/* roulang page: index */
:root {
      --primary: #0A3D2E;
      --accent: #E85D04;
      --accent-hover: #C44B03;
      --warm: #F4A261;
      --bg: #F9F6F0;
      --dark-bg: #1B1B1B;
      --card: #FFFFFF;
      --text: #1E1E1E;
      --text-secondary: #5C5C5C;
      --live: #2A9D8F;
      --ended: #6C757D;
      --upcoming: #E76F51;
      --radius-card: 12px;
      --radius-btn: 8px;
      --radius-tag: 6px;
      --shadow-sm: 0 2px 12px rgba(0,0,0,0.06);
      --shadow-hover: 0 8px 24px rgba(0,0,0,0.12);
      --font-chinese: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans SC", sans-serif;
      --font-number: "Inter", "Roboto", sans-serif;
      --max-width: 1200px;
      --nav-height: 72px;
      --transition: 0.25s ease;
    }

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

    body {
      font-family: var(--font-chinese);
      background-color: var(--bg);
      color: var(--text);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }

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

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

    button, .btn {
      cursor: pointer;
      font-family: var(--font-chinese);
      border: none;
      background: none;
      font-weight: 600;
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: var(--radius-btn);
    }

    .container {
      max-width: var(--max-width);
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 导航 */
    .nav {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: var(--nav-height);
      background: rgba(249, 246, 240, 0.85);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      z-index: 1000;
      display: flex;
      align-items: center;
      transition: background var(--transition), box-shadow var(--transition);
      border-bottom: 1px solid transparent;
    }

    .nav.scrolled {
      background: rgba(255, 255, 255, 0.98);
      box-shadow: 0 4px 20px rgba(0,0,0,0.04);
      border-bottom: 1px solid rgba(0,0,0,0.03);
    }

    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
      max-width: var(--max-width);
      margin: 0 auto;
      padding: 0 24px;
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      font-size: 1.5rem;
      color: var(--primary);
    }

    .logo svg {
      width: 32px;
      height: 32px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 32px;
      font-weight: 500;
      color: var(--text);
    }

    .nav-links a {
      padding: 8px 0;
      border-bottom: 3px solid transparent;
      transition: border-color var(--transition), color var(--transition);
    }

    .nav-links a:hover,
    .nav-links a.active {
      color: var(--accent);
      border-bottom-color: var(--accent);
    }

    .btn-primary {
      background: var(--accent);
      color: white;
      padding: 14px 32px;
      font-weight: 600;
      border-radius: var(--radius-btn);
    }

    .btn-primary:hover {
      background: var(--accent-hover);
      transform: translateY(-2px);
      box-shadow: 0 8px 18px rgba(232, 93, 4, 0.25);
    }

    .btn-outline {
      border: 2px solid var(--primary);
      color: var(--primary);
      background: transparent;
      padding: 12px 32px;
      font-weight: 600;
    }

    .btn-outline:hover {
      background: var(--primary);
      color: white;
    }

    .btn-ghost {
      border: 2px solid white;
      color: white;
      padding: 12px 32px;
      background: transparent;
    }

    .btn-ghost:hover {
      background: white;
      color: var(--primary);
    }

    .hamburger {
      display: none;
      flex-direction: column;
      gap: 5px;
      cursor: pointer;
      z-index: 1100;
    }

    .hamburger span {
      width: 28px;
      height: 3px;
      background: var(--primary);
      border-radius: 3px;
      transition: var(--transition);
    }

    .mobile-menu {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100vh;
      background: var(--bg);
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 32px;
      z-index: 1050;
      font-size: 1.5rem;
    }

    .mobile-menu.active {
      display: flex;
    }

    /* Hero */
    .hero {
      padding: calc(var(--nav-height) + 48px) 0 64px;
      display: grid;
      grid-template-columns: 55% 45%;
      gap: 40px;
      align-items: center;
    }

    .hero-left h1 {
      font-weight: 800;
      font-size: clamp(2.5rem, 5vw, 4rem);
      letter-spacing: -0.02em;
      line-height: 1.15;
      color: var(--primary);
    }

    .hero-sub {
      font-size: 1.2rem;
      color: var(--text-secondary);
      margin: 24px 0 32px;
    }

    .hero-buttons {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }

    .hero-right {
      position: relative;
      background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      border-radius: 24px;
      min-height: 380px;
      display: flex;
      align-items: flex-end;
      justify-content: center;
      padding: 24px;
      box-shadow: var(--shadow-hover);
    }

    .live-card {
      background: rgba(255,255,255,0.95);
      backdrop-filter: blur(8px);
      border-radius: var(--radius-card);
      padding: 18px 28px;
      display: flex;
      gap: 20px;
      align-items: center;
      width: fit-content;
      box-shadow: 0 12px 28px rgba(0,0,0,0.08);
    }

    .team-badge {
      width: 44px;
      height: 44px;
      background: var(--accent);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-weight: bold;
      font-family: var(--font-number);
    }

    .match-info {
      text-align: center;
    }

    .score {
      font-size: 1.6rem;
      font-weight: 700;
      font-family: var(--font-number);
    }

    .status-live {
      color: var(--live);
      font-weight: 600;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .pulse {
      width: 8px;
      height: 8px;
      background: var(--live);
      border-radius: 50%;
      animation: pulse-anim 1.2s infinite;
    }

    @keyframes pulse-anim {
      0% { opacity: 0.4; transform: scale(0.8); }
      50% { opacity: 1; transform: scale(1.2); }
      100% { opacity: 0.4; transform: scale(0.8); }
    }

    /* 区块通用 */
    .section {
      padding: 80px 0;
    }

    .section-title {
      text-align: center;
      margin-bottom: 16px;
    }

    .section-title h2 {
      font-weight: 700;
      font-size: clamp(1.8rem, 3.5vw, 2.5rem);
      color: var(--primary);
    }

    .section-desc {
      text-align: center;
      color: var(--text-secondary);
      max-width: 680px;
      margin: 0 auto 48px;
    }

    /* 数据带 */
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      text-align: center;
      background: rgba(10, 61, 46, 0.03);
      border-radius: var(--radius-card);
      padding: 36px 16px;
      gap: 16px;
    }

    .stat-number {
      font-size: 2.5rem;
      font-weight: 700;
      color: var(--primary);
      font-family: var(--font-number);
    }

    /* 亮点网格不规则 */
    .highlights-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .highlight-card {
      background: var(--card);
      border-radius: var(--radius-card);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .highlight-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
    }

    .highlight-card.large {
      grid-column: span 2;
      background: linear-gradient(rgba(0,0,0,0.55), rgba(0,0,0,0.65)), url('/assets/images/coverpic/cover-1.webp') center/cover;
      color: white;
    }

    .icon-circle {
      width: 44px;
      height: 44px;
      background: rgba(10,61,46,0.08);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 18px;
      font-size: 1.4rem;
    }

    /* 赛事瀑布流 */
    .matches-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
      gap: 22px;
    }

    .match-card {
      background: var(--card);
      border-radius: var(--radius-card);
      padding: 22px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      gap: 14px;
      transition: var(--transition);
    }

    .match-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
    }

    .match-teams {
      display: flex;
      align-items: center;
      justify-content: space-around;
    }

    .tag {
      background: var(--warm);
      color: var(--primary);
      font-weight: 600;
      padding: 4px 12px;
      border-radius: 20px;
      font-size: 0.8rem;
      width: fit-content;
    }

    .status-badge {
      padding: 6px 14px;
      border-radius: 20px;
      font-weight: 600;
      font-size: 0.85rem;
    }

    /* 方案 */
    .plans-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .plan-card {
      background: var(--card);
      padding: 36px 28px;
      border-radius: 20px;
      box-shadow: var(--shadow-sm);
      text-align: center;
      position: relative;
      transition: var(--transition);
      border: 2px solid transparent;
    }

    .plan-card.recommended {
      border-color: var(--accent);
      transform: scale(1.03);
      box-shadow: 0 18px 30px rgba(232,93,4,0.1);
    }

    .plan-badge {
      position: absolute;
      top: -10px;
      right: 20px;
      background: var(--accent);
      color: white;
      padding: 4px 20px;
      border-radius: 20px;
      font-weight: 600;
    }

    /* FAQ */
    .faq-item {
      background: var(--card);
      border-radius: var(--radius-card);
      margin-bottom: 14px;
      box-shadow: 0 4px 14px rgba(0,0,0,0.03);
      overflow: hidden;
    }

    .faq-question {
      padding: 22px;
      font-weight: 600;
      display: flex;
      justify-content: space-between;
      cursor: pointer;
      background: transparent;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
      padding: 0 22px;
      color: var(--text-secondary);
    }

    .faq-item.open .faq-answer {
      max-height: 150px;
      padding-bottom: 22px;
    }

    /* CTA横幅 */
    .cta-banner {
      background: var(--dark-bg);
      color: white;
      text-align: center;
      padding: 90px 24px;
      border-radius: 28px;
      margin: 60px 0;
    }

    .partner-logos {
      display: flex;
      justify-content: center;
      gap: 32px;
      margin-top: 32px;
      opacity: 0.7;
      filter: grayscale(0.8);
    }

    /* Footer */
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 36px;
      background: var(--primary);
      color: #F9F6F0;
      padding: 64px 24px;
      border-radius: 28px 28px 0 0;
      margin-top: 40px;
    }

    .copyright {
      text-align: center;
      padding: 20px;
      background: #0D3128;
      color: #ccc;
    }

    @media (max-width: 1024px) {
      .hero {
        grid-template-columns: 1fr;
      }
      .highlights-grid {
        grid-template-columns: repeat(2,1fr);
      }
      .plans-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .nav-links { display: none; }
      .hamburger { display: flex; }
      .stats-grid { grid-template-columns: 1fr 1fr; }
    }