:root {
  --brand:#B9473F;
  --amber:#D89A45;
  --ink:#1E2026;
  --paper:#F7F4EF;
  --paper-2:#EEE9E2;
  --text:#2B2D31;
  --muted:#6F706F;
  --accent:#E06A3B;
  --line:#d8d0c7;
  --white:#fffdf9;
  --shadow:0 20px 60px rgba(30,32,38,.10);
  --radius:22px;
  --shell:min(1180px, calc(100% - 40px));
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--paper)}
body{margin:0;font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--text);background:var(--paper);line-height:1.75;-webkit-font-smoothing:antialiased}
body.modal-open{overflow:hidden}
a{color:inherit;text-decoration:none}
a:hover{color:var(--brand)}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit}
button{cursor:pointer}
.shell{width:var(--shell);margin-inline:auto}
.skip-link{position:fixed;left:16px;top:-60px;z-index:999;padding:10px 14px;background:var(--ink);color:white;border-radius:8px}
.skip-link:focus{top:12px}
.site-header{position:sticky;top:0;z-index:100;background:rgba(247,244,239,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(216,208,199,.7)}
.header-row{min-height:82px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:12px;min-width:max-content}
.brand img{width:48px;height:48px;object-fit:contain;border-radius:12px;background:var(--paper-2)}
.brand span{display:flex;flex-direction:column;line-height:1.25}
.brand strong{font-size:17px;color:var(--ink)}
.brand small{font-size:11px;letter-spacing:.08em;color:var(--muted);margin-top:4px}
.primary-nav{display:flex;justify-content:center;gap:4px;flex-wrap:wrap}
.primary-nav a{padding:9px 10px;border-radius:999px;font-size:14px;color:#47484d;transition:.2s ease}
.primary-nav a:hover,.primary-nav a[aria-current="page"]{background:#fff;color:var(--brand)}
.search-open,.menu-toggle{border:1px solid var(--line);background:var(--white);color:var(--ink);border-radius:999px;padding:9px 14px;font-weight:700}
.menu-toggle{display:none}
.breadcrumbs{display:flex;align-items:center;gap:8px;padding-top:18px;font-size:13px;color:var(--muted)}
.breadcrumbs a{color:var(--brand)}
main{min-height:65vh}
.hero{padding:72px 0 52px;overflow:hidden}
.hero-home{background:linear-gradient(180deg,#f2ece6 0%,var(--paper) 100%)}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:58px;align-items:center}
.hero-copy h1,.page-hero h1,.article-header h1,.error-page h1{font-family:Georgia,"Noto Serif SC","Songti SC",serif;color:var(--ink);line-height:1.13;letter-spacing:-.035em;margin:0 0 22px}
.hero-copy h1{font-size:clamp(42px,6vw,74px)}
.page-hero h1,.article-header h1{font-size:clamp(38px,5vw,62px)}
.eyebrow{margin:0 0 12px;color:var(--brand);font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase}
.lead{font-size:18px;line-height:1.8;color:#4f5054;max-width:760px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:45px;padding:10px 18px;border-radius:12px;border:1px solid transparent;font-weight:800}
.button.primary{background:var(--brand);color:white}
.button.primary:hover{background:#9f3b35;color:white}
.button.secondary{background:var(--ink);color:white}
.button.secondary:hover{background:#353840;color:white}
.button.ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.hero-points{display:grid;gap:8px;padding:0;margin:30px 0 0;list-style:none;color:var(--muted)}
.hero-points li{position:relative;padding-left:22px}
.hero-points li::before{content:"";position:absolute;left:0;top:.75em;width:8px;height:8px;border-radius:50%;background:var(--amber)}
.hero-media{margin:0;position:relative}
.hero-media img{aspect-ratio:1.46/1;object-fit:cover;border-radius:34px;box-shadow:var(--shadow)}
.hero-media figcaption{margin-top:12px;font-size:12px;color:var(--muted);text-align:right}
.section{padding-top:76px;padding-bottom:76px}
