/* roulang page: index */
:root {
      --bg-primary: #0F1015;
      --bg-secondary: #181A20;
      --bg-tertiary: #21242C;
      --accent-amber: #F59E0B;
      --accent-yellow: #FACC15;
      --accent-emerald: #10B981;
      --accent-cyan: #06B6D4;
      --accent-rose: #F43F5E;
      --text-white: #F8FAFC;
      --text-muted: #CBD5E1;
      --text-subtle: #64748B;
      --border-dark: #2A2E39;
      --border-pixel: 1px solid #2A2E39;
      --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;
      --shadow-amber: 0 4px 0 #D97706;
      --shadow-pixel: 3px 3px 0px rgba(0, 0, 0, 0.6);
    }

    /* Reset & Base */
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      background-color: var(--bg-primary);
      color: var(--text-muted);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      line-height: 1.6;
      overflow-x: hidden;
      position: relative;
    }
    body::before {
      content: "";
      position: fixed;
      top: 0; left: 0; width: 100%; height: 100%;
      background: radial-gradient(rgba(245, 158, 11, 0.03) 1px, transparent 0);
      background-size: 24px 24px;
      pointer-events: none;
      z-index: 999;
    }

    a {
      color: var(--accent-yellow);
      text-decoration: none;
      transition: color 0.15s ease, transform 0.15s ease;
    }
    a:hover {
      color: #fff;
    }
    h1, h2, h3, h4, h5, h6 {
      color: var(--text-white);
      font-weight: 800;
      letter-spacing: -0.5px;
    }
    .mono-text {
      font-family: var(--font-mono);
    }

    /* Pixel / Neo-Brutalist Common Elements */
    .pixel-box {
      background: var(--bg-secondary);
      border: 1px solid var(--border-dark);
      position: relative;
      transition: transform 0.15s ease, border-color 0.15s ease;
    }
    .pixel-box:hover {
      border-color: var(--accent-amber);
    }
    .badge-pixel {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 10px;
      font-size: 0.78rem;
      font-weight: 700;
      text-transform: uppercase;
      font-family: var(--font-mono);
      background: var(--bg-tertiary);
      border: 1px solid var(--border-dark);
      color: var(--accent-yellow);
    }
    .badge-emerald {
      color: var(--accent-emerald);
      border-color: rgba(16, 185, 129, 0.3);
      background: rgba(16, 185, 129, 0.08);
    }
    .badge-rose {
      color: var(--accent-rose);
      border-color: rgba(244, 63, 94, 0.3);
      background: rgba(244, 63, 94, 0.08);
    }

    /* Buttons */
    .btn-pixel {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 24px;
      min-height: 46px;
      font-weight: 800;
      font-size: 0.95rem;
      border: 1px solid #000;
      background: var(--accent-amber);
      color: #0F1015;
      box-shadow: 3px 3px 0 #000;
      cursor: pointer;
      text-transform: uppercase;
      transition: all 0.1s ease;
    }
    .btn-pixel:hover {
      background: var(--accent-yellow);
      color: #000;
      transform: translate(-1px, -1px);
      box-shadow: 4px 4px 0 #000;
    }
    .btn-pixel:active {
      transform: translate(2px, 2px);
      box-shadow: 1px 1px 0 #000;
    }
    .btn-pixel-secondary {
      background: var(--bg-tertiary);
      color: var(--text-white);
      border-color: var(--border-dark);
      box-shadow: 3px 3px 0 rgba(0,0,0,0.5);
    }
    .btn-pixel-secondary:hover {
      background: #2D323E;
      color: var(--accent-amber);
      border-color: var(--accent-amber);
    }

    /* Sticky Navigation */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(15, 16, 21, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-dark);
    }
    .nav-container {
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 16px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 70px;
    }
    .brand-logo {
      font-size: 1.25rem;
      font-weight: 900;
      color: var(--text-white);
      display: flex;
      align-items: center;
      gap: 10px;
      letter-spacing: -0.5px;
    }
    .brand-logo .pixel-icon {
      width: 32px;
      height: 32px;
      background: var(--accent-amber);
      color: #0F1015;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
      box-shadow: 2px 2px 0 #fff;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 24px;
      list-style: none;
      margin: 0;
    }
    .nav-links a {
      font-size: 0.92rem;
      font-weight: 700;
      color: var(--text-muted);
      position: relative;
      padding: 6px 0;
    }
    .nav-links a.active, .nav-links a:hover {
      color: var(--accent-amber);
    }
    .nav-links a.active::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--accent-amber);
    }
    .nav-locator {
      display: flex;
      align-items: center;
      gap: 8px;
      background: var(--bg-tertiary);
      border: 1px solid var(--border-dark);
      padding: 8px 14px;
      font-size: 0.82rem;
      font-family: var(--font-mono);
      color: var(--accent-cyan);
    }
    .locator-dot {
      width: 8px;
      height: 8px;
      background: var(--accent-emerald);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--accent-emerald);
      animation: pulse 1.5s infinite;
    }
    @keyframes pulse {
      0% { transform: scale(0.9); opacity: 0.7; }
      50% { transform: scale(1.2); opacity: 1; }
      100% { transform: scale(0.9); opacity: 0.7; }
    }

