:root{--paper:#FAFAF6;--card:#FFF;--soft:#F0F3EC;--soft2:#E4EBDF;--ink:#20352B;--text:#34433B;--muted:#52645A;--green:#32634E;--deep:#244A39;--orange:#B75E35;--line:#DBE3D9;--shadow:0 9px 26px rgba(29,53,41,.07)}*{box-sizing:border-box;min-width:0}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);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-wrap:anywhere}body.panel-open{overflow:hidden}a{color:var(--deep);text-underline-offset:3px}img{display:block;max-width:100%;height:auto;object-fit:contain;object-position:center}button,a{outline-offset:3px}button:focus-visible,a:focus-visible{outline:3px solid rgba(50,99,78,.3)}.shell{width:min(calc(100% - 64px),1120px);margin:auto}.skip{position:fixed;left:15px;top:8px;z-index:300;background:#fff;padding:8px 12px;border:1px solid var(--line);border-radius:8px;transform:translateY(-160%)}.skip:focus{transform:none}.site-header{height:68px;position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line)}.topbar{height:68px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:24px}.brand{display:flex;align-items:center;text-decoration:none;max-width:220px}.brand-logo{width:auto;height:auto;max-width:205px;max-height:36px;filter:none!important;mix-blend-mode:normal!important;opacity:1!important}.brand-fallback{display:flex;flex-direction:column;line-height:1.15;color:var(--ink)}.brand-fallback strong{font-size:18px}.brand-fallback small{font-size:10px;letter-spacing:.13em;color:var(--muted);margin-top:3px}.desktop-nav{height:68px;display:flex;justify-content:center;gap:22px}.desktop-nav a{display:flex;align-items:center;text-decoration:none;color:var(--muted);font-size:14px;border-bottom:2px solid transparent}.desktop-nav a.is-active,.desktop-nav a:hover{color:var(--deep);border-bottom-color:var(--deep)}.desktop-actions,.mobile-actions{display:flex;align-items:center;gap:8px}.desktop-actions button,.desktop-actions a,.mobile-actions button,.mobile-actions a,.panel-head button{min-height:44px;padding:8px 9px;border:0;background:transparent;color:var(--deep);font:inherit;font-size:14px;text-decoration:none;cursor:pointer;border-radius:9px}.desktop-actions button:hover,.desktop-actions a:hover,.mobile-actions button:hover,.mobile-actions a:hover,.panel-head button:hover{background:var(--soft)}.mobile-actions{display:none}main{min-height:50vh}.eyebrow{margin:0 0 8px;color:var(--green);font-size:13px;font-weight:700;letter-spacing:.12em}h1,h2,h3{color:var(--ink);line-height:1.35;margin-top:0}h1{font-size:32px;margin-bottom:16px}h2{font-size:24px;margin-bottom:14px}h3{font-size:19px;margin-bottom:10px}p{margin:0 0 18px}.lead{font-size:17px;color:var(--muted);max-width:790px}.section{padding:60px 0}.soft{background:var(--soft)}.soft2{background:var(--soft2)}.hero{padding:52px 0 62px}.hero-grid,.feature{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(340px,.92fr);gap:38px;align-items:center}.hero-media,.media{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px}.hero-media img{width:100%;max-height:280px}.media img{width:100%;max-height:230px}.mobile-visual img{max-width:260px;max-height:390px;margin:auto}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 18px;border-radius:9px;border:1px solid var(--deep);text-decoration:none;font-weight:700}.btn.primary{background:var(--deep);color:#fff}.btn.secondary{background:#fff;color:var(--deep)}.grid2,.grid3{display:grid;gap:22px}.grid2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid3{grid-template-columns:repeat(3,minmax(0,1fr))}.card{background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:22px}.card-media{margin:-22px -22px 18px;padding:12px;background:var(--soft);border-bottom:1px solid var(--line)}.card-media img{width:100%;max-height:190px}.page-hero{padding:50px 0 28px}.reading{max-width:720px}.article-wrap{display:grid;grid-template-columns:minmax(0,720px) minmax(220px,1fr);gap:54px;align-items:start}.chapter{padding:28px 0;border-top:1px solid var(--line)}.chapter:first-child{border-top:0;padding-top:0}.aside{position:sticky;top:94px;background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:18px}.aside h2{font-size:18px}.aside a{display:block;padding:7px 0}.steps{counter-reset:n;display:grid;gap:16px}.step{counter-increment:n;background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px}.step h2:before{content:counter(n,decimal-leading-zero) " ";color:var(--orange);margin-right:8px}.status{display:grid;gap:14px}.status-item{display:grid;grid-template-columns:120px 1fr;gap:20px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:12px}.status-item