/* =========================================================
   Bennett · 个人网站
   设计参考 GitHub 上的 AstroPaper（satnaing/astro-paper）
   和 astro-theme-typography（moeyua）：单栏、文字优先、少装饰。
   底色米色，强调色取头像头盔的砖红，辅色取球衣藏青。
   ========================================================= */
:root {
  --bg: #f6f1e7;
  --bg-2: #efe8da;
  --card: #fbf8f2;
  --ink: #2b2620;
  --ink-2: #5b5349;
  --ink-3: #8c8274;
  --line: #ddd3c2;
  --accent: #b5452f;
  --navy: #2d3a5e;
  --mustard: #c99a3b;
  --sans: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --serif: "Songti SC", "STSong", "Noto Serif SC", "Source Han Serif SC", Georgia, serif;
  --mono: ui-monospace, "SF Mono", Menlo, monospace;
  --wrap: 880px;
  --radius: 10px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--sans); font-size: 16px; line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration-color: var(--line); text-underline-offset: 3px; }
a:hover { color: var(--accent); text-decoration-color: currentColor; }
::selection { background: rgba(181, 69, 47, .18); }
code { font-family: var(--mono); font-size: .9em; background: var(--bg-2); padding: 1px 6px; border-radius: 4px; }

.wrap { width: min(var(--wrap), calc(100% - 40px)); margin: 0 auto; }
.muted { color: var(--ink-3); }
.red { color: var(--accent); }
.navy { color: var(--navy); }
/* 旧页面里的强调写法，统一成克制的样式 */
.hand { font: inherit; }
.mark { box-shadow: inset 0 -.35em 0 rgba(201, 154, 59, .28); }
.circle { color: var(--accent); font-weight: 700; }

/* ---------- 顶栏 ---------- */
.topbar { border-bottom: 1px solid var(--line); background: var(--bg); position: sticky; top: 0; z-index: 50; }
.topbar .wrap { display: flex; align-items: center; height: 64px; gap: 20px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand img { width: 32px; height: 32px; border-radius: 50%; object-fit: cover; background: #fff; border: 1px solid var(--line); }
.brand b { font-size: 18px; letter-spacing: .01em; }
.brand small { display: none; }
.nav { display: flex; gap: 4px; margin-left: auto; }
.nav a { text-decoration: none; padding: 6px 12px; font-size: 15px; color: var(--ink-2); border-radius: 6px; }
.nav a:hover { color: var(--ink); background: var(--bg-2); }
.nav a.active { color: var(--accent); font-weight: 600; }
.menu-btn { display: none; margin-left: auto; background: none; border: 1px solid var(--line); border-radius: 6px; padding: 4px 10px; font-size: 16px; cursor: pointer; color: var(--ink); }

/* ---------- 按钮 / 标签 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; font: inherit; font-size: 14px; font-weight: 600;
  border: 1px solid var(--ink); border-radius: 6px; background: transparent; color: var(--ink); text-decoration: none; cursor: pointer;
  transition: background .15s, color .15s;
}
.btn:hover { background: var(--ink); color: var(--bg); }
.btn.red { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.red:hover { background: #9c3a27; color: #fff; }
.btn.navy { background: var(--navy); border-color: var(--navy); color: #fff; }
.btn.mustard { border-color: var(--mustard); }
.btn.sm { padding: 5px 12px; font-size: 13px; }

.tag { display: inline-block; font-size: 12px; color: var(--ink-3); border: 1px solid var(--line); border-radius: 4px; padding: 0 7px; line-height: 1.7; background: transparent; font-weight: 500; }
.tag.red { color: var(--accent); border-color: rgba(181,69,47,.35); }
.tag.navy { color: var(--navy); border-color: rgba(45,58,94,.3); }
.tag.mustard { color: #8f6a1f; border-color: rgba(201,154,59,.45); }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.note { background: var(--bg-2); border-radius: 8px; padding: 14px 18px; }
.num-badge { color: var(--ink-3); font-family: var(--mono); font-size: 14px; margin-right: 8px; }
.stamp { display: inline-block; color: var(--accent); font-weight: 700; font-size: 14px; white-space: nowrap; }

/* ---------- 区块 ---------- */
section { padding: 56px 0; }
.sec-head { margin-bottom: 24px; display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; }
.sec-head .kicker { font-size: 13px; color: var(--ink-3); letter-spacing: .08em; }
.sec-head h2 { margin: 2px 0 0; font-family: var(--serif); font-size: 26px; line-height: 1.35; font-weight: 700; }
.sec-head p { margin: 6px 0 0; color: var(--ink-2); max-width: 560px; font-size: 15px; }
hr.sep { border: 0; border-top: 1px solid var(--line); margin: 0; }

/* ---------- 首页 ---------- */
.intro { padding: 64px 0 40px; }
.intro .who { display: flex; align-items: center; gap: 18px; margin-bottom: 26px; }
.intro .who img { width: 76px; height: 76px; border-radius: 50%; object-fit: cover; background: #fff; border: 1px solid var(--line); }
.intro .who b { display: block; font-size: 22px; line-height: 1.3; }
.intro .who span { color: var(--ink-3); font-size: 14px; }
.intro h1 { font-family: var(--serif); font-size: clamp(28px, 4.2vw, 38px); line-height: 1.45; margin: 0 0 18px; font-weight: 700; }
.intro p { margin: 0 0 12px; color: var(--ink-2); font-size: 17px; max-width: 680px; }
.links { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 20px; font-size: 15px; }
.links a { text-decoration: none; color: var(--ink-2); border-bottom: 1px solid var(--line); }
.links a:hover { color: var(--accent); border-color: var(--accent); }

.list { list-style: none; margin: 0; padding: 0; }
.list li { padding: 18px 0; border-bottom: 1px solid var(--line); }
.list li:first-child { padding-top: 4px; }
.list a.t { font-size: 18px; font-weight: 600; text-decoration: none; color: var(--ink); }
.list a.t:hover { color: var(--accent); }
.list .m { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; font-size: 13px; color: var(--ink-3); margin: 4px 0 2px; }
.list p { margin: 4px 0 0; color: var(--ink-2); font-size: 15px; }

.areas { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.area { display: block; text-decoration: none; padding: 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); transition: border-color .15s; }
.area:hover { border-color: var(--ink-3); color: inherit; }
.area .n { font-family: var(--mono); font-size: 13px; color: var(--accent); }
.area h3 { margin: 6px 0 6px; font-size: 18px; }
.area p { margin: 0; font-size: 14px; color: var(--ink-2); line-height: 1.7; }
.more-link { font-size: 14px; color: var(--ink-3); text-decoration: none; }
.more-link:hover { color: var(--accent); }

/* ---------- 页面头 ---------- */
.page-head { padding: 56px 0 8px; }
.page-head .crumb { font-size: 13px; color: var(--ink-3); letter-spacing: .08em; }
.page-head h1 { font-family: var(--serif); font-size: clamp(28px, 4vw, 36px); line-height: 1.4; margin: 6px 0 12px; }
.page-head h1 br { display: none; }
.page-head p { color: var(--ink-2); font-size: 16px; max-width: 680px; margin: 0; }

.subnav { position: sticky; top: 64px; z-index: 40; background: var(--bg); border-bottom: 1px solid var(--line); }
.subnav .wrap { display: flex; gap: 2px; overflow-x: auto; scrollbar-width: none; }
.subnav a { flex: none; text-decoration: none; font-size: 14px; color: var(--ink-3); padding: 12px 10px; border-bottom: 2px solid transparent; }
.subnav a:hover { color: var(--ink); }
.subnav a.on { color: var(--accent); border-color: var(--accent); }

