:root{
  --bean:#F3E6C8;--bean-deep:#E4D2A8;--paper:#FFF8E8;--paper-soft:#F7EDD4;
  --title:#3A2A12;--text:#4A3418;--muted:#7A5A28;--assist:#A08048;
  --deep:#5A3C16;--shell:#8A5A22;--sprout:#6A7A38;
  --border:rgba(90,60,22,.16);--border-strong:rgba(90,60,22,.42);
  --shadow:0 12px 28px rgba(58,42,18,.08)
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bean)}
body{margin:0;overflow-x:hidden;color:var(--text);background:linear-gradient(180deg,var(--bean) 0%,var(--paper-soft) 100%);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;font-size:15px;line-height:1.7;padding-top:116px}
body.drawer-open,body.search-open{overflow:hidden}
a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}
img{max-width:100%;height:auto;object-fit:contain;object-position:center;display:block}
.skip-link{position:fixed;left:16px;top:-60px;z-index:1200;background:var(--paper);color:var(--deep);padding:8px 12px;border:1px solid var(--border-strong);border-radius:8px}
.skip-link:focus{top:8px}
.beanline{position:fixed;z-index:900;left:0;right:0;top:0;height:22px;background:var(--deep);color:var(--paper);font-size:12px}
.beanline-inner,.podbar-inner,.ridge-tabs-inner,.footer-inner,.page-wrap{max-width:1080px;margin:0 auto}
.beanline-inner{height:22px;display:flex;align-items:center;justify-content:space-between;padding:0 18px}
.text-button{border:0;background:transparent;color:var(--paper);padding:0 2px;min-height:22px}
.podbar{position:fixed;z-index:890;left:0;right:0;top:22px;height:56px;background:rgba(243,230,200,.97);border-bottom:1px solid var(--border)}
.podbar-inner{height:56px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 18px}
.brand-link{justify-self:start;display:flex;align-items:center;min-height:44px}.brand-logo{height:26px;width:auto}.brand-text{font-size:16px;font-weight:700;color:var(--title)}
.app-link{justify-self:center;min-height:44px;display:flex;align-items:center;color:var(--deep);font-weight:700}
.pod-drawer-button{justify-self:end;min-width:64px;min-height:44px;border:1px solid var(--border-strong);border-radius:9px;background:var(--paper);color:var(--deep)}
.ridge-tabs{position:fixed;z-index:880;left:0;right:0;top:78px;height:38px;background:var(--paper);border-bottom:1px solid var(--border)}
.ridge-tabs-inner{height:38px;display:flex;justify-content:space-between;align-items:center;padding:0 18px}
.ridge-left,.ridge-right{display:flex;gap:8px}.ridge-tabs a{font-size:13px;padding:5px 12px;border-radius:7px;color:var(--muted)}
.ridge-tabs a:hover,.ridge-tabs a:focus-visible,.ridge-tabs a.is-current{background:var(--deep);color:var(--paper)}
.site-main{min-height:60vh}.page-wrap{padding:34px 18px 70px}
.page-hero{padding:18px 0 22px;border-bottom:1px solid var(--border)}
.eyebrow{margin:0 0 5px;color:var(--sprout);font-weight:700;font-size:13px;letter-spacing:.08em}
h1,h2,h3{color:var(--title);margin-top:0}h1{font-size:24px;line-height:1.3;margin-bottom:12px}h2{font-size:20px;line-height:1.4}h3{font-size:16px;line-height:1.5}
p{margin:0 0 14px}.lead{font-size:16px;max-width:760px;color:var(--text)}.muted{color:var(--muted)}
.primary-btn,.secondary-btn,.inline-link{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 17px;border-radius:9px;font-size:14px}
.primary-btn{background:linear-gradient(135deg,var(--shell) 0%,var(--deep) 100%);color:var(--paper);border:1px solid transparent}
.secondary-btn{background:var(--paper);color:var(--deep);border:1px solid var(--shell)}
.inline-link{min-height:40px;padding:0 14px;background:var(--paper-soft);border:1px solid var(--border);color:var(--deep)}
.primary-btn:hover,.secondary-btn:hover,.inline-link:hover{transform:translateY(-1px);box-shadow:var(--shadow)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(106,122,56,.4);outline-offset:2px}
