:root{--forest:#10382f;--moss:#28745e;--mint:#b7dfcf;--cream:#f3efe4;--paper:#fffdf7;--ink:#17241f;--muted:#657069;--line:#d9d5c8;--orange:#d77a3d}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--cream);color:var(--ink);font:16px/1.8 Georgia,"Songti SC","Noto Serif SC",serif}a{color:inherit;text-decoration:none}.field-shell,.shell{width:min(1160px,calc(100% - 44px));margin:auto}.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;background:#fff;padding:10px;z-index:100}.field-header{background:var(--paper);position:sticky;top:0;z-index:20}.field-head-row{height:88px;display:flex;align-items:center;justify-content:space-between}.field-brand{display:flex;align-items:center;gap:13px}.field-brand>span,.field-seal{width:42px;height:42px;border-radius:50%;background:var(--forest);color:#fff;display:grid;place-items:center;font-weight:800}.field-brand b{font-size:23px}.field-brand small{display:block;color:var(--muted);font:11px -apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;letter-spacing:.12em}.field-header nav{display:flex;gap:24px;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif}.field-header nav a{font-size:14px;padding:30px 0 25px;border-bottom:3px solid transparent}.field-header nav a:hover,.field-header nav a.active{color:var(--moss);border-color:var(--moss)}.field-rule{height:30px;background:var(--forest);color:#a8c9bc;font:10px/30px ui-monospace,Consolas,monospace;letter-spacing:.1em}.field-rule .field-shell{display:flex;justify-content:space-between}.nav-toggle{display:none;background:transparent;border:1px solid var(--forest);padding:8px 13px}.home-hero{background:var(--forest);color:#fff;padding:84px 0 70px;position:relative;overflow:hidden}.home-hero:before{content:"";position:absolute;width:460px;height:460px;border:1px solid #77a89555;border-radius:50%;right:-60px;bottom:-260px;box-shadow:0 0 0 70px #77a89512,0 0 0 140px #77a8950a}.hero-grid{display:grid;grid-template-columns:1.15fr .65fr;gap:90px;align-items:end;position:relative}.eyebrow{color:#79d6b5;font:700 11px ui-monospace,Consolas,monospace;letter-spacing:.15em;text-transform:uppercase}.home-hero h1{font-size:clamp(48px,6vw,78px);line-height:1.08;margin:24px 0;letter-spacing:-.04em}.home-hero p{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;color:#c6d9d2;font-size:17px}.hero-actions{display:flex;gap:14px;margin-top:30px}.button{display:inline-flex;justify-content:center;background:var(--orange);color:#fff;padding:12px 20px;font:700 14px -apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif}.button-ghost{background:transparent;border:1px solid #5e8a7b}.hero-panel{background:var(--paper);color:var(--ink);padding:34px;transform:rotate(1.2deg);box-shadow:14px 16px 0 #08261f}.hero-panel>span{color:var(--muted);font-size:13px}.hero-panel>strong{display:block;font-size:54px;margin:10px 0}.hero-panel ul{list-style:none;margin:0;padding:0}.hero-panel li{display:flex;justify-content:space-between;padding:10px 0;border-top:1px solid var(--line);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif}.section{padding:82px 0}.section h2{font-size:clamp(34px,4vw,50px);line-height:1.2;margin:12px 0}.lead{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;color:var(--muted);max-width:720px}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--ink);border-left:1px solid var(--line);margin-top:40px}.feature-card{background:var(--paper);min-height:245px;padding:26px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;flex-direction:column}.feature-card span{font:700 11px ui-monospace,Consolas,monospace;color:var(--orange)}.feature-card h3{font-size:25px;margin:auto 0 7px}.feature-card p{margin:0;color:var(--muted);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;font-size:14px}.feature-card:hover{background:#e2eee7}.section-dark{background:#dfe9df}.split{display:grid;grid-template-columns:1fr 1.1fr;gap:80px}.notice{background:#fff6e6;border-left:5px solid var(--orange);padding:18px 21px;margin:25px 0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif}.principles{border-top:2px solid var(--forest)}.principles div{display:grid;grid-template-columns:140px 1fr;padding:18px 0;border-bottom:1px solid #b7c5ba}.principles b{color:var(--moss)}.principles span{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;color:var(--muted)}.page-hero{background:var(--paper);padding:68px 0;border-bottom:1px solid var(--line)}.crumb{display:flex;gap:8px;color:#8c928d;font:12px -apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;margin-bottom:24px}.crumb a{color:var(--moss)}.page-hero h1{font-size:clamp(40px,5vw,62px);line-height:1.15;max-width:920px;margin:16px 0}.page-hero p{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;color:var(--muted);max-width:800px}.