/* ---------- 量化工具页 ---------- */
.quick, .feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.quick .card h3, .feature h3 { margin: 8px 0 6px; font-size: 17px; }
.quick .card p, .feature p { margin: 0 0 14px; color: var(--ink-2); font-size: 14px; line-height: 1.7; }
/* 三个入口：线性图标代替表情 */
.entries { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.entry { display: flex; flex-direction: column; text-decoration: none; padding: 22px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); transition: border-color .15s, transform .15s; }
.entry:hover { color: inherit; border-color: var(--ink-3); transform: translateY(-2px); }
.entry-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.ico { width: 38px; height: 38px; border-radius: 9px; display: grid; place-items: center; border: 1px solid rgba(201,154,59,.45); color: #8f6a1f; background: rgba(201,154,59,.08); }
.ico.red { border-color: rgba(181,69,47,.35); color: var(--accent); background: rgba(181,69,47,.06); }
.ico.navy { border-color: rgba(45,58,94,.3); color: var(--navy); background: rgba(45,58,94,.06); }
.ico svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.ico svg .dot { fill: currentColor; }
.entry h3 { margin: 0 0 6px; font-size: 18px; }
.entry p { margin: 0 0 18px; color: var(--ink-2); font-size: 14px; line-height: 1.75; flex: 1; }
.entry .go { font-size: 14px; font-weight: 600; color: var(--ink); }
.entry .go i { font-style: normal; display: inline-block; transition: transform .15s; }
.entry:hover .go { color: var(--accent); }
.entry:hover .go i { transform: translateX(3px); }

.flow { counter-reset: fl; list-style: none; margin: 24px 0 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); overflow: hidden; }
.flow li { counter-increment: fl; padding: 14px 16px; border-right: 1px solid var(--line); }
.flow li:last-child { border-right: 0; }
.flow li b { display: block; font-size: 15px; color: var(--ink); }
.flow li b::before { content: counter(fl, decimal-leading-zero); font-family: var(--mono); font-size: 12px; font-weight: 400; color: var(--accent); margin-right: 8px; }
.flow li span { font-size: 13px; color: var(--ink-3); }
.flow .f { padding: 14px 16px; border-right: 1px solid var(--line); }
.flow .f:last-child { border-right: 0; }
.flow .f b { display: block; font-size: 15px; color: var(--ink); }
.flow .f span { font-size: 13px; color: var(--ink-3); }
div.flow { margin: 0; grid-template-columns: repeat(3, 1fr); }
.flow-note { margin: 12px 0 0; text-align: center; font-size: 14px; color: var(--ink-3); }

.aside-note { padding: 18px 20px; border: 1px dashed var(--line); border-radius: 8px; font-size: 14px; color: var(--ink-2); }
.aside-note > b { display: block; color: var(--ink); font-size: 15px; margin-bottom: 6px; }
.aside-note p { margin: 0; font-size: 14px; }
.aside-note ul { margin: 0; padding-left: 18px; font-size: 14px; }

/* 费用 */
.plans { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.plan { padding: 18px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
.plan.hot { border-color: var(--accent); box-shadow: inset 0 3px 0 var(--accent); }
.plan-h { display: flex; flex-direction: column; gap: 2px; }
.plan-h b { font-size: 15px; }
.plan-h .price { font-family: var(--serif); font-size: 28px; font-weight: 700; line-height: 1.3; }
.plan-h .price small { font-family: var(--sans); font-size: 13px; font-weight: 400; color: var(--ink-3); }
.plan .yr { font-size: 12px; color: var(--ink-3); }
.plan ul { list-style: none; margin: 12px 0 0; padding: 12px 0 0; border-top: 1px solid var(--line); font-size: 13px; color: var(--ink-2); line-height: 1.9; }
.plan ul b { color: var(--ink); }
.cost-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 12px; }
.cost-box { padding: 18px 20px; background: var(--bg-2); border-radius: var(--radius); }
.cost-box h3 { margin: 0 0 8px; font-size: 16px; }
.cost-box p { margin: 0; font-size: 14px; color: var(--ink-2); }
.cost-box p.muted { color: var(--ink-3); font-size: 12px; margin-top: 6px; }
table.mini { font-size: 14px; }
table.mini td { padding: 6px 0 !important; border-bottom: 1px solid var(--line) !important; }
table.mini td:nth-child(2) { font-family: var(--mono); font-size: 13px; }
table.mini td:last-child { text-align: right; }
.pick { margin-top: 20px; padding: 18px 22px; border-left: 3px solid var(--navy); background: var(--card); border-radius: 0 8px 8px 0; }
.pick h3 { margin: 0 0 4px; font-size: 16px; }
.pick ul { margin: 0; padding-left: 20px; color: var(--ink-2); font-size: 15px; }
.fine { margin: 16px 0 0; font-size: 13px; color: var(--ink-3); line-height: 1.8; }
.cta { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-top: 40px; }
.cta .btn { padding: 11px 22px; font-size: 15px; }

