/* 由 website/build.mjs 从 src/ui/theme/palettes.ts 生成（默认主题），请勿手改。 */
:root{--paper:#F1F4F8;--surface:#FFFFFF;--surface-2:#F8F9FA;--neutral-soft:#F0F2F5;--ink:#172033;--ink-2:#373F50;--muted:#585E6C;--faint:#666D79;--hairline:#EFF1F4;--line:#E6E8EE;--control-border:#D4D8E2;--line-strong:#C8CEDA;--table-head:#F6F7F9;--table-group:#EDEFF3;--table-total:#F7F8FA;--on-table:#373F50;--row-alt:#FAFBFC;--scroll-thumb:#D1D6E0;--scroll-thumb-hover:#B6BDCD;--scheme:light;--backdrop:rgba(15, 23, 42, .36);--accent:#2457D6;--on-accent:#FFFFFF;--accent-hover:#1F4BB8;--accent-soft:#E9EEFB;--accent-tint:#F4F7FD;--accent-line:#B9C9F2;--accent-ink:#2457D6;--row-hover:#F5F7FD;--focus-ring:#2457D6;--table-rule:#C8CEDA;--rail:#FFFFFF;--rail-ink:#172033;--rail-text:#373F50;--rail-muted:#5D6370;--rail-hover:#EFEFF1;--rail-line:#E8E9EB;--rail-brand:#2457D6;--rail-active:#2457D6;--on-rail-active:#FFFFFF;--color-1:#2457D6;--color-1-soft:#E5EBFA;--color-1-ink:#2457D6;--color-2:#E8742F;--color-2-soft:#FCEEE6;--color-2-ink:#A25121;--color-3:#16A37B;--color-3-soft:#E3F4EF;--color-3-ink:#117A5C;--color-4:#7A5AF8;--color-4-soft:#EFEBFE;--color-4-ink:#6E51DF;--tone-good:#E5F4EA;--on-good:#17643A;--success-ink:#1B7A45;--good-line:#BFE3CB;--tone-warn:#FDF1D8;--on-warn:#8A5200;--warning-ink:#9E5F00;--warn-line:#F1D49A;--tone-bad:#FCE8E6;--on-bad:#B42318;--danger-ink:#C4321F;--bad-line:#F4C4BE;--danger-solid:#C4321F;--danger-solid-hover:#B42318;--on-danger-solid:#FFFFFF;--shadow-xs:0 1px 2px rgba(16, 24, 40, 0.05);--shadow-sm:0 1px 2px rgba(16, 24, 40, 0.04), 0 1px 3px rgba(16, 24, 40, 0.06);--shadow-md:0 6px 16px -4px rgba(16, 24, 40, 0.1), 0 2px 4px -2px rgba(16, 24, 40, 0.05);--shadow-lg:0 24px 48px -12px rgba(16, 24, 40, 0.24);--accent-shadow:0 1px 2px rgba(16, 24, 40, 0.12);--paper-image:none;--radius-sm:8px;--radius-control:10px;--radius:12px;--radius-lg:16px;--radius-xl:20px}
/*
 * 官网样式：与插件同一套美术风格——浅灰底、白卡片细边轻投影、一个强调色负责主操作与选中态、灰阶分层、状态色固定。
 * 颜色令牌由 build.mjs 从插件默认“商务蓝”主题生成并拼在本文件前面；这里只使用 var(--…)，不写死主题色。
 */
:root {
  --font: "Segoe UI Variable Text", "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", Consolas, monospace;
  --pill: 999px;
  --container: 1160px;
  font-family: var(--font); color: var(--ink); color-scheme: light;
  font-synthesis: none; text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased;
}
* { box-sizing: border-box; }
/* hidden 属性优先于组件的 display，避免“重新读取价格”这类按钮在不该出现时显示。 */
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; background: var(--paper); }
body { margin: 0; color: var(--ink-2); background: var(--paper); font-size: 16px; line-height: 1.65; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { color: var(--ink); letter-spacing: -.01em; }
h1 { font-size: 46px; font-weight: 700; line-height: 1.25; letter-spacing: -.02em; }
h2 { font-size: 30px; font-weight: 650; line-height: 1.35; }
h3 { font-size: 17px; font-weight: 650; line-height: 1.45; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }
button:disabled { cursor: not-allowed; }
ul, ol { margin: 0; padding: 0; list-style: none; }
code { font-family: var(--mono); }
:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; }
::selection { color: var(--ink); background: var(--accent-soft); }
.icon { flex: none; }
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 32px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; }
.skip-link { position: absolute; top: -48px; left: 16px; z-index: 50; padding: 8px 14px; border-radius: var(--radius-control); color: var(--on-accent); background: var(--accent); }
.skip-link:focus { top: 12px; }
.muted { color: var(--muted); }
.small-text { color: var(--muted); font-size: 13px; line-height: 1.6; }

