/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');
    :root {
      --primary: #1A1A1A;
      --accent: #D4AF37;
      --accent-dark: #C9A84C;
      --bg: #FAFAFA;
      --surface: #FFFFFF;
      --gray-light: #F5F0E6;
      --border: #E5E5E5;
      --text-secondary: #4A4A4A;
      --text-muted: #8A8A8A;
      --shadow-gold: 0 8px 24px rgba(212, 175, 55, 0.12);
      --radius-card: 12px;
      --radius-btn: 8px;
      --transition: 0.25s ease;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", "Inter", sans-serif;
      background-color: var(--bg);
      color: var(--primary);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }
    .container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }
    /* 导航 */
    .navbar {
      background: var(--surface);
      border-bottom: 1px solid var(--border);
      height: 72px;
      display: flex;
      align-items: center;
      position: sticky;
      top: 0;
      z-index: 50;
    }
    .nav-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      width: 100%;
    }
    .logo {
      display: flex;
      align-items: center;
      gap: 8px;
      font-weight: 800;
      font-size: 1.5rem;
      letter-spacing: -0.02em;
      color: var(--primary);
      text-decoration: none;
    }
    .logo i {
      color: var(--accent);
      font-size: 1.8rem;
    }
    .nav-links {
      display: flex;
      gap: 32px;
      list-style: none;
    }
    .nav-links a {
      color: var(--text-secondary);
      text-decoration: none;
      font-weight: 500;
      position: relative;
      padding-bottom: 6px;
      transition: color var(--transition);
    }
    .nav-links a:hover {
      color: var(--primary);
    }
    .nav-links a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--accent);
      transition: width var(--transition);
    }
    .nav-links a:hover::after {
      width: 100%;
    }
    .search-box {
      display: flex;
      align-items: center;
      background: #f2f2f2;
      border-radius: 20px;
      padding: 6px 16px;
      gap: 8px;
      color: var(--text-muted);
      font-size: 0.9rem;
      margin-right: 16px;
    }
    .search-box input {
      border: none;
      background: transparent;
      outline: none;
      width: 140px;
    }
    .btn-primary {
      background: var(--accent);
      color: var(--primary);
      font-weight: 600;
      padding: 10px 20px;
      border-radius: 6px;
      border: none;
      cursor: pointer;
      transition: var(--transition);
      font-size: 0.9rem;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .btn-primary:hover {
      background: var(--accent-dark);
      color: white;
      box-shadow: 0 4px 12px rgba(201, 168, 76, 0.3);
    }
    .btn-outline {
      background: transparent;
      border: 1.5px solid var(--primary);
      color: var(--primary);
      font-weight: 600;
      padding: 12px 28px;
      border-radius: var(--radius-btn);
      transition: var(--transition);
    }
    .btn-outline:hover {
      background: var(--primary);
      color: #FAFAFA;
    }
    .hamburger {
      display: none;
      font-size: 1.8rem;
      cursor: pointer;
    }
    /* Hero */
    .hero-section {
      display: flex;
      align-items: center;
      min-height: 85vh;
      background: linear-gradient(90deg, #FFFFFF 0%, #F5F0E6 100%);
    }
    .hero-grid {
      display: flex;
      width: 100%;
      gap: 40px;
      align-items: center;
    }
    .hero-left {
      flex: 1;
    }
    .hero-right {
      flex: 1;
      display: flex;
      justify-content: flex-end;
    }
    .hero-right img {
      width: 100%;
      max-width: 560px;
      border-radius: 16px;
      box-shadow: 0 20px 30px rgba(0,0,0,0.05);
    }
    h1 {
      font-size: 3.5rem;
      font-weight: 800;
      line-height: 1.1;
      letter-spacing: -0.02em;
      margin-bottom: 1.5rem;
    }
    .hero-sub {
      font-size: 1.25rem;
      color: var(--text-secondary);
      max-width: 480px;
      margin-bottom: 2rem;
    }
    /* 板块通用 */
    section {
      padding: 100px 0;
    }
    h2 {
      font-size: 2.6rem;
      font-weight: 700;
      letter-spacing: -0.02em;
      margin-bottom: 48px;
      text-align: center;
    }
    /* 看板 */
    .dashboard-bg {
      background-color: var(--gray-light);
    }
    .stat-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .stat-card {
      background: var(--surface);
      padding: 32px 24px;
      border-radius: var(--radius-card);
      text-align: center;
