/* roulang page: index */
:root {
      --deep-purple: #1A0A2E;
      --champagne-gold: #D4AF37;
      --warm-gold: #C9A84C;
      --light-gold: #E5C158;
      --bg-warm: #FAF9F7;
      --card-bg: #FFFFFF;
      --text-dark: #1A0A2E;
      --text-body: #2C2A2D;
      --text-muted: #6B6572;
      --border-light: #E0DCD5;
      --faq-bg: #F5F3EF;
      --radius-card: 16px;
      --radius-btn: 50px;
      --radius-faq: 8px;
      --shadow-card: 0 4px 20px rgba(26,10,46,0.08);
      --shadow-card-hover: 0 12px 32px rgba(26,10,46,0.15);
      --transition-smooth: 0.3s ease;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: 'Inter', 'Noto Sans SC', system-ui, -apple-system, 'Segoe UI', sans-serif;
      background-color: var(--bg-warm);
      color: var(--text-body);
      line-height: 1.7;
      font-size: 16px;
      overflow-x: hidden;
    }
    h1, h2, h3, h4, .serif-title {
      font-family: 'Playfair Display', 'Noto Serif SC', 'Times New Roman', serif;
      font-weight: 600;
      line-height: 1.2;
      color: var(--text-dark);
    }
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }
    /* 导航栏 */
    .mgm-nav {
      background: rgba(255,255,255,0.85);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--champagne-gold);
      height: 80px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 40px;
      position: sticky;
      top: 0;
      z-index: 100;
      transition: var(--transition-smooth);
    }
    .nav-left, .nav-right {
      display: flex;
      align-items: center;
      gap: 28px;
      list-style: none;
    }
    .nav-left a, .nav-right a {
      text-decoration: none;
      font-size: 14px;
      font-weight: 500;
      letter-spacing: 1px;
      text-transform: uppercase;
      color: #333;
      transition: color 0.2s;
      position: relative;
    }
    .nav-left a:hover, .nav-right a:hover {
      color: var(--champagne-gold);
    }
    .nav-left a::after, .nav-right a::after {
      content: '';
      position: absolute;
      bottom: -4px;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--champagne-gold);
      transition: width 0.25s ease;
    }
    .nav-left a:hover::after, .nav-right a:hover::after {
      width: 100%;
    }
    .logo-area {
      font-family: 'Playfair Display', serif;
      font-size: 28px;
      font-weight: 700;
      background: linear-gradient(135deg, var(--champagne-gold), var(--warm-gold));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      letter-spacing: 2px;
      white-space: nowrap;
    }
    .mobile-toggle {
      display: none;
      flex-direction: column;
      gap: 5px;
      background: transparent;
      border: 2px solid var(--champagne-gold);
      padding: 8px;
      border-radius: 8px;
      cursor: pointer;
    }
    .mobile-toggle span {
      width: 24px;
      height: 2px;
      background: var(--champagne-gold);
      display: block;
    }
    @media (max-width: 1024px) {
      .nav-left, .nav-right {
        display: none;
      }
      .mobile-toggle {
        display: flex;
      }
      .mgm-nav {
        justify-content: space-between;
        padding: 0 24px;
      }
      .mobile-menu {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: var(--deep-purple);
        flex-direction: column;
        padding: 32px 24px;
        gap: 24px;
        z-index: 99;
      }
      .mobile-menu.active {
        display: flex;
      }
      .mobile-menu a {
        color: white;
        font-size: 18px;
        font-weight: 500;
        text-decoration: none;
        letter-spacing: 1px;
      }
    }
    /* Hero */
    .hero-section {
      background: linear-gradient(135deg, rgba(26,10,46,0.8) 0%, rgba(45,27,78,0.7) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      color: white;
      padding: 40px 20px;
    }
    .hero-title {
      font-size: 52px;
      font-weight: 700;
      margin-bottom: 24px;
      color: white;
      text-shadow: 0 4px 12px rgba(0,0,0,0.3);
    }
    .hero-sub {
      font-size: 20px;
      color: rgba(255,255,255,0.9);
      margin-bottom: 32px;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }
    .badge-group {
      display: flex;
      justify-content: center;
      gap: 32px;
      flex-wrap: wrap;
      margin-bottom: 48px;
    }
    .badge {
      background: rgba(212,175,55,0.15);
      backdrop-filter: blur(8px);
      border: 1px solid var(--champagne-gold);
      padding: 16px 24px;
      border-radius: 40px;
      color: white;
      font-weight: 700;
      font-size: 18px;
    }
    .btn-primary {
      background: linear-gradient(135deg, var(--champagne-gold), var(--warm-gold));
      color: var(--deep-purple);
      font-weight: 700;
      padding: 16px 40px;
