/* =====================================================================
   theme-light · 挺对网亮色聚合主题
   设计基调：纯白分层 + 品牌绿 #0e8f6f + 琥珀点缀；与 theme-tingdui 的
   暗色 aurora 体系（sl-/nx-）完全隔离，词表统一 lt-*。
   章节：0 令牌 1 基座 2 按钮/徽章 3 页头 4 页脚 5 Hero/数据条
   6 聚合三件套 7 列表门户 8 详情落地页 9 富文本 10 服务页组件
   11 首页 12 关于 13 联系/表单 14 单页/CTA 15 模板页契约类 16 响应式
   ===================================================================== */

/* ---------- 0. 设计令牌 ---------- */
:root {
    --lt-bg: #f6f8fc;
    --lt-surface: #ffffff;
    --lt-surface-soft: #fbfcfe;
    --lt-tint: #eef7f3;
    --lt-tint-strong: #dcf1e8;
    --lt-amber-tint: #fdf6e9;
    --lt-ink: #0f1c2f;
    --lt-ink-soft: #42536b;
    --lt-muted: #64748b;
    --lt-faint: #94a3b8;
    --lt-line: #e4e9f2;
    --lt-line-strong: #cfd8e5;
    --lt-brand: #0e8f6f;
    --lt-brand-deep: #0a6e55;
    --lt-brand-ink: #074b3a;
    --lt-amber: #b45309;
    --lt-amber-soft: #f59e0b;
    --lt-danger: #b42318;
    --lt-radius: 14px;
    --lt-radius-lg: 20px;
    --lt-radius-pill: 999px;
    --lt-shadow-sm: 0 1px 2px rgba(15, 28, 47, .05), 0 2px 8px rgba(15, 28, 47, .05);
    --lt-shadow-md: 0 10px 28px -12px rgba(15, 28, 47, .16);
    --lt-shadow-lg: 0 24px 56px -20px rgba(10, 110, 85, .22);
    --lt-shell: 1180px;
    --lt-header-h: 68px;
    --lt-font: "PingFang SC", "Microsoft YaHei", "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
    --lt-mono: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, monospace;
}

/* ---------- 1. 基座 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--lt-header-h) + 16px); }
body.lt-body {
    margin: 0;
    font-family: var(--lt-font);
    font-size: 16px;
    line-height: 1.7;
    color: var(--lt-ink);
    background: var(--lt-bg);
    -webkit-font-smoothing: antialiased;
}
.lt-body img { max-width: 100%; height: auto; }
/* 用裸 `a` 而非 `.lt-body a`：特异度 (0,0,1) 低于所有按钮与卡片类规则，
   避免绿色链接色盖掉按钮/卡片的自有文字色（暗字压深底 = 「配色区别不明显」的来源）。 */
a { color: var(--lt-brand-deep); text-decoration: none; }
a:hover { color: var(--lt-brand); }
.lt-body h1, .lt-body h2, .lt-body h3, .lt-body h4 { line-height: 1.3; color: var(--lt-ink); margin: 0 0 .5em; }
.lt-body p { margin: 0 0 1em; }
.lt-shell { max-width: var(--lt-shell); margin: 0 auto; padding: 0 24px; }
.lt-shell-narrow { max-width: 860px; }
.lt-page { display: block; }
.lt-skip {
    position: fixed; left: 16px; top: -64px; z-index: 100;
    background: var(--lt-brand); color: #fff; padding: 10px 18px;
    border-radius: 0 0 12px 12px; transition: top .2s ease;
}
.lt-skip:focus { top: 0; color: #fff; }

/* ---------- 2. 按钮 / 徽章 /  kicker ---------- */
.lt-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 24px; border: 1px solid transparent; border-radius: var(--lt-radius-pill);
    font-size: 15px; font-weight: 600; line-height: 1.4; cursor: pointer;
    transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease, border-color .15s ease;
    white-space: nowrap;
}
.lt-btn:hover { transform: translateY(-1px); }
.lt-btn-primary {
    background: linear-gradient(135deg, var(--lt-brand) 0%, var(--lt-brand-deep) 100%);
    color: #fff; box-shadow: 0 8px 20px -8px rgba(14, 143, 111, .5);
}
.lt-btn-primary:hover { color: #fff; box-shadow: 0 12px 26px -8px rgba(14, 143, 111, .6); }
.lt-btn-ghost { background: var(--lt-surface); color: var(--lt-ink); border-color: var(--lt-line-strong); box-shadow: var(--lt-shadow-sm); }
.lt-btn-ghost:hover { color: var(--lt-brand-deep); border-color: var(--lt-brand); }
.lt-btn-outline { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .55); }
.lt-btn-outline:hover { background: rgba(255, 255, 255, .12); color: #fff; border-color: #fff; }
.lt-btn-white { background: #fff; color: var(--lt-brand-deep); box-shadow: var(--lt-shadow-md); }
.lt-btn-white:hover { color: var(--lt-brand); }
.lt-btn-sm { padding: 9px 18px; font-size: 14px; }
.lt-btn-block { display: flex; width: 100%; }
.lt-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--lt-tint); color: var(--lt-brand-ink);
    border: 1px solid var(--lt-tint-strong); border-radius: var(--lt-radius-pill);
    padding: 6px 14px; font-size: 13px; font-weight: 600; margin-bottom: 14px;
}
.lt-badge > i { width: 7px; height: 7px; border-radius: 50%; background: var(--lt-brand); box-shadow: 0 0 0 3px rgba(14, 143, 111, .18); }
.lt-grad {
    font-style: normal;
    background: linear-gradient(100deg, var(--lt-brand) 10%, #34c49a 55%, var(--lt-amber-soft) 100%);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent; color: transparent;
}
.lt-agg-kicker {
    display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .12em;
    color: var(--lt-brand-deep); margin-bottom: 8px;
}
.lt-text-link { font-weight: 600; color: var(--lt-brand-deep); }
.lt-text-link:hover { color: var(--lt-brand); }

/* ---------- 3. 页头 ---------- */
.lt-header {
    position: sticky; top: 0; z-index: 60;
    background: rgba(255, 255, 255, .88);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: border-color .2s ease, box-shadow .2s ease;
}
.lt-header[data-scrolled="true"] { border-bottom-color: var(--lt-line); box-shadow: var(--lt-shadow-sm); }
.lt-header-inner { display: flex; align-items: center; gap: 22px; height: var(--lt-header-h); }
.lt-brand { display: inline-flex; align-items: center; gap: 10px; flex: none; }
.lt-brand-mark {
    width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center;
    background: linear-gradient(135deg, var(--lt-brand) 0%, var(--lt-brand-deep) 100%);
    color: #fff; font-weight: 700; font-size: 16px;
}
.lt-brand-name { font-weight: 700; font-size: 18px; color: var(--lt-ink); }
.lt-nav { display: flex; align-items: center; gap: 4px; margin-right: auto; }
.lt-nav > a, .lt-nav-trigger {
    display: inline-block; padding: 8px 14px; border-radius: 10px;
    font-size: 15px; font-weight: 500; color: var(--lt-ink-soft);
}
.lt-nav > a:hover, .lt-nav-trigger:hover { color: var(--lt-brand-deep); background: var(--lt-tint); }
.lt-nav-item { position: relative; }
.lt-nav-caret { font-size: 11px; margin-left: 4px; color: var(--lt-faint); }
.lt-nav-sub {
    position: absolute; top: calc(100% + 10px); left: 0; min-width: 190px;
    display: none; flex-direction: column; gap: 2px; padding: 8px;
    background: var(--lt-surface); border: 1px solid var(--lt-line); border-radius: 14px;
    box-shadow: var(--lt-shadow-md);
}
.lt-nav-item:hover .lt-nav-sub, .lt-nav-item:focus-within .lt-nav-sub,
.lt-header[data-nav="open"] .lt-nav-item.is-open .lt-nav-sub { display: flex; }
.lt-nav-sub a { padding: 8px 12px; border-radius: 9px; font-size: 14px; color: var(--lt-ink-soft); }
.lt-nav-sub a:hover { background: var(--lt-tint); color: var(--lt-brand-deep); }
.lt-header-cta { display: flex; align-items: center; gap: 14px; flex: none; }
.lt-header-phone { font-size: 14px; font-weight: 700; color: var(--lt-ink); display: inline-flex; gap: 6px; align-items: center; }
.lt-header-phone:hover { color: var(--lt-brand-deep); }
.lt-nav-toggle { display: none; }

