:root{--ink:#101923;--muted:#5d6873;--paper:#f5f2ea;--white:#fff;--navy:#0b2036;--amber:#e3a62f;--cyan:#4a9bb0;--line:#d8d4ca;--radius:18px;--shadow:0 18px 60px rgba(11,32,54,.1)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.75}a{color:inherit;text-decoration:none}img{max-width:100%}.wrap{width:min(1180px,calc(100% - 40px));margin-inline:auto}.skip{position:fixed;left:16px;top:-80px;z-index:99;background:#fff;padding:10px 16px}.skip:focus{top:16px}.site-header{position:sticky;top:0;z-index:30;background:rgba(245,242,234,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(16,25,35,.12)}.nav{height:78px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:42px;height:42px;display:grid;place-items:center;background:var(--navy);color:#fff;border-radius:50% 50% 8px 50%;font:800 13px/1 Arial;letter-spacing:.08em}.brand b,.brand small{display:block}.brand b{font-size:18px;letter-spacing:.04em}.brand small{font:700 10px/1.4 Arial;color:var(--muted);letter-spacing:.18em}.nav nav{display:flex;gap:30px;align-items:center}.nav nav a{font-size:14px;font-weight:700;color:#394552;position:relative}.nav nav a:after{content:"";position:absolute;left:0;right:100%;bottom:-9px;height:2px;background:var(--amber);transition:.25s}.nav nav a:hover:after,.nav nav a.active:after{right:0}.menu{display:none;border:1px solid var(--line);background:transparent;border-radius:8px;padding:8px 12px}.hero{min-height:680px;display:grid;grid-template-columns:1.25fr .75fr;gap:80px;align-items:center;padding-block:70px}.eyebrow{font:800 12px/1.4 Arial;letter-spacing:.2em;color:#a36c00}.hero h1,.page-intro h1{margin:20px 0 22px;font-family:Georgia,"Noto Serif SC",serif;font-weight:700;line-height:1.08;letter-spacing:-.03em}.hero h1{font-size:clamp(48px,6.7vw,86px)}.hero h1 em{font-style:normal;color:var(--cyan)}.hero-lead{font-size:20px;max-width:660px;color:#46525e}.hero-actions{display:flex;align-items:center;gap:24px;margin:34px 0}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border-radius:999px;font-weight:800}.btn.primary{background:var(--navy);color:#fff}.btn.primary:hover{background:#133e62}.btn.text{border-bottom:1px solid var(--ink);border-radius:0;padding-inline:0}.signal-strip{display:flex;gap:34px;margin:45px 0 0}.signal-strip div{border-left:1px solid var(--line);padding-left:16px}.signal-strip dt{font:800 25px/1 Arial}.signal-strip dd{margin:5px 0 0;color:var(--muted);font-size:13px}.evidence-card{background:var(--navy);color:#fff;border-radius:28px;padding:28px;transform:rotate(1.6deg);box-shadow:var(--shadow);position:relative}.evidence-card:before{content:"";position:absolute;inset:12px;border:1px solid rgba(255,255,255,.15);border-radius:20px}.evidence-card>*{position:relative}.card-top{display:flex;justify-content:space-between;font:700 11px/1 Arial;letter-spacing:.14em}.card-top b{color:var(--amber)}.evidence-card h2{font:700 34px/1.25 Georgia,"Noto Serif SC",serif;margin:52px 0 32px}.evidence-card ul{list-style:none;margin:0;padding:0;border-top:1px solid rgba(255,255,255,.2)}.evidence-card li{display:flex;justify-content:space-between;gap:20px;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.2);font-size:13px}.evidence-card li span{color:#aebdca}.evidence-card p{color:#aebdca;font-size:12px;margin:24px 0 0}.manifesto{background:var(--amber);padding:72px 0}.manifesto-grid{display:grid;grid-template-columns:1fr 1fr;gap:90px}.section-no{font:800 11px/1 Arial;letter-spacing:.18em}.manifesto h2,.section-head h2,.two-col h2,.faq h2{font:700 38px/1.25 Georgia,"Noto Serif SC",serif;margin:14px 0 0}.manifesto p{margin:30px 0 0;font-size:18px;font-weight:600}.section{padding-block:100px}.section-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:38px}.section-head>a{font-size:13px;font-weight:800;border-bottom:1px solid}.dimension-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.dimension{background:#fff;border:1px solid transparent;border-radius:var(--radius);padding:26px;min-height:220px;transition:.25s}.dimension:hover{border-color:var(--amber);transform:translateY(-4px)}.dimension>div{display:flex;justify-content:space-between;font:800 11px/1 Arial;letter-spacing:.12em}.dimension>div