:root {
      --primary: #818cf8;
      --accent: #c084fc;
      --bg-deep: #1e1b4b;
      --text-light: #e0e7ff;
      --card-bg: rgba(255, 255, 255, 0.04);
      --border-light: rgba(224, 231, 255, 0.12);
      --shadow-sm: 0 6px 16px rgba(0, 0, 0, 0.25);
      --radius: 8px;
    }
    
    body {
      background-color: var(--bg-deep);
      color: var(--text-light);
      font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
      overflow-x: hidden;
    }
    
    /* 几何装饰背景 */
    .geo-bg {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      pointer-events: none;
      z-index: 0;
      overflow: hidden;
    }
    .geo-bg span {
      position: absolute;
      display: block;
      opacity: 0.12;
      background: var(--primary);
      border-radius: 4px;
    }
    .geo-bg .circle { border-radius: 50%; background: var(--accent); }
    .geo-bg .triangle {
      width: 0; height: 0;
      background: transparent !important;
      border-left: 20px solid transparent;
      border-right: 20px solid transparent;
      border-bottom: 35px solid var(--accent);
      border-radius: 0 !important;
    }
    
    /* 所有内容在z-index上层 */
    .container, header, footer, .geo-bg ~ * {
      position: relative;
      z-index: 2;
    }
    
    /* 导航 */
    .navbar {
      background: rgba(30, 27, 75, 0.8);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-light);
      padding: 14px 0;
    }
    .navbar-brand {
      font-family: 'ZCOOL KuaiLe', cursive;
      font-size: 1.8rem;
      color: var(--text-light) !important;
      letter-spacing: 1px;
      margin-right: 2rem;
    }
    .navbar-brand i {
      color: var(--accent);
      margin-right: 6px;
    }
    .nav-link {
      color: var(--text-light) !important;
      font-weight: 500;
      margin: 0 12px;
      transition: 0.2s;
    }
    .nav-link:hover {
      color: var(--primary) !important;
    }
    
    /* Hero 打字机动画 */
    .hero-zone {
      padding: 100px 0 80px;
      position: relative;
      background: linear-gradient(145deg, rgba(129,140,248,0.12) 0%, rgba(192,132,252,0.05) 80%);
      border-bottom: 1px solid var(--border-light);
      overflow: hidden;
    }
    .hero-zone::after {
      content: "";
      position: absolute;
      top: 0; left: 0;
      width: 100%; height: 100%;
      background: radial-gradient(circle at 80% 20%, rgba(192,132,252,0.2) 0%, transparent 40%);
      z-index: -1;
    }
    .typewriter h1 {
      font-family: 'ZCOOL KuaiLe', cursive;
      font-size: 3.4rem;
      font-weight: 700;
      display: inline-block;
      overflow: hidden;
      white-space: nowrap;
      border-right: 3px solid var(--accent);
      width: 100%;
      max-width: 16em; /* 控制宽度 */
      animation: typing 3.5s steps(22, end), caret 0.7s step-end infinite;
      color: var(--text-light);
      text-shadow: 0 0 30px rgba(192,132,252,0.4);
    }
    @keyframes typing {
      from { width: 0; }
      to { width: 16em; }
    }
    @keyframes caret {
      50% { border-color: transparent; }
    }
    .hero-sub {
      font-size: 1.25rem;
      color: rgba(224, 231, 255, 0.8);
      margin-top: 25px;
    }
    .hero-cta {
      margin-top: 30px;
      display: flex;
      gap: 15px;
      flex-wrap: wrap;
    }
    .btn-hero {
      background: var(--primary);
      border: none;
      padding: 12px 30px;
      border-radius: var(--radius);
      font-weight: 600;
      color: #1e1b4b;
      transition: 0.25s;
      box-shadow: var(--shadow-sm);
    }
    .btn-hero:hover {
      background: var(--accent);
      transform: translateY(-2px);
      color: #1e1b4b;
    }
    .btn-outline {
      background: transparent;
      border: 1px solid var(--border-light);
      color: var(--text-light);
      padding: 12px 24px;
      border-radius: var(--radius);
      transition: 0.2s;
    }
    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
    }
    
    /* 区块通用 */
    section {
      padding: 80px 0;
      border-bottom: 1px solid rgba(224, 231, 255, 0.08);
    }
    .section-title {
      font-family: 'ZCOOL KuaiLe', cursive;
      font-size: 2.2rem;
      margin-bottom: 30px;
      color: var(--text-light);
    }
    .section-title i {
      color: var(--accent);
      margin-right: 10px;
    }
    
