/* roulang page: index */
:root {
      --bg-dark: #0B0E14;
      --bg-surface: #101726;
      --bg-surface-alt: #162033;
      --hud-gold: #FFB800;
      --hud-cyan: #00E5FF;
      --hud-gray: #1F293D;
      --text-white: #F1F5F9;
      --text-muted: #94A3B8;
      --text-dim: #64748B;
      --border-hud: rgba(0, 229, 255, 0.2);
      --border-gold: rgba(255, 184, 0, 0.4);
      --gold-glow: 0 0 20px rgba(255, 184, 0, 0.35);
      --cyan-glow: 0 0 20px rgba(0, 229, 255, 0.3);
      --radius: 6px;
    }
    * { box-sizing: border-box; }
    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-dark);
      color: var(--text-muted);
      line-height: 1.65;
      background-image: 
        linear-gradient(rgba(16, 23, 38, 0.85), rgba(11, 14, 20, 0.95)),
        radial-gradient(rgba(0, 229, 255, 0.05) 1px, transparent 1px);
      background-size: 100% 100%, 28px 28px;
    }
    a { text-decoration: none; color: inherit; transition: all 0.2s ease; }
    h1, h2, h3, h4, h5, h6 { color: var(--text-white); font-weight: 700; letter-spacing: -0.02em; }
    .text-gold { color: var(--hud-gold) !important; }
    .text-cyan { color: var(--hud-cyan) !important; }
    
    /* Top Bar */
    .top-bar {
      background: #07090D;
      border-bottom: 1px solid rgba(255,255,255,0.06);
      font-size: 12px;
      letter-spacing: 0.04em;
    }
    .status-dot {
      display: inline-block;
      width: 7px;
      height: 7px;
      background-color: #10B981;
      border-radius: 50%;
      box-shadow: 0 0 8px #10B981;
      animation: pulse-dot 2s infinite;
    }
    @keyframes pulse-dot { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

    /* Main Nav */
    .navbar-tactical {
      background: rgba(16, 23, 38, 0.88);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-hud);
      position: sticky;
      top: 0;
      z-index: 1000;
    }
    .navbar-brand-badge {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 800;
      color: var(--text-white);
    }
    .brand-icon-box {
      width: 32px;
      height: 32px;
      background: linear-gradient(135deg, var(--hud-gold), #D97706);
      clip-path: polygon(25% 0%, 100% 0%, 75% 100%, 0% 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #000;
      font-weight: 900;
      font-size: 14px;
    }
    .nav-link-custom {
      color: var(--text-muted);
      font-size: 14px;
      font-weight: 600;
      padding: 8px 16px;
      border-radius: var(--radius);
      position: relative;
    }
    .nav-link-custom:hover, .nav-link-custom.active {
      color: var(--hud-gold);
      background: rgba(255, 184, 0, 0.08);
    }
    .nav-link-custom.active::after {
      content: '';
      position: absolute;
      bottom: -1px;
      left: 16px;
      right: 16px;
      height: 2px;
      background: var(--hud-gold);
      box-shadow: var(--gold-glow);
    }

    /* Buttons */
    .btn-hud-gold {
      background: var(--hud-gold);
      color: #000 !important;
      font-weight: 700;
      font-size: 14px;
      border: 1px solid var(--hud-gold);
      border-radius: var(--radius);
      padding: 10px 24px;
      box-shadow: var(--gold-glow);
      transition: all 0.25s ease;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .btn-hud-gold:hover {
      background: #E5A600;
      box-shadow: 0 0 28px rgba(255, 184, 0, 0.6);
      transform: translateY(-2px);
    }
    .btn-hud-outline {
      background: rgba(0, 229, 255, 0.05);
      color: var(--hud-cyan) !important;
      font-weight: 600;
      font-size: 14px;
      border: 1px solid var(--border-hud);
      border-radius: var(--radius);
      padding: 10px 22px;
      transition: all 0.25s ease;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .btn-hud-outline:hover {
      background: rgba(0, 229, 255, 0.15);
      border-color: var(--hud-cyan);
      box-shadow: var(--cyan-glow);
    }

