/* roulang page: index */
@import url('/assets/css/vendor/0b67347532-css2.css');

    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    :root {
      --bg-deep: #0B0C10;
      --bg-purple: #1A0F2E;
      --gold: #F5A623;
      --gold-dark: #E08E0B;
      --electric-purple: #A855F7;
      --glass-bg: rgba(20, 20, 40, 0.65);
      --glass-border: rgba(245, 166, 35, 0.2);
      --text-primary: #ffffff;
      --text-secondary: #e0e0e0;
      --text-muted: #b0b0c0;
      --radius-card: 16px;
      --radius-btn: 12px;
      --radius-input: 8px;
      --shadow-card: 0 8px 32px rgba(0,0,0,0.5);
      --shadow-gold: 0 12px 40px rgba(245,166,35,0.25);
      --font-number: 'Inter', 'Noto Sans SC', system-ui;
    }

    body {
      font-family: 'Noto Sans SC', system-ui, -apple-system, sans-serif;
      background-color: var(--bg-deep);
      color: var(--text-primary);
      line-height: 1.6;
      overflow-x: hidden;
      background-image: radial-gradient(circle at 20% 30%, rgba(168, 85, 247, 0.08) 0%, transparent 45%), 
                        radial-gradient(circle at 80% 70%, rgba(245, 166, 35, 0.04) 0%, transparent 45%);
    }

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

    a {
      text-decoration: none;
      color: inherit;
    }

    button, input {
      font-family: inherit;
    }

    /* 全局玻璃容器 */
    .glass-card {
      background: var(--glass-bg);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border: 1px solid var(--glass-border);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      transition: all 0.25s ease;
    }

    .glass-card:hover {
      border-color: rgba(245,166,35,0.55);
      box-shadow: var(--shadow-gold);
      transform: translateY(-4px);
    }

    /* 导航 */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 72px;
      background: rgba(10, 10, 20, 0.8);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(245,166,35,0.18);
      z-index: 100;
      display: flex;
      align-items: center;
      padding: 0 2rem;
    }

    .logo {
      font-size: 1.7rem;
      font-weight: 800;
      background: linear-gradient(135deg, #F5A623 0%, #FFD966 80%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      letter-spacing: 2px;
      display: flex;
      align-items: center;
      gap: 8px;
      margin-right: auto;
    }

    .logo-icon {
      font-size: 2rem;
      color: #F5A623;
      -webkit-text-fill-color: #F5A623;
      filter: drop-shadow(0 0 10px #F5A623);
    }

    .nav-links {
      display: flex;
      gap: 2rem;
      list-style: none;
      margin-right: 2rem;
    }

    .nav-links a {
      color: var(--text-secondary);
      font-weight: 500;
      padding: 0.5rem 0;
      border-bottom: 2px solid transparent;
      transition: 0.2s;
      font-size: 1.05rem;
    }

    .nav-links a:hover,
    .nav-links a.active {
      color: #F5A623;
      border-bottom-color: #F5A623;
    }

    .btn-gold {
      background: linear-gradient(145deg, #F5A623, #E08E0B);
      color: #0B0C10;
      font-weight: 700;
      padding: 0.7rem 1.8rem;
      border-radius: var(--radius-btn);
      cursor: pointer;
      transition: 0.25s;
      border: none;
      box-shadow: 0 0 25px rgba(245,166,35,0.5);
      letter-spacing: 0.5px;
      font-size: 1rem;
    }

    .btn-gold:hover {
      box-shadow: 0 0 38px rgba(245,166,35,0.8);
      transform: scale(1.02);
    }

    .menu-toggle {
      display: none;
      background: transparent;
      border: 2px solid #F5A623;
      color: #F5A623;
      font-size: 1.8rem;
      border-radius: 8px;
      padding: 0.3rem 0.7rem;
      cursor: pointer;
    }

    .mobile-drawer {
      display: none;
    }

    /* Hero */
    .hero {
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      padding-top: 72px;
      position: relative;
      background-image: url('/assets/images/backpic/back-1.webp');
      background-size: cover;
      background-position: center;
    }

