/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');
    :root {
      --primary: #1A0A2E;
      --accent-gold: #D4AF37;
      --accent-green: #2ECC71;
      --bg-soft: #F8F6F2;
      --text-main: #2D2A26;
      --text-muted: #5A5650;
      --card-bg: #FFFFFF;
      --card-shadow: 0 4px 20px rgba(26, 10, 46, 0.04);
      --card-hover-shadow: 0 12px 32px rgba(26, 10, 46, 0.1);
      --border-light: rgba(212, 175, 55, 0.15);
      --radius-card: 16px;
      --radius-btn: 9999px;
      --radius-input: 12px;
      --radius-section: 24px;
      --nav-height: 72px;
      --transition-smooth: all 0.25s ease;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
      background-color: var(--bg-soft);
      color: var(--text-main);
      line-height: 1.75;
      font-weight: 400;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: var(--transition-smooth);
    }
    button, .btn {
      cursor: pointer;
      font-family: inherit;
      transition: var(--transition-smooth);
    }
    .container {
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 1.5rem;
      padding-right: 1.5rem;
    }
    /* 导航 */
    #header {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: var(--nav-height);
      background: white;
      box-shadow: 0 2px 12px rgba(0,0,0,0.06);
      z-index: 50;
      border-bottom: 1px solid rgba(0,0,0,0.06);
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 100%;
    }
    .logo-area {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      color: var(--primary);
      font-weight: 700;
      font-size: 1.4rem;
      letter-spacing: -0.3px;
    }
    .logo-icon {
      font-size: 2rem;
      color: var(--accent-gold);
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 2rem;
    }
    .nav-links a {
      color: #4A4A4A;
      font-weight: 500;
      padding-bottom: 4px;
      border-bottom: 2px solid transparent;
    }
    .nav-links a:hover {
      color: var(--accent-gold);
      border-bottom-color: var(--accent-gold);
    }
    .search-box {
      display: flex;
      align-items: center;
      background: #F0EDE8;
      border-radius: var(--radius-input);
      padding: 0.4rem 1rem;
      margin-right: 1rem;
    }
    .search-box i {
      color: var(--text-muted);
      font-size: 0.9rem;
      margin-right: 0.4rem;
    }
    .search-box input {
      border: none;
      background: transparent;
      outline: none;
      font-size: 0.9rem;
      width: 120px;
    }
    .btn-gold {
      background: var(--accent-gold);
      color: var(--primary);
      font-weight: 700;
      padding: 0.6rem 1.8rem;
      border-radius: var(--radius-btn);
      border: none;
      font-size: 0.95rem;
      letter-spacing: 0.3px;
      box-shadow: 0 4px 12px rgba(212, 175, 55, 0.25);
      transition: var(--transition-smooth);
    }
    .btn-gold:hover {
      filter: brightness(1.1);
      box-shadow: 0 6px 18px rgba(212, 175, 55, 0.4);
    }
    .btn-outline-gold {
      background: transparent;
      border: 2px solid var(--accent-gold);
      color: var(--accent-gold);
      font-weight: 600;
      padding: 0.5rem 1.8rem;
      border-radius: var(--radius-btn);
    }
    .btn-outline-gold:hover {
      background: rgba(212, 175, 55, 0.1);
    }
    .mobile-menu-btn {
      display: none;
      font-size: 1.8rem;
      color: var(--primary);
    }
    /* Hero */
    #hero {
      min-height: 90vh;
      background: linear-gradient(90deg, rgba(26,10,46,0.7) 0%, rgba(26,10,46,0.2) 70%, transparent 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      display: flex;
      align-items: center;
      margin-top: var(--nav-height);
      position: relative;
    }
    .hero-content {
      max-width: 650px;
      color: white;
    }
    .hero-content h1 {
      font-size: 3.5rem;
      font-weight: 800;
      letter-spacing: -0.02em;
      line-height: 1.15;
      text-shadow: 0 4px 12px rgba(0,0,0,0.4);
      margin-bottom: 1.5rem;
    }
    .hero-sub {
      font-size: 1.3rem;
      opacity: 0.9;
      margin-bottom: 2rem;
    }
    .btn-group {
      display: flex;
      gap: 1rem;
      flex-wrap: wrap;
    }
    /* 区块标题 */
    .section-title {
      font-size: 2.25rem;
      font-weight: 700;
      letter-spacing: -0.01em;
      margin-bottom: 1rem;
      color: var(--primary);
    }
    .section-desc {
      color: var(--text-muted);
      max-width: 700px;
      margin-bottom: 2.5rem;
    }
    /* 卡片通用 */
    .card {
      background: var(--card-bg);
      border-radius: var(--radius-card);
      padding: 1.8rem;
      box-shadow: var(--card-shadow);
      border: 1px solid var(--border-light);
      transition: var(--transition-smooth);
    }
    .card:hover {
      transform: translateY(-4px);
      box-shadow: var(--card-hover-shadow);
    }
    /* 痛点卡片 */
    .pain-card {
      background: #FDF5F5;
      border-left: 4px solid #E57373;
    }
    /* 证言卡片 */
    .testimonial-card {
      background: #FFFFFF;
      border-radius: 24px;
    }
    .star-gold {
      color: var(--accent-gold);
    }
    /* FAQ */
    .faq-item {
      border-bottom: 1px solid rgba(212,175,55,0.2);
      padding: 1.2rem 0;
    }
    .faq-question {
      font-weight: 700;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      color: var(--primary);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.4s ease;
      color: var(--text-muted);
    }
    .faq-item.active .faq-answer {
      max-height: 200px;
      margin-top: 0.8rem;
    }
    /* 数据条 */
    .stat-number {
      font-size: 2.5rem;
      font-weight: 800;
      color: var(--accent-gold);
    }
    /* 页脚 */
    #footer {
      background: var(--primary);
      color: rgba(255,255,255,0.8);
      padding: 3rem 0 1.5rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 2rem;
    }
    .footer-bottom {
      border-top: 1px solid var(--accent-gold);
      margin-top: 2rem;
      padding-top: 1.5rem;
      text-align: center;
      color: rgba(255,255,255,0.6);
    }
    @media (max-width: 1024px) {
      .nav-links, .search-box {
        display: none;
      }
      .mobile-menu-btn {
        display: block;
      }
      .hero-content h1 {
        font-size: 2.8rem;
      }
    }
    @media (max-width: 768px) {
      .container {
        padding-left: 1rem;
        padding-right: 1rem;
      }
      .hero-content h1 {
        font-size: 2rem;
      }
      .section-title {
        font-size: 1.8rem;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .btn-group {
        flex-direction: column;
        align-items: flex-start;
      }
    }
    @media (max-width: 520px) {
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }