:root{
  --brand:#C85C3A;
  --brand-dark:#9F4328;
  --amber:#E6B85C;
  --ink:#2B2523;
  --text:#332E2B;
  --muted:#766C66;
  --paper:#FAF7F2;
  --paper-2:#F1EAE2;
  --white:#fffdf9;
  --accent:#D94A32;
  --line:#DED2C7;
  --soft:#F7F0E8;
  --success:#5B704D;
  --shadow:0 18px 50px rgba(66,43,31,.10);
  --radius:22px;
  --radius-sm:12px;
  --max:1180px;
  --reading:760px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--paper)}
body{margin:0;background:var(--paper);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:var(--brand)}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
.skip-link{position:fixed;left:18px;top:-80px;z-index:9999;background:var(--ink);color:#fff;padding:10px 14px;border-radius:8px;transition:top .2s}
.skip-link:focus{top:18px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.site-header{position:sticky;top:0;z-index:100;background:rgba(250,247,242,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(222,210,199,.84)}
.header-shell{max-width:var(--max);margin:0 auto;min-height:82px;padding:12px 22px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:11px;min-width:max-content}
.brand img{width:50px;height:50px;object-fit:contain;border-radius:13px;background:var(--paper-2)}
.brand-copy{display:flex;flex-direction:column;line-height:1.16}
.brand-copy strong{font-size:1.17rem;letter-spacing:.03em;color:var(--ink)}
.brand-copy small{margin-top:5px;color:var(--muted);font-size:.72rem;letter-spacing:.04em}
.primary-nav{display:flex;align-items:center;justify-content:center;gap:4px}
.primary-nav a{padding:8px 10px;border-radius:10px;color:#4e4541;font-size:.92rem;white-space:nowrap}
.primary-nav a:hover,.primary-nav a.is-active{background:#efe2d7;color:var(--brand-dark)}
.search-open{border:1px solid var(--line);background:var(--white);color:var(--ink);padding:9px 13px;border-radius:999px}
.search-open:hover{border-color:var(--brand);color:var(--brand)}
.menu-toggle{display:none;border:0;background:transparent;width:42px;height:42px;padding:9px;border-radius:10px}
.menu-toggle span:not(.sr-only){display:block;height:2px;background:var(--ink);margin:5px 0;border-radius:4px}
main{min-height:60vh}
.shell{max-width:var(--max);margin:0 auto;padding-left:22px;padding-right:22px}
.reading-shell{max-width:var(--reading);margin:0 auto;padding-left:22px;padding-right:22px}
.section{padding:72px 0}
.section--tight{padding:48px 0}
.section--soft{background:var(--paper-2);border-top:1px solid rgba(222,210,199,.72);border-bottom:1px solid rgba(222,210,199,.72)}
.section--dark{background:var(--ink);color:#f9f1ea}
.section--dark a{color:#fff}
.section--dark .eyebrow{color:#f5c77b}
.section--dark .muted{color:#cbbeb6}
.section-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(240px,420px);gap:42px;align-items:end;margin-bottom:34px}
.section-head h2{margin:0;color:var(--ink);font-size:clamp(1.75rem,3.2vw,2.65rem);line-height:1.2;letter-spacing:-.02em}
.section--dark .section-head h2{color:#fff}
.section-head p{margin:0;color:var(--muted)}
.eyebrow{display:inline-block;margin-bottom:12px;color:var(--brand-dark);font-size:.79rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase}
.muted{color:var(--muted)}
.lead{font-size:1.12rem;line-height:1.9;color:#554945}
.hero{padding:64px 0 42px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(320px,.65fr);gap:34px;align-items:stretch}
.hero-copy{padding:34px 4px 30px 0}
.hero-copy h1{font-size:clamp(2.55rem,6.1vw,5.6rem);line-height:.99;letter-spacing:-.045em;color:var(--ink);margin:0 0 24px;max-width:850px}
.hero-copy h1 span{color:var(--brand)}
.hero-copy .lead{max-width:760px;margin:0 0 28px;font-size:1.12rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 17px;border-radius:12px;border:1px solid transparent;background:var(--brand);color:#fff;font-weight:700}
.button:hover{background:var(--brand-dark);color:#fff}