/* ---------- 品牌：与插件相同的四方块标记 ---------- */
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); white-space: nowrap; }
.brand-mark svg { display: block; }
.brand-mark .b1 { fill: var(--accent); }
.brand-mark .b2 { fill: var(--color-2); }
.brand-text strong { display: flex; align-items: flex-start; gap: 3px; font-size: 21px; font-weight: 700; letter-spacing: -.02em; line-height: 1.15; }
.brand-text strong i { width: 5px; height: 5px; margin-top: 3px; border-radius: 50%; background: var(--accent); }
.brand-text small { display: block; margin-top: 2px; color: var(--muted); font-size: 10px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; }

/* ---------- 按钮、链接、标签：同插件 ts-button / ts-chip ---------- */
.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 10px 18px;
  border: 1px solid var(--control-border); border-radius: var(--radius-control); color: var(--ink-2); background: var(--surface);
  box-shadow: var(--shadow-xs); font-size: 15px; font-weight: 600; line-height: 1.2; white-space: nowrap;
  transition: background-color .15s, border-color .15s, color .15s; }
.button:hover { color: var(--ink); border-color: var(--line-strong); background: var(--surface-2); }
.button-primary { color: var(--on-accent); border-color: var(--accent); background: var(--accent); box-shadow: var(--accent-shadow); }
.button-primary:hover { color: var(--on-accent); border-color: var(--accent-hover); background: var(--accent-hover); }
.button-small { min-height: 36px; padding: 7px 14px; font-size: 14px; }
.button:disabled, .button[aria-disabled="true"] { color: var(--faint); border-color: var(--line); background: var(--surface-2); box-shadow: none; }
.full-width { width: 100%; }
.text-link { display: inline-flex; align-items: center; gap: 6px; padding: 0; border: 0; color: var(--accent-ink); background: none; font-size: 15px; font-weight: 600;
  text-decoration: underline; text-decoration-color: transparent; text-underline-offset: 4px; transition: text-decoration-color .15s; }
.text-link:hover { text-decoration-color: currentColor; }
.text-link .icon { transition: transform .15s; }
.text-link:hover .icon-arrow { transform: translateX(2px); }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: var(--pill); color: var(--ink-2); background: var(--neutral-soft); font-size: 12.5px; font-weight: 600; line-height: 1.5; white-space: nowrap; }
.chip-accent { color: var(--accent-ink); background: var(--accent-soft); }
.chip-warn { color: var(--on-warn); background: var(--tone-warn); }
.chip-good { color: var(--on-good); background: var(--tone-good); }
.card > .chip, .data-explainer .chip, .price-card .chip { justify-self: start; }
.chip-warn::before, .chip-good::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.icon-button { display: inline-grid; place-items: center; width: 40px; height: 40px; padding: 0; border: 1px solid var(--line); border-radius: var(--radius-control);
  color: var(--ink-2); background: var(--surface); box-shadow: var(--shadow-xs); }
.icon-button:hover { color: var(--ink); border-color: var(--line-strong); background: var(--surface-2); }
.eyebrow { display: block; margin-bottom: 10px; color: var(--accent-ink); font-size: 13px; font-weight: 600; letter-spacing: .02em; }

/* ---------- 卡片、提示 ---------- */
.card { min-width: 0; padding: 24px 26px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow-sm); }
.notice { padding: 14px 16px; border: 1px solid var(--accent-line); border-radius: var(--radius); color: var(--ink-2); background: var(--accent-tint); font-size: 14px; line-height: 1.6; }
.notice strong { display: block; margin-bottom: 2px; color: var(--ink); }
.notice-warn { border-color: var(--warn-line); background: var(--tone-warn); }
.notice-warn strong { color: var(--on-warn); }
.icon-tile { display: inline-grid; place-items: center; flex: none; width: 42px; height: 42px; border-radius: 50%; color: var(--color-1-ink); background: var(--color-1-soft); }
.icon-tile.c2 { color: var(--color-2-ink); background: var(--color-2-soft); }
.icon-tile.c3 { color: var(--color-3-ink); background: var(--color-3-soft); }
.icon-tile.c4 { color: var(--color-4-ink); background: var(--color-4-soft); }
.check-list { display: grid; gap: 10px; }
.check-list li { display: flex; align-items: flex-start; gap: 10px; color: var(--ink-2); font-size: 15px; }
.check-list .icon { margin-top: 3px; color: var(--success-ink); }

/* ---------- 页头 ---------- */
.site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid var(--line); background: var(--surface); }
.header-inner { display: flex; align-items: center; gap: 14px; min-height: 68px; }
.preview-label { margin-right: auto; }
#main-nav { display: flex; align-items: center; gap: 4px; }
#main-nav > a:not(.button) { padding: 8px 12px; border-radius: var(--radius-sm); color: var(--ink-2); font-size: 15px; font-weight: 500; }
#main-nav > a:not(.button):hover { color: var(--ink); background: var(--surface-2); }
#main-nav > a[aria-current="page"] { color: var(--accent-ink); font-weight: 600; }
#main-nav .account-link { margin-left: 10px; }
.menu-toggle { display: none; }

/* ---------- 首页首屏：文字 + 与插件一致的工作台示意 ---------- */
.hero { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); align-items: center; gap: 48px; padding: 72px 32px 64px; }
.hero-figure { min-width: 0; margin: 0; }
.hero h1 { font-size: 40px; }
.hero-copy > .chip { margin-bottom: 18px; }
.hero-copy > p { max-width: 30em; margin-top: 20px; color: var(--ink-2); font-size: 17.5px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 24px; color: var(--muted); font-size: 14px; }
.hero-points li { display: inline-flex; align-items: center; gap: 6px; }
.hero-points .icon { color: var(--success-ink); }
.app { display: grid; grid-template-columns: 124px minmax(0, 1fr); overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--paper); box-shadow: var(--shadow-md); font-size: 12px; line-height: 1.45; }
.app-rail { display: grid; align-content: start; gap: 2px; padding: 14px 8px; border-right: 1px solid var(--rail-line); background: var(--rail); }
.app-rail .brand { margin: 0 6px 14px; gap: 7px; }
.app-rail .brand-mark svg { width: 22px; height: 22px; }
.app-rail .brand-text strong { font-size: 15px; }
.app-rail .brand-text small { display: none; }
.app-rail span { display: flex; align-items: center; gap: 7px; padding: 6px 8px; white-space: nowrap; border-radius: var(--radius-sm); color: var(--rail-muted); font-weight: 500; }
.app-rail span.active { color: var(--on-rail-active); background: var(--rail-active); box-shadow: var(--accent-shadow); font-weight: 600; }
.app-main { display: grid; gap: 10px; min-width: 0; padding: 14px; }
.app-title { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.app-title strong { color: var(--ink); font-size: 18px; font-weight: 700; }
.app-tabs { display: inline-flex; gap: 2px; padding: 3px; border: 1px solid var(--line); border-radius: var(--radius-control); background: var(--surface); box-shadow: var(--shadow-xs); justify-self: start; }
.app-tabs span { padding: 4px 10px; border-radius: 6px; color: var(--muted); }
.app-tabs span.active { color: var(--on-accent); background: var(--accent); font-weight: 600; }
.app-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.app-stat { min-width: 0; padding: 10px 11px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow-xs); }
.app-stat span { display: flex; align-items: center; gap: 6px; color: var(--muted); }
.app-stat span i { width: 6px; height: 6px; border-radius: 50%; background: var(--color-1); }
.app-stat:nth-child(2) span i { background: var(--color-2); }
.app-stat:nth-child(3) span i { background: var(--color-3); }
.app-stat strong { display: block; margin: 2px 0; color: var(--ink); font-size: 20px; font-weight: 700; font-variant-numeric: tabular-nums; }
.app-stat small { display: block; overflow: hidden; color: var(--muted); text-overflow: ellipsis; white-space: nowrap; }
.app-card { padding: 12px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow-xs); }
.app-card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.app-card-head strong { color: var(--ink); font-size: 13px; }
.figure-caption { margin-top: 12px; color: var(--muted); font-size: 13px; text-align: center; }

