/* roulang page: index */
:root {
      --primary-bg: #121212;
      --secondary-bg: #1C1C1E;
      --card-bg: #1E1E20;
      --gold: #FFBF00;
      --gold-deep: #C5A059;
      --gold-muted: #D4AC0D;
      --text-white: #F5F5F7;
      --text-muted: #A8A29E;
      --border-gold: rgba(197,160,89,0.35);
      --border-light: rgba(245,245,247,0.08);
      --shadow-soft: 0 8px 30px rgba(0,0,0,0.45);
      --shadow-gold: 0 0 18px rgba(255,191,0,0.15);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 22px;
      --transition: all 0.22s ease;
      --font-sans: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    }

    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-sans);
      background-color: var(--primary-bg);
      color: var(--text-white);
      line-height: 1.65;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }

    a:hover {
      color: var(--gold);
    }

    button,
    input,
    textarea {
      font-family: inherit;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 1.5rem;
    }

    .section {
      padding: 4.5rem 0;
    }

    .section-title {
      font-size: 2rem;
      font-weight: 700;
      letter-spacing: -0.01em;
      margin-bottom: 0.75rem;
      color: var(--text-white);
    }

    .section-subtitle {
      font-size: 1.0625rem;
      color: var(--text-muted);
      max-width: 720px;
      line-height: 1.7;
      margin-bottom: 2.5rem;
    }

    /* Header & Navigation */
    .site-header {
      background-color: rgba(18,18,18,0.97);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-gold);
      position: sticky;
      top: 0;
      z-index: 50;
      padding: 0.75rem 0;
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1.5rem;
    }

    .logo {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--gold);
      letter-spacing: -0.01em;
      white-space: nowrap;
      line-height: 1.2;
    }

    .logo span {
      color: var(--text-white);
    }

    .nav-list {
      display: flex;
      align-items: center;
      gap: 1.75rem;
      list-style: none;
      margin: 0;
    }

    .nav-list a {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-muted);
      position: relative;
      padding: 0.25rem 0;
      transition: var(--transition);
    }

    .nav-list a:hover,
    .nav-list a.active {
      color: var(--text-white);
    }

    .nav-list a.active::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: -2px;
      width: 100%;
      height: 2px;
      background: var(--gold);
      border-radius: 2px;
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      margin-left: auto;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      padding: 0.7rem 1.5rem;
      border-radius: 999px;
      font-weight: 600;
      font-size: 0.95rem;
      transition: var(--transition);
      border: none;
      cursor: pointer;
      text-align: center;
      line-height: 1;
      white-space: nowrap;
    }

    .btn:focus {
      outline: 3px solid rgba(255,191,0,0.5);
      outline-offset: 2px;
    }

    .btn-gold {
      background: linear-gradient(135deg, #FFBF00 0%, #D4AC0D 100%);
      color: #121212;
      box-shadow: 0 4px 14px rgba(255,191,0,0.25);
    }

    .btn-gold:hover {
      background: linear-gradient(135deg, #FFD433 0%, #C5A059 100%);
      color: #121212;
      transform: translateY(-1px);
      box-shadow: 0 8px 20px rgba(255,191,0,0.35);
    }

    .btn-outline {
      background: transparent;
      border: 1px solid var(--border-gold);
      color: var(--gold);
    }

    .btn-outline:hover {
      background: rgba(255,191,0,0.08);
      border-color: var(--gold);
      color: var(--gold);
      transform: translateY(-1px);
    }

    .btn-primary {
      background: var(--gold);
      color: #121212;
    }

    .btn-primary:hover {
      background: #FFD433;
      color: #121212;
      transform: translateY(-1px);
    }

    .nav-toggle {
      display: none;
      background: transparent;
      border: 1px solid var(--border-gold);
      color: var(--gold);
      padding: 0.5rem 0.75rem;
      font-size: 1.25rem;
      border-radius: 6px;
      cursor: pointer;
    }

    /* Hero */
    .hero {
      background-image: linear-gradient(rgba(18,18,18,0.92), rgba(18,18,18,0.97)), url('/assets/images/backpic/back-1.png');
      background-size: cover;
      background-position: center;
      padding: 5rem 0 3.5rem;
      border-bottom: 1px solid var(--border-gold);
    }

    .hero-inner {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 3rem;
      align-items: center;
    }

    .hero-content h1 {
      font-size: 2.4rem;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 1.25rem;
      color: var(--text-white);
      letter-spacing: -0.02em;
    }

    .hero-content h1 .highlight {
      color: var(--gold);
    }

    .hero-description {
      font-size: 1.0625rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 2rem;
      max-width: 560px;
    }

    .hero-cta {
      display: flex;
      flex-wrap: wrap;
      gap: 1rem;
      margin-bottom: 2rem;
    }

    .hero-stats {
      display: flex;
      gap: 2rem;
      flex-wrap: wrap;
    }

    .stat-item {
      text-align: left;
    }

    .stat-number {
      font-size: 1.75rem;
      font-weight: 700;
      color: var(--gold);
      line-height: 1.2;
    }

    .stat-label {
      font-size: 0.875rem;
      color: var(--text-muted);
    }

    .hero-board {
      background: rgba(28,28,30,0.85);
      border: 1px solid var(--border-gold);
      border-radius: var(--radius-lg);
      padding: 1.5rem;
      backdrop-filter: blur(8px);
    }

    .board-title {
      font-size: 1.1rem;
      font-weight: 600;
      margin-bottom: 1rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
      color: var(--text-white);
    }

    .board-list {
      list-style: none;
      margin: 0;
    }

    .board-list li {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0.75rem 0;
      border-bottom: 1px solid var(--border-light);
    }

    .board-list li:last-child {
      border-bottom: none;
    }

    .board-rank {
      font-weight: 600;
      color: var(--gold);
      width: 2rem;
    }

    .board-name {
      flex: 1;
      color: var(--text-white);
      font-size: 0.95rem;
    }

    .board-badge {
      background: rgba(255,191,0,0.12);
      color: var(--gold);
      padding: 0.25rem 0.75rem;
      border-radius: 999px;
      font-size: 0.8rem;
      font-weight: 600;
    }

    /* Category chips */
    .category-row {
      display: flex;
      flex-wrap: wrap;
      gap: 0.75rem;
      margin: 2rem 0 0.5rem;
    }

    .chip-card {
      display: inline-block;
      background: var(--card-bg);
      border: 1px solid var(--border-gold);
      border-radius: 999px;
      padding: 0.55rem 1.25rem;
      color: var(--text-white);
      font-weight: 500;
      transition: var(--transition);
    }

    .chip-card:hover {
      background: rgba(255,191,0,0.1);
      border-color: var(--gold);
      color: var(--gold);
      transform: translateY(-2px);
    }

    /* Service cards */
    .grid-cards {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 1.5rem;
    }

    .card {
      background: var(--card-bg);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 1.5rem;
      transition: var(--transition);
    }

    .card:hover {
      border-color: var(--border-gold);
      box-shadow: var(--shadow-gold);
      transform: translateY(-4px);
    }

    .card-icon {
      font-size: 1.75rem;
      color: var(--gold);
      margin-bottom: 1rem;
    }

    .card h3 {
      font-size: 1.15rem;
      font-weight: 600;
      margin-bottom: 0.5rem;
      color: var(--text-white);
    }

    .card p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Comparison section */
    .compare-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1.5rem;
    }

    .compare-box {
      background: var(--card-bg);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 1.5rem;
    }

    .compare-box h4 {
      font-size: 1.1rem;
      font-weight: 600;
      margin-bottom: 1rem;
      color: var(--gold);
    }

    .compare-list {
      list-style: none;
    }

    .compare-list li {
      display: flex;
      align-items: flex-start;
      gap: 0.5rem;
      padding: 0.4rem 0;
      color: var(--text-muted);
      font-size: 0.95rem;
    }

    .compare-list i {
      margin-top: 0.3rem;
      color: var(--gold);
    }

    /* News section */
    .news-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 2rem;
    }

    .news-list {
      display: flex;
      flex-direction: column;
      gap: 1rem;
    }

    .news-item {
      background: var(--card-bg);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 1.25rem;
      transition: var(--transition);
      display: block;
    }

    .news-item:hover {
      border-color: var(--border-gold);
      box-shadow: var(--shadow-gold);
    }

    .news-item h3 {
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--text-white);
      margin-bottom: 0.5rem;
    }

    .news-item p {
      color: var(--text-muted);
      font-size: 0.9rem;
      line-height: 1.5;
      margin-bottom: 0.5rem;
    }

    .news-meta {
      display: flex;
      gap: 1rem;
      font-size: 0.8rem;
      color: var(--gold-muted);
    }

    .news-side {
      background: var(--card-bg);
      border: 1px solid var(--border-gold);
      border-radius: var(--radius-lg);
      padding: 1.5rem;
      height: fit-content;
    }

    .news-side h4 {
      font-size: 1rem;
      font-weight: 600;
      margin-bottom: 1rem;
      color: var(--text-white);
    }

    .hot-list {
      list-style: none;
    }

    .hot-list li {
      padding: 0.6rem 0;
      border-bottom: 1px solid var(--border-light);
      display: flex;
      align-items: center;
      gap: 0.75rem;
    }

    .hot-list li:last-child {
      border-bottom: none;
    }

    .hot-list i {
      color: var(--gold);
    }

    /* Trust badges */
    .badge-row {
      display: flex;
      flex-wrap: wrap;
      gap: 1rem;
      justify-content: space-between;
    }

    .badge-item {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      background: var(--card-bg);
      border: 1px solid var(--border-light);
      border-radius: 999px;
      padding: 0.6rem 1.25rem;
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    .badge-item i {
      color: var(--gold);
    }

    /* FAQ */
    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 1rem;
    }

    .faq-item {
      background: var(--card-bg);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 1rem 1.25rem;
    }

    .faq-question {
      font-size: 1rem;
      font-weight: 600;
      color: var(--text-white);
      width: 100%;
      text-align: left;
      background: none;
      border: none;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 1rem;
    }

    .faq-answer {
      margin-top: 0.75rem;
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.65;
    }

    .faq-icon {
      color: var(--gold);
      transition: transform 0.2s;
    }

    /* CTA form */
    .cta-form {
      background: linear-gradient(135deg, rgba(197,160,89,0.12), rgba(18,18,18,0.98));
      border: 1px solid var(--border-gold);
      border-radius: var(--radius-lg);
      padding: 2.5rem;
    }

    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1rem;
      margin-top: 1.5rem;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 0.5rem;
    }

    .form-group label {
      font-size: 0.9rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    .form-group input {
      background: #1E1E20;
      border: 1px solid var(--border-light);
      border-radius: 8px;
      padding: 0.75rem 1rem;
      color: var(--text-white);
      transition: var(--transition);
    }

    .form-group input:focus {
      outline: none;
      border-color: var(--gold);
      box-shadow: 0 0 0 3px rgba(255,191,0,0.15);
    }

    .form-submit {
      grid-column: span 2;
    }

    /* Footer */
    .site-footer {
      background-color: #0D0D0D;
      border-top: 1px solid var(--border-gold);
      padding: 3rem 0 2rem;
      margin-top: 2rem;
    }

    .footer-inner {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr;
      gap: 2.5rem;
      margin-bottom: 2rem;
    }

    .footer-brand .logo {
      font-size: 1.15rem;
      margin-bottom: 0.5rem;
    }

    .footer-brand p {
      color: var(--text-muted);
      font-size: 0.9rem;
      line-height: 1.6;
      max-width: 300px;
    }

    .footer-col h5 {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-white);
      margin-bottom: 1rem;
    }

    .footer-col ul {
      list-style: none;
    }

    .footer-col li {
      margin-bottom: 0.5rem;
    }

    .footer-col a {
      color: var(--text-muted);
      font-size: 0.9rem;
    }

    .footer-col a:hover {
      color: var(--gold);
    }

    .copyright {
      text-align: center;
      color: var(--text-muted);
      font-size: 0.85rem;
      border-top: 1px solid var(--border-light);
      padding-top: 1.5rem;
    }

    /* FAB */
    .fab {
      position: fixed;
      left: 1rem;
      bottom: 6rem;
      z-index: 60;
      width: 52px;
      height: 52px;
      border-radius: 50%;
      background: rgba(18,18,18,0.85);
      border: 2px solid var(--gold);
      backdrop-filter: blur(8px);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--gold);
      box-shadow: 0 4px 20px rgba(255,191,0,0.3);
      cursor: pointer;
      opacity: 0.7;
      transition: var(--transition);
      text-decoration: none;
    }

    .fab:hover {
      opacity: 1;
      transform: scale(1.1);
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .hero-inner {
        grid-template-columns: 1fr;
        gap: 2rem;
      }
      .hero-content h1 {
        font-size: 2rem;
      }
      .news-grid {
        grid-template-columns: 1fr;
      }
      .footer-inner {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .header-inner {
        flex-wrap: wrap;
      }
      .nav-list {
        display: none;
        width: 100%;
        flex-direction: column;
        gap: 0.75rem;
        padding: 1rem 0;
      }
      .nav-list.mobile-open {
        display: flex;
      }
      .nav-toggle {
        display: block;
      }
      .nav-actions {
        margin-left: 0;
      }
      .hero {
        padding: 3rem 0 2.5rem;
      }
      .hero-content h1 {
        font-size: 1.75rem;
      }
      .section {
        padding: 3rem 0;
      }
      .compare-grid {
        grid-template-columns: 1fr;
      }
      .form-grid {
        grid-template-columns: 1fr;
      }
      .form-submit {
        grid-column: span 1;
      }
      .footer-inner {
        grid-template-columns: 1fr;
        gap: 1.5rem;
      }
      .badge-row {
        justify-content: flex-start;
      }
    }

    @media (max-width: 520px) {
      .container {
        padding: 0 1rem;
      }
      .hero-content h1 {
        font-size: 1.5rem;
      }
      .btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
      }
      .nav-actions .btn {
        padding: 0.5rem 1rem;
      }
      .section-title {
        font-size: 1.6rem;
      }
    }

/* roulang page: category1 */
:root {
            --primary-deep: #0A2E1C;
            --primary-forest: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-muted: #88A69A;
            --bg-dark: #061B10;
            --border-gold: rgba(255, 215, 0, 0.35);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.15);
            --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.45);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --radius-pill: 50px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            background: var(--primary-deep);
            color: var(--text-white);
            line-height: 1.65;
            font-size: 16px;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--accent-gold);
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover,
        a:focus {
            color: #FFF1A8;
            outline: none;
        }

        button:focus,
        a:focus-visible {
            outline: 2px solid var(--accent-gold);
            outline-offset: 2px;
        }

        ul,
        ol {
            list-style: none;
        }

        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            line-height: 1.3;
            margin: 0 0 0.75rem;
        }

        h1 {
            font-size: clamp(1.75rem, 3.5vw, 2.5rem);
        }

        h2 {
            font-size: clamp(1.4rem, 2.8vw, 1.95rem);
        }

        h3 {
            font-size: clamp(1.1rem, 2vw, 1.35rem);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }

        /* Header */
        .site-header {
            background: rgba(6, 27, 16, 0.95);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-gold);
            position: sticky;
            top: 0;
            z-index: 60;
            transition: background var(--transition);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            min-height: 68px;
            flex-wrap: wrap;
        }

        .logo {
            font-size: 1.2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-white);
            display: flex;
            align-items: center;
            gap: 0.35rem;
            white-space: nowrap;
        }

        .logo span {
            color: var(--accent-gold);
        }

        .logo i {
            color: var(--accent-gold);
            font-size: 1.1rem;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 0.15rem;
            flex-wrap: wrap;
        }

        .nav-list a {
            display: inline-block;
            padding: 0.5rem 0.9rem;
            border-radius: var(--radius-pill);
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-mint);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .nav-list a:hover {
            color: var(--text-white);
            background: rgba(255, 215, 0, 0.08);
        }

        .nav-list a.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.1);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            font-size: 1.3rem;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(255, 215, 0, 0.1);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.65rem 1.4rem;
            border-radius: var(--radius-pill);
            font-size: 0.88rem;
            font-weight: 700;
            border: 1px solid transparent;
            cursor: pointer;
            text-decoration: none;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-gold {
            background: linear-gradient(135deg, #FFD700, #F0A500);
            color: #0A2E1C;
            border-color: #FFD700;
            box-shadow: 0 4px 14px rgba(255, 215, 0, 0.25);
        }

        .btn-gold:hover {
            background: linear-gradient(135deg, #FFE44D, #FFC000);
            color: #061B10;
            transform: translateY(-1px);
            box-shadow: 0 8px 22px rgba(255, 215, 0, 0.35);
        }

        .btn-outline {
            background: transparent;
            color: var(--text-mint);
            border-color: rgba(255, 215, 0, 0.4);
        }

        .btn-outline:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.05);
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 25%, #1A1A1A, #0D0D0D);
            border: 2px solid var(--accent-gold);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0.7;
            animation: fabFloat 3s ease-in-out infinite;
            transition: all var(--transition);
            text-decoration: none;
        }

        .fab-left i {
            font-size: 1.5rem;
            color: var(--accent-gold);
            animation: fabSpin 8s linear infinite;
        }

        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.5);
        }

        .fab-left:active {
            transform: scale(0.95) translateY(2px);
        }

        .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #E53935;
            border-radius: 50%;
            border: 2px solid #0D0D0D;
            animation: fabBlink 1.8s ease-in-out infinite;
        }

        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }

        @keyframes fabSpin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        @keyframes fabBlink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        /* Hero */
        .hero-section {
            background: radial-gradient(ellipse at 30% 20%, #123E25 0%, var(--primary-deep) 55%, #061B10 100%);
            padding: 3.5rem 0 3rem;
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.12;
            pointer-events: none;
            z-index: 0;
        }

        .hero-inner {
            position: relative;
            z-index: 1;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid rgba(255, 215, 0, 0.3);
            padding: 0.4rem 1rem;
            border-radius: var(--radius-pill);
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }

        .hero-badge i {
            font-size: 0.9rem;
        }

        .hero-title {
            font-size: clamp(1.9rem, 4.5vw, 3rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 1rem;
            color: var(--text-white);
        }

        .hero-title em {
            color: var(--accent-gold);
            font-style: normal;
        }

        .hero-sub {
            font-size: 1.05rem;
            color: var(--text-mint);
            max-width: 720px;
            margin-bottom: 1.5rem;
            line-height: 1.65;
        }

        .hero-status-bar {
            display: flex;
            align-items: center;
            gap: 1rem;
            background: rgba(6, 27, 16, 0.75);
            border: 1px solid rgba(255, 215, 0, 0.22);
            padding: 0.75rem 1.25rem;
            border-radius: var(--radius-md);
            margin-bottom: 1.75rem;
            flex-wrap: wrap;
        }

        .status-dot {
            width: 10px;
            height: 10px;
            background: #32CD32;
            border-radius: 50%;
            animation: statusPulse 2s ease-in-out infinite;
        }

        @keyframes statusPulse {
            0%, 100% { box-shadow: 0 0 0 0 rgba(50, 205, 50, 0.6); }
            50% { box-shadow: 0 0 0 8px rgba(50, 205, 50, 0); }
        }

        .status-text {
            font-size: 0.85rem;
            color: var(--text-mint);
            font-weight: 500;
        }

        .status-text strong {
            color: var(--accent-gold);
        }

        .hero-icons {
            display: flex;
            gap: 1.25rem;
            flex-wrap: wrap;
            margin-top: 0.5rem;
        }

        .hero-icon-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: color var(--transition);
            cursor: default;
        }

        .hero-icon-item i {
            font-size: 1.1rem;
            color: var(--accent-gold);
        }

        /* Main Sections */
        .main-content {
            padding: 2.5rem 0 3rem;
        }

        .section-block {
            margin-bottom: 3rem;
        }

        .section-block:last-child {
            margin-bottom: 0;
        }

        .section-heading {
            margin-bottom: 1.5rem;
        }

        .section-heading h2 {
            color: var(--text-white);
            margin-bottom: 0.5rem;
        }

        .section-heading p {
            color: var(--text-muted);
            font-size: 0.95rem;
            max-width: 720px;
        }

        /* Stats Dashboard */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1rem;
            margin-bottom: 2rem;
        }

        .stat-card {
            background: rgba(18, 62, 37, 0.5);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-md);
            padding: 1.25rem 1.5rem;
            transition: all var(--transition);
        }

        .stat-card:hover {
            border-color: rgba(255, 215, 0, 0.45);
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        .stat-value {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 0.25rem;
        }

        .stat-label {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 1.25rem;
        }

        .step-card {
            background: rgba(6, 27, 16, 0.6);
            border: 1px solid rgba(255, 215, 0, 0.18);
            border-radius: var(--radius-md);
            padding: 1.5rem 1.25rem;
            position: relative;
            transition: all var(--transition);
        }

        .step-card:hover {
            border-color: rgba(255, 215, 0, 0.5);
            box-shadow: var(--shadow-gold);
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, #FFD700, #F0A500);
            color: #0A2E1C;
            border-radius: 50%;
            font-weight: 800;
            font-size: 1rem;
            margin-bottom: 0.75rem;
        }

        .step-card h3 {
            font-size: 1.05rem;
            color: var(--text-white);
            margin-bottom: 0.5rem;
        }

        .step-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* Service Matrix */
        .service-matrix {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.25rem;
            margin-bottom: 2rem;
        }

        .service-item {
            background: rgba(18, 62, 37, 0.4);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            border: 1px solid rgba(255, 215, 0, 0.15);
            display: flex;
            gap: 1rem;
            align-items: flex-start;
            transition: all var(--transition);
        }

        .service-item:hover {
            border-color: rgba(255, 215, 0, 0.4);
            background: rgba(18, 62, 37, 0.6);
        }

        .service-icon {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: rgba(255, 215, 0, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent-gold);
        }

        .service-item h3 {
            font-size: 1rem;
            margin-bottom: 0.4rem;
            color: var(--text-white);
        }

        .service-item p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* Comparison */
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.25rem;
        }

        .compare-card {
            background: rgba(6, 27, 16, 0.6);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            border: 1px solid rgba(255, 215, 0, 0.18);
        }

        .compare-card.highlight {
            border-color: rgba(255, 215, 0, 0.5);
            background: rgba(255, 215, 0, 0.05);
        }

        .compare-card h3 {
            font-size: 1.05rem;
            color: var(--accent-gold);
            margin-bottom: 0.75rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .compare-card h3 i {
            font-size: 1rem;
        }

        .compare-list {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .compare-list li {
            font-size: 0.88rem;
            color: var(--text-mint);
            display: flex;
            align-items: flex-start;
            gap: 0.5rem;
            line-height: 1.55;
        }

        .compare-list li i.fa-check {
            color: #32CD32;
            margin-top: 0.2rem;
        }

        .compare-list li i.fa-xmark {
            color: #E53935;
            margin-top: 0.2rem;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .faq-item {
            background: rgba(6, 27, 16, 0.55);
            border: 1px solid rgba(255, 215, 0, 0.18);
            border-radius: var(--radius-md);
            padding: 1.25rem 1.5rem;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(255, 215, 0, 0.4);
        }

        .faq-item h3 {
            font-size: 0.98rem;
            color: var(--text-white);
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .faq-item h3 i {
            color: var(--accent-gold);
            font-size: 0.9rem;
        }

        .faq-item p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #123E25 0%, #0A2E1C 50%, #061B10 100%);
            border: 1px solid rgba(255, 215, 0, 0.25);
            border-radius: var(--radius-lg);
            padding: 2.5rem 2rem;
            text-align: center;
            margin-bottom: 3rem;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.08;
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            max-width: 720px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            color: var(--text-white);
            margin-bottom: 0.75rem;
            font-size: clamp(1.5rem, 3vw, 2.1rem);
        }

        .cta-inner p {
            color: var(--text-mint);
            font-size: 0.95rem;
            margin-bottom: 1.75rem;
        }

        .cta-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.75rem;
            flex-wrap: wrap;
        }

        .btn-lg {
            padding: 0.85rem 2rem;
            font-size: 1rem;
        }

        /* Form */
        .form-wrapper {
            max-width: 520px;
            margin: 0 auto;
        }

        .form-field {
            margin-bottom: 1rem;
            text-align: left;
        }

        .form-field label {
            display: block;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--text-mint);
            margin-bottom: 0.35rem;
        }

        .form-field input {
            width: 100%;
            padding: 0.7rem 1rem;
            background: rgba(6, 27, 16, 0.7);
            border: 1px solid rgba(255, 215, 0, 0.25);
            border-radius: var(--radius-sm);
            color: var(--text-white);
            font-size: 0.9rem;
            transition: all var(--transition);
        }

        .form-field input:focus {
            outline: none;
            border-color: var(--accent-gold);
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.15);
        }

        .form-field input::placeholder {
            color: var(--text-muted);
        }

        /* Footer */
        .site-footer {
            background: #061B10;
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            padding: 2.5rem 0 1.5rem;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-brand .logo {
            font-size: 1.1rem;
            margin-bottom: 0.75rem;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.65;
        }

        .footer-col h5 {
            font-size: 0.95rem;
            color: var(--accent-gold);
            margin-bottom: 0.75rem;
            font-weight: 700;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 0.45rem;
        }

        .footer-col ul a {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: color var(--transition);
        }

        .footer-col ul a:hover {
            color: var(--accent-gold);
        }

        .copyright {
            border-top: 1px solid rgba(255, 215, 0, 0.12);
            padding-top: 1.25rem;
            text-align: center;
        }

        .copyright p {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .header-inner {
                gap: 0.5rem;
            }

            .nav-list a {
                padding: 0.45rem 0.7rem;
                font-size: 0.82rem;
            }

            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: nowrap;
                min-height: 60px;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-list {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #061B10;
                flex-direction: column;
                padding: 1rem;
                gap: 0.35rem;
                border-bottom: 1px solid rgba(255, 215, 0, 0.2);
                z-index: 70;
            }

            .nav-list.open {
                display: flex;
            }

            .nav-list a {
                padding: 0.7rem 1rem;
                font-size: 0.9rem;
                width: 100%;
                border-radius: var(--radius-sm);
            }

            .nav-actions .btn-outline {
                display: inline-flex;
            }

            .nav-actions .btn-gold {
                display: inline-flex;
                padding: 0.55rem 0.9rem;
                font-size: 0.78rem;
            }

            .hero-section {
                padding: 2.5rem 0 2rem;
            }

            .hero-status-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.5rem;
            }

            .compare-grid {
                grid-template-columns: 1fr;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .steps-grid {
                grid-template-columns: 1fr;
            }

            .service-matrix {
                grid-template-columns: 1fr;
            }

            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .fab-left {
                bottom: 5rem;
                left: 0.75rem;
                width: 50px;
                height: 50px;
            }

            .fab-left i {
                font-size: 1.3rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 0.9rem;
            }

            .logo {
                font-size: 1rem;
            }

            .nav-actions .btn-outline {
                font-size: 0.75rem;
                padding: 0.5rem 0.75rem;
            }

            .nav-actions .btn-gold {
                font-size: 0.75rem;
                padding: 0.5rem 0.75rem;
            }

            .hero-title {
                font-size: 1.65rem;
            }

            .hero-sub {
                font-size: 0.9rem;
            }

            .stats-grid {
                grid-template-columns: 1fr;
            }

            .stat-card {
                padding: 1rem;
            }

            .stat-value {
                font-size: 1.4rem;
            }

            .cta-section {
                padding: 1.75rem 1.25rem;
            }

            .cta-actions {
                flex-direction: column;
                width: 100%;
            }

            .cta-actions .btn {
                width: 100%;
            }

            .faq-item {
                padding: 1rem;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-card: #0F3523;
            --bg-card-alt: #0B3320;
            --accent-gold: #FFD700;
            --accent-gold-soft: #FFC107;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-muted: rgba(209, 242, 235, 0.7);
            --text-dim: rgba(209, 242, 235, 0.5);
            --border-gold: rgba(255, 215, 0, 0.35);
            --border-gold-strong: rgba(255, 215, 0, 0.6);
            --border-dark: rgba(255, 255, 255, 0.08);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.25);
            --shadow-deep: 0 16px 48px rgba(0, 0, 0, 0.5);
            --font-family: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            background: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.65;
            font-size: 16px;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-family);
            font-size: inherit;
        }

        button:focus,
        a:focus,
        input:focus {
            outline: 2px solid var(--accent-gold);
            outline-offset: 2px;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-narrow {
            max-width: 860px;
        }

        /* ========== HEADER / NAVIGATION ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-gold);
            padding: 14px 0;
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(7, 37, 23, 0.97);
            padding: 10px 0;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .logo {
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-white);
            white-space: nowrap;
            line-height: 1.2;
        }

        .logo span {
            color: var(--accent-gold);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            border-radius: var(--radius-sm);
            padding: 8px 14px;
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(255, 215, 0, 0.1);
            border-color: var(--accent-gold);
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            justify-content: center;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .nav-list::-webkit-scrollbar {
            display: none;
        }

        .nav-list a {
            padding: 9px 16px;
            border-radius: 50px;
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--text-mint);
            white-space: nowrap;
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .nav-list a:hover {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }

        .nav-list a.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.12);
            border-color: var(--border-gold);
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid transparent;
            line-height: 1.2;
            white-space: nowrap;
        }

        .btn:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
        }

        .btn:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-outline {
            background: transparent;
            color: var(--text-white);
            border-color: rgba(255, 255, 255, 0.3);
        }

        .btn-outline:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.06);
        }

        .btn-gold {
            background: linear-gradient(135deg, #FFD700, #F5A623);
            color: #0A2E1C;
            border-color: var(--accent-gold);
            font-weight: 700;
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.3);
        }

        .btn-gold:hover {
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.4);
            background: linear-gradient(135deg, #FFE033, #FFB830);
        }

        .btn-red {
            background: linear-gradient(135deg, #D32F2F, #B71C1C);
            color: #fff;
            border-color: var(--accent-red);
            box-shadow: 0 4px 16px rgba(211, 47, 47, 0.3);
        }

        .btn-red:hover {
            box-shadow: 0 8px 28px rgba(211, 47, 47, 0.45);
            background: linear-gradient(135deg, #E53935, #C62828);
        }

        .btn-large {
            padding: 14px 32px;
            font-size: 1.05rem;
        }

        .btn-block {
            width: 100%;
        }

        /* ========== ARTICLE HERO ========== */
        .article-hero {
            position: relative;
            padding: 120px 0 40px;
            background: linear-gradient(180deg, #0B3320 0%, #0A2E1C 40%, var(--bg-primary) 100%);
            border-bottom: 1px solid var(--border-dark);
            overflow: hidden;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            top: -20%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        .article-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(211, 47, 47, 0.04) 0%, transparent 70%);
            pointer-events: none;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 0.82rem;
            color: var(--text-dim);
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }

        .breadcrumb a {
            color: var(--text-muted);
            transition: var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--accent-gold);
        }

        .breadcrumb span {
            color: var(--accent-gold);
        }

        .breadcrumb i {
            font-size: 0.6rem;
            color: var(--text-dim);
        }

        .article-hero-content {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            align-items: start;
        }

        .article-hero-main h1 {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .article-hero-main .article-excerpt {
            font-size: 1.08rem;
            color: var(--text-mint);
            line-height: 1.7;
            margin-bottom: 20px;
            max-width: 680px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta i {
            color: var(--accent-gold);
            font-size: 0.85rem;
        }

        .article-meta .tag-category {
            padding: 4px 14px;
            border-radius: 50px;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            font-weight: 600;
            font-size: 0.8rem;
        }

        .article-hero-side {
            position: relative;
            z-index: 1;
        }

        .article-hero-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-gold);
            padding: 24px;
            box-shadow: var(--shadow-card);
            position: sticky;
            top: 100px;
        }

        .article-hero-card .promo-sticker {
            display: inline-block;
            background: linear-gradient(135deg, #FFD700, #FF9F00);
            color: #0A2E1C;
            font-weight: 800;
            font-size: 0.8rem;
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .article-hero-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 10px;
        }

        .article-hero-card p {
            font-size: 0.88rem;
            color: var(--text-mint);
            margin-bottom: 16px;
            line-height: 1.6;
        }

        .article-hero-card .code-display {
            background: rgba(0, 0, 0, 0.35);
            border: 1px dashed var(--accent-gold);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            font-family: 'Courier New', monospace;
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--accent-gold);
            text-align: center;
            margin-bottom: 14px;
            letter-spacing: 0.08em;
        }

        /* ========== METRICS DASHBOARD ========== */
        .metrics-section {
            padding: 40px 0 20px;
            background: var(--bg-primary);
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .metric-item {
            text-align: center;
            padding: 24px 18px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-dark);
            transition: var(--transition);
        }

        .metric-item:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-3px);
        }

        .metric-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 4px;
            line-height: 1.2;
        }

        .metric-label {
            font-size: 0.83rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* ========== ARTICLE CONTENT ========== */
        .article-content-section {
            padding: 40px 0 50px;
            background: var(--bg-primary);
        }

        .article-content-wrapper {
            max-width: 860px;
            margin: 0 auto;
        }

        .article-body {
            font-size: 1.05rem;
            line-height: 1.75;
            color: var(--text-mint);
        }

        .article-body h2,
        .article-body h3,
        .article-body h4 {
            color: var(--text-white);
            font-weight: 700;
            margin: 32px 0 16px;
            line-height: 1.3;
        }

        .article-body h2 {
            font-size: 1.6rem;
            border-left: 4px solid var(--accent-gold);
            padding-left: 16px;
        }

        .article-body h3 {
            font-size: 1.3rem;
        }

        .article-body p {
            margin-bottom: 18px;
        }

        .article-body ul,
        .article-body ol {
            margin-bottom: 18px;
            padding-left: 24px;
        }

        .article-body li {
            margin-bottom: 8px;
        }

        .article-body img {
            border-radius: var(--radius-md);
            margin: 20px 0;
            box-shadow: var(--shadow-card);
        }

        .article-body blockquote {
            background: var(--bg-card);
            border-left: 3px solid var(--accent-gold);
            padding: 18px 22px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin-bottom: 20px;
            color: var(--text-mint);
            font-style: italic;
        }

        .article-body a {
            color: var(--accent-gold);
            text-decoration: underline;
            text-decoration-color: rgba(255, 215, 0, 0.4);
        }

        .article-body a:hover {
            color: #FFE033;
            text-decoration-color: var(--accent-gold);
        }

        .article-not-found {
            text-align: center;
            padding: 60px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-gold);
        }

        .article-not-found i {
            font-size: 3rem;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }

        .article-not-found h2 {
            font-size: 1.5rem;
            margin-bottom: 12px;
            color: var(--text-white);
        }

        .article-not-found p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        /* ========== PARAMETER TABLE ========== */
        .param-section {
            padding: 50px 0;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-dark);
            border-bottom: 1px solid var(--border-dark);
        }

        .section-title-wrap {
            margin-bottom: 32px;
        }

        .section-title-wrap .section-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-gold);
            margin-bottom: 8px;
        }

        .section-title-wrap h2 {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 8px;
            line-height: 1.25;
        }

        .section-title-wrap p {
            color: var(--text-muted);
            font-size: 0.98rem;
            max-width: 600px;
        }

        .param-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-gold);
            background: var(--bg-card);
            box-shadow: var(--shadow-card);
        }

        .param-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 560px;
        }

        .param-table th,
        .param-table td {
            padding: 16px 20px;
            text-align: left;
            border-bottom: 1px solid var(--border-dark);
            font-size: 0.93rem;
        }

        .param-table th {
            background: rgba(255, 215, 0, 0.08);
            color: var(--accent-gold);
            font-weight: 700;
            white-space: nowrap;
            width: 35%;
        }

        .param-table td {
            color: var(--text-mint);
        }

        .param-table tr:last-child th,
        .param-table tr:last-child td {
            border-bottom: none;
        }

        .param-table tr:hover td {
            background: rgba(255, 215, 0, 0.03);
        }

        .param-table .highlight-value {
            color: var(--accent-gold);
            font-weight: 700;
        }

        /* ========== SCREENSHOT CAROUSEL ========== */
        .screenshot-section {
            padding: 60px 0;
            background: var(--bg-primary);
        }

        .orbit {
            margin-top: 24px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-deep);
            border: 1px solid var(--border-gold);
        }

        .orbit-image {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
            border-radius: 0;
        }

        .orbit-caption {
            background: rgba(10, 46, 28, 0.85);
            backdrop-filter: blur(8px);
            padding: 14px 20px;
            font-size: 0.9rem;
            color: var(--text-mint);
            font-weight: 500;
        }

        .orbit-bullets {
            padding: 12px 0;
            text-align: center;
        }

        .orbit-bullets button {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.3);
            border: none;
            margin: 0 4px;
            cursor: pointer;
            transition: var(--transition);
        }

        .orbit-bullets button.is-active {
            background: var(--accent-gold);
            transform: scale(1.3);
        }

        .orbit-previous,
        .orbit-next {
            color: var(--text-white);
            background: rgba(10, 46, 28, 0.7);
            border-radius: 50%;
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            border: 1px solid var(--border-gold);
        }

        .orbit-previous:hover,
        .orbit-next:hover {
            background: rgba(255, 215, 0, 0.2);
            color: var(--accent-gold);
        }

        .orbit-controls {
            position: absolute;
            top: 50%;
            left: 0;
            right: 0;
            transform: translateY(-50%);
            pointer-events: none;
        }

        .orbit-controls button {
            pointer-events: auto;
            position: absolute;
        }

        .orbit-previous {
            left: 16px;
        }

        .orbit-next {
            right: 16px;
        }

        /* ========== COMPARISON TABLE ========== */
        .comparison-section {
            padding: 50px 0;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-dark);
        }

        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-top: 28px;
        }

        .comparison-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 26px;
            border: 1px solid var(--border-dark);
            transition: var(--transition);
        }

        .comparison-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-card);
        }

        .comparison-card.featured {
            border-color: var(--accent-gold);
            background: linear-gradient(160deg, #123E25 0%, #0F3523 60%, #0B3320 100%);
            position: relative;
        }

        .comparison-card .badge-featured {
            position: absolute;
            top: -12px;
            right: 20px;
            background: linear-gradient(135deg, #FFD700, #FF9F00);
            color: #0A2E1C;
            font-weight: 800;
            font-size: 0.72rem;
            padding: 4px 14px;
            border-radius: 50px;
            letter-spacing: 0.03em;
        }

        .comparison-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 6px;
        }

        .comparison-card .comparison-sub {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 18px;
        }

        .comparison-list {
            list-style: none;
            padding: 0;
        }

        .comparison-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-dark);
            font-size: 0.92rem;
            color: var(--text-mint);
        }

        .comparison-list li:last-child {
            border-bottom: none;
        }

        .comparison-list i {
            color: var(--accent-gold);
            margin-top: 3px;
            font-size: 0.85rem;
        }

        .comparison-list i.fa-xmark {
            color: var(--accent-red);
        }

        /* ========== DOWNLOAD / CTA BAR ========== */
        .cta-bar-section {
            padding: 50px 0;
            background: var(--bg-primary);
        }

        .cta-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
            background: linear-gradient(135deg, #123E25 0%, #0F3523 50%, #0B3320 100%);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 32px 36px;
            box-shadow: var(--shadow-deep);
        }

        .cta-bar-left h2 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 6px;
        }

        .cta-bar-left p {
            color: var(--text-mint);
            font-size: 0.95rem;
            max-width: 520px;
        }

        .cta-bar-right {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ========== FAQ SECTION ========== */
        .faq-section {
            padding: 60px 0;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-dark);
        }

        .accordion {
            margin-top: 28px;
            list-style: none;
            padding: 0;
        }

        .accordion-item {
            margin-bottom: 12px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-dark);
            background: var(--bg-card);
            overflow: hidden;
            transition: var(--transition);
        }

        .accordion-item:hover {
            border-color: var(--border-gold);
        }

        .accordion-title {
            display: block;
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-white);
            cursor: pointer;
            transition: var(--transition);
            position: relative;
            padding-right: 50px;
        }

        .accordion-title::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            right: 24px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--accent-gold);
            font-size: 0.8rem;
            transition: var(--transition);
        }

        .accordion-title:hover {
            color: var(--accent-gold);
        }

        .accordion-item.is-active .accordion-title::after {
            transform: translateY(-50%) rotate(180deg);
        }

        .accordion-content {
            padding: 0 24px 18px;
            color: var(--text-mint);
            font-size: 0.93rem;
            line-height: 1.7;
            display: none;
        }

        .accordion-item.is-active .accordion-content {
            display: block;
        }

        /* ========== CTA FORM SECTION ========== */
        .cta-form-section {
            padding: 60px 0 80px;
            background: var(--bg-primary);
        }

        .cta-form-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-gold);
            padding: 40px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
            box-shadow: var(--shadow-deep);
        }

        .cta-form-copy h2 {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
        }

        .cta-form-copy p {
            color: var(--text-mint);
            font-size: 0.98rem;
            margin-bottom: 20px;
        }

        .cta-form-copy .benefit-list {
            list-style: none;
            padding: 0;
        }

        .cta-form-copy .benefit-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
            color: var(--text-mint);
            font-size: 0.92rem;
        }

        .cta-form-copy .benefit-list i {
            color: var(--accent-gold);
            font-size: 0.9rem;
        }

        .cta-form {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .cta-form input {
            background: rgba(0, 0, 0, 0.3);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-sm);
            padding: 14px 18px;
            color: var(--text-white);
            font-size: 0.95rem;
            transition: var(--transition);
        }

        .cta-form input::placeholder {
            color: var(--text-dim);
        }

        .cta-form input:focus {
            border-color: var(--accent-gold);
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.15);
        }

        .cta-form .form-note {
            font-size: 0.78rem;
            color: var(--text-dim);
            text-align: center;
        }

        /* ========== FAB ========== */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 90;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 25%, #FFE982, #D4A017 50%, #8B6B00 100%);
            border: 2px solid var(--accent-gold);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            opacity: 0.75;
            transition: var(--transition);
            animation: fab-breathe 3s ease-in-out infinite;
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.4);
            animation-play-state: paused;
        }

        .fab:active {
            transform: scale(0.95);
        }

        .fab .fab-icon {
            font-size: 1.25rem;
            color: #0A2E1C;
            transition: var(--transition);
        }

        .fab:hover .fab-icon {
            transform: rotate(360deg);
        }

        .fab .fab-dot {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #D32F2F;
            border: 2px solid #fff;
            animation: fab-blink 1.6s ease-in-out infinite;
        }

        @keyframes fab-breathe {
            0%, 100% { transform: scale(1); opacity: 0.75; }
            50% { transform: scale(0.97); opacity: 0.9; }
        }

        @keyframes fab-blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        /* ========== RELATED POSTS ========== */
        .related-section {
            padding: 50px 0;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-dark);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 28px;
        }

        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-dark);
            transition: var(--transition);
            display: block;
        }

        .related-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-card);
            transform: translateY(-4px);
        }

        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .related-card-body {
            padding: 18px 20px;
        }

        .related-card-body h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .related-card-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #072517;
            border-top: 1px solid var(--border-gold);
            padding: 50px 0 24px;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 30px;
        }

        .footer-brand .logo {
            font-size: 1.3rem;
            margin-bottom: 12px;
            display: inline-block;
        }

        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-muted);
            max-width: 320px;
            line-height: 1.65;
        }

        .footer-col h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
        }

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

        .footer-col a {
            color: var(--text-mint);
            font-size: 0.88rem;
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: var(--accent-gold);
            padding-left: 4px;
        }

        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid var(--border-dark);
            font-size: 0.8rem;
            color: var(--text-dim);
        }

        .copyright p {
            margin: 0;
        }

        .copyright a {
            color: var(--accent-gold);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .article-hero-content {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .article-hero-side {
                max-width: 400px;
            }
            .article-hero-card {
                position: static;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-form-card {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .comparison-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                gap: 10px;
            }
            .nav-toggle {
                display: block;
            }
            .nav-list {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(10, 46, 28, 0.98);
                backdrop-filter: blur(16px);
                padding: 16px 20px;
                flex-direction: column;
                gap: 4px;
                border-bottom: 1px solid var(--border-gold);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list a {
                padding: 12px 16px;
                width: 100%;
                text-align: left;
                border-radius: var(--radius-sm);
            }
            .nav-actions {
                gap: 6px;
            }
            .nav-actions .btn {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .article-hero {
                padding: 100px 0 30px;
            }
            .article-hero-main h1 {
                font-size: 1.6rem;
            }
            .article-hero-main .article-excerpt {
                font-size: 0.95rem;
            }
            .section-title-wrap h2 {
                font-size: 1.35rem;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .metric-number {
                font-size: 1.5rem;
            }
            .metric-item {
                padding: 18px 12px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .cta-bar {
                flex-direction: column;
                text-align: center;
                padding: 24px;
                gap: 18px;
            }
            .cta-bar-left h2 {
                font-size: 1.25rem;
            }
            .cta-bar-right {
                justify-content: center;
            }
            .cta-form-card {
                padding: 24px;
            }
            .cta-form-copy h2 {
                font-size: 1.35rem;
            }
            .fab {
                width: 48px;
                height: 48px;
                left: 12px;
                bottom: 80px;
            }
            .fab .fab-icon {
                font-size: 1rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-brand p {
                max-width: 100%;
            }
            .param-table th,
            .param-table td {
                padding: 12px 14px;
                font-size: 0.83rem;
            }
            .orbit-image {
                max-height: 280px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .logo {
                font-size: 1.1rem;
            }
            .nav-actions .btn {
                padding: 6px 10px;
                font-size: 0.72rem;
                gap: 4px;
            }
            .article-hero-main h1 {
                font-size: 1.35rem;
            }
            .article-meta {
                gap: 10px;
                font-size: 0.75rem;
                flex-wrap: wrap;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .metric-number {
                font-size: 1.3rem;
            }
            .metric-label {
                font-size: 0.72rem;
            }
            .section-title-wrap h2 {
                font-size: 1.2rem;
            }
            .cta-form-card {
                padding: 18px;
                border-radius: var(--radius-md);
            }
            .cta-form-copy h2 {
                font-size: 1.2rem;
            }
            .btn-large {
                padding: 12px 22px;
                font-size: 0.92rem;
            }
            .accordion-title {
                padding: 15px 18px;
                font-size: 0.9rem;
                padding-right: 40px;
            }
            .accordion-title::after {
                right: 18px;
            }
            .accordion-content {
                padding: 0 18px 14px;
                font-size: 0.85rem;
            }
            .param-table th,
            .param-table td {
                padding: 10px 12px;
                font-size: 0.78rem;
            }
            .related-card img {
                height: 150px;
            }
            .comparison-card {
                padding: 18px;
            }
            .cta-bar {
                padding: 18px;
                border-radius: var(--radius-md);
            }
            .breadcrumb {
                font-size: 0.72rem;
                margin-bottom: 14px;
            }
            .article-not-found {
                padding: 40px 16px;
            }
        }

/* roulang page: category2 */
/* ============ DESIGN TOKENS ============ */
        :root {
            --bg-deep-jade: #0A2E1C;
            --bg-forest: #123E25;
            --bg-mid-green: #0E3A26;
            --bg-panel: #0B3622;
            --gold: #FFD700;
            --gold-dark: #C5A000;
            --gold-light: #FFE866;
            --red: #D32F2F;
            --red-dark: #A62B2B;
            --white: #FFFFFF;
            --mint: #D1F2EB;
            --mint-muted: #8FC7B8;
            --text-body: #E8F3EE;
            --text-weak: #A0C7BA;
            --border-gold: rgba(255, 215, 0, 0.35);
            --border-mint: rgba(209, 242, 235, 0.15);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --shadow-soft: 0 8px 28px rgba(0, 0, 0, 0.25);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --shadow-card: 0 6px 24px rgba(0, 0, 0, 0.3);
            --transition-fast: 0.18s ease;
            --transition-med: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
            --font-main: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --container-pad: 24px;
        }

        /* ============ RESET & BASE ============ */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-main);
            background-color: var(--bg-deep-jade);
            color: var(--text-body);
            line-height: 1.6;
            font-size: 16px;
            overflow-x: hidden;
            min-height: 100vh;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--gold);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover,
        a:focus {
            color: var(--gold-light);
            outline: none;
        }

        a:focus-visible {
            outline: 2px dashed var(--gold);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        ul, ol {
            list-style: none;
        }

        h1, h2, h3, h4, h5, h6 {
            margin: 0;
            font-weight: 700;
            line-height: 1.25;
            color: var(--white);
        }

        p {
            margin: 0;
            color: var(--text-body);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: var(--container-pad);
            padding-right: var(--container-pad);
        }

        section {
            position: relative;
            padding: 64px 0;
        }

        .section-label {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--gold);
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--border-gold);
            border-radius: 30px;
            padding: 6px 16px;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: clamp(1.7rem, 3.2vw, 2.6rem);
            font-weight: 800;
            color: var(--white);
            margin-bottom: 16px;
            line-height: 1.2;
        }

        .section-sub {
            font-size: 1.05rem;
            color: var(--text-weak);
            max-width: 680px;
            line-height: 1.65;
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 99;
            background: rgba(10, 46, 28, 0.96);
            border-bottom: 1px solid var(--border-mint);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: background var(--transition-med), box-shadow var(--transition-med);
        }

        .site-header.scrolled {
            background: rgba(10, 46, 28, 0.98);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            padding-bottom: 14px;
            gap: 16px;
            min-height: 68px;
        }

        .logo {
            font-size: 1.2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--white);
            display: flex;
            align-items: center;
            gap: 4px;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .logo span {
            color: var(--gold);
        }

        .logo:hover,
        .logo:focus {
            color: var(--white);
        }

        .logo i {
            font-size: 1.35rem;
            color: var(--gold);
            margin-right: 4px;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-list a {
            display: inline-block;
            padding: 8px 16px;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--mint);
            border-radius: 30px;
            transition: background var(--transition-fast), color var(--transition-fast);
            white-space: nowrap;
        }

        .nav-list a:hover,
        .nav-list a:focus {
            background: rgba(255, 215, 0, 0.1);
            color: var(--gold);
        }

        .nav-list a.active {
            background: rgba(255, 215, 0, 0.15);
            color: var(--gold);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 10px 22px;
            border-radius: 30px;
            transition: all var(--transition-med);
            white-space: nowrap;
            border: 2px solid transparent;
            letter-spacing: 0.01em;
        }

        .btn-outline {
            background: transparent;
            color: var(--mint);
            border-color: rgba(209, 242, 235, 0.35);
        }

        .btn-outline:hover,
        .btn-outline:focus {
            border-color: var(--gold);
            color: var(--gold);
            background: rgba(255, 215, 0, 0.08);
        }

        .btn-gold {
            background: var(--gold);
            color: var(--bg-deep-jade);
            box-shadow: 0 4px 14px rgba(255, 215, 0, 0.3);
        }

        .btn-gold:hover,
        .btn-gold:focus {
            background: var(--gold-light);
            color: var(--bg-deep-jade);
            box-shadow: 0 6px 22px rgba(255, 215, 0, 0.45);
            transform: translateY(-2px);
        }

        .btn-red {
            background: var(--red);
            color: var(--white);
            box-shadow: 0 4px 14px rgba(211, 47, 47, 0.3);
        }

        .btn-red:hover,
        .btn-red:focus {
            background: var(--red-dark);
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: 0 6px 22px rgba(211, 47, 47, 0.4);
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 1rem;
            border-radius: 40px;
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            border: 1px solid var(--border-mint);
            color: var(--white);
            background: rgba(255, 255, 255, 0.05);
            align-items: center;
            justify-content: center;
            font-size: 1.15rem;
            transition: all var(--transition-fast);
        }

        .nav-toggle:hover,
        .nav-toggle:focus {
            border-color: var(--gold);
            color: var(--gold);
        }

        /* ============ HERO ============ */
        .hero {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            padding: 100px 0 70px;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(10, 46, 28, 0.92) 10%, rgba(18, 62, 37, 0.82) 45%, rgba(10, 46, 28, 0.96) 100%);
            z-index: 1;
        }

        .hero .container {
            position: relative;
            z-index: 2;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.15fr 0.95fr;
            gap: 48px;
            align-items: center;
        }

        .hero-content {
            max-width: 620px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(211, 47, 47, 0.15);
            border: 1px solid rgba(211, 47, 47, 0.4);
            color: #FF9B9B;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            padding: 8px 18px;
            border-radius: 30px;
            margin-bottom: 20px;
        }

        .hero-badge i {
            color: var(--red);
            font-size: 0.9rem;
        }

        .hero h1 {
            font-size: clamp(2rem, 4.5vw, 3.6rem);
            font-weight: 900;
            letter-spacing: -0.02em;
            color: var(--white);
            margin-bottom: 20px;
            line-height: 1.12;
        }

        .hero h1 em {
            font-style: normal;
            color: var(--gold);
            position: relative;
        }

        .hero h1 em::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -4px;
            width: 100%;
            height: 3px;
            background: var(--gold);
            border-radius: 2px;
        }

        .hero-desc {
            font-size: 1.08rem;
            color: var(--mint);
            line-height: 1.7;
            margin-bottom: 30px;
            max-width: 540px;
        }

        .hero-cta {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 30px;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            padding-top: 24px;
            border-top: 1px solid var(--border-mint);
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-stat strong {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--gold);
            letter-spacing: -0.01em;
        }

        .hero-stat span {
            font-size: 0.8rem;
            color: var(--text-weak);
        }

        /* Hero Visual - Phone mockup */
        .hero-visual {
            display: flex;
            justify-content: center;
            align-items: center;
            position: relative;
        }

        .phone-frame {
            width: 300px;
            max-width: 100%;
            aspect-ratio: 9 / 16;
            background: rgba(0, 0, 0, 0.45);
            border: 3px solid var(--border-gold);
            border-radius: 34px;
            overflow: hidden;
            box-shadow: var(--shadow-card), var(--shadow-gold);
            position: relative;
            backdrop-filter: blur(6px);
        }

        .phone-frame img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 31px;
        }

        .phone-frame::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 46, 28, 0.15) 0%, rgba(10, 46, 28, 0.05) 40%, rgba(10, 46, 28, 0.55) 100%);
            border-radius: 31px;
            pointer-events: none;
        }

        .floating-tag {
            position: absolute;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(10, 46, 28, 0.88);
            border: 1px solid var(--border-gold);
            border-radius: 30px;
            padding: 8px 16px;
            font-weight: 700;
            font-size: 0.82rem;
            color: var(--gold);
            box-shadow: var(--shadow-soft);
            backdrop-filter: blur(10px);
        }

        .floating-tag.top-left {
            top: 8%;
            left: 4%;
        }

        .floating-tag.bottom-right {
            bottom: 8%;
            right: 4%;
            animation: floatTag 3s ease-in-out infinite;
        }

        @keyframes floatTag {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }

        /* ============ METRICS DASHBOARD ============ */
        .metrics-section {
            background: var(--bg-forest);
            border-top: 1px solid var(--border-mint);
            border-bottom: 1px solid var(--border-mint);
            padding: 56px 0;
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .metric-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-mint);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: left;
            transition: all var(--transition-med);
            position: relative;
            overflow: hidden;
        }

        .metric-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(180deg, var(--gold), transparent);
            opacity: 0.7;
        }

        .metric-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-gold);
            box-shadow: var(--shadow-card);
        }

        .metric-icon {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--gold);
            margin-bottom: 14px;
        }

        .metric-card strong {
            display: block;
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--white);
            letter-spacing: -0.02em;
            margin-bottom: 4px;
        }

        .metric-card span {
            font-size: 0.88rem;
            color: var(--text-weak);
            line-height: 1.4;
        }

        /* ============ SERVICE MATRIX ============ */
        .service-section {
            background: var(--bg-deep-jade);
        }

        .service-header-row {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
            margin-bottom: 40px;
        }

        .service-matrix {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .service-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-mint);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-med);
            display: flex;
            flex-direction: column;
        }

        .service-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-card);
            transform: translateY(-4px);
        }

        .service-card-img {
            height: 220px;
            overflow: hidden;
            position: relative;
        }

        .service-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .service-card:hover .service-card-img img {
            transform: scale(1.05);
        }

        .service-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 46, 28, 0) 40%, rgba(10, 46, 28, 0.7) 100%);
        }

        .service-card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .service-card-body h3 {
            font-size: 1.25rem;
            font-weight: 800;
            margin-bottom: 10px;
            color: var(--white);
        }

        .service-card-body p {
            font-size: 0.92rem;
            color: var(--text-weak);
            line-height: 1.65;
            margin-bottom: 16px;
            flex: 1;
        }

        .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 18px;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 0.74rem;
            font-weight: 700;
            border-radius: 20px;
            padding: 5px 12px;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
        }

        .tag-gold {
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--border-gold);
            color: var(--gold);
        }

        .tag-mint {
            background: rgba(209, 242, 235, 0.08);
            border: 1px solid var(--border-mint);
            color: var(--mint);
        }

        .tag-red {
            background: rgba(211, 47, 47, 0.12);
            border: 1px solid rgba(211, 47, 47, 0.4);
            color: #FF9B9B;
        }

        /* ============ COMPARISON SECTION ============ */
        .comparison-section {
            background: var(--bg-forest);
            border-top: 1px solid var(--border-mint);
            border-bottom: 1px solid var(--border-mint);
        }

        .comparison-wrapper {
            display: grid;
            grid-template-columns: 0.9fr 1.5fr;
            gap: 40px;
            align-items: start;
        }

        .comparison-info {
            position: sticky;
            top: 100px;
        }

        .comparison-info p {
            color: var(--text-weak);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .comparison-checklist {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .comparison-checklist li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.92rem;
            color: var(--mint);
            line-height: 1.5;
        }

        .comparison-checklist li i {
            color: var(--gold);
            margin-top: 3px;
            flex-shrink: 0;
        }

        .comparison-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-mint);
            background: var(--bg-panel);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
            font-size: 0.9rem;
        }

        .comparison-table thead th {
            background: rgba(255, 215, 0, 0.08);
            padding: 16px 18px;
            text-align: left;
            font-weight: 700;
            font-size: 0.8rem;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--gold);
            border-bottom: 1px solid var(--border-gold);
            white-space: nowrap;
        }

        .comparison-table tbody td {
            padding: 14px 18px;
            border-bottom: 1px solid var(--border-mint);
            color: var(--text-body);
            vertical-align: middle;
        }

        .comparison-table tbody tr:last-child td {
            border-bottom: none;
        }

        .comparison-table tbody tr:hover td {
            background: rgba(255, 215, 0, 0.04);
        }

        .comparison-table .highlight-col {
            font-weight: 700;
            color: var(--gold);
        }

        .rating-stars {
            display: flex;
            gap: 2px;
            color: var(--gold);
            font-size: 0.82rem;
        }

        .rating-stars .off {
            color: rgba(255, 255, 255, 0.2);
        }

        /* ============ FAQ ============ */
        .faq-section {
            background: var(--bg-deep-jade);
        }

        .faq-list {
            max-width: 800px;
            margin: 32px auto 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-panel);
            border: 1px solid var(--border-mint);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-med);
        }

        .faq-item:hover {
            border-color: var(--border-gold);
        }

        .faq-item summary {
            list-style: none;
            cursor: pointer;
            padding: 18px 22px;
            font-weight: 700;
            font-size: 0.98rem;
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: color var(--transition-fast);
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary:hover {
            color: var(--gold);
        }

        .faq-item summary .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--border-gold);
            color: var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            transition: transform var(--transition-med);
        }

        .faq-item[open] summary .faq-icon {
            transform: rotate(180deg);
        }

        .faq-item .faq-body {
            padding: 0 22px 20px;
            font-size: 0.92rem;
            color: var(--text-weak);
            line-height: 1.7;
        }

        /* ============ CTA / FORM ============ */
        .cta-section {
            background: var(--bg-forest);
            border-top: 1px solid var(--border-mint);
            border-bottom: 1px solid var(--border-gold);
            padding: 72px 0;
        }

        .cta-card {
            background: linear-gradient(145deg, rgba(255, 215, 0, 0.08) 0%, rgba(10, 46, 28, 0.6) 100%);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            box-shadow: var(--shadow-card);
        }

        .cta-info h2 {
            font-size: clamp(1.5rem, 2.8vw, 2.2rem);
            font-weight: 800;
            margin-bottom: 14px;
        }

        .cta-info p {
            color: var(--text-weak);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .cta-benefits {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .cta-benefits li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--mint);
        }

        .cta-benefits li i {
            color: var(--gold);
        }

        .cta-form {
            background: rgba(10, 46, 28, 0.7);
            border: 1px solid var(--border-mint);
            border-radius: var(--radius-lg);
            padding: 30px 28px;
            backdrop-filter: blur(8px);
        }

        .cta-form h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .cta-form p {
            font-size: 0.85rem;
            color: var(--text-weak);
            margin-bottom: 20px;
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group label {
            display: block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--mint);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-mint);
            border-radius: var(--radius-sm);
            color: var(--white);
            font-size: 0.92rem;
            transition: all var(--transition-fast);
        }

        .form-group input::placeholder {
            color: rgba(209, 242, 235, 0.4);
        }

        .form-group input:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--gold);
            background: rgba(255, 255, 255, 0.08);
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.12);
        }

        .form-group select {
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23FFD700'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            padding-right: 40px;
        }

        .form-group select option {
            background: var(--bg-panel);
            color: var(--white);
        }

        .cta-form .btn {
            width: 100%;
        }

        .form-note {
            font-size: 0.76rem;
            color: var(--text-weak);
            margin-top: 12px;
            text-align: center;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #072014;
            border-top: 1px solid var(--border-mint);
            padding: 56px 0 0;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 36px;
        }

        .footer-brand .logo {
            margin-bottom: 14px;
            font-size: 1.15rem;
        }

        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-weak);
            line-height: 1.65;
            max-width: 360px;
        }

        .footer-col h5 {
            font-size: 0.92rem;
            font-weight: 700;
            color: var(--gold);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul a {
            font-size: 0.88rem;
            color: var(--mint);
            transition: color var(--transition-fast);
        }

        .footer-col ul a:hover,
        .footer-col ul a:focus {
            color: var(--gold);
        }

        .copyright {
            border-top: 1px solid var(--border-mint);
            padding: 20px 0;
            text-align: center;
        }

        .copyright p {
            font-size: 0.78rem;
            color: var(--text-weak);
            line-height: 1.5;
        }

        /* ============ FAB ============ */
        .fab {
            position: fixed;
            left: 20px;
            bottom: 90px;
            z-index: 50;
            width: 58px;
            height: 58px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 25%, #2A2A2A 0%, #0F0F0F 78%);
            border: 3px solid var(--gold);
            box-shadow: var(--shadow-gold), 0 0 0 4px rgba(255, 215, 0, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            opacity: 0.7;
            animation: fabBreathe 3.5s ease-in-out infinite;
            transition: opacity var(--transition-med), transform var(--transition-med), box-shadow var(--transition-med);
        }

        @keyframes fabBreathe {
            0%, 100% { opacity: 0.7; transform: scale(1); }
            50% { opacity: 1; transform: scale(1.04); }
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.15);
            box-shadow: 0 0 28px rgba(255, 215, 0, 0.55);
            animation-play-state: paused;
        }

        .fab:active {
            transform: scale(0.94) translateY(2px);
            transition-duration: 0.08s;
        }

        .fab i {
            font-size: 1.5rem;
            color: var(--gold);
            transition: transform var(--transition-med);
        }

        .fab:hover i {
            transform: rotate(360deg);
        }

        .fab-dot {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--red);
            border: 2px solid var(--bg-deep-jade);
            animation: dotBlink 1.4s ease-in-out infinite;
        }

        @keyframes dotBlink {
            0%, 100% { opacity: 1; box-shadow: 0 0 6px var(--red); }
            50% { opacity: 0.4; box-shadow: 0 0 2px var(--red); }
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .hero-content {
                max-width: 700px;
            }

            .hero-visual {
                justify-content: flex-start;
            }

            .phone-frame {
                width: 260px;
            }

            .comparison-wrapper {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .comparison-info {
                position: static;
            }

            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .cta-card {
                grid-template-columns: 1fr;
                gap: 30px;
                padding: 36px 28px;
            }
        }

        @media (max-width: 768px) {
            section {
                padding: 48px 0;
            }

            .header-inner {
                flex-wrap: wrap;
                gap: 10px;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-list {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: rgba(10, 46, 28, 0.98);
                border-bottom: 1px solid var(--border-mint);
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 12px 20px;
                box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
                z-index: 100;
            }

            .nav-list.open {
                display: flex;
            }

            .nav-list a {
                padding: 12px 10px;
                border-radius: 8px;
                font-size: 0.95rem;
                border-bottom: 1px solid rgba(209, 242, 235, 0.06);
            }

            .nav-list a:last-child {
                border-bottom: none;
            }

            .nav-actions {
                margin-left: auto;
            }

            .nav-actions .btn {
                padding: 8px 14px;
                font-size: 0.8rem;
            }

            .hero {
                min-height: auto;
                padding: 100px 0 50px;
            }

            .hero h1 {
                font-size: 1.8rem;
            }

            .hero-desc {
                font-size: 0.95rem;
            }

            .hero-stats {
                gap: 18px;
            }

            .service-matrix {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .service-header-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .footer-inner {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .fab {
                left: 14px;
                bottom: 72px;
                width: 50px;
                height: 50px;
            }

            .fab i {
                font-size: 1.25rem;
            }
        }

        @media (max-width: 520px) {
            :root {
                --container-pad: 16px;
            }

            .header-inner {
                padding-top: 10px;
                padding-bottom: 10px;
                gap: 8px;
            }

            .logo {
                font-size: 0.95rem;
            }

            .nav-actions .btn-outline {
                display: none;
            }

            .nav-actions .btn {
                padding: 8px 16px;
                font-size: 0.78rem;
            }

            .hero {
                padding: 88px 0 36px;
            }

            .hero h1 {
                font-size: 1.55rem;
            }

            .hero-cta {
                flex-direction: column;
                gap: 10px;
            }

            .hero-cta .btn {
                width: 100%;
            }

            .phone-frame {
                width: 210px;
                border-radius: 24px;
            }

            .phone-frame img {
                border-radius: 22px;
            }

            .phone-frame::after {
                border-radius: 22px;
            }

            .floating-tag {
                font-size: 0.7rem;
                padding: 6px 10px;
                gap: 5px;
            }

            .metrics-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .metric-card {
                padding: 18px 16px;
                display: flex;
                align-items: center;
                gap: 16px;
            }

            .metric-icon {
                width: 40px;
                height: 40px;
                font-size: 1.1rem;
                margin-bottom: 0;
                flex-shrink: 0;
            }

            .metric-card strong {
                font-size: 1.4rem;
            }

            .section-title {
                font-size: 1.45rem;
            }

            .cta-card {
                padding: 26px 18px;
                border-radius: var(--radius-lg);
            }

            .cta-form {
                padding: 22px 18px;
            }

            .faq-item summary {
                padding: 15px 16px;
                font-size: 0.88rem;
            }

            .faq-item .faq-body {
                padding: 0 16px 16px;
                font-size: 0.85rem;
            }
        }