/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');

    :root {
      --primary: #1A1A2E;
      --accent: #C9A96E;
      --bg-warm: #F5F2EB;
      --wine: #8B0000;
      --text-body: #2C2C2C;
      --text-muted: #5C5C5C;
      --border-light: #E0DCD3;
      --card-bg: #FFFAF5;
      --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.04);
      --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
      --radius-card: 12px;
      --radius-btn: 8px;
      --transition: 0.3s ease;
      --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'Inter', sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      font-family: var(--font-sans);
      background-color: var(--bg-warm);
      color: var(--text-body);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

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

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

    .container {
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    @media (max-width: 768px) {
      .container {
        padding-left: 16px;
        padding-right: 16px;
      }
    }

    /* 导航 */
    #nav {
      position: sticky;
      top: 0;
      z-index: 50;
      background-color: var(--primary);
      height: 72px;
      display: flex;
      align-items: center;
      box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    }

    .nav-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }

    .logo-area {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .logo-text {
      font-size: 1.6rem;
      font-weight: 700;
      color: var(--accent);
      letter-spacing: 2px;
      white-space: nowrap;
    }

    .logo-divider {
      width: 1px;
      height: 24px;
      background-color: #5C5C5C;
    }

    .domain-text {
      color: #5C5C5C;
      font-size: 0.9rem;
      font-weight: 400;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 28px;
    }

    .nav-links a {
      color: #E0DCD3;
      font-weight: 500;
      font-size: 0.95rem;
      position: relative;
      padding-bottom: 4px;
      transition: color 0.2s;
    }

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

    .nav-links a.active::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: -8px;
      width: 100%;
      height: 2px;
      background-color: var(--accent);
    }

    .search-icon {
      color: #E0DCD3;
      font-size: 1.2rem;
      cursor: default;
      transition: 0.2s;
    }

    .search-icon:hover {
      color: var(--accent);
      transform: scale(1.1);
    }

    .hamburger {
      display: none;
      font-size: 1.8rem;
      color: #E0DCD3;
      cursor: pointer;
      background: none;
      border: none;
      padding: 8px;
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: fixed;
        top: 72px;
        left: 0;
        width: 100%;
        height: calc(100vh - 72px);
        background: var(--primary);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 32px;
        z-index: 40;
      }
      .nav-links.open {
        display: flex;
      }
      .hamburger {
        display: block;
      }
      .search-icon {
        display: none;
      }
      .domain-text {
        display: none;
      }
      .logo-divider {
        display: none;
      }
    }

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

    @media (max-width: 768px) {
      section {
        padding: 56px 0;
      }
    }

    h2 {
      font-size: 2rem;
      font-weight: 600;
      color: var(--primary);
      line-height: 1.3;
      margin-bottom: 16px;
      position: relative;
      display: inline-block;
    }

    h2::after {
      content: '';
      display: block;
      width: 60px;
      height: 2px;
      background-color: var(--accent);
      margin-top: 12px;
    }

    .section-header {
      text-align: center;
      margin-bottom: 48px;
    }

    h3 {
      font-size: 1.25rem;
      font-weight: 600;
      color: var(--primary);
      margin-bottom: 8px;
    }

    .btn-primary {
      background-color: var(--accent);
      color: var(--primary);
      font-weight: 600;
      border-radius: var(--radius-btn);
      padding: 14px 32px;
      display: inline-block;
      transition: var(--transition);
      border: none;
      cursor: pointer;
      font-size: 1rem;
      text-align: center;
    }

    .btn-primary:hover {
      background-color: #B8934A;
      transform: translateY(-1px);
    }

    .btn-outline {
      background: transparent;
      border: 2px solid var(--accent);
      color: var(--accent);
      font-weight: 600;
      border-radius: var(--radius-btn);
      padding: 12px 28px;
      transition: var(--transition);
      display: inline-block;
    }

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

    .card {
      background: var(--card-bg);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      padding: 28px;
      height: 100%;
    }

    .card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
    }

    /* Hero */
    #hero {
      background-image: url('/assets/images/backpic/back-1.webp');
      background-size: cover;
      background-position: center;
      position: relative;
      padding: 140px 0 120px;
      color: white;
    }

    #hero::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0; bottom: 0;
      background: linear-gradient(180deg, rgba(26,26,46,0.7) 0%, #1A1A2E 95%);
    }

    .hero-content {
      position: relative;
      z-index: 2;
      text-align: center;
    }

    h1 {
      font-size: 3rem;
      font-weight: 700;
      line-height: 1.2;
      color: white;
      margin-bottom: 20px;
    }

    @media (max-width: 768px) {
      h1 {
        font-size: 2rem;
      }
      h2 {
        font-size: 1.5rem;
      }
    }

    .hero-sub {
      font-size: 1.25rem;
      color: #F5F2EB;
      margin-bottom: 40px;
      font-weight: 400;
    }

    .scroll-down {
      margin-top: 48px;
      font-size: 2rem;
      animation: bounce 2s infinite;
      color: var(--accent);
    }

    @keyframes bounce {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(8px); }
    }

    /* 其他区块背景 */
    .bg-light {
      background-color: #FFFFFF;
    }

    .bg-primary-soft {
      background-color: var(--primary);
      color: white;
    }

    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 32px;
      align-items: center;
    }

    @media (max-width: 768px) {
      .grid-3, .grid-2 {
        grid-template-columns: 1fr;
      }
    }

    .scenario-row {
      display: flex;
      gap: 40px;
      align-items: center;
      margin-bottom: 56px;
    }

    .scenario-row.reverse {
      flex-direction: row-reverse;
    }

    @media (max-width: 768px) {
      .scenario-row, .scenario-row.reverse {
        flex-direction: column;
      }
    }

    .data-number {
      font-size: 2.5rem;
      font-weight: 700;
      color: var(--accent);
    }

    .pricing-col {
      background: var(--card-bg);
      border-radius: var(--radius-card);
      padding: 32px 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      transition: var(--transition);
      border: 2px solid transparent;
    }

    .pricing-col.featured {
      border-color: var(--accent);
      transform: scale(1.02);
      position: relative;
    }

    .badge {
      background: var(--wine);
      color: white;
      padding: 4px 16px;
      border-radius: 20px;
      font-size: 0.8rem;
      font-weight: 600;
      position: absolute;
      top: -12px;
      right: 20px;
    }

    .faq-item {
      border-bottom: 1px solid var(--border-light);
      padding: 20px 0;
    }

    .faq-question {
      font-weight: 600;
      font-size: 1.1rem;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      color: var(--primary);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.4s ease;
      color: var(--text-muted);
    }

    .faq-answer.open {
      max-height: 200px;
      margin-top: 12px;
    }

    footer {
      background: var(--primary);
      color: #E0DCD3;
      padding: 56px 0 24px;
    }