      border: 1px solid var(--border);
      transition: var(--transition);
    }
    .stat-card:hover {
      border-color: var(--accent);
      transform: translateY(-4px);
      box-shadow: var(--shadow-gold);
    }
    .stat-number {
      font-size: 3.2rem;
      font-weight: 700;
      color: var(--accent);
      font-family: 'Inter', sans-serif;
      margin-bottom: 8px;
    }
    .stat-label {
      color: var(--text-muted);
      font-weight: 500;
    }
    .trend-icon {
      color: #2e7d32;
      margin-left: 4px;
    }
    /* 服务卡片 */
    .solutions-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }
    .solution-card {
      background: var(--surface);
      padding: 32px;
      border-radius: var(--radius-card);
      border: 1px solid var(--border);
      transition: var(--transition);
    }
    .solution-card:hover {
      border-color: var(--accent);
      transform: translateY(-6px);
      box-shadow: var(--shadow-gold);
    }
    .card-icon {
      font-size: 2.2rem;
      color: var(--accent);
      margin-bottom: 16px;
    }
    .solution-card h3 {
      font-size: 1.35rem;
      font-weight: 600;
      margin-bottom: 12px;
    }
    .solution-card p {
      color: var(--text-secondary);
      margin-bottom: 18px;
      line-height: 1.7;
    }
    .card-link {
      color: var(--primary);
      font-weight: 600;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: gap 0.2s;
    }
    .card-link:hover {
      gap: 10px;
      color: var(--accent-dark);
    }
    /* 对比 */
    .comparison-wrapper {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      background: var(--surface);
      border-radius: 16px;
      border: 1px solid var(--border);
      padding: 40px;
    }
    .pain-item, .fix-item {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 24px;
      font-size: 1.1rem;
    }
    .fix-item i {
      color: var(--accent);
      font-size: 1.4rem;
    }
    .pain-item i {
      color: #b0b0b0;
    }
    .divider {
      width: 1px;
      background: var(--border);
    }
    /* FAQ */
    .faq-item {
      border-bottom: 1px solid var(--border);
      padding: 20px 0;
    }
    .faq-question {
      font-weight: 600;
      font-size: 1.2rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      color: var(--primary);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s;
      background: #FAFAFA;
      border-radius: 8px;
      margin-top: 8px;
      color: var(--text-secondary);
    }
    .faq-item.active .faq-answer {
      max-height: 200px;
      padding: 16px;
    }
    .faq-item.active .faq-question i {
      transform: rotate(180deg);
    }
    /* 表单 */
    .cta-form {
      background: var(--surface);
      border-radius: 20px;
      padding: 48px;
      max-width: 720px;
      margin: 0 auto;
      box-shadow: 0 10px 30px rgba(0,0,0,0.03);
    }
    .input-field {
      width: 100%;
      padding: 14px 16px;
      border: 1px solid var(--border);
      border-radius: var(--radius-btn);
      margin-bottom: 16px;
      font-size: 1rem;
      transition: 0.2s;
    }
    .input-field:focus {
      outline: none;
      border-color: var(--accent);
      box-shadow: 0 0 0 3px rgba(212,175,55,0.2);
    }
    footer {
      background: var(--primary);
      color: #aaa;
      padding: 48px 0 24px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 40px;
    }
    .footer-links a {
      color: #aaa;
      text-decoration: none;
      display: block;
      margin-bottom: 8px;
    }
    .footer-links a:hover {
      color: var(--accent);
    }
    @media (max-width: 1024px) {
      .solutions-grid { grid-template-columns: repeat(2, 1fr); }
      .stat-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 768px) {
      .nav-links, .search-box { display: none; }
      .hamburger { display: block; }
      .hero-grid { flex-direction: column; }
      .hero-right { justify-content: center; margin-top: 30px; }
      h1 { font-size: 2.6rem; }
      .solutions-grid { grid-template-columns: 1fr; }
      .comparison-wrapper { grid-template-columns: 1fr; }
      .divider { display: none; }
      .footer-grid { grid-template-columns: 1fr; }
      section { padding: 70px 0; }
    }
    .mobile-menu {
      display: none;
      flex-direction: column;
      background: white;
      position: absolute;
      top: 72px;
      left: 0;
      width: 100%;
      border-bottom: 1px solid var(--border);
      padding: 16px;
    }
    .mobile-menu.active { display: flex; }