    /* Section Global */
    .section-pad {
      padding: 72px 0;
      border-bottom: 1px solid var(--border-dark);
    }
    .section-header {
      margin-bottom: 40px;
    }
    .section-title {
      font-size: 2rem;
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .section-title::before {
      content: "//";
      color: var(--accent-amber);
      font-family: var(--font-mono);
      font-weight: 900;
    }
    .section-desc {
      color: var(--text-muted);
      max-width: 820px;
      font-size: 1rem;
      line-height: 1.7;
    }

    /* 1. HERO - Stacking Cards Blueprint */
    .hero-section {
      padding: 70px 0 90px;
      background: linear-gradient(180deg, rgba(24, 26, 32, 0.7) 0%, rgba(15, 16, 21, 1) 100%);
      border-bottom: 1px solid var(--border-dark);
      position: relative;
    }
    .hero-h1 {
      font-size: 2.8rem;
      line-height: 1.18;
      margin-bottom: 20px;
      color: #fff;
    }
    .hero-h1 span {
      color: var(--accent-amber);
      text-decoration: underline;
      text-underline-offset: 6px;
    }
    .hero-summary {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 30px;
    }
    /* Stacking Cards */
    .stack-cards-wrapper {
      position: relative;
      min-height: 380px;
      margin-top: 20px;
    }
    .stack-card {
      position: absolute;
      width: 88%;
      padding: 24px;
      border: 1px solid var(--border-dark);
      background: var(--bg-secondary);
      box-shadow: 6px 6px 0px rgba(0, 0, 0, 0.7);
    }
    .stack-card-back {
      top: 0;
      right: 0;
      background: #14171E;
      border-color: #2D323F;
      transform: rotate(2.5deg);
      z-index: 1;
    }
    .stack-card-mid {
      top: 25px;
      right: 25px;
      background: #1A1D24;
      border-color: #383F4F;
      transform: rotate(-1.5deg);
      z-index: 2;
    }
    .stack-card-front {
      top: 50px;
      left: 0;
      background: #1F232D;
      border: 1px solid var(--accent-amber);
      z-index: 3;
    }
    .hud-header {
      display: flex;
      justify-content: space-between;
      border-bottom: 1px dashed var(--border-dark);
      padding-bottom: 10px;
      margin-bottom: 14px;
      font-size: 0.8rem;
      font-family: var(--font-mono);
    }

    /* 2. 安全主张 */
    .claim-item {
      padding: 28px;
      height: 100%;
      border-left: 3px solid var(--accent-amber);
    }

    /* 3. 服务矩阵 - 全区高清规格矩阵 */
    .grid-matrix-card {
      padding: 26px;
      height: 100%;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .matrix-code {
      font-size: 2.2rem;
      font-weight: 900;
      color: rgba(255, 255, 255, 0.12);
      position: absolute;
      top: 16px;
      right: 20px;
      font-family: var(--font-mono);
    }

    /* 4. 优势数据 */
    .stat-box {
      padding: 28px 20px;
      text-align: center;
      background: var(--bg-secondary);
      border: 1px solid var(--border-dark);
    }
    .stat-num {
      font-size: 2.7rem;
      font-weight: 900;
      color: var(--accent-yellow);
      line-height: 1;
      margin-bottom: 8px;
      font-family: var(--font-mono);
    }

    /* 5. 方案流程 */
    .flow-step-box {
      padding: 22px;
      position: relative;
      height: 100%;
    }
    .flow-step-badge {
      width: 32px;
      height: 32px;
      background: var(--accent-amber);
      color: #000;
      font-weight: 900;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 14px;
      font-family: var(--font-mono);
    }

    /* 6. 特色专区 (一区极清) & 7. (二区三区多端) */
    .split-feature-box {
      background: var(--bg-secondary);
      border: 1px solid var(--border-dark);
      padding: 36px;
    }
    .hud-display {
      background: #0B0C10;
      border: 1px solid #232731;
      padding: 24px;
      font-family: var(--font-mono);
      font-size: 0.85rem;
      color: var(--accent-cyan);
    }

    /* 8. 案例墙 */
    .case-card {
      padding: 24px;
      height: 100%;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    /* 9. 技术架构 */
    .terminal-window {
      background: #0A0C10;
      border: 1px solid #323846;
      border-radius: 4px;
      box-shadow: 4px 4px 0 rgba(0,0,0,0.8);
    }
    .terminal-bar {
      background: #171A21;
      padding: 8px 14px;
      border-bottom: 1px solid #323846;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-family: var(--font-mono);
      font-size: 0.8rem;
    }
    .terminal-body {
      padding: 24px;
      font-family: var(--font-mono);
      font-size: 0.88rem;
      color: #94A3B8;
    }

    /* 10. 资讯列表 */
    .news-item {
      padding: 20px;
      border-bottom: 1px dashed var(--border-dark);
      display: flex;
      align-items: center;
      justify-content: space-between;
      transition: background 0.15s ease;
    }
    .news-item:hover {
      background: rgba(245, 158, 11, 0.04);
    }