.section-heading{margin-bottom:30px;max-width:780px}
.section-heading h2,.feature-split h2,.about-strip h2,.side-note h2,.article-prose h2,.empty-state h2{font-family:Georgia,"Noto Serif SC","Songti SC",serif;color:var(--ink);font-size:clamp(28px,4vw,42px);line-height:1.25;margin:0 0 12px}
.split-heading{max-width:none;display:flex;justify-content:space-between;gap:48px;align-items:end}
.split-heading>p{max-width:520px;color:var(--muted);margin:0}
.portal-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.portal-card{display:flex;flex-direction:column;min-height:250px;padding:26px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(255,253,249,.7);transition:.22s ease}
.portal-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c7bbb0;color:inherit}
.portal-card>span{font-size:12px;font-weight:900;color:var(--accent);letter-spacing:.12em}
.portal-card h3{font-size:22px;margin:28px 0 8px;color:var(--ink)}
.portal-card p{color:var(--muted);margin:0 0 18px}
.portal-card strong{margin-top:auto;color:var(--brand);font-size:14px}
.tone-band{background:var(--ink);color:#f2ede7}
.tone-band .eyebrow{color:#f0b469}
.tone-band h2,.tone-band h3{color:#fffaf5}
.tone-band p{color:#c8c7c3}
.tone-band a{color:#f4c38b}
.warm-band{background:#e9ded2}
.feature-split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.feature-split.reverse>div{order:1}.feature-split.reverse>figure{order:2}
.feature-split figure{margin:0}
.feature-split figure img{width:100%;aspect-ratio:1.42/1;object-fit:cover;border-radius:28px}
.feature-split p{font-size:16px}
.inline-links{display:flex;gap:18px;flex-wrap:wrap;margin-top:20px}
.inline-links a,.text-link{font-weight:800;color:var(--brand);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:5px}
.editorial-list{border-top:1px solid var(--line)}
.editorial-row{display:grid;grid-template-columns:200px 1fr auto;gap:24px;align-items:center;padding:24px 0;border-bottom:1px solid var(--line)}
.editorial-row img{width:200px;aspect-ratio:1.45/1;object-fit:cover;border-radius:16px}
.editorial-row h3{font-size:24px;margin:4px 0}
.editorial-row p{margin:0;color:var(--muted)}
.kicker{display:inline-block;font-size:11px;font-weight:900;letter-spacing:.11em;color:var(--accent);text-transform:uppercase}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.steps-grid article{background:var(--paper);padding:28px;min-height:240px}
.steps-grid article>span{font-size:13px;color:var(--accent);font-weight:900}
.steps-grid h3,.steps-grid h2{font-size:22px;margin:26px 0 10px;color:var(--ink)}
.large-steps article{min-height:280px}
.faq-preview,.faq-list{display:grid;gap:10px}
details{border:1px solid var(--line);border-radius:14px;background:var(--white);overflow:hidden}
summary{list-style:none;cursor:pointer;padding:18px 54px 18px 20px;position:relative;font-weight:800;color:var(--ink)}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:24px;color:var(--brand)}
details[open] summary::after{content:"−"}
details p,details>div{padding:0 20px 18px;margin:0;color:var(--muted)}
.section-action{margin-top:24px}
.about-strip{display:grid;grid-template-columns:1fr 1.2fr auto;gap:34px;align-items:center;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.about-strip p{margin:0;color:var(--muted)}
.page-hero{padding-top:72px;padding-bottom:38px}
.compact-hero{display:grid;grid-template-columns:1fr 420px;gap:60px;align-items:center}
.compact-hero img{width:100%;aspect-ratio:1.4/1;object-fit:cover;border-radius:26px}
.two-col,.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:64px;align-items:start}
.article-prose{font-size:17px;max-width:800px}
.article-prose h2{font-size:30px;margin-top:42px}
.article-prose h2:first-child{margin-top:0}
.article-prose p{margin:0 0 18px}
