:root{
    --bg:#F3E6C8;
    --bg-deep:#E4D2A8;
    --paper:#FFF8E8;
    --paper-2:#F7EDD4;
    --title:#3A2A12;
    --text:#4A3418;
    --muted:#7A5A28;
    --soft:#A08048;
    --bean:#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);
    --max:1080px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg)}
html.is-locked,body.is-locked{overflow:hidden}
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}
a{color:var(--bean);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(106,122,56,.42);outline-offset:2px}
button,input{font:inherit}
button{cursor:pointer}
img{max-width:100%;height:auto;display:block}
.skip-link{position:fixed;z-index:1000;left:16px;top:-60px;background:var(--paper);color:var(--bean);padding:10px 14px;border-radius:8px}
.skip-link:focus{top:8px}
.top-shell,.footer-shell,.content-shell{width:min(calc(100% - 32px),var(--max));margin:0 auto}
.sprout-line{position:fixed;z-index:90;left:0;right:0;top:0;height:22px;background:var(--bean);color:var(--paper);font-size:12px}
.sprout-line .top-shell{height:22px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.text-button{border:0;background:transparent;color:var(--paper);height:22px;min-width:44px;padding:0 8px}
.pod-bar{position:fixed;z-index:89;left:0;right:0;top:22px;height:56px;background:rgba(243,230,200,.98);border-bottom:1px solid var(--border-strong);backdrop-filter:saturate(110%) blur(7px)}
.pod-inner{height:56px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px}
.pod-brand{justify-self:start;min-width:110px;height:44px;display:flex;align-items:center;color:var(--title);font-size:16px;font-weight:700}
.brand-logo,.drawer-logo,.footer-logo{height:26px;width:auto;object-fit:contain;object-position:center}
.brand-fallback{display:inline-block;font-weight:700;white-space:nowrap}
.app-entry,.pod-menu-button{min-height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:9px;padding:0 14px;font-size:14px;font-weight:700}
.app-entry{justify-self:center;background:linear-gradient(135deg,#8A5A22 0%,#5A3C16 100%);color:var(--paper)}
.app-entry:hover{text-decoration:none;filter:brightness(1.04)}
.pod-menu-button{justify-self:end;border:1px solid var(--shell);background:var(--paper);color:var(--bean);min-width:64px}
.ridge-tabs{position:fixed;z-index:88;left:0;right:0;top:78px;height:38px;background:var(--paper);border-bottom:1px solid var(--border)}
.ridge-inner{height:38px;display:flex;align-items:center;justify-content:space-between}
.ridge-left,.ridge-right{display:flex;align-items:center;gap:8px}
.ridge-tabs a{height:30px;min-width:54px;padding:0 12px;border-radius:7px;display:inline-flex;align-items:center;justify-content:center;font-size:13px;color:var(--bean)}
.ridge-tabs a.is-current{background:var(--bean);color:var(--paper);text-decoration:none}
.site-main{padding-top:142px;padding-bottom:64px;min-height:70vh}
.content-shell{display:block}
.page-hero{padding:28px 0 18px}
.page-hero.compact{padding-bottom:8px}
.eyebrow{font-size:13px;color:var(--sprout);font-weight:700;letter-spacing:.08em;margin:0 0 8px}
h1,h2,h3{color:var(--title);line-height:1.3;margin-top:0}
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}
.lead{font-size:16px;line-height:1.8;max-width:820px;color:var(--text)}
.muted{color:var(--muted)}
.primary-button,.secondary-button{min-height:42px;padding:0 18px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;white-space:nowrap}
.primary-button{background:linear-gradient(135deg,#8A5A22 0%,#5A3C16 100%);color:var(--paper);box-shadow:var(--shadow)}
.primary-button:hover{text-decoration:none;filter:brightness(1.05)}
.secondary-button{background:var(--paper);color:var(--bean);border:1px solid var(--shell)}
.secondary-button:hover{text-decoration:none;background:var(--paper-2)}
.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.section-block{margin:28px 0 0;padding:24px;background:var(--paper);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow)}
