:root{--black:#111;--deep:#080808;--gold:#C8A64B;--deepgold:#9F7B25;--text:#242424;--muted:#5D5D5D;--soft:#858585;--paper:#fff;--content:#FAFAF8;--sand:#F3F1EA;--light:#F7F4EC;--border:rgba(17,17,17,.12);--goldborder:rgba(200,166,75,.45);--shadow:0 12px 30px rgba(0,0,0,.07);--max:1180px;--read:800px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:120px}body{margin:0;background:var(--paper);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.82;overflow-x:hidden}body.layer-open{overflow:hidden}a{color:inherit;text-decoration:none}button{font:inherit}img{display:block;max-width:100%;height:auto}.wide-wrap{width:min(calc(100% - 40px),var(--max));margin-inline:auto}.read-wrap{width:min(calc(100% - 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var(--gold);background:var(--content)}.number-list{display:grid;gap:0}.number-item{display:grid;grid-template-columns:50px 1fr;gap:18px;padding:24px 0;border-bottom:1px solid var(--border)}.number-item .num{color:var(--gold);font-weight:800;font-size:14px}.number-item h3{margin:0 0 8px;font-size:19px}.number-item p{color:var(--muted)}.long-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;border-top:1px solid var(--border)}.long-links a{padding:20px 6px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;gap:20px}.long-links a span{color:var(--soft)}.reading{max-width:800px}.reading h2{font-size:24px;line-height:1.35;margin:2.1em 0 .7em}.reading h3{font-size:19px;margin:1.6em 0 .5em}.reading p,.reading li{color:#303030}.reading ul,.reading ol{padding-left:1.25em}.reading-aside{display:grid;grid-template-columns:minmax(0,1fr) 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var(--border);border-radius:10px;min-height:44px;display:grid;place-items:center;font-size:14px}.mobile-bottom{display:none}.plain-list{display:grid;gap:12px}.plain-list article{padding:18px 0;border-bottom:1px solid var(--border)}.plain-list h3{margin:0 0 8px}.legal-section{padding:22px 0;border-bottom:1px solid var(--border)}.legal-section h2{font-size:22px}.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.contact-grid article{border-top:2px solid var(--gold);padding-top:16px}.no-image-space{min-height:0}
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@media(max-width:620px){body{padding-bottom:calc(52px + env(safe-area-inset-bottom))}.wide-wrap,.read-wrap{width:min(calc(100% - 32px),var(--max))}.brand-strip{display:none}.main-nav{height:60px}.nav-inner{grid-template-columns:minmax(0,1fr) auto auto;gap:8px}.brand-logo img{height:30px}.brand-logo span{font-size:18px}.desktop-primary,.topic-nav{display:none}.mobile-actions{display:block}.icon-text,.menu-button{padding:0 10px;font-size:13px}.section{padding:50px 0}.section.tight{padding:42px 0}.page-hero{padding:38px 0}.page-hero-grid{gap:24px}.hero-media{min-height:160px}.hero-media img{max-height:240px}.grid-4,.grid-3,.grid-2,.process-grid,.mini-topics,.contact-grid{grid-template-columns:1fr}.long-links{grid-template-columns:1fr}.category-row{grid-template-columns:72px 1fr;gap:12px}.number-item{grid-template-columns:36px 1fr}.footer-brand{grid-template-columns:1fr}.footer-links{grid-template-columns:repeat(2,1fr)}.site-footer{padding-bottom:84px}.panel{top:60px;max-height:76vh}.menu-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;width:calc(100% - 32px)}.menu-grid a span{font-size:11px}.search-card{width:calc(100% - 20px)}.search-links{grid-template-columns:repeat(2,1fr)}.mobile-bottom{position:fixed;display:grid;grid-template-columns:repeat(4,1fr);left:0;right:0;bottom:0;height:calc(52px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--border);z-index:50}.mobile-bottom a{position:relative;display:grid;place-items:center;font-size:13px;min-height:50px;color:var(--muted)}.mobile-bottom a.is-current{color:var(--deepgold)}.mobile-bottom a.is-current:before{content:"";position:absolute;top:0;width:24px;height:2px;background:var(--gold)}.banner-frame{min-height:150px}.banner-frame img{max-height:240px}.home-intro{padding:30px 0 46px}.app-art img{max-width:85%;max-height:360px}.timeline article{grid-template-columns:1fr;gap:6px}.page-hero h1{font-size:28px}.section-title{font-size:23px}}