:root{--bg:#D7E4E6;--deep:#C4D4D6;--card:#F3F7F7;--sub:#E4EEEF;--title:#1E2C2E;--text:#2A3A3C;--muted:#4A6064;--light:#6A8084;--accent:#4A8A8C;--sand:#C4A070;--border:rgba(30,44,46,.14);--strong:rgba(74,138,140,.42);--shadow:0 12px 28px rgba(30,44,46,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,"Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}a{color:inherit;text-decoration:none}button{font:inherit}.wrap{width:min(980px,calc(100% - 32px));margin:auto}.site-top{position:fixed;inset:0 0 auto;z-index:50}.gua-eave{height:20px;background:#1E2C2E;color:#F3F7F7;font-size:12px}.eave-inner{height:20px;display:flex;align-items:center;justify-content:space-between}.text-btn{border:0;background:transparent;color:#F3F7F7;padding:0 8px;cursor:pointer}.gua-head{height:54px;background:#F3F7F7;border-bottom:1px solid var(--strong)}.head-inner{height:54px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;min-height:44px}.brand img,.footer-brand img,.drawer-brand img{height:24px;max-width:150px;object-fit:contain}.brand strong{font-size:16px}.head-actions{display:flex;align-items:center;gap:8px}.app-link,.menu-btn{min-height:44px;display:inline-flex;align-items:center;padding:0 14px;border-radius:8px}.app-link{border:1px solid var(--strong);background:#fff}.menu-btn{border:0;background:linear-gradient(135deg,#4A8A8C 0%,#1E2C2E 100%);color:#F3F7F7;cursor:pointer}.gua-list{position:fixed;top:74px;left:max(16px,calc((100vw - 980px)/2));width:120px;padding-top:18px;z-index:30}.list-inner{width:120px;margin:0;display:flex;flex-direction:column;background:rgba(243,247,247,.94);border:1px solid var(--border);border-radius:8px;overflow:hidden;box-shadow:var(--shadow)}.gua-list 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24px}.page-head p{max-width:740px}.walkway{display:flex;gap:14px;overflow-x:auto;padding:4px 2px 14px;scrollbar-width:thin}.walkway article{min-width:260px;max-width:320px;background:var(--card);border:1px solid var(--border);border-radius:8px;padding:18px}.newspaper{display:grid;grid-template-columns:1fr 1fr;gap:28px}.newspaper .column{background:var(--card);padding:22px;border-top:3px solid var(--accent)}.single-flow{display:grid;gap:16px}.single-flow section{background:var(--card);padding:20px;border-radius:8px;border:1px solid var(--border)}.center-card{max-width:720px;margin:0 auto;background:var(--card);border:1px solid var(--border);border-radius:10px;padding:28px;box-shadow:var(--shadow)}.topic-list{display:grid;gap:12px}.topic-row{display:grid;grid-template-columns:160px 1fr;gap:18px;background:var(--card);padding:18px;border-radius:8px;border:1px solid var(--border)}.memo-list{display:grid;gap:10px}.memo-item{display:grid;grid-template-columns:140px 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@media(max-width:640px){body{padding-bottom:56px}.site-main{padding-top:90px}.head-inner{width:calc(100% - 20px)}.brand img{max-width:120px}.head-actions{gap:4px}.app-link,.menu-btn{padding:0 10px}.two-col,.leaf-pair,.cards-2,.newspaper,.contact-options{grid-template-columns:1fr}.leaf:after{display:none}.topic-row,.memo-item{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.drawer{left:6%;bottom:60px;width:88%}.drawer-groups{grid-template-columns:1fr 1fr}.mobile-bottom{position:fixed;display:grid;grid-template-columns:repeat(4,1fr);left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#F3F7F7;border-top:1px solid var(--strong);z-index:60}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:48px}.mobile-bottom a.active{background:var(--accent);color:#F3F7F7}.site-footer{padding-bottom:84px}.search-panel{top:0;bottom:0;background:#1E2C2E;color:#F3F7F7}.search-panel.open{transform:none}.search-card{width:100%;height:100%;margin:0;background:#1E2C2E;color:#F3F7F7;border:0;border-radius:0;padding:30px 20px}.search-links a{border-color:#D7E4E6}.search-head button{background:#F3F7F7}.media-app{height:280px}}