/* roulang page: index */
:root {
      --primary-glow: #00E676;
      --primary-glow-light: #69F0AE;
      --accent-red: #FF3D00;
      --bg-deep: #0D0D0D;
      --bg-charcoal: #1A1A1A;
      --bg-card: #242424;
      --bg-card-hover: #2A2A2A;
      --text-white: #FFFFFF;
      --text-light: #B0B0B0;
      --text-muted: #757575;
      --border-subtle: rgba(255,255,255,0.08);
      --border-active: #00E676;
      --radius-sm: 4px;
      --radius-md: 8px;
      --shadow-card: 0 2px 8px rgba(0,0,0,0.4);
      --font-mono: 'Roboto Mono', 'Courier New', monospace;
      --font-sans: 'PingFang SC', 'Microsoft YaHei', '苹方', '微软雅黑', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
      --section-padding: 80px 0;
    }

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

    body {
      font-family: var(--font-sans);
      background-color: var(--bg-deep);
      color: var(--text-light);
      line-height: 1.75;
      font-size: 1rem;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: var(--primary-glow);
      text-decoration: none;
      transition: color 0.2s ease;
    }
    a:hover {
      color: var(--primary-glow-light);
    }

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

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }

    /* 顶部信息条 */
    .top-bar {
      background: #000000;
      height: 36px;
      font-size: 0.8rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 20px;
      border-bottom: 1px solid var(--border-subtle);
      color: var(--text-muted);
    }
    .top-bar .domain-info {
      display: flex;
      align-items: center;
      gap: 8px;
      white-space: nowrap;
    }
    .top-bar .ticker {
      overflow: hidden;
      flex: 1;
      margin: 0 20px;
      color: var(--primary-glow);
      font-weight: 500;
      white-space: nowrap;
    }
    .top-bar .ticker span {
      display: inline-block;
      padding-right: 40px;
      animation: tickerMove 18s linear infinite;
    }
    @keyframes tickerMove {
      0% { transform: translateX(0); }
      100% { transform: translateX(-50%); }
    }
    .top-bar .auth-links a {
      color: var(--text-light);
      margin-left: 16px;
      font-weight: 500;
    }
    .top-bar .auth-links a:hover {
      color: var(--primary-glow);
    }

    /* 主导航 */
    .main-nav {
      background: var(--bg-deep);
      height: 64px;
      border-bottom: 1px solid var(--border-subtle);
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 20px;
      position: sticky;
      top: 0;
      z-index: 100;
      backdrop-filter: blur(8px);
    }
    .logo {
      font-size: 1.8rem;
      font-weight: 700;
      color: var(--text-white);
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .logo i {
      color: var(--primary-glow);
      font-size: 2rem;
    }
    .nav-links {
      display: flex;
      gap: 28px;
      list-style: none;
    }
    .nav-links a {
      color: var(--text-light);
      font-weight: 500;
      padding-bottom: 6px;
      border-bottom: 3px solid transparent;
      transition: 0.2s;
    }
    .nav-links a:hover,
    .nav-links a.active {
      color: var(--text-white);
      border-bottom-color: var(--primary-glow);
    }
    .mobile-toggle {
      display: none;
      font-size: 1.8rem;
      color: var(--text-white);
      cursor: pointer;
    }

    /* 板块通用 */
    section {
      padding: var(--section-padding);
    }
    .section-title {
      font-size: 2rem;
      font-weight: 600;
      color: var(--text-white);
      margin-bottom: 48px;
      padding-left: 16px;
      border-left: 4px solid var(--primary-glow);
      line-height: 1.3;
    }

    /* Hero */
    .hero {
      display: flex;
      align-items: center;
      gap: 40px;
      padding: 60px 0;
    }
    .hero-left {
      flex: 0 0 60%;
    }
    .hero-left h1 {
      font-size: 3.2rem;
      font-weight: 700;
      color: var(--text-white);
      letter-spacing: -0.02em;
      margin-bottom: 20px;
      line-height: 1.2;
    }
    .hero-left .sub {
      font-size: 1.2rem;
      color: var(--text-light);
      margin-bottom: 32px;
    }
    .btn-group {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }
    .btn-primary {
      background: var(--primary-glow);
      color: #0D0D0D;
      font-weight: 600;
      padding: 12px 28px;
      border-radius: var(--radius-sm);
      border: none;
      cursor: pointer;
      transition: all 0.2s;
      display: inline-block;
    }
    .btn-primary:hover {
      background: var(--primary-glow-light);
      transform: scale(1.03);
      color: #0D0D0D;
    }
    .btn-secondary {
      background: transparent;
      border: 2px solid var(--primary-glow);
      color: var(--primary-glow);
      font-weight: 600;
      padding: 12px 28px;
      border-radius: var(--radius-sm);
      transition: 0.2s;
      display: inline-block;
    }
    .btn-secondary:hover {
      background: rgba(0,230,118,0.15);
      color: var(--primary-glow-light);
    }
    .hero-right {
      flex: 0 0 40%;
      background: rgba(36,36,36,0.7);
      backdrop-filter: blur(12px);
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px solid var(--border-subtle);
      background-image: url('/assets/images/backpic/back-1.webp');
      background-size: cover;
      background-blend-mode: overlay;
      position: relative;
    }
    .live-card {
      text-align: center;
      color: var(--text-white);
    }
    .live-badge {
      color: var(--accent-red);
      font-weight: 700;
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
    }
    .live-dot {
      width: 10px;
      height: 10px;
      background: var(--accent-red);
      border-radius: 50%;
      display: inline-block;
      animation: pulse 1.2s infinite;
    }
    @keyframes pulse {
      0% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.5; transform: scale(1.3); }
      100% { opacity: 1; transform: scale(1); }
    }
    .match-teams {
      font-size: 1.8rem;
      font-weight: 600;
      margin: 16px 0 8px;
    }
    .score {
      font-family: var(--font-mono);
      font-size: 3.5rem;
      font-weight: 700;
      color: var(--primary-glow);
    }