    .hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background: radial-gradient(circle at center, rgba(11,12,16,0.5) 0%, #0B0C10 95%);
      z-index: 1;
    }

    .hero-content {
      position: relative;
      z-index: 2;
      max-width: 900px;
      padding: 0 1.5rem;
    }

    .hero h1 {
      font-size: clamp(3rem, 7vw, 5.2rem);
      font-weight: 900;
      background: linear-gradient(180deg, #F5E6B8 0%, #F5A623 70%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      text-shadow: 0 0 35px rgba(245,166,35,0.9);
      margin-bottom: 1.5rem;
      line-height: 1.2;
    }

    .hero p {
      font-size: 1.3rem;
      color: #ececec;
      margin-bottom: 2.8rem;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }

    .button-group {
      display: flex;
      gap: 1.5rem;
      justify-content: center;
      flex-wrap: wrap;
    }

    .btn-outline-gold {
      border: 2px solid #F5A623;
      background: transparent;
      color: #F5A623;
      font-weight: 600;
      padding: 0.7rem 2rem;
      border-radius: var(--radius-btn);
      transition: 0.25s;
    }
    .btn-outline-gold:hover {
      background: rgba(245,166,35,0.1);
      border-color: #FFD700;
    }

    .section {
      padding: 5rem 2rem;
      max-width: 1300px;
      margin: 0 auto;
    }

    .section-title {
      font-size: 2.7rem;
      font-weight: 800;
      text-align: center;
      margin-bottom: 1rem;
      position: relative;
      display: inline-block;
      left: 50%;
      transform: translateX(-50%);
      background: linear-gradient(to right, #F5A623, #A855F7);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .section-sub {
      text-align: center;
      color: #bbbbcc;
      margin-bottom: 3.5rem;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }

    /* 服务错层2+1 */
    .services-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
      align-items: stretch;
    }

    .service-large {
      grid-row: span 2;
    }

    /* 数据数字 */
    .stat-block {
      background: rgba(26,15,46,0.8);
      backdrop-filter: blur(12px);
      border: 1px solid rgba(245,166,35,0.25);
      border-radius: 24px;
      padding: 2.2rem;
    }
    .stat-number {
      font-family: var(--font-number);
      font-size: 3.3rem;
      font-weight: 800;
      color: #F5A623;
      text-shadow: 0 0 30px #F5A62380;
    }

    /* 案例卡片竖向带图 */
    .case-scroll {
      display: flex;
      gap: 1.8rem;
      overflow-x: auto;
      padding-bottom: 1rem;
    }
    .case-card img {
      border-radius: 12px;
      height: 200px;
      object-fit: cover;
    }

    /* FAQ 手风琴 */
    .faq-item {
      border: 1px solid rgba(245,166,35,0.15);
      background: rgba(20,20,45,0.5);
      border-radius: 14px;
      margin-bottom: 14px;
      transition: 0.2s;
    }
    .faq-item.active {
      border-color: #F5A623;
      background: rgba(245,166,35,0.07);
      box-shadow: 0 0 30px rgba(245,166,35,0.35);
    }

    footer {
      background: #050510;
      border-top: 1px solid rgba(245,166,35,0.2);
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
      }
      .menu-toggle {
        display: block;
      }
      .mobile-drawer {
        display: flex;
        position: fixed;
        top: 72px;
        left: 0;
        width: 100%;
        background: rgba(10,10,20,0.96);
        backdrop-filter: blur(30px);
        flex-direction: column;
        padding: 2rem;
        gap: 1.6rem;
        transform: translateY(-150%);
        transition: 0.35s;
        z-index: 99;
      }
      .mobile-drawer.open {
        transform: translateY(0);
      }
      .services-grid {
        grid-template-columns: 1fr;
      }
      .section-title {
        font-size: 2.2rem;
      }
      .hero h1 {
        font-size: 2.8rem;
      }
    }

.faq-item.active p { display: block !important; }
    .faq-item.active i { transform: rotate(45deg); color:#F5A623; }