/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');
    :root {
      --primary: #7B2FBE;
      --primary-light: #A855F7;
      --accent: #06D6A0;
      --bg-deep: #0B0C10;
      --bg-card: rgba(255, 255, 255, 0.05);
      --text-primary: #F8FAFC;
      --text-secondary: #CBD5E1;
      --text-muted: #94A3B8;
      --border-light: rgba(255, 255, 255, 0.1);
      --shadow-card: 0 8px 32px rgba(0,0,0,0.25);
      --shadow-hover: 0 16px 48px rgba(0,0,0,0.45);
      --radius-card: 20px;
      --radius-btn: 50px;
      --radius-input: 12px;
    }
    * {
      box-sizing: border-box;
    }
    body {
      margin: 0;
      font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
      background-color: var(--bg-deep);
      color: var(--text-primary);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }
    h1, h2, h3, .display-font {
      font-family: 'Space Grotesk', 'PingFang SC', 'Microsoft YaHei', sans-serif;
      font-weight: 700;
      letter-spacing: -0.02em;
    }
    .gradient-text {
      background: linear-gradient(135deg, #A855F7 0%, #7B2FBE 80%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .container-custom {
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }
    @media (min-width: 768px) {
      .container-custom {
        padding-left: 40px;
        padding-right: 40px;
      }
    }
    /* 导航胶囊 */
    .nav-capsule {
      background: rgba(15, 10, 26, 0.85);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-radius: 40px;
      border: 1px solid rgba(255,255,255,0.08);
      box-shadow: 0 10px 30px -10px rgba(0,0,0,0.5);
    }
    .nav-link {
      transition: color 0.2s, border-bottom 0.2s;
      border-bottom: 2px solid transparent;
      padding-bottom: 4px;
    }
    .nav-link:hover {
      color: var(--accent);
    }
    .nav-link.active {
      color: var(--accent);
      border-bottom-color: var(--accent);
    }
    /* 按钮系统 */
    .btn-primary {
      background: linear-gradient(135deg, #A855F7 0%, #7B2FBE 100%);
      color: white;
      border-radius: var(--radius-btn);
      padding: 0.75rem 2rem;
      font-weight: 600;
      transition: all 0.25s ease;
      box-shadow: 0 4px 14px rgba(123,47,190,0.4);
      border: none;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      cursor: pointer;
    }
    .btn-primary:hover {
      transform: scale(1.04);
      background: linear-gradient(135deg, #7B2FBE 0%, #A855F7 100%);
      box-shadow: 0 8px 24px rgba(168,85,247,0.55);
    }
    .btn-outline {
      background: transparent;
      border: 1.5px solid #A855F7;
      color: #A855F7;
      border-radius: var(--radius-btn);
      padding: 0.7rem 1.8rem;
      font-weight: 600;
      transition: all 0.25s;
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      cursor: pointer;
    }
    .btn-outline:hover {
      background: rgba(168,85,247,0.12);
      border-color: #c084fc;
      color: #c084fc;
    }
    /* 卡片 */
    .card-glow {
      background: rgba(255,255,255,0.04);
      backdrop-filter: blur(4px);
      border-radius: var(--radius-card);
      border: 1px solid rgba(255,255,255,0.08);
      box-shadow: var(--shadow-card);
      transition: all 0.3s ease;
    }
    .card-glow:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-6px);
      border-color: rgba(255,255,255,0.15);
    }
    /* 数据徽章 */
    .badge-stat {
      background: rgba(6,214,160,0.08);
      border-radius: 16px;
      padding: 0.75rem 1.2rem;
      border: 1px solid rgba(6,214,160,0.25);
      display: flex;
      align-items: center;
      gap: 0.6rem;
    }
    .accent-number {
      color: var(--accent);
      font-weight: 700;
      font-size: 1.5rem;
      line-height: 1.2;
    }
    /* 手风琴 */
    .faq-item {
      border-bottom: 1px solid rgba(255,255,255,0.08);
      transition: background 0.2s;
    }
    .faq-item[open] {
      background: rgba(255,255,255,0.03);
    }
    /* 表单 */
    .input-field {
      background: rgba(255,255,255,0.06);
      border: 1px solid rgba(255,255,255,0.15);
      border-radius: var(--radius-input);
      padding: 0.9rem 1.2rem;
      color: white;
      transition: border 0.2s;
      width: 100%;
    }
    .input-field:focus {
      outline: none;
      border-color: var(--accent);
      box-shadow: 0 0 0 3px rgba(6,214,160,0.3);
    }
    /* 瀑布流网格 */
    .masonry-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 24px;
    }
    @media (min-width: 1024px) {
      .masonry-grid {
        grid-template-columns: 1fr 1fr;
        gap: 28px;
      }
    }
    .case-img {
      transition: transform 0.4s ease;
      height: 220px;
      object-fit: cover;
      width: 100%;
      border-radius: 16px 16px 0 0;
    }
    .card-glow:hover .case-img {
      transform: scale(1.04);
    }