/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');

    :root {
      --deep-purple: #2D0A3D;
      --silver-gray: #C0C5CE;
      --champagne-gold: #D4A843;
      --champagne-light: #F5ECD7;
      --warm-bg: #FAF7F2;
      --charcoal: #1E1E1E;
      --soft-purple: #E8D5F0;
      --green-check: #2D6A4F;
      --red-cross: #C44536;
      --white: #FFFFFF;
      --shadow-sm: 0 4px 24px rgba(45, 10, 61, 0.08);
      --shadow-md: 0 8px 32px rgba(45, 10, 61, 0.15);
      --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
      --radius-lg: 16px;
      --radius-md: 12px;
      --radius-sm: 8px;
      --transition: 0.3s ease;
      --transition-fast: 0.2s ease-in-out;
    }

    * {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Inter', sans-serif;
      background-color: var(--warm-bg);
      color: var(--charcoal);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: color var(--transition-fast);
    }

    button, input, textarea {
      font-family: inherit;
    }

    .container {
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* 导航栏 */
    .navbar {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      background: rgba(250, 247, 242, 0.85);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--silver-gray);
      transition: background var(--transition);
    }

    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }

    .logo-text {
      font-size: 24px;
      font-weight: 700;
      color: var(--deep-purple);
      display: flex;
      align-items: center;
      gap: 8px;
      letter-spacing: -0.5px;
    }

    .logo-icon {
      width: 32px;
      height: 32px;
      background: linear-gradient(135deg, var(--deep-purple), #4a1a5c);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--champagne-gold);
      font-size: 18px;
    }

    .nav-links {
      display: flex;
      gap: 32px;
      align-items: center;
    }

    .nav-link {
      font-size: 15px;
      font-weight: 500;
      color: var(--charcoal);
      position: relative;
      padding: 8px 0;
      transition: color var(--transition-fast);
    }

    .nav-link::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--champagne-gold);
      transition: width var(--transition-fast);
    }

    .nav-link:hover {
      color: var(--deep-purple);
    }

    .nav-link:hover::after {
      width: 100%;
    }

    .mega-trigger {
      cursor: pointer;
      font-weight: 600;
      color: var(--deep-purple);
      display: flex;
      align-items: center;
      gap: 4px;
    }

    .mega-panel {
      position: absolute;
      top: 72px;
      right: 0;
      width: 720px;
      background: var(--white);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-lg);
      padding: 32px;
      display: flex;
      gap: 32px;
      opacity: 0;
      visibility: hidden;
      transform: translateY(-8px);
      transition: all 0.2s ease;
      z-index: 999;
    }

    .mega-trigger:hover+.mega-panel,
    .mega-panel:hover {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }

    .mega-col {
      flex: 1;
    }

    .mega-item {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 12px;
      border-radius: var(--radius-md);
      transition: background var(--transition-fast);
    }

    .mega-item:hover {
      background: var(--champagne-light);
    }

    .mega-thumb {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-sm);
      object-fit: cover;
    }

    .hamburger {
      display: none;
      background: none;
      border: none;
      font-size: 24px;
      color: var(--deep-purple);
      cursor: pointer;
    }

    @media (max-width: 1024px) {
      .nav-links {
        display: none;
      }
      .hamburger {
        display: block;
      }
      .mobile-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--warm-bg);
        flex-direction: column;
        padding: 32px;
        gap: 24px;
        overflow-y: auto;
        display: none;
        z-index: 998;
      }
      .mobile-menu.open {
        display: flex;
      }
    }

    /* 区块间距 */
    section {
      padding: 100px 0;
    }
    @media (max-width: 768px) {
      section {
        padding: 60px 0;
      }
    }

    /* 标题体系 */
    h1 {
      font-size: 56px;
      font-weight: 700;
      line-height: 1.2;
      color: var(--deep-purple);
    }
    h2 {
      font-size: 40px;
      font-weight: 700;
      color: var(--deep-purple);
    }
    h3 {
      font-size: 24px;
      font-weight: 700;
      color: var(--deep-purple);
    }
    @media (max-width: 768px) {
      h1 { font-size: 36px; }
      h2 { font-size: 28px; }
      h3 { font-size: 20px; }
    }

    /* Hero */
    .hero-grid {
      display: flex;
      align-items: center;
      gap: 60px;
    }
    .hero-left {
      flex: 0 0 55%;
    }
    .hero-right {
      flex: 1;
      position: relative;
    }
    .hero-img {
      border-radius: var(--radius-lg);
      width: 100%;
      height: auto;
      box-shadow: var(--shadow-md);
    }
    .badge-group {
      position: absolute;
      bottom: 20px;
      right: 20px;
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
    }
    .stat-badge {
      background: rgba(45, 10, 61, 0.8);
      backdrop-filter: blur(8px);
      color: var(--champagne-gold);
      padding: 10px 18px;
      border-radius: var(--radius-sm);
      text-align: center;
    }
    .stat-number {
      font-size: 28px;
      font-weight: 800;
      font-feature-settings: "tnum";
      display: block;
    }
    .stat-label {
      font-size: 12px;
      color: var(--silver-gray);
    }
    @media (max-width: 768px) {
      .hero-grid {
        flex-direction: column;
        gap: 40px;
      }
      .hero-left, .hero-right {
        flex: 1 1 auto;
      }
    }

    /* 按钮 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 14px 32px;
      border-radius: 40px;
      font-weight: 600;
      font-size: 16px;
      transition: all 0.25s ease-in-out;
      cursor: pointer;
      border: 2px solid transparent;
    }
    .btn-primary {
      background: var(--champagne-gold);
      color: var(--charcoal);
      border-color: var(--champagne-gold);
    }
    .btn-primary:hover {
      background: #E0B85C;
      color: var(--deep-purple);
    }
    .btn-secondary {
      background: transparent;
      color: var(--charcoal);
      border-color: var(--silver-gray);
    }
    .btn-secondary:hover {
      border-color: var(--champagne-gold);
      color: var(--deep-purple);
    }
    .btn-sm {
      padding: 10px 24px;
      font-size: 14px;
    }

    /* 亮点网格 */
    .highlights-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .highlight-card {
      background: var(--white);
      border-radius: var(--radius-md);
      padding: 32px;
      box-shadow: var(--shadow-sm);
      transition: all var(--transition);
    }
    .highlight-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-md);
    }
    .highlight-icon {
      font-size: 40px;
      color: var(--champagne-gold);
      margin-bottom: 20px;
    }
    .micro-badge {
      background: var(--champagne-light);
      color: var(--deep-purple);
      font-size: 12px;
      padding: 4px 12px;
      border-radius: 20px;
      display: inline-block;
      margin-top: 12px;
    }
    @media (max-width: 1024px) {
      .highlights-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 576px) {
      .highlights-grid {
        grid-template-columns: 1fr;
      }
    }

    /* 案例瀑布 */
    .cases-masonry {
      column-count: 3;
      column-gap: 24px;
    }
    .case-card {
      break-inside: avoid;
      background: var(--white);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      margin-bottom: 24px;
      transition: all var(--transition);
    }
    .case-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .case-img {
      width: 100%;
      height: auto;
      object-fit: cover;
    }
    .case-body {
      padding: 20px;
    }
    .case-tag {
      background: var(--soft-purple);
      color: var(--deep-purple);
      font-size: 12px;
      padding: 2px 10px;
      border-radius: 20px;
    }
    @media (max-width: 1024px) {
      .cases-masonry { column-count: 2; }
    }
    @media (max-width: 576px) {
      .cases-masonry { column-count: 1; }
    }

    /* 方案对比 */
    .compare-grid {
      display: flex;
      gap: 32px;
      align-items: center;
    }
    .compare-col {
      flex: 1;
      background: var(--white);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-sm);
    }
    .vs-divider {
      font-size: 24px;
      font-weight: 800;
      background: linear-gradient(135deg, var(--champagne-gold), var(--deep-purple));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .feature-row {
      display: flex;
      align-items: center;
      gap: 12px;
      margin: 16px 0;
    }
    @media (max-width: 768px) {
      .compare-grid {
        flex-direction: column;
      }
    }

    /* FAQ */
    .faq-item {
      border-bottom: 1px solid var(--silver-gray);
      padding: 20px 0;
    }
    .faq-question {
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
      font-weight: 600;
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease;
      background: rgba(245, 236, 215, 0.3);
      border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    }
    .faq-answer.open {
      max-height: 200px;
      padding: 16px;
    }

    /* 联系 */
    .contact-section {
      background: var(--deep-purple);
      color: var(--warm-bg);
    }
    .contact-grid {
      display: flex;
      gap: 40px;
    }
    .contact-form input, .contact-form textarea {
      width: 100%;
      background: var(--white);
      border: 1px solid var(--silver-gray);
      border-radius: var(--radius-sm);
      padding: 12px 16px;
      margin-bottom: 16px;
    }
    .contact-card {
      background: rgba(255,255,255,0.1);
      backdrop-filter: blur(8px);
      border-radius: var(--radius-lg);
      padding: 32px;
    }
    @media (max-width: 768px) {
      .contact-grid {
        flex-direction: column;
      }
    }

    /* 页脚 */
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
    }
    @media (max-width: 768px) {
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }