/* ════════════════════════════════════════════════════════════════
包租公 · Learn / 知识库 — 共享样式
严格沿用 intro.html 的 design tokens（公开页家族 single source）。
dark-only（与 intro 一致；app 才有 light theme）。
任何新内容页 + 引 learn.js。
════════════════════════════════════════════════════════════════ */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
/* ── 琉璃 Liuli · Design System 2.0 tokens（变量名沿用 1.x，值换介质）──
材质语义：--glass 准玻璃卡底(底景上微透) · --edge 玻璃外缘 · --line/--line-2 hairline 化
/ds-beta 是 single source of truth。 */
@font-face{font-family:"Space Grotesk";src:url('/fonts/space-grotesk.woff2') format('woff2');font-weight:300 700;font-display:swap}
@font-face{font-family:"JBMono";src:url('/fonts/jetbrains-mono.woff2') format('woff2');font-weight:100 800;font-display:swap}
:root {
--bg: #06070D;
--bg-2: #10131E;
--glass: rgba(16,19,30,0.62);
--glass-2: rgba(23,27,42,0.66);
--edge: rgba(255,255,255,0.10);
--fill: rgba(255,255,255,0.045);
--fill-2: rgba(255,255,255,0.085);
--line: rgba(255,255,255,0.09);
--line-2: rgba(255,255,255,0.15);
--text: rgba(245,247,253,0.96);
--muted: rgba(226,231,244,0.62);
--dim: rgba(226,231,244,0.40);
--accent: #E8BC72;
--accent-2:#C59440;
--accent-light: #F6D9A2;
--green: #3FDD9C;
--red: #FF7E78;
--warn: #FFC85F;
--num-g1: #F8DCA2;
--num-g2: #E0AE5C;
--font-display: "Space Grotesk", "SF Pro Display", -apple-system, "PingFang SC", "Noto Sans SC", sans-serif;
--font-num: "JBMono", "SF Mono", ui-monospace, Menlo, monospace;
--shadow-soft: 0 10px 32px -12px rgba(1,3,9,0.60), 0 2px 8px -2px rgba(1,3,9,0.40);
--bevel: inset 0 1px 0 rgba(255,255,255,0.08);
--glass-grad: linear-gradient(135deg, rgba(255,255,255,0.055), rgba(255,255,255,0.012) 38%, rgba(255,255,255,0) 64%);
/* Animation tokens（2.0 重调：spring 加过冲仅限 transform · 新增 pour 给浮层） */
--dur-instant: 70ms;
--dur-quick: 140ms;
--dur-normal: 240ms;
--dur-modal: 360ms;
--dur-slow: 600ms;
--ease-spring: cubic-bezier(0.34, 1.45, 0.4, 1);
--ease-out: cubic-bezier(0.22, 0.8, 0.36, 1);
--ease-in: cubic-bezier(0.45, 0.05, 0.7, 0.4);
--ease-pour: cubic-bezier(0.32, 1.18, 0.35, 1);
}
/* ── 全局滚动条（D · 暖金浮窗，沿用 intro） ── */
* { scrollbar-width: thin; scrollbar-color: var(--accent-2) transparent; }
*::-webkit-scrollbar { width: 12px; height: 12px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-corner { background: transparent; }
*::-webkit-scrollbar-thumb {
background: linear-gradient(180deg, var(--accent) 0%, var(--accent-2) 100%);
border-radius: 999px;
border: 3px solid var(--bg);
background-clip: padding-box;
box-shadow: 0 0 6px rgba(230,184,106,0.10);
transition: filter 0.18s;
}
*::-webkit-scrollbar-thumb:hover { filter: brightness(1.15); }
body {
font-family: -apple-system, "SF Pro Text", "Inter",
"PingFang SC", "Microsoft YaHei", sans-serif;
background: var(--bg); color: var(--text);
line-height: 1.5;
-webkit-font-smoothing: antialiased;
font-feature-settings: "ss01", "cv01";
}
a { color: inherit; }
/* ── Nav · 已抽到共享 /nav.css（全站唯一来源）——本文件不再维护 nav 样式 ── */
/* ── Layout primitives ─────────────────────────────── */
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 max(24px, 5vw); }
.wrap-narrow { max-width: 760px; }
/* ── Typography（沿用 intro 字阶） ─────────────────── */
h1, h2, h3, h4 { color: var(--text); font-weight: 600; letter-spacing: -0.025em; }
.eyebrow {
font-size: 13px; font-weight: 500; color: var(--accent);
text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 20px;
}
p { color: var(--muted); font-size: 17px; line-height: 1.65; }
p strong, p b { color: var(--text); font-weight: 500; }