    /* 亮点网格 */
    .highlight-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .stat-card {
      background: var(--bg-charcoal);
      border-radius: var(--radius-md);
      padding: 28px 16px;
      text-align: center;
      border: 1px solid var(--border-subtle);
      transition: background 0.2s;
    }
    .stat-card:hover {
      background: var(--bg-card-hover);
    }
    .stat-icon {
      font-size: 2.4rem;
      color: var(--primary-glow);
      margin-bottom: 12px;
    }
    .stat-number {
      font-size: 2.5rem;
      font-weight: 700;
      color: var(--primary-glow);
      font-family: var(--font-mono);
    }
    .stat-label {
      color: var(--text-light);
      margin-top: 8px;
    }

    /* 服务瀑布流 */
    .service-row {
      display: flex;
      align-items: center;
      gap: 40px;
      margin-bottom: 64px;
      flex-wrap: wrap;
    }
    .service-text {
      flex: 1 1 45%;
    }
    .service-img {
      flex: 1 1 45%;
      background: #1e1e1e;
      border-radius: var(--radius-md);
      overflow: hidden;
      position: relative;
      min-height: 260px;
      background-size: cover;
      background-position: center;
    }
    .service-img::after {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0; bottom: 0;
      background: linear-gradient(135deg, rgba(0,230,118,0.2) 0%, rgba(0,0,0,0.7) 100%);
    }
    .service-text h3 {
      font-size: 1.5rem;
      font-weight: 600;
      color: var(--text-white);
      margin-bottom: 14px;
    }
    .feature-list {
      list-style: none;
      margin-top: 12px;
    }
    .feature-list li {
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .feature-list li i {
      color: var(--primary-glow);
    }

    /* 方案对比 */
    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .plan-card {
      background: var(--bg-card);
      border-radius: var(--radius-md);
      padding: 32px 20px;
      border: 1px solid var(--border-subtle);
      text-align: center;
      display: flex;
      flex-direction: column;
    }
    .plan-card.featured {
      border-color: var(--primary-glow);
      position: relative;
    }
    .popular-tag {
      background: var(--primary-glow);
      color: #0D0D0D;
      font-weight: 700;
      font-size: 0.8rem;
      padding: 4px 12px;
      border-radius: 20px;
      position: absolute;
      top: -12px;
      right: 20px;
    }
    .plan-price {
      font-size: 2rem;
      font-weight: 700;
      color: var(--text-white);
      margin: 16px 0;
    }
    .plan-features {
      list-style: none;
      text-align: left;
      margin: 20px 0;
      flex: 1;
    }
    .plan-features li {
      padding: 8px 0;
      border-bottom: 1px solid var(--border-subtle);
    }

    /* FAQ */
    .accordion-item {
      background: var(--bg-charcoal);
      margin-bottom: 8px;
      border-radius: var(--radius-sm);
    }
    .accordion-title {
      background: var(--bg-charcoal);
      color: var(--text-white);
      padding: 16px 20px;
      font-weight: 500;
      border-bottom: 1px solid transparent;
    }
    .accordion-title::before {
      color: var(--primary-glow);
    }
    .accordion-content {
      background: var(--bg-card);
      color: var(--text-light);
      padding: 16px 20px;
      border-top: 1px solid var(--border-subtle);
    }

    /* CTA 横幅 */
    .cta-banner {
      background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      background-blend-mode: overlay;
      background-color: rgba(0,0,0,0.85);
      text-align: center;
      padding: 80px 20px;
    }
    .cta-banner h2 {
      font-size: 2.4rem;
      color: white;
    }

    /* 页脚 */
    .footer {
      background: #0D0D0D;
      border-top: 2px solid var(--primary-glow);
      padding: 48px 0 24px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
    }
    .footer-bottom {
      margin-top: 32px;
      text-align: center;
      color: var(--text-muted);
      font-size: 0.85rem;
    }

    @media (max-width: 1024px) {
      .hero { flex-direction: column; }
      .hero-left, .hero-right { flex: auto; width: 100%; }
      .highlight-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 640px) {
      .nav-links { display: none; flex-direction: column; background: #0D0D0D; position: absolute; top: 64px; left: 0; width: 100%; padding: 20px; }
      .nav-links.active { display: flex; }
      .mobile-toggle { display: block; }
      .highlight-grid { grid-template-columns: 1fr; }
      .pricing-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }