/* 深夜石板配色 + 拟物厚重风 + 点阵背景 + 自定义变量 */
    :root {
      --primary: #38bdf8;
      --accent: #a78bfa;
      --bg: #0f172a;
      --text: #e2e8f0;
      --card-bg: #1e293b;
      --card-border: #2d3a4f;
      --shadow-heavy: 0 25px 50px -12px rgba(0, 0, 0, 0.8), 0 10px 20px -5px rgba(0, 0, 0, 0.6);
      --shadow-lift: 0 18px 40px -10px rgba(56, 189, 248, 0.2), 0 8px 20px rgba(0, 0, 0, 0.5);
    }
    * { margin: 0; padding: 0; box-sizing: border-box; }
    body {
      background: var(--bg);
      color: var(--text);
      font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      line-height: 1.75;
      font-weight: 400;
      letter-spacing: 0.2px;
      position: relative;
      background-image: radial-gradient(circle at 1px 1px, rgba(167, 139, 250, 0.06) 1px, transparent 0);
      background-size: 24px 24px;
    }
    /* 点阵增强 + 细网格叠加 */
    body::before {
      content: '';
      position: fixed;
      inset: 0;
      background-image: linear-gradient(rgba(56,189,248,0.02) 1px, transparent 1px), linear-gradient(90deg, rgba(56,189,248,0.02) 1px, transparent 1px);
      background-size: 80px 80px;
      pointer-events: none;
      z-index: 0;
    }
    .container { max-width: 880px; }
    section, footer { position: relative; z-index: 2; }
    /* 拟物厚重感 */
    .card-neumorph {
      background: var(--card-bg);
      border-radius: 32px;
      box-shadow: var(--shadow-heavy);
      border: 1px solid rgba(56, 189, 248, 0.15);
      transition: all 0.3s ease;
    }
    .btn-3d {
      box-shadow: 0 10px 0 #0b2239, 0 15px 25px rgba(0,0,0,0.5);
      transition: all 0.12s ease;
      border: 1px solid var(--primary);
      font-weight: 700;
      letter-spacing: 0.3px;
      background: linear-gradient(145deg, #1c3a54, #0f2638);
    }
    .btn-3d:hover {
      transform: translateY(3px);
      box-shadow: 0 4px 0 #0b2239, 0 12px 20px rgba(0,0,0,0.5);
      background: linear-gradient(145deg, #1e405e, #142e44);
      border-color: var(--accent);
    }
    .btn-3d:active { transform: translateY(8px); box-shadow: 0 2px 0 #0b2239; }
    /* 按钮光泽扫过 */
    .btn-gloss {
      position: relative;
      overflow: hidden;
      z-index: 1;
    }
    .btn-gloss::after {
      content: '';
      position: absolute;
      top: 0;
      left: -120%;
      width: 60%;
      height: 100%;
      background: linear-gradient(120deg, transparent, rgba(255,255,255,0.2), transparent);
      transform: skewX(-20deg);
      transition: left 0.5s ease;
      z-index: 2;
    }
    .btn-gloss:hover::after { left: 150%; }
    /* 导航吸顶+背景变化 */
    .navbar {
      background: rgba(15, 23, 42, 0.75) !important;
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(167, 139, 250, 0.25);
      transition: background 0.4s, box-shadow 0.4s;
      box-shadow: 0 10px 30px -10px rgba(0,0,0,0.6);
    }
    .navbar.scrolled {
      background: rgba(10, 16, 32, 0.9) !important;
      box-shadow: 0 15px 35px -8px rgba(0,0,0,0.7);
    }
    .navbar-brand, .navbar-brand:hover {
      font-weight: 900;
      color: var(--primary) !important;
      text-shadow: 0 2px 10px rgba(56,189,248,0.4);
      letter-spacing: -0.5px;
    }
    .nav-link {
      color: var(--text) !important;
      font-weight: 500;
      margin: 0 10px;
      transition: color 0.2s;
    }
    .nav-link:hover { color: var(--primary) !important; }
    /* 标题字体层级 */
    h1, h2, h3, h4 { font-weight: 800; letter-spacing: -0.02em; }
    .lead { font-weight: 400; color: #cbd5e1; }
    /* 点状角标 */
    .dot-badge {
      display: inline-block;
      width: 8px; height: 8px;
      background: var(--primary);
      border-radius: 50%;
      margin-right: 8px;
      box-shadow: 0 0 12px var(--primary);
    }
    /* 对比表格拟物 */
    .table-compare {
      background: #151e2e;
      border-radius: 30px;
      box-shadow: var(--shadow-heavy);
