/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');
    :root {
      --primary: #C41E5A;
      --primary-hover: #A01848;
      --secondary: #0D9488;
      --gold: #D4AF37;
      --dark: #0F0F0F;
      --card-dark: #1A1A1A;
      --light-bg: #F5F5F5;
      --white: #FFFFFF;
      --text-light: #E0E0E0;
      --text-dim: #B0B0B0;
      --text-dark: #1A1A1A;
      --text-gray: #555555;
      --border-light: rgba(255,255,255,0.08);
      --border-gray: #E5E5E5;
      --radius-lg: 16px;
      --radius-md: 12px;
      --radius-sm: 8px;
      --shadow-dark: 0 4px 20px rgba(0,0,0,0.4);
      --shadow-glow: 0 0 30px rgba(196,30,90,0.25);
      --font-heading: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
      --font-body: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
      --font-number: 'DIN Alternate', 'Arial Black', sans-serif;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: var(--font-body);
      background-color: var(--dark);
      color: var(--text-light);
      line-height: 1.7;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
      scroll-behavior: smooth;
    }
    h1, h2, h3, h4 {
      font-family: var(--font-heading);
      font-weight: 700;
      letter-spacing: -0.02em;
    }
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }
    /* 导航栏 */
    .navbar {
      position: fixed;
      top: 0;
      width: 100%;
      height: 72px;
      background: rgba(15, 15, 15, 0.88);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-light);
      z-index: 50;
      display: flex;
      align-items: center;
      transition: box-shadow 0.3s ease;
    }
    .navbar.scrolled {
      box-shadow: 0 4px 25px rgba(0,0,0,0.7);
    }
    .nav-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      width: 100%;
    }
    .logo {
      font-size: 1.4rem;
      font-weight: 700;
      color: white;
      display: flex;
      align-items: center;
      gap: 6px;
      text-decoration: none;
    }
    .logo i {
      color: var(--primary);
      font-size: 1.5rem;
    }
    .logo span {
      color: var(--primary);
    }
    .nav-links {
      display: flex;
      gap: 2rem;
      align-items: center;
    }
    .nav-links a {
      color: #CCCCCC;
      text-decoration: none;
      font-weight: 500;
      font-size: 0.95rem;
      position: relative;
      padding-bottom: 4px;
      transition: color 0.2s;
    }
    .nav-links a:hover {
      color: white;
    }
    .nav-links a::after {
      content: '';
      position: absolute;
      bottom: -2px;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--primary);
      transition: width 0.25s ease;
    }
    .nav-links a:hover::after {
      width: 100%;
    }
    .cta-btn {
      background: var(--primary);
      color: white;
      padding: 10px 22px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 0.9rem;
      text-decoration: none;
      transition: all 0.25s ease;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      border: none;
      cursor: pointer;
    }
    .cta-btn:hover {
      background: var(--primary-hover);
      transform: scale(1.03);
    }
    .badge {
      position: relative;
    }
    .badge-dot {
      position: absolute;
      top: -6px;
      right: -10px;
      background: #ef4444;
      color: white;
      font-size: 0.7rem;
      font-weight: 700;
      padding: 2px 7px;
      border-radius: 20px;
      white-space: nowrap;
    }
    .hamburger {
      display: none;
      font-size: 1.8rem;
      color: white;
      background: none;
      border: none;
      cursor: pointer;
    }
    .mobile-menu {
      display: none;
      position: fixed;
      top: 72px;
      left: 0;
      width: 100%;
      background: rgba(10,10,10,0.98);
      backdrop-filter: blur(20px);
      flex-direction: column;
      padding: 25px;
      gap: 20px;
      border-bottom: 1px solid var(--border-light);
      z-index: 40;
    }
    .mobile-menu a {
      color: #ddd;
      font-size: 1.2rem;
      font-weight: 500;
      text-decoration: none;
    }
    @media (max-width: 768px) {
      .nav-links { display: none; }
      .hamburger { display: block; }
      .mobile-menu.active { display: flex; }
      .navbar { height: 64px; }
    }
    /* 板块通用 */
    section {
      padding: 90px 0;
    }
    @media (max-width: 768px) {
      section { padding: 60px 0; }
    }
    /* 卡片悬停 */
    .card-hover {
      transition: all 0.3s ease;
    }
    .card-hover:hover {
      transform: translateY(-6px);
      box-shadow: 0 12px 30px rgba(196,30,90,0.2);
    }
    /* 数字动画 */
    .count-num {
      font-family: var(--font-number);
      font-weight: 800;
    }
    /* 手风琴 */
    .faq-item {
      border-bottom: 1px solid var(--border-gray);
      padding: 18px 0;
    }
    .faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-weight: 700;
      color: var(--text-dark);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease;
      color: #555;
      padding-right: 20px;
    }
    .faq-item.active .faq-answer {
      max-height: 200px;
      margin-top: 12px;
    }