: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);--max:1180px;--reading:760px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.8;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}.site-header{position:sticky;top:0;z-index:20;background:rgba(246,244,238,.97);border-bottom:1px solid var(--border);backdrop-filter:blur(8px)}.header-inner{height:70px;max-width:var(--max);margin:auto;padding:0 32px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;min-width:220px}.brand-logo{height:32px;width:auto;max-width:165px}.brand-mark{display:grid;place-items:center;width:32px;height:32px;border-radius:9px;background:var(--green);color:white;font-weight:800}.brand-name{font-weight:800;color:var(--title);line-height:1.05}.brand-name small{display:block;margin-top:5px;font-size:10px;letter-spacing:.08em;color:var(--muted)}.main-nav{display:flex;align-items:center;gap:22px;flex:1;justify-content:center}.main-nav a,.header-actions a{text-decoration:none;font-size:15px;color:var(--text);white-space:nowrap}.main-nav a.active{color:var(--green);font-weight:700}.header-actions{display:flex;align-items:center;gap:10px}.menu-button,.menu-close,.button-link{min-height:44px;border:1px solid var(--green);border-radius:9px;background:transparent;color:var(--green);font:inherit;padding:8px 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32px}.breadcrumb{font-size:14px;color:var(--muted);padding-top:28px}.breadcrumb a{color:var(--muted)}.page-head{max-width:900px;padding:18px 0 36px}.eyebrow{display:inline-block;font-size:14px;color:var(--orange);font-weight:700;margin-bottom:8px}.page-head h1,.hero-copy h1{font-size:34px;line-height:1.25;margin:0 0 16px;color:var(--title)}.page-head p{max-width:760px;margin:0;color:var(--muted)}h2{font-size:25px;line-height:1.35;color:var(--title);margin:0 0 16px}h3{font-size:19px;line-height:1.45;color:var(--title);margin:0 0 10px}p{margin:0 0 18px}.section{padding:58px 0}.section.compact{padding:40px 0}.section.soft{background:var(--soft)}.section.sand{background:var(--sand)}.section-inner{max-width:var(--max);margin:auto;padding:0 32px;min-width:0}.reading{max-width:var(--reading)}.wide-reading{max-width:960px}.lead{font-size:18px;color:var(--title)}.link-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}.text-link{font-weight:700}.hero{max-width:var(--max);margin:auto;padding:48px 32px 28px;display:grid;grid-template-columns:minmax(0,7fr) minmax(280px,5fr);gap:46px;align-items:center}.hero-copy{min-width:0}.hero-copy p{max-width:650px}.hero-media{display:flex;justify-content:flex-end;min-width:0}.hero-media img{max-width:430px;max-height:300px}.line-layout{display:grid;grid-template-columns:1.35fr .9fr;gap:34px}.feature-line{padding:28px 0;border-top:2px solid var(--green)}.minor-lines{display:grid;gap:26px}.minor-line{padding:20px;border:1px solid var(--border);border-radius:12px;background:rgba(255,255,255,.55)}.media-text{display:grid;grid-template-columns:minmax(260px,.8fr) minmax(0,1.5fr);gap:38px;align-items:center}.media-text.reverse{grid-template-columns:minmax(0,1.4fr) minmax(260px,.8fr)}.media-text.reverse .media{order:2}.media img{max-height:240px;margin:auto}.small-image img{max-height:200px}.vertical-image img{max-width:240px;max-height:380px}.split-uneven{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(250px,.65fr);gap:40px}.inset{border-left:4px solid var(--gold);padding:8px 0 8px 20px}.purpose-list{display:grid;grid-template-columns:180px minmax(0,1fr);gap:0;border-top:1px solid var(--border)}.purpose-list dt,.purpose-list dd{margin:0;padding:16px 0;border-bottom:1px solid var(--border)}.purpose-list dt{font-weight:800;color:var(--title)}.timeline{border-left:2px solid var(--gold);margin-left:16px;padding-left:28px}.timeline article{position:relative;padding:0 0 30px}.timeline