 2rem;
      text-align: center;
      color: var(--text-dim);
      font-size: 0.82rem;
    }

    @media (max-width: 1024px) {
      .billboard-grid { grid-template-columns: 1fr; }
      .matrix-grid { grid-template-columns: repeat(2, 1fr); }
      .faq-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
      .nav-links { display: none; }
      .matrix-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
      .side-item { flex-direction: column; }
      .side-item img { width: 100%; height: 160px; }
    }