/* roulang page: index */
:root {
      --bg-main: #060B14;
      --bg-secondary: #0B132B;
      --bg-card: rgba(15, 23, 42, 0.68);
      --bg-card-hover: rgba(30, 41, 59, 0.8);
      --primary-blue: #1C64F2;
      --accent-cyan: #00F2FE;
      --accent-purple: #7E22CE;
      --text-white: #FFFFFF;
      --text-muted: #94A3B8;
      --border-color: rgba(255, 255, 255, 0.08);
      --border-glow: rgba(0, 242, 254, 0.35);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 20px;
      --shadow-card: 0 8px 32px 0 rgba(0, 15, 40, 0.37);
      --glow-cyan: 0 0 20px rgba(0, 242, 254, 0.45);
      --glow-blue: 0 0 25px rgba(28, 100, 242, 0.5);
      --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }

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

    body {
      background-color: var(--bg-main);
      color: var(--text-white);
      font-family: var(--font-stack);
      line-height: 1.6;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.25s ease;
    }

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

    /* Container */
    .container {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* Section Base */
    section {
      padding: 80px 0;
      position: relative;
    }

    .section-alt {
      background-color: var(--bg-secondary);
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

    .section-header {
      margin-bottom: 50px;
    }

    .section-tag {
      display: inline-block;
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 1.5px;
      text-transform: uppercase;
      color: var(--accent-cyan);
      background: rgba(0, 242, 254, 0.1);
      padding: 4px 14px;
      border-radius: 20px;
      margin-bottom: 12px;
      border: 1px solid rgba(0, 242, 254, 0.25);
    }

    .section-title {
      font-size: 32px;
      font-weight: 700;
      line-height: 1.3;
      margin-bottom: 16px;
      color: var(--text-white);
    }

    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      max-width: 820px;
      line-height: 1.7;
    }

    /* Top Auxiliary Bar */
    .top-bar {
      background: #03070E;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
      font-size: 13px;
      color: var(--text-muted);
      padding: 8px 0;
    }

    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .status-badge {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .status-dot {
      width: 8px;
      height: 8px;
      background-color: #10B981;
      border-radius: 50%;
      box-shadow: 0 0 8px #10B981;
      animation: pulse 2s infinite;
    }

    @keyframes pulse {
      0% { transform: scale(0.95); opacity: 0.8; }
      50% { transform: scale(1.15); opacity: 1; }
      100% { transform: scale(0.95); opacity: 0.8; }
    }

    /* Main Navigation */
    .site-nav {
      position: sticky;
      top: 0;
      z-index: 999;
      background: rgba(6, 11, 20, 0.88);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border-color);
      transition: all 0.3s;
    }

    .nav-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 74px;
    }

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 22px;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: var(--text-white);
    }

    .brand-logo-icon {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--accent-cyan), var(--primary-blue));
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      color: #03070E;
      font-size: 18px;
      box-shadow: var(--glow-cyan);
    }

    .timeline-chips {
      display: flex;
      gap: 8px;
      background: rgba(255, 255, 255, 0.04);
      padding: 4px;
      border-radius: 24px;
      border: 1px solid rgba(255, 255, 255, 0.05);
    }

    .chip-item {
      font-size: 12px;
      padding: 4px 12px;
      border-radius: 16px;
      color: var(--text-muted);
      transition: 0.2s;
    }

    .chip-item.active {
      background: var(--primary-blue);
      color: #fff;
      font-weight: 600;
    }

    .chip-item:hover:not(.active) {
      color: var(--text-white);
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 24px;
    }

    .nav-link {
      font-size: 15px;
      color: var(--text-muted);
      font-weight: 500;
    }

    .nav-link:hover, .nav-link.active {
      color: var(--accent-cyan);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      height: 44px;
      padding: 0 24px;
      border-radius: var(--radius-sm);
      font-size: 15px;
      font-weight: 600;
      cursor: pointer;
      border: none;
      transition: all 0.25s ease;
      white-space: nowrap;
    }

    .btn-glow {
      background: linear-gradient(90deg, #00F2FE 0%, #1C64F2 100%);
      color: #03070E;
      font-weight: 700;
      box-shadow: var(--glow-cyan);
    }

    .btn-glow:hover {
      transform: scale(1.02);
      box-shadow: 0 0 30px rgba(0, 242, 254, 0.7);
      color: #000;
    }

    .btn-outline {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.15);
      color: var(--text-white);
    }

    .btn-outline:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: var(--accent-cyan);
      color: var(--accent-cyan);
    }

    /* Glass Card Standard */
    .glass-card {
      background: var(--bg-card);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px;
      box-shadow: var(--shadow-card);
      transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    }

    .glass-card:hover {
      transform: translateY(-4px);
      border-color: var(--border-glow);
      box-shadow: 0 12px 36px 0 rgba(0, 242, 254, 0.15);
    }

    /* Grid Layouts */
    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
      align-items: center;
    }

    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    /* 1. Hero: Lead Acquisition Form Hook */
    .hero-section {
      padding: 70px 0 100px;
      background: radial-gradient(circle at 75% 20%, rgba(28, 100, 242, 0.22) 0%, rgba(6, 11, 20, 0) 65%),
                  url('/assets/images/344e1fa820b00db7.jpg') center/cover no-repeat;
      position: relative;
      border-bottom: 1px solid var(--border-color);
    }

    .hero-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(6, 11, 20, 0.85) 0%, rgba(6, 11, 20, 0.98) 100%);
      z-index: 1;
    }

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

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(0, 242, 254, 0.12);
      border: 1px solid rgba(0, 242, 254, 0.3);
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 13px;
      color: var(--accent-cyan);
      margin-bottom: 20px;
      font-weight: 600;
    }

    .hero-title {
      font-size: 44px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-title span {
      background: linear-gradient(90deg, #FFFFFF, var(--accent-cyan));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-lead-text {
      font-size: 17px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 36px;
    }

    /* Fast Action Lead Form */
    .hero-lead-box {
      background: rgba(11, 19, 43, 0.75);
      backdrop-filter: blur(16px);
      border: 1px solid rgba(0, 242, 254, 0.2);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6);
    }

    .hero-lead-box h3 {
      font-size: 20px;
      margin-bottom: 8px;
      color: var(--text-white);
    }

    .hero-lead-box p {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 24px;
    }

    .form-group-row {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .input-field {
      width: 100%;
      height: 48px;
      background: rgba(6, 11, 20, 0.8);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 0 16px;
      color: #fff;
      font-size: 14px;
      outline: none;
      transition: border-color 0.2s;
    }

    .input-field:focus {
      border-color: var(--accent-cyan);
      box-shadow: 0 0 10px rgba(0, 242, 254, 0.2);
    }

    .form-btn {
      width: 100%;
      height: 48px;
    }

    /* 2. Problem Statement */
    .pain-card {
      position: relative;
      border-left: 3px solid #EF4444;
    }

    .pain-card h4 {
      font-size: 18px;
      margin-bottom: 12px;
      color: #fff;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .pain-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 3. Operational Demo / Live Match Engine */
    .console-mockup {
      background: #020408;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
    }

    .console-bar {
      height: 38px;
      background: #0A0F1D;
      display: flex;
      align-items: center;
      padding: 0 16px;
      gap: 8px;
      border-bottom: 1px solid var(--border-color);
    }

    .mock-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      display: inline-block;
    }

    .mock-content {
      padding: 24px;
    }

    .match-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 14px 18px;
      background: rgba(255, 255, 255, 0.03);
      border-radius: 8px;
      margin-bottom: 12px;
      border: 1px solid rgba(255, 255, 255, 0.04);
    }

    .match-team {
      font-weight: 700;
      font-size: 15px;
      color: #fff;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .match-score {
      font-size: 18px;
      font-weight: 800;
      color: var(--accent-cyan);
      letter-spacing: 2px;
    }

    /* 4. Results Preview & Metrics */
    .stat-strip {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      text-align: center;
    }

    .stat-number {
      font-size: 42px;
      font-weight: 800;
      color: var(--text-white);
      line-height: 1.1;
      margin-bottom: 8px;
      background: linear-gradient(180deg, #fff, var(--accent-cyan));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .stat-label {
      font-size: 14px;
      color: var(--text-muted);
    }

    /* 5. Bottlenecks Solved */
    .diff-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }

    .diff-table th, .diff-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
    }

