:root{--bg:#F6F4EE;--card:#fff;--soft:#ECEFE8;--sand:#F2E7D7;--green:#21463B;--green2:#17352D;--green3:#3C685A;--orange:#C56B3D;--gold:#C6A15B;--title:#1F2D28;--text:#3E4A45;--muted:#66716C;--hint:#78817D;--border:#D9DED8;--footer:#183129;--footerText:#F4F3ED;--shadow:0 8px 24px rgba(31,45,40,.06)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.8 system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}a{color:var(--green);text-decoration-thickness:1px;text-underline-offset:3px}a:hover{color:var(--orange)}img{display:block;max-width:100%;height:auto;object-fit:contain}.container{width:min(1180px,calc(100% - 64px));margin:auto;min-width:0}.article{width:min(760px,100%);margin:auto}.wide{width:min(960px,100%);margin:auto}.site-header{background:#fff;border-bottom:1px solid var(--border);position:relative;z-index:5}.header-inner{min-height:70px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:10px;min-width:200px;text-decoration:none;color:var(--title);font-weight:800}.brand img{height:32px;width:auto;max-width:165px}.brand-icon{display:none}.brand-text 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p{max-width:660px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.media-shell{background:var(--soft);border:1px solid var(--border);border-radius:14px;padding:16px;min-width:0}.hero-media img{max-width:430px;max-height:300px;margin:auto}.reading-lines{display:grid;grid-template-columns:1.35fr .8fr;gap:34px}.feature-line{padding:28px;border-left:4px solid var(--orange);background:#fff}.feature-line img{width:min(360px,100%);max-height:220px;margin-top:22px}.side-lines{display:grid;gap:18px}.note-block{border-top:1px solid var(--border);padding:20px 0}.two-col{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,.7fr);gap:38px;align-items:start}.reverse{grid-template-columns:minmax(260px,.7fr) minmax(0,1fr)}.split-visual{display:grid;grid-template-columns:1.15fr .7fr;gap:28px;align-items:start}.split-visual .small{max-width:300px;justify-self:end}.prose p{margin:0 0 1.15em}.prose h2{font-size:25px;line-height:1.35;color:var(--title);margin:1.8em 0 .7em}.prose h3{font-size:19px;color:var(--title);margin:1.5em 0 .45em}.prose ul{padding-left:1.2em}.purpose-list{display:grid;grid-template-columns:.75fr 1.25fr;gap:26px}.purpose-nav{border-right:1px solid var(--border)}.purpose-nav a{display:block;padding:10px 0;text-decoration:none}.timeline{position:relative;padding-left:36px}.timeline:before{content:"";position:absolute;left:10px;top:8px;bottom:8px;width:2px;background:var(--border)}.timeline-step{position:relative;padding:0 0 28px}.timeline-step:before{content:"";position:absolute;left:-31px;top:9px;width:12px;height:12px;border-radius:50%;background:var(--orange);border:3px solid var(--bg)}.topic-grid{display:grid;grid-template-columns:1.25fr repeat(3,.75fr);gap:18px}.topic-main,.topic-small{background:#fff;border:1px solid var(--border);border-radius:12px;padding:22px}.topic-main img{max-height:240px;margin-top:18px}.editor-letter{max-width:740px}.link-strip{display:flex;flex-wrap:wrap;gap:10px 20px;padding:18px 0;border-top:1px solid 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img{max-width:240px;max-height:380px;margin:auto}.service-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.service-list div{background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px}.site-footer{background:var(--footer);color:var(--footerText);padding:46px 0 92px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:28px}.site-footer a{color:var(--footerText);text-decoration:none}.site-footer h3{font-size:15px;margin:0 0 12px}.site-footer p,.site-footer small{color:#dfe5df}.mobile-bottom{display:none}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:16px;top:10px;background:#fff;padding:10px;z-index:99}:focus-visible{outline:3px solid var(--gold);outline-offset:3px}
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@media(max-width:390px){.mobile-links{grid-template-columns:1fr}.brand-text small{display:none}.btn,.menu-toggle{padding:8px 11px}.header-inner{gap:8px}.hero-actions{flex-direction:column;align-items:stretch}.hero-actions .btn{width:100%}}