code, .mono { font-family: "SF Mono", "JetBrains Mono", Menlo, monospace; font-size: 0.92em; }
code {
background: var(--bg-2); border: 1px solid var(--line);
padding: 1px 6px; border-radius: 5px; color: var(--accent);
}
/* ── Buttons（沿用 intro） ─────────────────────────── */
.btn-primary {
background: var(--text); color: var(--bg);
padding: 13px 22px; border-radius: 8px;
font-size: 15px; font-weight: 500; text-decoration: none;
transition: all 0.15s; display: inline-flex; align-items: center; gap: 8px;
}
.btn-primary:hover { background: white; transform: translateY(-1px); }
.btn-link {
color: var(--text); font-size: 15px; text-decoration: none;
display: inline-flex; align-items: center; gap: 6px;
border-bottom: 1px solid var(--line-2); padding-bottom: 2px;
transition: border-color 0.15s, color 0.15s;
}
.btn-link:hover { color: var(--accent); border-color: var(--accent); }
.btn-link .arr { transition: transform 0.15s; }
.btn-link:hover .arr { transform: translateX(2px); }
/* ════════════════════════════════════════════════════
内容页组件（新增 — 文章 / 知识库专用）
════════════════════════════════════════════════════ */
/* ── 面包屑 ── */
.breadcrumb {
font-size: 13px; color: var(--dim);
font-family: "SF Mono", Menlo, monospace; letter-spacing: 0.02em;
display: flex; gap: 8px; align-items: center; flex-wrap: wrap;
}
.breadcrumb a { color: var(--muted); text-decoration: none; transition: color 0.15s; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { color: var(--line-2); }
/* ── 页面 hero（文章 / 知识库通用） ── */
.page-hero { padding: 56px 0 40px; border-bottom: 1px solid var(--line); }
.page-hero h1 {
font-size: clamp(34px, 5vw, 56px); line-height: 1.08;
letter-spacing: -0.035em; margin: 18px 0 18px; max-width: 18ch;
}
.page-hero .lead {
font-size: clamp(18px, 2.4vw, 22px); color: var(--muted);
line-height: 1.55; max-width: 640px;
}
.page-hero .lead strong { color: var(--text); font-weight: 500; }
.hero-meta {
display: flex; gap: 8px 16px; flex-wrap: wrap; align-items: center;
margin-top: 26px; font-size: 13px; color: var(--dim);
font-family: "SF Mono", Menlo, monospace;
}
.hero-meta .dot { color: var(--line-2); }
/* ── 标签 chip ── */
.tag {
display: inline-flex; align-items: center; gap: 6px;
padding: 5px 11px; border-radius: 999px;
background: var(--accent-dim, rgba(230,184,106,0.10));
border: 1px solid rgba(230,184,106,0.30);
font-size: 12px; font-weight: 500; color: var(--accent);
font-family: "SF Mono", Menlo, monospace; letter-spacing: 0.02em;
}
.tag svg.ico { width: 13px; height: 13px; }
.tag.neutral { background: rgba(255,255,255,0.03); border-color: var(--line-2); color: var(--muted); }
/* ── 文章布局：内容 + 右侧目录（desktop） ── */
.article-layout {
display: grid; grid-template-columns: minmax(0,1fr) 232px;
gap: 56px; padding: 56px 0 40px; align-items: start;
}
.toc {
position: sticky; top: 92px;
font-size: 13px; border-left: 1px solid var(--line); padding-left: 18px;
}
.toc-title {
font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em;
color: var(--dim); margin-bottom: 14px; font-weight: 600;
}
.toc a {
display: block; color: var(--muted); text-decoration: none;
padding: 5px 0; line-height: 1.4; transition: color 0.15s;
border-left: 2px solid transparent; margin-left: -20px; padding-left: 18px;
}
.toc a:hover, .toc a.active { color: var(--accent); border-left-color: var(--accent); }
@media (max-width: 900px) {
.article-layout { grid-template-columns: 1fr; gap: 0; padding-top: 40px; }
.toc { display: none; }
}
/* ── Prose（正文排版） ── */
.prose { max-width: 680px; }
.prose > section { padding: 0; border: none; margin-bottom: 52px; scroll-margin-top: 88px; }