    /* Glass Panels */
    .tactical-card {
      background: rgba(16, 23, 38, 0.75);
      backdrop-filter: blur(12px);
      border: 1px solid var(--border-hud);
      border-radius: var(--radius);
      padding: 24px;
      position: relative;
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .tactical-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 8px;
      height: 8px;
      border-top: 2px solid var(--hud-cyan);
      border-left: 2px solid var(--hud-cyan);
    }
    .tactical-card:hover {
      border-color: var(--hud-gold);
      transform: translateY(-4px);
      box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4), var(--gold-glow);
    }
    .tactical-card:hover::before {
      border-color: var(--hud-gold);
    }

    /* Hero Section */
    .hero-section {
      position: relative;
      padding: 80px 0 60px;
      background: linear-gradient(180deg, rgba(16, 23, 38, 0.4) 0%, rgba(11, 14, 20, 1) 100%),
                  url('/assets/images/c82f36208b2e4de6.webp') center/cover no-repeat;
      border-bottom: 1px solid rgba(0, 229, 255, 0.15);
    }
    .hero-badge-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(0, 229, 255, 0.1);
      border: 1px solid var(--border-hud);
      color: var(--hud-cyan);
      font-size: 13px;
      padding: 4px 12px;
      border-radius: 20px;
      font-weight: 600;
      margin-bottom: 20px;
    }
    .hero-title {
      font-size: clamp(32px, 4.5vw, 48px);
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 20px;
    }
    .hero-lead {
      font-size: 16px;
      line-height: 1.8;
      color: #CBD5E1;
      margin-bottom: 30px;
      max-width: 720px;
    }
    .hero-kpi-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 40px;
    }
    .kpi-box {
      background: rgba(11, 14, 20, 0.85);
      border: 1px solid var(--border-hud);
      padding: 16px;
      border-radius: var(--radius);
      border-left: 3px solid var(--hud-cyan);
    }
    .kpi-num {
      font-size: 28px;
      font-weight: 800;
      color: var(--hud-gold);
      font-family: monospace;
      line-height: 1;
      margin-bottom: 4px;
    }
    .kpi-label {
      font-size: 12px;
      color: var(--text-dim);
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }

    /* Section Structure */
    .section-wrap {
      padding: 70px 0;
      position: relative;
    }
    .section-alt {
      background: rgba(16, 23, 38, 0.35);
      border-top: 1px solid rgba(255,255,255,0.03);
      border-bottom: 1px solid rgba(255,255,255,0.03);
    }
    .section-header {
      margin-bottom: 46px;
    }
    .section-tag {
      font-size: 12px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.1em;
      color: var(--hud-cyan);
      display: inline-block;
      margin-bottom: 8px;
    }
    .section-title {
      font-size: 28px;
      margin-bottom: 14px;
    }
    .section-desc {
      color: var(--text-muted);
      max-width: 680px;
      font-size: 15px;
      margin: 0;
    }

    /* Matrix & Cards */
    .code-idx {
      font-family: monospace;
      color: var(--hud-gold);
      font-size: 14px;
      font-weight: 700;
    }
    .card-thumb-wrap {
      width: 100%;
      height: 180px;
      overflow: hidden;
      border-radius: var(--radius);
      margin-bottom: 16px;
      border: 1px solid rgba(255,255,255,0.06);
    }
    .card-thumb-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .tactical-card:hover .card-thumb-wrap img {
      transform: scale(1.05);
    }

    /* Comparison Table */
    .comparison-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }
    .comp-col {
      background: rgba(16, 23, 38, 0.6);
      border: 1px solid var(--border-hud);
      border-radius: var(--radius);
      padding: 28px;
    }
    .comp-col.highlighted {
      border-color: var(--hud-gold);
      background: rgba(22, 32, 51, 0.8);
      box-shadow: var(--gold-glow);
      position: relative;
    }
    .comp-badge {
      position: absolute;
      top: -12px;
      right: 20px;
      background: var(--hud-gold);
      color: #000;
      font-size: 11px;
      font-weight: 800;
      padding: 2px 10px;
      border-radius: 4px;
      letter-spacing: 0.05em;
    }
    .comp-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 12px 0;
      border-bottom: 1px solid rgba(255,255,255,0.05);
      font-size: 14px;
    }
    .comp-row:last-child { border-bottom: none; }

