/* roulang page: index */
:root {
      --primary: #0A3D2E;
      --primary-light: #0F5A45;
      --accent-gold: #F5B042;
      --accent-red: #D93829;
      --bg-warm: #F9F8F6;
      --card-bg: #FFFFFF;
      --text-main: #1E2B26;
      --text-secondary: #4A5B54;
      --text-light: #7A8A83;
      --border-light: rgba(10,61,46,0.08);
      --shadow-card: 0 4px 20px rgba(10,61,46,0.08);
      --shadow-hover: 0 12px 32px rgba(10,61,46,0.15);
      --radius-xl: 20px;
      --radius-lg: 16px;
      --radius-md: 12px;
      --radius-pill: 40px;
      --font-sans: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
      --font-numbers: "Inter", "Roboto", sans-serif;
      --transition: all 0.25s ease;
    }
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      font-family: var(--font-sans);
      background-color: var(--bg-warm);
      color: var(--text-main);
      line-height: 1.7;
      font-weight: 400;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }
    .container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    a {
      text-decoration: none;
      color: inherit;
    }
    button {
      font-family: inherit;
      cursor: pointer;
      border: none;
      background: transparent;
      font-size: inherit;
    }
    h1, h2, h3, h4 {
      font-weight: 700;
    }
    /* 导航 */
    .nav-scroll {
      position: fixed;
      top: 24px;
      left: 50%;
      transform: translateX(-50%);
      z-index: 1000;
      width: auto;
      background: rgba(255,255,255,0.92);
      backdrop-filter: blur(12px);
      border-radius: var(--radius-pill);
      padding: 8px 20px;
      box-shadow: 0 2px 16px rgba(0,0,0,0.04);
      display: flex;
      align-items: center;
      gap: 24px;
      border: 1px solid rgba(10,61,46,0.05);
    }
    .logo-brand {
      font-weight: 800;
      font-size: 1.3rem;
      color: var(--primary);
      letter-spacing: 1px;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .logo-brand span {
      color: var(--accent-gold);
    }
    .nav-links {
      display: flex;
      gap: 8px;
    }
    .nav-item {
      padding: 6px 16px;
      border-radius: 20px;
      font-weight: 500;
      color: var(--text-secondary);
      transition: var(--transition);
      font-size: 0.95rem;
    }
    .nav-item:hover, .nav-item.active {
      background: var(--primary);
      color: white;
    }
    .nav-cta {
      background: var(--accent-red);
      color: white;
      padding: 6px 18px;
      border-radius: var(--radius-pill);
      font-weight: 600;
      font-size: 0.9rem;
      margin-left: 8px;
    }
    .mobile-nav {
      display: none;
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 64px;
      background: white;
      box-shadow: 0 -4px 12px rgba(0,0,0,0.04);
      z-index: 1000;
      justify-content: space-around;
      align-items: center;
      border-top: 1px solid rgba(0,0,0,0.05);
    }
    .mobile-nav a {
      display: flex;
      flex-direction: column;
      align-items: center;
      font-size: 0.7rem;
      color: var(--text-secondary);
      transition: 0.2s;
      gap: 4px;
    }
    .mobile-nav a.active-mob {
      color: var(--accent-gold);
      font-weight: 600;
    }
    /* Hero */
    .hero {
      padding: 140px 0 80px;
      display: flex;
      align-items: center;
      gap: 40px;
    }
    .hero-left {
      flex: 1;
    }
    .hero-left h1 {
      font-size: 3.5rem;
      font-weight: 800;
      line-height: 1.2;
      color: var(--primary);
    }
    .gold-highlight {
      background: linear-gradient(135deg, #F5B042 0%, #D9941A 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .hero-sub {
      font-size: 1.2rem;
      color: var(--text-secondary);
      margin: 20px 0 32px;
      font-weight: 400;
    }
    .btn-group {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }
    .btn-primary {
      background: var(--accent-red);
      color: white;
      padding: 14px 32px;
      border-radius: var(--radius-md);
      font-weight: 700;
      transition: 0.2s;
      box-shadow: 0 4px 12px rgba(217,56,41,0.3);
    }
    .btn-primary:hover {
      background: #B52E20;
      transform: scale(1.03);
    }
    .btn-outline {
      padding: 14px 32px;
      border-radius: var(--radius-md);
      border: 2px solid var(--primary);
      color: var(--primary);
      font-weight: 700;
      transition: 0.2s;
    }
    .btn-outline:hover {
      background: rgba(10,61,46,0.1);
    }
    .hero-right {
      flex: 1;
      position: relative;
      display: flex;
      justify-content: center;
    }
    .live-card-stack {
      position: relative;
      width: 320px;
    }
    .live-card {
      background: white;
      border-radius: var(--radius-xl);
      padding: 20px;
      box-shadow: var(--shadow-card);
      position: relative;
      z-index: 2;
      background-image: url('/assets/images/backpic/back-1.webp');
      background-size: cover;
      background-blend-mode: overlay;
      background-color: rgba(255,255,255,0.85);
    }
    .live-card::after {
      content: '';
      position: absolute;
      top: 15px;
      left: 15px;
      width: 100%;
      height: 100%;