.steps { counter-reset: s; display: grid; gap: 0; border-top: 1px solid var(--line); }
.step { display: grid; grid-template-columns: 36px minmax(0,1fr) minmax(0,1fr); gap: 24px; padding: 28px 0; border-bottom: 1px solid var(--line); align-items: start; }
.step::before { counter-increment: s; content: counter(s, decimal-leading-zero); font-family: var(--mono); color: var(--accent); font-size: 15px; padding-top: 4px; }
.step.plain { grid-template-columns: minmax(0,1fr) minmax(0,1fr); border: 0; padding: 0; }
.step.plain::before { display: none; }
.step h3 { margin: 0 0 8px; font-size: 18px; }
.step p { margin: 0 0 10px; color: var(--ink-2); font-size: 15px; }
.step ol, .step ul { margin: 0 0 6px; padding-left: 20px; color: var(--ink-2); font-size: 15px; }
.step li { margin: 3px 0; }
.step .tip { margin-top: 10px; font-size: 14px; color: var(--ink-2); padding: 10px 14px; background: var(--bg-2); border-radius: 6px; }
.step .tip b { color: var(--ink); }

.shot { border: 1px solid var(--line); border-radius: 8px; background: var(--card); overflow: hidden; }
.shot .bar { display: flex; gap: 5px; padding: 7px 10px; border-bottom: 1px solid var(--line); }
.shot .bar i { width: 8px; height: 8px; border-radius: 50%; background: var(--line); }
.shot .body { padding: 12px; font-size: 13px; }
.shot .ph { display: grid; place-items: center; text-align: center; min-height: 150px; color: var(--ink-3); font-size: 13px; padding: 16px; }
.mock-row { display: flex; align-items: center; gap: 8px; padding: 7px 4px; border-bottom: 1px solid var(--line); }
.mock-row .av { width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font-size: 11px; background: var(--bg-2); flex: none; }
.mock-row .nm { flex: 1; font-weight: 600; }
.mock-row .up { color: #3d6b47; font-family: var(--mono); font-size: 12px; }
.mock-btn { font-size: 11px; padding: 0 7px; border: 1px solid var(--accent); color: var(--accent); border-radius: 4px; }
.mock-btn.ghost { border-color: var(--line); color: var(--ink-3); }

.shot img { width: 100%; display: block; cursor: zoom-in; }
.lightbox { position: fixed; inset: 0; z-index: 100; display: none; flex-direction: column; align-items: center; justify-content: center; gap: 10px; padding: 24px; background: rgba(30, 26, 21, .88); cursor: zoom-out; }
.lightbox.show { display: flex; }
.lightbox img { max-width: min(1200px, 100%); max-height: calc(100vh - 90px); border-radius: 8px; box-shadow: 0 10px 40px rgba(0,0,0,.4); }
.lightbox p { margin: 0; color: #e9e1d2; font-size: 13px; }
figure.shot { margin: 0; }
.shot figcaption { padding: 6px 10px; font-size: 12px; color: var(--ink-3); border-top: 1px solid var(--line); }
.shot .ph { border: 1px dashed var(--line); border-radius: 6px; margin: 10px; min-height: 140px; }