.section{padding:34px 0;border-bottom:1px solid var(--border)}.section:last-child{border-bottom:0}
.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:18px}.section-heading p{margin:0;max-width:620px;color:var(--muted)}
.media-slot{display:flex;align-items:center;justify-content:center;background:var(--paper);border:1px solid var(--border);border-radius:10px;overflow:hidden}
.media-slot img{width:100%;height:100%;object-fit:contain}.banner-slot{height:200px;width:100%}.thumb-slot{height:140px}.long-slot{height:180px}.app-slot{height:320px}.brand-slot{height:200px}
.grid-four{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.grid-card{background:var(--paper);border:1px solid var(--border);border-radius:10px;padding:14px;box-shadow:0 6px 18px rgba(58,42,18,.04)}
.grid-card h3{margin:12px 0 6px}.grid-card p{margin:0;color:var(--muted)}
.longform{max-width:820px}.longform .marker{display:inline-flex;padding:4px 10px;border-radius:999px;background:var(--bean-deep);color:var(--deep);font-size:13px;font-weight:700;margin:6px 0 10px}.longform p{margin-bottom:16px}
.timeline{position:relative;margin:8px 0 0;padding-left:24px}.timeline:before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:1px;background:var(--border-strong)}
.timeline-item{position:relative;padding:0 0 24px 20px}.timeline-item:last-child{padding-bottom:0}.timeline-item:before{content:"";position:absolute;left:-22px;top:7px;width:11px;height:11px;border-radius:50%;background:var(--deep);box-shadow:0 0 0 5px var(--paper-soft)}
.note-columns{display:grid;grid-template-columns:1fr 1fr;gap:18px}.note-panel{background:var(--paper);border:1px solid var(--border);border-radius:10px;padding:18px}.note-panel ul,.check-list{margin:0;padding-left:20px}.note-panel li,.check-list li{margin:7px 0}
.theme-bars{display:grid;gap:10px}.theme-bar{display:grid;grid-template-columns:150px 1fr auto;gap:14px;align-items:center;padding:14px 16px;background:var(--paper);border:1px solid var(--border);border-left:4px solid var(--shell);border-radius:9px}
.theme-bar strong{color:var(--title)}.status{font-size:12px;color:var(--deep);border:1px solid var(--border-strong);padding:3px 8px;border-radius:999px;white-space:nowrap}
.app-feature{display:grid;grid-template-columns:minmax(220px,320px) 1fr;gap:26px;align-items:center}.app-copy .icon-row{display:flex;align-items:center;gap:12px;margin-bottom:10px}.app-icon{width:48px;height:48px}
.read-points{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.read-point{padding:16px;background:rgba(255,248,232,.72);border:1px solid var(--border);border-radius:9px}
.faq-mini{display:grid;gap:10px}.faq-mini details,.faq-list details{background:var(--paper);border:1px solid var(--border);border-radius:9px;padding:12px 14px}.faq-mini summary,.faq-list summary{cursor:pointer;color:var(--title);font-weight:700}.faq-mini details p,.faq-list details p{margin:10px 0 0}
.observe-directory{display:grid;grid-template-columns:210px 1fr;gap:24px}.observe-index{position:sticky;top:134px;align-self:start;background:var(--paper);border:1px solid var(--border);border-radius:10px;padding:14px}
.observe-index a{display:block;padding:8px 10px;border-radius:7px;color:var(--muted)}.observe-index a:hover{background:var(--bean-deep);color:var(--deep)}
.observe-content section{padding:0 0 24px;margin:0 0 24px;border-bottom:1px solid var(--border)}
.split-notes{display:grid;grid-template-columns:1.05fr .95fr;gap:22px}.split-notes .paper{background:var(--paper);border:1px solid var(--border);border-radius:10px;padding:20px}
.memo-list{display:grid;gap:14px}.memo-row{display:grid;grid-template-columns:170px 1fr;gap:18px;padding:16px 0;border-bottom:1px solid var(--border)}.memo-row:last-child{border-bottom:0}