    /* 11. 合作伙伴生态墙 */
    .partner-tile {
      padding: 24px;
      text-align: center;
      border: 1px solid var(--border-dark);
      background: var(--bg-secondary);
      font-family: var(--font-mono);
      font-weight: 700;
      color: var(--text-white);
    }
    .partner-tile:hover {
      border-color: var(--accent-cyan);
    }

    /* 12. FAQ */
    .faq-card {
      padding: 22px;
      margin-bottom: 18px;
      background: var(--bg-secondary);
      border: 1px solid var(--border-dark);
    }
    .faq-q {
      font-weight: 700;
      font-size: 1.05rem;
      color: var(--text-white);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .faq-q::before {
      content: "Q";
      color: var(--accent-amber);
      font-family: var(--font-mono);
      font-weight: 900;
    }

    /* 13. 保障条 */
    .guarantee-bar {
      background: var(--bg-tertiary);
      border-top: 1px solid var(--border-dark);
      border-bottom: 1px solid var(--border-dark);
      padding: 28px 0;
    }
    .guarantee-col {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .guarantee-icon {
      font-size: 1.8rem;
      color: var(--accent-yellow);
    }

    /* 14. CTA行动收口 */
    .cta-banner {
      background: linear-gradient(135deg, #1C1E26 0%, #12141A 100%);
      border: 1px solid var(--accent-amber);
      padding: 50px 36px;
      position: relative;
      box-shadow: 6px 6px 0 rgba(0,0,0,0.8);
    }

    /* Footer */
    .site-footer {
      background: #090A0D;
      border-top: 1px solid var(--border-dark);
      padding: 60px 0 30px;
      font-size: 0.9rem;
    }
    .footer-title {
      font-size: 1rem;
      font-weight: 800;
      color: var(--text-white);
      margin-bottom: 16px;
      font-family: var(--font-mono);
    }
    .footer-links {
      list-style: none;
      margin: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      color: var(--text-subtle);
    }
    .footer-links a:hover {
      color: var(--accent-amber);
    }
    .footer-bottom {
      margin-top: 40px;
      padding-top: 24px;
      border-top: 1px solid #1A1D24;
      display: flex;
      align-items: center;
      justify-content: space-between;
      color: var(--text-subtle);
      font-size: 0.8rem;
    }

    /* Responsive Overrides */
    @media (max-width: 1024px) {
      .hero-h1 { font-size: 2.2rem; }
      .stack-cards-wrapper { min-height: 420px; }
    }
    @media (max-width: 768px) {
      .hero-h1 { font-size: 1.8rem; }
      .stack-cards-wrapper { position: static; min-height: auto; margin-top: 30px; }
      .stack-card { position: static; width: 100%; transform: none !important; margin-bottom: 15px; }
      .nav-locator { display: none; }
      .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
      .news-item { flex-direction: column; align-items: flex-start; gap: 10px; }
    }

/* roulang page: category2 */
:root {
            --bg-primary: #0F1015;
            --bg-secondary: #181A20;
            --bg-tertiary: #21242C;
            --accent-amber: #F59E0B;
            --accent-yellow: #FACC15;
            --accent-emerald: #10B981;
            --accent-cyan: #06B6D4;
            --accent-rose: #F43F5E;
            --text-white: #F8FAFC;
            --text-muted: #CBD5E1;
            --text-subtle: #64748B;
            --border-dark: #2A2E39;
            --border-pixel: 1px solid #2A2E39;
            --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;
            --shadow-amber: 0 4px 0 #D97706;
            --shadow-pixel: 3px 3px 0px rgba(0, 0, 0, 0.6);
        }

        body {
            background-color: var(--bg-primary);
            color: var(--text-muted);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            line-height: 1.6;
            overflow-x: hidden;
            position: relative;
        }

        body::before {
            content: "";
            position: fixed;
            top: 0; left: 0; width: 100%; height: 100%;
            background: radial-gradient(rgba(245, 158, 11, 0.03) 1px, transparent 0);
            background-size: 24px 24px;
            pointer-events: none;
            z-index: 999;
        }

        a {
            color: var(--accent-yellow);
            text-decoration: none;
            transition: color 0.15s ease, transform 0.15s ease;
        }

        a:hover {
            color: #fff;
        }

        .mono-text {
            font-family: var(--font-mono);
        }

        /* 顶部导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(15, 16, 21, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-dark);
        }

        .nav-container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }

        .brand-logo {
            font-size: 1.25rem;
            font-weight: 900;
            color: var(--text-white);
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: -0.5px;
        }

        .brand-logo .pixel-icon {
            width: 32px;
            height: 32px;
            background: var(--accent-amber);
            color: #0F1015;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            box-shadow: 2px 2px 0 #fff;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 24px;
            list-style: none;
            margin: 0;
        }

        .nav-links a {
            font-size: 0.92rem;
            font-weight: 700;
            color: var(--text-muted);
            position: relative;
            padding: 6px 0;
        }

        .nav-links a.active, .nav-links a:hover {
            color: var(--accent-amber);
        }

        .nav-links a.active::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-amber);
        }

        .nav-locator {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-tertiary);
            border: 1px solid var(--border-dark);
            padding: 8px 14px;
            font-size: 0.82rem;
            font-family: var(--font-mono);
            color: var(--accent-cyan);
        }