    /* 特色卡片网格 (特色区) */
    .feature-grid .card {
      background: var(--card-bg);
      border: 1px solid var(--border-light);
      border-radius: var(--radius);
      padding: 28px 20px;
      backdrop-filter: blur(4px);
      transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.2);
      margin-bottom: 20px;
    }
    .feature-grid .card:hover {
      transform: scale(1.02);
      border-color: var(--primary);
      box-shadow: 0 12px 30px rgba(129, 140, 248, 0.2);
    }
    .feature-grid .icon {
      font-size: 2.5rem;
      color: var(--primary);
      margin-bottom: 15px;
    }
    .feature-grid h5 {
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-light);
    }
    .feature-grid p {
      color: rgba(224, 231, 255, 0.7);
      font-size: 0.95rem;
    }
    
    /* FAQ折叠区 */
    .faq-item {
      background: rgba(255,255,255,0.03);
      border: 1px solid var(--border-light);
      border-radius: var(--radius);
      margin-bottom: 12px;
    }
    .faq-q {
      font-weight: 600;
      padding: 18px 20px;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .faq-a {
      padding: 0 20px 18px;
      color: rgba(224, 231, 255, 0.8);
      display: none;
      border-top: 1px dashed rgba(224,231,255,0.1);
      margin: 0 20px;
      padding-left: 0;
      padding-right: 0;
    }
    .faq-item.open .faq-a {
      display: block;
      padding-top: 14px;
    }
    .faq-item.open i {
      transform: rotate(180deg);
    }
    .faq-q i {
      transition: 0.2s;
      color: var(--primary);
    }
    
    /* 介绍区步骤条 */
    .steps-wrapper {
      display: flex;
      flex-direction: column;
      gap: 30px;
      margin-top: 40px;
      position: relative;
    }
    .steps-wrapper::before {
      content: "";
      position: absolute;
      left: 22px;
      top: 10px;
      bottom: 10px;
      width: 2px;
      background: linear-gradient(to bottom, var(--primary), var(--accent));
      opacity: 0.4;
    }
    .step-item {
      display: flex;
      gap: 20px;
      align-items: flex-start;
      position: relative;
    }
    .step-num {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: var(--primary);
      color: #1e1b4b;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      z-index: 2;
      box-shadow: 0 0 0 4px rgba(129,140,248,0.2);
      flex-shrink: 0;
    }
    .step-content {
      background: rgba(255,255,255,0.04);
      padding: 16px 22px;
      border-radius: var(--radius);
      border: 1px solid var(--border-light);
      flex: 1;
      transition: 0.2s;
    }
    .step-content:hover {
      border-color: var(--accent);
    }
    .step-content h5 {
      font-weight: 700;
      margin-bottom: 6px;
    }
    
    /* 滚动渐显 */
    .fade-up {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 0.6s ease, transform 0.6s ease;
    }
    .fade-up.visible {
      opacity: 1;
      transform: translateY(0);
    }
    .delay-1 { transition-delay: 0.1s; }
    .delay-2 { transition-delay: 0.2s; }
    .delay-3 { transition-delay: 0.3s; }
    
    /* CTA区域 */
    .cta-box {
      background: linear-gradient(120deg, rgba(129,140,248,0.2), rgba(192,132,252,0.2));
      border: 1px solid var(--border-light);
      border-radius: 16px;
      padding: 50px 30px;
      text-align: center;
    }
    
    /* 友情链接与页脚 */
    .footer-links {
      background: rgba(0,0,0,0.15);
      padding: 40px 0;
      border-top: 1px solid var(--border-light);
    }
    .footer-links h6 {
      color: var(--text-light);
      font-weight: 700;
    }
    .friend-links {
      color: rgba(224,231,255,0.7);
      word-break: break-all;
    }
    footer {
      background: #151236;
      padding: 20px 0;
      border-top: 1px solid rgba(224,231,255,0.1);
      font-size: 0.9rem;
      color: rgba(224,231,255,0.6);
    }
    
    /* 视差背景 */
    .parallax-bg {
      background-attachment: fixed;
      background-position: center;
      background-repeat: no-repeat;
      background-size: cover;
    }