/* ---------- 4. 页脚 ---------- */
.lt-footer { margin-top: 72px; background: var(--lt-surface); border-top: 1px solid var(--lt-line); padding: 52px 0 24px; color: var(--lt-ink-soft); font-size: 14px; }
.lt-footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.1fr; gap: 36px; }
.lt-footer-brand strong { font-size: 18px; color: var(--lt-ink); display: block; margin-bottom: 10px; }
.lt-footer-brand p { color: var(--lt-muted); margin-bottom: 14px; }
.lt-footer-tel { display: inline-block; font-weight: 700; font-size: 16px; color: var(--lt-brand-deep); }
.lt-footer-col h4 { font-size: 15px; color: var(--lt-ink); margin-bottom: 14px; }
.lt-footer-col a, .lt-footer-col span { display: block; padding: 3px 0; color: var(--lt-muted); }
.lt-footer-col a:hover { color: var(--lt-brand-deep); }
.lt-footer-purpose { line-height: 1.6; }
.lt-friend-links { margin-top: 32px; padding-top: 18px; border-top: 1px dashed var(--lt-line); display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; }
.lt-friend-links > span { font-weight: 700; color: var(--lt-faint); font-size: 13px; }
.lt-friend-links a { color: var(--lt-muted); font-size: 13px; }
.lt-friend-links a:hover { color: var(--lt-brand-deep); }
.lt-footer-bottom {
    margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--lt-line);
    display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between; color: var(--lt-faint); font-size: 13px;
}
.lt-footer-legal { display: inline-flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.lt-footer-legal a { color: var(--lt-faint); }
.lt-footer-legal a:hover { color: var(--lt-brand-deep); }

/* ---------- 5. Hero / 面包屑 / 数据条 ---------- */
.lt-hero {
    position: relative; overflow: hidden;
    background: linear-gradient(180deg, #ffffff 0%, var(--lt-bg) 100%);
    padding: 52px 0 56px;
}
.lt-hero-bg {
    position: absolute; inset: 0; pointer-events: none;
    background:
        radial-gradient(560px 300px at 12% 0%, rgba(14, 143, 111, .10), transparent 70%),
        radial-gradient(520px 320px at 92% 12%, rgba(245, 158, 11, .07), transparent 70%),
        linear-gradient(var(--lt-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--lt-line) 1px, transparent 1px);
    background-size: auto, auto, 44px 44px, 44px 44px;
    mask-image: linear-gradient(180deg, #000 0%, transparent 96%);
    -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 96%);
    opacity: .55;
}
.lt-hero > .lt-shell { position: relative; }
.lt-crumb { font-size: 13px; color: var(--lt-muted); margin-bottom: 18px; display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.lt-crumb a { color: var(--lt-muted); }
.lt-crumb a:hover { color: var(--lt-brand-deep); }
.lt-crumb em { font-style: normal; color: var(--lt-ink-soft); max-width: 420px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lt-crumb span { color: var(--lt-faint); }
.lt-hero-title { font-size: clamp(30px, 4.4vw, 46px); font-weight: 800; letter-spacing: -.01em; margin: 0 0 16px; max-width: 820px; }
.lt-hero-lead { font-size: 17px; color: var(--lt-ink-soft); max-width: 720px; margin-bottom: 22px; }
.lt-hero-btns { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 6px; }
.lt-hero-stats { list-style: none; display: flex; flex-wrap: wrap; gap: 10px; padding: 0; margin: 22px 0 0; }
.lt-hero-stats li {
    display: flex; align-items: baseline; gap: 7px;
    background: var(--lt-surface); border: 1px solid var(--lt-line);
    border-radius: var(--lt-radius-pill); padding: 8px 16px; box-shadow: var(--lt-shadow-sm);
}
.lt-hero-stats b { font-size: 17px; font-weight: 800; color: var(--lt-brand-deep); }
.lt-hero-stats span { font-size: 13px; color: var(--lt-muted); }
.lt-hero-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.lt-hero-tags a {
    font-size: 13px; color: var(--lt-ink-soft); background: var(--lt-surface);
    border: 1px solid var(--lt-line); border-radius: var(--lt-radius-pill); padding: 4px 12px;
}
.lt-hero-tags a:hover { color: var(--lt-brand-deep); border-color: var(--lt-brand); background: var(--lt-tint); }
.lt-stats { padding: 8px 0; }
.lt-stats-row {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
    background: var(--lt-surface); border: 1px solid var(--lt-line);
    border-radius: var(--lt-radius-lg); box-shadow: var(--lt-shadow-sm);
    padding: 22px 26px; margin-top: -34px; position: relative; z-index: 2;
}
.lt-stat { text-align: center; border-right: 1px solid var(--lt-line); }
.lt-stat:last-child { border-right: 0; }
.lt-stat b { display: block; font-size: 30px; font-weight: 800; color: var(--lt-ink); line-height: 1.2; }
.lt-stat b em { font-style: normal; font-size: 16px; color: var(--lt-brand-deep); margin-left: 2px; }
.lt-stat span { font-size: 13px; color: var(--lt-muted); }

/* ---------- 6. 聚合三件套（服务目录 / 站点导览 / FAQ）---------- */
.lt-agg { padding: 56px 0 8px; }
.lt-agg-alt { background: var(--lt-surface); border-top: 1px solid var(--lt-line); border-bottom: 1px solid var(--lt-line); margin-top: 24px; padding: 56px 0; }
.lt-agg-head { text-align: center; max-width: 660px; margin: 0 auto 30px; }
.lt-agg-head h2 { font-size: clamp(24px, 3vw, 32px); font-weight: 800; margin: 0 0 10px; }
.lt-agg-head p { color: var(--lt-muted); margin: 0; }
.lt-agg-head-left { text-align: left; margin: 0 0 22px; max-width: none; }
.lt-agg-more { text-align: center; margin: 22px 0 0; }
.lt-svc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.lt-svc-card {
    display: flex; flex-direction: column; gap: 8px;
    background: var(--lt-surface); border: 1px solid var(--lt-line);
    border-radius: var(--lt-radius); padding: 18px; box-shadow: var(--lt-shadow-sm);
    color: var(--lt-ink); transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.lt-svc-card:hover { transform: translateY(-3px); box-shadow: var(--lt-shadow-md); border-color: var(--lt-tint-strong); color: var(--lt-ink); }
.lt-svc-tag { align-self: flex-start; font-size: 12px; font-weight: 700; color: var(--lt-brand-ink); background: var(--lt-tint); border-radius: 6px; padding: 2px 8px; }
.lt-svc-card b { font-size: 16px; line-height: 1.4; }
.lt-svc-card p { font-size: 13px; color: var(--lt-muted); margin: 0; flex: 1; }
.lt-svc-card em { font-style: normal; font-size: 13px; font-weight: 700; color: var(--lt-brand-deep); }
.lt-navhub { list-style: none; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; padding: 0; margin: 0; }
.lt-navhub a {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--lt-surface); border: 1px solid var(--lt-line);
    border-radius: var(--lt-radius-pill); padding: 8px 16px; font-size: 14px;
    color: var(--lt-ink-soft); transition: border-color .15s ease, color .15s ease, background .15s ease;
}
.lt-navhub a:hover { border-color: var(--lt-brand); color: var(--lt-brand-deep); background: var(--lt-tint); }
.lt-navhub em { font-style: normal; font-size: 12px; color: var(--lt-faint); }
.lt-faq-list { display: flex; flex-direction: column; gap: 10px; }
.lt-faq-item {
    background: var(--lt-surface); border: 1px solid var(--lt-line);
    border-radius: var(--lt-radius); overflow: hidden; transition: border-color .15s ease;
}
.lt-faq-item[open] { border-color: var(--lt-tint-strong); box-shadow: var(--lt-shadow-sm); }
.lt-faq-item summary {
    display: flex; align-items: center; justify-content: space-between; gap: 14px;
    list-style: none; cursor: pointer; padding: 15px 18px; font-weight: 600; font-size: 15px; color: var(--lt-ink);
}
.lt-faq-item summary::-webkit-details-marker { display: none; }
.lt-faq-item summary:hover { color: var(--lt-brand-deep); }
.lt-faq-ic { position: relative; flex: none; width: 20px; height: 20px; border-radius: 50%; background: var(--lt-tint); }
.lt-faq-ic::before, .lt-faq-ic::after {
    content: ""; position: absolute; left: 50%; top: 50%; background: var(--lt-brand-deep);
    transform: translate(-50%, -50%); transition: transform .2s ease;
}
.lt-faq-ic::before { width: 10px; height: 2px; }
.lt-faq-ic::after { width: 2px; height: 10px; }
.lt-faq-item[open] .lt-faq-ic::after { transform: translate(-50%, -50%) rotate(90deg); opacity: 0; }
.lt-faq-a { padding: 0 18px 16px; color: var(--lt-ink-soft); font-size: 14.5px; margin: 0; }

/* ---------- 7. 列表门户（聚合门户版式）---------- */
.lt-hubnav { padding: 26px 0 0; }
.lt-hubnav .lt-shell {
    background: var(--lt-surface); border: 1px solid var(--lt-line);
    border-radius: var(--lt-radius-lg); box-shadow: var(--lt-shadow-sm); padding: 18px 22px;
}
.lt-hubnav-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; padding: 6px 0; }
.lt-hubnav-row + .lt-hubnav-row { border-top: 1px dashed var(--lt-line); }
.lt-hubnav-label { font-size: 12px; font-weight: 800; letter-spacing: .1em; color: var(--lt-faint); margin-right: 6px; flex: none; }
.lt-hubnav-current {
    font-size: 13.5px; font-weight: 700; color: #fff; flex: none;
    background: linear-gradient(135deg, var(--lt-brand), var(--lt-brand-deep));
    border-radius: var(--lt-radius-pill); padding: 5px 14px;
}
.lt-hubnav-pill {
    font-size: 13.5px; color: var(--lt-ink-soft); background: var(--lt-bg);
    border: 1px solid var(--lt-line); border-radius: var(--lt-radius-pill); padding: 5px 13px;
}
.lt-hubnav-pill:hover { color: var(--lt-brand-deep); border-color: var(--lt-brand); background: var(--lt-tint); }
.lt-hubnav-tag {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 13px; color: var(--lt-muted); border: 1px dashed var(--lt-line-strong);
    border-radius: var(--lt-radius-pill); padding: 4px 12px;
}
.lt-hubnav-tag:hover { color: var(--lt-brand-deep); border-color: var(--lt-brand); border-style: solid; }
.lt-hubnav-tag em { font-style: normal; font-size: 11px; background: var(--lt-tint); color: var(--lt-brand-ink); border-radius: 8px; padding: 1px 7px; }
.lt-featured { padding: 26px 0 0; }
.lt-featured-card {
    display: grid; grid-template-columns: minmax(280px, 46%) 1fr; gap: 0;
    background: var(--lt-surface); border: 1px solid var(--lt-line);
    border-radius: var(--lt-radius-lg); overflow: hidden; box-shadow: var(--lt-shadow-sm);
    transition: transform .18s ease, box-shadow .18s ease; color: var(--lt-ink);
}
.lt-featured-card:hover { transform: translateY(-3px); box-shadow: var(--lt-shadow-md); color: var(--lt-ink); }
.lt-featured-thumb { display: block; }
.lt-featured-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; min-height: 230px; }
.lt-featured-body { padding: 26px 30px; display: flex; flex-direction: column; justify-content: center; }
.lt-featured-tag { font-size: 13px; font-weight: 800; color: var(--lt-amber); margin-bottom: 8px; }
.lt-featured-body h2 { font-size: clamp(20px, 2.4vw, 26px); margin: 0 0 10px; }
.lt-featured-body p { color: var(--lt-muted); font-size: 14.5px; margin-bottom: 14px; }
.lt-featured-meta { display: flex; gap: 16px; align-items: center; font-size: 13px; color: var(--lt-faint); }
.lt-featured-meta em { font-style: normal; font-weight: 700; color: var(--lt-brand-deep); margin-left: auto; }
.lt-hub { padding: 40px 0 0; }
.lt-hub-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 28px; align-items: start; }
.lt-list-head { display: flex; align-items: baseline; justify-content: space-between; gap: 14px; margin-bottom: 16px; }
.lt-list-head h2 { font-size: 22px; margin: 0; }
.lt-list-head span { font-size: 13px; color: var(--lt-faint); flex: none; }
.lt-row { background: var(--lt-surface); border: 1px solid var(--lt-line); border-radius: var(--lt-radius); margin-bottom: 14px; transition: box-shadow .15s ease, border-color .15s ease; }
.lt-row:hover { box-shadow: var(--lt-shadow-md); border-color: var(--lt-tint-strong); }
.lt-row > a { display: flex; gap: 18px; padding: 16px; color: var(--lt-ink); }
.lt-row > a:hover { color: var(--lt-ink); }
.lt-row-thumb { flex: none; width: 200px; border-radius: 10px; overflow: hidden; }
.lt-row-thumb img { width: 100%; height: 128px; object-fit: cover; display: block; }
.lt-row-body { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.lt-row-kicker { font-size: 12px; font-weight: 700; color: var(--lt-brand-deep); margin: 0; }
.lt-row-body h3 { font-size: 17.5px; margin: 0 0 2px; }
.lt-row-body > p { font-size: 14px; color: var(--lt-muted); margin: 0 0 6px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.lt-row-meta { display: flex; gap: 14px; font-size: 12.5px; color: var(--lt-faint); margin-top: auto; }
.lt-row-meta em { font-style: normal; font-weight: 700; color: var(--lt-brand-deep); margin-left: auto; }
.lt-pagination { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin: 26px 0 6px; }
/* 分页按钮独立命名 .lt-pager：曾复用 .lt-page，与页面根容器（.lt-page{display:block}）
   同特异度后者胜，整页根容器被改成 inline-flex 导致频道页/详情页全线错乱。 */
.lt-pager {
    min-width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center;
    background: var(--lt-surface); border: 1px solid var(--lt-line); border-radius: 10px;
    font-size: 14px; color: var(--lt-ink-soft); padding: 0 12px;
}
a.lt-pager:hover { border-color: var(--lt-brand); color: var(--lt-brand-deep); }
.lt-pager.is-current { background: var(--lt-brand); border-color: var(--lt-brand); color: #fff; font-weight: 700; }
.lt-pager.is-disabled, .lt-pager.is-dots { color: var(--lt-faint); background: transparent; border-style: dashed; }
.lt-hub-side .lt-side-sticky { position: sticky; top: calc(var(--lt-header-h) + 16px); display: flex; flex-direction: column; gap: 16px; }
.lt-panel { background: var(--lt-surface); border: 1px solid var(--lt-line); border-radius: var(--lt-radius-lg); padding: 20px; box-shadow: var(--lt-shadow-sm); }
.lt-panel-title { display: block; font-size: 15px; font-weight: 800; margin-bottom: 12px; }
.lt-side-svc { display: flex; justify-content: space-between; gap: 10px; padding: 9px 0; border-bottom: 1px dashed var(--lt-line); font-size: 14.5px; color: var(--lt-ink); }
.lt-side-svc:last-of-type { border-bottom: 0; }
.lt-side-svc:hover { color: var(--lt-brand-deep); }
.lt-side-svc em { font-style: normal; font-size: 12.5px; color: var(--lt-brand); font-weight: 700; }
.lt-side-more { display: block; margin-top: 12px; font-size: 13px; font-weight: 600; color: var(--lt-brand-deep); }
.lt-side-item { display: block; padding: 8px 0; border-bottom: 1px dashed var(--lt-line); font-size: 14px; color: var(--lt-ink-soft); }
.lt-side-item:last-child { border-bottom: 0; }
.lt-side-item:hover { color: var(--lt-brand-deep); }
.lt-side-case { display: flex; gap: 10px; align-items: center; padding: 8px 0; border-bottom: 1px dashed var(--lt-line); font-size: 14px; color: var(--lt-ink-soft); }
.lt-side-case:last-of-type { border-bottom: 0; }
.lt-side-case-thumb { flex: none; width: 64px; height: 44px; border-radius: 8px; overflow: hidden; }
.lt-side-case-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.lt-side-rel { display: block; padding: 9px 0; border-bottom: 1px dashed var(--lt-line); font-size: 14px; line-height: 1.5; color: var(--lt-ink-soft); }
.lt-side-rel:last-of-type { border-bottom: 0; }
.lt-side-rel:hover { color: var(--lt-brand-deep); }
.lt-panel-cta { background: linear-gradient(150deg, var(--lt-brand-ink) 0%, var(--lt-brand-deep) 100%); border: 0; color: #eafff8; }
.lt-panel-cta .lt-panel-title { color: #fff; }
.lt-panel-cta p { font-size: 13.5px; opacity: .88; margin-bottom: 14px; }
.lt-panel-cta .lt-btn-white { color: var(--lt-brand-ink); }
.lt-empty {
    background: var(--lt-surface); border: 1px dashed var(--lt-line-strong); border-radius: var(--lt-radius);
    padding: 40px 24px; text-align: center; color: var(--lt-muted);
}
.lt-empty strong { display: block; font-size: 17px; color: var(--lt-ink); margin-bottom: 6px; }
/* 服务栏目：亮色矩阵卡网格 */
.lt-matrix { padding: 30px 0 0; }
.lt-matrix-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.lt-matrix-card {
    display: flex; flex-direction: column; background: var(--lt-surface);
    border: 1px solid var(--lt-line); border-radius: var(--lt-radius-lg); overflow: hidden;
    box-shadow: var(--lt-shadow-sm); color: var(--lt-ink); transition: transform .16s ease, box-shadow .16s ease;
}
.lt-matrix-card:hover { transform: translateY(-3px); box-shadow: var(--lt-shadow-md); color: var(--lt-ink); }
.lt-matrix-thumb { display: block; }
.lt-matrix-thumb img { width: 100%; height: 150px; object-fit: cover; display: block; }
.lt-matrix-body { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 6px; }
.lt-matrix-body b { font-size: 16px; }
.lt-matrix-body p { font-size: 13px; color: var(--lt-muted); margin: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.lt-matrix-body i { font-style: normal; font-size: 13px; font-weight: 800; color: var(--lt-amber); margin-top: auto; }
.lt-matrix-body em { font-style: normal; font-size: 13px; font-weight: 700; color: var(--lt-brand-deep); }

/* ---------- 8. 详情页（聚合落地页版式）---------- */
.lt-doc-hero { background: linear-gradient(180deg, #ffffff 0%, var(--lt-bg) 100%); border-bottom: 1px solid var(--lt-line); padding: 40px 0 44px; }
.lt-doc-hero-inner { position: relative; }
.lt-doc-title { font-size: clamp(26px, 3.6vw, 38px); font-weight: 800; margin: 0 0 12px; max-width: 860px; }
.lt-doc-meta { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; font-size: 13.5px; color: var(--lt-muted); margin-bottom: 18px; }
.lt-answer {
    background: var(--lt-surface); border: 1px solid var(--lt-tint-strong); border-left: 4px solid var(--lt-brand);
    border-radius: var(--lt-radius); padding: 16px 20px; margin: 0 0 20px; max-width: 860px;
    box-shadow: var(--lt-shadow-sm);
}
.lt-answer-label { font-size: 12px; font-weight: 800; letter-spacing: .14em; color: var(--lt-brand); margin: 0 0 6px; }
.lt-answer p:not(.lt-answer-label) { margin: 0; font-size: 15.5px; color: var(--lt-ink); line-height: 1.75; }
.lt-doc { padding: 34px 0 0; }
.lt-doc-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 28px; align-items: start; }
.lt-doc-main { min-width: 0; }
.lt-article { background: var(--lt-surface); border: 1px solid var(--lt-line); border-radius: var(--lt-radius-lg); box-shadow: var(--lt-shadow-sm); padding: clamp(22px, 3.4vw, 40px); }
.lt-takeaways { background: var(--lt-amber-tint); border: 1px solid #f2e3c2; border-radius: var(--lt-radius); padding: 18px 22px; margin-bottom: 24px; }
.lt-takeaways h2 { font-size: 16px; margin: 0 0 10px; color: var(--lt-amber); }
.lt-takeaways ul { margin: 0; padding-left: 20px; }
.lt-takeaways li { font-size: 14.5px; color: var(--lt-ink-soft); margin-bottom: 6px; }
.lt-cover { margin: 0 0 26px; border-radius: var(--lt-radius); overflow: hidden; border: 1px solid var(--lt-line); }
.lt-cover img { width: 100%; display: block; max-height: 460px; object-fit: cover; }
.lt-toc-mobile { display: none; background: var(--lt-surface-soft); border: 1px solid var(--lt-line); border-radius: var(--lt-radius); padding: 14px 18px; margin-bottom: 24px; }
.lt-toc-mobile summary { font-weight: 700; font-size: 14px; cursor: pointer; color: var(--lt-ink); }
.lt-side { min-width: 0; }
.lt-side .lt-side-sticky { position: sticky; top: calc(var(--lt-header-h) + 16px); display: flex; flex-direction: column; gap: 16px; }
.lt-toc .lt-toc-list { display: flex; flex-direction: column; }
.lt-toc-link { display: block; padding: 6px 0; font-size: 13.5px; line-height: 1.55; color: var(--lt-ink-soft); border-bottom: 1px dashed var(--lt-line); }
.lt-toc-link:last-child { border-bottom: 0; }
.lt-toc-link.lt-toc-h3 { padding-left: 14px; font-size: 12.5px; color: var(--lt-muted); }
.lt-toc-link:hover, .lt-toc-link.is-active { color: var(--lt-brand-deep); }
.lt-toc-link.is-active { font-weight: 700; }
.lt-toc-mobile .lt-toc-list { display: flex; flex-direction: column; gap: 2px; margin-top: 10px; }
.lt-toc-mobile .lt-toc-list a { display: block; padding: 5px 0; font-size: 13.5px; color: var(--lt-ink-soft); }
.lt-toc-mobile .lt-toc-h3 { padding-left: 14px; }
.lt-consult p { font-size: 13.5px; color: var(--lt-ink-soft); margin-bottom: 12px; }
.lt-consult-phone { display: block; font-size: 14px; font-weight: 700; color: var(--lt-brand-deep); margin-bottom: 10px; }
.lt-article-foot { margin-top: 34px; padding-top: 22px; border-top: 1px solid var(--lt-line); display: flex; flex-direction: column; gap: 18px; }
.lt-share { display: flex; align-items: center; gap: 14px; }
.lt-foot-label { font-size: 13px; font-weight: 800; color: var(--lt-faint); letter-spacing: .1em; }
.lt-share-btns { display: flex; flex-wrap: wrap; gap: 8px; }
.lt-share-btns a { font-size: 13px; color: var(--lt-muted); border: 1px solid var(--lt-line); border-radius: var(--lt-radius-pill); padding: 4px 14px; }
.lt-share-btns a:hover { color: var(--lt-brand-deep); border-color: var(--lt-brand); }
.lt-author { display: flex; gap: 14px; align-items: flex-start; background: var(--lt-surface-soft); border: 1px solid var(--lt-line); border-radius: var(--lt-radius); padding: 16px 18px; }
.lt-author-avatar {
    flex: none; width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center;
    background: linear-gradient(135deg, var(--lt-brand), var(--lt-brand-deep)); color: #fff; font-weight: 800; font-size: 19px;
}
.lt-author strong { font-size: 15px; }
.lt-author p { font-size: 13px; color: var(--lt-muted); margin: 4px 0 0; }
.lt-topic-back {
    display: block; text-align: center; font-size: 14px; font-weight: 700;
    background: var(--lt-tint); border: 1px solid var(--lt-tint-strong); border-radius: var(--lt-radius);
    padding: 13px 18px; color: var(--lt-brand-ink);
}
.lt-topic-back:hover { background: var(--lt-tint-strong); color: var(--lt-brand-deep); }
.lt-postnav { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 22px; }
.lt-postnav a {
    background: var(--lt-surface); border: 1px solid var(--lt-line); border-radius: var(--lt-radius);
    padding: 14px 18px; display: flex; flex-direction: column; gap: 4px; color: var(--lt-ink);
}
.lt-postnav a:hover { border-color: var(--lt-brand); color: var(--lt-brand-deep); }
.lt-postnav span { font-size: 12px; color: var(--lt-faint); }
.lt-postnav b { font-size: 14.5px; font-weight: 600; line-height: 1.45; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.lt-postnav a:last-child { text-align: right; align-items: flex-end; }
.lt-related, .lt-hot { margin-top: 34px; }
.lt-rel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.lt-rel-card {
    display: flex; flex-direction: column; background: var(--lt-surface);
    border: 1px solid var(--lt-line); border-radius: var(--lt-radius); overflow: hidden;
    color: var(--lt-ink); transition: transform .15s ease, box-shadow .15s ease;
}
.lt-rel-card:hover { transform: translateY(-3px); box-shadow: var(--lt-shadow-md); color: var(--lt-ink); }
.lt-rel-thumb { display: block; }
.lt-rel-thumb img { width: 100%; height: 130px; object-fit: cover; display: block; }
.lt-rel-body { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 5px; }
.lt-rel-body time { font-size: 12px; color: var(--lt-faint); }
.lt-rel-body h3 { font-size: 15px; margin: 0; line-height: 1.45; }
.lt-rel-body p { font-size: 13px; color: var(--lt-muted); margin: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.lt-rel-body em { font-style: normal; font-size: 12.5px; font-weight: 700; color: var(--lt-brand-deep); margin-top: 4px; }
.lt-hot-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.lt-hot-card {
    display: flex; flex-direction: column; gap: 5px;
    background: var(--lt-surface); border: 1px solid var(--lt-line);
    border-radius: var(--lt-radius); padding: 15px 17px; color: var(--lt-ink);
}
.lt-hot-card:hover { border-color: var(--lt-brand); color: var(--lt-brand-deep); }
.lt-hot-card b { font-size: 14.5px; line-height: 1.45; }
.lt-hot-card p { font-size: 12.5px; color: var(--lt-muted); margin: 0; }
.lt-hot-card time { font-size: 12px; color: var(--lt-faint); margin-top: auto; }

/* ---------- 9. 富文本 lt-prose ---------- */
.lt-prose { font-size: 16.5px; color: var(--lt-ink-soft); }
.lt-prose h2 { font-size: 24px; font-weight: 800; color: var(--lt-ink); margin: 40px 0 14px; padding-left: 14px; border-left: 4px solid var(--lt-brand); scroll-margin-top: calc(var(--lt-header-h) + 16px); }
.lt-prose h3 { font-size: 19px; font-weight: 700; color: var(--lt-ink); margin: 28px 0 10px; scroll-margin-top: calc(var(--lt-header-h) + 16px); }
.lt-prose h4 { font-size: 16.5px; font-weight: 700; color: var(--lt-ink); margin: 22px 0 8px; }
.lt-prose p { margin: 0 0 1.15em; line-height: 1.85; }
.lt-prose a { color: var(--lt-brand-deep); font-weight: 600; border-bottom: 1px solid var(--lt-tint-strong); }
.lt-prose a:hover { border-bottom-color: var(--lt-brand); }
.lt-prose ul, .lt-prose ol { margin: 0 0 1.15em; padding-left: 1.5em; }
.lt-prose li { margin-bottom: .45em; line-height: 1.8; }
.lt-prose li::marker { color: var(--lt-brand); font-weight: 700; }
.lt-prose strong { color: var(--lt-ink); }
.lt-prose img { border-radius: var(--lt-radius); border: 1px solid var(--lt-line); margin: 10px 0; }
.lt-prose blockquote {
    margin: 22px 0; padding: 14px 20px; background: var(--lt-tint);
    border-left: 4px solid var(--lt-brand); border-radius: 0 var(--lt-radius) var(--lt-radius) 0;
    color: var(--lt-brand-ink); font-size: 15.5px;
}
.lt-prose blockquote p:last-child { margin-bottom: 0; }
.lt-prose code { font-family: var(--lt-mono); font-size: .88em; background: #eef2f7; border-radius: 6px; padding: 2px 7px; color: var(--lt-brand-ink); }
.lt-prose pre { font-family: var(--lt-mono); font-size: 13.5px; background: #0f1c2f; color: #dbe7f3; border-radius: var(--lt-radius); padding: 18px 20px; overflow-x: auto; margin: 0 0 1.3em; }
.lt-prose pre code { background: transparent; color: inherit; padding: 0; }
.lt-prose table { width: 100%; border-collapse: collapse; margin: 0 0 1.4em; font-size: 14.5px; }
.lt-prose th, .lt-prose td { border: 1px solid var(--lt-line); padding: 10px 14px; text-align: left; }
.lt-prose th { background: var(--lt-tint); color: var(--lt-brand-ink); font-weight: 700; }
.lt-prose tr:nth-child(even) td { background: var(--lt-surface-soft); }
.lt-prose hr { border: 0; border-top: 1px dashed var(--lt-line-strong); margin: 30px 0; }

/* ---------- 10. 服务页组件（交付清单 / 适用客户 / 流程 / CTA）---------- */
.lt-feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.lt-feat {
    display: flex; gap: 10px; align-items: flex-start;
    background: var(--lt-surface); border: 1px solid var(--lt-line);
    border-radius: var(--lt-radius); padding: 14px 16px;
}
.lt-feat-ic { flex: none; width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; background: var(--lt-tint); color: var(--lt-brand); font-size: 12px; font-weight: 800; }
.lt-feat p { font-size: 14px; margin: 3px 0 0; color: var(--lt-ink-soft); }
.lt-split { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; align-items: center; }
.lt-split-media img { width: 100%; border-radius: var(--lt-radius-lg); border: 1px solid var(--lt-line); box-shadow: var(--lt-shadow-md); display: block; }
.lt-fits { list-style: none; padding: 0; margin: 0 0 18px; display: flex; flex-direction: column; gap: 10px; }
.lt-fits li { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; color: var(--lt-ink-soft); }
.lt-fits i { flex: none; width: 8px; height: 8px; border-radius: 50%; background: var(--lt-brand); margin-top: 9px; }
/* 网格只作用于内层 .lt-flow-grid 与服务页的 <ol class="lt-flow">；
   首页 .lt-flow 是 section 容器，若也当 4 列网格会把唯一子元素 .lt-shell 挤成 1/4 宽 */
.lt-flow-grid, ol.lt-flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; list-style: none; padding: 0; margin: 0; counter-reset: none; }
.lt-flow-step {
    background: var(--lt-surface); border: 1px solid var(--lt-line);
    border-radius: var(--lt-radius-lg); padding: 20px; position: relative;
}
.lt-flow-step + .lt-flow-step::before {
    content: "→"; position: absolute; left: -16px; top: 50%; transform: translateY(-50%);
    color: var(--lt-muted); font-size: 14px; background: var(--lt-bg); padding: 2px;
}
.lt-flow-no { font-size: 22px; font-weight: 800; color: var(--lt-brand-deep); opacity: .9; margin-bottom: 8px; }
.lt-flow-step h4 { font-size: 15.5px; margin: 0 0 6px; }
.lt-flow-step p { font-size: 13.5px; color: var(--lt-muted); margin: 0; }
.lt-cta { padding: 52px 0 0; }
.lt-cta-card {
    position: relative; overflow: hidden; text-align: center;
    background: linear-gradient(140deg, var(--lt-brand-ink) 0%, var(--lt-brand-deep) 58%, var(--lt-brand) 100%);
    border-radius: var(--lt-radius-lg); padding: clamp(34px, 5vw, 54px) 28px; color: #fff;
    box-shadow: var(--lt-shadow-lg);
}
.lt-cta-card::before {
    content: ""; position: absolute; inset: 0; pointer-events: none;
    background: radial-gradient(420px 200px at 85% 0%, rgba(255, 255, 255, .14), transparent 70%);
}
.lt-cta-card h2 { color: #fff; font-size: clamp(22px, 3vw, 30px); margin: 0 0 10px; position: relative; }
.lt-cta-card .lt-agg-kicker { color: rgba(255, 255, 255, .75); }
.lt-cta-card p { color: rgba(255, 255, 255, .88); margin: 0 0 22px; position: relative; }
.lt-cta-btns { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; position: relative; }

/* ---------- 11. 首页 ---------- */
.lt-home-hero { padding: 64px 0 30px; }
.lt-home-hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: center; position: relative; }
.lt-home-hero-media img {
    width: 100%; border-radius: var(--lt-radius-lg); border: 1px solid var(--lt-line);
    box-shadow: var(--lt-shadow-lg); display: block; aspect-ratio: 4 / 3; object-fit: cover;
}
.lt-home-hero .lt-hero-title { max-width: 620px; }
.lt-home-hero .lt-stats-row { margin-top: 30px; }
.lt-bento, .lt-pricing, section.lt-flow { padding: 58px 0 6px; }
.lt-sec-head { text-align: center; margin: 0 auto 30px; max-width: 660px; }
.lt-sec-head h2 { font-size: clamp(24px, 3vw, 32px); font-weight: 800; margin: 0; }
.lt-sec-sub { color: var(--lt-muted); margin-top: 8px; }
.lt-bento-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.lt-bento-card {
    grid-column: span 2; display: flex; flex-direction: column; gap: 8px;
    background: var(--lt-surface); border: 1px solid var(--lt-line);
    border-radius: var(--lt-radius-lg); padding: 26px 28px; color: var(--lt-ink);
    transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}
.lt-bento-card:hover { transform: translateY(-4px); box-shadow: var(--lt-shadow-md); border-color: var(--lt-tint-strong); color: var(--lt-ink); }
.lt-bento-card.wide { grid-column: span 2; }
.lt-bento-card:not(.wide) { grid-column: span 1; }
.lt-bento-grid { grid-template-columns: repeat(4, 1fr); }
.lt-bento-card.accent { background: linear-gradient(140deg, var(--lt-brand-ink), var(--lt-brand-deep)); border: 0; color: #fff; }
.lt-bento-card.accent h3 { color: #fff; }
.lt-bento-card.accent p { color: rgba(255, 255, 255, .85); }
.lt-bento-card.accent .lt-bento-link { color: #a9e6d3; }
.lt-bento-ic { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; font-size: 20px; background: var(--lt-tint); color: var(--lt-brand-deep); }
.lt-bento-card.accent .lt-bento-ic { background: rgba(255, 255, 255, .14); color: #fff; }
.lt-bento-card h3 { font-size: 19px; margin: 6px 0 0; }
.lt-bento-card p { font-size: 14px; color: var(--lt-muted); margin: 0; flex: 1; }
.lt-bento-link { font-size: 13.5px; font-weight: 700; color: var(--lt-brand-deep); margin-top: 6px; }
.lt-price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; align-items: stretch; }
.lt-price-card {
    position: relative; display: flex; flex-direction: column; gap: 6px;
    background: var(--lt-surface); border: 1px solid var(--lt-line);
    border-radius: var(--lt-radius-lg); padding: 28px 26px; box-shadow: var(--lt-shadow-sm);
}
.lt-price-card.is-hot { border: 2px solid var(--lt-brand); box-shadow: var(--lt-shadow-lg); }
.lt-hot-tag {
    position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
    background: linear-gradient(120deg, var(--lt-brand), var(--lt-brand-deep)); color: #fff;
    font-size: 12px; font-weight: 700; border-radius: var(--lt-radius-pill); padding: 4px 14px; white-space: nowrap;
}
.lt-price-card h3 { font-size: 18px; margin: 0; }
.lt-price-desc { font-size: 13px; color: var(--lt-muted); margin: 0 0 8px; }
.lt-price-num { display: flex; align-items: baseline; gap: 6px; margin-bottom: 12px; }
.lt-price-num b { font-size: 38px; font-weight: 800; color: var(--lt-brand-deep); line-height: 1; }
.lt-price-num span { font-size: 14px; color: var(--lt-muted); }
.lt-price-feat { list-style: none; padding: 0; margin: 0 0 18px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.lt-price-feat li { display: flex; gap: 8px; align-items: flex-start; font-size: 14px; color: var(--lt-ink-soft); }
.lt-price-feat li span { color: var(--lt-brand); font-weight: 800; }

/* ---------- 12. 关于我们 ---------- */
.lt-about-intro { padding: 50px 0 6px; }
.lt-about-intro-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 40px; align-items: center; }
.lt-about-media img { width: 100%; border-radius: var(--lt-radius-lg); border: 1px solid var(--lt-line); box-shadow: var(--lt-shadow-md); display: block; }
.lt-about-copy h2 { font-size: clamp(24px, 3vw, 32px); font-weight: 800; margin: 0 0 14px; }
.lt-about-lead { font-size: 16px; color: var(--lt-ink-soft); line-height: 1.9; }
.lt-about-stats { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 20px; }
.lt-about-stats div {
    flex: 1; min-width: 120px; text-align: center; background: var(--lt-surface);
    border: 1px solid var(--lt-line); border-radius: var(--lt-radius); padding: 14px 10px; box-shadow: var(--lt-shadow-sm);
}
.lt-about-stats strong { display: block; font-size: 26px; color: var(--lt-ink); }
.lt-about-stats strong em { font-style: normal; font-size: 14px; color: var(--lt-brand); }
.lt-about-stats span { font-size: 12.5px; color: var(--lt-muted); }
.lt-about-story { padding: 52px 0 6px; }
.lt-about-story-grid { display: grid; grid-template-columns: auto 1fr; gap: 34px; align-items: center; }
.lt-about-number { font-size: clamp(70px, 10vw, 130px); font-weight: 800; line-height: 1; color: transparent; margin: 0; -webkit-text-stroke: 2px var(--lt-tint-strong); }
.lt-about-story h2 { font-size: clamp(24px, 3vw, 32px); margin: 0 0 12px; }
.lt-about-story p { color: var(--lt-ink-soft); max-width: 640px; margin: 0; }
.lt-values { padding: 52px 0 6px; }
.lt-values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.lt-values-grid article {
    background: var(--lt-surface); border: 1px solid var(--lt-line);
    border-radius: var(--lt-radius-lg); padding: 26px; box-shadow: var(--lt-shadow-sm);
}
.lt-values-grid strong { font-size: 15px; color: var(--lt-brand); letter-spacing: .1em; }
.lt-values-grid h3 { font-size: 18px; margin: 8px 0 8px; }
.lt-values-grid p { font-size: 14px; color: var(--lt-muted); margin: 0; }
.lt-milestones { padding: 56px 0 6px; }
.lt-milestone-list { list-style: none; padding: 0; margin: 0; position: relative; }
.lt-milestone-list::before { content: ""; position: absolute; left: 7px; top: 10px; bottom: 10px; width: 2px; background: var(--lt-tint-strong); }
.lt-milestone-list li { position: relative; padding: 0 0 26px 34px; }
.lt-milestone-list li::before { content: ""; position: absolute; left: 0; top: 6px; width: 16px; height: 16px; border-radius: 50%; background: var(--lt-surface); border: 4px solid var(--lt-brand); }
.lt-milestone-year { display: inline-block; font-size: 12.5px; font-weight: 800; color: var(--lt-brand-ink); background: var(--lt-tint); border-radius: var(--lt-radius-pill); padding: 3px 12px; margin-bottom: 6px; }
.lt-milestone-list h3 { font-size: 17px; margin: 0 0 4px; }
.lt-milestone-list p { font-size: 14px; color: var(--lt-muted); margin: 0; }

/* ---------- 13. 联系我们 / 表单 ---------- */
.lt-assure { padding: 34px 0 0; }
.lt-assure-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.lt-assure-item {
    display: flex; align-items: baseline; gap: 10px; justify-content: center;
    background: var(--lt-surface); border: 1px solid var(--lt-line); border-radius: var(--lt-radius);
    padding: 16px; box-shadow: var(--lt-shadow-sm); font-size: 14px; color: var(--lt-muted);
}
.lt-assure-item strong { font-size: 24px; font-weight: 800; color: var(--lt-brand-deep); }
.lt-assure-item strong em { font-style: normal; font-size: 14px; color: var(--lt-brand); margin-left: 2px; }
.lt-contact-layout { padding: 40px 0 0; }
.lt-contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: start; }
.lt-contact-details { background: var(--lt-surface); border: 1px solid var(--lt-line); border-radius: var(--lt-radius-lg); padding: 28px; box-shadow: var(--lt-shadow-sm); }
.lt-contact-details h2 { font-size: 22px; margin: 0 0 16px; }
.lt-contact-line { display: flex; gap: 10px; align-items: center; font-size: 16px; font-weight: 700; color: var(--lt-ink); padding: 7px 0; }
.lt-contact-line:hover { color: var(--lt-brand-deep); }
.lt-contact-line span { color: var(--lt-brand); }
.lt-contact-note { font-size: 13px; color: var(--lt-muted); margin: 12px 0; }
.lt-contact-note b { color: var(--lt-danger); }
.lt-contact-points { list-style: none; padding: 0; margin: 14px 0 0; }
.lt-contact-points li { position: relative; padding: 6px 0 6px 22px; font-size: 14px; color: var(--lt-ink-soft); }
.lt-contact-points li::before { content: "✓"; position: absolute; left: 0; color: var(--lt-brand); font-weight: 800; }
.lt-lead-form { background: var(--lt-surface); border: 1px solid var(--lt-line); border-radius: var(--lt-radius-lg); padding: 28px; box-shadow: var(--lt-shadow-sm); }
.lt-lead-form h3 { font-size: 20px; margin: 0 0 4px; }
.lt-lead-form form { display: flex; flex-direction: column; }
.lt-lead-form label { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; font-size: 14px; color: var(--lt-ink-soft); }
.lt-lead-form label > span { font-weight: 600; }
.lt-lead-form label b { color: var(--lt-danger); font-weight: 700; }
.lt-lead-form input[type="text"], .lt-lead-form input[type="email"], .lt-lead-form input[type="tel"],
.lt-lead-form input[type="number"], .lt-lead-form select, .lt-lead-form textarea {
    font: inherit; color: var(--lt-ink); background: var(--lt-surface-soft);
    border: 1px solid var(--lt-line-strong); border-radius: 10px; padding: 11px 14px;
    transition: border-color .15s ease, box-shadow .15s ease; width: 100%;
}
.lt-lead-form input:focus, .lt-lead-form select:focus, .lt-lead-form textarea:focus {
    outline: none; border-color: var(--lt-brand); background: #fff;
    box-shadow: 0 0 0 3px rgba(14, 143, 111, .14);
}
.lt-lead-form input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--lt-brand); }
.lt-form-consent { flex-direction: row !important; align-items: flex-start !important; gap: 8px !important; font-size: 13px !important; color: var(--lt-muted) !important; }
.lt-form-honeypot { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; opacity: 0; }
.lt-form-feedback { margin: 12px 0 0; font-size: 14px; min-height: 20px; }
.lt-form-feedback[data-state="loading"] { color: var(--lt-muted); }
.lt-form-feedback[data-state="ok"] { color: var(--lt-brand-deep); }
.lt-form-feedback[data-state="err"] { color: var(--lt-danger); }

/* ---------- 14. 单页 ---------- */
.lt-single { padding: 34px 0 0; }
.lt-single-head { text-align: center; margin-bottom: 26px; }
.lt-single-head h1 { font-size: clamp(26px, 3.4vw, 36px); margin: 0 0 8px; }
.lt-single-meta { font-size: 13px; color: var(--lt-faint); margin: 0; }
.lt-single .lt-prose { background: var(--lt-surface); border: 1px solid var(--lt-line); border-radius: var(--lt-radius-lg); box-shadow: var(--lt-shadow-sm); padding: clamp(24px, 4vw, 44px); }
.lt-builder-crumb { padding-top: 26px; }

/* ---------- 15. 模板页 / 页面构建器契约类（无 class_prefix，与 cms-core 契约一致）---------- */
/* 这些类名是「模板页区块」与「页面构建器」的 CSS 契约：同一页面在两种渲染方式下外观一致。
   theme-light 给它们提供亮色实现，视觉上向 lt-* 体系靠拢。 */
.builder-hero, .section-block, .contact-band { max-width: var(--lt-shell); margin: 0 auto; padding: 44px 24px; }
.builder-hero { display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center; }
.builder-hero .kicker, .section-intro .kicker { font-size: 13px; font-weight: 700; letter-spacing: .12em; color: var(--lt-brand); margin-bottom: 8px; }
.builder-hero h1 { font-size: clamp(28px, 4vw, 42px); font-weight: 800; margin: 0 0 14px; }
.hero-lead { font-size: 16.5px; color: var(--lt-ink-soft); max-width: 560px; }
.hero-actions { margin-top: 22px; }
.hero-art img { width: 100%; border-radius: var(--lt-radius-lg); border: 1px solid var(--lt-line); box-shadow: var(--lt-shadow-lg); display: block; }
.button {
    display: inline-flex; align-items: center; gap: 8px; padding: 12px 24px;
    border: 1px solid transparent; border-radius: var(--lt-radius-pill);
    font-size: 15px; font-weight: 600; cursor: pointer; transition: all .15s ease;
}
.button-primary { background: linear-gradient(135deg, var(--lt-brand), var(--lt-brand-deep)); color: #fff; box-shadow: 0 8px 20px -8px rgba(14, 143, 111, .5); }
.button-primary:hover { color: #fff; transform: translateY(-1px); }
.button-light { background: #fff; color: var(--lt-brand-deep); }
.button-light:hover { color: var(--lt-brand); }
.section-block { background: var(--lt-bg); }
.section-intro { text-align: center; max-width: 660px; margin: 0 auto 28px; }
.section-intro h2 { font-size: clamp(24px, 3vw, 32px); font-weight: 800; margin: 0; }
.article-body { font-size: 16px; color: var(--lt-ink-soft); max-width: 820px; margin: 0 auto; }
.article-body h2 { font-size: 23px; color: var(--lt-ink); margin: 32px 0 12px; }
.article-body h3 { font-size: 19px; color: var(--lt-ink); margin: 24px 0 10px; }
.article-body a { color: var(--lt-brand-deep); font-weight: 600; }
.article-body img { border-radius: var(--lt-radius); border: 1px solid var(--lt-line); }
.article-body table { width: 100%; border-collapse: collapse; margin-bottom: 1.4em; }
.article-body th, .article-body td { border: 1px solid var(--lt-line); padding: 9px 13px; text-align: left; }
.article-body th { background: var(--lt-tint); color: var(--lt-brand-ink); }
.article-body blockquote { margin: 20px 0; padding: 12px 18px; background: var(--lt-tint); border-left: 4px solid var(--lt-brand); border-radius: 0 var(--lt-radius) var(--lt-radius) 0; }
.builder-image-text { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; align-items: center; }
.builder-image-text.is-right .builder-image-text-media { order: 2; }
.builder-image-text-media { width: 100%; border-radius: var(--lt-radius-lg); border: 1px solid var(--lt-line); box-shadow: var(--lt-shadow-md); }
.builder-gallery { display: grid; gap: 12px; }
.builder-gallery.is-cols-2 { grid-template-columns: repeat(2, 1fr); }
.builder-gallery.is-cols-3 { grid-template-columns: repeat(3, 1fr); }
.builder-gallery.is-cols-4 { grid-template-columns: repeat(4, 1fr); }
.builder-gallery img { width: 100%; height: 200px; object-fit: cover; border-radius: var(--lt-radius); border: 1px solid var(--lt-line); }
.listing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.story-card {
    display: flex; flex-direction: column; background: var(--lt-surface);
    border: 1px solid var(--lt-line); border-radius: var(--lt-radius-lg); overflow: hidden;
    color: var(--lt-ink); transition: transform .15s ease, box-shadow .15s ease;
}
.story-card:hover { transform: translateY(-3px); box-shadow: var(--lt-shadow-md); color: var(--lt-ink); }
.story-image { height: 150px; background: var(--lt-tint); }
.story-body { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 6px; }
.story-body h3 { font-size: 16px; margin: 0; }
.card-text { font-size: 13px; color: var(--lt-muted); margin: 0; flex: 1; }
.card-date { font-size: 12px; color: var(--lt-faint); }
.builder-faq { display: flex; flex-direction: column; gap: 10px; max-width: 820px; margin: 0 auto; }
.builder-faq-item { background: var(--lt-surface); border: 1px solid var(--lt-line); border-radius: var(--lt-radius); }
.builder-faq-item[open] { border-color: var(--lt-tint-strong); }
.builder-faq-item summary { cursor: pointer; list-style: none; padding: 15px 18px; font-weight: 600; }
.builder-faq-item summary::-webkit-details-marker { display: none; }
.builder-faq-item summary::after { content: "+"; float: right; color: var(--lt-brand); font-weight: 800; }
.builder-faq-item[open] summary::after { content: "−"; }
.builder-faq-item .article-body { padding: 0 18px 16px; max-width: none; font-size: 14.5px; }
.builder-video { text-align: center; }
.builder-video video { width: 100%; max-width: 860px; border-radius: var(--lt-radius-lg); border: 1px solid var(--lt-line); box-shadow: var(--lt-shadow-md); }
.builder-video-caption { font-size: 13px; color: var(--lt-faint); margin-top: 10px; }
.empty-state {
    background: var(--lt-surface); border: 1px dashed var(--lt-line-strong); border-radius: var(--lt-radius);
    padding: 34px 22px; text-align: center; color: var(--lt-muted); font-size: 14.5px;
}
.contact-band { background: var(--lt-bg); padding: 0 24px; }
.builder-cta-band { max-width: none; padding: 44px 0 0; }
.contact-inner {
    display: flex; flex-wrap: wrap; gap: 20px; align-items: center; justify-content: space-between;
    background: linear-gradient(140deg, var(--lt-brand-ink), var(--lt-brand-deep));
    border-radius: var(--lt-radius-lg); padding: 34px; color: #fff;
}
.contact-inner h2 { color: #fff; margin: 0 0 6px; }
.contact-inner p { color: rgba(255, 255, 255, .85); margin: 0; }
.contact-actions { display: flex; gap: 12px; }
.pagination { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 26px; }
.pagination a, .pagination span, .pagination strong {
    min-width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center;
    background: var(--lt-surface); border: 1px solid var(--lt-line); border-radius: 10px;
    font-size: 14px; color: var(--lt-ink-soft); padding: 0 12px;
}
.pagination a:hover { border-color: var(--lt-brand); color: var(--lt-brand-deep); }
.pagination [aria-current="page"], .pagination .is-active { background: var(--lt-brand); border-color: var(--lt-brand); color: #fff; font-weight: 700; }

/* ---------- 16. 响应式 ---------- */
@media (max-width: 1080px) {
    .lt-header-phone { display: none; }
    .lt-nav { margin-right: auto; }
    .lt-hubnav-pill, .lt-hubnav-tag { padding: 6px 14px; }
    .lt-svc-grid { grid-template-columns: repeat(3, 1fr); }
    .lt-hub-grid, .lt-doc-grid { grid-template-columns: 1fr; }
    .lt-hub-side, .lt-side { width: 100%; }
    .lt-hub-side .lt-side-sticky, .lt-side .lt-side-sticky { position: static; }
    .lt-toc { display: none; }
    .lt-home-hero-grid { grid-template-columns: 1fr; }
    .lt-home-hero-media { order: -1; }
    .lt-price-grid, .lt-feat-grid, .lt-values-grid, .lt-rel-grid { grid-template-columns: repeat(2, 1fr); }
    .lt-flow-grid, ol.lt-flow { grid-template-columns: repeat(2, 1fr); }
    .lt-flow-step + .lt-flow-step::before { display: none; }
    .lt-bento-card, .lt-bento-card:not(.wide) { grid-column: span 2; }
    .lt-about-intro-grid, .lt-split, .lt-contact-grid, .builder-hero, .builder-image-text { grid-template-columns: 1fr; }
    .lt-about-story-grid { grid-template-columns: 1fr; gap: 10px; }
    .listing-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
    :root { --lt-header-h: 62px; }
    .lt-header-cta .lt-btn { display: none; }
    .lt-nav-toggle {
        display: grid; place-items: center; width: 40px; height: 40px; margin-left: auto;
        background: var(--lt-surface); border: 1px solid var(--lt-line); border-radius: 10px; cursor: pointer;
    }
    .lt-nav-toggle span { position: relative; width: 18px; height: 2px; background: var(--lt-ink); border-radius: 2px; transition: background 0s .18s; }
    .lt-nav-toggle span::before, .lt-nav-toggle span::after {
        content: ""; position: absolute; left: 0; width: 18px; height: 2px; background: var(--lt-ink); border-radius: 2px;
        transition: transform .18s ease;
    }
    .lt-nav-toggle span::before { top: -6px; }
    .lt-nav-toggle span::after { top: 6px; }
    .lt-header[data-nav="open"] .lt-nav-toggle span { background: transparent; }
    .lt-header[data-nav="open"] .lt-nav-toggle span::before { transform: translateY(6px) rotate(45deg); }
    .lt-header[data-nav="open"] .lt-nav-toggle span::after { transform: translateY(-6px) rotate(-45deg); }
    .lt-nav {
        display: none; position: absolute; top: 100%; left: 0; right: 0;
        flex-direction: column; align-items: stretch; gap: 0;
        background: var(--lt-surface); border-bottom: 1px solid var(--lt-line);
        box-shadow: var(--lt-shadow-md); padding: 10px 18px 16px; max-height: 70vh; overflow: auto;
    }
    .lt-header[data-nav="open"] .lt-nav { display: flex; }
    .lt-nav > a, .lt-nav-trigger { padding: 12px 6px; border-bottom: 1px solid var(--lt-line); border-radius: 0; }
    .lt-nav-item { border-bottom: 1px solid var(--lt-line); }
    .lt-nav-item .lt-nav-trigger { border-bottom: 0; }
    .lt-nav-sub { position: static; display: flex; box-shadow: none; border: 0; padding: 0 0 8px 18px; flex-direction: row; flex-wrap: wrap; }
    .lt-nav-sub a { font-size: 13px; background: var(--lt-bg); border: 1px solid var(--lt-line); border-radius: var(--lt-radius-pill); padding: 5px 12px; }
    .lt-stats-row { grid-template-columns: repeat(2, 1fr); padding: 16px; }
    .lt-stat { border-right: 0; }
    .lt-stat:nth-child(odd) { border-right: 1px solid var(--lt-line); }
    .lt-stat b { font-size: 24px; }
    .lt-svc-grid, .lt-matrix-grid, .lt-price-grid, .lt-feat-grid, .lt-values-grid,
    .lt-rel-grid, .lt-hot-grid, .lt-assure-grid, .listing-grid { grid-template-columns: 1fr; }
    .lt-flow-grid, ol.lt-flow { grid-template-columns: 1fr; }
    .lt-bento-card, .lt-bento-card:not(.wide) { grid-column: span 4; }
    .lt-featured-card { grid-template-columns: 1fr; }
    .lt-featured-thumb img { min-height: 180px; max-height: 210px; }
    .lt-row > a { flex-direction: column; }
    .lt-row-thumb { width: 100%; }
    .lt-row-thumb img { width: 100%; height: 170px; }
    .lt-postnav { grid-template-columns: 1fr; }
    .lt-postnav a:last-child { text-align: left; align-items: flex-start; }
    .lt-hero { padding: 36px 0 40px; }
    .lt-hero-btns .lt-btn { flex: 1; }
    .lt-milestone-list::before { left: 6px; }
    .builder-gallery.is-cols-3, .builder-gallery.is-cols-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition: none !important; animation: none !important; }
}