/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');
    :root {
      --primary: #E8D5C4;
      --primary-hover: #D4BFA8;
      --gold: #C4A97D;
      --gold-hover: #b08c5c;
      --dark: #1E1E1E;
      --body-bg: #FAF7F2;
      --card-bg: #FFFFFF;
      --text-main: #1E1E1E;
      --text-soft: #5A5A5A;
      --text-muted: #8A8A8A;
      --border-light: rgba(0,0,0,0.05);
      --shadow-sm: 0 4px 20px rgba(0,0,0,0.03);
      --shadow-md: 0 8px 30px rgba(0,0,0,0.08);
      --radius-card: 16px;
      --radius-btn: 40px;
      --transition: 0.3s ease;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Inter", sans-serif;
      background-color: var(--body-bg);
      color: var(--text-main);
      line-height: 1.7;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }
    img {
      display: block;
      max-width: 100%;
      height: auto;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: color 0.2s;
    }
    .container {
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }
    /* 玻璃导航 */
    .glass-nav {
      background: rgba(255,255,255,0.75);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-light);
      box-shadow: 0 4px 18px rgba(0,0,0,0.02);
      transition: background 0.3s, box-shadow 0.3s;
    }
    .glass-nav.scrolled {
      background: rgba(250,247,242,0.98);
      box-shadow: 0 4px 22px rgba(0,0,0,0.04);
      backdrop-filter: blur(10px);
    }
    .nav-link {
      font-weight: 400;
      color: var(--dark);
      position: relative;
      padding: 0.5rem 0;
      transition: color 0.2s;
    }
    .nav-link::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--gold);
      transition: width 0.3s ease;
    }
    .nav-link:hover {
      color: var(--gold);
    }
    .nav-link:hover::after {
      width: 100%;
    }
    .btn-primary {
      background-color: var(--primary);
      color: var(--dark);
      font-weight: 500;
      border-radius: var(--radius-btn);
      padding: 0.75rem 2rem;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transition: background 0.25s, transform 0.2s;
      border: none;
      cursor: pointer;
      letter-spacing: 0.3px;
    }
    .btn-primary:hover {
      background-color: var(--primary-hover);
      transform: scale(1.02);
    }
    .btn-outline {
      background: transparent;
      border: 1px solid var(--gold);
      color: var(--gold);
      font-weight: 500;
      border-radius: var(--radius-btn);
      padding: 0.75rem 2rem;
      transition: all 0.25s;
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }
    .btn-outline:hover {
      background-color: var(--gold);
      color: white;
      border-color: var(--gold);
    }
    .card {
      background: var(--card-bg);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-sm);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      padding: 32px;
    }
    .card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .section-title {
      font-size: 36px;
      font-weight: 600;
      line-height: 1.3;
      letter-spacing: -0.3px;
      color: var(--dark);
    }
    .text-gold {
      color: var(--gold);
    }
    .bg-primary-soft {
      background-color: var(--primary);
    }
    /* 瀑布流卡片 hover 图片缩放 */
    .product-card:hover img {
      transform: scale(1.03);
    }
    .product-card img {
      transition: transform 0.4s ease;
    }
    /* 手风琴 */
    .faq-item {
      border-bottom: 1px solid rgba(0,0,0,0.06);
    }
    .faq-question {
      font-weight: 500;
      font-size: 18px;
      padding: 1.2rem 0;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      color: var(--dark);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease;
      color: var(--text-soft);
      font-size: 16px;
    }
    .faq-item.active .faq-answer {
      max-height: 200px;
      padding-bottom: 1.2rem;
    }
    .faq-icon {
      font-size: 20px;
      color: var(--gold);
      transition: transform 0.3s;
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }
    /* 移动端导航 */
    .mobile-menu {
      display: none;
    }
    @media (max-width: 1024px) {
      .section-title {
        font-size: 32px;
      }
    }
    @media (max-width: 768px) {
      .desktop-nav {
        display: none;
      }
      .mobile-menu {
        display: block;
      }
      .hero-left, .hero-right {
        width: 100%;
      }
      .section-title {
        font-size: 28px;
      }
      .card {
        padding: 24px;
      }
    }