/* roulang page: index */
:root {
      --primary: #0A3E2F;
      --accent-green: #00E676;
      --accent-orange: #FF6D00;
      --bg-deep: #0D1B1A;
      --bg-section: #111D1B;
      --card-bg: rgba(255, 255, 255, 0.04);
      --card-border: rgba(255, 255, 255, 0.08);
      --text-primary: #FFFFFF;
      --text-secondary: #B0C4C1;
      --text-muted: #6B7F7C;
      --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
      --shadow-glow: 0 0 30px rgba(0, 230, 118, 0.4);
      --radius-card: 16px;
      --radius-btn: 50px;
      --font-mono: 'SF Mono', 'Courier New', monospace;
      --transition: 0.3s ease;
    }
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    body {
      font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
      background: var(--bg-deep);
      color: var(--text-primary);
      line-height: 1.7;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
      background-image: radial-gradient(circle at 30% 10%, rgba(0,230,118,0.03) 0%, transparent 60%);
    }
    .container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }
    /* 导航 */
    .navbar {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 72px;
      background: rgba(13, 27, 26, 0.85);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border-bottom: 1px solid rgba(255,255,255,0.06);
      display: flex;
      align-items: center;
      z-index: 1000;
      box-shadow: 0 2px 20px rgba(0,0,0,0.5);
    }
    .nav-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }
    .logo {
      display: flex;
      align-items: baseline;
      gap: 6px;
      font-weight: 700;
      font-size: 22px;
      color: white;
      text-decoration: none;
    }
    .logo .highlight {
      color: var(--accent-green);
    }
    .logo .domain {
      font-size: 12px;
      color: #6B7F7C;
      margin-left: 4px;
      font-weight: 400;
    }
    .nav-links {
      display: flex;
      gap: 28px;
      list-style: none;
    }
    .nav-links a {
      color: var(--text-secondary);
      text-decoration: none;
      font-weight: 500;
      transition: color 0.2s;
      font-size: 15px;
    }
    .nav-links a:hover {
      color: var(--accent-green);
    }
    .nav-cta {
      background: var(--accent-green);
      color: #0A3E2F;
      padding: 10px 24px;
      border-radius: 50px;
      font-weight: 700;
      text-decoration: none;
      transition: all 0.3s;
      box-shadow: 0 0 15px rgba(0,230,118,0.3);
      font-size: 15px;
    }
    .nav-cta:hover {
      background: #1BFF8B;
      box-shadow: 0 0 25px rgba(0,230,118,0.6);
    }
    .hamburger {
      display: none;
      flex-direction: column;
      gap: 5px;
      cursor: pointer;
      background: none;
      border: none;
    }
    .hamburger span {
      width: 24px;
      height: 2px;
      background: white;
      border-radius: 2px;
      transition: 0.3s;
    }
    /* 玻璃拟态卡片 */
    .glass-card {
      background: rgba(255,255,255,0.03);
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: var(--radius-card);
      backdrop-filter: blur(24px);
      -webkit-backdrop-filter: blur(24px);
      box-shadow: var(--shadow-card);
      transition: var(--transition);
    }
    .glass-card:hover {
      border-color: rgba(0,230,118,0.3);
      box-shadow: 0 12px 40px rgba(0,230,118,0.2);
      transform: translateY(-4px);
    }
    /* 按钮 */
    .btn-primary {
      background: var(--accent-green);
      color: #0A3E2F;
      padding: 14px 36px;
      border-radius: 50px;
      font-weight: 700;
      text-decoration: none;
      display: inline-block;
      box-shadow: 0 0 25px rgba(0,230,118,0.35);
      transition: all 0.3s;
      border: none;
      cursor: pointer;
      font-size: 16px;
    }
    .btn-primary:hover {
      background: #1BFF8B;
      box-shadow: 0 0 40px rgba(0,230,118,0.6);
      transform: scale(1.02);
    }
    .btn-outline {
      background: transparent;
      border: 1.5px solid var(--accent-green);
      color: var(--accent-green);
      padding: 14px 36px;
      border-radius: 50px;
      font-weight: 700;
      text-decoration: none;
      display: inline-block;
      transition: all 0.3s;
    }
    .btn-outline:hover {
      background: rgba(0,230,118,0.1);
      box-shadow: 0 0 20px rgba(0,230,118,0.2);
    }
    /* 板块间距 */
    section {
      padding: 100px 0;
    }
    h2 {
      font-size: 36px;
      font-weight: 700;
      margin-bottom: 20px;
      line-height: 1.3;
    }
    .section-subtitle {
      color: var(--text-secondary);
      font-size: 18px;
      margin-bottom: 48px;
    }
    /* Hero */
    .hero {
