:root{--bg:#EEF5F5;--paper:#FAFDFC;--soft:#DCEBEC;--soft2:#E7F1F1;--ink:#103C46;--text:#294F57;--muted:#58757B;--muted2:#7B9094;--teal:#267D83;--green:#4E9E94;--night:#102C33;--gold:#C4A66A;--white:#F8FBFB;--line:rgba(16,60,70,.14);--line2:rgba(38,125,131,.34);--shadow:0 12px 30px rgba(16,44,51,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.82 system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button{font:inherit}.wrap{width:min(1180px,calc(100% - 40px));margin:auto}.skip{position:fixed;left:16px;top:-60px;z-index:300;background:#fff;padding:10px 14px}.skip:focus{top:10px}.brand-strip{height:36px;background:var(--night);color:var(--white);font-size:14px}.brand-strip-inner{height:100%;display:flex;align-items:center;justify-content:space-between}.brand-strip-inner>div{display:flex;gap:18px;align-items:center}.text-btn{border:0;background:none;color:inherit;cursor:pointer;padding:6px}.main-nav{height:66px;background:var(--white);position:sticky;top:0;z-index:80;border-bottom:1px solid var(--line)}.nav-inner{height:100%;display:grid;grid-template-columns:220px 1fr auto;align-items:center;gap:24px}.brand-logo{display:flex;align-items:center;font-weight:800;color:var(--ink);font-size:21px}.brand-logo img,.footer-brand img{height:36px;width:auto;max-width:170px;object-fit:contain}.primary-links{display:flex;justify-content:center;gap:32px}.primary-links a,.topic-index a{position:relative;padding:8px 2px}.primary-links a.active:after,.topic-index a.active:after{content:"";position:absolute;left:20%;right:20%;bottom:0;height:2px;background:var(--teal)}.nav-actions{display:flex;gap:8px}.menu-btn,.icon-btn,.panel-head button{min-height:44px;border:1px solid var(--line);background:var(--paper);color:var(--ink);border-radius:10px;padding:0 14px;cursor:pointer}.search-mobile{display:none}.topic-index{height:42px;background:var(--soft2);border-bottom:1px solid var(--line)}.topic-index-inner{height:100%;display:flex;justify-content:center;gap:28px;align-items:center;font-size:14px}.hero,.page-hero{padding:54px 0}.hero-media,.page-hero-media{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:16px;display:grid;place-items:center}.hero-media img{width:100%;height:clamp(220px,27vw,320px);object-fit:contain}.hero-copy{max-width:820px;margin:26px auto 0}.eyebrow{font-size:13px;letter-spacing:.1em;color:var(--teal);font-weight:700}.hero h1,.page-hero h1{font-size:clamp(28px,4vw,34px);line-height:1.25;color:var(--ink);margin:8px 0 10px}.lead{font-size:18px;color:var(--ink)}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}.btn{display:inline-flex;min-height:44px;align-items:center;padding:0 16px;border-radius:10px;background:var(--teal);color:#fff}.btn.alt{background:var(--paper);color:var(--ink);border:1px solid var(--line2)}section.section{padding:70px 0}.section.alt{background:var(--soft2)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:18px;margin-bottom:26px}.section h2,.article h2{font-size:clamp(22px,3vw,26px);line-height:1.35;color:var(--ink);margin:0 0 14px}.section h3,.article h3{color:var(--ink);line-height:1.4}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:36px}.card{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:var(--shadow)}.card p:last-child{margin-bottom:0}.text-link{color:var(--teal);font-weight:700}.media-copy{display:grid;grid-template-columns:1.1fr .9fr;gap:46px;align-items:center}.media-copy.reverse{grid-template-columns:.9fr 1.1fr}.image-box{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:14px;display:grid;place-items:center}.image-box img,.content-image{width:100%;height:auto;max-width:100%;object-fit:contain;object-position:center}.image-box.fixed img{height:clamp(220px,25vw,300px)}.article{width:min(800px,calc(100% - 40px));margin:0 auto;padding:58px 0}.article p{margin:0 0 18px}.article ul{padding-left:22px}.aside-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:42px}.index-list{display:grid;gap:10px}.index-list a,.index-list div{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:14px}.number-list{display:grid;gap:14px}.number-item{display:grid;grid-template-columns:44px 1fr;gap:16px;padding:20px 0;border-bottom:1px solid var(--line)}.number-item .num{color:var(--gold);font-weight:800}.status-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.status{padding:20px;background:var(--paper);border:1px solid var(--line);border-radius:12px}.flow{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.flow .step{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:20px}.step b{color:var(--gold);display:block;font-size:13px}.tag-list{display:flex;gap:10px;flex-wrap:wrap}.tag{padding:7px 10px;border:1px solid var(--line2);border-radius:8px;background:var(--paper);font-size:14px}.note{border-left:3px solid var(--gold);padding:14px 18px;background:var(--paper);border-radius:0 10px 10px 0}.app-layout{display:grid;grid-template-columns:.4fr .6fr;gap:48px;align-items:center}.app-image{display:grid;place-items:center;background:var(--white);border:1px solid var(--line);border-radius:14px;padding:18px}.app-image img{max-height:400px;width:auto;max-width:100%;object-fit:contain}.service-band{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.service-band article{background:var(--paper);border-top:3px solid var(--gold);padding:22px}.site-footer{background:var(--night);color:var(--white);padding:48px 0 calc(24px + env(safe-area-inset-bottom))}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(4,1fr);gap:28px}.footer-grid h3{font-size:15px;margin:0 0 12px;color:#fff}.footer-grid a{display:block;color:#d9e7e8;font-size:14px;padding:4px 0}.footer-brand{display:grid;align-content:start;gap:8px}.footer-brand span{color:#bcd0d2;font-size:13px}.footer-brand p{color:#c9d8da;font-size:14px;max-width:280px}.footer-note{border-top:1px solid rgba(255,255,255,.12);margin-top:30px;padding-top:18px;font-size:13px;color:#bcd0d2;display:flex;justify-content:space-between;gap:20px}.overlay{position:fixed;inset:0;background:rgba(16,44,51,.34);z-index:150;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.open{opacity:1;visibility:visible;pointer-events:auto}.panel{position:fixed;left:0;right:0;top:102px;z-index:170;background:var(--white);max-height:70vh;overflow:auto;box-shadow:var(--shadow);opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-8px);transition:.2s}.panel.open{opacity:1;visibility:visible;pointer-events:auto;transform:none}.panel-head{position:sticky;top:0;background:var(--white);display:flex;justify-content:space-between;align-items:center;padding:14px max(20px,calc((100vw - 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@media(max-width:640px){body{line-height:1.78}.wrap,.article{width:calc(100% - 32px)}.brand-logo img{height:32px}.nav-actions{gap:6px}.menu-btn,.icon-btn{padding:0 10px}.hero,.page-hero{padding:36px 0}.hero-media{padding:10px}.hero-media img{height:clamp(160px,56vw,240px)}section.section{padding:48px 0}.grid-4,.grid-3,.grid-2,.status-row,.flow,.footer-grid{grid-template-columns:1fr}.card{padding:18px}.media-copy{gap:24px}.image-box.fixed img{height:clamp(170px,56vw,240px)}.menu-groups{grid-template-columns:1fr 1fr;gap:18px}.panel{max-height:76vh}.panel-head{padding:12px 16px}.number-item{grid-template-columns:36px 1fr}.app-image img{max-width:85%}.section-head{align-items:start;flex-direction:column}}