/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');
    
    :root {
      --deep-charcoal: #1A1A2E;
      --champagne-gold: #C9A96E;
      --warm-white: #FAFAF8;
      --card-white: #FFFFFF;
      --text-body: #2D2D2D;
      --text-heading: #1A1A2E;
      --border-warm: #E8E4D9;
      --accent-deep-gold: #B8860B;
      --shadow-sm: 0 1px 3px rgba(26,26,46,0.04), 0 6px 16px rgba(26,26,46,0.06);
      --shadow-hover: 0 4px 12px rgba(201,169,110,0.15), 0 12px 28px rgba(26,26,46,0.08);
      --radius-card: 12px;
      --radius-btn: 8px;
      --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', system-ui, -apple-system, sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    body {
      font-family: var(--font-sans);
      background-color: var(--warm-white);
      color: var(--text-body);
      line-height: 1.75;
      font-size: 16px;
      font-weight: 400;
    }

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

    a {
      text-decoration: none;
      color: inherit;
      transition: color 0.2s ease, opacity 0.2s ease;
    }

    button, .btn {
      cursor: pointer;
      font-family: inherit;
      transition: all 0.3s ease;
    }

    .container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 导航栏 */
    .navbar {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(255,255,255,0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-warm);
      height: 68px;
      display: flex;
      align-items: center;
    }

    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
    }

    .logo {
      display: flex;
      align-items: baseline;
      gap: 4px;
      font-weight: 700;
      font-size: 1.5rem;
      color: var(--champagne-gold);
      letter-spacing: -0.3px;
      white-space: nowrap;
    }
    .logo .tag {
      font-size: 0.8rem;
      font-weight: 500;
      color: var(--accent-deep-gold);
      margin-left: 2px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 32px;
      font-weight: 500;
      color: var(--text-body);
      font-size: 0.95rem;
    }
    .nav-links a {
      position: relative;
      padding: 4px 0;
    }
    .nav-links a:hover,
    .nav-links a.active {
      color: var(--champagne-gold);
    }
    .nav-links a.active::after {
      content: '';
      position: absolute;
      bottom: -4px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--champagne-gold);
      border-radius: 2px;
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .search-trigger {
      background: none;
      border: none;
      color: var(--text-body);
      font-size: 1.2rem;
      padding: 6px;
      border-radius: 50%;
      transition: background 0.2s;
    }
    .search-trigger:hover {
      background: rgba(201,169,110,0.08);
      color: var(--champagne-gold);
    }
    .vip-badge {
      border: 1.5px solid var(--champagne-gold);
      color: var(--champagne-gold);
      background: transparent;
      padding: 8px 18px;
      border-radius: 30px;
      font-size: 0.9rem;
      font-weight: 500;
      transition: 0.2s;
      white-space: nowrap;
    }
    .vip-badge:hover {
      background: rgba(201,169,110,0.08);
    }
    .btn-primary {
      background: var(--champagne-gold);
      color: var(--deep-charcoal);
      border: none;
      padding: 12px 28px;
      border-radius: var(--radius-btn);
      font-weight: 600;
      font-size: 0.95rem;
      box-shadow: var(--shadow-sm);
      letter-spacing: -0.2px;
    }
    .btn-primary:hover {
      background: var(--accent-deep-gold);
      transform: translateY(-2px);
      box-shadow: var(--shadow-hover);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 1.8rem;
      color: var(--text-heading);
    }

    /* Hero */
    .hero {
      background: linear-gradient(180deg, #FAFAF8 0%, #F5F3ED 100%);
      min-height: 90vh;
      display: flex;
      align-items: center;
      padding: 40px 0;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .hero-content {
      display: flex;
      flex-direction: column;
      gap: 24px;
    }
    .brand-line {
      width: 48px;
      height: 2px;
      background: var(--champagne-gold);
      margin-bottom: 8px;
    }
    .hero h1 {
      font-size: 3.2rem;
      font-weight: 700;
      color: var(--text-heading);
      line-height: 1.3;
      letter-spacing: -0.8px;
    }
    .hero-sub {
      font-size: 1.15rem;
      color: #5e5e5e;
      max-width: 480px;
      line-height: 1.6;
    }
    .hero-actions {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }
    .btn-outline {
      background: transparent;
      border: 1.5px solid var(--champagne-gold);
      color: var(--champagne-gold);
      padding: 12px 28px;
      border-radius: var(--radius-btn);
      font-weight: 600;
    }
    .btn-outline:hover {
      background: rgba(201,169,110,0.08);
    }
    .hero-image {
      background: #F5F3ED;
      border-radius: 20px;
      overflow: hidden;
      box-shadow: 0 20px 35px rgba(26,26,46,0.08);
    }

    /* sections */
    section {
      padding: 90px 0;
    }
    .section-title {
      font-size: 2rem;
      font-weight: 600;
      color: var(--text-heading);
      margin-bottom: 16px;
      letter-spacing: -0.3px;
    }
    .section-desc {
      color: #5e5e5e;
      max-width: 640px;
      margin-bottom: 48px;
      font-size: 1.05rem;
    }

    /* 卡片通用 */
    .card {
      background: var(--card-white);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      padding: 32px;
    }
    .card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }

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

    /* 服务网格 */
    .grid-2x3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    /* 数据区 */
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      text-align: center;
      gap: 32px;
    }
    .stat-number {
      font-size: 2.8rem;
      font-weight: 700;
      color: var(--champagne-gold);
      line-height: 1.2;
    }
    .stat-label {
      font-size: 0.9rem;
      font-weight: 500;
      color: #6b6b6b;
      margin-top: 8px;
    }

    /* 案例 */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 32px;
    }

    /* 方案卡 */
    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
      align-items: start;
    }
    .pricing-highlight {
      border: 1.5px solid var(--champagne-gold);
      background: #FDFAF3;
    }

    /* FAQ */
    .faq-list {
      max-width: 780px;
      margin: 0 auto;
    }
    details {
      border-bottom: 1px solid var(--border-warm);
      padding: 20px 0;
      transition: 0.2s;
    }
    details[open] summary {
      color: var(--champagne-gold);
    }
    summary {
      font-weight: 600;
      font-size: 1.1rem;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      color: var(--text-heading);
    }
    .faq-content {
      padding: 16px 0 8px;
      color: #4a4a4a;
      line-height: 1.8;
    }

    /* CTA 横幅 */
    .cta-band {
      background: var(--deep-charcoal);
      color: white;
      text-align: center;
      padding: 80px 24px;
    }

    /* Footer */
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
    }
    .footer a:hover {
      color: var(--champagne-gold);
    }

    @media (max-width: 1024px) {
      .hero-grid { grid-template-columns: 1fr; }
      .hero h1 { font-size: 2.5rem; }
      .grid-3, .grid-2x3 { grid-template-columns: repeat(2, 1fr); }
      .stats-grid { grid-template-columns: repeat(2, 1fr); }
      .pricing-grid { grid-template-columns: 1fr; }
    }
    @media (max-width: 768px) {
      .nav-links, .nav-actions .vip-badge, .nav-actions .btn-primary {
        display: none;
      }
      .mobile-menu-btn { display: block; }
      .grid-3, .grid-2x3, .cases-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
      section { padding: 64px 0; }
    }