.prose h2 {
font-size: clamp(24px, 3vw, 30px); line-height: 1.2;
letter-spacing: -0.02em; margin: 0 0 18px;
display: flex; align-items: center; gap: 12px;
}
.prose h2 .ix {
flex-shrink: 0; width: 30px; height: 30px; border-radius: 8px;
background: rgba(230,184,106,0.10); border: 1px solid rgba(230,184,106,0.25);
display: inline-flex; align-items: center; justify-content: center;
color: var(--accent); font-size: 16px;
}
.prose h3 { font-size: 18px; line-height: 1.4; letter-spacing: -0.01em; margin: 28px 0 8px; }
.prose p { margin-bottom: 16px; }
.prose ul, .prose ol { margin: 0 0 18px; padding-left: 22px; }
.prose li { color: var(--muted); font-size: 16px; line-height: 1.7; margin-bottom: 8px; }
.prose li strong { color: var(--text); font-weight: 500; }
.prose li::marker { color: var(--accent-2); }
.prose a:not(.btn-primary):not(.btn-link) {
color: var(--accent); text-decoration: none;
border-bottom: 1px solid rgba(230,184,106,0.35); transition: border-color 0.15s;
}
.prose a:not(.btn-primary):not(.btn-link):hover { border-bottom-color: var(--accent); }
.prose hr { border: none; border-top: 1px solid var(--line); margin: 40px 0; }
/* ── Callout（提示框：info / good / warn / danger）· 无左色条 · 柔色底（方案 A）── */
.callout {
display: flex; gap: 12px; align-items: flex-start;
background: rgba(230,184,106,0.09);
border-radius: 12px; padding: 14px 16px; margin: 0 0 22px;
}
.callout .c-ico { flex-shrink: 0; color: var(--accent); font-size: 18px; margin-top: 1px; }
.callout .c-body { font-size: 15px; line-height: 1.62; color: var(--muted); }
.callout .c-body strong { color: var(--text); font-weight: 600; }
.callout.good { background: rgba(52,211,153,0.09); }
.callout.good .c-ico { color: var(--green); }
.callout.warn { background: rgba(251,191,36,0.10); }
.callout.warn .c-ico { color: var(--warn); }
.callout.danger { background: rgba(248,113,113,0.10); }
.callout.danger .c-ico { color: var(--red); }
/* ── 关键数据 / 公式盒 ── */
.databox {
background: var(--bg-2); border: 1px solid var(--line);
border-radius: 12px; padding: 20px 22px; margin: 0 0 24px;
}
.databox-title {
font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em;
color: var(--accent); font-weight: 600; margin-bottom: 14px;
}
.kv-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 14px 20px; }
.kv .k { font-size: 12px; color: var(--dim); margin-bottom: 3px; }
.kv .v { font-size: 19px; color: var(--text); font-weight: 600; font-family: "SF Mono", Menlo, monospace; }
.kv .v.pos { color: var(--green); }
.kv .v.neg { color: var(--red); }
.kv .v.accent { color: var(--accent); }
.formula {
font-family: "SF Mono", Menlo, monospace; font-size: 14px;
color: var(--text); background: var(--bg); border: 1px solid var(--line);
border-radius: 8px; padding: 12px 14px; line-height: 1.7; overflow-x: auto;
}
.formula .op { color: var(--accent); }
.formula .cm { color: var(--dim); }
/* ── 例子 / 场景卡 ── */
.scenario {
background: linear-gradient(180deg, var(--bg-2), rgba(24,24,34,0.4));
border: 1px solid var(--line); border-radius: 14px; padding: 22px 24px; margin: 0 0 24px;
}
.scenario .s-tag {
font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em;
color: var(--accent); font-weight: 600; margin-bottom: 12px;
display: inline-flex; align-items: center; gap: 7px;
}
.scenario .s-line { display: flex; justify-content: space-between; gap: 16px; padding: 7px 0; border-bottom: 1px dashed var(--line); font-size: 15px; }
.scenario .s-line:last-child { border-bottom: none; }
.scenario .s-line .lbl { color: var(--muted); }
.scenario .s-line .val { color: var(--text); font-weight: 500; font-family: "SF Mono", Menlo, monospace; }
.scenario .s-line .val.pos { color: var(--green); }
.scenario .s-line .val.neg { color: var(--red); }
/* ── 对比表 ── */
.cmp-table { width: 100%; border-collapse: collapse; font-size: 14px; margin: 0 0 22px; }
.cmp-table th, .cmp-table td { padding: 11px 12px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.cmp-table th { font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--dim); font-weight: 600; }
.cmp-table td { color: var(--muted); line-height: 1.55; }
.cmp-table td:first-child { color: var(--text); font-weight: 500; }
.cmp-table .ok { color: var(--green); }
.cmp-table .no { color: var(--red); }
/* ── FAQ（accordion） ── */
.faq { border-top: 1px solid var(--line); margin-top: 8px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
list-style: none; cursor: pointer; padding: 18px 0;
font-size: 17px; font-weight: 500; color: var(--text);
display: flex; justify-content: space-between; align-items: center; gap: 16px;
transition: color 0.15s;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { color: var(--accent); }
.faq summary .q-mk {
flex-shrink: 0; width: 22px; height: 22px; position: relative; color: var(--accent-2);
transition: transform var(--dur-normal) var(--ease-out);
}
.faq summary .q-mk::before, .faq summary .q-mk::after {
content: ""; position: absolute; background: currentColor; border-radius: 2px;
top: 50%; left: 50%; transform: translate(-50%,-50%);
}
.faq summary .q-mk::before { width: 13px; height: 2px; }
.faq summary .q-mk::after { width: 2px; height: 13px; transition: transform var(--dur-normal) var(--ease-out); }
.faq details[open] summary .q-mk::after { transform: translate(-50%,-50%) scaleY(0); }
.faq details[open] summary { color: var(--accent); }
.faq .a { padding: 0 0 20px; font-size: 15px; line-height: 1.7; color: var(--muted); max-width: 640px; }
.faq .a strong { color: var(--text); font-weight: 500; }
/* ── 知识库 hub：卡片栅格 ── */
.guide-grid {
display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
gap: 18px; padding: 48px 0;
}
.guide-card {
display: flex; flex-direction: column; gap: 12px;
background: var(--bg-2); border: 1px solid var(--line);
border-radius: 14px; padding: 24px; text-decoration: none;
transition: border-color var(--dur-normal) var(--ease-out), transform var(--dur-normal) var(--ease-spring);
position: relative; overflow: hidden;
}
.guide-card:not(.soon):hover { border-color: var(--accent-2); transform: translateY(-3px); }
.guide-card .g-ico {
width: 42px; height: 42px; border-radius: 11px;
background: rgba(230,184,106,0.10); border: 1px solid rgba(230,184,106,0.22);
display: inline-flex; align-items: center; justify-content: center;
color: var(--accent); font-size: 22px;
}
.guide-card h3 { font-size: 18px; margin: 0; letter-spacing: -0.01em; }
.guide-card p { font-size: 14px; line-height: 1.6; color: var(--muted); margin: 0; }
.guide-card .g-foot {
margin-top: auto; padding-top: 6px; font-size: 13px; color: var(--accent);
font-weight: 500; display: inline-flex; align-items: center; gap: 6px;
}
.guide-card .g-foot .arr { transition: transform 0.15s; }
.guide-card:hover .g-foot .arr { transform: translateX(3px); }
.guide-card.soon { opacity: 0.62; cursor: default; }
.guide-card.soon .g-foot { color: var(--dim); }
.guide-card .soon-badge {
position: absolute; top: 16px; right: 16px;
font-size: 10px; text-transform: uppercase; letter-spacing: 0.06em;
color: var(--dim); border: 1px solid var(--line-2); border-radius: 999px; padding: 3px 9px;
}
/* ── 底部 CTA band ── */