.method-steps{counter-reset:steps;max-width:850px}.method-step{position:relative;padding:16px 16px 16px 64px;margin-bottom:14px;background:var(--paper);border:1px solid var(--border);border-radius:10px}
.method-step:before{counter-increment:steps;content:counter(steps);position:absolute;left:18px;top:18px;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--deep);color:var(--paper);font-weight:700}
.topic-list{display:grid;gap:14px}.topic-item{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:18px;background:var(--paper);border:1px solid var(--border);border-radius:10px}.topic-item .tag{color:var(--sprout);font-weight:700}
.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.product-card{background:var(--paper);border:1px solid var(--border);border-radius:10px;padding:18px}
.clause-stack{display:grid;gap:12px}.clause{background:var(--paper);border-left:4px solid var(--deep);padding:17px 18px;border-radius:8px;border-top:1px solid var(--border);border-right:1px solid var(--border);border-bottom:1px solid var(--border)}
.help-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.help-card{background:var(--paper);border:1px solid var(--border);border-radius:10px;padding:16px}
.contact-paths{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.contact-card{background:var(--paper);border:1px solid var(--border);border-radius:10px;padding:18px}
.brand-statement{display:grid;grid-template-columns:1fr 280px;gap:24px;align-items:start}.statement-block{padding:18px 0;border-bottom:1px solid var(--border)}
.notice-box{padding:14px 16px;border-radius:9px;background:var(--bean-deep);border:1px solid var(--border);color:var(--deep)}
.kicker-row{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}.kicker-row span{font-size:12px;padding:4px 9px;border-radius:999px;background:var(--paper);border:1px solid var(--border);color:var(--muted)}
.site-footer{background:#2E220E;color:var(--bean);border-top:1px solid rgba(243,230,200,.22)}.footer-inner{padding:34px 18px 70px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:24px}.footer-logo{height:26px;width:auto}.footer-brand strong{display:block;color:var(--paper);font-size:16px}.footer-brand span{font-size:12px;color:var(--bean)}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.footer-grid h2{font-size:14px;color:var(--paper);margin-bottom:8px}.footer-grid a{display:block;font-size:13px;color:var(--bean);padding:3px 0}.footer-grid a:hover{text-decoration:underline}
.footer-note{margin:24px 0 8px;padding-top:18px;border-top:1px solid rgba(243,230,200,.16);font-size:13px;color:var(--bean)}.copyright{font-size:13px;color:rgba(243,230,200,.72)}
.screen-mask{position:fixed;inset:0;z-index:980;background:rgba(46,34,14,.42);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.screen-mask.is-visible{opacity:1;visibility:visible}
.pod-drawer{position:fixed;z-index:1000;top:0;right:0;bottom:0;width:380px;max-width:88vw;background:var(--paper);transform:translateX(102%);visibility:hidden;pointer-events:none;transition:transform .22s ease,visibility .22s;overflow-y:auto;box-shadow:-14px 0 28px rgba(46,34,14,.14)}
.drawer-open .pod-drawer{transform:translateX(0);visibility:visible;pointer-events:auto}
.drawer-head{position:sticky;top:0;z-index:2;display:flex;justify-content:space-between;align-items:center;padding:13px 16px;background:var(--paper);border-bottom:1px solid var(--border)}
.drawer-brand{display:flex;align-items:center;gap:10px}.drawer-brand img{height:26px;width:auto}.drawer-brand strong{display:block;color:var(--title)}.drawer-brand span{font-size:11px;color:var(--muted)}
.drawer-close,.search-top button{min-height:40px;padding:0 12px;border:1px solid var(--border-strong);border-radius:8px;background:var(--paper-soft);color:var(--deep)}
.drawer-groups{padding:12px 16px 30px}.drawer-groups section{padding:12px 0;border-bottom:1px solid var(--border)}.drawer-groups section:last-child{border-bottom:0}.drawer-groups h2{font-size:14px;margin-bottom:8px}
.drawer-groups a{display:block;padding:9px 10px;border-radius:8px}.drawer-groups a:hover{background:var(--paper-soft)}.drawer-groups a strong{display:block;font-size:14px;color:var(--title)}.drawer-groups a span{display:block;font-size:12px;color:var(--muted)}
.search-layer{position:fixed;z-index:990;left:0;right:0;top:78px;visibility:hidden;pointer-events:none;opacity:0;transition:.18s}.search-open .search-layer{visibility:visible;pointer-events:auto;opacity:1}
.search-card{max-width:720px;margin:0 auto;background:var(--paper);border:1px solid var(--border);border-radius:0 0 12px 12px;box-shadow:var(--shadow);padding:18px}
.search-top{display:flex;justify-content:space-between;gap:14px}.search-top strong{color:var(--title);font-size:16px}.search-top p{font-size:13px;color:var(--muted);margin-top:2px}
.search-presets{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 16px}.search-presets a{padding:6px 11px;background:var(--paper-soft);border:1px solid var(--border);border-radius:999px;font-size:13px}
.local-search label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}.local-search>div{display:flex;gap:8px}.local-search input{flex:1;min-width:0;min-height:42px;border:1px solid var(--border-strong);border-radius:8px;padding:0 12px;background:#fffdf7;color:var(--text)}.local-search button{min-height:42px;border:0;border-radius:8px;padding:0 14px;background:var(--deep);color:var(--paper)}
.mobile-bar{display:none}
@media (max-width:760px){
 body{padding-top:78px;padding-bottom:calc(58px + env(safe-area-inset-bottom))}
 .beanline-inner,.podbar-inner,.page-wrap,.footer-inner{padding-left:16px;padding-right:16px}.ridge-tabs{display:none}
 .podbar-inner{grid-template-columns:1fr auto auto;gap:8px}.brand-link{min-width:0}.brand-text{font-size:15px;white-space:nowrap}.app-link{padding:0 8px;font-size:14px}.pod-drawer-button{min-width:58px}
 .page-wrap{padding-top:24px;padding-bottom:48px}.section{padding:28px 0}
 .grid-four,.note-columns,.read-points,.product-grid,.help-grid,.contact-paths,.split-notes{grid-template-columns:1fr}
 .theme-bar{grid-template-columns:1fr auto}.theme-bar p{grid-column:1/-1;margin:0}.app-feature,.brand-statement{grid-template-columns:1fr}.app-slot{height:300px}
 .observe-directory{grid-template-columns:1fr}.observe-index{position:static;display:flex;gap:6px;overflow-x:auto;white-space:nowrap}.observe-index a{flex:0 0 auto}
 .memo-row,.topic-item{grid-template-columns:1fr;gap:6px}.footer-grid{grid-template-columns:repeat(2,1fr);gap:18px}.footer-inner{padding-bottom:84px}
 .search-layer{top:0;bottom:0;background:var(--deep)}.search-card{height:100%;max-width:none;border:0;border-radius:0;background:var(--deep);color:var(--paper);padding:26px 16px}
 .search-top strong,.search-top p,.local-search label{color:var(--paper)}.search-top button{background:var(--paper);color:var(--deep)}
 .search-presets a{background:rgba(255,248,232,.1);border-color:rgba(255,248,232,.35);color:var(--paper)}
 .mobile-bar{position:fixed;z-index:850;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(5,1fr);background:var(--paper);border-top:1px solid var(--border)}
 .mobile-bar a{display:flex;align-items:center;justify-content:center;min-height:48px;font-size:12px;color:var(--muted)}.mobile-bar a.is-current{background:var(--deep);color:var(--paper)}
}
@media (max-width:420px){.beanline-inner{padding-left:10px;padding-right:10px}.beanline-inner span{max-width:78%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.footer-grid{grid-template-columns:1fr 1fr}}