article:before{content:"";position:absolute;left:-35px;top:9px;width:12px;height:12px;border-radius:50%;background:var(--orange);border:3px solid var(--bg)}.stage-layout{display:grid;grid-template-columns:72px 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.article-body{columns:2;column-gap:40px}.article-alt .article-body p{break-inside:avoid}.faq-item{padding:0 0 24px;margin:0 0 24px;border-bottom:1px solid var(--border)}.faq-item h2{font-size:19px}.service-list{padding-left:20px}.service-list li{margin-bottom:10px}.site-footer{background:var(--footer);color:var(--footerText);padding:48px 32px 30px}.footer-grid{max-width:var(--max);margin:auto;display:grid;grid-template-columns:1.6fr repeat(4,1fr);gap:28px}.site-footer h2{font-size:16px;color:#fff}.site-footer p{color:#d7ded9}.site-footer a{display:block;color:var(--footerText);text-decoration:none;margin:7px 0;font-size:14px}.footer-minor{max-width:var(--max);margin:28px auto 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);display:flex;gap:22px;flex-wrap:wrap}.footer-minor a{display:inline}.bottom-nav{display:none}.quote-panel{padding:22px 24px;border-left:4px solid var(--orange);background:#fff}.two-col{display:grid;grid-template-columns:1fr 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@media(max-width:1024px){.header-inner{padding:0 22px}.brand{min-width:180px}.main-nav{gap:14px}.main-nav a:nth-child(5){display:none}.hero,.section-inner,.page-shell,.menu-inner{padding-left:22px;padding-right:22px}.footer-grid{grid-template-columns:1.5fr repeat(2,1fr)}.topic-grid{grid-template-columns:1fr 1fr}}
@media(max-width:768px){body{padding-bottom:64px}.site-header{position:relative}.header-inner{height:60px;padding:0 16px;gap:10px}.brand{min-width:0;flex:1}.brand-logo{height:27px;max-width:132px}.brand-name{font-size:15px}.brand-name small{display:none}.brand-mark{width:28px;height:28px}.main-nav{display:none}.header-actions{gap:6px}.header-actions .menu-button{padding:7px 10px;min-height:44px}.mobile-link{font-size:14px!important}.desktop-menu{display:none}.mobile-menu{display:block;padding:16px}.mobile-menu section{padding:12px 0;border-bottom:1px solid var(--border)}.mobile-menu section div{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 14px}.mobile-menu a{padding:7px 0;text-decoration:none}.menu-close{margin-top:14px;width:100%}.page-shell,.section-inner,.hero{padding-left:16px;padding-right:16px}.page-head h1,.hero-copy h1{font-size:28px}.page-head{padding-bottom:26px}.section{padding:40px 0}.hero{grid-template-columns:1fr;gap:24px;padding-top:32px}.hero-media{justify-content:flex-start}.hero-media img{max-width:100%;max-height:220px}.line-layout,.media-text,.media-text.reverse,.split-uneven,.index-aside,.two-col{grid-template-columns:1fr}.media-text.reverse .media{order:0}.media img{max-width:100%;max-height:200px}.vertical-image img{max-width:190px;max-height:290px}.purpose-list{grid-template-columns:120px minmax(0,1fr)}.stage-layout{grid-template-columns:48px minmax(0,1fr);gap:12px}.topic-grid{grid-template-columns:1fr}.archive-group{grid-template-columns:1fr;gap:8px}.article-alt .article-body{columns:1}.side-index{border-left:0;border-top:1px solid var(--border);padding:18px 0 0}.footer-grid{grid-template-columns:1fr 1fr}.site-footer{padding:38px 16px 82px}.bottom-nav{position:fixed;z-index:30;bottom:0;left:0;right:0;height:calc(56px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid var(--border)}.bottom-nav a{display:grid;place-items:center;text-decoration:none;color:var(--title);font-size:14px}.center-image{max-width:100%}}
@media(max-width:390px){.brand-name{font-size:14px}.header-actions .mobile-link{display:none}.mobile-menu section div{grid-template-columns:1fr}.purpose-list{grid-template-columns:1fr}.purpose-list dt{padding-bottom:4px;border-bottom:0}.purpose-list dd{padding-top:0}.footer-grid{grid-template-columns:1fr}.page-head h1,.hero-copy h1{font-size:27px}}