    /* Timeline */
    .milestone-track {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .milestone-item {
      background: rgba(16, 23, 38, 0.7);
      border: 1px solid var(--border-hud);
      padding: 22px;
      border-radius: var(--radius);
      position: relative;
    }
    .milestone-item::after {
      content: '◆';
      position: absolute;
      top: -10px;
      left: 20px;
      font-size: 12px;
      color: var(--hud-gold);
    }

    /* Accordion Custom */
    .accordion-tactical .accordion-item {
      background: rgba(16, 23, 38, 0.75);
      border: 1px solid var(--border-hud);
      margin-bottom: 12px;
      border-radius: var(--radius);
      overflow: hidden;
    }
    .accordion-tactical .accordion-button {
      background: transparent;
      color: var(--text-white);
      font-weight: 600;
      font-size: 15px;
      padding: 18px 24px;
      box-shadow: none;
    }
    .accordion-tactical .accordion-button:not(.collapsed) {
      color: var(--hud-gold);
      background: rgba(255, 184, 0, 0.05);
      border-bottom: 1px solid var(--border-hud);
    }
    .accordion-tactical .accordion-button::after {
      filter: invert(1);
    }
    .accordion-tactical .accordion-body {
      color: var(--text-muted);
      font-size: 14px;
      line-height: 1.7;
      padding: 20px 24px;
    }

    /* Partner Logos */
    .partner-grid {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 16px;
    }
    .partner-card {
      background: rgba(16, 23, 38, 0.5);
      border: 1px solid rgba(255,255,255,0.06);
      padding: 20px;
      border-radius: var(--radius);
      text-align: center;
      font-weight: 700;
      font-size: 13px;
      color: var(--text-dim);
      letter-spacing: 0.05em;
      transition: all 0.25s ease;
    }
    .partner-card:hover {
      border-color: var(--hud-gold);
      color: var(--hud-gold);
      transform: translateY(-2px);
    }

    /* Form Card */
    .console-form {
      background: rgba(11, 14, 20, 0.9);
      border: 1px solid var(--hud-gold);
      box-shadow: var(--gold-glow);
      border-radius: var(--radius);
      padding: 40px;
    }
    .form-tactical-input {
      background: #07090D;
      border: 1px solid rgba(255,255,255,0.15);
      color: var(--text-white);
      padding: 12px 16px;
      border-radius: var(--radius);
      font-size: 14px;
    }
    .form-tactical-input:focus {
      background: #07090D;
      border-color: var(--hud-gold);
      color: var(--text-white);
      box-shadow: 0 0 12px rgba(255, 184, 0, 0.3);
      outline: none;
    }

    /* Footer */
    .tactical-footer {
      background: #06080B;
      border-top: 1px solid var(--border-hud);
      padding: 60px 0 24px;
      font-size: 13px;
    }
    .footer-col h5 {
      font-size: 14px;
      color: var(--text-white);
      margin-bottom: 18px;
      text-transform: uppercase;
      letter-spacing: 0.08em;
    }
    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-links li { margin-bottom: 10px; }
    .footer-links a { color: var(--text-muted); }
    .footer-links a:hover { color: var(--hud-gold); }

    @media (max-width: 991px) {
      .hero-kpi-grid { grid-template-columns: repeat(2, 1fr); }
      .milestone-track { grid-template-columns: repeat(2, 1fr); }
      .comparison-grid { grid-template-columns: 1fr; }
      .partner-grid { grid-template-columns: repeat(3, 1fr); }
    }
    @media (max-width: 576px) {
      .hero-kpi-grid { grid-template-columns: 1fr; }
      .milestone-track { grid-template-columns: 1fr; }
      .partner-grid { grid-template-columns: repeat(2, 1fr); }
    }

/* roulang page: article */
:root {
      --bg-dark: #0B0E14;
      --bg-surface: #101726;
      --bg-surface-alt: #162033;
      --hud-gold: #FFB800;
      --hud-cyan: #00E5FF;
      --hud-gray: #1F293D;
      --text-white: #F1F5F9;
      --text-muted: #94A3B8;
      --text-dim: #64748B;
      --border-hud: rgba(0, 229, 255, 0.2);
      --border-gold: rgba(255, 184, 0, 0.4);
      --gold-glow: 0 0 20px rgba(255, 184, 0, 0.35);
      --cyan-glow: 0 0 20px rgba(0, 229, 255, 0.3);
      --radius: 6px;
    }
    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-dark);
      color: var(--text-muted);
      line-height: 1.65;
      background-image: 
        linear-gradient(rgba(16, 23, 38, 0.85), rgba(11, 14, 20, 0.95)),
        radial-gradient(rgba(0, 229, 255, 0.05) 1px, transparent 1px);
      background-size: 100% 100%, 28px 28px;
    }
    a { text-decoration: none; color: inherit; transition: all 0.2s ease; }
    .text-gold { color: var(--hud-gold) !important; }
    .text-cyan { color: var(--hud-cyan) !important; }
    .top-status-bar {
      background: #07090D;
      border-bottom: 1px solid rgba(0, 229, 255, 0.12);
      padding: 6px 0;
      font-size: 12px;
      color: var(--text-dim);
    }
    .status-indicator {
      display: inline-block;
      width: 8px;
      height: 8px;
      background-color: #10B981;
      border-radius: 50%;
      box-shadow: 0 0 8px #10B981;
      margin-right: 6px;
    }
    .navbar-tactical {
      background: rgba(16, 23, 38, 0.88);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-hud);
      position: sticky;
      top: 0;
      z-index: 1000;
    }
    .navbar-brand-badge {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 800;
      color: var(--text-white);
    }
    .brand-icon-box {
      width: 32px;
      height: 32px;
      background: linear-gradient(135deg, var(--hud-gold), #D97706);
      clip-path: polygon(25% 0%, 100% 0%, 75% 100%, 0% 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #000;
      font-weight: 900;
      font-size: 14px;
    }
    .nav-link-custom {
      color: var(--text-muted);
      font-size: 14px;
      font-weight: 600;
      padding: 8px 16px;
      border-radius: var(--radius);
      position: relative;
    }
    .nav-link-custom:hover, .nav-link-custom.active {
      color: var(--hud-gold);
      background: rgba(255, 184, 0, 0.08);
    }
    .btn-hud-gold {
      background: var(--hud-gold);
      color: #000 !important;
      font-weight: 700;
      font-size: 14px;
      border: 1px solid var(--hud-gold);
      border-radius: var(--radius);
      padding: 10px 24px;
      box-shadow: var(--gold-glow);
      transition: all 0.25s ease;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .btn-hud-gold:hover {
      background: #E5A600;
      box-shadow: 0 0 28px rgba(255, 184, 0, 0.6);
      transform: translateY(-2px);
    }
    .btn-hud-outline {
      background: rgba(0, 229, 255, 0.05);
      color: var(--hud-cyan) !important;
      font-weight: 600;
      font-size: 14px;
      border: 1px solid var(--border-hud);
      border-radius: var(--radius);
      padding: 8px 18px;
      transition: all 0.25s ease;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .btn-hud-outline:hover {
      background: rgba(0, 229, 255, 0.15);
      border-color: var(--hud-cyan);
      box-shadow: var(--cyan-glow);
    }
    .tactical-card {
      background: rgba(16, 23, 38, 0.75);
      backdrop-filter: blur(12px);
      border: 1px solid var(--border-hud);
      border-radius: var(--radius);
      padding: 24px;
      position: relative;
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .tactical-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 8px;
      height: 8px;
      border-top: 2px solid var(--hud-cyan);
      border-left: 2px solid var(--hud-cyan);
    }
    .article-header-panel {
      padding: 50px 0 35px;
      background: linear-gradient(180deg, rgba(16, 23, 38, 0.6) 0%, rgba(11, 14, 20, 0.95) 100%),
                  url('/assets/images/f23826f534270bb9.jpg') center/cover no-repeat;
      border-bottom: 1px solid rgba(0, 229, 255, 0.15);
    }
    .hud-breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: var(--text-dim);
      margin-bottom: 18px;
    }
    .hud-breadcrumb a:hover {
      color: var(--hud-cyan);
    }
    .article-main-h1 {
      font-size: clamp(26px, 3.6vw, 40px);
      font-weight: 800;
      line-height: 1.35;
      color: var(--text-white);
      margin-bottom: 22px;
    }
    .meta-tag-strip {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 16px;
      font-size: 13px;
      color: var(--text-dim);
    }
    .meta-tag-strip span {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .lead-summary-card {
      background: rgba(22, 32, 51, 0.7);
      border-left: 4px solid var(--hud-gold);
      border-top: 1px solid rgba(255, 184, 0, 0.2);
      border-right: 1px solid rgba(255, 184, 0, 0.1);
      border-bottom: 1px solid rgba(255, 184, 0, 0.1);
      padding: 22px 26px;
      margin: 36px auto;
      max-width: 900px;
      border-radius: 0 var(--radius) var(--radius) 0;
    }
    .content-body-wrap {
      max-width: 900px;
      margin: 0 auto;
      font-size: 16px;
      line-height: 1.85;
      color: #CBD5E1;
    }
    .content-body-wrap h2, .content-body-wrap h3 {
      color: var(--text-white);
      margin-top: 36px;
      margin-bottom: 18px;
      font-weight: 700;
      position: relative;
      padding-left: 14px;
    }
    .content-body-wrap h2::before, .content-body-wrap h3::before {
      content: '';
      position: absolute;
      left: 0;
      top: 6px;
      bottom: 6px;
      width: 4px;
      background: var(--hud-cyan);
      box-shadow: var(--cyan-glow);
    }
    .content-body-wrap p {
      margin-bottom: 22px;
    }
    .content-body-wrap img {
      max-width: 100%;
      height: auto;
      border-radius: var(--radius);
      border: 1px solid var(--border-hud);
      margin: 20px 0;
    }
    .interaction-hud-bar {
      max-width: 900px;
      margin: 40px auto 0;
      padding: 18px 24px;
      background: rgba(16, 23, 38, 0.9);
      border: 1px solid var(--border-hud);
      border-radius: var(--radius);
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
    }
    .author-hud-card {
      max-width: 900px;
      margin: 40px auto 0;
      background: rgba(16, 23, 38, 0.6);
      border: 1px solid rgba(0, 229, 255, 0.15);
      border-radius: var(--radius);
      padding: 24px;
      display: flex;
      align-items: center;
      gap: 20px;
    }
    .author-avatar-box {
      width: 60px;
      height: 60px;
      border-radius: 50%;
      background: #1E293B;
      border: 2px solid var(--hud-gold);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      color: var(--hud-gold);
      font-size: 22px;
      flex-shrink: 0;
    }
    .related-section {
      padding: 60px 0;
      background: rgba(16, 23, 38, 0.4);
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }
    .tactical-footer {
      background: #080B10;
      border-top: 1px solid rgba(0, 229, 255, 0.15);
      padding: 60px 0 24px;
    }
    .footer-col h5 {
      color: var(--text-white);
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 20px;
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }
    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      color: var(--text-muted);
      font-size: 14px;
    }
    .footer-links a:hover {
      color: var(--hud-gold);
      padding-left: 4px;
    }
    @media (max-width: 768px) {
      .interaction-hud-bar { flex-direction: column; align-items: flex-start; }
      .author-hud-card { flex-direction: column; text-align: center; }
    }

