/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');
    
    :root {
      --primary: #F85C3A;
      --primary-hover: #E04A2E;
      --deep-green: #1A2E2B;
      --accent-cyan: #00C9A7;
      --warm-gray: #F7F5F2;
      --border-light: #D1CBC3;
      --card-shadow: 0 4px 20px rgba(0,0,0,0.04);
      --card-hover-shadow: 0 12px 32px rgba(0,0,0,0.08);
      --radius-card: 12px;
      --radius-btn: 8px;
      --radius-pill: 40px;
      --text-main: #1E1E1E;
      --text-secondary: #5A5A5A;
      --text-on-dark: #FFFFFF;
      --bg-glass: rgba(26, 46, 43, 0.85);
    }

    * {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      font-family: 'PingFang SC', 'Microsoft YaHei', 'Inter', system-ui, -apple-system, sans-serif;
      background-color: var(--warm-gray);
      color: var(--text-main);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

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

    .container {
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 1.5rem;
      padding-right: 1.5rem;
    }

    /* 悬浮胶囊导航 */
    .nav-capsule {
      position: fixed;
      top: 1.5rem;
      left: 50%;
      transform: translateX(-50%);
      width: auto;
      max-width: 90vw;
      background: var(--bg-glass);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-radius: var(--radius-pill);
      padding: 0.5rem 1.8rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 2rem;
      z-index: 1000;
      box-shadow: 0 8px 24px rgba(0,0,0,0.2);
      border: 1px solid rgba(255,255,255,0.15);
      transition: all 0.3s ease;
    }

    .nav-logo {
      font-weight: 700;
      font-size: 1.25rem;
      color: white;
      letter-spacing: 0.5px;
      white-space: nowrap;
      display: flex;
      align-items: center;
      gap: 0.25rem;
    }
    .nav-logo span {
      color: var(--primary);
    }

    .nav-links {
      display: flex;
      gap: 1.8rem;
      align-items: center;
    }

    .nav-links a {
      color: rgba(255,255,255,0.85);
      text-decoration: none;
      font-weight: 500;
      font-size: 0.95rem;
      transition: color 0.2s;
      position: relative;
      padding-bottom: 4px;
    }

    .nav-links a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 0;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
      transition: width 0.2s ease;
    }

    .nav-links a:hover {
      color: white;
    }
    .nav-links a:hover::after,
    .nav-links a.active::after {
      width: 70%;
    }

    /* 移动端底部导航 */
    .mobile-bottom-nav {
      display: none;
    }

    @media (max-width: 1023px) {
      .nav-capsule {
        display: none;
      }
      .mobile-bottom-nav {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: rgba(26, 46, 43, 0.92);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-top: 1px solid rgba(255,255,255,0.2);
        justify-content: space-around;
        align-items: center;
        padding: 0.6rem 0.5rem;
        z-index: 1000;
        border-radius: 24px 24px 0 0;
      }
      .mobile-bottom-nav a {
        color: rgba(255,255,255,0.8);
        text-decoration: none;
        font-size: 0.7rem;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 2px;
        font-weight: 500;
      }
      .mobile-bottom-nav a svg {
        width: 22px;
        height: 22px;
      }
      .mobile-bottom-nav a.active {
        color: var(--primary);
      }
    }

    /* 卡片与组件 */
    .card {
      background: white;
      border-radius: var(--radius-card);
      box-shadow: var(--card-shadow);
      transition: box-shadow 0.25s ease, transform 0.2s ease;
      padding: 1.8rem;
      height: 100%;
    }
    .card:hover {
      box-shadow: var(--card-hover-shadow);
      transform: translateY(-4px);
    }

    .btn-primary {
      background: var(--primary);
      color: white;
      font-weight: 600;
      padding: 0.8rem 2rem;
      border-radius: var(--radius-btn);
      border: none;
      cursor: pointer;
      display: inline-block;
      text-decoration: none;
      transition: background 0.2s, transform 0.1s;
      box-shadow: 0 4px 12px rgba(248,92,58,0.3);
    }
    .btn-primary:hover {
      background: var(--primary-hover);
      transform: scale(1.02);
    }

    .btn-outline {
      background: transparent;
      border: 1.5px solid var(--primary);
      color: var(--primary);
      font-weight: 600;
      padding: 0.6rem 1.6rem;
      border-radius: var(--radius-btn);
      transition: all 0.2s;
      text-decoration: none;
      display: inline-block;
    }
    .btn-outline:hover {
      background: rgba(248,92,58,0.08);
      border-color: var(--primary-hover);
      color: var(--primary-hover);
    }

    .section-title {
      font-size: 2rem;
      font-weight: 700;
      color: var(--deep-green);
      margin-bottom: 0.75rem;
      letter-spacing: -0.3px;
    }

    .data-highlight {
      color: var(--accent-cyan);
      font-weight: 700;
      font-size: 2.4rem;
      line-height: 1.2;
      font-feature-settings: "tnum";
    }

    .progress-bar-bg {
      background: #E5E0DA;
      border-radius: 20px;
      height: 10px;
      width: 100%;
    }
    .progress-fill {
      background: var(--primary);
      height: 10px;
      border-radius: 20px;
      width: 0%;
    }

    details summary {
      list-style: none;
      cursor: pointer;
      font-weight: 600;
      color: var(--deep-green);
      padding: 1.2rem 0;
      border-bottom: 1px solid #E5E0DA;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    details summary::-webkit-details-marker {
      display: none;
    }
    details[open] summary {
      border-bottom: none;
    }
    details .faq-content {
      padding-bottom: 1.2rem;
      color: var(--text-secondary);
      border-bottom: 1px solid #E5E0DA;
    }