        .locator-dot {
            width: 8px;
            height: 8px;
            background-color: var(--accent-emerald);
            box-shadow: 0 0 6px var(--accent-emerald);
            display: inline-block;
        }

        /* 统一通用组件 */
        .section-pad {
            padding: 64px 0;
            border-bottom: 1px solid var(--border-dark);
        }

        .section-header {
            margin-bottom: 36px;
        }

        .section-title {
            font-size: 1.85rem;
            color: var(--text-white);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 800;
        }

        .section-title::before {
            content: "//";
            color: var(--accent-amber);
            font-family: var(--font-mono);
            font-weight: 900;
        }

        .section-desc {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            max-width: 860px;
            margin: 0;
        }

        .btn-pixel {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            min-height: 46px;
            font-weight: 800;
            font-size: 0.92rem;
            border: 1px solid #000;
            background: var(--accent-amber);
            color: #0F1015;
            box-shadow: 3px 3px 0 #000;
            cursor: pointer;
            text-transform: uppercase;
            transition: all 0.1s ease;
        }

        .btn-pixel:hover {
            background: var(--accent-yellow);
            color: #000;
            transform: translate(-1px, -1px);
            box-shadow: 4px 4px 0 #000;
        }

        .btn-pixel-secondary {
            background: var(--bg-tertiary);
            color: var(--text-white);
            border-color: var(--border-dark);
            box-shadow: 3px 3px 0 rgba(0,0,0,0.5);
        }

        .btn-pixel-secondary:hover {
            background: #2D323E;
            color: var(--accent-amber);
            border-color: var(--accent-amber);
        }

        .badge-pixel {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 10px;
            font-size: 0.78rem;
            font-weight: 700;
            text-transform: uppercase;
            font-family: var(--font-mono);
            background: var(--bg-tertiary);
            border: 1px solid var(--border-dark);
            color: var(--accent-yellow);
        }

        .badge-emerald {
            color: var(--accent-emerald);
            border-color: rgba(16, 185, 129, 0.3);
            background: rgba(16, 185, 129, 0.08);
        }

        .badge-cyan {
            color: var(--accent-cyan);
            border-color: rgba(6, 182, 212, 0.3);
            background: rgba(6, 182, 212, 0.08);
        }

        /* 1. 分类Header与环境侦测 */
        .cat-header-section {
            padding: 46px 0 42px;
            background: linear-gradient(180deg, #181A20 0%, #0F1015 100%);
            border-bottom: 1px solid var(--border-dark);
        }

        .cat-h1 {
            font-size: 2.15rem;
            font-weight: 900;
            color: var(--text-white);
            margin: 0 0 12px;
            letter-spacing: -0.5px;
        }

        .cat-h1 span {
            color: var(--accent-amber);
        }

        .env-detect-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-dark);
            padding: 16px 20px;
            box-shadow: var(--shadow-pixel);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }

        .env-indicator-group {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .env-chip {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-tertiary);
            padding: 6px 14px;
            border: 1px solid var(--border-dark);
            font-size: 0.82rem;
            font-family: var(--font-mono);
            color: var(--text-white);
        }

        .env-chip i {
            color: var(--accent-cyan);
        }

        /* 2. 终端类型矩阵导航条 */
        .term-nav-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .term-nav-btn {
            background: var(--bg-secondary);
            border: 1px solid var(--border-dark);
            padding: 18px 20px;
            display: flex;
            align-items: center;
            gap: 16px;
            transition: all 0.15s ease;
            box-shadow: var(--shadow-pixel);
            color: var(--text-white);
        }

        .term-nav-btn:hover, .term-nav-btn.active {
            border-color: var(--accent-amber);
            background: var(--bg-tertiary);
            transform: translateY(-2px);
        }

        .term-nav-icon {
            width: 44px;
            height: 44px;
            background: rgba(245, 158, 11, 0.1);
            border: 1px solid rgba(245, 158, 11, 0.3);
            color: var(--accent-amber);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            flex-shrink: 0;
        }

        .term-nav-text strong {
            display: block;
            font-size: 1rem;
            color: var(--text-white);
            margin-bottom: 2px;
        }

        .term-nav-text span {
            font-size: 0.76rem;
            color: var(--text-subtle);
            font-family: var(--font-mono);
        }

        /* 3. 方案与配置列表主体 */
        .config-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-dark);
            padding: 28px;
            box-shadow: var(--shadow-pixel);
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            position: relative;
        }

        .config-card:hover {
            border-color: rgba(245, 158, 11, 0.5);
        }

        .config-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 16px;
            gap: 12px;
        }

        .config-title {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text-white);
            margin: 0 0 6px;
        }

        .config-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 16px;
        }

        .param-table-mini {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.82rem;
            font-family: var(--font-mono);
            margin-bottom: 20px;
        }

        .param-table-mini tr {
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .param-table-mini td {
            padding: 8px 0;
            color: var(--text-muted);
        }

        .param-table-mini td:last-child {
            text-align: right;
            color: var(--text-white);
            font-weight: 600;
        }

        .config-desc {
            font-size: 0.88rem;
            color: var(--text-subtle);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        /* 4. 设备硬件解码兼容清单 */
        .hardware-matrix-box {
            background: var(--bg-secondary);
            border: 1px solid var(--border-dark);
            box-shadow: var(--shadow-pixel);
            overflow-x: auto;
        }

