@charset "UTF-8";
:root{--wine:#7A1F2B;--gold:#C88A3D;--ink:#171719;--paper:#F5F2EE;--soft:#E9E3DC;--text:#252326;--muted:#716B68;--alert:#D94A3A;--line:#D7CFC7;--max:1180px;--read:760px;--radius:18px;--shadow:0 18px 60px rgba(23,23,25,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.78}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.skip-link{position:absolute;left:-9999px;top:0;background:#fff;padding:10px 14px;z-index:999}.skip-link:focus{left:10px}.site-header{position:sticky;top:0;z-index:50;background:rgba(23,23,25,.97);border-bottom:1px solid rgba(255,255,255,.08);backdrop-filter:blur(14px)}.header-inner{max-width:1280px;margin:auto;min-height:72px;padding:0 28px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:800;font-size:1.2rem;letter-spacing:.04em;white-space:nowrap}.brand img{width:36px;height:36px;object-fit:contain}.main-nav{display:flex;align-items:center;gap:6px;flex:1}.main-nav a{color:#d9d5d1;padding:10px 12px;border-radius:999px;font-size:.94rem}.main-nav a:hover,.main-nav a.is-active{color:#fff;background:rgba(122,31,43,.52)}.search-open,.menu-toggle{border:1px solid rgba(255,255,255,.18);background:transparent;color:#fff;padding:9px 13px;border-radius:999px}.menu-toggle{display:none}.section-wrap{width:min(var(--max),calc(100% - 48px));margin-inline:auto}.eyebrow{margin:0 0 10px;color:var(--wine);font-size:.78rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase}.lead{font-size:1.14rem;color:#4b4644;max-width:820px}.lead.narrow{max-width:880px}.front-lead{max-width:1280px;margin:0 auto;display:grid;grid-template-columns:1.1fr .9fr;min-height:610px}.front-copy{padding:88px 56px 64px 48px;display:flex;flex-direction:column;justify-content:center}.front-copy h1{font-size:clamp(2.55rem,5.6vw,5.4rem);line-height:1.02;letter-spacing:-.05em;margin:0 0 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0}.feature-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:38px}.feature-main{border-top:4px solid var(--wine)}.feature-main>img{width:100%;aspect-ratio:16/9;object-fit:cover;margin-bottom:20px}.feature-main h3{font-size:2rem;line-height:1.22;margin:.5rem 0}.feature-main p{color:var(--muted)}.feature-stack{border-left:1px solid var(--line);padding-left:32px}.story-row{display:flex;gap:18px;padding:20px 0;border-top:1px solid var(--line)}.story-thumb{flex:0 0 190px}.story-thumb img{width:100%;height:120px;object-fit:cover}.story-copy{min-width:0}.story-row h3{margin:6px 0 6px;font-size:1.16rem;line-height:1.42}.story-row h3 a:hover{color:var(--wine)}.story-row p{margin:0;color:var(--muted);font-size:.93rem}.meta-line{display:flex;align-items:center;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:.78rem}.status{display:inline-flex;padding:3px 8px;border-radius:999px;background:var(--soft);color:var(--wine);font-weight:800}.stream-shell{padding:84px 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li:before{content:"—";position:absolute;left:0;color:var(--wine)}.dark-strip{background:var(--ink);color:#f4eee8;padding:80px 0}.dark-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center}.dark-grid .eyebrow{color:#d9a25c}.dark-grid h2{font-size:2.7rem;line-height:1.15;margin:0 0 16px}.dark-grid p{color:#c5bdb6}.dark-grid img{width:100%;aspect-ratio:16/10;object-fit:cover}.method-section{padding:92px 0}.status-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line)}.status-grid article{padding:26px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.status-grid h3{margin:14px 0 8px}.status-grid p{color:var(--muted);font-size:.92rem}.auxiliary-note{padding:70px 0 100px;display:grid;grid-template-columns:1fr 1fr;gap:80px;border-top:1px solid var(--line)}.auxiliary-note h2{font-size:2.2rem;line-height:1.18}.aux-links{display:flex;flex-direction:column}.aux-links a{padding:18px 0;border-bottom:1px solid var(--line);font-weight:700}.page-head{padding:72px 0 42px}.page-head.with-image{display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:center}.page-head.with-image img{aspect-ratio:4/3;object-fit:cover;box-shadow:var(--shadow)}.breadcrumbs{display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:.82rem;color:var(--muted);margin-bottom:30px}.breadcrumbs a:hover{color:var(--wine)}.list-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:60px;padding-bottom:90px}.dense-list>.story-row:first-child{border-top:3px