.article-prose code{background:var(--paper-2);padding:2px 6px;border-radius:6px;font-size:.9em}
.side-note{position:sticky;top:112px;border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:var(--white)}
.side-note h2{font-size:22px}
.side-note a{display:block;padding:12px 0;border-bottom:1px solid var(--line);font-weight:700;color:var(--brand)}
.side-note a:last-child{border-bottom:0}
.side-note ul{padding-left:20px;color:var(--muted)}
.side-note dl{margin:0}.side-note dt{font-weight:900;color:var(--ink);margin-top:14px}.side-note dd{margin:2px 0 0;color:var(--muted)}
.timeline{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.timeline li{padding:26px;border-left:1px solid #55575d;display:flex;flex-direction:column;gap:8px}
.timeline strong{color:#fff;font-size:18px}.timeline span{color:#c8c7c3}
.link-cards,.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.link-cards>a,.article-grid>article{padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--white)}
.link-cards h2,.link-cards h3,.article-grid h3{margin:0 0 10px;color:var(--ink);font-size:22px;line-height:1.35}
.link-cards p,.article-grid p{color:var(--muted);margin:0}
.wide-grid{grid-template-columns:repeat(2,1fr)}
.image-card{padding:0!important;overflow:hidden}.image-card img{width:100%;aspect-ratio:1.58/1;object-fit:cover}.image-card>div{padding:24px}.image-card h2{font-size:26px;line-height:1.3;margin:8px 0}
.meta{font-size:12px;color:var(--muted)}
.evidence-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.evidence-grid article{padding:25px;border-top:3px solid var(--brand);background:var(--white);border-radius:0 0 18px 18px}
.evidence-grid article>span{font-size:12px;color:var(--accent);font-weight:900}.evidence-grid h2,.evidence-grid h3{font-size:22px;margin:20px 0 8px;color:var(--ink)}.evidence-grid p{margin:0;color:var(--muted)}
.article-page{padding-top:54px;padding-bottom:84px}.article-header{max-width:900px;margin-bottom:32px}.article-cover{margin:0 0 44px}.article-cover img{width:100%;max-height:560px;object-fit:cover;border-radius:28px}.article-layout{grid-template-columns:minmax(0,760px) 300px;justify-content:space-between}
.faq-list details{background:transparent}.faq-list summary{font-size:18px;padding:22px 60px 22px 22px}.faq-list details>div{padding:0 22px 22px}.faq-list details p{padding:0;margin:0 0 8px}
.page-search{margin-top:24px;max-width:680px}.page-search label{display:block;font-weight:800;margin-bottom:8px}.search-line{display:flex;gap:8px}.search-line input{flex:1;min-width:0;padding:13px 15px;border:1px solid var(--line);border-radius:12px;background:#fff}.search-line button{border:0;background:var(--brand);color:white;border-radius:12px;padding:12px 18px;font-weight:800}
.result-list{display:grid;gap:14px}.result-list article{padding:24px;border:1px solid var(--line);border-radius:16px;background:var(--white)}.result-list h3{font-size:24px;margin:5px 0}.result-list p{color:var(--muted);margin:0 0 10px}.empty-state{max-width:720px;padding:44px;background:var(--paper-2);border-radius:var(--radius)}
.error-page{padding-top:110px;padding-bottom:130px;text-align:center}.error-page h1{font-size:clamp(48px,7vw,88px)}.error-page p{max-width:680px;margin:0 auto;color:var(--muted)}.error-page .cta-row{justify-content:center}
.site-footer{background:#17191e;color:#cbc9c4;padding:64px 0 26px}.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:36px}.site-footer h2{color:#fff;font-size:17px;margin:0 0 14px}.site-footer p{color:#9fa09e;margin:0;max-width:340px}.site-footer a{display:block;color:#c9c7c2;padding:5px 0}.site-footer a:hover{color:#f0b469}.footer-search label{display:block;margin:10px 0 8px;font-size:13px}.footer-search div{display:flex}.footer-search input{min-width:0;flex:1;border:1px solid #3a3d44;background:#202228;color:white;padding:10px;border-radius:9px 0 0 9px}.footer-search button{border:0;background:var(--brand);color:white;padding:8px 12px;border-radius:0 9px 9px 0}.footer-bottom{border-top:1px solid #2c2f35;margin-top:44px;padding-top:20px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:#858784}.footer-bottom a{padding:0}
