:root{--bg:#fff;--paper:#fafaf8;--soft:#f3f1ea;--soft2:#f7f4ec;--ink:#111;--text:#242424;--muted:#5d5d5d;--faint:#858585;--gold:#c8a64b;--gold2:#9f7b25;--line:rgba(17,17,17,.12);--goldline:rgba(200,166,75,.45);--shadow:0 12px 30px rgba(0,0,0,.07);--max:1180px;--read:800px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:128px}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.82;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.shell{width:min(var(--max),calc(100% - 40px));margin:0 auto}.brand-strip{height:36px;background:#111;color:#fff;font-size:13px}.brand-strip-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand-strip-name{letter-spacing:.04em}.brand-strip-links{display:flex;align-items:center;gap:18px}.text-button{border:0;background:transparent;color:#fff;padding:4px 0}.main-nav{position:sticky;top:0;z-index:30;background:#fff;border-bottom:1px solid var(--line)}.main-nav-inner{height:66px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:28px}.brand-mark{display:flex;align-items:center;font-weight:800;font-size:22px}.logo-img{height:38px;width:auto;max-width:136px;object-fit:contain}.desktop-primary{display:flex;align-items:center;justify-content:center;gap:30px}.desktop-primary a,.topic-nav a{position:relative;font-size:15px;padding:6px 1px}.desktop-primary a.is-current:after,.topic-nav a.is-current:after{content:"";position:absolute;left:0;right:0;bottom:-7px;height:2px;background:var(--gold)}.nav-actions{justify-self:end;display:flex;gap:10px}.icon-text,.menu-button,.panel-close{min-height:44px;border:1px solid var(--line);background:#fff;color:#111;border-radius:10px;padding:0 14px}.icon-text{display:none}.menu-button:hover,.panel-close:hover{border-color:var(--goldline)}.topic-nav{background:var(--soft2);border-bottom:1px solid rgba(17,17,17,.06)}.topic-nav-inner{height:42px;display:flex;align-items:center;justify-content:center;gap:26px}.section{padding:72px 0}.section.soft{background:var(--paper)}.section.warm{background:var(--soft2)}.section.dark{background:#111;color:#fff}.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:28px}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--gold2);font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.eyebrow:before{content:"";width:22px;height:2px;background:var(--gold)}h1,h2,h3{margin:0 0 .6em;line-height:1.28;color:inherit}h1{font-size:clamp(28px,3.1vw,34px);letter-spacing:-.02em}h2{font-size:clamp(22px,2.3vw,26px)}h3{font-size:18px}p{margin:0 0 1em}.lead{font-size:18px;line-height:1.9;color:var(--muted);max-width:760px}.dark .lead{color:#ddd}.read{max-width:var(--read);margin-inline:auto}.hero-media{background:var(--soft2);display:flex;align-items:center;justify-content:center;min-height:220px;max-height:320px;overflow:visible}.hero-media img{display:block;width:100%;height:clamp(220px,27vw,320px);object-fit:contain;object-position:center}.hero-copy{padding:36px 0 6px}.button-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.btn{display:inline-flex;min-height:44px;align-items:center;justify-content:center;border-radius:10px;padding:0 18px;border:1px solid #111;background:#111;color:#fff;font-size:14px;font-weight:700}.btn.alt{background:#fff;color:#111}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:36px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.card{border:1px solid var(--line);background:#fff;border-radius:14px;padding:24px;box-shadow:0 8px 22px rgba(0,0,0,.035)}.dark .card{background:#171717;border-color:rgba(255,255,255,.14);box-shadow:none}.card .num{display:block;color:var(--gold2);font-weight:800;font-size:13px;letter-spacing:.1em;margin-bottom:12px}.text-link{display:inline-flex;align-items:center;gap:7px;color:var(--gold2);font-weight:800;font-size:14px;margin-top:8px}.text-link:after{content:"→"}.media-text{display:grid;grid-template-columns:55fr 45fr;gap:48px;align-items:center}.media-text.reverse{grid-template-columns:45fr 55fr}.media-box{display:flex;align-items:center;justify-content:center;background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:16px;min-height:260px}.media-box img{width:100%;height:auto;max-height:320px;object-fit:contain;object-position:center}.media-box.app img{max-height:400px;width:auto;max-width:100%}.list-clean{list-style:none;margin:0;padding:0}.list-clean li{padding:16px 0;border-bottom:1px solid var(--line)}.list-clean li:last-child{border-bottom:0}.mini-index{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}.mini-index a,.tag{border:1px solid var(--line);border-radius:999px;padding:7px 12px;font-size:13px;background:#fff}.steps{counter-reset:step;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.step{counter-increment:step;border-left:2px solid var(--gold);padding:6px 0 6px 18px}.step:before{content:"0" counter(step);display:block;color:var(--gold2);font-size:13px;font-weight:800;margin-bottom:8px}.status-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.status{padding:20px;border:1px solid var(--line);border-radius:12px;background:#fff}.status strong{display:block;margin-bottom:8px}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:42px;align-items:start}.aside-note{position:sticky;top:120px;border-left:3px solid var(--gold);padding-left:18px}.quote{font-size:22px;line-height:1.6;border-left:3px solid