:root{--primary:#B9473F;--secondary:#D89A45;--deep:#1E2026;--bg:#F7F4EF;--muted:#EEE9E2;--text:#2B2D31;--sub:#6F706F;--accent:#E06A3B;--line:#D8D1C7;--white:#FFFDF9;--shadow:0 18px 48px rgba(30,32,38,.10);--radius:24px;--wrap:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.75}body.modal-open{overflow:hidden}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.wrap{width:min(calc(100% - 40px),var(--wrap));margin-inline:auto}
.skip-link{position:fixed;left:12px;top:-100px;z-index:1000;background:var(--deep);color:white;padding:10px 14px;border-radius:10px}.skip-link:focus{top:12px}
.site-header{position:sticky;top:0;z-index:100;background:rgba(247,244,239,.96);backdrop-filter:blur(12px);border-bottom:1px solid rgba(30,32,38,.08)}.header-row{min-height:78px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:11px;min-width:max-content}.brand img{width:46px;height:46px;border-radius:14px;object-fit:cover;background:var(--muted)}.brand span{display:flex;flex-direction:column;line-height:1.25}.brand strong{font-size:16px}.brand small{margin-top:4px;color:var(--sub);font-size:12px}
.primary-nav{display:flex;align-items:center;gap:4px;margin-left:auto}.primary-nav a{padding:9px 10px;border-radius:10px;font-size:14px;color:#484a4e}.primary-nav a:hover,.primary-nav a[aria-current=page]{background:var(--muted);color:var(--primary)}.search-toggle,.menu-toggle{border:0;border-radius:12px;background:var(--deep);color:white;padding:10px 14px}.menu-toggle{display:none}
.search-modal[hidden]{display:none!important}.search-modal{position:fixed;inset:0;z-index:500;display:grid;place-items:start center;padding:12vh 20px 20px}.search-backdrop{position:absolute;inset:0;background:rgba(30,32,38,.72)}.search-dialog{position:relative;width:min(680px,100%);background:var(--white);border-radius:26px;padding:34px;box-shadow:0 30px 100px rgba(0,0,0,.28)}.search-close{position:absolute;right:18px;top:14px;border:0;background:transparent;font-size:30px;color:var(--sub)}.search-dialog h2{font-size:clamp(26px,4vw,40px);line-height:1.16;margin:6px 0 22px}
.search-form label,.inline-search label{display:block;font-weight:700;margin-bottom:8px}.search-line,.inline-search div{display:flex;gap:10px}.search-line input,.inline-search input{min-width:0;flex:1;border:1px solid var(--line);background:white;border-radius:14px;padding:13px 15px;outline:none}.search-line input:focus,.inline-search input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(185,71,63,.12)}.search-tip{color:var(--sub);font-size:14px;margin-bottom:0}
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.eyebrow{display:inline-block;color:var(--primary);font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.home-hero,.page-hero{background:linear-gradient(135deg,var(--deep),#2d2f36);color:white;overflow:hidden}.home-hero{padding:76px 0 58px}.home-hero-grid,.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:58px;align-items:center}.hero-copy h1{font-size:clamp(38px,5.3vw,72px);line-height:1.05;letter-spacing:-.035em;margin:14px 0 22px;max-width:920px}.page-hero.compact{padding:58px 0 44px}.page-hero.compact .hero-copy h1{font-size:clamp(36px,4.7vw,60px)}.hero-lead{font-size:clamp(17px,2vw,21px);line-height:1.75;color:#dedbd5;max-width:790px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:28px}.hero-actions .button.ghost{border-color:#e4a69f;color:white}.hero-actions .text-cta{color:#f3c66f;margin-left:8px}.hero-points{display:flex;flex-wrap:wrap;gap:10px 20px;padding:0;margin:28px 0 0;list-style:none;color:#c8c5bf;font-size:14px}.hero-points li:before{content:"•";color:var(--secondary);margin-right:8px}
.hero-media{margin:0;position:relative}.hero-media img{width:100%;aspect-ratio:1.28/1;object-fit:cover;border-radius:32px;box-shadow:0 28px 80px rgba(0,0,0,.28)}.hero-media figcaption{position:absolute;left:18px;right:18px;bottom:18px;padding:14px 16px;background:rgba(30,32,38,.78);border:1px solid rgba(255,255,255,.12);border-radius:14px;font-size:13px;color:#e5e2dd}.hero-media.small img{aspect-ratio:1.46/1}
.section-band{padding:74px 0}.section-band.muted{background:var(--muted)}.section-head{margin-bottom:30px;max-width:850px}.section-head.split{max-width:none;display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:end}.section-head h2,.feature-copy h2,.search-feature h2,.about-grid h2,.split-callout h2{font-size:clamp(30px,4vw,48px);line-height:1.12;letter-spacing:-.025em;margin:8px 0 0}.section-head p{color:var(--sub);margin:0}
.channel-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.channel-card{display:grid;grid-template-columns:190px 1fr;background:var(--white);border:1px solid var(--line);border-radius:22px;overflow:hidden;min-height:230px}.channel-card img{width:100%;height:100%;object-fit:cover}.channel-card div{padding:24px}.channel-card h3{font-size:24px;line-height:1.25;margin:0 0 10px}.channel-card p{color:var(--sub);margin:0 0 18px}