/* ---------- 数据表：与插件 DataTable 同一套规则（分组线、数字右对齐、判断用标签、合计加粗） ---------- */
.data-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.data { width: 100%; min-width: 420px; border-collapse: separate; border-spacing: 0; font-size: 13.5px; line-height: 1.45; }
.app .data { min-width: 0; font-size: 11.5px; }
.data th, .data td { height: 40px; padding: 8px 14px; border-bottom: 1px solid var(--hairline); text-align: left; white-space: nowrap; vertical-align: middle; }
.app .data th, .app .data td { height: 30px; padding: 4px 8px; }
.app .badge { padding: 1px 7px 1px 6px; font-size: 11px; }
.data thead th { height: 36px; color: var(--muted); background: var(--table-head); border-bottom-color: var(--line); font-size: 12px; font-weight: 600; }
.data thead tr.groups th { height: 28px; padding-bottom: 0; border-bottom: 0; color: var(--ink-2); text-align: center; }
.data thead tr.groups th span { display: block; padding-bottom: 4px; border-bottom: 2px solid var(--table-rule); }
.data tbody th { color: var(--ink); font-weight: 500; }
.data td { color: var(--ink-2); }
.data .num { text-align: right; font-variant-numeric: tabular-nums; }
.data .edge { box-shadow: inset 1px 0 0 var(--line); }
.data tbody tr:last-child > * { border-bottom: 0; }
.data tbody tr:hover > * { background: var(--row-hover); }
.data tr.total > * { border-top: 1px solid var(--line-strong); color: var(--ink); background: var(--table-total); font-weight: 650; }
.delta i { margin-right: 3px; color: var(--faint); font-size: 8px; font-style: normal; vertical-align: 1px; }
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 2px 9px 2px 8px; border-radius: var(--pill); font-size: 12px; font-weight: 600; line-height: 1.5; }
.badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge.good { color: var(--on-good); background: var(--tone-good); }
.badge.warn { color: var(--on-warn); background: var(--tone-warn); }
.badge.bad { color: var(--on-bad); background: var(--tone-bad); }

/* ---------- 通用区块 ---------- */
.section { padding: 72px 0; }
.section-head { max-width: 40em; margin-bottom: 36px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head p { margin-top: 12px; color: var(--muted); font-size: 16.5px; }
.band { border-block: 1px solid var(--line); background: var(--surface); }
.audience { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 10px 14px; padding: 18px 32px; color: var(--muted); font-size: 14px; }

.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.feature { display: grid; align-content: start; gap: 10px; }
.feature p { color: var(--muted); font-size: 15px; }
.feature .tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }

.example-layout { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); align-items: start; gap: 48px; }
.example-copy > p { margin-top: 14px; color: var(--muted); font-size: 16px; }
.example-tabs { display: grid; gap: 8px; margin-top: 28px; }
.example-tabs button { display: flex; align-items: center; gap: 12px; width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius); color: var(--ink-2); background: var(--surface); text-align: left; font-size: 15px; font-weight: 500; transition: border-color .15s, background-color .15s; }
.example-tabs button:hover { border-color: var(--line-strong); }
.example-tabs button b { display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; color: var(--muted); background: var(--neutral-soft); font-size: 12.5px; }
.example-tabs button[aria-selected="true"] { border-color: var(--accent); color: var(--accent-ink); background: var(--accent-tint); box-shadow: 0 0 0 1px var(--accent); font-weight: 600; }
.example-tabs button[aria-selected="true"] b { color: var(--on-accent); background: var(--accent); }
.example-panel { display: grid; gap: 14px; }
/* 网格子项默认最小宽度是内容宽度，会被表格撑开；表格应在自己的容器里横向滚动。 */
.example-panel > *, #example-content { min-width: 0; }
#example-content { display: grid; gap: 12px; }
.example-panel h3 { margin-top: 2px; }
.context-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.example-foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; color: var(--muted); font-size: 13px; }

.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; counter-reset: step; }
.steps li { display: grid; align-content: start; gap: 8px; }
.step-number { display: inline-grid; place-items: center; width: 32px; height: 32px; margin-bottom: 4px; border-radius: 50%; color: var(--accent-ink); background: var(--accent-soft); font-size: 14px; font-weight: 700; }
.steps p { color: var(--muted); font-size: 15px; }
.section-foot { margin-top: 24px; }

