/* roulang page: index */
:root {
      --bg-main: #0D0F12;
      --bg-surface: #151921;
      --bg-card: #191E26;
      --bg-card-hover: #202632;
      --primary-gold: #E5A93C;
      --primary-gold-hover: #FFBE42;
      --primary-gold-glow: rgba(229, 169, 60, 0.28);
      --accent-cyan: #2AD2C9;
      --accent-cyan-glow: rgba(42, 210, 201, 0.25);
      --text-white: #F3F5F7;
      --text-silver: #9BA3AF;
      --text-muted: #5D6675;
      --border-panel: rgba(229, 169, 60, 0.16);
      --border-subtle: rgba(255, 255, 255, 0.08);
      --radius-lg: 16px;
      --radius-md: 10px;
      --radius-sm: 6px;
      --radius-pill: 9999px;
      --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.6);
      --shadow-hover: 0 20px 40px -10px rgba(229, 169, 60, 0.2);
      --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }

    /* Reset & Global */
    *, *::before, *::after {
      box-sizing: border-box;
    }
    body {
      margin: 0;
      padding: 0;
      background-color: var(--bg-main);
      color: var(--text-white);
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
      line-height: 1.8;
      overflow-x: hidden;
      background-image: 
        radial-gradient(circle at 15% 15%, rgba(229, 169, 60, 0.04) 0%, transparent 40%),
        radial-gradient(circle at 85% 85%, rgba(42, 210, 201, 0.03) 0%, transparent 45%),
        linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
      background-size: 100% 100%, 100% 100%, 48px 48px, 48px 48px;
    }

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

    h1, h2, h3, h4, h5, h6 {
      color: var(--text-white);
      font-weight: 700;
      letter-spacing: -0.01em;
      margin-bottom: 0.75rem;
    }

    p {
      color: var(--text-silver);
      font-size: 0.98rem;
      line-height: 1.8;
    }

    /* Section Spacing & Layout */
    .site-section {
      padding: 90px 0;
      position: relative;
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    }
    .section-header {
      margin-bottom: 50px;
      position: relative;
    }
    .section-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--primary-gold);
      font-size: 0.85rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      margin-bottom: 12px;
      background: rgba(229, 169, 60, 0.1);
      padding: 4px 14px;
      border-radius: var(--radius-pill);
      border: 1px solid rgba(229, 169, 60, 0.25);
    }
    .section-title {
      font-size: 2.2rem;
      line-height: 1.35;
      color: var(--text-white);
    }
    .section-desc {
      max-width: 680px;
      font-size: 1.05rem;
      color: var(--text-silver);
      margin-top: 14px;
    }

    /* Floating Dock Navigation */
    .dock-nav-wrapper {
      position: fixed;
      top: 20px;
      left: 0;
      right: 0;
      z-index: 999;
      display: flex;
      justify-content: center;
      padding: 0 16px;
      pointer-events: none;
    }
    .dock-nav {
      pointer-events: auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
      max-width: 1120px;
      height: 64px;
      padding: 0 24px;
      background: rgba(21, 25, 33, 0.82);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border: 1px solid var(--border-panel);
      border-radius: var(--radius-pill);
      box-shadow: 0 16px 36px rgba(0, 0, 0, 0.65), 0 0 18px rgba(229, 169, 60, 0.12);
      transition: var(--transition-smooth);
    }
    .dock-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      font-size: 1.15rem;
      color: var(--text-white);
      letter-spacing: 0.02em;
    }
    .dock-logo-mark {
      width: 34px;
      height: 34px;
      background: linear-gradient(135deg, var(--primary-gold), #B37D1A);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #0D0F12;
      font-weight: 900;
      font-size: 0.95rem;
      box-shadow: 0 0 12px var(--primary-gold-glow);
    }
    .dock-menu {
      display: flex;
      align-items: center;
      gap: 24px;
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .dock-menu a {
      font-size: 0.92rem;
      font-weight: 500;
      color: var(--text-silver);
      padding: 6px 14px;
      border-radius: var(--radius-pill);
      transition: var(--transition-smooth);
    }
    .dock-menu a:hover,
    .dock-menu a.active {
      color: var(--text-white);
      background: rgba(255, 255, 255, 0.08);
    }
    .dock-menu a.active {
      color: var(--primary-gold);
      border: 1px solid rgba(229, 169, 60, 0.3);
    }
    .dock-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .dock-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 8px 20px;
      background: linear-gradient(135deg, var(--primary-gold), #CA8E26);
      color: #0D0F12;
      font-size: 0.88rem;
      font-weight: 700;
      border-radius: var(--radius-pill);
      box-shadow: 0 4px 14px var(--primary-gold-glow);
      border: none;
      cursor: pointer;
      transition: var(--transition-smooth);
    }
    .dock-btn:hover {
      background: linear-gradient(135deg, var(--primary-gold-hover), #E5A93C);
      color: #0D0F12;
      box-shadow: 0 6px 20px rgba(229, 169, 60, 0.45);
      transform: translateY(-1px);
    }

    /* Buttons & Badges */
    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: linear-gradient(135deg, var(--primary-gold), #B8801C);
      color: #0D0F12;
      font-weight: 700;
      font-size: 0.98rem;
      padding: 13px 30px;
      border-radius: var(--radius-pill);
      border: none;
      box-shadow: 0 8px 24px var(--primary-gold-glow);
      cursor: pointer;
      transition: var(--transition-smooth);
    }
    .btn-primary:hover {
      background: linear-gradient(135deg, var(--primary-gold-hover), #DDA032);
      color: #0D0F12;
      transform: translateY(-2px);
      box-shadow: 0 12px 30px rgba(229, 169, 60, 0.4);
    }
    .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: rgba(255, 255, 255, 0.05);
      color: var(--text-white);
      font-weight: 600;
      font-size: 0.98rem;
      padding: 13px 28px;
      border-radius: var(--radius-pill);
      border: 1px solid var(--border-panel);
      cursor: pointer;
      transition: var(--transition-smooth);
    }
    .btn-secondary:hover {
      background: rgba(229, 169, 60, 0.12);
      color: var(--primary-gold);
      border-color: var(--primary-gold);
    }

    .badge-hud {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      padding: 3px 8px;
      background: rgba(42, 210, 201, 0.12);
      color: var(--accent-cyan);
      font-size: 0.75rem;
      font-weight: 600;
      border-radius: 4px;
      border: 1px solid rgba(42, 210, 201, 0.28);
    }
    .badge-gold {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      padding: 3px 8px;
      background: rgba(229, 169, 60, 0.12);
      color: var(--primary-gold);
      font-size: 0.75rem;
      font-weight: 600;
      border-radius: 4px;
      border: 1px solid rgba(229, 169, 60, 0.28);
    }

    /* Cards & Containers */
    .hud-card {
      background: var(--bg-card);
      border: 1px solid var(--border-panel);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: var(--shadow-card);
      transition: var(--transition-smooth);
      position: relative;
      overflow: hidden;
    }
    .hud-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background: linear-gradient(90deg, transparent, var(--primary-gold), transparent);
      opacity: 0;
      transition: var(--transition-smooth);
    }
    .hud-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(229, 169, 60, 0.4);
      background: var(--bg-card-hover);
    }
    .hud-card:hover::before {
      opacity: 1;
    }