      border: 1px solid #2d3a4f;
    }
    .table-compare th, .table-compare td {
      padding: 1rem 1.2rem;
      background: transparent;
      color: var(--text);
      border-bottom: 1px solid #293548;
    }
    .table-compare thead th {
      font-weight: 700;
      background: rgba(56, 189, 248, 0.08);
      color: var(--primary);
      text-transform: uppercase;
      font-size: 0.9rem;
      letter-spacing: 1px;
    }
    /* FAQ 手风琴自定义 */
    .accordion-button {
      background: transparent;
      color: var(--text);
      font-weight: 600;
      box-shadow: none;
      border: none;
    }
    .accordion-item {
      background: rgba(30, 41, 59, 0.5);
      border: 1px solid rgba(167,139,250,0.2);
      border-radius: 16px;
      margin-bottom: 12px;
      overflow: hidden;
      backdrop-filter: blur(4px);
    }
    .accordion-button:not(.collapsed) {
      color: var(--primary);
      background: rgba(56,189,248,0.1);
      box-shadow: none;
    }
    /* 特色图标卡片 */
    .feature-card {
      background: var(--card-bg);
      border-radius: 24px;
      padding: 1.8rem 1.2rem;
      text-align: center;
      transition: all 0.3s ease;
      border: 1px solid rgba(167,139,250,0.15);
      box-shadow: 0 12px 25px -8px rgba(0,0,0,0.6);
    }
    .feature-card i {
      font-size: 2.4rem;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
      filter: drop-shadow(0 4px 8px rgba(56,189,248,0.4));
    }
    .feature-card h5 { font-weight: 700; margin-top: 0.8rem; }
    /* CTA */
    .cta-box {
      background: linear-gradient(145deg, rgba(56,189,248,0.1), rgba(167,139,250,0.1));
      border: 1px solid var(--accent);
      border-radius: 60px;
    }
    /* 友情链接区 */
    .friend-links {
      border-top: 1px dashed #3a4a63;
      padding-top: 2rem;
      margin-top: 3rem;
    }
    .friend-links a { color: var(--text); opacity: 0.8; margin: 0 12px; }
    /* 数字滚动 */
    .stat-number { font-weight: 900; color: var(--primary); font-size: 2.6rem; }
    /* 页脚 */
    footer {
      color: #94a3b8;
      font-size: 0.95rem;
      border-top: 1px solid #1e2c3c;
    }
    footer .copyright { font-weight: 500; color: #b9c7da; }

/* --- 子页面追加 --- */
/* 本页专属补充样式(轻量,不覆盖站点核心变量) */
        .section-title {
            position: relative;
            display: inline-block;
            padding-bottom: 0.5rem;
            margin-bottom: 2rem;
            font-weight: 800;
        }
.section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 3px;
        }
.pricing-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: 16px;
            padding: 2rem 1.5rem;
            height: 100%;
            transition: all 0.35s ease;
            position: relative;
        }
.pricing-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lift);
            border-color: var(--primary);
        }
.pricing-card .price {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1.2;
        }
.pricing-card .price small {
            font-size: 1rem;
            font-weight: 500;
            color: var(--text);
            opacity: 0.7;
        }
.pricing-badge {
            position: absolute;
            top: -12px;
            right: 20px;
            background: linear-gradient(135deg, var(--accent), var(--primary));
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 20px;
            letter-spacing: 0.5px;
        }
.feature-check {
            color: var(--primary);
            margin-right: 8px;
        }
.feature-cross {
            color: #64748b;
            margin-right: 8px;
        }
.step-number {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
.timeline-item {
            border-left: 2px solid var(--card-border);
            padding-left: 1.5rem;
            margin-bottom: 2rem;
            position: relative;
        }
.timeline-item::before {
            content: '';
            position: absolute;