.map { display: grid; grid-template-columns: repeat(5, 1fr); border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); overflow: hidden; }
.map-item { padding: 16px 18px; border-right: 1px solid var(--line); }
.map-item:last-child { border-right: 0; }
.map-h .ix { font-weight: 700; font-size: 16px; padding-bottom: 6px; display: inline-block; border-bottom: 2px solid var(--accent); }
.map-item ul { list-style: none; margin: 10px 0; padding: 0; font-size: 14px; line-height: 1.9; color: var(--ink); }
.map-item p { margin: 0; font-size: 13px; color: var(--ink-3); line-height: 1.6; }

.aside-box { margin-top: 24px; padding: 18px 22px; background: var(--bg-2); border-radius: var(--radius); }
.aside-box h3 { margin: 0 0 6px; font-size: 16px; }
.aside-box p { margin: 0; font-size: 15px; color: var(--ink-2); }

.defs { margin: 0; }
.defs dt { font-weight: 700; font-size: 15px; margin-top: 14px; }
.defs dt:first-child { margin-top: 0; }
.defs dd { margin: 2px 0 0; color: var(--ink-2); font-size: 14px; }
.tpl .cnt { font-family: var(--mono); font-size: 12px; color: var(--ink-3); font-weight: 400; }
.table-wrap { border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); overflow-x: auto; }
.table-wrap table { min-width: 560px; }
.table-wrap tr:last-child td { border-bottom: 0 !important; }
.table-wrap th { font-weight: 500; font-size: 13px; color: var(--ink-3); }
.warn > b { color: var(--accent); }

.tpl-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.tpl { padding: 14px 16px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); }
.tpl h4 { margin: 0 0 6px; font-size: 15px; }
.tpl ul { margin: 0; padding-left: 16px; font-size: 13px; color: var(--ink-2); line-height: 1.8; }
.tpl .rec { color: var(--accent); }

.warn { padding: 18px 22px; border-left: 3px solid var(--accent); background: var(--card); border-radius: 0 8px 8px 0; }
.warn ul { margin: 6px 0 0; padding-left: 20px; color: var(--ink-2); }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
table th, table td { padding: 10px 14px !important; text-align: left; border-bottom: 1px solid var(--line) !important; border-top: 0 !important; }
table thead tr { background: transparent !important; color: var(--ink-3) !important; }

/* ---------- 文章列表 ---------- */
.filter { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 8px; }
.filter button { font: inherit; font-size: 14px; padding: 4px 12px; border: 1px solid var(--line); border-radius: 999px; background: transparent; color: var(--ink-2); cursor: pointer; }
.filter button.on { background: var(--ink); border-color: var(--ink); color: var(--bg); }
.posts { display: grid; gap: 0; }
.post { display: grid; grid-template-columns: 200px 1fr; gap: 22px; padding: 22px 0; text-decoration: none; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; background: transparent; }
.post.card { padding: 22px 0; }
.post:hover h3 { color: var(--accent); }
.post .cover { position: relative; aspect-ratio: 16/10; border-radius: 6px; overflow: hidden; background: var(--bg-2); }
.post .cover img { width: 100%; height: 100%; object-fit: cover; }
.post .cover .dur { position: absolute; right: 6px; bottom: 6px; background: rgba(0,0,0,.65); color: #fff; font-size: 11px; padding: 0 6px; border-radius: 4px; }
.post .in { display: flex; flex-direction: column; gap: 4px; }
.post .meta { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; font-size: 13px; color: var(--ink-3); }
.post h3 { margin: 0; font-size: 18px; line-height: 1.5; transition: color .15s; }
.post p { margin: 0; font-size: 14px; color: var(--ink-2); }
.post .more { font-size: 13px; color: var(--ink-3); }