      background: white;
      border-radius: var(--radius-xl);
      z-index: -1;
      opacity: 0.5;
      transform: rotate(3deg);
      box-shadow: var(--shadow-card);
    }
    .live-card::before {
      content: '';
      position: absolute;
      top: 30px;
      left: 30px;
      width: 100%;
      height: 100%;
      background: rgba(255,255,255,0.8);
      border-radius: var(--radius-xl);
      z-index: -2;
      opacity: 0.3;
      transform: rotate(5deg);
    }
    .odds-row {
      display: flex;
      justify-content: space-between;
      font-family: var(--font-numbers);
      font-weight: 700;
      margin-top: 12px;
    }
    .odds-item {
      background: var(--accent-gold);
      padding: 8px 16px;
      border-radius: 20px;
      color: #1E2B26;
    }
    /* 亮点网格 */
    .section {
      padding: 100px 0;
    }
    .section-title {
      font-size: 2.2rem;
      margin-bottom: 40px;
      color: var(--primary);
      position: relative;
    }
    .highlight-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 24px;
    }
    .highlight-card {
      background: var(--card-bg);
      border-radius: var(--radius-xl);
      padding: 32px;
      box-shadow: var(--shadow-card);
      transition: var(--transition);
    }
    .highlight-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }
    .highlight-card.wide {
      grid-column: span 2;
      background: linear-gradient(135deg, #FFFFFF 0%, #F4F9F7 100%);
    }
    .icon-placeholder {
      font-size: 2rem;
      background: rgba(10,61,46,0.08);
      width: 60px;
      height: 60px;
      border-radius: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
    }
    .badge-number {
      font-family: var(--font-numbers);
      font-size: 2rem;
      font-weight: 700;
      color: var(--accent-gold);
    }
    /* 瀑布流 */
    .showcase-grid {
      display: flex;
      gap: 24px;
    }
    .col-left {
      width: 60%;
      display: flex;
      flex-direction: column;
      gap: 24px;
    }
    .col-right {
      width: 40%;
      display: flex;
      flex-direction: column;
      gap: 24px;
    }
    .event-card {
      background: #FAFAFA;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      border-left: 6px solid var(--primary);
      transition: 0.25s;
      display: flex;
      flex-direction: column;
    }
    .event-card:hover {
      border-left-color: var(--accent-gold);
    }
    .event-img {
      height: 180px;
      background-size: cover;
    }
    .event-body {
      padding: 20px;
    }
    /* 对比 */
    .compare-row {
      display: flex;
      gap: 20px;
      align-items: flex-start;
    }
    .plan-card {
      flex: 1;
      background: #F4F6F5;
      border-radius: var(--radius-xl);
      padding: 32px 24px;
      text-align: center;
    }
    .plan-card.popular {
      background: white;
      transform: scale(1.05);
      box-shadow: var(--shadow-hover);
      border-top: 5px solid var(--accent-gold);
    }
    .crown-badge {
      background: var(--accent-gold);
      color: #1E2B26;
      padding: 4px 12px;
      border-radius: 20px;
      font-size: 0.8rem;
      font-weight: 700;
    }
    /* FAQ */
    .faq-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }
    .faq-item {
      background: white;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-light);
    }
    .faq-question {
      padding: 20px;
      font-weight: 600;
      display: flex;
      justify-content: space-between;
      cursor: pointer;
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: 0.3s;
      background: #F4F9F7;
      padding: 0 20px;
      color: var(--text-secondary);
    }
    .faq-item.active .faq-answer {
      max-height: 200px;
      padding: 20px;
    }
    /* CTA 底 */
    .cta-block {
      background: linear-gradient(135deg, #0A3D2E 0%, #0F5A45 100%);
      border-radius: var(--radius-xl);
      padding: 70px 40px;
      text-align: center;
      color: white;
    }
    .btn-large {
      background: var(--accent-red);
      padding: 18px 48px;
      font-size: 1.2rem;
      border-radius: 40px;
    }
    /* footer */
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.2fr;
      gap: 40px;
      padding: 60px 0 30px;
    }
    .copyright {
      border-top: 1px solid rgba(245,176,66,0.4);
      text-align: center;
      padding: 20px;
    }
    @media (max-width: 1024px) {
      .hero {
        flex-direction: column;
        padding-top: 120px;
      }
      .highlight-grid {
        grid-template-columns: 1fr 1fr;
      }
      .showcase-grid {
        flex-direction: column;
      }
      .col-left, .col-right {
        width: 100%;
      }
      .compare-row {
        flex-direction: column;
      }
    }
    @media (max-width: 768px) {
      .nav-scroll {
        display: none;
      }
      .mobile-nav {
        display: flex;
      }
      .hero-left h1 {
        font-size: 2.5rem;
      }
      .hero {
        padding: 60px 0 40px;
      }
      .faq-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .highlight-grid {
        grid-template-columns: 1fr;
      }
      .highlight-card.wide {
        grid-column: span 1;
      }
    }