/* roulang page: category1 */
:root {
      --bg-dark: #0B0E14;
      --bg-surface: #101726;
      --bg-surface-alt: #162033;
      --hud-gold: #FFB800;
      --hud-cyan: #00E5FF;
      --hud-gray: #1F293D;
      --text-white: #F1F5F9;
      --text-muted: #94A3B8;
      --text-dim: #64748B;
      --border-hud: rgba(0, 229, 255, 0.2);
      --border-gold: rgba(255, 184, 0, 0.4);
      --gold-glow: 0 0 20px rgba(255, 184, 0, 0.35);
      --cyan-glow: 0 0 20px rgba(0, 229, 255, 0.3);
      --radius: 6px;
    }

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-dark);
      color: var(--text-muted);
      line-height: 1.65;
      background-image: 
        linear-gradient(rgba(16, 23, 38, 0.85), rgba(11, 14, 20, 0.95)),
        radial-gradient(rgba(0, 229, 255, 0.05) 1px, transparent 1px);
      background-size: 100% 100%, 28px 28px;
    }

    a { text-decoration: none; color: inherit; transition: all 0.2s ease; }
    .text-gold { color: var(--hud-gold) !important; }
    .text-cyan { color: var(--hud-cyan) !important; }

    /* Top Bar */
    .top-bar-tactical {
      background: #07090D;
      border-bottom: 1px solid rgba(255,255,255,0.06);
      font-size: 12px;
      padding: 6px 0;
      color: var(--text-dim);
    }
    .status-dot {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background-color: #10B981;
      display: inline-block;
      box-shadow: 0 0 8px #10B981;
    }