    .diff-table th {
      background: rgba(255, 255, 255, 0.03);
      color: var(--accent-cyan);
      font-weight: 600;
    }

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

    /* 6. Success Path: Timeline */
    .timeline-wrap {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .timeline-card {
      position: relative;
      padding-top: 24px;
    }

    .timeline-step {
      font-size: 12px;
      font-weight: 800;
      color: var(--accent-cyan);
      margin-bottom: 8px;
      text-transform: uppercase;
      letter-spacing: 1px;
    }

    /* 7. Product Tiers (Battleground) */
    .tier-badge {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      padding: 3px 10px;
      border-radius: 12px;
      background: rgba(126, 34, 206, 0.2);
      border: 1px solid rgba(126, 34, 206, 0.4);
      color: #D8B4FE;
      margin-bottom: 12px;
    }

    .tier-card.featured {
      border: 1px solid var(--accent-cyan);
      box-shadow: 0 0 30px rgba(0, 242, 254, 0.15);
      position: relative;
    }

    .tier-featured-tag {
      position: absolute;
      top: -12px;
      right: 20px;
      background: var(--accent-cyan);
      color: #03070E;
      font-size: 11px;
      font-weight: 800;
      padding: 2px 10px;
      border-radius: 10px;
      text-transform: uppercase;
    }

    .tier-list {
      list-style: none;
      margin: 20px 0 24px;
    }

    .tier-list li {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .tier-list li::before {
      content: "✓";
      color: var(--accent-cyan);
      font-weight: 800;
    }

    /* 8. Hardware & Anti-Cheat Specs */
    .specs-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .spec-item {
      padding: 20px;
      background: rgba(255, 255, 255, 0.02);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
    }

    .spec-title {
      font-size: 14px;
      color: var(--accent-cyan);
      margin-bottom: 6px;
      font-weight: 600;
    }

    .spec-desc {
      font-size: 13px;
      color: var(--text-muted);
    }

    /* 9. Host Stories & Verification */
    .quote-box {
      border-left: 4px solid var(--primary-blue);
      padding-left: 20px;
      margin-top: 16px;
      font-style: italic;
      color: #E2E8F0;
    }

    /* 10. News & Tech Updates */
    .news-card-img {
      height: 180px;
      border-radius: var(--radius-sm);
      overflow: hidden;
      margin-bottom: 16px;
    }

    .news-card-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

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

    .news-date {
      font-size: 12px;
      color: var(--accent-cyan);
      margin-bottom: 8px;
    }

    /* 11. FAQ Accordion-like Block */
    .faq-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .faq-item h4 {
      font-size: 17px;
      color: #FFFFFF;
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .faq-item p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 12. Floating Trigger / Fixed Action Guard */
    .final-cta-section {
      background: radial-gradient(circle at 50% 50%, rgba(28, 100, 242, 0.3) 0%, rgba(6, 11, 20, 1) 75%),
                  url('/assets/images/54a403276f16a344.png') center/cover no-repeat;
      padding: 100px 0;
      text-align: center;
      border-top: 1px solid var(--border-glow);
    }

    .final-cta-box {
      max-width: 760px;
      margin: 0 auto;
    }

    /* Multi-column Footer */
    .site-footer {
      background: #03070E;
      border-top: 1px solid var(--border-color);
      padding: 70px 0 30px;
      font-size: 14px;
      color: var(--text-muted);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 40px;
      margin-bottom: 50px;
    }

    .footer-col h4 {
      font-size: 16px;
      color: #fff;
      margin-bottom: 20px;
      font-weight: 700;
    }

    .footer-links {
      list-style: none;
    }

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

    .footer-links a:hover {
      color: var(--accent-cyan);
    }

    .footer-contact p {
      margin-bottom: 10px;
      font-size: 13px;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .grid-4, .stat-strip, .timeline-wrap {
        grid-template-columns: repeat(2, 1fr);
      }
      .grid-3, .specs-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .top-bar { display: none; }
      .timeline-chips { display: none; }
      .grid-2, .grid-3, .grid-4, .specs-grid, .faq-grid, .stat-strip, .timeline-wrap {
        grid-template-columns: 1fr;
      }
      .hero-title {
        font-size: 30px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
      }
      .nav-links {
        display: none;
      }
    }