/* roulang page: index */
:root {
      --primary-deep: #4A0E5C;
      --primary-mid: #7B2D8E;
      --accent-cyan: #00E5FF;
      --accent-gold: #FFB300;
      --bg-light: #FAF8FC;
      --bg-pale: #F3EEF8;
      --text-dark: #1E1030;
      --text-body: #3A2A4A;
      --card-shadow: 0 12px 28px rgba(74,14,92,0.08);
      --card-radius: 20px;
      --btn-radius: 40px;
      --font-heading: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
      --font-body: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    body {
      font-family: var(--font-body);
      background-color: var(--bg-light);
      color: var(--text-body);
      margin: 0;
      padding: 0;
      line-height: 1.7;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }

    h1, h2, h3, h4 {
      font-family: var(--font-heading);
      color: var(--text-dark);
      letter-spacing: -0.02em;
    }

    a {
      color: var(--accent-cyan);
      transition: all 0.25s ease;
    }
    a:hover {
      color: var(--primary-mid);
      text-decoration: none;
    }

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

    /* 自定义容器微调 */
    .custom-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 导航 - 品牌活动风格 磨砂玻璃 */
    .gg-nav {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 72px;
      background: rgba(30, 16, 48, 0.75);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      box-shadow: 0 8px 24px rgba(0,0,0,0.08);
      z-index: 100;
      display: flex;
      align-items: center;
      padding: 0 32px;
    }
    .nav-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 700;
      font-size: 1.8rem;
      color: white;
      letter-spacing: 0.5px;
    }
    .nav-logo i {
      color: var(--accent-cyan);
      font-size: 2rem;
      filter: drop-shadow(0 0 6px rgba(0,229,255,0.7));
    }
    .nav-links {
      display: flex;
      gap: 2.2rem;
      margin-left: auto;
      margin-right: 2rem;
      align-items: center;
    }
    .nav-links a {
      color: #E0D7E8;
      font-weight: 500;
      font-size: 0.95rem;
      text-decoration: none;
      position: relative;
      transition: 0.2s;
    }
    .nav-links a:hover {
      color: white;
    }
    .status-badge {
      background: rgba(255,255,255,0.1);
      border-radius: 30px;
      padding: 0.3rem 1.2rem;
      display: flex;
      align-items: center;
      gap: 6px;
      color: #ddd;
      font-size: 0.8rem;
      margin-right: 1rem;
    }
    .pulse-dot {
      width: 8px;
      height: 8px;
      background: var(--accent-cyan);
      border-radius: 50%;
      display: inline-block;
      animation: pulse 1.8s infinite;
      box-shadow: 0 0 10px var(--accent-cyan);
    }
    @keyframes pulse {
      0% { opacity: 0.8; transform: scale(0.95); }
      70% { opacity: 0.3; transform: scale(1.4); }
      100% { opacity: 0.8; transform: scale(0.95); }
    }
    .btn-nav-cta {
      background: var(--accent-cyan);
      color: #0a0110;
      font-weight: 700;
      padding: 0.6rem 2rem;
      border-radius: 30px;
      font-size: 0.9rem;
      transition: 0.3s;
      border: none;
      cursor: pointer;
      text-decoration: none;
    }
    .btn-nav-cta:hover {
      background: white;
      color: #1E1030;
      box-shadow: 0 0 22px rgba(0,229,255,0.8);
    }
    /* 汉堡菜单 */
    .hamburger {
      display: none;
      font-size: 1.8rem;
      color: white;
      cursor: pointer;
      margin-left: auto;
    }
    @media (max-width: 840px) {
      .nav-links, .status-badge, .btn-nav-cta.desktop-only {
        display: none;
      }
      .hamburger {
        display: block;
      }
      .gg-nav {
        padding: 0 20px;
        justify-content: space-between;
      }
      .mobile-menu {
        position: fixed;
        top: 72px;
        right: -100%;
        width: 75%;
        max-width: 300px;
        height: calc(100vh - 72px);
        background: rgba(20, 10, 35, 0.96);
        backdrop-filter: blur(20px);
        display: flex;
        flex-direction: column;
        padding: 2rem;
        transition: right 0.35s ease;
        z-index: 99;
      }
      .mobile-menu.active {
        right: 0;
      }
      .mobile-menu a {
        color: #fff;
        padding: 0.9rem 0;
        border-bottom: 1px solid rgba(255,255,255,0.1);
      }
    }

    /* Hero 全屏 */
    .hero-section {
      min-height: 100vh;
      background: linear-gradient(135deg, #2D0A3A 0%, #4A0E5C 50%, #7B2D8E 100%);
      position: relative;
      display: flex;
      align-items: center;
      overflow: hidden;
      padding-top: 72px;
    }
    .particles {
      position: absolute;
      top:0;
      left:0;
      width:100%;
      height:100%;
      pointer-events: none;
      background: radial-gradient(circle at 30% 40%, rgba(0,229,255,0.12) 0%, transparent 50%);
    }
    .hero-content {
      position: relative;
      z-index: 2;
      padding: 2rem 0;
    }
    .hero-title {
      font-size: 3.2rem;
      font-weight: 700;
      color: white;
      line-height: 1.3;
      margin-bottom: 1.5rem;
    }
    .hero-sub {
      font-size: 1.25rem;
      color: rgba(255,255,255,0.8);
      max-width: 600px;
      margin-bottom: 2.5rem;
    }
    .btn-group .btn-primary {
      background: var(--accent-cyan);
      color: #0B0212;
      font-weight: bold;
      padding: 0.9rem 2.6rem;
      border-radius: 40px;
      margin-right: 1rem;
      box-shadow: 0 0 18px rgba(0,229,255,0.5);
      border: none;
    }
    .btn-outline-light {
      border: 2px solid rgba(255,255,255,0.7);
      color: white;
      padding: 0.9rem 2.2rem;
      border-radius: 40px;
      background: transparent;
    }
    .hero-dashboard {
      max-width: 520px;
      filter: drop-shadow(0 20px 35px rgba(0,0,0,0.5));
      animation: float 5s ease-in-out infinite;
    }
    @keyframes float {
      0%{transform: translateY(0);}
      50%{transform: translateY(-12px);}
      100%{transform: translateY(0);}
    }

    /* 通用板块 */
    .section-padding {
      padding: 80px 0;
    }
    .bg-pale {
      background: var(--bg-pale);
    }

    .badge-capsule {
      background: rgba(74,14,92,0.1);
      color: var(--primary-deep);
      font-weight: 600;
      padding: 0.3rem 1rem;
      border-radius: 20px;
      font-size: 0.8rem;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    /* 卡片通用 */
    .card-custom {
      background: white;
      border-radius: var(--card-radius);
      box-shadow: var(--card-shadow);
      transition: all 0.3s ease;
      height: 100%;
    }
    .card-custom:hover {
      transform: translateY(-6px);
      box-shadow: 0 24px 40px rgba(74,14,92,0.14);
    }

    .stat-number {
      font-size: 2.8rem;
      font-weight: 700;
      color: var(--primary-deep);
    }

    /* 手风琴 */
    .accordion-title {
      font-weight: 600;
      border-radius: 12px;
      background: white;
      margin-bottom: 6px;
    }