.cta-band {
text-align: center; padding: 72px 0 96px; border-top: 1px solid var(--line);
}
.cta-band h2 { font-size: clamp(26px, 3.6vw, 38px); line-height: 1.15; letter-spacing: -0.03em; margin-bottom: 14px; }
.cta-band p { font-size: 17px; color: var(--muted); max-width: 520px; margin: 0 auto 28px; }
.cta-band .actions { display: inline-flex; gap: 20px; flex-wrap: wrap; justify-content: center; align-items: center; }
.cta-band .trust {
margin-top: 22px; font-size: 12px; color: var(--dim);
font-family: "SF Mono", Menlo, monospace; letter-spacing: 0.03em;
}
/* ── 「下一篇」导航 ── */
.next-nav { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 8px; }
.next-nav a {
flex: 1; min-width: 200px; background: var(--bg-2); border: 1px solid var(--line);
border-radius: 12px; padding: 16px 18px; text-decoration: none;
transition: border-color 0.15s;
}
.next-nav a:hover { border-color: var(--accent-2); }
.next-nav .nn-k { font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--dim); margin-bottom: 5px; }
.next-nav .nn-t { font-size: 16px; color: var(--text); font-weight: 500; }
/* ── Footer（与 intro 一致） ── */
footer { padding: 60px 0 80px; border-top: 1px solid var(--line); font-size: 13px; color: var(--dim); }
footer .row { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 24px; margin-bottom: 32px; }
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--text); }
.disclaimer { margin-top: 40px; padding-top: 32px; border-top: 1px solid var(--line); color: var(--dim); font-size: 12px; line-height: 1.7; max-width: 720px; }
.disclaimer strong { color: var(--accent); font-weight: 500; }
/* ── Reveal（与 intro 一致） ── */
.reveal { opacity: 0; transform: translateY(8px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
.reveal { opacity: 1; transform: none; transition: none; }
* { scroll-behavior: auto !important; }
}
/* ── 术语表 glossary ── */
.gloss-cat { margin-bottom: 40px; }
.gloss-cat-title { font-size: 13px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--accent); font-weight: 600; margin: 0 0 16px; display: flex; align-items: center; gap: 9px; }
.gloss-cat-title svg.ico { font-size: 17px; }
.term-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 14px; }
.term { background: var(--bg-2); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; }
.term-head { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }
.term-sym { font-family: "SF Mono", Menlo, monospace; font-size: 12px; font-weight: 700; color: var(--bg); background: var(--accent); border-radius: 5px; padding: 2px 7px; line-height: 1.4; }
.term-name { font-size: 16px; font-weight: 600; color: var(--text); letter-spacing: -0.01em; }
.term-def { font-size: 14px; line-height: 1.6; color: var(--muted); }
.term-def strong { color: var(--text); font-weight: 500; }
/* ── 轮动 cycle（4 步闭环） ── */
.cycle { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin: 0 0 24px; }
.cycle-step { background: var(--bg-2); border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; }
.cycle-step .cs-n { font-family: "SF Mono", Menlo, monospace; font-size: 12px; color: var(--accent); font-weight: 700; margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
.cycle-step .cs-n svg.ico { font-size: 15px; }
.cycle-step h3 { font-size: 16px; margin: 0 0 6px; letter-spacing: -0.01em; }
.cycle-step p { font-size: 14px; line-height: 1.55; margin: 0; }
@media (max-width: 560px) { .cycle { grid-template-columns: 1fr; } }
/* ── 11 因子 factor list ── */
.factor { display: flex; gap: 14px; align-items: flex-start; padding: 15px 0; border-bottom: 1px solid var(--line); }