    /* Section 1: Hero Flash Spotlight */
    .hero-section {
      padding-top: 150px;
      padding-bottom: 90px;
      position: relative;
      min-height: 90vh;
      display: flex;
      align-items: center;
    }
    .hero-flash-bar {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      padding: 8px 18px;
      background: rgba(21, 25, 33, 0.9);
      border: 1px solid rgba(229, 169, 60, 0.35);
      border-radius: var(--radius-pill);
      margin-bottom: 24px;
      box-shadow: 0 4px 16px rgba(0,0,0,0.4);
    }
    .flash-pulse-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent-cyan);
      box-shadow: 0 0 10px var(--accent-cyan);
      animation: pulse 1.8s infinite;
    }
    @keyframes pulse {
      0% { transform: scale(0.95); opacity: 0.6; }
      50% { transform: scale(1.3); opacity: 1; }
      100% { transform: scale(0.95); opacity: 0.6; }
    }
    .hero-title {
      font-size: 3.4rem;
      line-height: 1.18;
      margin-bottom: 24px;
      font-weight: 800;
      letter-spacing: -0.02em;
    }
    .hero-title-highlight {
      background: linear-gradient(135deg, var(--text-white) 40%, var(--primary-gold) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-desc {
      font-size: 1.15rem;
      line-height: 1.85;
      color: var(--text-silver);
      margin-bottom: 36px;
      max-width: 620px;
    }
    .hero-cta-group {
      display: flex;
      align-items: center;
      gap: 18px;
      margin-bottom: 42px;
      flex-wrap: wrap;
    }
    .hero-meta-strip {
      display: flex;
      align-items: center;
      gap: 28px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 24px;
    }
    .hero-meta-item strong {
      display: block;
      font-size: 1.25rem;
      color: var(--text-white);
      font-weight: 700;
    }
    .hero-meta-item span {
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    /* Hero Spotlight Display Card */
    .hero-display-card {
      background: linear-gradient(145deg, #1B212B 0%, #11141A 100%);
      border: 1px solid rgba(229, 169, 60, 0.3);
      border-radius: var(--radius-lg);
      padding: 24px;
      position: relative;
      box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.85);
    }
    .hero-screen-mock {
      width: 100%;
      height: 280px;
      border-radius: var(--radius-md);
      background: radial-gradient(circle at center, #263040 0%, #13171F 100%);
      position: relative;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
      border: 1px solid rgba(255, 255, 255, 0.05);
    }
    .hud-crosshair {
      position: absolute;
      width: 80px;
      height: 80px;
      border: 1px dashed rgba(229, 169, 60, 0.4);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .hud-play-btn {
      width: 52px;
      height: 52px;
      border-radius: 50%;
      background: var(--primary-gold);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #0D0F12;
      box-shadow: 0 0 20px var(--primary-gold-glow);
    }
    .hero-display-hud-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-top: 18px;
      padding-top: 14px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }

    /* Section 2: Service Matrix */
    .service-card {
      background: var(--bg-card);
      border: 1px solid var(--border-panel);
      border-radius: var(--radius-lg);
      padding: 32px 26px;
      height: 100%;
      position: relative;
      transition: var(--transition-smooth);
    }
    .service-card:hover {
      border-color: var(--primary-gold);
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
    }
    .service-coord {
      font-family: monospace;
      font-size: 0.8rem;
      color: var(--accent-cyan);
      letter-spacing: 0.1em;
      margin-bottom: 12px;
      display: block;
    }
    .service-title {
      font-size: 1.35rem;
      margin-bottom: 14px;
      color: var(--text-white);
    }

    /* Section 3: Metrics Board */
    .metric-box {
      text-align: left;
      padding: 24px;
      border-left: 2px solid rgba(229, 169, 60, 0.35);
      background: rgba(255, 255, 255, 0.015);
      border-radius: 0 var(--radius-md) var(--radius-md) 0;
      transition: var(--transition-smooth);
    }
    .metric-box:hover {
      border-left-color: var(--primary-gold);
      background: rgba(229, 169, 60, 0.04);
    }
    .metric-value {
      font-size: 2.8rem;
      font-weight: 800;
      line-height: 1.1;
      color: var(--primary-gold);
      font-family: monospace, sans-serif;
    }
    .metric-label {
      font-size: 1rem;
      color: var(--text-white);
      margin-top: 6px;
      font-weight: 600;
    }
    .metric-sub {
      font-size: 0.82rem;
      color: var(--text-muted);
      margin-top: 4px;
    }