            left: -7px;
            top: 4px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--primary);
            box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
        }
.faq-q {
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 0.3rem;
        }
.faq-a {
            color: var(--text);
            opacity: 0.85;
            margin-bottom: 1.5rem;
            padding-left: 0.8rem;
            border-left: 2px solid var(--card-border);
        }
.table-compare th {
            color: var(--primary);
            font-weight: 600;
        }
.table-compare tr:last-child td {
            border-bottom: none;
        }
.btn-outline-soft {
            display: inline-block;
            padding: 0.8rem 2.2rem;
            font-weight: 600;
            border-radius: 12px;
            border: 1px solid var(--card-border);
            color: var(--text);
            transition: all 0.25s ease;
            text-decoration: none;
        }
.btn-outline-soft:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

/* --- 子页面追加 --- */
/* 本页专属样式 */
        .disclaimer-hero {
            padding: 80px 0 40px;
        }
.disclaimer-section {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: 16px;
            padding: 32px;
            margin-bottom: 24px;
            box-shadow: var(--shadow-heavy);
        }
.disclaimer-section h2 {
            color: var(--primary);
            font-weight: 700;
            font-size: 1.5rem;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
.disclaimer-section h2 i {
            color: var(--accent);
            font-size: 1.3rem;
        }
.disclaimer-section p, .disclaimer-section li {
            color: var(--text);
            line-height: 1.8;
            font-size: 0.95rem;
        }
.disclaimer-section ul {
            padding-left: 20px;
            margin: 12px 0;
        }
.disclaimer-section li {
            margin-bottom: 8px;
        }
.highlight-box {
            background: rgba(56, 189, 248, 0.08);
            border-left: 4px solid var(--primary);
            padding: 16px 20px;
            border-radius: 0 8px 8px 0;
            margin: 20px 0;
        }
.highlight-box p {
            margin: 0;
            color: var(--primary);
            font-weight: 500;
        }
.back-home {
            text-align: center;
            margin: 40px 0;
        }

/* --- 子页面追加 --- */
/* 覆盖 bootstrap 组件配色，避免白块 */
    .accordion-item, .accordion-button {
      background: var(--card-bg) !important;
      color: var(--text) !important;
      border-color: var(--card-border) !important;
    }
.accordion-button::after {
      filter: invert(1) brightness(2);
    }
.list-group-item {
      background: var(--card-bg);
      color: var(--text);
      border-color: var(--card-border);
    }
.table-compare th,
    .table-compare td {
      border-color: var(--card-border);
    }
/* 确保无白底 */
    .card, .card-body {
      background: var(--card-bg);
      color: var(--text);
      border-color: var(--card-border);
    }
.card-title, .card-text {
      color: var(--text);
    }
/* 页内锚点偏移 */
    html {
      scroll-behavior: smooth;
    }
/* 自定义列表装饰 */
    .island-list li {
      margin-bottom: 0.6rem;
      line-height: 1.7;
    }
.island-list i {
      color: var(--accent);
      margin-right: 8px;
    }
.badge-soft {
      background: rgba(167,139,250,0.18);
      color: var(--accent);
      padding: 0.2rem 0.8rem;
      border-radius: 30px;
      font-size: 0.8rem;
    }

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.table { color:#e2e8f0 !important; border-color:rgba(255,255,255,.12) !important; --bs-table-bg:transparent !important; --bs-table-color:#e2e8f0 !important; }
.accordion-body { background:transparent !important; color:#e2e8f0 !important; }
.accordion-header { background:transparent !important; }