:root{
  --bg:#F6EDE4;--bg-deep:#E8D8C8;--card:#FFF8F2;--soft:#F0E4D6;
  --ink:#1A1612;--text:#2A241C;--muted:#5A5048;--aux:#7A7068;
  --orange:#E07030;--copper:#B06030;--line:rgba(26,22,18,.12);--focus:rgba(224,112,48,.50);
  --shadow:0 12px 28px rgba(26,22,18,.10);--max:960px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}
body.ui-locked{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
img{max-width:100%;display:block}
[hidden]{display:none!important}
.skip-link{position:fixed;left:12px;top:-60px;z-index:1000;background:var(--ink);color:var(--card);padding:8px 12px;border-radius:4px}
.skip-link:focus{top:8px}
.top-strip{position:fixed;z-index:90;top:0;left:0;right:0;height:20px;background:var(--ink);color:var(--bg);display:flex;align-items:center;justify-content:space-between;padding:0 max(16px,calc((100vw - var(--max))/2));font-size:12px;line-height:20px}
.strip-brand,.strip-search{min-height:20px;color:var(--bg)}
.strip-search{border:0;background:transparent;padding:0 2px}
.site-header{position:fixed;z-index:89;top:20px;left:0;right:0;height:54px;background:var(--card);border-bottom:1px solid var(--orange)}
.header-inner{height:100%;max-width:var(--max);margin:0 auto;padding:0 16px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand-link{min-width:52px;height:44px;display:flex;align-items:center}
.brand-logo{height:24px;width:auto;object-fit:contain;object-position:center}
.brand-fallback{font-weight:800;font-size:20px;letter-spacing:.03em;color:var(--ink)}
.header-actions{display:flex;align-items:center;gap:8px}
.app-link,.menu-button{height:40px;min-width:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:4px;border:1px solid var(--line);padding:0 14px;font-size:14px}
.app-link{border-color:var(--orange);color:var(--ink);background:var(--card)}
.menu-button{background:linear-gradient(135deg,var(--ink) 0%,var(--orange) 100%);color:var(--card);border:0}
.quick-nav{position:fixed;z-index:88;top:74px;left:0;right:0;height:46px;background:var(--card);border-bottom:1px solid var(--line)}
.quick-nav-inner{height:100%;max-width:var(--max);margin:0 auto;padding:0 16px;display:flex;align-items:center;gap:28px}
.quick-item{display:flex;align-items:center;gap:8px;height:44px;font-size:13px;color:var(--text)}
.quick-square{width:18px;height:18px;border:1px solid var(--ink);border-radius:2px;background:transparent}
.quick-item.is-current .quick-square{background:var(--orange);border-color:var(--orange)}
.site-main{max-width:var(--max);margin:0 auto;padding:152px 16px 72px;min-height:70vh}
h1,h2,h3{margin:0;color:var(--ink);line-height:1.3}
h1{font-size:24px;margin-bottom:14px}h2{font-size:20px;margin-bottom:12px}h3{font-size:16px;margin-bottom:8px}
p{margin:0 0 14px}.muted{color:var(--muted)}
.eyebrow{font-size:12px;letter-spacing:.12em;color:var(--copper);font-weight:700;margin-bottom:8px;text-transform:uppercase}
.lead{font-size:17px;line-height:1.65;color:var(--ink);margin-bottom:12px}.intro{max-width:760px;color:var(--muted)}
.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.btn{height:42px;min-width:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 18px;border-radius:4px;font-size:14px;font-weight:700}.btn-primary{background:linear-gradient(135deg,var(--ink) 0%,var(--orange) 100%);color:var(--card)}.btn-secondary{background:var(--card);color:var(--ink);border:1px solid var(--orange)}
a:hover,.strip-search:hover,.menu-button:hover,.panel-close:hover{opacity:.86}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--focus);outline-offset:3px}

.hero-index{padding:18px 0 32px}.index-markers{display:flex;gap:8px;margin-bottom:24px;flex-wrap:wrap}.index-markers a{min-height:30px;display:inline-flex;align-items:center;padding:0 12px;background:var(--orange);color:var(--card);border-radius:3px;font-size:13px;font-weight:700}
.section{padding:36px 0;border-top:1px solid var(--line)}.section-head{display:flex;justify-content:space-between;gap:18px;align-items:flex-end;margin-bottom:18px}.section-head p{max-width:540px;margin:0;color:var(--muted)}
.media-slot{background:var(--card);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.slot-empty{min-height:120px}
.slant-layout{display:grid;grid-template-columns:minmax(220px,300px) 1fr;gap:26px;align-items:center}.slant-media{height:176px;transform:skewX(-4deg);padding:10px}.slant-media>*{transform:skewX(4deg)}.slant-copy{padding:22px 0}
.dual-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}.story-card{background:var(--card);border:1px solid var(--line);border-radius:4px;padding:18px;min-width:0}.story-card .media-slot{height:170px;margin:-18px -18px 16px}.story-card p:last-child{margin-bottom:0}
.sheet-stack{display:grid;grid-template-columns:1fr 1fr;gap:20px}.sheet{position:relative;background:var(--card);border:1px solid var(--line);padding:22px;border-radius:3px;box-shadow:var(--shadow)}.sheet:before{content:"";position:absolute;inset:8px -7px -8px 7px;border:1px solid rgba(224,112,48,.28);z-index:-1;background:var(--soft)}.sheet .media-slot{height:180px;margin-bottom:16px}
.center-cards{display:grid;grid-template-columns:1fr 1fr;gap:18px}.center-card{text-align:center;background:var(--card);border:1px solid var(--line);border-radius:4px;padding:24px}.center-card .media-slot{height:188px;margin-bottom:16px}
.tri-period{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.period{background:var(--card);border-top:4px solid var(--orange);padding:18px;border-radius:2px}.period .media-slot{height:130px;margin-bottom:14px}
.status-list{display:grid;gap:12px}.status-item{display:grid;grid-template-columns:120px 1fr;gap:16px;background:var(--card);border:1px solid var(--line);padding:16px}.status-pill{display:inline-flex;align-items:center;justify-content:center;min-height:38px;background:var(--ink);color:var(--card);padding:6px 10px;border-radius:3px;text-align:center}.status-item:nth-child(2) .status-pill{background:var(--orange)}.status-item:nth-child(3) .status-pill{background:var(--copper)}
.app-split{display:grid;grid-template-columns:minmax(210px,300px) 1fr;gap:28px;align-items:center}.app-visual{position:relative}.app-visual .media-slot{height:320px}.app-icon{position:absolute;right:14px;bottom:14px;width:64px;height:64px;background:var(--card);border:1px solid var(--line);border-radius:6px;padding:8px;box-shadow:var(--shadow)}.app-icon img{width:48px;height:48px;object-fit:contain}
.text-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.text-block{background:var(--card);border-left:4px solid var(--orange);padding:18px}.faq-mini{display:grid;gap:10px}.faq-mini details{background:var(--card);border:1px solid var(--line);padding:12px 14px;border-radius:3px}.faq-mini summary{cursor:pointer;font-weight:700;color:var(--ink)}.faq-mini p{margin:10px 0 0;color:var(--muted)}

.page-title{margin-bottom:28px}.page-title .intro{max-width:780px}.page-media{height:220px;margin:18px 0 24px}.single-column{display:grid;gap:18px}.single-block{background:var(--card);border:1px solid var(--line);padding:20px;border-radius:3px}.single-block p:last-child{margin-bottom:0}
.notes-list{display:grid;gap:12px;counter-reset:item}.note{display:grid;grid-template-columns:42px 1fr;gap:16px;background:var(--card);border:1px solid var(--line);padding:16px}.note:before{counter-increment:item;content:counter(item, decimal-leading-zero);font-weight:800;color:var(--orange);font-size:18px}
.topic-list{display:grid;gap:14px}.topic-row{display:grid;grid-template-columns:160px 1fr;gap:20px;border-bottom:1px solid var(--line);padding:0 0 18px}.topic-row strong{color:var(--ink);font-size:16px}.method-columns{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}.method-panel{background:var(--card);border:1px solid var(--line);padding:20px}.method-panel ul{margin:10px 0 0;padding-left:20px}.method-panel li{margin:7px 0}
.center-intro{max-width:700px;margin:0 auto;text-align:center}.center-intro .media-slot{height:230px;margin:22px auto}.terms{display:grid;gap:18px}.term-section{padding:20px 0;border-bottom:1px solid var(--line)}.term-section:last-child{border-bottom:0}.term-section h2{display:flex;gap:10px;align-items:center}.term-section h2:before{content:"";width:8px;height:8px;background:var(--orange);border-radius:2px;flex:0 0 auto}.help-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.help-card{background:var(--card);border:1px solid var(--line);padding:18px;border-radius:3px}.contact-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.contact-item{background:var(--card);border-top:4px solid var(--orange);padding:20px}.banner-slot{height:200px;margin:16px 0 24px}.brand-statement{display:grid;grid-template-columns:1fr;gap:18px}.brand-quote{background:var(--ink);color:var(--card);padding:24px;border-radius:4px}.brand-quote h2,.brand-quote p{color:var(--card)}
.faq-list{display:grid;gap:12px}.faq-item{background:var(--card);border:1px solid var(--line);padding:18px;border-radius:3px}.faq-item h2{font-size:16px}.faq-item p:last-child{margin-bottom:0}

.site-footer{background:var(--ink);color:var(--bg);border-top:1px solid var(--orange);font-size:13px}.footer-inner{max-width:var(--max);margin:0 auto;padding:34px 16px calc(30px + env(safe-area-inset-bottom))}.footer-brand{display:grid;grid-template-columns:220px 1fr;gap:24px;padding-bottom:26px;border-bottom:1px solid rgba(246,237,228,.14)}.footer-brandline{display:flex;align-items:center;gap:9px}.footer-brandline strong{font-size:16px}.footer-brandline span{color:#D8C9BC}.footer-logo{height:24px;width:auto;object-fit:contain}.footer-brand p{margin:0;color:#D8C9BC}.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:24px 0}.footer-links h2{font-size:13px;color:var(--card);margin-bottom:8px}.footer-links a{display:block;color:#D8C9BC;padding:3px 0}.footer-bottom{padding-top:14px;border-top:1px solid rgba(246,237,228,.14);color:#D8C9BC}
.page-overlay{position:fixed;inset:0;z-index:120;background:rgba(26,22,18,.58);opacity:0;transition:opacity .18s ease;pointer-events:none}.page-overlay.is-open{opacity:1;pointer-events:auto}
.menu-panel{position:fixed;z-index:130;top:34px;left:50%;width:320px;max-height:360px;overflow:auto;transform:translate(-50%,-18px);opacity:0;background:var(--card);color:var(--text);border:1px solid var(--orange);box-shadow:var(--shadow);border-radius:5px;transition:.18s ease;visibility:hidden;pointer-events:none}.menu-panel.is-open{transform:translate(-50%,0);opacity:1;visibility:visible;pointer-events:auto}.menu-head,.search-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border-bottom:1px solid var(--line)}.menu-brand{display:flex;align-items:center;gap:8px;color:var(--ink)}.menu-brand img{height:24px;width:auto;object-fit:contain}.panel-close{min-width:44px;height:36px;border:1px solid var(--line);background:var(--soft);color:var(--ink);border-radius:4px}.menu-groups{padding:8px 16px 16px}.menu-groups section{padding:10px 0;border-bottom:1px solid var(--line)}.menu-groups section:last-child{border-bottom:0}.menu-groups h2{font-size:13px;color:var(--copper);margin-bottom:5px}.menu-groups a{display:block;padding:7px 0}.menu-groups a strong{display:block;color:var(--ink);font-size:14px}.menu-groups a span{display:block;color:var(--muted);font-size:12px;line-height:1.45}
.search-layer{position:fixed;z-index:131;top:74px;left:50%;width:min(700px,calc(100% - 32px));transform:translate(-50%,-12px);opacity:0;transition:.18s ease;visibility:hidden;pointer-events:none}.search-layer.is-open{transform:translate(-50%,0);opacity:1;visibility:visible;pointer-events:auto}.search-card{background:var(--card);border:1px solid var(--orange);box-shadow:var(--shadow);border-radius:4px}.search-head div{display:flex;flex-direction:column}.search-head strong{color:var(--ink)}.search-head span{font-size:12px;color:var(--muted)}.search-box{display:block;padding:16px}.search-box input{width:100%;height:44px;border:1px solid var(--line);background:#fff;color:var(--ink);padding:0 12px;border-radius:4px}.search-presets{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:0 16px 16px}.search-presets a{min-height:44px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);background:var(--soft);border-radius:3px}.search-empty{margin:0 16px 16px;color:var(--muted)}
.mobile-bottom{display:none}.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}

@media(max-width:720px){
  .quick-nav{display:none}.site-main{padding:106px 16px calc(76px + env(safe-area-inset-bottom))}.top-strip{padding:0 16px}.header-inner{padding:0 16px}.app-link,.menu-button{padding:0 11px}.slant-layout,.app-split,.method-columns,.footer-brand{grid-template-columns:1fr}.slant-media{width:100%;max-width:300px}.dual-cards,.sheet-stack,.center-cards,.text-grid,.help-grid,.contact-list{grid-template-columns:1fr}.tri-period{grid-template-columns:1fr}.status-item{grid-template-columns:1fr}.topic-row{grid-template-columns:1fr;gap:6px}.section-head{align-items:flex-start;flex-direction:column}.footer-links{grid-template-columns:repeat(2,1fr)}
  .mobile-bottom{position:fixed;z-index:95;left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(4,1fr);background:var(--card);border-top:1px solid var(--line)}.mobile-bottom a{height:48px;display:flex;align-items:center;justify-content:center;font-size:13px}.mobile-bottom a.is-current{background:var(--orange);color:var(--ink);font-weight:800}
  .menu-panel{top:34px;width:88%;max-height:360px}.search-layer{inset:0;width:100%;height:100%;transform:none;background:var(--ink);padding:74px 16px 72px;overflow:auto}.search-layer.is-open{transform:none}.search-card{background:var(--ink);color:var(--card);border:0;box-shadow:none}.search-head{border-color:rgba(246,237,228,.18);padding-left:0;padding-right:0}.search-head strong,.search-head span{color:var(--card)}.search-head span{opacity:.72}.search-layer .panel-close{background:var(--card);color:var(--ink)}.search-box{padding:16px 0}.search-presets{grid-template-columns:1fr 1fr;padding:0}.search-presets a{background:#2A241C;color:var(--card);border-color:rgba(246,237,228,.2)}.search-empty{margin:16px 0;color:var(--bg)}
}
@media(max-width:420px){.footer-links{grid-template-columns:1fr 1fr;gap:12px}.story-card{padding:16px}.story-card .media-slot{margin:-16px -16px 14px}.header-actions{gap:5px}.app-link,.menu-button{font-size:13px}.index-markers{margin-bottom:18px}}

.compact-media{height:150px;margin:0 0 16px;}