b{color:#a36c00}.dimension h3{font-size:23px;margin:48px 0 10px}.dimension p{font-size:14px;color:var(--muted);margin:0}.workflow{background:var(--navy);color:#fff;padding:95px 0}.section-head.inverse{color:#fff}.workflow ol{list-style:none;margin:0;padding:0;border-top:1px solid rgba(255,255,255,.2)}.workflow li{display:grid;grid-template-columns:90px 1fr;padding:25px 0;border-bottom:1px solid rgba(255,255,255,.2)}.workflow li>span{font:700 16px/1 Arial;color:var(--amber)}.workflow h3{margin:0 0 5px;font-size:23px}.workflow p{margin:0;color:#afbecd}.article-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.article-card{background:#fff;border-radius:var(--radius);padding:30px;min-height:295px;display:flex;flex-direction:column}.meta{font:700 11px/1.5 Arial;letter-spacing:.08em;color:#8a5c00;text-transform:uppercase}.article-card h3{font:700 25px/1.35 Georgia,"Noto Serif SC",serif;margin:18px 0 12px}.article-card>p:not(.meta){color:var(--muted);font-size:14px}.card-link{font-weight:800;font-size:13px;margin-top:auto}.faq{background:#ded9cd;padding:95px 0}.faq-grid{display:grid;grid-template-columns:.55fr 1fr;gap:90px}.faq details{border-top:1px solid #aaa59b}.faq details:last-child{border-bottom:1px solid #aaa59b}.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px;padding:20px 0;font-weight:800}.faq summary::-webkit-details-marker{display:none}.faq summary span{font-size:20px}.faq details[open] summary span{transform:rotate(45deg)}.faq details p{color:#4e5862;margin:0 0 22px}.inner{padding-block:85px 110px}.page-intro{max-width:920px;margin-bottom:65px}.page-intro.compact{max-width:760px}.page-intro h1{font-size:clamp(42px,5vw,66px)}.page-intro>p{font-size:18px;color:var(--muted);max-width:760px}.filter-note{display:grid;grid-template-columns:180px 1fr;background:var(--navy);color:#fff;padding:22px 26px;border-radius:12px;margin-bottom:32px}.filter-note span{color:#c2ced8}.article-list{border-top:2px solid var(--ink)}.article-list article{display:grid;grid-template-columns:70px 1fr 40px;gap:20px;padding:30px 0;border-bottom:1px solid var(--line);align-items:start}.article-index{font:800 16px/1 Arial;color:#9d7a33}.article-list h2{font:700 27px/1.35 Georgia,"Noto Serif SC",serif;margin:8px 0}.article-list article p:last-child{color:var(--muted);margin:0}.arrow{font-size:25px}.rubric-board{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.rubric-board article{display:grid;grid-template-columns:80px 1fr;background:#fff;border-radius:var(--radius);padding:26px}.rubric-code{font:800 28px/1 Arial;color:var(--amber)}.rubric-board p{margin:0;color:#936400;font-size:12px;font-weight:800}.rubric-board h2{margin:6px 0;font-size:24px}.rubric-board span{color:var(--muted);font-size:14px}.plain-section{background:#fff;padding:90px 0}.two-col{display:grid;grid-template-columns:.65fr 1fr;gap:90px}.prose p{font-size:17px;margin:0 0 24px}.guide-stack{border-top:2px solid var(--ink)}.guide-stack article{display:grid;grid-template-columns:100px 1fr;gap:20px;padding:35px 0;border-bottom:1px solid var(--line)}.guide-stack article>span{font:800 28px/1 Arial;color:var(--amber)}.guide-stack h2{font-size:27px;margin:0 0 8px}.guide-stack p{color:var(--muted);font-size:16px;max-width:820px;margin:0}.read-next{margin-top:55px;background:var(--amber);padding:38px;border-radius:var(--radius)}.read-next span{font:800 11px/1 Arial;letter-spacing:.15em}.read-next h2{font:700 32px/1.3 Georgia,"Noto Serif SC",serif;margin:12px 0}.read-next a{font-weight:800}.text-document{max-width:880px;margin:auto}.text-document header{padding-bottom:40px;border-bottom:2px solid var(--ink)}.text-document h1{font:700 62px/1.1 Georgia,"Noto Serif SC",serif;margin:20px 0}.text-document header p{color:var(--muted)}.text-document section{display:grid;grid-template-columns:70px 1fr;padding:32px 0;border-bottom:1px solid var(--line)}.text-document section span{font:800 12px/1 Arial;color:#a36c00}.text-document section p{font-size:17px;margin:0}.