var(--gold);padding-left:20px;margin:28px 0}.menu-panel,.search-panel{position:fixed;z-index:60;left:0;right:0;top:102px;visibility:hidden;pointer-events:none;opacity:0;transition:opacity .18s ease;background:#fff;border-top:1px solid var(--line);box-shadow:var(--shadow)}.menu-panel.is-open,.search-panel.is-open{visibility:visible;pointer-events:auto;opacity:1}.menu-panel{max-height:70vh;overflow:auto}.panel-inner{padding:24px 0 34px}.panel-head{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:20px}.panel-head h2{margin:0}.menu-groups{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}.menu-group h3{color:var(--gold2);font-size:14px}.menu-group a{display:block;padding:10px 0;border-bottom:1px solid var(--line)}.menu-group a strong,.menu-group a span{display:block}.menu-group a span{color:var(--muted);font-size:13px;line-height:1.55;margin-top:3px}.search-panel{padding:22px 20px}.search-card{width:min(760px,100%);margin:auto;background:#fff}.search-faux{border:1px solid var(--line);border-radius:12px;padding:16px}.search-faux input{width:100%;min-height:46px;border:0;border-bottom:1px solid var(--line);outline:none;font-size:18px;padding:0}.search-faux span{display:block;color:var(--muted);font-size:13px;margin-top:10px}.quick-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.quick-links a{border:1px solid var(--line);border-radius:10px;padding:8px 12px}.overlay{position:fixed;inset:0;background:rgba(0,0,0,.38);z-index:50}.layer-open{overflow:hidden}.site-footer{background:#111;color:#eee;padding:58px 0 88px}.footer-grid{display:grid;grid-template-columns:1.6fr repeat(4,1fr);gap:34px}.footer-brand p{color:#bbb;max-width:360px}.footer-logo-row{display:flex;align-items:center;gap:12px;margin-bottom:16px}.footer-logo{height:34px;width:auto;object-fit:contain;background:#fff;border-radius:8px;padding:3px}.footer-logo-row strong,.footer-logo-row span{display:block}.footer-logo-row span{font-size:12px;color:#aaa;letter-spacing:.08em}.site-footer h2{font-size:15px;color:#fff}.site-footer section>a{display:block;color:#bbb;font-size:14px;padding:4px 0}.site-footer section>a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:24px;display:flex;justify-content:space-between;gap:30px;color:#999;font-size:13px}.mobile-bottom{display:none}.page-hero{padding:60px 0 36px;background:var(--paper);border-bottom:1px solid var(--line)}.page-hero-inner{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(260px,.75fr);gap:44px;align-items:center}.page-hero .media-box{min-height:210px}.page-body{padding:54px 0 76px}.article-section{margin-bottom:46px}.article-section:last-child{margin-bottom:0}.article-section p{max-width:820px}.fact-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.fact-item{padding:20px;border:1px solid var(--line);border-radius:12px;background:#fff}.faq details{border-bottom:1px solid var(--line);padding:18px 0}.faq summary{font-weight:800;cursor:pointer}.faq details p{margin-top:12px;color:var(--muted)}.contact-box{border:1px solid var(--line);border-radius:14px;padding:24px;background:var(--paper)}
@media(max-width:900px){.desktop-primary{gap:18px}.media-text,.media-text.reverse,.page-hero-inner{grid-template-columns:1fr}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.steps{grid-template-columns:repeat(2,minmax(0,1fr))}.menu-groups{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-brand{grid-column:1/-1}.article-layout{grid-template-columns:1fr}.aside-note{position:static}.status-row{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){body{padding-bottom:64px}.shell{width:min(var(--max),calc(100% - 32px))}.brand-strip{display:none}.main-nav-inner{height:60px;display:flex;justify-content:space-between;gap:10px}.main-nav{top:0}.brand-mark{font-size:19px;min-width:0}.logo-img{height:34px;max-width:120px}.desktop-primary,.topic-nav{display:none}.nav-actions{display:flex;gap:7px}.icon-text{display:inline-flex;align-items:center}.menu-button,.icon-text{padding:0 10px;font-size:13px}.section{padding:50px 0}.section-head{display:block}.lead{font-size:17px}.hero-media{min-height:160px;max-height:250px}.hero-media img{height:clamp(160px,55vw,250px)}.grid-2,.grid-3,.grid-4,.fact-list,.steps,.status-row{grid-template-columns:1fr}.media-text,.media-text.reverse{gap:24px}.media-box{min-height:170px;padding:12px}.media-box img{max-height:240px}.media-box.app img{max-height:360px;max-width:85%}.menu-panel,.search-panel{top:60px}.menu-panel{max-height:76vh}.menu-groups{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.menu-group a span{display:none}.footer-grid{grid-template-columns:1fr 1fr;gap:26px}.footer-bottom{display:block}.mobile-bottom{position:fixed;display:grid;grid-template-columns:repeat(4,1fr);left:0;right:0;bottom:0;z-index:40;height:calc(52px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--line)}.mobile-bottom a{position:relative;display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--muted)}.mobile-bottom a.is-current{color:var(--gold2);font-weight:800}.mobile-bottom a.is-current:before{content:"";position:absolute;top:0;width:22px;height:2px;background:var(--gold)}.page-hero{padding:42px 0 28px}.page-body{padding:42px 0 58px}.page-hero-inner{gap:24px}.site-footer{padding-bottom:110px}.footer-logo-row{align-items:flex-start}.quick-links{gap:8px}}