.factor:last-child { border-bottom: none; }
.factor .f-n { flex-shrink: 0; width: 26px; height: 26px; border-radius: 7px; background: rgba(230,184,106,0.10); border: 1px solid rgba(230,184,106,0.25); color: var(--accent); font-family: "SF Mono", Menlo, monospace; font-size: 12px; font-weight: 700; display: inline-flex; align-items: center; justify-content: center; }
.factor .f-body { flex: 1; min-width: 0; }
.factor .f-name { font-size: 15px; font-weight: 600; color: var(--text); margin-bottom: 3px; }
.factor .f-desc { font-size: 14px; line-height: 1.55; color: var(--muted); }
.factor .f-desc strong { color: var(--text); font-weight: 500; }
/* ── Icon sprite sizing（与 design-system 一致） ── */
svg.ico { display: inline-block; width: 1em; height: 1em; vertical-align: -0.15em; flex-shrink: 0; line-height: 1; }
/* ══ app 内阅读器模式（?from=app · 从 PWA 指南 tab 进入）═══════════════
learn.js 给 加 .app-embed：隐藏营销 nav / footer / 面包屑，
顶部换「← 返回指南」bar。浏览器访客（无 ?from=app）完全不受影响。 */
html.app-embed nav,
html.app-embed #nav,
html.app-embed footer,
html.app-embed .breadcrumb { display: none !important; }
html.app-embed .page-hero { padding-top: 24px; }
#app-embed-bar {
position: sticky; top: 0; z-index: 200;
display: flex; align-items: center;
padding: calc(env(safe-area-inset-top, 0px) + 8px) max(16px, 4vw) 8px;
background: rgba(10,10,11,0.82);
backdrop-filter: blur(12px) saturate(180%);
-webkit-backdrop-filter: blur(12px) saturate(180%);
border-bottom: 1px solid var(--line);
}
#app-embed-back {
display: inline-flex; align-items: center; gap: 6px;
background: none; border: none; cursor: pointer; margin: 0;
color: var(--accent); font: inherit; font-size: 15px; font-weight: 500;
padding: 6px 8px; border-radius: 8px;
-webkit-tap-highlight-color: transparent;
}
#app-embed-back:hover { background: rgba(230,184,106,0.10); }
#app-embed-back svg { width: 20px; height: 20px; }
/* app-embed 字阶：把营销页 hero 大字收到 app 阅读密度（app 正文 ~14px / 区块标题 ≤ 20px）。
仅 .app-embed 生效，浏览器 SEO 页原样。 */
html.app-embed .page-hero { padding: 14px 0 18px; }
html.app-embed .page-hero h1 {
font-size: clamp(20px, 5.2vw, 24px); line-height: 1.26;
letter-spacing: -0.02em; margin: 10px 0 10px; max-width: none;
}
html.app-embed .page-hero .lead { font-size: clamp(14px, 3.7vw, 15px); line-height: 1.55; }
html.app-embed .hero-meta { margin-top: 14px; font-size: 11.5px; }
html.app-embed .article-layout { padding: 22px 0 28px; }
html.app-embed .prose > section { margin-bottom: 30px; }
html.app-embed .prose h2 { font-size: clamp(17px, 4.4vw, 19px); line-height: 1.28; margin-bottom: 12px; gap: 9px; }
html.app-embed .prose h2 .ix { width: 24px; height: 24px; font-size: 13px; border-radius: 7px; }
html.app-embed .prose h3 { font-size: 15px; margin: 20px 0 6px; }
html.app-embed .prose p, html.app-embed p { font-size: 14px; line-height: 1.6; }
html.app-embed .prose p { margin-bottom: 13px; }
html.app-embed .prose li { font-size: 14px; line-height: 1.62; }
html.app-embed .faq summary { font-size: 14px; padding: 15px 0; }
html.app-embed .faq .a { font-size: 13.5px; }
html.app-embed .callout .c-body { font-size: 13.5px; }
html.app-embed .scenario .s-line { font-size: 13.5px; }
html.app-embed .databox .kv .v { font-size: 16px; }
html.app-embed .cmp-table { font-size: 13px; }
html.app-embed .next-nav .nn-t { font-size: 14px; }
html.app-embed .cta-band { padding: 34px 0 40px; }
html.app-embed .cta-band h2 { font-size: clamp(18px, 4.6vw, 22px); }
html.app-embed .cta-band p { font-size: 14px; }
/* app-embed 底部 nav：复刻 app 的 5 tab（#nav-tabs 同款），让阅读器有 app 感。
⚠ 用 div（非