/* ---------- 文章正文 ---------- */
.article-head { padding: 56px 0 24px; }
.article-head .wrap { max-width: 720px; }
.article-head .meta { display: flex; gap: 8px; flex-wrap: wrap; font-size: 13px; color: var(--ink-3); margin-bottom: 12px; }
.article-head h1 { font-family: var(--serif); font-size: clamp(28px, 4.4vw, 40px); line-height: 1.35; margin: 0 0 8px; }
.article-head h1 br { display: none; }
.article-head .sub { font-size: 18px; color: var(--ink-2); }
.article-layout { display: grid; grid-template-columns: minmax(0, 720px) 180px; gap: 48px; justify-content: center; padding-bottom: 40px; width: min(1000px, calc(100% - 40px)); }
.article-layout .toc { order: 2; }
.toc { position: sticky; top: 96px; align-self: start; font-size: 13px; }
.toc b { display: block; font-size: 12px; color: var(--ink-3); letter-spacing: .08em; margin-bottom: 8px; font-weight: 500; }
.toc a { display: block; text-decoration: none; padding: 4px 0; color: var(--ink-3); line-height: 1.5; }
.toc a:hover, .toc a.on { color: var(--accent); }
.prose { font-size: 17px; line-height: 1.95; }
.prose h2 { font-family: var(--serif); font-size: 24px; margin: 52px 0 16px; line-height: 1.45; scroll-margin-top: 84px; }
.prose h2 .no { font-family: var(--mono); color: var(--accent); font-size: 15px; font-weight: 400; margin-right: 10px; vertical-align: 3px; }
.prose h3 { font-size: 18px; margin: 28px 0 8px; }
.prose p { margin: 0 0 1.1em; }
.prose strong { font-weight: 700; box-shadow: inset 0 -.35em 0 rgba(201, 154, 59, .25); }
.prose blockquote { margin: 1.5em 0; padding: 4px 0 4px 20px; border-left: 3px solid var(--accent); color: var(--ink-2); font-family: var(--serif); }
.prose blockquote p:last-child { margin: 0; }
.prose ul, .prose ol { padding-left: 1.4em; margin: 0 0 1.2em; }
.prose li { margin: .3em 0; }
.prose figure { margin: 1.8em 0; }
.prose figure img { border-radius: 8px; width: 100%; border: 1px solid var(--line); }
.prose figcaption { margin-top: 8px; text-align: center; font-size: 13px; color: var(--ink-3); }
.prose .calc { margin: 1.5em 0; padding: 18px 22px; background: var(--card); border: 1px solid var(--line); border-radius: 8px; font-family: var(--mono); font-size: 15px; line-height: 2; }
.prose .calc .ans { color: var(--accent); font-weight: 700; }
.prose .timeline { list-style: none; padding: 0; margin: 0 0 1.4em; border-left: 1px solid var(--line); }
.prose .timeline li { position: relative; padding: 0 0 12px 20px; margin: 0; }
.prose .timeline li::before { content: ""; position: absolute; left: -4px; top: 12px; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.prose .timeline time { font-family: var(--mono); font-size: 14px; color: var(--accent); margin-right: 8px; }
.prose .grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 1.2em 0; }
.prose .grid2 > div { padding: 14px 16px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); font-size: 15px; line-height: 1.7; }
.prose .grid2 h4 { margin: 0 0 4px; font-size: 16px; }
.prose .note { font-size: 14px; }
.video-box { margin: 0 0 2em; border-radius: 8px; overflow: hidden; background: #000; aspect-ratio: 16/9; }
.video-box iframe { width: 100%; height: 100%; border: 0; display: block; }
.end-card { margin-top: 44px; display: grid; grid-template-columns: 64px 1fr; gap: 18px; align-items: center; }
.end-card img { width: 64px; height: 64px; border-radius: 50%; object-fit: cover; background: #fff; border: 1px solid var(--line); }
.end-card h4 { margin: 0 0 2px; font-size: 17px; }
.end-card p { margin: 0 0 10px; color: var(--ink-2); font-size: 14px; }

