:root{--red:#B93A32;--amber:#D98A3A;--ink:#252322;--paper:#FAF8F5;--soft:#F2EDE7;--body:#3B3836;--muted:#77716D;--accent:#E05A3F;--line:#DED6CF;--radius:18px;--shadow:0 14px 40px rgba(37,35,34,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--body);font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}a:hover{color:var(--red)}button,input,textarea{font:inherit}.shell{width:min(1180px,calc(100% - 40px));margin-inline:auto}.narrow{width:min(820px,calc(100% - 40px))}.skip-link{position:fixed;left:16px;top:-80px;background:var(--ink);color:white;padding:10px 14px;z-index:1000}.skip-link:focus{top:12px}.site-header{position:sticky;top:0;z-index:50;background:rgba(250,248,245,.94);border-bottom:1px solid rgba(222,214,207,.8);backdrop-filter:blur(12px)}.header-row{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:10px}.brand img{width:50px;height:50px;object-fit:contain;border-radius:12px}.brand span{display:grid;line-height:1.2}.brand strong{font-size:20px;color:var(--ink)}.brand small{margin-top:5px;color:var(--muted)}.site-nav{display:flex;gap:8px}.site-nav a{padding:9px 13px;border-radius:999px;font-weight:650}.site-nav a:hover{background:var(--soft)}.menu-toggle{display:none;border:1px solid var(--line);background:var(--paper);border-radius:10px;padding:8px 12px}.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center;padding-block:64px 52px}.hero-copy h1,.page-intro h1,.story-article h1,.utility-hero h1{margin:.25em 0 .35em;color:var(--ink);line-height:1.12;letter-spacing:-.035em;font-size:clamp(38px,5vw,68px)}.hero-lead,.deck,.page-intro>p{font-size:18px;color:#5E5854}.eyebrow{margin:0 0 8px;color:var(--red);font-weight:800;letter-spacing:.08em;font-size:13px;text-transform:uppercase}.hero-visual{position:relative}.hero-visual:before{content:"";position:absolute;inset:-16px 28px 28px -18px;background:var(--soft);border-radius:28px;z-index:-1}.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:28px;box-shadow:var(--shadow)}.actions{display:flex;gap:18px;align-items:center;flex-wrap:wrap;margin-top:28px}.button{display:inline-flex;align-items:center;justify-content:center;background:var(--red);color:#fff!important;padding:11px 18px;border-radius:999px;font-weight:750;box-shadow:0 8px 22px rgba(185,58,50,.18)}.button.secondary{background:var(--soft);color:var(--ink)!important;box-shadow:none;border:1px solid var(--line)}.text-link{font-weight:700;color:var(--red)}.text-link.strong{font-size:16px}.brand-aliases{list-style:none;display:flex;gap:8px;flex-wrap:wrap;padding:0;margin:30px 0 0}.brand-aliases li{padding:5px 10px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:13px}.content-lead,.section-heading{display:flex;align-items:end;justify-content:space-between;gap:42px}.content-lead{padding:36px 0 22px;border-top:1px solid var(--line)}.content-lead h2,.section-heading h2,.index-intro h2,.function-split h2,.topic-section h2,.faq-panel h2,.submit-notes h2,.contact-placeholder h2{margin:0;color:var(--ink);line-height:1.25;font-size:clamp(26px,3vw,38px)}.content-lead>p{max-width:590px;margin:0;color:var(--muted)}.featured-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;padding-bottom:68px}.story-card{display:grid;grid-template-columns:210px 1fr;border:1px solid var(--line);background:#fff;border-radius:var(--radius);overflow:hidden;min-height:235px}.story-image-link img{height:100%;width:100%;object-fit:cover}.story-card-body{padding:20px}.story-card h3{margin:8px 0;font-size:21px;line-height:1.35;color:var(--ink)}.story-card p{margin:0 0 12px;color:var(--muted)}.story-meta{display:flex;gap:8px;flex-wrap:wrap}.story-meta span{font-size:12px;font-weight:760;color:var(--red);background:#FBF0EC;padding:3px 8px;border-radius:999px}.story-meta span+span{color:#8A5A20;background:#FCF3E7}.index-band{background:var(--ink);color:#fff;padding:66px 0}.index-layout{display:grid;grid-template-columns:.65fr 1.35fr;gap:54px}.index-intro h2{color:white}.index-intro p:last-child{color:#BEB7B2}.topic-links{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.topic-links a{display:grid;gap:5px;border:1px solid rgba(255,255,255,.14);padding:16px;border-radius:14px;background:rgba(255,255,255,.03)}.topic-links a:hover{border-color:rgba(255,255,255,.35);color:#fff}.topic-links strong{font-size:17px}.topic-links span{font-size:13px;color:#BEB7B2}.latest-section{padding:70px 0}.latest-list{margin-top:20px;border-top:1px solid var(--line)}.latest-row{display:grid;grid-template-columns:60px 1fr 36px;align-items:center;gap:20px;padding:22px 0;border-bottom:1px solid var(--line)}.latest-number{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}.latest-row h3{margin:7px 0 4px;color:var(--ink);font-size:23px}.latest-row p{margin:0;color:var(--muted)}.row-arrow{font-size:24px;color:var(--red)}.function-split{display:grid;grid-template-columns:1fr 1fr;gap:20px;padding-bottom:76px}.function-split article{background:var(--soft);border-radius:22px;overflow:hidden;display:grid;grid-template-columns:180px 1fr;align-items:stretch}.function-split img{height:100%;width:100%;object-fit:cover}.function-split article>div{padding:26px}.site-footer{background:#1F1D1C;color:#D5CFCA;padding:48px 0 24px}.footer-grid{display:grid;grid-template-columns:1.4fr .8fr 1fr;gap:48px}.footer-grid strong{font-size:24px;color:white}.footer-grid