    /* Main Nav */
    .navbar-tactical {
      background: rgba(16, 23, 38, 0.88);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-hud);
      position: sticky;
      top: 0;
      z-index: 1000;
    }
    .navbar-brand-badge {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 800;
      color: var(--text-white);
    }
    .brand-icon-box {
      width: 32px;
      height: 32px;
      background: linear-gradient(135deg, var(--hud-gold), #D97706);
      clip-path: polygon(25% 0%, 100% 0%, 75% 100%, 0% 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #000;
      font-weight: 900;
      font-size: 14px;
    }
    .nav-link-custom {
      color: var(--text-muted);
      font-size: 14px;
      font-weight: 600;
      padding: 8px 16px;
      border-radius: var(--radius);
      position: relative;
    }
    .nav-link-custom:hover, .nav-link-custom.active {
      color: var(--hud-gold);
      background: rgba(255, 184, 0, 0.08);
    }
    .nav-link-custom.active::after {
      content: '';
      position: absolute;
      bottom: -1px;
      left: 16px;
      right: 16px;
      height: 2px;
      background: var(--hud-gold);
      box-shadow: var(--gold-glow);
    }

    /* Buttons */
    .btn-hud-gold {
      background: var(--hud-gold);
      color: #000 !important;
      font-weight: 700;
      font-size: 14px;
      border: 1px solid var(--hud-gold);
      border-radius: var(--radius);
      padding: 10px 24px;
      box-shadow: var(--gold-glow);
      transition: all 0.25s ease;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .btn-hud-gold:hover {
      background: #E5A600;
      box-shadow: 0 0 28px rgba(255, 184, 0, 0.6);
      transform: translateY(-2px);
    }
    .btn-hud-outline {
      background: rgba(0, 229, 255, 0.05);
      color: var(--hud-cyan) !important;
      font-weight: 600;
      font-size: 14px;
      border: 1px solid var(--border-hud);
      border-radius: var(--radius);
      padding: 10px 22px;
      transition: all 0.25s ease;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .btn-hud-outline:hover {
      background: rgba(0, 229, 255, 0.15);
      border-color: var(--hud-cyan);
      box-shadow: var(--cyan-glow);
    }

    /* Cards & Containers */
    .tactical-card {
      background: rgba(16, 23, 38, 0.75);
      backdrop-filter: blur(12px);
      border: 1px solid var(--border-hud);
      border-radius: var(--radius);
      padding: 24px;
      position: relative;
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .tactical-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 8px;
      height: 8px;
      border-top: 2px solid var(--hud-cyan);
      border-left: 2px solid var(--hud-cyan);
    }
    .tactical-card:hover {
      border-color: var(--hud-gold);
      transform: translateY(-4px);
      box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4), var(--gold-glow);
    }
    .tactical-card:hover::before {
      border-color: var(--hud-gold);
    }

    .section-wrap {
      padding: 64px 0;
      position: relative;
    }
    .section-alt {
      background: rgba(16, 23, 38, 0.35);
      border-top: 1px solid rgba(255,255,255,0.03);
      border-bottom: 1px solid rgba(255,255,255,0.03);
    }
    .section-tag {
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.1em;
      color: var(--hud-cyan);
      display: inline-block;
      margin-bottom: 8px;
    }
    .section-title {
      font-size: 26px;
      color: var(--text-white);
      margin-bottom: 12px;
      font-weight: 700;
    }

