:root{--bg:#F6EDE0;--deep:#EAD7C0;--card:#fff;--soft:#FFF6EA;--text:#4A3220;--title:#3A2414;--muted:#7A5634;--brand:#C4843C;--bright:#D9A05A;--dark:#8B5A2B;--border:rgba(196,132,60,.18);--shadow:0 12px 28px rgba(58,36,20,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}a{color:inherit;text-decoration:none}button{font:inherit}img{display:block;max-width:100%;object-fit:contain;object-position:center}.wrap{width:min(960px,calc(100% - 32px));margin:0 auto}.top-shell{position:fixed;inset:0 0 auto;z-index:30}.microbar{height:20px;background:var(--dark);color:var(--soft);font-size:12px}.micro-inner,.brand-inner,.quicknav-inner{display:flex;align-items:center;justify-content:space-between;height:100%}.text-action,.menu-btn,.close-btn{border:0;background:transparent;cursor:pointer}.text-action{color:var(--soft);min-height:20px}.brandbar{height:54px;background:#fff;border-bottom:1px solid var(--border)}.brand-home{min-height:44px;display:flex;align-items:center;color:var(--title)}.logo-img{height:24px;width:auto}.brand-actions{display:flex;align-items:center;gap:10px}.app-link,.menu-btn,.btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;padding:0 16px}.app-link{background:var(--soft);color:var(--dark);border:1px solid var(--border)}.menu-btn{background:linear-gradient(135deg,var(--bright),var(--brand) 55%,var(--dark));color:var(--soft)}.quicknav{height:44px;background:var(--soft);border-bottom:1px solid var(--border)}.quicknav-inner{justify-content:flex-start;gap:12px}.quicknav a{font-size:13px;padding:6px 10px;border-radius:999px;border:1px solid rgba(196,132,60,.46);color:var(--title)}.quicknav a.active{background:var(--brand);color:var(--soft)}.knot{width:18px;height:14px;border:2px solid var(--brand);border-radius:5px;display:inline-block}.site-main{padding-top:132px;padding-bottom:24px}.hero,.section,.page-head{margin:24px auto}.hero-card,.content-card,.note-card,.feature-card,.faq-card,.status-card{background:#fff;border:1px solid var(--border);border-radius:10px;box-shadow:var(--shadow)}.hero-card{padding:26px}.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--dark);font-weight:700}.eyebrow:before{content:"";width:18px;height:14px;border:2px solid var(--brand);border-radius:5px}h1,h2,h3{color:var(--title);margin-top:0}h1{font-size:24px;line-height:1.3;margin-bottom:10px}h2{font-size:20px}h3{font-size:16px}.lead{font-size:17px;color:var(--title);margin:8px 0 10px}.btn{background:linear-gradient(135deg,var(--bright),var(--brand) 55%,var(--dark));color:var(--soft);font-size:14px}.btn.secondary{background:#fff;color:var(--dark);border:1px solid var(--brand)}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.section-title{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:12px}.section-title p{margin:0;color:var(--muted)}.media-row{display:grid;grid-template-columns:240px 1fr;gap:18px;align-items:center}.media-slot{background:var(--soft);border:1px solid var(--border);border-radius:10px;display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot.knot-slot{width:240px;height:176px}.media-slot.horizontal{width:100%;height:168px}.media-slot.compact{height:160px}.media-slot.app{width:240px;height:320px}.media-slot.icon-slot{height:72px;margin-top:10px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}.stack{display:grid;gap:16px}.content-card,.note-card,.feature-card,.status-card{padding:20px}.tag{display:inline-block;padding:4px 9px;border-radius:999px;background:var(--soft);border:1px solid var(--border);color:var(--dark);font-size:12px}.mini-list{display:grid;gap:10px;margin:14px 0 0;padding:0;list-style:none}.mini-list li{padding:12px 0;border-top:1px solid var(--border)}.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.topic-grid .content-card{min-height:170px}.page-head .hero-card{padding:22px 24px}.page-layout{display:grid;grid-template-columns:1fr 1fr;gap:16px}.center-card{max-width:720px;margin:0 auto}.terms{display:grid;gap:14px}.terms section{background:#fff;border:1px solid var(--border);border-radius:10px;padding:20px}.status-list{display:grid;gap:12px}.status-line{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;border-bottom:1px solid var(--border);padding:14px 0}.status-line:last-child{border-bottom:0}.status-line b{color:var(--title)}.status-pill{white-space:nowrap;background:var(--soft);border:1px solid var(--border);border-radius:999px;padding:5px 10px;color:var(--dark);font-size:12px}.faq-list{display:grid;gap:14px}.faq-card h2{font-size:16px;margin-bottom:8px}.app-wrap{display:grid;grid-template-columns:240px 1fr;gap:22px;align-items:center}.about-banner{height:200px;background:var(--soft);border:1px solid var(--border);border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:18px}.site-footer{background:var(--dark);color:var(--soft);padding:28px 0 70px;border-top:1px solid rgba(255,246,234,.3)}.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:20px}.footer-brand div{display:grid}.footer-brand span{font-size:12px;opacity:.85}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.footer-grid h2{font-size:14px;color:var(--soft);margin-bottom:8px}.footer-grid a{display:block;font-size:13px;padding:4px 0;opacity:.9}.footer-note{font-size:13px;opacity:.9;border-top:1px solid rgba(255,246,234,.2);padding-top:16px;margin-top:20px}.overlay{position:fixed;inset:0;background:rgba(58,36,20,.35);z-index:50;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.open{opacity:1;visibility:visible;pointer-events:auto}.sheet-menu{position:fixed;left:0;right:0;bottom:0;z-index:60;background:#fff;border-top:1px solid var(--border);box-shadow:0 -14px 30px rgba(58,36,20,.18);max-height:220px;transform:translateY(105%);visibility:hidden;pointer-events:none;transition:.25s}.sheet-menu.open{transform:translateY(0);visibility:visible;pointer-events:auto}.sheet-head{display:flex;align-items:center;justify-content:space-between;padding:10px 18px;border-bottom:1px solid var(--border)}.sheet-brand{display:flex;align-items:center;gap:10px}.close-btn{min-height:40px;padding:0 12px;color:var(--dark)}.sheet-grid{display:grid;grid-template-columns:1.2fr 1.2fr .8fr 1.3fr;gap:14px;padding:12px 18px 16px;overflow:auto;max-height:162px}.sheet-grid h2{font-size:13px;margin-bottom:6px}.sheet-grid a{display:block;font-size:12px;padding:4px 0}.sheet-grid b,.sheet-grid span{display:block}.sheet-grid span{color:var(--muted);font-size:11px}.search-panel{position:fixed;top:74px;left:0;right:0;z-index:61;visibility:hidden;pointer-events:none;opacity:0;transition:.2s}.search-panel.open{visibility:visible;pointer-events:auto;opacity:1}.search-card{width:min(760px,calc(100% - 32px));margin:0 auto;background:#fff;border:1px solid var(--border);border-radius:10px;box-shadow:var(--shadow);padding:18px}.search-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.search-head p{margin:2px 0 0;color:var(--muted)}.search-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}.search-links a{padding:9px 12px;border-radius:999px;background:var(--soft);border:1px solid var(--border)}.mobile-bottom{display:none}.lock{overflow:hidden}.plain-list{display:grid;gap:12px;padding-left:18px}.plain-list li::marker{color:var(--brand)}
@media (max-width:720px){.quicknav{display:none}.site-main{padding-top:82px;padding-bottom:72px}.wrap{width:min(100% - 32px,960px)}.brand-actions{gap:6px}.app-link,.menu-btn{padding:0 12px}.media-row,.two-col,.page-layout,.app-wrap,.topic-grid{grid-template-columns:1fr}.media-slot.knot-slot,.media-slot.app{width:100%}.media-slot.app{height:320px}.sheet-menu{max-height:68vh}.sheet-grid{grid-template-columns:1fr 1fr;max-height:calc(68vh - 58px);padding-bottom:18px}.search-panel{top:0;bottom:0;background:var(--dark);padding-top:20px}.search-card{height:100%;background:var(--dark);color:var(--soft);border:0;box-shadow:none}.search-card strong,.search-card p,.search-card .close-btn{color:var(--soft)}.search-links a{background:rgba(255,246,234,.08);color:var(--soft);border-color:rgba(255,246,234,.28)}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:40;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid var(--border)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;font-size:13px;min-height:48px}.mobile-bottom a.active{background:var(--brand);color:var(--soft)}.site-footer{padding-bottom:92px}.footer-grid{grid-template-columns:1fr 1fr}.hero-card{padding:20px}.section-title{align-items:flex-start;flex-direction:column}.about-banner{height:200px}}
@media (max-width:420px){.footer-grid,.sheet-grid{grid-template-columns:1fr}.brand-home strong{font-size:15px}.app-link,.menu-btn{font-size:13px;padding:0 10px}}
:focus-visible{outline:3px solid rgba(217,160,90,.55);outline-offset:2px}