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.contact-grid section{background:#fff;padding:26px;border-radius:var(--radius);overflow-wrap:anywhere}.contact-grid section>span{font:800 11px/1 Arial;color:#a36c00;letter-spacing:.14em}.contact-grid h2{font-size:22px;line-height:1.4;margin:24px 0 10px}.contact-grid p{font-size:13px;color:var(--muted)}.submission{margin-top:18px;background:var(--navy);color:#fff;padding:36px;border-radius:var(--radius)}.submission h2{margin-top:0}.submission ol{display:grid;grid-template-columns:repeat(2,1fr);gap:12px 40px;color:#c2ced8}.article-shell{display:grid;grid-template-columns:minmax(0,780px) 280px;gap:70px;padding-block:65px 110px}.crumb{font-size:12px;color:var(--muted);display:flex;gap:8px;flex-wrap:wrap}.article-body header{padding:38px 0 30px}.article-body h1{font:700 clamp(40px,5vw,60px)/1.18 Georgia,"Noto Serif SC",serif;margin:14px 0 20px}.article-lead{font-size:20px;color:#46525e}.evidence-note{display:grid;grid-template-columns:100px 1fr;background:#fff7df;border-left:4px solid var(--amber);padding:18px 20px;margin:15px 0 30px;font-size:14px}.article-body>section{display:grid;grid-template-columns:58px 1fr;gap:20px;padding:30px 0;border-top:1px solid var(--line)}.section-marker{font:800 13px/1 Arial;color:#a36c00}.article-body section h2{font:700 29px/1.35 Georgia,"Noto Serif SC",serif;margin:0 0 12px}.article-body section p{font-size:17px;line-height:2;margin:0}.article-foot{border-top:2px solid var(--ink);padding-top:26px;margin-top:25px}.article-foot p{color:var(--muted);font-size:13px}.article-foot a{font-weight:800}.article-aside{padding-top:90px}.article-aside>div{background:var(--navy);color:#fff;border-radius:var(--radius);padding:24px;position:sticky;top:104px}.article-aside span{font:800 10px/1 Arial;letter-spacing:.15em;color:var(--amber)}.article-aside b{display:block;font-size:30px;margin:30px 0 12px}.article-aside p{font-size:13px;color:#bdc9d3}.article-aside nav{display:grid;margin-top:16px}.article-aside nav a{border-top:1px solid rgba(255,255,255,.18);padding:12px 0;font-size:13px}.not-found{padding-block:140px;min-height:65vh}.not-found>span{font:800 12px/1 Arial;color:#a36c00;letter-spacing:.15em}.not-found h1{font:700 55px/1.2 Georgia,"Noto Serif SC",serif}.not-found p{color:var(--muted);margin-bottom:28px}.site-footer{background:#071625;color:#fff;padding:70px 0 22px}.footer-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:50px}.footer-brand .brand-mark{background:var(--amber);color:#071625}.footer-grid>div:first-child p{color:#9eafbd;font-size:13px;max-width:300px}.footer-grid>div:not(:first-child){display:grid;align-content:start;gap:10px}.footer-grid>div>b{margin-bottom:10px;color:var(--amber)}.footer-grid a{font-size:13px}.copyright{display:flex;justify-content:space-between;border-top:1px solid rgba(255,255,255,.15);margin-top:50px;padding-top:20px;color:#899ba9;font-size:11px}@media(max-width:900px){.nav nav{display:none;position:absolute;top:78px;left:0;right:0;background:var(--paper);padding:20px;flex-direction:column;align-items:start;border-bottom:1px solid var(--line)}.nav nav.open{display:flex}.menu{display:block}.hero{grid-template-columns:1fr;min-height:auto;gap:30px;padding-block:55px}.evidence-card{transform:none}.manifesto-grid,.faq-grid,.two-col,.article-shell{grid-template-columns:1fr;gap:35px}.dimension-grid{grid-template-columns:repeat(2,1fr)}.article-aside{display:none}.contact-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}@media(max-width:620px){.wrap{width:min(100% - 28px,1180px)}.hero h1{font-size:46px}.hero-lead{font-size:17px}.signal-strip{gap:14px}.signal-strip dd{font-size:11px}.manifesto,.section,.workflow,.faq{padding-block:65px}.manifesto h2,.section-head h2,.two-col h2,.faq h2{font-size:31px}.dimension-grid,.article-grid,.rubric-board{grid-template-columns:1fr}.filter-note{grid-template-columns:1fr;gap:8px}.article-list article{grid-template-columns:38px 1fr}.article-list .arrow{display:none}.page-intro h1,.text-document h1{font-size:40px}.guide-stack article{grid-template-columns:52px 1fr}.article-body>section{grid-template-columns:1fr}.section-marker{padding-bottom:4px}.evidence-note{grid-template-columns:1fr;gap:5px}.submission ol{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.copyright{flex-direction:column;gap:6px}}