.section-block.no-shadow{box-shadow:none}
.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:16px}
.section-heading p{margin:0;color:var(--muted);max-width:560px}
.media-slot{width:100%;background:var(--paper-2);border:1px solid var(--border);border-radius:10px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}
.banner-slot{height:200px}
.grid-media{height:140px}
.article-media{height:180px;margin-bottom:18px}
.feature-media{height:190px}
.app-media{height:340px}
.brand-media{height:220px}
.home-intro{display:grid;grid-template-columns:minmax(0,760px);gap:14px;padding:14px 0 6px}
.home-intro .primary-button{width:max-content}
.home-tagline{font-size:20px;color:var(--bean);font-weight:700;margin:0}
.cover-trough{margin-top:24px}
.quad-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.quad-card{background:var(--paper);border:1px solid var(--border);border-radius:11px;padding:14px;box-shadow:var(--shadow)}
.quad-card h3{margin-top:12px}
.quad-card p{margin-bottom:0}
.prose-single{max-width:820px;margin:0 auto}
.prose-single p{margin-bottom:17px}
.prose-single .prose-label{display:inline-flex;align-items:center;min-height:28px;padding:0 10px;background:var(--bg-deep);color:var(--bean);border-radius:999px;font-size:13px;font-weight:700;margin-bottom:6px}
.timeline{position:relative;margin:6px 0 0 8px;padding-left:28px;border-left:2px solid rgba(90,60,22,.24)}
.timeline article{position:relative;padding:0 0 22px 8px}
.timeline article:last-child{padding-bottom:0}
.timeline article::before{content:"";position:absolute;left:-37px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--sprout);border:3px solid var(--paper)}
.timeline .node-name{display:inline-block;font-size:13px;color:var(--bean);font-weight:700;margin-bottom:6px}
.two-notes{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.note-panel{background:var(--paper-2);border:1px solid var(--border);border-radius:10px;padding:18px}
.check-list{margin:0;padding-left:20px}
.check-list li{margin-bottom:8px}
.theme-bars{display:grid;gap:11px}
.theme-bar{display:grid;grid-template-columns:minmax(150px,220px) 1fr auto;gap:16px;align-items:center;padding:14px 16px;border:1px solid var(--border);border-left:4px solid var(--shell);background:var(--paper-2);border-radius:9px}
.theme-bar strong{color:var(--title)}
.status{display:inline-flex;align-items:center;justify-content:center;min-height:30px;padding:0 10px;border-radius:999px;background:var(--bg-deep);color:var(--bean);font-size:12px;font-weight:700;white-space:nowrap}
.app-split{display:grid;grid-template-columns:minmax(240px,.8fr) minmax(0,1.2fr);gap:26px;align-items:center}
.app-icon-row{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.app-icon-slot{width:48px;height:48px;border-radius:12px;background:var(--paper-2);border:1px solid var(--border);overflow:hidden;display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.app-icon-slot img{width:48px;height:48px;object-fit:contain}
.faq-mini{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.faq-mini article{background:var(--paper-2);border:1px solid var(--border);border-radius:9px;padding:16px}
.faq-mini article p{margin:0}
.brand-block{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:center}
.directory-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.directory-item{background:var(--paper);border:1px solid var(--border);border-radius:10px;padding:18px;box-shadow:var(--shadow)}
.directory-item h2{font-size:18px}
.directory-item ul{padding-left:18px;margin:8px 0 0}
.directory-item li{margin-bottom:7px}
.four-grid-page{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.four-grid-page article{background:var(--paper);border:1px solid var(--border);border-radius:11px;padding:18px}
