:root{--brand:#8B1E3F;--rose:#B86A7C;--dark:#211A1D;--bg:#F7F4F5;--soft:#EEE8EA;--text:#2C2729;--muted:#746B6F;--accent:#D94A5D;--line:#ded4d7;--white:#fff;--radius:18px;--shadow:0 14px 40px rgba(61,34,43,.08);--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.72}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}button,input{font:inherit}.shell{width:min(calc(100% - 40px),var(--max));margin-inline:auto}.narrow{max-width:860px}.skip-link{position:absolute;left:16px;top:-80px;background:var(--white);padding:10px 14px;z-index:100;border-radius:8px}.skip-link:focus{top:12px}.site-header{background:var(--dark);color:#fff;position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.08)}.header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:flex;align-items:center;gap:11px}.brand-mark{width:40px;height:40px;border-radius:12px;background:var(--brand);display:grid;place-items:center;font-weight:900}.brand strong,.brand small{display:block}.brand small{color:#c9bdc1;font-size:12px;margin-top:1px}.primary-nav{display:flex;gap:6px}.primary-nav a{padding:9px 13px;border-radius:9px;color:#e6dfe1}.primary-nav a:hover,.primary-nav a[aria-current=page]{background:rgba(255,255,255,.09);color:#fff}.menu-toggle{display:none;border:1px solid rgba(255,255,255,.22);background:transparent;color:#fff;border-radius:9px;padding:8px 11px}.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:58px;align-items:center;padding-block:64px 52px}.eyebrow{margin:0 0 9px;color:var(--brand);font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.hero h1,.page-intro h1,.article-body h1{font-size:clamp(38px,5vw,66px);line-height:1.08;letter-spacing:-.04em;margin:0 0 22px}.lead,.article-deck{font-size:19px;color:var(--muted);max-width:740px}.button-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.button{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:11px 18px;font-weight:750;border:1px solid transparent;cursor:pointer}.button.primary{background:var(--brand);color:#fff}.button.primary:hover{background:#741832}.button.secondary{border-color:#cbbdc2;background:transparent}.button.secondary:hover{background:var(--soft)}.button.full{width:100%;margin-top:18px}.hero-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:30px}.hero-tags span,.story-meta span,.chip{background:var(--soft);border:1px solid #e4dadd;border-radius:999px;padding:5px 10px;font-size:12px;color:#675d61}.hero-media{margin:0;background:var(--dark);border-radius:28px;overflow:hidden;box-shadow:var(--shadow)}.hero-media img{aspect-ratio:1.38;object-fit:cover;width:100%}.hero-media figcaption{color:#ddd2d5;padding:14px 18px;font-size:13px}.stream-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:42px;padding-block:30px 72px}.section-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:20px}.section-head h2{font-size:30px;margin:0;line-height:1.2}.text-link{color:var(--brand);font-weight:750}.story-list{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.story-card{background:#fff;padding:24px}.story-card h3{font-size:22px;line-height:1.35;margin:8px 0}.story-card h3 a:hover,.index-row h2 a:hover{color:var(--brand)}.story-card p{margin:0 0 12px;color:var(--muted)}.story-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted)}.story-meta span{padding:2px 8px;color:var(--brand);font-weight:750}.rail{display:grid;align-content:start;gap:18px}.rail-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}.rail-card.dark{background:var(--dark);color:#fff;border-color:var(--dark)}.rail-card.dark .eyebrow{color:#d99bad}.rail-card h2,.rail-card h3{margin:0 0 13px}.rail-card ol{padding-left:20px;color:#ddd2d5}.rail-card img{border-radius:12px;margin-bottom:18px;aspect-ratio:1.55;object-fit:cover}.band{background:var(--soft);padding-block:64px}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.feature-grid article{background:rgba(255,255,255,.66);border:1px solid #ded4d7;padding:22px;border-radius:16px}.feature-grid h3{font-size:18px;line-height:1.35}.feature-grid p{color:var(--muted);font-size:14px}.index-no{font-size:12px;font-weight:800;color:var(--brand)}.topic-strip{display:flex;justify-content:space-between;align-items:center;gap:50px;padding-block:64px}.topic-strip>div{max-width:760px}.topic-strip h2{font-size:30px;margin:0 0 10px}.page-space{padding-block:52px 78px}.page-intro{margin-bottom:38px}.split-intro{display:grid;grid-template-columns:1fr 420px;gap:48px;align-items:center}.split-intro img{border-radius:22px;aspect-ratio:1.6;object-fit:cover}.filter-chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}.chip{cursor:pointer;padding:8px 13px}.chip.is-active{background:var(--dark);color:#fff;border-color:var(--dark)}.content-index{border-top:1px solid var(--line)}.index-row{display:grid;grid-template-columns:70px 1fr 46px;gap:20px;align-items:start;padding:27px 0;border-bottom:1px solid var(--line)}.index-date{width:55px;background:var(--soft);border-radius:12px;text-align:center;padding:6px}.index-date span,.index-date strong{display:block}.index-date span{font-size:11px;color:var(--muted)}.index-date