.pricing-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 420px); align-items: center; gap: 56px; }
.pricing-copy .check-list { margin-top: 24px; }
.segmented { display: flex; gap: 4px; padding: 4px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface-2); }
.segmented button { flex: 1; min-height: 36px; padding: 6px 12px; border: 0; border-radius: var(--radius-sm); color: var(--muted); background: transparent; font-size: 14.5px; font-weight: 500; }
.segmented button:hover { color: var(--ink); }
.segmented button[aria-pressed="true"] { color: var(--on-accent); background: var(--accent); box-shadow: var(--accent-shadow); font-weight: 600; }
.price-card { display: grid; gap: 18px; }
.price-body { display: grid; gap: 6px; }
.price-body > p:first-child { color: var(--muted); font-size: 14px; font-weight: 600; }
.price-line { display: flex; align-items: baseline; gap: 4px; color: var(--ink); }
.price-line .currency { font-size: 22px; font-weight: 600; }
.price-line strong { font-size: 46px; font-weight: 700; line-height: 1.1; font-variant-numeric: tabular-nums; }
.price-line span:last-child { margin-left: 4px; color: var(--muted); font-size: 15px; }
.catalog-status { color: var(--muted); font-size: 13px; text-align: center; }
.price-card > .chip { justify-self: center; }

.trust-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.trust-grid .card { display: grid; align-content: start; gap: 10px; }
.trust-grid p { color: var(--muted); font-size: 15px; }

.faq-list { display: grid; gap: 10px; max-width: 820px; margin: 0 auto; }
.faq-list details { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow-xs); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px 18px; color: var(--ink); font-size: 16px; font-weight: 600; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary .icon { color: var(--muted); transition: transform .2s; }
.faq-list details[open] summary .icon { transform: rotate(180deg); }
.faq-list details p { padding: 0 18px 16px; color: var(--ink-2); font-size: 15px; }

.cta { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; padding: 28px 32px; border-radius: var(--radius-lg); color: var(--on-accent); background: var(--accent); box-shadow: var(--accent-shadow); }
.cta h2 { color: var(--on-accent); font-size: 24px; }
.cta p { margin-top: 4px; opacity: .88; }
.cta .button { color: var(--accent-ink); border-color: var(--surface); background: var(--surface); }

/* ---------- 页脚、对话框 ---------- */
.site-footer { margin-top: 72px; border-top: 1px solid var(--line); background: var(--surface); }
.footer-top { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 24px; padding: 28px 0 20px; }
.footer-top > p { color: var(--muted); font-size: 14px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 6px 20px; margin-left: auto; }
.footer-links a, .footer-links .text-link { color: var(--ink-2); font-size: 14px; font-weight: 500; }
.footer-links a:hover { color: var(--ink); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; padding: 16px 0 28px; border-top: 1px solid var(--hairline); color: var(--muted); font-size: 13px; }
dialog { width: min(520px, calc(100% - 32px)); padding: 24px 26px 26px; border: 1px solid var(--line); border-radius: var(--radius-xl); color: var(--ink-2); background: var(--surface); box-shadow: var(--shadow-lg); }
dialog::backdrop { background: var(--backdrop); }
.dialog-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.dialog-head h2 { font-size: 20px; }
dialog > p { font-size: 15px; }
.contact-steps { display: grid; gap: 8px; margin: 16px 0; counter-reset: contact; }
.contact-steps li { display: flex; align-items: center; gap: 10px; font-size: 14.5px; counter-increment: contact; }
.contact-steps li::before { content: counter(contact); display: inline-grid; place-items: center; flex: none; width: 24px; height: 24px; border-radius: 50%; color: var(--accent-ink); background: var(--accent-soft); font-size: 12.5px; font-weight: 700; }
dialog .notice { margin-bottom: 18px; }

/* ---------- 内页：面包屑、标题 ---------- */
.page-intro { padding: 40px 32px 32px; }
.breadcrumb { display: flex; gap: 8px; margin-bottom: 18px; color: var(--muted); font-size: 13.5px; }
.breadcrumb a:hover { color: var(--ink); }
.page-intro h1 { font-size: 38px; }
.page-intro > p { max-width: 46em; margin-top: 12px; color: var(--muted); font-size: 16.5px; }

