:root{--bg:#F4F7FA;--white:#fff;--soft:#EAF1F6;--pale:#E9F8F8;--navy:#102E46;--deep:#163C57;--teal:#13B8C5;--blue:#237BD3;--heading:#18364B;--ink:#344C60;--muted:#64798A;--line:#DCE6ED;--footer:#0B2539;--max:1200px}
*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:22px}body{margin:0;color:var(--ink);background:var(--bg);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.8}body.drawer-open{overflow:hidden}a{color:#1267a7;text-underline-offset:3px}a:hover{color:#08537e}img{max-width:100%;height:auto}p{margin:0 0 1.15em}h1,h2,h3{color:var(--heading);line-height:1.38;margin:0 0 .65em}h1{font-size:clamp(2rem,3.1vw,2.65rem)}h2{font-size:clamp(1.4rem,2.2vw,1.75rem)}h3{font-size:1.24rem}ul,ol{padding-left:1.35em}li{margin-bottom:.4em}section[id],article[id]{scroll-margin-top:18px}.site-width{width:min(calc(100% - 56px),var(--max));margin-inline:auto}.site-header{position:relative;z-index:15}.brand-bar{background:#fff;border-bottom:1px solid 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th,.comparison td{padding:14px 16px;border-top:1px solid var(--line);text-align:left;vertical-align:top}.comparison th{background:var(--soft);color:var(--heading)}.comparison tr>th:first-child{width:25%}.callout{border-left:3px solid var(--teal);padding:18px 24px;background:var(--soft);margin-block:24px}.related-links{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}.related-links a{padding:10px 15px;background:white;border:1px solid #bfd8e4;border-radius:8px;text-decoration:none;font-size:14px;font-weight:700}.related-links a:hover{border-color:var(--teal)}.editorial-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;align-items:start}.editorial-grid>*:nth-child(even){margin-top:30px}.gallery-piece{background:white;border:1px solid var(--line);padding:20px;border-radius:14px}.gallery-piece h3{margin-top:20px}.faq-list{display:grid;gap:10px}.faq-list details{background:#fff;border:1px solid var(--line);border-radius:10px;padding:0 20px}.faq-list 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@media(max-width:1024px){.site-width{width:min(calc(100% - 44px),var(--max))}.nav-inner a{padding-inline:8px;font-size:13px}.brand-note{font-size:12px}.section{margin-block:42px 50px}.hero{gap:25px}}
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@media(max-width:920px){.nojs-nav{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;padding:12px 20px;background:var(--soft)}.nojs-nav a{font-size:13px}}
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@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