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:36px;align-items:start}.article-list{border-top:2px solid var(--forest)}.article-row{display:grid;grid-template-columns:90px 1fr;padding:28px 12px;border-bottom:1px solid var(--line);background:transparent}.article-row:hover{background:var(--paper)}.article-row .metric{font:700 12px ui-monospace,Consolas,monospace;color:var(--orange)}.tag{font:700 11px -apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;color:var(--moss)}.article-row h2{font-size:25px;margin:5px 0}.article-row p{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;color:var(--muted);margin:0}.sidebar{border-top:5px solid var(--moss);background:var(--paper);padding:23px;position:sticky;top:135px}.sidebar h2{font-size:20px;margin-top:0}.sidebar ol{padding-left:20px;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;color:var(--muted)}.prose{background:var(--paper);padding:48px 56px;box-shadow:0 10px 35px #27382f12}.prose>p:first-child{font:12px ui-monospace,Consolas,monospace;color:var(--moss)}.prose h2{font-size:27px;margin:42px 0 10px}.prose h2:before{content:"✦";font-size:13px;color:var(--orange);margin-right:10px}.prose p{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;color:#46534c}.download-notice{background:#e2eee7;padding:23px;border-top:4px solid var(--moss)}.download-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);margin-top:28px;border:1px solid var(--line)}.download-card{background:var(--paper);padding:24px;min-height:260px;display:flex;flex-direction:column}.download-card h2{font-size:22px}.download-card p{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;color:var(--muted);font-size:13px}.download-card .button{margin-top:auto}.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line)}.contact-item{background:var(--paper);padding:27px}.field-footer{background:var(--forest);color:#b8cec6;padding:58px 0 18px;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif}.field-footer-grid{display:grid;grid-template-columns:1.2fr .6fr 1fr;gap:65px}.field-footer h2{color:#fff;font-family:Georgia,"Songti SC",serif}.field-footer b{display:block;color:#fff;margin-bottom:12px}.field-footer a,.field-footer span{display:block;margin:6px 0}.field-seal{background:#d7e8df;color:var(--forest)}.field-copyright{border-top:1px solid #315c50;margin-top:35px;padding-top:17px;font-size:12px}
@media(max-width:1020px){.nav-toggle{display:block}.field-header nav{display:none;position:absolute;top:88px;left:22px;right:22px;background:var(--paper);padding:14px;box-shadow:0 16px 35px #17382d33;flex-direction:column;gap:0}.field-header nav.open{display:flex}.field-header nav a{padding:10px;border-bottom:1px solid var(--line)}.hero-grid,.split,.content-layout{grid-template-columns:1fr}.hero-panel{max-width:520px}.card-grid{grid-template-columns:repeat(2,1fr)}.sidebar{position:static}.download-grid{grid-template-columns:repeat(2,1fr)}.field-footer-grid{grid-template-columns:1fr 1fr}.field-footer-grid>div:first-child{grid-column:1/-1}}
@media(max-width:620px){.field-shell,.shell{width:min(100% - 28px,1160px)}.field-head-row{height:68px}.field-brand small,.field-rule{display:none}.field-header nav{top:68px;left:14px;right:14px}.home-hero{padding:50px 0}.home-hero h1{font-size:46px}.hero-grid{gap:35px}.hero-panel{padding:25px;transform:none;box-shadow:8px 9px 0 #08261f}.hero-actions{flex-wrap:wrap}.section{padding:56px 0}.card-grid,.download-grid{grid-template-columns:1fr}.feature-card{min-height:190px}.page-hero{padding:45px 0}.page-hero h1{font-size:38px}.article-row{grid-template-columns:1fr;padding:23px 5px}.prose{padding:28px 22px}.field-footer-grid{grid-template-columns:1fr;gap:30px}.field-footer-grid>div:first-child{grid-column:auto}.contact-grid{grid-template-columns:1fr}}