        .hardware-table {
            width: 100%;
            border-collapse: collapse;
            font-family: var(--font-mono);
            font-size: 0.86rem;
            text-align: left;
            min-width: 760px;
        }

        .hardware-table th {
            background: var(--bg-tertiary);
            color: var(--accent-yellow);
            padding: 14px 18px;
            border-bottom: 1px solid var(--border-dark);
            font-weight: 700;
        }

        .hardware-table td {
            padding: 14px 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            color: var(--text-muted);
        }

        .hardware-table tr:hover td {
            background: rgba(255, 255, 255, 0.02);
        }

        .light-status {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 700;
        }

        .light-status::before {
            content: "";
            width: 8px;
            height: 8px;
            border-radius: 50%;
        }

        .light-perf::before { background: var(--accent-emerald); box-shadow: 0 0 6px var(--accent-emerald); }
        .light-good::before { background: var(--accent-cyan); box-shadow: 0 0 6px var(--accent-cyan); }
        .light-warn::before { background: var(--accent-amber); box-shadow: 0 0 6px var(--accent-amber); }

        /* 5. 故障排查交互式清单 */
        .troubleshoot-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .trouble-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border-dark);
            padding: 22px;
            box-shadow: var(--shadow-pixel);
        }

        .trouble-item-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
            color: var(--text-white);
            font-weight: 800;
            font-size: 1.05rem;
        }

        .trouble-step-list {
            list-style: none;
            margin: 0;
            padding: 0;
            font-size: 0.86rem;
        }

        .trouble-step-list li {
            padding: 8px 0;
            border-bottom: 1px dashed var(--border-dark);
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .trouble-step-list li i {
            color: var(--accent-emerald);
            margin-top: 4px;
            font-size: 0.8rem;
        }

        /* 6. 终端优化专题资讯 */
        .article-feed-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border-dark);
            padding: 20px 24px;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            box-shadow: var(--shadow-pixel);
            transition: all 0.15s ease;
        }

        .article-feed-item:hover {
            border-color: var(--accent-amber);
            transform: translateX(4px);
        }

        .article-feed-main {
            max-width: 820px;
        }

        .article-feed-title {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 8px;
        }

        .article-feed-meta {
            font-size: 0.78rem;
            color: var(--text-subtle);
            font-family: var(--font-mono);
            display: flex;
            gap: 16px;
            margin-bottom: 6px;
        }

        .article-feed-summary {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin: 0;
        }

        /* 7. 专属客户端/通道接入辅助条 */
        .terminal-dock-bar {
            background: var(--bg-tertiary);
            border: 2px solid var(--accent-amber);
            padding: 32px 36px;
            box-shadow: 4px 4px 0 #000;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 24px;
        }

        .dock-info h3 {
            color: var(--text-white);
            font-size: 1.45rem;
            font-weight: 900;
            margin: 0 0 8px;
        }

        .dock-info p {
            color: var(--text-muted);
            font-size: 0.92rem;
            margin: 0;
            max-width: 640px;
        }

        .dock-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* 页脚统一样式 */
        .site-footer {
            background: #0B0C10;
            border-top: 2px solid var(--border-dark);
            padding: 60px 0 30px;
            margin-top: 40px;
        }

        .footer-brand {
            font-size: 1.35rem;
            font-weight: 900;
            color: var(--text-white);
            margin-bottom: 16px;
            display: inline-block;
        }

        .footer-heading {
            font-size: 0.9rem;
            font-weight: 800;
            color: var(--accent-amber);
            text-transform: uppercase;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

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

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: var(--text-muted);
            font-size: 0.85rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-links a:hover {
            color: var(--accent-amber);
            transform: translateX(3px);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-dark);
            padding-top: 24px;
            margin-top: 40px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.82rem;
            color: var(--text-subtle);
            flex-wrap: wrap;
            gap: 12px;
        }

        /* 响应式断点 */
        @media (max-width: 1024px) {
            .term-nav-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .troubleshoot-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-locator {
                display: none;
            }
            .term-nav-grid {
                grid-template-columns: 1fr;
            }
            .troubleshoot-grid {
                grid-template-columns: 1fr;
            }
            .terminal-dock-bar {
                padding: 24px;
            }
            .cat-h1 {
                font-size: 1.65rem;
            }
            .article-feed-item {
                flex-direction: column;
                align-items: flex-start;
            }
        }

/* roulang page: category1 */
:root {
      --bg-primary: #0F1015;
      --bg-secondary: #181A20;
      --bg-tertiary: #21242C;
      --accent-amber: #F59E0B;
      --accent-yellow: #FACC15;
      --accent-emerald: #10B981;
      --accent-cyan: #06B6D4;
      --accent-rose: #F43F5E;
      --text-white: #F8FAFC;
      --text-muted: #CBD5E1;
      --text-subtle: #64748B;
      --border-dark: #2A2E39;
      --border-pixel: 1px solid #2A2E39;
      --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;
      --shadow-amber: 0 4px 0 #D97706;
      --shadow-pixel: 3px 3px 0px rgba(0, 0, 0, 0.6);
    }
    * {
      box-sizing: border-box;
    }
    body {
      background-color: var(--bg-primary);
      color: var(--text-muted);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      line-height: 1.6;
      overflow-x: hidden;
      margin: 0;
      padding: 0;
      position: relative;
    }
    body::before {
      content: "";
      position: fixed;
      top: 0; left: 0; width: 100%; height: 100%;
      background: radial-gradient(rgba(245, 158, 11, 0.03) 1px, transparent 0);
      background-size: 24px 24px;
      pointer-events: none;
      z-index: 999;
    }
    a {
      color: var(--accent-yellow);
      text-decoration: none;
      transition: color 0.15s ease, transform 0.15s ease;
    }
    a:hover {
      color: #fff;
    }
    .mono-text {
      font-family: var(--font-mono);
    }
    .pixel-box {
      background: var(--bg-secondary);
      border: 1px solid var(--border-dark);
      position: relative;
      transition: transform 0.15s ease, border-color 0.15s ease;
    }
    .badge-pixel {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 10px;
      font-size: 0.78rem;
      font-weight: 700;
      text-transform: uppercase;
      font-family: var(--font-mono);
      background: var(--bg-tertiary);
      border: 1px solid var(--border-dark);
      color: var(--accent-yellow);
    }
    .badge-emerald {
      color: var(--accent-emerald);
      border-color: rgba(16, 185, 129, 0.3);
      background: rgba(16, 185, 129, 0.08);
    }
    .badge-rose {
      color: var(--accent-rose);
      border-color: rgba(244, 63, 94, 0.3);
      background: rgba(244, 63, 94, 0.08);
    }
    .badge-cyan {
      color: var(--accent-cyan);
      border-color: rgba(6, 182, 212, 0.3);
      background: rgba(6, 182, 212, 0.08);
    }
    .btn-pixel {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 10px 20px;
      min-height: 42px;
      font-weight: 800;
      font-size: 0.9rem;
      border: 1px solid #000;
      background: var(--accent-amber);
      color: #0F1015;
      box-shadow: 3px 3px 0 #000;
      cursor: pointer;
      text-transform: uppercase;
      transition: all 0.1s ease;
    }
    .btn-pixel:hover {
      background: var(--accent-yellow);
      color: #000;
      transform: translate(-1px, -1px);
      box-shadow: 4px 4px 0 #000;
    }
    .btn-pixel:active {
      transform: translate(2px, 2px);
      box-shadow: 1px 1px 0 #000;
    }
    .btn-pixel-secondary {
      background: var(--bg-tertiary);
      color: var(--text-white);
      border: 1px solid var(--border-dark);
      box-shadow: 3px 3px 0 rgba(0,0,0,0.5);
    }
    .btn-pixel-secondary:hover {
      background: #2D323E;
      color: var(--accent-amber);
      border-color: var(--accent-amber);
    }

    /* Sticky Navigation */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(15, 16, 21, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-dark);
    }
    .nav-container {
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 16px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 70px;
    }
    .brand-logo {
      font-size: 1.25rem;
      font-weight: 900;
      color: var(--text-white);
      display: flex;
      align-items: center;
      gap: 10px;
      letter-spacing: -0.5px;
    }
    .brand-logo .pixel-icon {
      width: 32px;
      height: 32px;
      background: var(--accent-amber);
      color: #0F1015;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
      box-shadow: 2px 2px 0 #fff;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 24px;
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .nav-links a {
      font-size: 0.92rem;
      font-weight: 700;
      color: var(--text-muted);
      position: relative;
      padding: 6px 0;
    }
    .nav-links a.active, .nav-links a:hover {
      color: var(--accent-amber);
    }
    .nav-links a.active::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--accent-amber);
    }
    .nav-locator {
      display: flex;
      align-items: center;
      gap: 8px;
      background: var(--bg-tertiary);
      border: 1px solid var(--border-dark);
      padding: 8px 14px;
      font-size: 0.82rem;
      font-family: var(--font-mono);
      color: var(--accent-cyan);
    }
    .locator-dot {
      width: 8px;
      height: 8px;
      background: var(--accent-emerald);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--accent-emerald);
      display: inline-block;
    }

    /* Section Utilities */
    .section-pad {
      padding: 56px 0;
      border-bottom: 1px solid var(--border-dark);
    }
    .section-header {
      margin-bottom: 32px;
    }
    .section-title {
      font-size: 1.8rem;
      margin-bottom: 10px;
      color: var(--text-white);
      display: flex;
      align-items: center;
      gap: 12px;
      font-weight: 800;
    }
    .section-title::before {
      content: "//";
      color: var(--accent-amber);
      font-family: var(--font-mono);
      font-weight: 900;
    }
    .section-desc {
      color: var(--text-muted);
      max-width: 840px;
      font-size: 0.96rem;
      line-height: 1.6;
    }