    /* Category Specific Styles */
    .category-header-panel {
      padding: 50px 0 40px;
      background: linear-gradient(180deg, rgba(16, 23, 38, 0.7) 0%, rgba(11, 14, 20, 1) 100%),
                  url('/assets/images/2ee5c2f21167f324.webp') center/cover no-repeat;
      border-bottom: 1px solid var(--border-hud);
      position: relative;
    }
    .hud-terminal-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(0, 229, 255, 0.08);
      border: 1px solid var(--border-hud);
      padding: 4px 14px;
      border-radius: 4px;
      font-size: 13px;
      color: var(--hud-cyan);
      margin-bottom: 18px;
      font-family: monospace;
    }
    .cat-h1-title {
      font-size: clamp(28px, 4vw, 40px);
      font-weight: 800;
      color: var(--text-white);
      line-height: 1.3;
      margin-bottom: 16px;
    }
    .filter-hud-bar {
      background: rgba(22, 32, 51, 0.7);
      border: 1px solid var(--border-hud);
      border-radius: var(--radius);
      padding: 12px 18px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-top: 28px;
    }
    .filter-tags {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
    }
    .filter-btn {
      background: rgba(0, 0, 0, 0.3);
      border: 1px solid rgba(255, 255, 255, 0.1);
      color: var(--text-muted);
      font-size: 13px;
      padding: 4px 12px;
      border-radius: 4px;
      cursor: pointer;
      transition: all 0.2s ease;
    }
    .filter-btn.active, .filter-btn:hover {
      border-color: var(--hud-gold);
      color: var(--hud-gold);
      background: rgba(255, 184, 0, 0.1);
    }

    .card-thumb-wrap {
      width: 100%;
      height: 190px;
      overflow: hidden;
      border-radius: var(--radius);
      margin-bottom: 16px;
      border: 1px solid rgba(255,255,255,0.06);
    }
    .card-thumb-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .tactical-card:hover .card-thumb-wrap img {
      transform: scale(1.04);
    }
    .card-meta-bar {
      display: flex;
      justify-content: space-between;
      font-size: 12px;
      font-family: monospace;
      color: var(--text-dim);
      margin-bottom: 10px;
    }

    /* Radar Mini Cards */
    .radar-card {
      background: rgba(22, 32, 51, 0.5);
      border: 1px solid rgba(0, 229, 255, 0.15);
      border-left: 3px solid var(--hud-gold);
      padding: 18px;
      border-radius: 0 var(--radius) var(--radius) 0;
    }
    .radar-card .radar-index {
      font-family: monospace;
      font-size: 11px;
      color: var(--hud-cyan);
    }
    .radar-card h5 {
      color: var(--text-white);
      font-size: 16px;
      margin: 6px 0;
    }

    /* Step Process Flow */
    .step-track {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 20px;
      position: relative;
    }
    .step-node {
      background: rgba(16, 23, 38, 0.8);
      border: 1px solid var(--border-hud);
      padding: 24px;
      border-radius: var(--radius);
      position: relative;
    }
    .step-badge {
      width: 36px;
      height: 36px;
      background: rgba(0, 229, 255, 0.1);
      border: 1px solid var(--hud-cyan);
      color: var(--hud-cyan);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-family: monospace;
      border-radius: 4px;
      margin-bottom: 16px;
    }

    /* Cross Tags Cloud */
    .cross-tag-item {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 16px;
      background: rgba(31, 41, 61, 0.6);
      border: 1px solid rgba(0, 229, 255, 0.2);
      border-radius: var(--radius);
      color: var(--text-muted);
      font-size: 13px;
      font-family: monospace;
    }
    .cross-tag-item:hover {
      color: var(--hud-cyan);
      border-color: var(--hud-cyan);
      box-shadow: var(--cyan-glow);
    }

    /* FAQ Note Cards */
    .note-card {
      background: rgba(16, 23, 38, 0.7);
      border: 1px dashed var(--border-hud);
      padding: 20px;
      border-radius: var(--radius);
      height: 100%;
    }
    .note-card h5 {
      color: var(--hud-gold);
      font-size: 16px;
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    /* Subscription HUD */
    .subscribe-console {
      background: linear-gradient(135deg, rgba(22, 32, 51, 0.9) 0%, rgba(16, 23, 38, 0.95) 100%);
      border: 1px solid var(--border-gold);
      box-shadow: var(--gold-glow);
      padding: 36px;
      border-radius: var(--radius);
    }

    /* Footer */
    .tactical-footer {
      background: #07090E;
      border-top: 1px solid rgba(0, 229, 255, 0.2);
      padding: 60px 0 30px;
      font-size: 14px;
    }
    .footer-col h5 {
      color: var(--text-white);
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 18px;
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }
    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      color: var(--text-muted);
    }
    .footer-links a:hover {
      color: var(--hud-gold);
      padding-left: 4px;
    }

    @media (max-width: 768px) {
      .hero-title, .cat-h1-title {
        font-size: 26px;
      }
      .filter-hud-bar {
        flex-direction: column;
        align-items: flex-start;
      }
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}