h2{font-size:14px;color:white}.footer-grid div:nth-child(2){display:grid;align-content:start;gap:6px}.footer-bottom{margin-top:34px;padding-top:18px;border-top:1px solid #3B3735;display:flex;justify-content:space-between;font-size:13px}.page-intro{padding:64px 0 30px;max-width:880px}.page-intro.split{max-width:none;display:grid;grid-template-columns:1fr 360px;align-items:center;gap:50px}.page-intro.split img{border-radius:24px;aspect-ratio:4/3;object-fit:cover}.jump-nav{display:flex;gap:9px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding-bottom:24px}.jump-nav a{padding:7px 12px;border-radius:999px;background:var(--soft);font-size:14px}.topic-section{padding:48px 0;border-bottom:1px solid var(--line);scroll-margin-top:100px}.topic-section-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:18px}.topic-section-head>span{color:var(--muted);font-size:13px}.topic-story-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.topics-page{padding-bottom:70px}.story-page{padding:28px 0 74px}.breadcrumbs{display:flex;gap:8px;align-items:center;flex-wrap:wrap;color:var(--muted);font-size:13px;margin:10px 0 38px}.story-article{width:min(860px,100%);margin:auto}.story-article header{margin-bottom:28px}.story-article figure{margin:0 0 30px}.story-article figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:24px}.story-article figcaption{font-size:12px;color:var(--muted);margin-top:8px}.article-body{font-size:18px}.article-body p{margin:0 0 1.25em}.article-body h2{color:var(--ink);font-size:30px;line-height:1.3;margin:1.8em 0 .6em}.related-block{margin-top:70px}.related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:18px}.utility-page,.submit-page{padding-bottom:78px}.utility-hero{display:grid;grid-template-columns:1fr 420px;gap:48px;align-items:center;padding:64px 0}.utility-hero img{border-radius:26px;aspect-ratio:4/3;object-fit:cover}.utility-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.utility-grid article{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px}.utility-grid h2{color:var(--ink);font-size:22px;line-height:1.35}.faq-panel{margin-top:48px;background:var(--soft);padding:36px;border-radius:24px}.faq-panel details{border-top:1px solid var(--line);padding:15px 0}.faq-panel summary{font-weight:750;cursor:pointer;color:var(--ink)}.faq-panel details p{color:var(--muted)}.submit-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.submit-steps article{border-top:3px solid var(--red);background:#fff;padding:22px;border-radius:0 0 16px 16px}.submit-steps span{color:var(--accent);font-weight:800}.submit-steps h2{font-size:20px;line-height:1.35;color:var(--ink)}.submit-notes{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:46px}.submit-notes>div{background:var(--soft);padding:28px;border-radius:20px}.submit-notes li{margin:8px 0}.contact-placeholder{margin-top:24px;border:1px solid var(--line);padding:30px;border-radius:20px}.not-found{padding:100px 0}.not-found h1{font-size:48px;color:var(--ink);margin:8px 0}@media(max-width:900px){.hero,.utility-hero,.page-intro.split{grid-template-columns:1fr}.hero-visual,.utility-hero img,.page-intro.split img{max-width:620px}.featured-grid,.topic-story-grid,.related-grid,.function-split,.submit-notes{grid-template-columns:1fr}.index-layout{grid-template-columns:1fr}.utility-grid{grid-template-columns:1fr 1fr}.submit-steps{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}@media(max-width:700px){.shell{width:min(100% - 28px,1180px)}.menu-toggle{display:block}.site-nav{position:absolute;left:14px;right:14px;top:70px;display:none;grid-template-columns:1fr;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:8px;box-shadow:var(--shadow)}.site-nav.open{display:grid}.site-nav a{padding:12px}.hero{padding-top:38px}.hero-copy h1,.page-intro h1,.story-article h1,.utility-hero h1{font-size:38px}.content-lead,.section-heading{align-items:start;flex-direction:column;gap:12px}.story-card{grid-template-columns:130px 1fr;min-height:210px}.story-card-body{padding:14px}.story-card h3{font-size:18px}.story-card p{font-size:14px}.topic-links{grid-template-columns:1fr}.latest-row{grid-template-columns:40px 1fr}.latest-row .row-arrow{display:none}.function-split article{grid-template-columns:120px 1fr}.utility-grid,.submit-steps{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.page-intro{padding-top:42px}.article-body{font-size:17px}}@media(max-width:480px){.story-card{grid-template-columns:1fr}.story-image-link img{aspect-ratio:16/9}.function-split article{grid-template-columns:1fr}.function-split img{aspect-ratio:16/8}.brand small{display:none}.hero-copy h1,.page-intro h1,.story-article h1,.utility-hero h1{font-size:33px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}:focus-visible{outline:3px solid var(--amber);outline-offset:3px}
.guide-list{border-top:1px solid var(--line);padding-bottom:72px}.guide-item{display:grid;grid-template-columns:72px 1fr;gap:22px;padding:28px 0;border-bottom:1px solid var(--line)}.guide-index{font-variant-numeric:tabular-nums;color:var(--accent);font-weight:800;padding-top:5px}.guide-item h2{margin:0 0 8px;color:var(--ink);font-size:25px;line-height:1.35}.guide-item p{margin:8px 0;color:var(--body)}.guide-summary{font-weight:650;color:var(--muted)!important}@media(max-width:700px){.guide-item{grid-template-columns:42px 1fr;gap:10px}.guide-item h2{font-size:21px}}