    /* Section 4: Workflow Steps */
    .workflow-card {
      position: relative;
      padding: 30px 24px;
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-lg);
      height: 100%;
    }
    .workflow-num {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: rgba(42, 210, 201, 0.15);
      color: var(--accent-cyan);
      border: 1px solid var(--accent-cyan);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.95rem;
      margin-bottom: 18px;
    }
    .workflow-step-name {
      font-size: 1.18rem;
      color: var(--text-white);
      margin-bottom: 10px;
    }

    /* Section 5: Gallery Wall */
    .gallery-card {
      background: var(--bg-card);
      border: 1px solid var(--border-panel);
      border-radius: var(--radius-lg);
      overflow: hidden;
      transition: var(--transition-smooth);
      height: 100%;
    }
    .gallery-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: var(--primary-gold);
    }
    .gallery-thumb {
      width: 100%;
      height: 190px;
      background: linear-gradient(135deg, #1f2633 0%, #10141a 100%);
      position: relative;
      display: flex;
      align-items: flex-end;
      padding: 16px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }
    .gallery-thumb-hud {
      position: absolute;
      top: 14px;
      right: 14px;
      display: flex;
      gap: 6px;
    }
    .gallery-body {
      padding: 22px;
    }
    .gallery-title {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-white);
    }
    .gallery-meta {
      display: flex;
      justify-content: space-between;
      color: var(--text-muted);
      font-size: 0.84rem;
      margin-top: 14px;
      padding-top: 12px;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
    }

    /* Section 6: Tech Specs & Decoders */
    .specs-board {
      background: var(--bg-surface);
      border: 1px solid var(--border-panel);
      border-radius: var(--radius-lg);
      padding: 36px;
    }
    .spec-item {
      padding: 16px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }
    .spec-item:last-child {
      border-bottom: none;
    }
    .spec-key {
      font-weight: 600;
      color: var(--text-white);
    }
    .spec-desc {
      font-size: 0.88rem;
      color: var(--text-silver);
      margin-top: 4px;
    }

    /* Section 7: News & Insights */
    .news-featured {
      background: var(--bg-card);
      border: 1px solid var(--border-panel);
      border-radius: var(--radius-lg);
      padding: 30px;
      height: 100%;
    }
    .news-list-item {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      padding: 20px 24px;
      margin-bottom: 16px;
      transition: var(--transition-smooth);
    }
    .news-list-item:hover {
      border-color: rgba(229, 169, 60, 0.35);
      background: var(--bg-card-hover);
    }

    /* Section 8: Ecosystem Network */
    .partner-logo-pill {
      background: rgba(255, 255, 255, 0.02);
      border: 1px solid rgba(255, 255, 255, 0.06);
      border-radius: var(--radius-md);
      padding: 22px 16px;
      text-align: center;
      transition: var(--transition-smooth);
    }
    .partner-logo-pill:hover {
      background: rgba(229, 169, 60, 0.06);
      border-color: rgba(229, 169, 60, 0.3);
    }
    .partner-logo-name {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-silver);
      letter-spacing: 0.05em;
    }

    /* Section 9: Accordion FAQ */
    .accordion {
      background: transparent;
      border: none;
    }
    .accordion-item {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md) !important;
      margin-bottom: 14px;
      overflow: hidden;
    }
    .accordion-title {
      background: transparent !important;
      color: var(--text-white) !important;
      font-size: 1.05rem;
      font-weight: 600;
      padding: 20px 24px;
      border: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .accordion-title:hover {
      color: var(--primary-gold) !important;
    }
    .accordion-title::before {
      display: none;
    }
    .accordion-content {
      background: var(--bg-surface);
      border: none;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding: 20px 24px;
      color: var(--text-silver);
      font-size: 0.95rem;
    }