.search-modal[hidden]{display:none!important}.search-modal{position:fixed;inset:0;z-index:500;background:rgba(18,19,23,.68);display:grid;place-items:center;padding:20px}.search-panel{position:relative;width:min(620px,100%);background:var(--paper);border-radius:24px;padding:34px;box-shadow:0 30px 90px rgba(0,0,0,.3)}.search-panel h2{font-size:32px;margin:0 0 24px;color:var(--ink)}.search-panel label{display:block;font-weight:800;margin-bottom:8px}.search-close{position:absolute;right:18px;top:16px;border:0;background:transparent;font-size:30px;color:var(--muted)}.muted{color:var(--muted);font-size:13px}
.back-top{position:fixed;right:24px;bottom:24px;z-index:80;border:0;background:var(--ink);color:white;padding:11px 14px;border-radius:999px;box-shadow:var(--shadow)}
@media (max-width:1100px){.header-row{grid-template-columns:auto auto auto;justify-content:space-between}.menu-toggle{display:block}.primary-nav{position:absolute;left:20px;right:20px;top:74px;display:none;flex-direction:column;align-items:stretch;background:var(--white);padding:12px;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.primary-nav.is-open{display:flex}.primary-nav a{padding:12px}.hero-grid,.feature-split{gap:34px}.portal-grid,.steps-grid,.evidence-grid{grid-template-columns:repeat(2,1fr)}.compact-hero{grid-template-columns:1fr 340px}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:850px){:root{--shell:min(100% - 28px,1180px)}.hero{padding-top:44px}.hero-grid,.feature-split,.compact-hero,.two-col,.article-layout{grid-template-columns:1fr}.hero-copy h1{font-size:48px}.hero-media{max-width:680px}.feature-split.reverse>div,.feature-split.reverse>figure{order:initial}.side-note{position:static}.timeline{grid-template-columns:1fr 1fr}.link-cards,.article-grid,.wide-grid{grid-template-columns:1fr 1fr}.about-strip{grid-template-columns:1fr}.editorial-row{grid-template-columns:150px 1fr}.editorial-row>.text-link{grid-column:2}.editorial-row img{width:150px}.compact-hero img{max-width:600px}.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.header-row{min-height:70px;gap:8px}.brand small{display:none}.brand img{width:40px;height:40px}.search-open{display:none}.primary-nav{top:66px}.hero-copy h1,.page-hero h1,.article-header h1{font-size:38px}.lead{font-size:16px}.section{padding-top:54px;padding-bottom:54px}.portal-grid,.steps-grid,.evidence-grid,.link-cards,.article-grid,.wide-grid,.timeline,.footer-grid{grid-template-columns:1fr}.split-heading{display:block}.split-heading>p{margin-top:14px}.editorial-row{grid-template-columns:1fr}.editorial-row img{width:100%;aspect-ratio:1.7/1}.editorial-row>.text-link{grid-column:auto}.cta-row{align-items:stretch}.button{width:100%}.compact-hero{gap:26px}.compact-hero img{max-height:300px}.feature-split{gap:28px}.about-strip{gap:18px}.search-line{flex-direction:column}.search-line button{width:100%}.footer-bottom{flex-direction:column}.search-panel{padding:28px 20px}.back-top{right:14px;bottom:14px}.article-page{padding-top:36px}}
@media (max-width:390px){:root{--shell:calc(100% - 22px)}.brand strong{font-size:14px}.menu-toggle{padding:8px 11px}.hero-copy h1,.page-hero h1,.article-header h1{font-size:34px}.portal-card,.steps-grid article,.link-cards>a,.article-grid>article{padding:20px}.hero-media img,.feature-split figure img,.article-cover img{border-radius:20px}}