.button--ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.button--ghost:hover{background:var(--white);color:var(--brand-dark);border-color:var(--brand)}
.hero-note{display:grid;grid-template-columns:auto 1fr;gap:14px;padding-top:24px;border-top:1px solid var(--line);max-width:760px}
.hero-note strong{color:var(--brand-dark)}
.hero-note p{margin:0;color:var(--muted)}
.hero-visual{position:relative;overflow:hidden;border-radius:30px;background:#eaded4;min-height:470px;box-shadow:var(--shadow)}
.hero-visual img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.hero-visual::after{content:"";position:absolute;inset:auto 0 0 0;height:48%;background:linear-gradient(180deg,transparent,rgba(43,37,35,.54));pointer-events:none}
.hero-visual__caption{position:absolute;left:26px;right:26px;bottom:24px;z-index:1;color:#fff}
.hero-visual__caption strong{display:block;font-size:1.12rem;margin-bottom:5px}
.hero-visual__caption span{font-size:.88rem;color:#f7e9df}
.home-index{display:grid;grid-template-columns:1.45fr .55fr;gap:40px;align-items:start}
.index-list{border-top:1px solid var(--line)}
.index-row{display:grid;grid-template-columns:150px 1fr auto;gap:20px;align-items:center;padding:23px 0;border-bottom:1px solid var(--line)}
.index-row small{color:var(--brand-dark);font-weight:700}
.index-row h3{margin:0 0 5px;font-size:1.12rem;color:var(--ink)}
.index-row p{margin:0;color:var(--muted);font-size:.94rem}
.index-row .arrow{font-size:1.35rem;color:var(--brand)}
.side-note{position:sticky;top:112px;padding:26px;border:1px solid var(--line);border-radius:var(--radius);background:var(--white)}
.side-note h2,.side-note h3{margin-top:0;color:var(--ink)}
.side-note ul{padding-left:19px;margin-bottom:0}
.side-note li{margin:8px 0;color:var(--muted)}
.editorial-strip{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:20px}
.editorial-feature{grid-row:span 2;min-height:400px;position:relative;overflow:hidden;border-radius:var(--radius);background:var(--ink);color:#fff}
.editorial-feature img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;opacity:.66}
.editorial-feature::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.08),rgba(43,37,35,.86))}
.editorial-feature__copy{position:absolute;inset:auto 26px 24px;z-index:2}
.editorial-feature__copy h3{font-size:1.65rem;margin:0 0 8px}
.editorial-feature__copy p{margin:0;color:#f7e9df}
.mini-feature{padding:23px;border:1px solid var(--line);background:var(--white);border-radius:var(--radius-sm);min-height:185px}
.mini-feature h3{margin:10px 0 8px;color:var(--ink)}
.mini-feature p{margin:0;color:var(--muted);font-size:.94rem}
.mini-feature .label{font-size:.75rem;font-weight:700;color:var(--brand-dark);letter-spacing:.08em}
.split-feature{display:grid;grid-template-columns:minmax(0,1fr) minmax(340px,.8fr);gap:40px;align-items:center}
.split-feature.reverse{grid-template-columns:minmax(340px,.8fr) minmax(0,1fr)}
.split-feature.reverse .split-media{order:-1}
.split-copy h2{font-size:clamp(1.8rem,3.8vw,3rem);line-height:1.15;color:var(--ink);margin:0 0 18px}
.split-copy p{color:var(--muted)}
.split-copy ul{padding-left:20px}
.split-copy li{margin:7px 0}
.split-media{overflow:hidden;border-radius:var(--radius);background:#e9ddd2;min-height:340px}
.split-media img{width:100%;height:100%;min-height:340px;object-fit:cover}
.link-stack{display:grid;gap:12px;margin-top:22px}
.text-link{display:grid;grid-template-columns:minmax(0,1fr);gap:3px;padding:15px 16px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.44)}
.text-link strong{color:var(--ink)}
.text-link span{color:var(--muted);font-size:.9rem}
.text-link:hover{border-color:var(--brand);background:#fff8f3}
.topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.topic-card{padding:24px;border:1px solid var(--line);border-radius:18px;background:var(--white);display:flex;flex-direction:column;min-height:235px}
.topic-card__meta{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:.76rem;color:var(--muted);margin-bottom:10px}
.topic-card h3{margin:0 0 9px;font-size:1.18rem;color:var(--ink)}
.topic-card p{margin:0 0 17px;color:var(--muted);font-size:.94rem}
.topic-card a{margin-top:auto;font-weight:700;color:var(--brand-dark)}
.numbered-list{counter-reset:steps;display:grid;gap:0;border-top:1px solid var(--line)}
.numbered-item{counter-increment:steps;display:grid;grid-template-columns:72px minmax(0,1fr);gap:22px;padding:28px 0;border-bottom:1px solid var(--line)}
.numbered-item::before{content:counter(steps,decimal-leading-zero);font-size:1.3rem;font-weight:800;color:var(--brand)}
.numbered-item h3{margin:0 0 8px;color:var(--ink)}
.numbered-item p{margin:0;color:var(--muted)}
.callout{padding:25px 28px;border-radius:18px;background:#f2e7dd;border-left:5px solid var(--brand);margin:28px 0}
.callout h2{font-size:1.18rem;margin:0 0 8px;color:var(--ink)}
.callout p{margin:0;color:#5f524d}
.callout--warning{background:#f8edcf;border-left-color:var(--amber)}
.callout--safe{background:#eaf0e7;border-left-color:var(--success)}
.breadcrumbs{max-width:var(--max);margin:0 auto;padding:24px 22px 0;color:var(--muted);font-size:.84rem}
.breadcrumbs ol{display:flex;flex-wrap:wrap;list-style:none;padding:0;margin:0;gap:8px}
.breadcrumbs li+li::before{content:"/";margin-right:8px;color:#aa9b91}
.page-hero{padding:42px 0 48px}
.page-hero__layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,.55fr);gap:38px;align-items:center}
.page-hero h1{font-size:clamp(2.3rem,5vw,4.45rem);line-height:1.06;letter-spacing:-.035em;color:var(--ink);margin:0 0 18px}
.page-hero p{font-size:1.07rem;color:var(--muted);max-width:780px}
.page-hero figure{margin:0;border-radius:var(--radius);overflow:hidden;background:var(--paper-2);aspect-ratio:4/3}
.page-hero figure img{width:100%;height:100%;object-fit:cover}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0}
.chip{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.62);font-size:.82rem;color:#594d47}
.content-with-aside{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start}
.prose{font-size:1.01rem}
.prose h2{font-size:1.75rem;line-height:1.27;color:var(--ink);margin:50px 0 16px}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:1.2rem;color:var(--ink);margin:32px 0 10px}
.prose p{margin:0 0 18px}
.prose ul,.prose ol{padding-left:23px;margin:0 0 24px}
.prose li{margin:8px 0}
.prose blockquote{margin:28px 0;padding:20px 24px;border-left:4px solid var(--brand);background:var(--soft);color:#594c46}
.prose .inline-link{color:var(--brand-dark);text-decoration:underline;text-underline-offset:3px}
.sticky-aside{position:sticky;top:112px;display:grid;gap:16px}
.aside-box{padding:22px;border:1px solid var(--line);border-radius:16px;background:var(--white)}
.aside-box h2,.aside-box h3{margin:0 0 12px;font-size:1rem;color:var(--ink)}
.aside-box p{margin:0;color:var(--muted);font-size:.9rem}
.aside-box ul{list-style:none;padding:0;margin:0}
.aside-box li{border-top:1px solid #eee3db;padding:9px 0}
.aside-box li:first-child{border-top:0;padding-top:0}
.aside-box a{font-size:.9rem;color:#594a44}
.status-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:24px 0}
.status-item{padding:19px;border:1px solid var(--line);border-radius:15px;background:var(--white)}
.status-item strong{display:block;color:var(--ink);margin-bottom:5px}
.status-item p{margin:0;color:var(--muted);font-size:.92rem}
.timeline{position:relative;margin:28px 0;padding-left:34px}
.timeline::before{content:"";position:absolute;left:8px;top:7px;bottom:7px;width:1px;background:var(--line)}
.timeline-item{position:relative;padding:0 0 26px 18px}
.timeline-item::before{content:"";position:absolute;left:-30px;top:8px;width:11px;height:11px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 5px var(--paper)}
.timeline-item h3{margin:0 0 6px;font-size:1.05rem;color:var(--ink)}
.timeline-item p{margin:0;color:var(--muted)}
.matrix{width:100%;border-collapse:collapse;margin:26px 0;background:var(--white);border:1px solid var(--line)}
.matrix th,.matrix td{text-align:left;vertical-align:top;padding:15px 16px;border-bottom:1px solid var(--line)}
.matrix th{background:var(--paper-2);color:var(--ink);font-size:.9rem}
.matrix td{color:#5b4f49;font-size:.93rem}
.matrix tr:last-child td{border-bottom:0}
.faq-list{display:grid;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:15px;background:var(--white);overflow:hidden}
.faq-question{width:100%;display:flex;justify-content:space-between;gap:20px;text-align:left;padding:18px 20px;border:0;background:transparent;color:var(--ink);font-weight:750}
.faq-question::after{content:"+";font-size:1.3rem;color:var(--brand);line-height:1}
.faq-question[aria-expanded="true"]::after{content:"−"}
.faq-answer{padding:0 20px 19px;color:var(--muted)}
.faq-answer p{margin:0}
.tabs{margin-top:28px}
.tab-list{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:18px}
.tab-list button{border:1px solid var(--line);background:var(--white);padding:8px 13px;border-radius:999px;color:#5b4e48}
.tab-list button[aria-selected="true"]{background:var(--brand);color:#fff;border-color:var(--brand)}
.tab-panel{padding:22px;border:1px solid var(--line);border-radius:16px;background:var(--white)}
.directory-group{padding:27px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:220px 1fr;gap:30px}
.directory-group:last-child{border-bottom:0}
.directory-group h2{margin:0;color:var(--ink);font-size:1.25rem}
.directory-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.search-page{padding:56px 0 80px}
.search-box-large{padding:24px;border:1px solid var(--line);border-radius:18px;background:var(--white);margin:26px 0 34px}
.search-box-large form{display:grid;grid-template-columns:1fr auto;gap:10px}
.search-box-large input{width:100%;border:1px solid var(--line);background:#fff;padding:12px 14px;border-radius:10px;outline:none}
.search-box-large input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(200,92,58,.12)}
.search-box-large button{border:0;background:var(--brand);color:#fff;border-radius:10px;padding:10px 18px;font-weight:700}
.search-results{display:grid;gap:14px}
.search-result{padding:20px 22px;border:1px solid var(--line);border-radius:15px;background:var(--white)}
.search-result h2{font-size:1.12rem;margin:0 0 7px;color:var(--ink)}
.search-result p{margin:0;color:var(--muted)}
.search-result small{display:block;margin-top:8px;color:var(--brand-dark)}
.empty-state{padding:36px;border:1px dashed #cdbdaf;border-radius:18px;text-align:center;background:rgba(255,255,255,.36)}
.empty-state h2{margin-top:0;color:var(--ink)}
.search-modal[hidden]{display:none !important}
.search-modal{position:fixed;z-index:500;inset:0;display:grid;place-items:start center;padding:11vh 18px 18px;background:rgba(43,37,35,.64)}
.search-modal__panel{position:relative;width:min(720px,100%);padding:34px;border-radius:24px;background:var(--paper);box-shadow:0 28px 80px rgba(0,0,0,.26)}
.search-modal__panel h2{margin:0 42px 8px 0;color:var(--ink);font-size:1.75rem}
.search-modal__panel p{margin:0 0 20px;color:var(--muted)}
.search-modal__close{position:absolute;right:18px;top:16px;border:0;background:transparent;color:var(--ink);font-size:2rem;line-height:1;width:38px;height:38px}
.search-form label{display:block;font-weight:700;margin-bottom:7px;color:var(--ink)}
.search-form__row{display:grid;grid-template-columns:1fr auto;gap:10px}
.search-form input{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 13px;background:#fff;outline:none}
.search-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(200,92,58,.13)}
.search-form button{border:0;border-radius:10px;background:var(--brand);color:#fff;padding:10px 17px;font-weight:700}
.modal-open{overflow:hidden}
.notice-band{padding:16px 0;background:#efe2d7;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.notice-band .shell{display:flex;gap:12px;align-items:flex-start}
.notice-band strong{color:var(--brand-dark);white-space:nowrap}
