:root {
      --mk-primary: #2563eb;
      --mk-accent: #06b6d4;
      --mk-bg: #f8fafc;
      --mk-text: #0f172a;
      --mk-card-radius: 16px;
      --mk-pill-radius: 50rem;
      --mk-shadow: 0 4px 16px rgba(37, 99, 235, 0.08);
    }
    * { font-family: 'Inter', system-ui, -apple-system, sans-serif; }
    body { background-color: var(--mk-bg); color: var(--mk-text); font-size: 0.95rem; line-height: 1.6; }
    
    /* 波浪分割 */
    .wave-divider { position: relative; width: 100%; height: 60px; }
    .wave-divider::before { content: ""; position: absolute; left: 0; right: 0; top: 0; bottom: 0; background: radial-gradient(circle at 10px -5px, transparent 12px, #ffffff 13px); background-size: 25px 25px; transform: skewY(-1deg); }

    /* 布局: 左侧固定侧栏 + 右侧内容 */
    .layout-sidebar { display: flex; gap: 24px; align-items: flex-start; }
    .left-rail { flex: 0 0 220px; position: sticky; top: 80px; z-index: 10; }
    .right-waterfall { flex: 1; min-width: 0; }
    
    /* 胶囊卡片 */
    .pill-card { background: #fff; border-radius: var(--mk-pill-radius); box-shadow: var(--mk-shadow); padding: 20px 24px; }
    .rounded-card { border-radius: var(--mk-card-radius); background: #fff; box-shadow: var(--mk-shadow); }
    
    /* 导航胶囊 */
    .navbar-mk { background: rgba(255,255,255,0.8); backdrop-filter: blur(10px); border-bottom: 1px solid rgba(37,99,235,0.08); }
    .nav-pill-link { background: #fff; border-radius: var(--mk-pill-radius); padding: 6px 16px !important; margin: 0 4px; font-weight: 500; transition: all 0.2s; }
    .nav-pill-link:hover { background: var(--mk-primary); color: #fff !important; }
    
    /* 打字机动画 */
    .typewriter h1 { display: inline-block; overflow: hidden; white-space: nowrap; border-right: 3px solid var(--mk-accent); animation: blinkCursor 0.8s step-end infinite; }
    @keyframes blinkCursor { 50% { border-color: transparent; } }

    /* 懒加载渐显 */
    img[data-src] { opacity: 0; transition: opacity 0.4s; background: #e2e8f0; }
    img.loaded { opacity: 1; }

    /* 卡片hover图片放大 */
    .zoom-card { overflow: hidden; }
    .zoom-card img { transition: transform 0.4s; }
    .zoom-card:hover img { transform: scale(1.05); }

    /* 返回顶部按钮 */
    #backTop { position: fixed; bottom: 30px; right: 30px; width: 46px; height: 46px; border-radius: 50%; background: var(--mk-primary); color: #fff; border: none; box-shadow: 0 6px 16px rgba(37,99,235,0.35); opacity: 0; visibility: hidden; transition: all 0.3s; z-index: 999; }
    #backTop.show { opacity: 1; visibility: visible; }

    /* 侧栏链接 */
    .left-rail a { text-decoration: none; color: var(--mk-text); display: block; padding: 10px 16px; border-radius: 50rem; background: #fff; margin-bottom: 8px; font-weight: 500; border: 1px solid rgba(37,99,235,0.08); }
    .left-rail a:hover { background: var(--mk-primary); color: white; }

    /* 对比表格 */
    .compare-table td { padding: 12px 16px; border-bottom: 1px solid #f1f5f9; }
    .compare-table .col-feature { font-weight: 600; }
    
    /* 小字高密度 */
    .dense p, .dense li { font-size: 0.9rem; }
    .list-number { list-style: none; counter-reset: mk-counter; padding-left: 0; }
    .list-number li { counter-increment: mk-counter; margin-bottom: 12px; position: relative; padding-left: 36px; }
    .list-number li::before { content: counter(mk-counter); position: absolute; left: 0; top: 2px; background: var(--mk-primary); color: #fff; width: 24px; height: 24px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: 0.8rem; font-weight: 600; }
    
    /* 遮罩渐显 */
    .overlay-mask { position: relative; }
    .overlay-mask .mask-text { position: absolute; bottom: 0; left: 0; right: 0; background: linear-gradient(to top, rgba(15,23,42,0.8), transparent); color: #fff; padding: 24px 12px 12px; opacity: 0; transition: opacity 0.25s; }
    .overlay-mask:hover .mask-text { opacity: 1; }
    
    .footer-links a { color: #94a3b8; margin-right: 12px; text-decoration: none; }
    .footer-links a:hover { color: var(--mk-accent); }

/* --- 子页面追加 --- */
/* 关于页专属样式（少量补充） */
        .about-hero {
            background: linear-gradient(135deg, rgba(37,99,235,0.06) 0%, rgba(6,182,212,0.04) 100%);
            border-bottom: 1px solid rgba(37,99,235,0.1);
            padding: 5rem 0 3.5rem;
        }
.about-card {
            background: var(--mk-bg);
            border: 1px solid rgba(37,99,235,0.12);
            border-radius: var(--mk-card-radius);
            padding: 2rem;
            height: 100%;
            transition: all 0.3s ease;
        }
.about-card:hover {
            box-shadow: var(--mk-shadow);
            transform: translateY(-3px);
            border-color: rgba(37,99,235,0.25);
        }
.about-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 1.25rem;
            background: rgba(37,99,235,0.1);
            color: var(--mk-primary);
        }
.about-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--mk-primary);
            line-height: 1;
            margin-bottom: 0.5rem;
        }
.about-number-label {
            font-size: 0.9rem;
            color: rgba(15,23,42,0.6);
            font-weight: 500;
        }
.about-section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--mk-text);
            margin-bottom: 1.5rem;
        }
.about-section-title .accent {
            color: var(--mk-accent);
        }
.about-text {
            color: rgba(15,23,42,0.75);
            line-height: 1.8;
            font-size: 1.02rem;
        }
.about-highlight {
            background: linear-gradient(120deg, rgba(37,99,235,0.08) 0%, rgba(6,182,212,0.08) 100%);
            border-left: 4px solid var(--mk-primary);
            padding: 1.25rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
        }
.about-highlight p {
            margin-bottom: 0;
            color: var(--mk-text);
            font-weight: 500;
        }
.stats-row {
            border-top: 1px solid rgba(37,99,235,0.08);
            border-bottom: 1px solid rgba(37,99,235,0.08);
            padding: 2.5rem 0;
            margin: 2rem 0;
        }
.timeline-item {
            position: relative;
            padding-left: 2rem;
            padding-bottom: 2rem;
        }
.timeline-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0.4rem;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--mk-primary);
            box-shadow: 0 0 0 4px rgba(37,99,235,0.15);
        }
.timeline-item::after {
            content: '';
            position: absolute;
            left: 5px;
            top: 1.4rem;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, rgba(37,99,235,0.3) 0%, transparent 100%);
        }
.timeline-item:last-child::after {
            display: none;
        }
.timeline-year {
            font-weight: 700;
            color: var(--mk-primary);
            font-size: 1.05rem;
            margin-bottom: 0.4rem;
        }
.timeline-desc {
            color: rgba(15,23,42,0.7);
            font-size: 0.95rem;
            line-height: 1.6;
        }
.value-tag {
            display: inline-block;
            background: rgba(6,182,212,0.1);
            color: var(--mk-accent);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 0.35rem 1rem;
            border-radius: var(--mk-pill-radius);
            margin-right: 0.5rem;
            margin-bottom: 0.5rem;
        }
.footer-note {
            color: rgba(15,23,42,0.5);
            font-size: 0.9rem;
        }

/* --- 子页面追加 --- */
/* 免责声明页专属小样式——仅补充本页需要的细节，不覆盖全局 */
        .disclaimer-section {
            background: #ffffff;
            border-radius: var(--mk-card-radius);
            padding: 2rem 2.5rem;
            margin-bottom: 1.5rem;
            box-shadow: var(--mk-shadow);
            border-left: 4px solid var(--mk-primary);
            transition: transform 0.2s ease;
        }
.disclaimer-section:hover {
            transform: translateY(-3px);
        }
.disclaimer-section h2 {
            font-weight: 700;
            color: var(--mk-primary);
            font-size: 1.4rem;
            margin-bottom: 1.2rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
.disclaimer-section h2 i {
            color: var(--mk-accent);
            font-size: 1.2rem;
        }
.disclaimer-section p, .disclaimer-section li {
            color: var(--mk-text);
            line-height: 1.8;
            font-size: 0.98rem;
        }
.disclaimer-section ul {
            padding-left: 1.2rem;
        }
.disclaimer-section li {
            margin-bottom: 0.5rem;
        }
.disclaimer-highlight-box {
            background: linear-gradient(135deg, rgba(37,99,235,0.06), rgba(6,182,212,0.06));
            border: 1px solid rgba(37,99,235,0.15);
            border-radius: 12px;
            padding: 1.5rem;
            margin-top: 1rem;
            margin-bottom: 1rem;
        }
.disclaimer-highlight-box strong {
            color: var(--mk-primary);
        }
.disclaimer-meta-info {
            font-size: 0.9rem;
            color: #64748b;
            border-bottom: 1px solid #e2e8f0;
            padding-bottom: 1rem;
            margin-bottom: 1.5rem;
        }
.disclaimer-meta-info span {
            margin-right: 1.5rem;
        }
.disclaimer-meta-info i {
            margin-right: 0.3rem;
            color: var(--mk-accent);
        }
.updated-badge {
            background: rgba(6,182,212,0.1);
            color: var(--mk-accent);
            padding: 0.2rem 0.8rem;
            border-radius: var(--mk-pill-radius);
            font-size: 0.8rem;
            font-weight: 600;
        }
.back-home-link {
            color: var(--mk-primary);
            text-decoration: none;
            font-weight: 600;
            transition: color 0.2s;
        }
.back-home-link:hover {
            color: var(--mk-accent);
        }

/* --- 子页面追加 --- */
.guide-hero { background: linear-gradient(135deg, var(--mk-primary) 0%, var(--mk-accent) 100%); border-radius: var(--mk-card-radius); padding: 3rem 2rem; color: #fff; margin-bottom: 2rem; }
.guide-step-card { background: var(--mk-bg); border-radius: var(--mk-card-radius); padding: 1.5rem; height: 100%; box-shadow: var(--mk-shadow); transition: transform .3s; }
.guide-step-card:hover { transform: translateY(-4px); }
.guide-step-number { font-size: 2.5rem; font-weight: 800; color: var(--mk-primary); opacity: .2; line-height: 1; }
.guide-tip { background: #ecfdf5; border-left: 4px solid #10b981; padding: 1rem 1.25rem; border-radius: 0 var(--mk-card-radius) var(--mk-card-radius) 0; margin: 1rem 0; }
.guide-faq-item { background: var(--mk-bg); border-radius: var(--mk-card-radius); padding: 1.25rem 1.5rem; margin-bottom: 1rem; box-shadow: var(--mk-shadow); }
.guide-faq-q { font-weight: 700; color: var(--mk-primary); margin-bottom: .5rem; }
.guide-faq-a { color: var(--mk-text); opacity: .85; line-height: 1.7; }
.guide-section-title { color: var(--mk-primary); font-weight: 800; margin-bottom: 1.5rem; }
.guide-section-title i { color: var(--mk-accent); margin-right: .5rem; }
.guide-content { max-width: 900px; margin: 0 auto; }
.guide-callout { background: var(--mk-primary); color: #fff; border-radius: var(--mk-card-radius); padding: 1.5rem 2rem; text-align: center; }
.guide-callout a { color: #fff; text-decoration: underline; font-weight: 600; }

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.table { color:#0f172a !important; border-color:rgba(0,0,0,.12) !important; --bs-table-bg:transparent !important; --bs-table-color:#0f172a !important; }
.accordion-item { background:rgba(0,0,0,.03) !important; color:#0f172a !important; border-color:rgba(0,0,0,.12) !important; }
.accordion-button { background:rgba(0,0,0,.03) !important; color:#0f172a !important; }
.accordion-body { background:transparent !important; color:#0f172a !important; }
.accordion-header { background:transparent !important; }