/* --- 子页面追加 --- */
/* 本页专属样式(自动合并) */
        .about-hero {
            padding: 120px 0 60px;
            text-align: center;
        }
.about-section {
            padding: 50px 0;
        }
.about-card {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            padding: 30px;
            height: 100%;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
.about-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-sm);
        }
.about-icon {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 15px;
        }
.timeline {
            position: relative;
            padding-left: 30px;
            border-left: 2px solid var(--border-light);
        }
.timeline-item {
            position: relative;
            padding: 20px 0 20px 25px;
        }
.timeline-item::before {
            content: '';
            position: absolute;
            left: -8px;
            top: 28px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid var(--bg-deep);
        }
.timeline-year {
            color: var(--accent);
            font-weight: 700;
            font-size: 1.1rem;
        }
.feature-list {
            list-style: none;
            padding: 0;
        }
.feature-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            display: flex;
            align-items: center;
        }
.feature-list li i {
            color: var(--primary);
            margin-right: 12px;
            width: 20px;
        }
.feature-list li:last-child {
            border-bottom: none;
        }
.value-badge {
            display: inline-block;
            padding: 8px 16px;
            background: rgba(129, 140, 248, 0.15);
            border: 1px solid rgba(129, 140, 248, 0.3);
            border-radius: 50px;
            color: var(--text-light);
            font-weight: 500;
            margin: 4px;
            font-size: 0.9rem;
        }
.team-member {
            text-align: center;
            padding: 20px;
        }
.team-avatar {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            margin: 0 auto 15px;
            color: #fff;
            font-weight: 700;
        }

/* --- 子页面追加 --- */
/* 保证 Bootstrap 组件与深色主题融合 */
        .card, .card-body, .card-title, .card-text, .card-header, .card-footer,
        .form-control, .form-select, .form-label, .input-group-text,
        .table, .list-group-item, .accordion-item, .accordion-button, .accordion-body,
        .modal-content, .modal-header, .modal-body, .dropdown-menu, .dropdown-item,
        .nav-link, .navbar, .navbar-brand {
            background: transparent;
            color: var(--text-light);
            border-color: var(--border-light);
        }
/* 导航栏品牌、链接颜色 */
        .navbar {
            background: rgba(30, 27, 75, 0.75) !important;
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border-light);
        }
.navbar-brand, .nav-link {
            color: var(--text-light) !important;
        }
.nav-link.active {
            color: var(--accent) !important;
            font-weight: 600;
        }
/* 页面专属卡片区 */
        .disclaimer-card {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            padding: 1.8rem 2rem;
            margin-bottom: 2rem;
            box-shadow: var(--shadow-sm);
        }
/* 小标题修饰 */
        .disclaimer-card h2, .disclaimer-card h3 {
            color: var(--accent);
            font-weight: 600;
            letter-spacing: 0.3px;
            border-left: 4px solid var(--primary);
            padding-left: 1rem;
            margin-bottom: 1.5rem;
        }
.disclaimer-card p {
            color: var(--text-light);
            opacity: 0.9;
            line-height: 1.8;
        }
.disclaimer-card a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
.disclaimer-card a:hover {
            color: var(--accent);
        }
/* 高亮列表 */
        .disclaimer-list {
            list-style: none;
            padding-left: 0;
        }
.disclaimer-list li {
            position: relative;
            padding-left: 1.8rem;
            margin-bottom: 0.8rem;
            color: var(--text-light);
            opacity: 0.95;
        }
.disclaimer-list li::before {
            content: "\f05a";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 0.1rem;
            color: var(--accent);
            font-size: 1rem;
        }
/* 页脚链接 */
        .footer-links a {
            color: var(--text-light);
            opacity: 0.8;
            text-decoration: none;
            margin-right: 1.5rem;
            transition: opacity .2s;
        }
.footer-links a:hover {
            opacity: 1;
            color: var(--accent);
        }
/* 页面主标题 */
        .page-header {
            text-align: center;
            padding: 3.5rem 1rem 2.5rem;
        }
.page-header h1 {
            font-weight: 800;
            font-size: 2.6rem;
            color: var(--text-light);
            letter-spacing: 1px;
        }
.page-header h1 span {
            color: var(--accent);
        }
.page-header p {
            color: rgba(224, 231, 255, 0.75);
            font-size: 1.1rem;
            max-width: 700px;
            margin: 0.8rem auto 0;
        }