      min-height: 100vh;
      display: flex;
      align-items: center;
      background: linear-gradient(135deg, rgba(10,62,47,0.7) 0%, rgba(13,27,26,0.9) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      position: relative;
    }
    .hero-content {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
    }
    .hero-text {
      flex: 1;
      min-width: 300px;
    }
    .badge {
      background: rgba(0,230,118,0.15);
      color: var(--accent-green);
      padding: 6px 16px;
      border-radius: 20px;
      font-size: 14px;
      font-weight: 600;
      display: inline-block;
      margin-bottom: 24px;
    }
    h1 {
      font-size: 48px;
      font-weight: 700;
      line-height: 1.2;
      margin-bottom: 20px;
    }
    .hero-desc {
      font-size: 18px;
      color: var(--text-secondary);
      margin-bottom: 36px;
      max-width: 500px;
    }
    .live-card {
      background: rgba(0,0,0,0.4);
      backdrop-filter: blur(18px);
      border: 1px solid rgba(255,255,255,0.1);
      border-radius: 20px;
      padding: 20px 28px;
      min-width: 260px;
      color: white;
    }
    .live-match {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 18px;
      font-weight: 600;
    }
    .live-score {
      font-family: var(--font-mono);
      font-size: 38px;
      color: var(--accent-orange);
      margin: 8px 0;
      letter-spacing: 2px;
    }
    .live-minute {
      color: var(--accent-orange);
      font-weight: bold;
    }
    /* 数据带 */
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .stat-card {
      text-align: center;
      padding: 28px 16px;
    }
    .stat-number {
      font-family: var(--font-mono);
      font-size: 36px;
      color: var(--accent-green);
      font-weight: 700;
    }
    /* 功能分组非对称 */
    .feature-row {
      display: flex;
      gap: 40px;
      align-items: center;
      margin-bottom: 60px;
    }
    .feature-row.reverse {
      flex-direction: row-reverse;
    }
    .feature-img {
      flex: 1;
      background: rgba(0,230,118,0.05);
      border-radius: 24px;
      height: 280px;
      background-image: url('/assets/images/coverpic/cover-1.webp');
      background-size: cover;
      background-position: center;
    }
    .feature-text {
      flex: 1;
    }
    /* 场景卡片 */
    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }
    .scenario-card {
      padding: 24px;
      display: flex;
      gap: 20px;
      align-items: center;
    }
    .scenario-img {
      width: 80px;
      height: 80px;
      border-radius: 16px;
      background: rgba(0,230,118,0.1);
      background-size: cover;
    }
    /* 案例 */
    .testimonial-card {
      padding: 32px;
      background: rgba(255,255,255,0.02);
      border-radius: 24px;
      border-left: 4px solid var(--accent-green);
    }
    /* 价格 */
    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
      align-items: center;
    }
    .pricing-card {
      padding: 36px 28px;
      text-align: center;
      position: relative;
    }
    .pricing-card.pro {
      transform: scale(1.05);
      border-color: var(--accent-green);
      box-shadow: 0 0 35px rgba(0,230,118,0.25);
    }
    .price {
      font-family: var(--font-mono);
      font-size: 48px;
      color: var(--accent-green);
      font-weight: 700;
    }
    .badge-recommend {
      background: var(--accent-orange);
      color: white;
      padding: 4px 12px;
      border-radius: 20px;
      font-size: 13px;
      position: absolute;
      top: -12px;
      right: 20px;
    }
    /* FAQ 手风琴 */
    .faq-item {
      border-bottom: 1px solid rgba(255,255,255,0.06);
      padding: 20px 0;
      cursor: pointer;
    }
    .faq-question {
      font-weight: 600;
      font-size: 18px;
      display: flex;
      justify-content: space-between;
    }
    .faq-answer {
      color: var(--text-secondary);
      margin-top: 12px;
      display: none;
    }
    .faq-item.active .faq-answer {
      display: block;
    }
    /* 页脚 */
    footer {
      background: #0A1817;
      padding: 60px 0 30px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
    }
    @media (max-width: 1024px) {
      .nav-links { display: none; }
      .hamburger { display: flex; }
      .stats-grid { grid-template-columns: repeat(2,1fr); }
      .feature-row { flex-direction: column; }
      .pricing-grid { grid-template-columns: 1fr; }
    }
    @media (max-width: 768px) {
      h1 { font-size: 32px; }
      h2 { font-size: 26px; }
      .hero-content { flex-direction: column; }
      .scenario-grid { grid-template-columns: 1fr; }
    }