strong{font-size:20px}.index-row h2{font-size:22px;margin:8px 0 6px;line-height:1.35}.index-row p{color:var(--muted);margin:0}.row-arrow{width:40px;height:40px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center}.topic-nav{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:0 0 34px}.topic-nav a{background:#fff;border:1px solid var(--line);border-radius:15px;padding:18px}.topic-nav a[aria-current=page]{border-color:var(--brand);box-shadow:0 0 0 2px rgba(139,30,63,.08)}.topic-nav strong,.topic-nav span{display:block}.topic-nav span{color:var(--muted);font-size:13px;margin-top:5px}.masonry-list{columns:2;column-gap:16px}.story-card.compact{break-inside:avoid;border:1px solid var(--line);border-radius:15px;margin-bottom:16px}.article-layout{display:grid;grid-template-columns:minmax(0,760px) 300px;gap:64px}.breadcrumb{font-size:13px;color:var(--muted);display:flex;gap:8px;margin-bottom:24px}.article-body h1{font-size:clamp(36px,4.6vw,58px);margin-top:12px}.article-prose{font-size:18px}.article-prose p{margin:0 0 24px}.article-prose h2{font-size:27px;margin:42px 0 16px}.callout{background:var(--soft);border-left:4px solid var(--brand);padding:18px 20px;margin-top:36px}.callout p{margin:5px 0 0}.sticky-card{position:sticky;top:102px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px}.sticky-card h2{margin:0 0 12px}.sticky-card>a:not(.button){display:block;border-top:1px solid var(--line);padding:14px 0}.sticky-card>a span,.sticky-card>a strong{display:block}.sticky-card>a span{font-size:11px;color:var(--muted)}.sticky-card>a strong{font-size:14px;line-height:1.4;margin-top:4px}.search-form{background:var(--soft);padding:20px;border-radius:16px;margin-bottom:40px}.search-form label{display:block;font-weight:800;margin-bottom:8px}.search-form>div{display:flex;gap:10px}.search-form input{flex:1;border:1px solid #cfc2c6;background:#fff;border-radius:999px;padding:11px 16px;min-width:0}.search-results{margin-top:26px}.empty-state{background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px}.notice{background:#fff4d6;padding:12px 16px;border-radius:10px}.error-page{min-height:58vh;padding-block:90px}.site-footer{background:var(--dark);color:#e9e0e3;padding-block:44px 24px}.footer-grid{display:grid;grid-template-columns:1fr auto;gap:40px}.footer-grid p{color:#bfb0b5;max-width:620px}.footer-grid nav{display:grid;grid-template-columns:repeat(2,auto);gap:6px 20px;align-content:start}.footer-grid nav a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:30px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#a9989e;font-size:12px}:focus-visible{outline:3px solid var(--accent);outline-offset:3px}@media(max-width:900px){.hero,.stream-layout,.split-intro,.article-layout{grid-template-columns:1fr}.hero{gap:30px;padding-top:40px}.hero-media{max-width:680px}.stream-layout{gap:28px}.rail{grid-template-columns:1fr 1fr}.feature-grid{grid-template-columns:repeat(2,1fr)}.split-intro img{max-width:580px}.article-aside{order:-1}.sticky-card{position:static}.topic-strip{align-items:flex-start}.masonry-list{columns:1}}@media(max-width:680px){.shell{width:min(calc(100% - 28px),var(--max))}.header-inner{height:68px}.menu-toggle{display:block}.primary-nav{display:none;position:absolute;left:14px;right:14px;top:68px;background:var(--dark);padding:10px;border-radius:0 0 14px 14px;box-shadow:var(--shadow);flex-direction:column}.primary-nav.is-open{display:flex}.hero h1,.page-intro h1,.article-body h1{font-size:38px}.lead,.article-deck{font-size:17px}.stream-layout{padding-bottom:48px}.rail{grid-template-columns:1fr}.feature-grid,.topic-nav{grid-template-columns:1fr}.topic-strip{flex-direction:column;gap:20px}.index-row{grid-template-columns:52px 1fr}.row-arrow{display:none}.page-space{padding-block:38px 58px}.search-form>div{flex-direction:column}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column}.masonry-list{columns:1}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}

.handbook-toc{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;margin:30px 0 46px}.handbook-toc strong{font-size:18px}.handbook-toc ol{columns:2;column-gap:34px;padding-left:22px}.handbook-toc li{break-inside:avoid;margin:7px 0}.handbook-toc a:hover{color:var(--brand)}.handbook-sections{display:grid;gap:52px}.handbook-sections section{scroll-margin-top:100px;border-top:1px solid var(--line);padding-top:30px}.handbook-sections h2{font-size:30px;line-height:1.25;margin:3px 0 16px}.handbook-sections>section>p:not(.chapter-no){font-size:17px}.chapter-no{color:var(--brand);font-weight:900;letter-spacing:.12em;margin:0}.action-box{background:var(--soft);border-radius:14px;padding:18px 20px;margin:20px 0}.action-box p{margin:5px 0 0}.handbook-end{margin-top:62px;background:var(--dark);color:#fff;border-radius:22px;padding:30px}.handbook-end h2{margin-top:0}.handbook-end p{color:#d8ccd0}.handbook-end .button.secondary{color:#fff;border-color:#76626a}@media(max-width:680px){.handbook-toc ol{columns:1}.handbook-sections{gap:38px}.handbook-sections h2{font-size:25px}}