/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');
    :root {
      --primary: #1A5F2A;
      --primary-hover: #154A23;
      --accent: #F5A623;
      --accent-hover: #F7B84C;
      --dark-bg: #0F1A2E;
      --body-bg: #F7F8F3;
      --card-bg: #FFFFFF;
      --card-border: #E8EDE4;
      --text-main: #1A1A1A;
      --text-secondary: #4A5B42;
      --success: #2E7D32;
      --alert: #D84315;
      --radius-lg: 16px;
      --radius-md: 12px;
      --radius-sm: 8px;
      --radius-xs: 6px;
      --shadow-card: 0 4px 12px rgba(26, 95, 42, 0.06);
      --shadow-card-hover: 0 12px 28px rgba(26, 95, 42, 0.12);
      --transition: all 0.25s ease;
      --font-title: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
      --font-body: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
    }
    * {
      box-sizing: border-box;
    }
    body {
      margin: 0;
      font-family: var(--font-body);
      background-color: var(--body-bg);
      color: var(--text-main);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }
    h1, h2, h3, h4 {
      font-family: var(--font-title);
      font-weight: 600;
      line-height: 1.25;
      margin: 0;
    }
    p {
      margin: 0;
    }
    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: 640px) {
      .container {
        padding-left: 20px;
        padding-right: 20px;
      }
    }
    /* 顶部信息条 */
    .top-bar {
      background-color: var(--dark-bg);
      color: white;
      font-size: 0.8rem;
      padding: 8px 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 38px;
    }
    .top-bar a {
      color: white;
      opacity: 0.9;
      font-weight: 500;
    }
    .top-bar a:hover {
      opacity: 1;
      text-decoration: underline;
    }
    /* 主导航 */
    .main-header {
      background: white;
      border-bottom: 1px solid #E8EDE4;
      position: sticky;
      top: 0;
      z-index: 50;
      height: 72px;
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 100%;
    }
    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 700;
      font-size: 1.5rem;
      color: var(--primary);
      font-family: var(--font-title);
    }
    .logo i {
      font-size: 2rem;
      color: var(--accent);
    }
    .desktop-nav {
      display: flex;
      gap: 32px;
      font-weight: 500;
      font-size: 0.95rem;
      color: var(--text-secondary);
    }
    .desktop-nav a {
      position: relative;
      padding: 8px 0;
    }
    .desktop-nav a:hover,
    .desktop-nav a.active {
      color: var(--primary);
    }
    .desktop-nav a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--primary);
      transition: width 0.2s;
    }
    .desktop-nav a:hover::after,
    .desktop-nav a.active::after {
      width: 100%;
    }
    .hamburger {
      display: none;
      background: none;
      border: none;
      font-size: 1.8rem;
      color: var(--primary);
      cursor: pointer;
    }
    .mobile-menu {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: white;
      z-index: 100;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      gap: 36px;
      font-size: 1.4rem;
      font-weight: 500;
    }
    .mobile-menu.active {
      display: flex;
    }
    .mobile-menu a {
      color: var(--text-main);
    }
    .close-menu {
      position: absolute;
      top: 24px;
      right: 24px;
      font-size: 2rem;
      background: none;
      border: none;
      color: var(--primary);
    }
    @media (max-width: 768px) {
      .desktop-nav {
        display: none;
      }
      .hamburger {
        display: block;
      }
    }
    /* 按钮 */
    .btn-primary {
      background: var(--primary);
      color: white;
      border-radius: var(--radius-sm);
      padding: 12px 28px;
      font-weight: 600;
      display: inline-block;
      text-align: center;
      transition: var(--transition);
      border: none;
      cursor: pointer;
    }
    .btn-primary:hover {
      background: var(--primary-hover);
    }
    .btn-outline {
      background: transparent;
      border: 2px solid var(--primary);
      color: var(--primary);
      border-radius: var(--radius-sm);
      padding: 10px 26px;
      font-weight: 600;
      display: inline-block;
      transition: var(--transition);
    }
    .btn-outline:hover {
      background: rgba(26,95,42,0.08);
    }
    .btn-accent {
      background: var(--accent);
      color: var(--dark-bg);
      border-radius: var(--radius-sm);
      padding: 14px 32px;
      font-weight: 700;
      display: inline-block;
      transition: var(--transition);
      border: none;
      cursor: pointer;
    }
    .btn-accent:hover {
      background: var(--accent-hover);
    }
    /* 板块间距 */
    section {
      padding: 80px 0;
    }
    @media (max-width: 640px) {
      section {
        padding: 60px 0;
      }
    }
    .section-title {
      font-size: 2.2rem;
      font-weight: 700;
      margin-bottom: 16px;
      color: var(--text-main);
    }
    .section-sub {
      color: var(--text-secondary);
      font-size: 1.1rem;
      max-width: 600px;
    }
    /* 卡片效果 */
    .card-hover {
      transition: var(--transition);
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
    }
    .card-hover:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-card-hover);
      border-color: var(--primary);
    }
    /* 背景装饰 */
    .hero-bg {
      background: linear-gradient(135deg, #F7F8F3 0%, #ffffff 100%);
      position: relative;
      overflow: hidden;
    }
    .circle-decor {
      position: absolute;
      border-radius: 50%;
      background: rgba(26,95,42,0.04);
      z-index: 0;
    }
    /* FAQ手风琴 */
    .faq-item {
      border-bottom: 1px solid var(--card-border);
      padding: 20px 0;
      cursor: pointer;
    }
    .faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-weight: 600;
      font-size: 1.1rem;
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
      color: var(--text-secondary);
      font-size: 0.95rem;
    }
    .faq-item.active .faq-answer {
      max-height: 200px;
      margin-top: 12px;
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }
    /* 对比表 */
    .compare-table {
      display: flex;
      gap: 24px;
      overflow-x: auto;
      padding-bottom: 16px;
    }
    .compare-col {
      flex: 1 1 200px;
      background: white;
      border-radius: var(--radius-md);
      padding: 28px 20px;
      border: 1px solid var(--card-border);
      min-width: 180px;
    }
    .compare-col.highlight {
      background: #F0F5EE;
      border-color: var(--primary);
    }
    @media (max-width: 640px) {
      .compare-table {
        flex-wrap: nowrap;
      }
    }
    footer {
      background: var(--dark-bg);
      color: #ddd;
      padding: 60px 0 20px;
    }
    footer a {
      color: #ccc;
    }
    footer a:hover {
      color: white;
    }