/* ---------- 返佣 ---------- */
.rebates { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.rebate .logo { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 700; }
.rebate .logo i { width: 32px; height: 32px; border-radius: 8px; display: grid; place-items: center; font-style: normal; color: #fff; font-size: 15px; }
.rebate .big { font-size: 30px; font-weight: 700; color: var(--accent); margin: 14px 0 0; line-height: 1.2; }
.rebate ul { padding-left: 18px; margin: 12px 0 16px; color: var(--ink-2); font-size: 14px; }
.code-box { display: flex; align-items: center; gap: 12px; padding: 10px 14px; margin-bottom: 14px; border: 1px dashed var(--ink-3); border-radius: 8px; }
.code-box span { font-size: 13px; color: var(--ink-3); }
.code-box code { flex: 1; font-size: 17px; font-weight: 700; background: none; letter-spacing: .06em; }
.faq details { border-bottom: 1px solid var(--line); padding: 14px 0; }
.faq summary { font-weight: 600; cursor: pointer; }
.faq details p { margin: 8px 0 0; color: var(--ink-2); font-size: 15px; }

/* ---------- 页脚 ---------- */
.footer { margin-top: 48px; border-top: 1px solid var(--line); color: var(--ink-3); font-size: 14px; }
.footer .wrap { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 24px; padding: 36px 0 24px; }
.footer h5 { margin: 0 0 8px; font-size: 13px; color: var(--ink-2); font-weight: 600; }
.footer a { display: block; text-decoration: none; padding: 2px 0; }
.footer .sig { color: var(--ink); font-size: 15px; font-weight: 600; }
.footer .risk { grid-column: 1 / -1; border-top: 1px solid var(--line); padding-top: 16px; font-size: 12px; line-height: 1.8; }

/* ---------- 动效 ---------- */
.reveal { opacity: 0; transform: translateY(8px); transition: opacity .5s ease, transform .5s ease; }
.reveal.in { opacity: 1; transform: none; }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); opacity: 0; background: var(--ink); color: var(--bg); padding: 8px 16px; border-radius: 6px; font-size: 14px; transition: opacity .2s; z-index: 99; pointer-events: none; }
.toast.show { opacity: 1; }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .quick, .feature-grid, .areas { grid-template-columns: 1fr 1fr; }
  .tpl-grid { grid-template-columns: repeat(3, 1fr); }
  .plans { grid-template-columns: 1fr 1fr; }
  .entries { grid-template-columns: 1fr; }
  .flow { grid-template-columns: repeat(3, 1fr); }
  .flow li { border-bottom: 1px solid var(--line); }
  .map { grid-template-columns: repeat(3, 1fr); }
  .map-item { border-bottom: 1px solid var(--line); }
  .step { grid-template-columns: 32px 1fr; }
  .step .shot { grid-column: 2; }
  .step.plain { grid-template-columns: 1fr; }
  .step.plain .shot { grid-column: auto; }
  .article-layout { grid-template-columns: minmax(0, 1fr); }
  .toc { display: none; }
  .footer .wrap { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .menu-btn { display: block; }
  .nav { display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; padding: 8px 20px 14px; background: var(--bg); border-bottom: 1px solid var(--line); }
  .nav.open { display: flex; }
  .quick, .feature-grid, .areas, .rebates, .tpl-grid, .prose .grid2 { grid-template-columns: 1fr; }
  .flow, .map { grid-template-columns: 1fr 1fr; }
  .flow li, .flow .f { border-right: 0; border-bottom: 1px solid var(--line); }
  div.flow { grid-template-columns: 1fr; }
  .plans, .cost-grid { grid-template-columns: 1fr; }
  .post { grid-template-columns: 1fr; gap: 12px; }
  .step { grid-template-columns: 1fr; gap: 10px; }
  .step .shot { grid-column: auto; }
  .footer .wrap { grid-template-columns: 1fr; }
  section { padding: 44px 0; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}