    /* Section 10: Assurance Bar */
    .assurance-panel {
      background: linear-gradient(90deg, #161D26 0%, #11141A 100%);
      border: 1px solid var(--border-panel);
      border-radius: var(--radius-lg);
      padding: 34px 40px;
    }
    .assurance-item {
      display: flex;
      align-items: flex-start;
      gap: 16px;
    }
    .assurance-icon {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: rgba(42, 210, 201, 0.12);
      border: 1px solid rgba(42, 210, 201, 0.3);
      color: var(--accent-cyan);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      flex-shrink: 0;
    }

    /* Section 11: Tag Cloud Matrix */
    .tag-cloud-box {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      justify-content: center;
      max-width: 960px;
      margin: 0 auto;
    }
    .matrix-tag {
      padding: 8px 18px;
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-pill);
      font-size: 0.88rem;
      color: var(--text-silver);
      transition: var(--transition-smooth);
    }
    .matrix-tag:hover {
      border-color: var(--primary-gold);
      color: var(--primary-gold);
      background: rgba(229, 169, 60, 0.08);
      transform: translateY(-2px);
    }

    /* Section 12: Call to Action Form */
    .cta-banner {
      background: radial-gradient(circle at top right, rgba(229, 169, 60, 0.15) 0%, transparent 60%),
                  radial-gradient(circle at bottom left, rgba(42, 210, 201, 0.1) 0%, transparent 50%),
                  #131720;
      border: 1px solid rgba(229, 169, 60, 0.3);
      border-radius: var(--radius-lg);
      padding: 60px 40px;
      text-align: center;
      box-shadow: 0 20px 50px -10px rgba(0, 0, 0, 0.7);
    }
    .cta-input-group {
      max-width: 520px;
      margin: 30px auto 0 auto;
      display: flex;
      gap: 12px;
    }
    .cta-input {
      background: rgba(13, 15, 18, 0.85);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-pill);
      padding: 12px 24px;
      color: var(--text-white);
      outline: none;
      font-size: 0.95rem;
      width: 100%;
      transition: var(--transition-smooth);
    }
    .cta-input:focus {
      border-color: var(--primary-gold);
      box-shadow: 0 0 12px var(--primary-gold-glow);
    }

    /* Global Footer */
    .site-footer {
      background: #090B0E;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding: 70px 0 35px 0;
    }
    .footer-brand-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.8;
      margin-top: 14px;
    }
    .footer-col-title {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-white);
      margin-bottom: 20px;
      letter-spacing: 0.04em;
    }
    .footer-nav-list {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-nav-list li {
      margin-bottom: 10px;
    }
    .footer-nav-list a {
      color: var(--text-silver);
      font-size: 0.9rem;
      transition: var(--transition-smooth);
    }
    .footer-nav-list a:hover {
      color: var(--primary-gold);
      padding-left: 4px;
    }
    .footer-bottom {
      margin-top: 50px;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      color: var(--text-muted);
      font-size: 0.84rem;
    }

    /* Responsive Queries */
    @media screen and (max-width: 1023px) {
      .hero-title {
        font-size: 2.5rem;
      }
      .dock-menu {
        display: none;
      }
      .dock-nav {
        height: 56px;
        padding: 0 18px;
      }
    }
    @media screen and (max-width: 639px) {
      .site-section {
        padding: 60px 0;
      }
      .hero-section {
        padding-top: 120px;
        min-height: auto;
      }
      .hero-title {
        font-size: 2rem;
      }
      .section-title {
        font-size: 1.75rem;
      }
      .cta-input-group {
        flex-direction: column;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
    }

