:root{
    --bg:#F3E6C8;--bg-deep:#E4D2A8;--surface:#FFF8E8;--surface-2:#F7EDD4;
    --title:#3A2A12;--text:#4A3418;--muted:#7A5A28;--soft:#A08048;
    --bean:#5A3C16;--shell:#8A5A22;--sprout:#6A7A38;--line:rgba(90,60,22,.16);--line-strong:rgba(90,60,22,.42);
    --shadow:0 12px 28px rgba(58,42,18,.08);--radius:10px;--max:1080px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.7 system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;display:block;object-fit:contain;object-position:center}button{font:inherit;color:inherit}a,button{touch-action:manipulation}.skip-link{position:fixed;left:16px;top:-60px;z-index:9999;background:var(--surface);padding:10px 14px;border:1px solid var(--shell);border-radius:8px}.skip-link:focus{top:8px}.bar-inner,.ridge-inner,.footer-inner,.page-wrap{width:min(var(--max),calc(100% - 32px));margin:0 auto}.ya-line{position:fixed;inset:0 0 auto;z-index:80;height:22px;background:var(--bean);color:var(--surface);font-size:12px}.ya-line .bar-inner{height:22px;display:flex;align-items:center;justify-content:space-between;gap:16px}.plain-tool{border:0;background:transparent;color:var(--surface);min-height:22px;padding:0 6px;cursor:pointer}.pod-bar{position:fixed;top:22px;left:0;right:0;z-index:79;height:56px;background:var(--bg);border-bottom:1px solid var(--line-strong)}.pod-inner{height:56px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}.brand-mark{justify-self:start;display:flex;align-items:center;min-height:44px;max-width:210px;font-weight:800;color:var(--title);font-size:16px}.brand-mark img,.footer-brand-line img,.drawer-brand img{height:26px;width:auto;max-width:160px}.app-entry{justify-self:center;display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 16px;color:var(--bean);font-weight:800}.drawer-trigger{justify-self:end;min-width:64px;min-height:44px;border:1px solid var(--shell);border-radius:9px;background:var(--surface);color:var(--bean);font-weight:800;cursor:pointer}.ridge-tabs{position:fixed;top:78px;left:0;right:0;z-index:78;height:38px;background:var(--surface);border-bottom:1px solid var(--line)}.ridge-inner{height:38px;display:flex;align-items:center;justify-content:space-between;gap:18px}.ridge-left,.ridge-right{display:flex;align-items:center;gap:8px}.ridge-tabs a{display:inline-flex;align-items:center;justify-content:center;min-height:28px;padding:0 12px;border-radius:7px;font-size:13px;color:var(--bean)}.ridge-tabs a.is-current{background:var(--bean);color:var(--surface)}.site-main{padding-top:116px;min-height:60vh}.page-wrap{padding:34px 0 52px}.page-head{margin-bottom:28px;max-width:840px}.eyebrow{font-size:13px;color:var(--sprout);font-weight:800;letter-spacing:.04em}.page-head h1,.hero-intro h1{font-size:24px;line-height:1.3;margin:8px 0 12px;color:var(--title)}h2{font-size:20px;line-height:1.4;color:var(--title)}h3{font-size:16px;line-height:1.45;color:var(--title)}p{margin:0 0 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img{width:100%;height:100%}.banner-slot{height:200px}.grid-media{height:140px}.long-media{height:180px}.app-media{height:340px}.compact-media{height:165px}.hero-intro{padding:34px 0 10px;max-width:800px}.hero-intro .hero-line{font-size:20px;font-weight:800;color:var(--shell);margin:4px 0 10px}.hero-intro .actions{margin-top:18px}.quad-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.quad-card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px;box-shadow:var(--shadow)}.quad-card h2,.quad-card h3{margin:12px 0 6px}.quad-card p{color:var(--muted)}.long-article{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:22px}.long-article h2{margin-top:0}.article-mark{font-weight:900;color:var(--shell);margin-right:8px}.timeline{position:relative;margin:18px 0 0;padding-left:28px}.timeline:before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:var(--line-strong)}.timeline article{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:14px 16px;margin:0 0 14px}.timeline article:before{content:"";position:absolute;left:-26px;top:20px;width:10px;height:10px;border-radius:50%;background:var(--sprout);border:3px solid var(--bg)}.timeline h3{margin:0 0 5px}.note-split{display:grid;grid-template-columns:1fr 1fr;gap:16px}.note-panel{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px}.note-panel h2,.note-panel h3{margin-top:0}.note-panel ul,.check-list{padding-left:20px;margin:10px 0 0}.theme-strips{display:grid;gap:10px}.theme-strip{display:grid;grid-template-columns:minmax(150px,.7fr) 1.8fr auto;gap:14px;align-items:center;background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--shell);padding:14px 16px;border-radius:9px}.theme-strip strong{color:var(--title)}.theme-strip 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7px}.brand-note{background:var(--bg-deep);border:1px solid var(--line-strong);border-radius:12px;padding:20px}.brand-note h2{margin-top:0}.observatory-index{display:grid;grid-template-columns:220px 1fr;gap:22px}.observatory-nav{align-self:start;position:sticky;top:138px;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:12px}.observatory-nav a{display:block;padding:9px 10px;border-radius:7px;color:var(--bean);font-weight:700}.observatory-body article{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:20px;margin-bottom:16px}.observatory-body h2{margin-top:0}.memo-layout{display:grid;grid-template-columns:1fr 1fr;gap:18px}.memo-column{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px}.memo-column article+article{border-top:1px solid var(--line);padding-top:16px;margin-top:16px}.memo-column h2,.memo-column h3{margin-top:0}.checkboard{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.check-card{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:18px}.check-card h2{margin-top:0}.method-flow{display:grid;gap:14px}.method-step{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:18px;display:grid;grid-template-columns:120px 1fr;gap:16px}.method-step strong{color:var(--shell);font-size:16px}.collection-list{display:grid;gap:14px}.collection-item{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:18px}.collection-item h2{margin:0 0 8px}.product-hero{display:grid;grid-template-columns:260px 1fr;gap:28px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:22px}.product-hero .app-media{height:320px}.product-facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:16px}.product-facts div{background:var(--surface-2);border:1px solid var(--line);border-radius:9px;padding:14px}.policy-stack{display:grid;gap:14px}.policy-stack section{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:20px}.policy-stack h2{margin-top:0}.help-index{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.help-card{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:18px}.help-card h2{margin-top:0}.faq-long{display:grid;gap:12px}.faq-long article{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:18px}.faq-long h2{font-size:16px;margin:0 0 8px}.contact-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.contact-card{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:18px}.about-lead{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:22px}.about-lead h2{margin-top:0}.site-footer{background:#2E220E;color:var(--bg);border-top:1px solid rgba(243,230,200,.28)}.footer-inner{padding:34px 0 calc(26px + env(safe-area-inset-bottom))}.footer-brand{display:grid;grid-template-columns:280px 1fr;gap:26px;border-bottom:1px solid rgba(243,230,200,.18);padding-bottom:22px}.footer-brand-line{display:flex;align-items:center;gap:12px}.footer-brand-line div{display:flex;flex-direction:column}.footer-brand-line strong{font-size:16px;color:var(--surface)}.footer-brand-line span{font-size:12px;color:var(--bg)}.footer-brand p{font-size:13px;color:var(--bg);margin:0}.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:22px 0}.footer-links section{display:flex;flex-direction:column;gap:5px}.footer-links h2{color:var(--surface);font-size:13px;margin:0 0 5px}.footer-links a{font-size:13px;color:var(--bg)}.footer-copy{font-size:13px;color:var(--bg);border-top:1px solid rgba(243,230,200,.16);padding-top:16px}.screen-mask{position:fixed;inset:0;z-index:120;background:rgba(46,34,14,.42);pointer-events:none}.pod-drawer{position:fixed;z-index:130;top:0;right:0;width:min(380px,88vw);height:100dvh;background:var(--surface);border-left:1px solid var(--line-strong);box-shadow:-18px 0 36px rgba(46,34,14,.14);transform:translateX(0);transition:transform .22s ease,visibility .22s;visibility:visible}.pod-drawer[aria-hidden="true"]{transform:translateX(102%);visibility:hidden;pointer-events:none}.drawer-head{height:70px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;border-bottom:1px solid var(--line)}.drawer-brand{display:flex;align-items:center;gap:10px}.drawer-head button,.search-head button{min-height:44px;padding:0 12px;border:1px solid var(--shell);border-radius:8px;background:var(--surface);color:var(--bean);cursor:pointer}.drawer-scroll{height:calc(100dvh - 70px);overflow:auto;padding:14px 16px 24px}.drawer-scroll section+section{margin-top:18px}.drawer-scroll h2{font-size:13px;color:var(--soft);margin:0 0 6px}.drawer-scroll a{display:block;border-top:1px solid var(--line);padding:10px 0}.drawer-scroll a strong{display:block;color:var(--title)}.drawer-scroll a span{display:block;color:var(--muted);font-size:13px;margin-top:2px}.search-layer{position:fixed;z-index:125;top:78px;left:0;right:0;padding:12px 16px}.search-card{width:min(760px,100%);margin:0 auto;background:var(--surface);border:1px solid var(--line-strong);border-radius:12px;box-shadow:var(--shadow);padding:18px}.search-head{display:flex;align-items:center;justify-content:space-between;gap:16px}.search-head h2{margin:0}.search-card p{color:var(--muted)}.search-presets{display:flex;flex-wrap:wrap;gap:10px}.search-presets a{display:inline-flex;min-height:44px;align-items:center;padding:0 14px;background:var(--surface-2);border:1px solid var(--line);border-radius:8px;color:var(--bean);font-weight:800}.ui-locked{overflow:hidden}.mobile-dock{display:none}
@media (max-width:760px){.bar-inner,.ridge-inner,.footer-inner,.page-wrap{width:calc(100% - 32px)}.ridge-tabs{display:none}.site-main{padding-top:78px;padding-bottom:58px}.page-wrap{padding-top:26px}.pod-inner{grid-template-columns:1fr auto auto;gap:8px}.brand-mark{max-width:150px}.app-entry{padding:0 8px}.drawer-trigger{min-width:60px}.quad-grid,.note-split,.faq-grid,.memo-layout,.checkboard,.help-index,.contact-grid{grid-template-columns:1fr}.theme-strip{grid-template-columns:1fr;gap:6px}.app-feature,.product-hero{grid-template-columns:1fr}.app-feature .app-media,.product-hero .app-media{height:300px}.bullet-columns{columns:1}.observatory-index{grid-template-columns:1fr}.observatory-nav{position:static;display:flex;gap:6px;overflow-x:auto;white-space:nowrap}.observatory-nav a{border:1px solid var(--line)}.method-step{grid-template-columns:1fr;gap:6px}.footer-brand{grid-template-columns:1fr}.footer-links{grid-template-columns:repeat(2,1fr)}.mobile-dock{display:grid;position:fixed;z-index:90;left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);grid-template-columns:repeat(5,1fr);background:var(--surface);border-top:1px solid var(--line-strong)}.mobile-dock a{display:flex;align-items:center;justify-content:center;min-height:48px;font-size:13px;color:var(--bean)}.mobile-dock a.is-current{background:var(--bean);color:var(--surface)}.search-layer{top:0;bottom:0;background:var(--bean);padding:16px}.search-card{height:100%;background:var(--bean);border:0;box-shadow:none;color:var(--surface);padding:64px 0 0}.search-head h2,.search-card p{color:var(--surface)}.search-head button{background:var(--surface);color:var(--bean)}.search-presets a{background:rgba(255,248,232,.08);border-color:rgba(255,248,232,.34);color:var(--surface)}.screen-mask{z-index:110}.pod-drawer{z-index:130}.mobile-dock{z-index:90}}
@media (max-width:420px){.brand-mark{font-size:15px;max-width:128px}.brand-mark img{max-width:125px}.app-entry{font-size:13px}.drawer-trigger{font-size:13px;min-width:56px}.hero-intro h1,.page-head h1{font-size:23px}.footer-links{grid-template-columns:1fr 1fr}.product-facts{grid-template-columns:1fr}}