      border-radius: var(--radius-btn);
      text-decoration: none;
      display: inline-block;
      transition: 0.3s;
      border: none;
      cursor: pointer;
      box-shadow: 0 8px 18px rgba(212,175,55,0.3);
    }
    .btn-primary:hover {
      background: var(--light-gold);
      box-shadow: 0 12px 24px rgba(212,175,55,0.5);
      color: var(--deep-purple);
    }
    .btn-outline {
      border: 2px solid var(--champagne-gold);
      color: var(--champagne-gold);
      background: transparent;
      padding: 14px 36px;
      border-radius: var(--radius-btn);
      font-weight: 600;
      transition: 0.3s;
      text-decoration: none;
      display: inline-block;
    }
    .btn-outline:hover {
      background: rgba(212,175,55,0.1);
    }
    @media (max-width: 768px) {
      .hero-title {
        font-size: 34px;
      }
      .badge-group {
        gap: 16px;
      }
    }
    /* 板块通用 */
    section {
      padding: 100px 0;
    }
    .section-title {
      font-size: 38px;
      margin-bottom: 16px;
      text-align: center;
    }
    .section-desc {
      color: var(--text-muted);
      text-align: center;
      max-width: 700px;
      margin: 0 auto 48px;
    }
    /* 数据看板 */
    .data-grid {
      display: grid;
      grid-template-columns: repeat(4,1fr);
      gap: 28px;
      background: linear-gradient(135deg, var(--deep-purple) 0%, #2D1B4E 100%);
      border-radius: 28px;
      padding: 48px 32px;
      color: white;
    }
    .data-card h3 {
      font-size: 44px;
      color: var(--champagne-gold);
    }
    .data-card p {
      color: rgba(255,255,255,0.8);
    }
    @media (max-width: 768px) {
      .data-grid {
        grid-template-columns: 1fr 1fr;
        padding: 32px 16px;
      }
    }
    /* 服务卡片 */
    .service-grid {
      display: grid;
      grid-template-columns: repeat(3,1fr);
      gap: 30px;
    }
    .service-card {
      background: var(--card-bg);
      border-radius: var(--radius-card);
      padding: 32px;
      box-shadow: var(--shadow-card);
      transition: var(--transition-smooth);
    }
    .service-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-card-hover);
    }
    .service-card img {
      width: 100%;
      height: 200px;
      object-fit: cover;
      border-radius: 12px;
      margin-bottom: 24px;
    }
    .service-card h3 {
      font-size: 22px;
      margin-bottom: 16px;
    }
    .feature-list {
      list-style: none;
    }
    .feature-list li {
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .feature-list li i {
      color: var(--champagne-gold);
    }
    @media (max-width: 1024px) {
      .service-grid {
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 768px) {
      .service-grid {
        grid-template-columns: 1fr;
      }
    }
    /* 对比 */
    .compare-wrapper {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 40px;
      flex-wrap: wrap;
    }
    .compare-card {
      background: white;
      border-radius: var(--radius-card);
      padding: 40px;
      flex: 1;
      min-width: 280px;
    }
    .left-compare {
      background: #f0eded;
      color: #4a4a4a;
    }
    .right-compare {
      background: var(--deep-purple);
      color: white;
      border: 2px solid var(--champagne-gold);
    }
    .divider-badge {
      background: var(--champagne-gold);
      border-radius: 50%;
      width: 70px;
      height: 70px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      color: var(--deep-purple);
    }
    /* FAQ */
    .accordion-faq .accordion-item {
      margin-bottom: 12px;
      border-radius: var(--radius-faq);
      overflow: hidden;
    }
    .accordion-title {
      background: var(--faq-bg);
      padding: 18px 24px;
      font-weight: 600;
      border-left: 5px solid var(--champagne-gold);
      cursor: pointer;
    }
    .accordion-content {
      background: white;
      padding: 20px 24px;
    }
    /* CTA */
    .cta-section {
      background: linear-gradient(135deg, var(--deep-purple), #2D1B4E);
      color: white;
    }
    .cta-form input, .cta-form textarea {
      border: 1px solid var(--border-light);
      border-radius: 8px;
      padding: 14px;
      width: 100%;
      margin-bottom: 16px;
      background: white;
    }
    .cta-form input:focus {
      border-color: var(--champagne-gold);
      outline: none;
    }
    /* 页脚 */
    .footer {
      background: var(--deep-purple);
      color: #B0A8C0;
      padding: 60px 0 30px;
    }
    .footer a {
      color: #B0A8C0;
    }
    .footer a:hover {
      color: var(--champagne-gold);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 32px;
    }
    @media (max-width: 768px) {
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }