:root{--bg:#F7F1D8;--deep-bg:#E8DFA8;--surface:#FFF9E8;--soft:#F0E8C0;--ink:#16140C;--text:#2A2614;--muted:#5A5428;--aux:#7A7440;--yellow:#E8C430;--border:rgba(22,20,12,.12);--border-strong:rgba(232,196,48,.55);--shadow:0 12px 28px rgba(22,20,12,.10);--max:960px}
*{box-sizing:border-box}html{scroll-behavior:smooth}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.is-locked{overflow:hidden}a{text-decoration:none;color:inherit}img{display:block;max-width:100%}button,input{font:inherit}button{cursor:pointer}.site-header{position:fixed;inset:0 0 auto;z-index:60}.top-strip{height:20px;background:var(--ink);color:var(--yellow);font-size:12px}.top-strip-inner,.brand-bar-inner{max-width:var(--max);height:100%;margin:auto;padding:0 16px;display:flex;align-items:center;justify-content:space-between}.top-search{border:0;background:transparent;color:var(--yellow);font-size:12px;padding:0 4px;min-height:20px}.brand-bar{height:54px;background:var(--surface);border-bottom:1px solid var(--border)}.brand-bar-inner{gap:16px}.brand-link{min-height:44px;display:flex;align-items:center}.brand-logo{height:24px;width:auto;max-width:160px;object-fit:contain;object-position:left center}.brand-fallback{font-size:16px;font-weight:900;color:var(--ink)}.brand-actions{display:flex;gap:8px;align-items:center}.app-entry,.menu-entry{height:44px;min-width:72px;padding:0 14px;display:inline-flex;align-items:center;justify-content:center;border-radius:12px;font-size:14px;font-weight:800}.app-entry{background:var(--surface);border:1px solid var(--ink);color:var(--ink)}.menu-entry{background:var(--ink);border:1px solid var(--ink);color:var(--yellow)}.quick-nav{height:48px;background:var(--surface);display:flex;align-items:center;justify-content:center;gap:14px;border-bottom:1px solid var(--border)}.quick-nav a{width:120px;height:28px;border-radius:12px;border:1px solid var(--ink);display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--ink)}.quick-nav 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16px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;white-space:nowrap}.btn-primary{background:linear-gradient(135deg,#16140C 0%,#E8C430 100%);color:var(--ink);border:0}.btn-secondary{background:var(--surface);color:var(--ink);border:1px solid var(--ink)}.btn:hover,.btn:focus-visible,.app-entry:hover,.app-entry:focus-visible,.menu-entry:hover,.menu-entry:focus-visible,.quick-nav a:hover,.quick-nav a:focus-visible{outline:3px solid rgba(232,196,48,.55);outline-offset:2px}.media-slot{background:var(--surface);border:1px solid var(--border);border-radius:14px;display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.media-slot.empty::after{content:"HUANGGUO 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var(--border);border-radius:14px;padding:18px;position:relative}.fold-card::after{content:"";position:absolute;right:0;bottom:0;border-style:solid;border-width:0 0 24px 24px;border-color:transparent transparent var(--deep-bg) transparent}.center-card{max-width:760px;margin:0 auto;background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:22px;text-align:center}.center-card p{text-align:left}.period-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.period-card{padding:18px;background:var(--surface);border:1px solid var(--border);border-radius:14px}.status-list{display:grid;gap:12px}.status-item{display:grid;grid-template-columns:120px 1fr;gap:14px;padding:16px;background:var(--surface);border:1px solid var(--border);border-radius:14px}.status-label{display:flex;align-items:center;justify-content:center;border-radius:12px;background:var(--ink);color:var(--yellow);font-weight:900;min-height:44px}.memo-list{display:grid;gap:10px}.memo-item{display:grid;grid-template-columns:120px 1fr;gap:14px;padding:16px 0;border-bottom:1px solid var(--border)}.memo-item strong{color:var(--ink)}.method-list{display:grid;gap:14px}.method-item{padding:18px 18px 18px 22px;background:var(--surface);border-left:4px solid var(--yellow);border-radius:0 14px 14px 0}.topic-list{display:grid;gap:12px}.topic-list article{padding:18px;background:var(--surface);border:1px solid var(--border);border-radius:14px}.topic-list strong{display:block;margin-bottom:4px;color:var(--ink)}.single-column{max-width:780px;margin:auto}.single-column article{padding:18px 0;border-bottom:1px solid var(--border)}.prose{max-width:800px;margin:auto}.prose h2{margin:28px 0 8px}.prose h3{margin:20px 0 6px}.prose p{margin:0 0 13px}.prose ul{padding-left:1.2em}.callout{padding:18px;border-radius:14px;background:var(--ink);color:var(--bg);margin:18px 0}.callout strong{color:var(--yellow)}.app-center{text-align:center}.app-icon{width:48px;height:48px;object-fit:contain;margin:0 auto 12px;border-radius:12px}.app-center .media-slot{max-width:360px;margin:14px auto}.app-center p{max-width:760px;margin:0 auto 14px;text-align:left}.service-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.service-grid article{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:18px}.faq-list{display:grid;gap:12px}.faq-list article{padding:18px;background:var(--surface);border:1px solid var(--border);border-radius:14px}.faq-list h2{margin:0 0 8px;font-size:18px}.site-footer{margin-top:40px;background:var(--ink);color:var(--bg);border-top:1px solid var(--yellow)}.footer-inner{width:min(calc(100% - 32px),var(--max));margin:auto;padding:34px 0 72px}.footer-brand{display:grid;grid-template-columns:220px 1fr;gap:20px;padding-bottom:22px;border-bottom:1px solid rgba(247,241,216,.16)}.footer-brand-link{display:flex;align-items:center;gap:10px}.footer-brand-link span{display:grid}.footer-brand-link strong{color:var(--yellow)}.footer-brand-link small{font-size:12px}.footer-brand p{margin:0;font-size:13px}.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:22px 0}.footer-links h2{font-size:13px;color:var(--yellow);margin:0 0 7px}.footer-links a{display:block;font-size:13px;padding:4px 0}.footer-bottom{display:flex;flex-wrap:wrap;gap:16px;border-top:1px solid rgba(247,241,216,.16);padding-top:16px;font-size:13px}.page-mask{position:fixed;inset:0;z-index:80;background:rgba(22,20,12,.46);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.page-mask.is-visible{opacity:1;visibility:visible;pointer-events:auto}.curtain-panel{position:fixed;z-index:90;right:0;top:74px;width:32vw;min-width:320px;max-width:440px;max-height:calc(100vh - 90px);overflow:auto;background:var(--surface);border-left:1px solid var(--border);border-bottom:1px solid var(--border);box-shadow:var(--shadow);transform:translateX(102%);visibility:hidden;pointer-events:none;transition:.22s}.curtain-panel[aria-hidden="false"]{transform:translateX(0);visibility:visible;pointer-events:auto}.curtain-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 16px;border-bottom:1px solid var(--border)}.curtain-brand{display:flex;align-items:center;gap:9px}.curtain-brand span{display:grid}.curtain-brand small{font-size:11px;color:var(--muted)}.panel-close{height:44px;min-width:60px;border-radius:12px;border:1px solid var(--ink);background:var(--surface);color:var(--ink);font-weight:800}.curtain-groups{padding:10px 16px 20px}.curtain-groups h2{font-size:14px;margin:12px 0 6px;color:var(--ink)}.curtain-groups a{display:block;padding:9px 0;border-top:1px solid var(--border)}.curtain-groups strong{display:block}.curtain-groups span{display:block;color:var(--muted);font-size:12px}.search-layer{position:fixed;z-index:95;left:0;right:0;top:74px;visibility:hidden;pointer-events:none;opacity:0;transform:translateY(-10px);transition:.2s}.search-layer[aria-hidden="false"]{visibility:visible;pointer-events:auto;opacity:1;transform:translateY(0)}.search-card{width:min(calc(100% - 32px),680px);margin:auto;background:var(--surface);border:1px solid var(--border);border-radius:0 0 16px 16px;box-shadow:var(--shadow);padding-bottom:18px}.search-head{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border)}.search-card label,.search-row,.search-links,.search-hint{margin-left:16px;margin-right:16px}.search-card label{display:block;margin-top:14px;color:var(--ink);font-weight:800}.search-row{display:grid;grid-template-columns:1fr auto;gap:8px;margin-top:8px}.search-row input{min-width:0;height:44px;border:1px solid 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@media(max-width:760px){body{padding-bottom:calc(48px + env(safe-area-inset-bottom))}.site-main{padding-top:74px}.quick-nav{display:none}.parallel-strip,.fold-row,.period-grid,.service-grid{grid-template-columns:1fr}.status-item,.memo-item{grid-template-columns:1fr}.stack-card:nth-child(2),.stack-card:nth-child(3){margin-left:0}.footer-brand{grid-template-columns:1fr}.footer-links{grid-template-columns:repeat(2,1fr)}.curtain-panel{top:74px;width:88vw;min-width:0;max-height:calc(100vh - 74px)}.search-layer{inset:0;top:0;background:var(--ink);transform:none}.search-layer[aria-hidden="false"]{transform:none}.search-card{width:100%;height:100%;border:0;border-radius:0;box-shadow:none;background:var(--ink);color:var(--yellow);overflow:auto;padding-top:env(safe-area-inset-top)}.search-head{border-bottom-color:rgba(247,241,216,.2)}.search-card label{color:var(--yellow)}.search-card .panel-close{background:transparent;color:var(--yellow);border-color:var(--yellow)}.search-row{grid-template-columns:1fr}.search-row button{background:var(--yellow);color:var(--ink)}.search-links a{background:rgba(232,196,48,.12);border-color:rgba(232,196,48,.35);color:var(--yellow)}.search-hint{color:var(--bg)}.mobile-bottom{position:fixed;z-index:70;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(4,1fr);height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--surface);border-top:1px solid var(--border)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;height:48px;font-size:13px;font-weight:800}.mobile-bottom a.is-current{background:var(--yellow);color:var(--ink)}.footer-inner{padding-bottom:28px}.slot-240{height:210px}}
@media(max-width:420px){.brand-actions{gap:6px}.app-entry,.menu-entry{min-width:64px;padding:0 10px}.footer-links{grid-template-columns:1fr}}