/* roulang page: category1 */
:root {
  --bg-main: #0D0F12;
  --bg-surface: #151921;
  --bg-card: #191E26;
  --bg-card-hover: #202632;
  --primary-gold: #E5A93C;
  --primary-gold-hover: #FFBE42;
  --primary-gold-glow: rgba(229, 169, 60, 0.28);
  --accent-cyan: #2AD2C9;
  --accent-cyan-glow: rgba(42, 210, 201, 0.25);
  --text-white: #F3F5F7;
  --text-silver: #9BA3AF;
  --text-muted: #5D6675;
  --border-panel: rgba(229, 169, 60, 0.16);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 6px;
  --radius-pill: 9999px;
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.6);
  --shadow-hover: 0 20px 40px -10px rgba(229, 169, 60, 0.2);
  --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-main);
  color: var(--text-white);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
  line-height: 1.8;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(229, 169, 60, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 85% 85%, rgba(42, 210, 201, 0.03) 0%, transparent 45%),
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 48px 48px, 48px 48px;
}
a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-smooth);
}
a:hover {
  color: var(--primary-gold);
}
.site-section {
  padding: 75px 0;
  position: relative;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}
.section-header {
  margin-bottom: 40px;
  position: relative;
}
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary-gold);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  background: rgba(229, 169, 60, 0.1);
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(229, 169, 60, 0.25);
}
.section-title {
  font-size: 2rem;
  line-height: 1.35;
  color: var(--text-white);
  font-weight: 700;
  margin: 0;
}
.section-desc {
  max-width: 680px;
  font-size: 1rem;
  color: var(--text-silver);
  margin-top: 12px;
}

/* Floating Dock Navigation */
.dock-nav-wrapper {
  position: fixed;
  top: 20px;
  left: 0;
  right: 0;
  z-index: 999;
  display: flex;
  justify-content: center;
  padding: 0 16px;
  pointer-events: none;
}
.dock-nav {
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1120px;
  height: 64px;
  padding: 0 24px;
  background: rgba(21, 25, 33, 0.86);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border-panel);
  border-radius: var(--radius-pill);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.65), 0 0 18px rgba(229, 169, 60, 0.12);
  transition: var(--transition-smooth);
}
.dock-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.12rem;
  color: var(--text-white);
  letter-spacing: 0.02em;
}
.dock-logo-mark {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--primary-gold), #B37D1A);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0D0F12;
  font-weight: 900;
  font-size: 0.95rem;
  box-shadow: 0 0 12px var(--primary-gold-glow);
}
.dock-menu {
  display: flex;
  align-items: center;
  gap: 20px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.dock-menu a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-silver);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  transition: var(--transition-smooth);
}
.dock-menu a:hover,
.dock-menu a.active {
  color: var(--text-white);
  background: rgba(255, 255, 255, 0.08);
}
.dock-menu a.active {
  color: var(--primary-gold);
  border: 1px solid rgba(229, 169, 60, 0.3);
}
.dock-actions {
  display: flex;
  align-items: center;
}
.dock-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 20px;
  background: linear-gradient(135deg, var(--primary-gold), #CA8E26);
  color: #0D0F12;
  font-size: 0.88rem;
  font-weight: 700;
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 14px var(--primary-gold-glow);
  border: none;
  cursor: pointer;
  transition: var(--transition-smooth);
}
.dock-btn:hover {
  background: linear-gradient(135deg, var(--primary-gold-hover), #E5A93C);
  color: #0D0F12;
  box-shadow: 0 6px 20px rgba(229, 169, 60, 0.45);
  transform: translateY(-1px);
}

/* Category H1 Hero Banner */
.category-header-wrap {
  padding-top: 130px;
  padding-bottom: 50px;
  position: relative;
  background: linear-gradient(180deg, rgba(229, 169, 60, 0.08) 0%, rgba(13, 15, 18, 0.4) 100%);
  border-bottom: 1px solid var(--border-panel);
}
.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.breadcrumb-nav a {
  color: var(--text-silver);
}
.breadcrumb-nav a:hover {
  color: var(--primary-gold);
}
.breadcrumb-separator {
  color: var(--text-muted);
}
.category-h1 {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-white);
  margin: 0 0 16px 0;
}
.category-intro {
  font-size: 1.05rem;
  color: var(--text-silver);
  max-width: 780px;
  margin-bottom: 24px;
}
.stat-indicator-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  padding: 16px 24px;
  background: rgba(21, 25, 33, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  backdrop-filter: blur(12px);
}
.stat-indicator-item {
  display: flex;
  flex-direction: column;
}
.stat-indicator-val {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary-gold);
  line-height: 1.2;
}
.stat-indicator-lbl {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* Filter Box */
.filter-panel-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-panel);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  box-shadow: var(--shadow-card);
}
.filter-group-row {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.filter-group-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.filter-label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--primary-gold);
  min-width: 80px;
  letter-spacing: 0.04em;
}
.filter-options {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.filter-pill {
  display: inline-block;
  font-size: 0.85rem;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-silver);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition-smooth);
}
.filter-pill:hover {
  background: rgba(255, 255, 255, 0.09);
  color: var(--text-white);
}
.filter-pill.active {
  background: linear-gradient(135deg, var(--primary-gold), #B8801C);
  color: #0D0F12;
  font-weight: 700;
  box-shadow: 0 2px 10px var(--primary-gold-glow);
}

/* Video Card Grid */
.video-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: var(--transition-smooth);
  box-shadow: var(--shadow-card);
  position: relative;
}
.video-card:hover {
  transform: translateY(-5px);
  border-color: rgba(229, 169, 60, 0.35);
  box-shadow: var(--shadow-hover);
}
.video-thumb-holder {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  background-color: #12151B;
  overflow: hidden;
}
.video-thumb-visual {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  transition: var(--transition-smooth);
}
.video-card:hover .video-thumb-visual {
  transform: scale(1.04);
}
.hud-corner-tl {
  position: absolute;
  top: 8px;
  left: 8px;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background: rgba(13, 15, 18, 0.8);
  border: 1px solid rgba(42, 210, 201, 0.4);
  color: var(--accent-cyan);
  z-index: 2;
}
.hud-corner-tr {
  position: absolute;
  top: 8px;
  right: 8px;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background: rgba(229, 169, 60, 0.9);
  color: #0D0F12;
  z-index: 2;
}
.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  font-size: 0.75rem;
  padding: 2px 6px;
  background: rgba(0, 0, 0, 0.75);
  color: #fff;
  border-radius: 4px;
  z-index: 2;
}
.video-card-content {
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}
.video-card-title {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--text-white);
  line-height: 1.45;
  margin: 0 0 8px 0;
}
.video-card-title a:hover {
  color: var(--primary-gold);
}
.video-card-desc {
  font-size: 0.88rem;
  color: var(--text-silver);
  line-height: 1.6;
  margin-bottom: 16px;
  flex-grow: 1;
}
.video-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.meta-codec {
  color: var(--accent-cyan);
  font-weight: 600;
}

/* Pagination */
.pagination-area {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 45px;
}
.page-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 14px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-silver);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}
.page-btn:hover {
  border-color: var(--primary-gold);
  color: var(--text-white);
}
.page-btn.active {
  background: var(--primary-gold);
  color: #0D0F12;
  border-color: var(--primary-gold);
  box-shadow: 0 2px 10px var(--primary-gold-glow);
}

/* Editorial Recommendation Cards */
.curator-card {
  background: linear-gradient(135deg, #191E26 0%, #151921 100%);
  border: 1px solid var(--border-panel);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-card);
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}
.curator-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, var(--primary-gold), var(--accent-cyan));
}
.curator-badge-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.curator-tag {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--primary-gold);
  background: rgba(229, 169, 60, 0.12);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(229, 169, 60, 0.25);
}
.curator-score {
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--accent-cyan);
}
.curator-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-white);
  line-height: 1.35;
  margin: 0 0 12px 0;
}
.curator-summary {
  font-size: 0.92rem;
  color: var(--text-silver);
  line-height: 1.7;
  margin-bottom: 20px;
}
.curator-specs-list {
  background: rgba(0, 0, 0, 0.25);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  margin-top: auto;
  list-style: none;
  margin-bottom: 0;
}
.curator-specs-list li {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-muted);
  padding: 4px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}
.curator-specs-list li:last-child {
  border-bottom: none;
}
.curator-specs-list li span:last-child {
  color: var(--text-white);
  font-weight: 600;
}

/* Technical Specification Guide Cards */
.spec-guide-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  height: 100%;
  transition: var(--transition-smooth);
}
.spec-guide-card:hover {
  border-color: rgba(42, 210, 201, 0.35);
  box-shadow: 0 10px 25px -10px rgba(42, 210, 201, 0.15);
}
.spec-guide-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(42, 210, 201, 0.1);
  border: 1px solid rgba(42, 210, 201, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--accent-cyan);
  margin-bottom: 16px;
}
.spec-guide-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-white);
  margin: 0 0 10px 0;
}
.spec-guide-desc {
  font-size: 0.9rem;
  color: var(--text-silver);
  line-height: 1.7;
}

/* Category FAQ */
.faq-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 22px 24px;
  height: 100%;
}
.faq-q {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-white);
  margin: 0 0 10px 0;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.faq-mark {
  color: var(--primary-gold);
  font-weight: 900;
  font-size: 1.1rem;
}
.faq-a {
  font-size: 0.9rem;
  color: var(--text-silver);
  line-height: 1.75;
  margin: 0;
  padding-left: 24px;
}

/* Category Subscribe Strip */
.subscribe-strip {
  background: linear-gradient(90deg, #151921 0%, #191E26 100%);
  border: 1px solid var(--border-panel);
  border-radius: var(--radius-lg);
  padding: 30px 40px;
  box-shadow: var(--shadow-card);
}
.subscribe-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-white);
  margin: 0 0 6px 0;
}
.subscribe-sub {
  font-size: 0.92rem;
  color: var(--text-silver);
  margin: 0;
}
.subscribe-form {
  display: flex;
  gap: 10px;
  margin-top: 10px;
}
.subscribe-input {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  padding: 10px 20px;
  color: var(--text-white);
  font-size: 0.92rem;
  flex-grow: 1;
  outline: none;
  transition: var(--transition-smooth);
}
.subscribe-input:focus {
  border-color: var(--primary-gold);
  box-shadow: 0 0 10px var(--primary-gold-glow);
}
.subscribe-btn {
  background: linear-gradient(135deg, var(--primary-gold), #CA8E26);
  color: #0D0F12;
  font-weight: 700;
  font-size: 0.92rem;
  padding: 10px 24px;
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition-smooth);
}
.subscribe-btn:hover {
  background: linear-gradient(135deg, var(--primary-gold-hover), #E5A93C);
  box-shadow: 0 4px 14px var(--primary-gold-glow);
}

/* Global Footer Styles */
.site-footer {
  background: #090B0E;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 60px 0 30px;
  position: relative;
  font-size: 0.92rem;
}
.footer-brand-desc {
  color: var(--text-silver);
  font-size: 0.88rem;
  line-height: 1.8;
  margin-top: 14px;
  max-width: 360px;
}
.footer-col-title {
  color: var(--text-white);
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 8px;
}
.footer-col-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--primary-gold);
}
.footer-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-nav-list li {
  margin-bottom: 10px;
}
.footer-nav-list a {
  color: var(--text-silver);
  font-size: 0.88rem;
  transition: var(--transition-smooth);
}
.footer-nav-list a:hover {
  color: var(--primary-gold);
  padding-left: 4px;
}
.footer-bottom {
  margin-top: 50px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--text-muted);
  font-size: 0.84rem;
}

@media screen and (max-width: 768px) {
  .dock-menu {
    display: none;
  }
  .category-h1 {
    font-size: 1.8rem;
  }
  .subscribe-form {
    flex-direction: column;
  }
  .subscribe-strip {
    padding: 24px 20px;
  }
  .stat-indicator-strip {
    gap: 16px;
  }
  .filter-group-row {
    flex-direction: column;
    gap: 8px;
  }
}