strong{color:var(--green)}.faq-list{display:grid;gap:16px}.faq{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px}.faq h2{font-size:19px}.tag{display:inline-block;padding:3px 9px;background:var(--soft2);border:1px solid var(--line);border-radius:999px;color:var(--deep);font-size:13px}.site-panel{position:fixed;left:0;right:0;top:68px;z-index:110;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);max-height:60vh;overflow:auto;opacity:0;transform:translateY(-8px);transition:.18s;visibility:hidden;pointer-events:none}.site-panel.is-open{opacity:1;transform:none;visibility:visible;pointer-events:auto}.panel-inner{padding:24px 0 28px}.compact .panel-inner{max-width:760px}.panel-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}.panel-head h2{margin-bottom:0}.panel-head button{border:1px solid var(--line);background:#fff;padding-inline:14px}.directory-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.directory-group a{display:flex;flex-direction:column;min-height:44px;padding:9px 0;border-top:1px solid var(--line);text-decoration:none}.directory-group strong{font-size:14px}.directory-group span{font-size:13px;line-height:1.55;color:var(--muted)}.quick-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.quick-links a{display:flex;min-height:46px;align-items:center;justify-content:center;background:var(--soft);border:1px solid var(--line);border-radius:9px;text-decoration:none}.backdrop{position:fixed;inset:68px 0 0;z-index:100;background:rgba(32,53,43,.14);opacity:0;transition:.18s}.backdrop.is-open{opacity:1}.site-footer{background:#20352B;color:#F5F7F1;padding:52px 0 26px}.site-footer a{color:#F5F7F1;text-decoration:none}.footer-brand{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:center;padding-bottom:30px;border-bottom:1px solid rgba(245,247,241,.16)}.footer-logo-box{display:inline-flex;align-items:center;justify-content:center;max-width:230px;min-height:54px;padding:9px 12px;background:#F5F7F1;border:1px solid #D9E1D8;border-radius:10px}.footer-logo-box .brand-logo{filter:none!important;mix-blend-mode:normal!important;opacity:1!important;max-width:200px;max-height:36px}.footer-logo-box .brand-fallback{color:var(--ink)}.footer-brand-text{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:baseline}.footer-brand-text strong{font-size:20px}.footer-brand-text span{font-size:12px;letter-spacing:.12em;color:#DDE7DF}.footer-brand-text p{width:100%;max-width:650px;color:#DDE7DF;margin:3px 0 0;font-size:14px}.footer-links{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px;padding:30px 0}.footer-links h2{font-size:15px;color:#fff}.footer-links a{display:block;padding:4px 0;font-size:14px}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:22px;border-top:1px solid rgba(245,247,241,.16);font-size:13px;color:#DDE7DF}.footer-bottom p{margin:0}.mobile-bottom{display:none}@media(max-width:960px){.shell{width:min(calc(100% - 48px),1120px)}.desktop-nav{gap:12px}.desktop-nav a{font-size:13px}.desktop-actions a,.desktop-actions #searchToggle{display:none}.directory-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.article-wrap{grid-template-columns:1fr}.aside{position:static}.grid3{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:720px){body{padding-bottom:calc(56px + env(safe-area-inset-bottom))}.shell{width:calc(100% - 32px)}.site-header,.topbar{height:62px}.topbar{grid-template-columns:1fr auto;gap:8px}.desktop-nav,.desktop-actions{display:none}.mobile-actions{display:flex}.brand{max-width:185px}.brand-logo{max-height:31px;max-width:175px}.site-panel{top:62px;max-height:70dvh}.backdrop{inset:62px 0 0}.directory-grid,.quick-links,.grid2,.grid3,.hero-grid,.feature{grid-template-columns:1fr}.hero{padding:38px 0 44px}.hero-media img{max-height:220px}.section{padding:40px 0}h1{font-size:27px}h2{font-size:21px}h3{font-size:18px}.card{padding:16px}.card-media{margin:-16px -16px 16px}.status-item{grid-template-columns:1fr;gap:6px}.footer-brand{grid-template-columns:1fr}.footer-links{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.footer-bottom{flex-direction:column}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:90;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(--line)}.mobile-bottom a{position:relative;display:flex;align-items:center;justify-content:center;text-decoration:none;color:var(--muted);font-size:13px}.mobile-bottom a.is-active{color:var(--deep);font-weight:700}.mobile-bottom a.is-active:before{content:"";position:absolute;left:20%;right:20%;top:0;height:2px;background:var(--deep)}}@media(max-width:390px){.shell{width:calc(100% - 28px)}.brand{max-width:155px}.brand-logo{max-width:145px}.footer-links{grid-template-columns:1fr}}