.editorial-section{padding:76px 0;background:var(--deep);color:white}.feature-layout{display:grid;grid-template-columns:1fr .82fr;gap:64px;align-items:center}.feature-copy p{color:#d2cfc9}.step-list{list-style:none;padding:0;margin:28px 0 0;display:grid;gap:16px}.step-list li{display:grid;grid-template-columns:130px 1fr;gap:18px;border-top:1px solid rgba(255,255,255,.14);padding-top:16px}.step-list strong{color:#f1c16b}.step-list span{color:#d1cec9}.feature-media{margin:0}.feature-media img{border-radius:28px;aspect-ratio:1.1/1;object-fit:cover}
.notes-list{border-top:1px solid var(--line)}.notes-list article{display:grid;grid-template-columns:.72fr 1.28fr;gap:50px;padding:28px 0;border-bottom:1px solid var(--line)}.notes-list h3{font-size:22px;margin:0}.notes-list p{margin:0;color:var(--sub)}
.topic-strip{padding:74px 0;background:#f1ece5}.topic-row{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.topic-item{padding:26px;border-top:4px solid var(--primary);background:var(--white);min-height:250px}.topic-item>span,.directory-meta span{font-size:12px;font-weight:800;color:var(--primary);letter-spacing:.05em}.topic-item h3{font-size:24px;line-height:1.25;margin:20px 0 12px}.topic-item p{color:var(--sub)}
.home-search-section{padding:66px 0;background:var(--secondary)}.search-feature{display:grid;grid-template-columns:1fr .92fr;gap:54px;align-items:center}.search-feature .eyebrow{color:var(--deep)}.search-feature h2{margin-top:6px}.search-feature p{margin-bottom:0}.inline-search{background:rgba(255,255,255,.84);padding:22px;border-radius:20px}
.faq-preview{display:grid;grid-template-columns:1fr 1fr;gap:12px}.faq-preview details,.faq-list details{background:var(--white);border:1px solid var(--line);border-radius:16px}.faq-preview summary,.faq-list summary{cursor:pointer;font-weight:800;padding:20px 22px;list-style:none}.faq-preview summary::-webkit-details-marker,.faq-list summary::-webkit-details-marker{display:none}.faq-preview summary:after,.faq-list summary:after{content:"+";float:right;color:var(--primary);font-size:22px}.faq-preview details[open] summary:after,.faq-list details[open] summary:after{content:"−"}.faq-preview details p{padding:0 22px 20px;margin:0;color:var(--sub)}
.section-actions{display:flex;align-items:center;gap:22px;margin-top:28px}.about-strip{padding:66px 0;background:var(--white)}.about-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:54px;align-items:center}.about-grid img{border-radius:24px}.about-grid p{color:var(--sub);font-size:17px}.text-links{display:flex;flex-wrap:wrap;gap:18px;margin-top:20px}
.breadcrumbs{padding:18px 0 0;color:var(--sub);font-size:13px}.breadcrumbs ol{display:flex;gap:8px;list-style:none;padding:0;margin:0;flex-wrap:wrap}.breadcrumbs li+li:before{content:"/";margin-right:8px;color:#aaa49b}.breadcrumbs a:hover{color:var(--primary)}
.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:64px;padding-top:40px;padding-bottom:80px}.article-flow{min-width:0}.content-section{padding:12px 0 50px;border-bottom:1px solid var(--line)}.content-section+.content-section{padding-top:46px}.section-kicker{font-size:12px;font-weight:800;letter-spacing:.16em;color:var(--primary);margin:0}.content-section h2{font-size:clamp(28px,4vw,42px);line-height:1.18;margin:8px 0 14px}.section-lead{font-size:19px;color:#494b50;font-weight:600}.content-section p{font-size:17px}
.side-card{background:var(--deep);color:white;border-radius:22px;padding:24px}.side-card.sticky{position:sticky;top:105px}.side-card h2{font-size:20px;margin-top:0}.side-card a{display:block;padding:9px 0;color:#e7e3dc}.side-card a:hover{color:#f2bf68}.toc-list{padding-left:20px;margin:0}.toc-list li{margin:7px 0}.side-note{border-top:1px solid rgba(255,255,255,.15);padding-top:18px;margin-top:18px}.side-note p{color:#c9c6c1;font-size:14px}
.topic-directory{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.directory-item{background:var(--white);border:1px solid var(--line);padding:28px;border-radius:20px}.directory-item h2{font-size:28px;line-height:1.2;margin:12px 0}.directory-item p{color:var(--sub)}.split-callout{display:grid;grid-template-columns:1.2fr .8fr;gap:50px;align-items:center}
.article-header{padding:56px 0 44px;background:var(--deep);color:white}.article-header-grid{display:grid;grid-template-columns:1fr .7fr;gap:54px;align-items:center}.article-header h1{font-size:clamp(36px,5vw,58px);line-height:1.08;margin:14px 0 20px}.article-header img{border-radius:26px}.article-body-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:64px;padding-top:42px;padding-bottom:80px}.article-body{font-size:18px}.article-body h2{font-size:32px;line-height:1.22;margin:42px 0 14px}.article-body p{margin:0 0 22px}.related-box{margin-top:48px;padding:28px;border-radius:20px;background:var(--muted)}.related-box h2{margin-top:0;font-size:24px}
.faq-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:54px}.faq-list{display:grid;gap:12px}.faq-answer{padding:0 22px 20px}.faq-answer p{margin:0;color:var(--sub)}
.search-page-hero{padding:58px 0;background:var(--deep);color:white}.search-page-grid{display:grid;grid-template-columns:1fr .9fr;gap:60px;align-items:center}.search-page-grid h1{font-size:clamp(34px,5vw,58px);line-height:1.12;margin:8px 0 14px}.result-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:22px}.result-head h2{margin:0;font-size:30px}.result-head p{margin:0;color:var(--sub)}.search-results{display:grid;gap:14px}.search-results article{background:var(--white);border:1px solid var(--line);border-radius:18px;padding:24px}.search-results h3{font-size:24px;margin:0 0 8px}.search-results p{color:var(--sub);margin:0 0 14px}.empty-state{max-width:760px;background:var(--white);border:1px solid var(--line);border-radius:22px;padding:34px}.empty-state h2{font-size:30px;margin-top:0}
.prose-page{max-width:900px}.prose-page h2{font-size:32px;line-height:1.22;margin:42px 0 12px}.prose-page h2:first-child{margin-top:0}.prose-page p{font-size:17px}
.not-found{padding:90px 0}.not-found-grid{display:grid;grid-template-columns:1fr .8fr;gap:60px;align-items:center}.not-found h1{font-size:clamp(42px,6vw,74px);line-height:1.05;margin:8px 0 20px}.not-found img{border-radius:28px}
.site-footer{background:var(--deep);color:#e8e5de;padding:58px 0 20px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:42px}.footer-grid h2{font-size:17px;margin:0 0 16px;color:white}.footer-grid p{color:#bcb8b1;max-width:420px}.footer-grid nav{display:flex;flex-direction:column;gap:9px}.footer-grid nav a{color:#c9c5be;font-size:14px}.footer-grid nav a:hover{color:#f1bd62}.footer-bottom{display:flex;justify-content:space-between;gap:20px;align-items:center;border-top:1px solid rgba(255,255,255,.12);margin-top:42px;padding-top:20px;color:#98958f;font-size:13px}.back-top{position:fixed;right:20px;bottom:20px;width:44px;height:44px;border:0;border-radius:50%;background:var(--primary);color:white;box-shadow:var(--shadow);z-index:90}
@media(max-width:1100px){.primary-nav{position:absolute;left:20px;right:20px;top:70px;display:none;flex-direction:column;align-items:stretch;background:var(--white);border:1px solid var(--line);padding:12px;border-radius:18px;box-shadow:var(--shadow)}.primary-nav.is-open{display:flex}.primary-nav a{padding:11px 13px}.menu-toggle{display:block;margin-left:auto}.search-toggle{margin-left:0}.home-hero-grid,.hero-grid,.feature-layout,.search-feature,.article-header-grid{grid-template-columns:1fr 1fr;gap:36px}.content-layout,.article-body-layout,.faq-layout{grid-template-columns:minmax(0,1fr) 260px;gap:36px}.channel-card{grid-template-columns:150px 1fr}}
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@media(max-width:700px){.wrap{width:min(calc(100% - 28px),var(--wrap))}.site-header{position:relative}.header-row{min-height:70px;gap:10px}.brand img{width:40px;height:40px}.brand small{display:none}.search-toggle,.menu-toggle{padding:9px 11px;font-size:13px}.home-hero{padding:54px 0 40px}.page-hero.compact{padding:46px 0 34px}.hero-copy h1,.page-hero.compact .hero-copy h1{font-size:38px}.hero-actions{align-items:stretch}.hero-actions .button{flex:1 1 auto}.hero-actions .text-cta{margin-left:0;width:100%;margin-top:4px}.hero-points{display:grid;gap:6px}.section-band,.topic-strip,.editorial-section,.about-strip{padding:54px 0}.channel-card{grid-template-columns:1fr}.channel-card img{height:220px}.topic-row,.faq-preview{grid-template-columns:1fr}.step-list li{grid-template-columns:1fr;gap:5px}.section-actions{align-items:flex-start;flex-direction:column}.search-line,.inline-search div{flex-direction:column}.search-dialog{padding:28px 20px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid section{grid-column:1/-1}.footer-bottom{align-items:flex-start;flex-direction:column}.content-section p,.article-body,.prose-page p{font-size:16px}}
@media(max-width:480px){.brand strong{font-size:14px}.search-toggle{display:none}.hero-copy h1,.page-hero.compact .hero-copy h1{font-size:34px}.hero-lead{font-size:16px}.hero-media img{border-radius:20px}.section-head h2,.feature-copy h2,.search-feature h2,.about-grid h2{font-size:31px}.footer-grid{grid-template-columns:1fr}.footer-grid section{grid-column:auto}}