.split-journal{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.journal-column{background:var(--paper);border:1px solid var(--border);border-radius:12px;padding:20px}
.journal-column article+article{border-top:1px solid var(--border);padding-top:17px;margin-top:17px}
.memo-list{display:grid;gap:14px}
.memo-item{background:var(--paper);border:1px solid var(--border);border-radius:10px;padding:18px;display:grid;grid-template-columns:150px 1fr;gap:18px}
.memo-item h2{font-size:17px;margin:0}
.method-stack{display:grid;gap:18px}
.method-stack article{background:var(--paper);border:1px solid var(--border);border-radius:11px;padding:20px}
.topic-list{display:grid;gap:14px}
.topic-list article{background:var(--paper);border:1px solid var(--border);border-radius:10px;padding:18px}
.topic-list article header{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:8px}
.product-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.product-card{background:var(--paper);border:1px solid var(--border);border-radius:11px;padding:20px}
.policy-article{background:var(--paper);border:1px solid var(--border);border-radius:12px;padding:24px;box-shadow:var(--shadow)}
.policy-article section+section{border-top:1px solid var(--border);padding-top:18px;margin-top:18px}
.policy-article ul{padding-left:20px}
.help-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.help-card{background:var(--paper);border:1px solid var(--border);border-radius:11px;padding:20px}
.faq-list{display:grid;gap:12px}
.faq-item{background:var(--paper);border:1px solid var(--border);border-radius:10px;padding:18px}
.faq-item h2{font-size:17px;margin-bottom:8px}
.contact-lanes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.contact-lane{background:var(--paper);border:1px solid var(--border);border-radius:10px;padding:20px}
.notice{padding:15px 17px;background:var(--paper-2);border-left:4px solid var(--sprout);border-radius:8px;color:var(--text)}
.inline-links{display:flex;flex-wrap:wrap;gap:9px;margin-top:12px}
.inline-links a{min-height:40px;padding:0 13px;border:1px solid var(--border-strong);border-radius:8px;display:inline-flex;align-items:center;background:var(--paper);font-size:14px}
.site-footer{background:#2E220E;color:var(--bg);border-top:1px solid rgba(243,230,200,.35);font-size:13px;padding:34px 0 calc(34px + env(safe-area-inset-bottom))}
.footer-brand-row{display:flex;align-items:center;gap:12px;padding-bottom:20px;border-bottom:1px solid rgba(243,230,200,.2)}
.footer-brand-row strong{display:block;color:var(--paper);font-size:16px}
.footer-brand-row span{display:block;color:var(--bg);font-size:12px}
.footer-brand-link{min-height:44px;display:flex;align-items:center}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;padding:22px 0}
.footer-grid h2{font-size:14px;color:var(--paper);margin-bottom:8px}
.footer-grid a{display:block;color:var(--bg);padding:4px 0}
.footer-note,.copyright{color:var(--bg);margin:0}
.footer-note{padding-top:16px;border-top:1px solid rgba(243,230,200,.2)}
.copyright{margin-top:8px;color:rgba(243,230,200,.74)}
.screen-mask{position:fixed;z-index:120;inset:0;background:rgba(46,34,14,.45);opacity:0;pointer-events:none;transition:opacity .18s ease}
.screen-mask.is-active{opacity:1;pointer-events:auto}
.drawer-panel{position:fixed;z-index:130;top:0;right:0;bottom:0;width:380px;max-width:88vw;background:var(--paper);transform:translateX(104%);transition:transform .22s ease;visibility:hidden;pointer-events:none;box-shadow:-16px 0 30px rgba(46,34,14,.16);display:flex;flex-direction:column}
.drawer-panel.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}
.drawer-head{height:72px;flex:0 0 auto;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid var(--border)}
.drawer-brand{display:flex;align-items:center;gap:10px;color:var(--title);font-weight:700}
.icon-button{min-width:52px;min-height:44px;border:1px solid var(--border-strong);border-radius:9px;background:var(--paper-2);color:var(--bean)}
.drawer-scroll{overflow:auto;padding:16px 18px 28px}
.drawer-scroll section+section{margin-top:22px}
.drawer-scroll h2{font-size:15px;margin-bottom:8px}
.drawer-scroll a{display:block;padding:11px 0;border-bottom:1px solid var(--border)}
.drawer-scroll a strong{display:block;color:var(--title);font-size:14px}
.drawer-scroll a span{display:block;color:var(--muted);font-size:12px;line-height:1.5;margin-top:2px}
.search-layer{position:fixed;z-index:129;top:78px;left:0;right:0;visibility:hidden;pointer-events:none;transform:translateY(-12px);opacity:0;transition:opacity .18s ease,transform .18s ease}
.search-layer.is-open{visibility:visible;pointer-events:auto;transform:translateY(0);opacity:1}
.search-card{width:min(calc(100% - 32px),760px);margin:14px auto 0;background:var(--paper);border:1px solid var(--border-strong);border-radius:12px;padding:18px;box-shadow:var(--shadow)}
.search-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.search-head h2{margin:0}
.search-card label{display:block;color:var(--muted);margin:12px 0 7px}
.search-card input{width:100%;min-height:46px;border:1px solid var(--border-strong);border-radius:9px;background:#fffdf7;color:var(--text);padding:0 13px}
.preset-links{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:13px}
.preset-links a{min-height:44px;display:flex;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:8px;background:var(--paper-2);font-weight:700}
.search-empty{margin:13px 0 0;color:var(--muted)}
.mobile-bottom{display:none}
@media (max-width:760px){
    .ridge-tabs{display:none}
    .site-main{padding-top:98px;padding-bottom:82px}
    .pod-inner{grid-template-columns:minmax(0,1fr) auto auto;gap:8px}
    .pod-brand{min-width:0}
    .brand-logo{max-width:132px}
    .app-entry{padding:0 10px}
    .pod-menu-button{min-width:58px;padding:0 10px}
    .home-intro{padding-top:8px}
    .quad-grid,.four-grid-page,.directory-list,.two-notes,.split-journal,.help-grid,.contact-lanes,.faq-mini,.product-grid,.brand-block,.app-split{grid-template-columns:1fr}
    .app-split{gap:18px}
    .app-media{height:300px}
    .theme-bar{grid-template-columns:1fr;gap:7px}
    .theme-bar .status{justify-self:start}
    .memo-item{grid-template-columns:1fr;gap:8px}
    .footer-grid{grid-template-columns:1fr 1fr}
    .search-layer{top:0;bottom:0;background:var(--bean);padding:16px;display:flex;align-items:flex-start;overflow:auto}
    .search-card{width:100%;margin:62px 0 70px;background:var(--bean);border-color:rgba(255,248,232,.28);color:var(--paper);box-shadow:none}
    .search-card h2,.search-card label,.search-card .search-empty{color:var(--paper)}
    .search-card input{background:var(--paper);color:var(--text)}
    .search-card .icon-button{background:var(--paper);color:var(--bean);border-color:var(--paper)}
    .preset-links{grid-template-columns:1fr 1fr}
    .preset-links a{background:rgba(255,248,232,.1);color:var(--paper);border-color:rgba(255,248,232,.3)}
    .mobile-bottom{position:fixed;z-index:85;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-strong)}
    .mobile-bottom a{min-width:0;display:flex;align-items:center;justify-content:center;color:var(--bean);font-size:12px;font-weight:700}
    .mobile-bottom a.is-current{background:var(--bean);color:var(--paper);text-decoration:none}
    .section-block{padding:18px}
    .page-hero{padding-top:18px}
    .section-heading{display:block}
    .section-heading p{margin-top:4px}
    .topic-list article header{display:block}
    .banner-slot{height:190px}
}
@media (max-width:430px){
    .top-shell,.footer-shell,.content-shell{width:min(calc(100% - 32px),var(--max))}
    .sprout-line .top-shell span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
    .footer-grid{grid-template-columns:1fr 1fr;gap:18px 14px}
    .preset-links{grid-template-columns:1fr}
}