.notice-band p{margin:0;color:#5f534d}
.site-footer{background:#2B2523;color:#ede4dc;padding:58px 0 24px;margin-top:0}
.footer-grid{max-width:var(--max);margin:0 auto;padding:0 22px;display:grid;grid-template-columns:1.45fr 1fr 1fr 1fr;gap:38px}
.site-footer h2{margin:0 0 14px;color:#fff;font-size:1rem}
.site-footer p{margin:0;color:#c8bbb4;max-width:460px;font-size:.92rem}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin:8px 0}
.site-footer a{color:#d9cec7;font-size:.9rem}
.site-footer a:hover{color:#fff}
.footer-bottom{max-width:var(--max);margin:36px auto 0;padding:18px 22px 0;border-top:1px solid #4b413d;display:flex;justify-content:space-between;gap:20px;color:#9f918a;font-size:.82rem}
.back-top{position:fixed;right:18px;bottom:18px;z-index:80;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:var(--white);color:var(--ink);box-shadow:0 8px 28px rgba(0,0,0,.12)}
[data-reveal]{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease}
[data-reveal].is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}[data-reveal]{opacity:1;transform:none;transition:none}}
@media (max-width:1100px){
  .header-shell{grid-template-columns:auto auto 1fr;gap:14px}
  .brand{order:1}
  .menu-toggle{order:2}
  .js .menu-toggle{display:block}
  .search-open{order:3;justify-self:end}
  .primary-nav{order:4;grid-column:1/-1;position:static;display:flex;flex-wrap:wrap;justify-content:flex-start;gap:5px;padding-top:4px}
  .js .primary-nav{position:absolute;left:18px;right:18px;top:76px;display:none;flex-direction:column;align-items:stretch;background:var(--paper);padding:12px;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}
  .js .primary-nav.is-open{display:flex}
  .primary-nav a{padding:11px 13px}
  .hero-grid,.page-hero__layout{grid-template-columns:1fr}
  .hero-visual{min-height:420px}
  .home-index{grid-template-columns:1fr}
  .side-note,.sticky-aside{position:static}
  .content-with-aside{grid-template-columns:1fr}
  .topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr}
  .footer-grid section:last-child{grid-column:2/4}
}
@media (max-width:840px){
  .section{padding:58px 0}
  .section-head{grid-template-columns:1fr;gap:12px}
  .editorial-strip{grid-template-columns:1fr 1fr}
  .editorial-feature{grid-column:1/-1;grid-row:auto;min-height:360px}
  .split-feature,.split-feature.reverse{grid-template-columns:1fr}
  .split-feature.reverse .split-media{order:0}
  .status-list{grid-template-columns:1fr}
  .directory-group{grid-template-columns:1fr;gap:15px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-grid section:last-child{grid-column:auto}
}
@media (max-width:640px){
  body{font-size:15.5px}
  .header-shell{padding:10px 15px;min-height:72px}
  .brand img{width:44px;height:44px}
  .brand-copy small{display:none}
  .search-open{padding:8px 10px;font-size:.84rem}
  .hero{padding:42px 0 30px}
  .hero-copy{padding-top:12px}
  .hero-copy h1{font-size:clamp(2.35rem,13vw,3.6rem)}
  .hero-visual{min-height:330px;border-radius:22px}
  .index-row{grid-template-columns:1fr auto;gap:10px}
  .index-row small{grid-column:1/-1}
  .editorial-strip{grid-template-columns:1fr}
  .editorial-feature{grid-column:auto;min-height:330px}
  .topic-grid{grid-template-columns:1fr}
  .page-hero{padding:32px 0 38px}
  .page-hero h1{font-size:2.35rem}
  .numbered-item{grid-template-columns:46px 1fr;gap:12px}
  .matrix{display:block;overflow-x:auto}
  .directory-links{grid-template-columns:1fr}
  .search-box-large form,.search-form__row{grid-template-columns:1fr}
  .search-modal{padding-top:7vh}
  .search-modal__panel{padding:28px 20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:390px){
  .shell,.reading-shell{padding-left:16px;padding-right:16px}
  .header-shell{padding-left:12px;padding-right:12px}
  .brand-copy strong{font-size:1.02rem}
  .menu-toggle{width:38px;height:38px}
  .search-open{font-size:.78rem}
  .hero-actions{display:grid}
  .button{width:100%}
}