/* 下载与安装 */
.download-layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; align-items: start; gap: 24px; }
.install-guide { display: grid; gap: 20px; }
.install-guide .segmented { max-width: 360px; }
.install-steps { display: grid; gap: 0; }
.install-steps > li { position: relative; display: grid; grid-template-columns: 32px minmax(0, 1fr); gap: 16px; padding-bottom: 26px; }
.install-steps > li:not(:last-child)::before { content: ''; position: absolute; top: 38px; bottom: 6px; left: 15.5px; width: 1px; background: var(--line); }
.install-steps h3 { margin-top: 4px; }
.install-steps p { margin-top: 4px; color: var(--muted); font-size: 15px; }
.copy-field { display: flex; align-items: center; gap: 8px; max-width: 440px; margin-top: 12px; padding: 6px 6px 6px 14px; border: 1px solid var(--control-border); border-radius: var(--radius-control); background: var(--surface-2); }
.copy-field code { flex: 1; color: var(--ink); font-size: 14px; }
.copy-feedback { display: block; min-height: 20px; margin-top: 6px; color: var(--success-ink); font-size: 13px; }
.setting-illustration { display: flex; align-items: center; gap: 12px; max-width: 440px; margin-top: 12px; padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius-control); background: var(--surface); font-size: 14px; }
.setting-illustration small { margin-left: auto; color: var(--faint); font-size: 12px; }
.toggle-illustration { position: relative; width: 36px; height: 20px; border-radius: var(--pill); background: var(--accent); }
.toggle-illustration::after { content: ''; position: absolute; top: 2px; right: 2px; width: 16px; height: 16px; border-radius: 50%; background: var(--surface); }
.release-card { position: sticky; top: 92px; display: grid; gap: 12px; }
.release-card h2 { font-size: 20px; }
.release-card p { color: var(--muted); font-size: 14.5px; }
.release-card hr { width: 100%; margin: 6px 0; border: 0; border-top: 1px solid var(--hairline); }
.release-card strong { color: var(--ink); font-size: 15px; }
.update-note { display: flex; gap: 16px; margin-top: 24px; }
.update-note p { margin-top: 6px; color: var(--muted); font-size: 15px; }
.update-note h2 { font-size: 20px; }
.download-faq { margin-top: 48px; }
.download-faq h2 { margin-bottom: 18px; font-size: 24px; text-align: center; }

/* 服务与数据说明 */
.legal-layout { display: grid; grid-template-columns: 200px minmax(0, 1fr); align-items: start; gap: 28px; }
.legal-nav { position: sticky; top: 92px; display: grid; gap: 2px; padding: 8px; }
.legal-nav a { padding: 8px 12px; border-radius: var(--radius-sm); color: var(--ink-2); font-size: 14.5px; }
.legal-nav a:hover { color: var(--ink); background: var(--surface-2); }
.legal-content { display: grid; gap: 18px; }
.legal-content section { display: grid; gap: 12px; }
.legal-content section > p { font-size: 15.5px; }
.legal-content h2 { font-size: 24px; }
.data-explainer { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.data-explainer > div { display: grid; gap: 6px; padding: 16px 18px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface-2); }
.data-explainer p { color: var(--muted); font-size: 14.5px; }
.legal-date { color: var(--muted); font-size: 13px; }

/* ---------- 响应式 ---------- */
@media (max-width: 1060px) {
  .hero, .example-layout, .pricing-layout { grid-template-columns: 1fr; gap: 36px; }
  .hero { padding-top: 48px; }
  .feature-grid, .trust-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .download-layout, .legal-layout { grid-template-columns: 1fr; }
  .release-card, .legal-nav { position: static; }
  .legal-nav { display: flex; flex-wrap: wrap; }
}
@media (max-width: 760px) {
  .container, .hero, .page-intro { padding-inline: 20px; }
  h1, .hero h1, .page-intro h1 { font-size: 30px; }
  /* 手机上首屏示意只留关键列，不需要横向滚动。 */
  .app .data tr.groups { display: none; }
  .app .data tr:not(.groups) > :nth-child(3) { display: none; }
  .app-stat small { display: none; }
  h2 { font-size: 25px; }
  .section { padding: 52px 0; }
  .header-inner { min-height: 60px; }
  .menu-toggle { display: inline-grid; }
  .preview-label { margin-right: 0; }
  .header-inner .brand { margin-right: auto; }
  #main-nav { position: absolute; top: 100%; right: 0; left: 0; display: none; flex-direction: column; align-items: stretch; gap: 2px; padding: 10px 20px 16px; border-bottom: 1px solid var(--line); background: var(--surface); box-shadow: var(--shadow-md); }
  #main-nav.is-open { display: flex; }
  #main-nav > a:not(.button) { padding: 12px; font-size: 16px; }
  #main-nav .account-link { margin: 8px 0 0; }
  .app { grid-template-columns: 1fr; }
  .app-rail { display: none; }
  .app-stats { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
  .app-stat strong { font-size: 16px; }
  .feature-grid, .trust-grid, .steps, .data-explainer { grid-template-columns: 1fr; }
  .hero-actions .button { flex: 1 1 100%; }
  .cta { padding: 24px 20px; }
  .cta .button { width: 100%; }
  .footer-links { margin-left: 0; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}