    /* 1. Category Compact Header */
    .cat-header-wrap {
      background: linear-gradient(180deg, #181A20 0%, #0F1015 100%);
      padding: 36px 0 28px;
      border-bottom: 1px solid var(--border-dark);
    }
    .cat-breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.85rem;
      font-family: var(--font-mono);
      margin-bottom: 16px;
      color: var(--text-subtle);
    }
    .cat-breadcrumb a {
      color: var(--text-muted);
    }
    .cat-breadcrumb a:hover {
      color: var(--accent-amber);
    }
    .cat-h1 {
      font-size: 2.1rem;
      font-weight: 900;
      color: var(--text-white);
      margin: 0 0 12px 0;
      line-height: 1.25;
      letter-spacing: -0.5px;
    }
    .cat-stats-panel {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
    }
    .cat-stat-chip {
      background: var(--bg-tertiary);
      border: 1px solid var(--border-dark);
      padding: 6px 12px;
      font-size: 0.82rem;
      color: var(--text-white);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-family: var(--font-mono);
    }
    .cat-stat-chip strong {
      color: var(--accent-yellow);
    }

    /* 2. Filter Bar */
    .filter-bar {
      background: var(--bg-secondary);
      border: 1px solid var(--border-dark);
      padding: 20px;
    }
    .filter-row {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      padding: 8px 0;
      border-bottom: 1px dashed rgba(255,255,255,0.06);
    }
    .filter-row:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }
    .filter-label {
      min-width: 90px;
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--text-subtle);
      font-family: var(--font-mono);
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .filter-pill {
      background: var(--bg-tertiary);
      color: var(--text-muted);
      border: 1px solid var(--border-dark);
      padding: 4px 12px;
      font-size: 0.82rem;
      cursor: pointer;
      transition: all 0.12s ease;
      font-family: var(--font-mono);
    }
    .filter-pill:hover, .filter-pill.active {
      background: var(--accent-amber);
      color: #0F1015;
      border-color: var(--accent-amber);
      font-weight: 700;
      box-shadow: 2px 2px 0 rgba(0,0,0,0.8);
    }

    /* 3. Resource Grid Cards */
    .resource-card {
      background: var(--bg-secondary);
      border: 1px solid var(--border-dark);
      margin-bottom: 24px;
      position: relative;
      display: flex;
      flex-direction: column;
      height: calc(100% - 24px);
      transition: transform 0.15s ease, border-color 0.15s ease;
    }
    .resource-card:hover {
      border-color: var(--accent-amber);
      transform: translateY(-2px);
    }
    .card-thumb-wrap {
      position: relative;
      width: 100%;
      padding-top: 56.25%; /* 16:9 */
      background: #090a0d;
      border-bottom: 1px solid var(--border-dark);
      overflow: hidden;
    }
    .card-thumb-content {
      position: absolute;
      top: 0; left: 0; width: 100%; height: 100%;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      padding: 12px;
      background: linear-gradient(180deg, rgba(15,16,21,0.2) 0%, rgba(15,16,21,0.85) 100%);
    }
    .thumb-tag-group {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
    }
    .zone-tag {
      font-size: 0.72rem;
      font-weight: 800;
      font-family: var(--font-mono);
      padding: 3px 8px;
      border: 1px solid #000;
      box-shadow: 2px 2px 0 #000;
    }
    .tag-zone1 { background: var(--accent-amber); color: #000; }
    .tag-zone2 { background: var(--accent-cyan); color: #000; }
    .tag-zone3 { background: var(--accent-emerald); color: #000; }

    .stream-spec-badge {
      font-family: var(--font-mono);
      font-size: 0.72rem;
      background: rgba(0,0,0,0.75);
      border: 1px solid var(--border-dark);
      color: #fff;
      padding: 2px 6px;
    }
    .thumb-meta-bot {
      display: flex;
      justify-content: space-between;
      align-items: flex-end;
    }
    .thumb-bitrate {
      font-family: var(--font-mono);
      font-size: 0.76rem;
      color: var(--accent-yellow);
      display: flex;
      align-items: center;
      gap: 4px;
    }
    .card-body {
      padding: 16px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .card-item-title {
      font-size: 1.05rem;
      font-weight: 800;
      color: var(--text-white);
      margin-bottom: 8px;
      line-height: 1.4;
    }
    .card-desc {
      font-size: 0.84rem;
      color: var(--text-muted);
      line-height: 1.55;
      margin-bottom: 14px;
      flex-grow: 1;
    }
    .card-meta-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 8px;
      padding: 10px 0;
      margin-bottom: 14px;
      border-top: 1px dashed var(--border-dark);
      border-bottom: 1px dashed var(--border-dark);
      font-size: 0.78rem;
      font-family: var(--font-mono);
      color: var(--text-subtle);
    }
    .card-meta-list div span {
      color: var(--text-white);
    }
    .card-action-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 8px;
    }

    /* Pixel Pagination */
    .pixel-pagination {
      display: flex;
      justify-content: center;
      gap: 8px;
      margin-top: 36px;
      list-style: none;
      padding: 0;
    }
    .pixel-pagination a, .pixel-pagination span {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 38px;
      height: 38px;
      padding: 0 10px;
      background: var(--bg-secondary);
      border: 1px solid var(--border-dark);
      color: var(--text-muted);
      font-family: var(--font-mono);
      font-size: 0.86rem;
      font-weight: 700;
      box-shadow: 2px 2px 0 rgba(0,0,0,0.5);
    }
    .pixel-pagination .active {
      background: var(--accent-amber);
      color: #0F1015;
      border-color: #000;
      box-shadow: 3px 3px 0 #000;
    }

