:root{--bg:#F4F7FA;--paper:#fff;--mist:#EAF1F6;--ice:#E9F8F8;--navy:#102E46;--deep:#163C57;--teal:#13B8C5;--blue:#237BD3;--head:#18364B;--body:#344C60;--muted:#64798A;--line:#DCE6ED;--footer:#0B2539}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:25px}body{margin:0;background:var(--bg);color:var(--body);font:16px/1.8 Arial,"PingFang SC","Microsoft YaHei",sans-serif;overflow-wrap:anywhere}a{color:#1767aa;text-decoration:none}a:hover{text-decoration:underline}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--teal);outline-offset:3px}h1,h2,h3,p,figure{margin-top:0}h1,h2,h3{color:var(--head);line-height:1.4}h1{font-size:35px;line-height:1.35}h2{font-size:26px;margin-bottom:22px}h3{font-size:20px;margin-bottom:12px}p{margin:0 0 17px}.container{width:min(1200px,calc(100% - 56px));margin:auto}.readable{max-width:780px}.section{margin:60px auto}.section-tight{margin:42px 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var(--line);border-radius:12px;background:#fff}table{border-collapse:collapse;width:100%;min-width:560px;text-align:left}caption{text-align:left;font-weight:700;padding:14px;color:var(--head)}th,td{padding:13px 16px;border-bottom:1px solid var(--line);vertical-align:top}th{background:var(--mist);color:var(--head)}tr:last-child td{border-bottom:0}.number-flow{counter-reset:item}.number-flow article{position:relative;padding:0 0 20px 48px;border-left:2px solid #b5dce2;margin-left:18px}.number-flow article:before{counter-increment:item;content:counter(item);position:absolute;left:-19px;top:0;width:34px;height:34px;background:var(--navy);border-radius:50%;color:white;display:grid;place-items:center;font-weight:700}.number-flow h3{margin-bottom:8px}.number-flow article:last-child{border:0}.matrix{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.matrix article{background:white;border-top:4px solid 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@media(max-width:1024px){.container{width:calc(100% - 44px)}.desktop-nav a{padding:10px 9px;font-size:14px}.hero{gap:24px}.hero h1{font-size:38px}}
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