solid var(--ink)}.sticky-aside{position:sticky;top:102px;align-self:start;background:var(--soft);padding:22px}.sticky-aside img{margin:-22px -22px 18px;width:calc(100% + 44px);max-width:none;aspect-ratio:4/3;object-fit:cover}.sticky-aside h2{font-size:1rem}.sticky-aside a{display:block;padding:15px 0;border-top:1px solid #cfc5bc}.sticky-aside a strong,.sticky-aside a span{display:block}.sticky-aside a span{font-size:.82rem;color:var(--muted);margin-top:4px}.pagination{display:flex;flex-wrap:wrap;gap:8px;margin-top:32px}.pagination a,.pagination span{width:40px;height:40px;display:grid;place-items:center;border:1px solid var(--line);border-radius:8px}.pagination .current{background:var(--ink);color:#fff}.topic-directory{padding-bottom:100px}.topic-block{display:grid;grid-template-columns:100px 1fr;gap:32px;padding:34px 0;border-top:1px solid var(--line)}.topic-number{font-size:3rem;color:#b5aaa0;font-weight:800}.topic-block h2{font-size:2rem;margin:0}.topic-block p{max-width:780px}.muted{color:var(--muted)}.mini-links{display:flex;flex-wrap:wrap;gap:10px}.mini-links a{padding:7px 10px;background:var(--soft);font-size:.82rem;border-radius:7px}.timeline-list{padding-bottom:100px}.day-group{display:grid;grid-template-columns:180px 1fr;column-gap:40px;border-top:2px solid var(--ink)}.day-label{grid-row:1 / span 30;padding:22px 0;font-weight:800;color:var(--wine)}.verification-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding-bottom:90px}.verification-steps article{padding:28px;background:var(--soft);border-top:4px solid var(--wine)}.verification-steps span{font-weight:900;color:var(--gold)}.verification-steps h2{font-size:1.25rem}.verification-steps p{font-size:.9rem;color:var(--muted)}.prose-grid{display:grid;grid-template-columns:minmax(0,var(--read)) 320px;gap:70px;padding-bottom:90px}.prose-grid article h2,.prose h2{font-size:1.8rem;line-height:1.3;margin:2.2rem 0 .8rem}.prose-grid article h2:first-child,.prose h2:first-child{margin-top:0}.prose-grid article p,.prose p{font-size:1.03rem}.guide-aside{background:var(--ink);color:#eee;padding:22px;align-self:start}.guide-aside img{margin:-22px -22px 20px;width:calc(100% + 44px);max-width:none;aspect-ratio:4/3;object-fit:cover}.guide-aside p{color:#c9c1bb}.guide-aside 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p{font-size:1.05rem;line-height:1.95}.article-side{align-self:start;position:sticky;top:100px}.side-box{padding:20px 0;border-top:3px solid var(--ink)}.side-box h2{font-size:1rem}.side-box p{color:var(--muted);font-size:.86rem}.tags{display:flex;flex-wrap:wrap;gap:6px}.tags span{padding:5px 8px;background:var(--soft);font-size:.78rem}.takeaway{background:var(--soft);padding:28px}.takeaway ul{margin-bottom:0}.related-zone{background:#ece6df;padding:72px 0}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:0 28px}.search-modal{position:fixed;inset:0;z-index:200}.search-modal[hidden]{display:none!important}.search-backdrop{position:absolute;inset:0;background:rgba(23,23,25,.72)}.search-panel{position:relative;width:min(680px,calc(100% - 30px));margin:12vh auto;background:var(--paper);padding:36px;box-shadow:var(--shadow)}.search-close{position:absolute;right:14px;top:10px;background:transparent;border:0;font-size:2rem}.search-form label{font-size:.85rem;font-weight:800}.search-line{display:flex;margin-top:8px}.search-line input{flex:1;min-width:0;padding:13px 14px;border:1px solid #b9afa7;background:#fff}.search-line button{border:0;background:var(--wine);color:#fff;padding:0 20px;font-weight:800}.search-form.inline{max-width:720px;margin-top:26px}.empty-state{padding:60px 0}.faq-list{padding-bottom:100px}.faq-list details{border-top:1px solid var(--line)}.faq-list details:last-child{border-bottom:1px solid var(--line)}.faq-list summary{list-style:none;padding:22px 48px 22px 0;font-weight:900;font-size:1.08rem;cursor:pointer;position:relative}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";position:absolute;right:8px;font-size:1.4rem;color:var(--wine)}.faq-list details[open] summary:after{content:"−"}.faq-list details div{max-width:820px;padding:0 0 20px;color:var(--muted)}.prose{max-width:850px;padding-bottom:100px}.not-found{min-height:65vh;display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}.not-found