    /* 4. Comparison Table */
    .table-container {
      background: var(--bg-secondary);
      border: 1px solid var(--border-dark);
      overflow-x: auto;
    }
    .pixel-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      margin: 0;
      font-size: 0.88rem;
    }
    .pixel-table th, .pixel-table td {
      padding: 14px 18px;
      border-bottom: 1px solid var(--border-dark);
      border-right: 1px solid rgba(255,255,255,0.04);
    }
    .pixel-table th {
      background: var(--bg-tertiary);
      color: var(--text-white);
      font-family: var(--font-mono);
      font-weight: 800;
      letter-spacing: 0.5px;
      border-bottom: 2px solid var(--border-dark);
    }
    .pixel-table tr:hover td {
      background: rgba(245, 158, 11, 0.04);
    }

    /* 5. Rank List */
    .rank-board {
      background: var(--bg-secondary);
      border: 1px solid var(--border-dark);
    }
    .rank-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-dark);
      transition: background 0.15s ease;
    }
    .rank-row:last-child {
      border-bottom: none;
    }
    .rank-row:hover {
      background: var(--bg-tertiary);
    }
    .rank-left {
      display: flex;
      align-items: center;
      gap: 16px;
      flex-grow: 1;
    }
    .rank-num {
      width: 32px;
      height: 32px;
      background: var(--bg-tertiary);
      border: 1px solid var(--border-dark);
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: var(--font-mono);
      font-weight: 900;
      color: var(--text-white);
      font-size: 0.95rem;
    }
    .rank-num.top-1 { background: var(--accent-amber); color: #000; border-color: #000; box-shadow: 2px 2px 0 #000; }
    .rank-num.top-2 { background: var(--accent-yellow); color: #000; border-color: #000; box-shadow: 2px 2px 0 #000; }
    .rank-num.top-3 { background: var(--accent-cyan); color: #000; border-color: #000; box-shadow: 2px 2px 0 #000; }
    .rank-info {
      display: flex;
      flex-direction: column;
    }
    .rank-name {
      font-size: 0.95rem;
      font-weight: 800;
      color: var(--text-white);
      margin-bottom: 4px;
    }
    .rank-stats {
      font-size: 0.78rem;
      font-family: var(--font-mono);
      color: var(--text-subtle);
      display: flex;
      gap: 14px;
    }
    .rank-stats span {
      color: var(--accent-emerald);
    }
    .rank-action {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    /* 6. FAQ Accordion */
    .faq-block {
      background: var(--bg-secondary);
      border: 1px solid var(--border-dark);
      margin-bottom: 14px;
    }
    .faq-trigger {
      padding: 18px 22px;
      font-size: 1rem;
      font-weight: 800;
      color: var(--text-white);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      user-select: none;
    }
    .faq-trigger:hover {
      color: var(--accent-amber);
    }
    .faq-body {
      padding: 0 22px 20px;
      font-size: 0.92rem;
      line-height: 1.7;
      color: var(--text-muted);
      border-top: 1px dashed var(--border-dark);
      padding-top: 16px;
    }

    /* 7. Action CTA Banner */
    .conversion-banner {
      background: linear-gradient(135deg, #181A20 0%, #21242C 100%);
      border: 2px solid var(--accent-amber);
      padding: 40px;
      box-shadow: 6px 6px 0 #000;
      position: relative;
    }
    .conversion-banner::before {
      content: "STREAM_READY";
      position: absolute;
      top: -12px;
      right: 24px;
      background: var(--accent-amber);
      color: #000;
      font-family: var(--font-mono);
      font-size: 0.72rem;
      font-weight: 900;
      padding: 2px 8px;
    }

    /* Footer CSS */
    .site-footer {
      background: #0B0C10;
      border-top: 1px solid var(--border-dark);
      padding: 56px 0 24px;
    }
    .footer-brand {
      font-size: 1.3rem;
      font-weight: 900;
      color: var(--text-white);
      display: inline-block;
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }
    .footer-heading {
      font-size: 0.92rem;
      font-weight: 800;
      color: var(--text-white);
      margin-bottom: 16px;
      text-transform: uppercase;
      font-family: var(--font-mono);
      border-left: 3px solid var(--accent-amber);
      padding-left: 8px;
    }
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
      font-size: 0.86rem;
    }
    .footer-links a {
      color: var(--text-subtle);
    }
    .footer-links a:hover {
      color: var(--accent-amber);
      padding-left: 4px;
    }
    .footer-bottom {
      margin-top: 40px;
      padding-top: 24px;
      border-top: 1px solid var(--border-dark);
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 0.82rem;
      color: var(--text-subtle);
    }

    /* Responsive */
    @media (max-width: 768px) {
      .cat-h1 {
        font-size: 1.6rem;
      }
      .filter-label {
        width: 100%;
      }
      .rank-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
      }
      .rank-action {
        width: 100%;
        justify-content: flex-end;
      }
      .conversion-banner {
        padding: 24px;
      }
      .nav-links {
        gap: 14px;
      }
      .nav-locator {
        display: none;
      }
    }