h1{font-size:clamp(2.6rem,6vw,5.5rem);line-height:1.05;margin:0}.not-found img{width:100%;aspect-ratio:4/3;object-fit:cover}.site-footer{background:var(--ink);color:#ddd5cf;padding:62px 28px 24px}.footer-grid{max-width:var(--max);margin:auto;display:grid;grid-template-columns:1.3fr .8fr .8fr;gap:70px}.footer-grid h2{color:#fff;font-size:1rem}.footer-grid p{color:#aaa29c;max-width:520px}.footer-grid a{display:block;padding:6px 0;color:#cfc7c1;font-size:.9rem}.footer-grid a:hover{color:#fff}.footer-bottom{max-width:var(--max);margin:44px auto 0;padding-top:18px;border-top:1px solid #343436;display:flex;justify-content:space-between;gap:20px;color:#837d78;font-size:.82rem}.back-top{position:fixed;right:22px;bottom:22px;width:44px;height:44px;border:0;border-radius:50%;background:var(--wine);color:#fff;box-shadow:var(--shadow);opacity:0;pointer-events:none;transform:translateY(12px);transition:.2s}.back-top.is-visible{opacity:1;pointer-events:auto;transform:none}code{background:var(--soft);padding:2px 5px;border-radius:4px}.no-scroll{overflow:hidden}
@media(max-width:1024px){.main-nav{position:absolute;left:20px;right:20px;top:64px;background:var(--ink);padding:14px;display:none;flex-direction:column;align-items:stretch;border:1px solid #343436}.main-nav.is-open{display:flex}.menu-toggle{display:inline-flex;margin-left:auto}.search-open{margin-left:0}.front-lead,.feature-grid,.editorial-split,.dark-grid,.auxiliary-note,.page-head.with-image,.not-found{grid-template-columns:1fr}.front-copy{padding:64px 40px}.front-visual{min-height:420px}.stream-grid,.list-layout{grid-template-columns:minmax(0,1fr) 280px;gap:34px}.status-grid,.verification-steps{grid-template-columns:1fr 1fr}.prose-grid,.article-body-layout{grid-template-columns:1fr}.guide-aside,.article-side{position:static}.article-side{display:grid;grid-template-columns:1fr 1fr;gap:20px}.page-head.with-image img{max-height:420px;width:100%;object-fit:cover}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid section:first-child{grid-column:1/-1}}
@media(max-width:768px){.header-inner{padding:0 18px;gap:10px;min-height:64px}.brand span{display:none}.section-wrap{width:min(100% - 30px,var(--max))}.front-copy{padding:54px 20px}.front-copy h1{font-size:3rem}.front-visual{min-height:330px}.headline-band,.method-section{padding:64px 0}.stream-shell{padding:60px 0}.stream-grid,.list-layout{grid-template-columns:1fr}.topic-rail,.sticky-aside{position:static}.editorial-split{padding:70px 0;gap:30px}.dark-strip{padding:60px 0}.status-grid,.verification-steps{grid-template-columns:1fr}.auxiliary-note{padding:58px 0 70px;gap:24px}.page-head{padding:52px 0 30px}.page-head h1{font-size:2.5rem}.topic-block{grid-template-columns:60px 1fr}.topic-number{font-size:2rem}.day-group{grid-template-columns:1fr}.day-label{grid-row:auto;padding:18px 0 4px}.glossary dl,.two-col{grid-template-columns:1fr}.article-page{padding-top:38px}.article-header h1{font-size:2.55rem}.article-body p{font-size:1rem}.article-side{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr;gap:30px}.footer-grid section:first-child{grid-column:auto}.footer-bottom{flex-direction:column}.story-thumb{flex-basis:128px}.story-thumb img{height:92px}}
@media(max-width:600px){.search-open{font-size:0;width:40px;height:40px;padding:0}.search-open:after{content:"⌕";font-size:1.4rem}.front-copy h1{font-size:2.55rem}.lead{font-size:1.02rem}.feature-stack{border-left:0;padding-left:0}.feature-main h3{font-size:1.55rem}.story-row{gap:12px}.story-thumb{flex-basis:104px}.story-thumb img{height:78px}.story-row p{display:none}.story-row h3{font-size:1rem}.meta-line{font-size:.7rem}.editorial-split h2,.dark-grid h2{font-size:2rem}.search-panel{padding:28px 20px}.search-line{flex-direction:column}.search-line button{padding:12px}.topic-block{grid-template-columns:1fr;gap:4px}.topic-number{font-size:1rem}.article-header h1{font-size:2.2rem}.article-cover{margin-bottom:34px}.article-body h2{font-size:1.55rem}}
@media(max-width:375px){.header-inner{padding:0 12px}.section-wrap{width:calc(100% - 24px)}.front-copy{padding:44px 14px}.front-copy h1{font-size:2.2rem}.front-visual{min-height:280px}.story-thumb{display:none}.primary-link{width:100%;justify-content:center}.lead-links{align-items:stretch}.search-modal .search-panel{margin-top:8vh}}