*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#F5FAFE;color:#2A4156;font:15px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;overflow-x:hidden}body.is-locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.shell{width:min(1120px,calc(100% - 32px));margin:0 auto}.skip-link{position:fixed;left:16px;top:-80px;z-index:2000;background:#fff;color:#16324A;padding:10px 14px;border-radius:8px}.skip-link:focus{top:10px}.site-header{position:fixed;inset:0 0 auto 0;z-index:1000}.thinbar{height:22px;background:#1B4A6E;color:#fff;font-size:12px}.thinbar-inner{height:22px;display:flex;align-items:center;justify-content:space-between}.thin-brand{font-weight:700;letter-spacing:.04em}.text-button{border:0;background:transparent;color:#fff;min-height:22px;padding:0 6px}.masthead{height:60px;background:#fff;border-bottom:1px solid rgba(74,163,224,.16)}.masthead-inner{height:60px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center}.brand-lockup{justify-self:start;display:inline-flex;min-width:44px;min-height:44px;align-items:center}.brand-logo,.drawer-logo,.footer-logo{height:28px;width:auto;max-width:148px;object-fit:contain;object-position:center}.brand-fallback{font-weight:800;color:#16324A;font-size:20px}.drawer-trigger{justify-self:center;min-width:72px;min-height:44px;border:1px solid rgba(74,163,224,.42);background:#fff;border-radius:11px;color:#1B4A6E;font-weight:700}.app-link{justify-self:end;display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 14px;border-radius:11px;background:linear-gradient(135deg,#6BB8EC 0%,#4AA3E0 55%,#1B4A6E 100%);color:#fff;font-weight:700;font-size:14px}.section-tabs{height:40px;background:#EAF5FC;border-bottom:1px solid rgba(74,163,224,.16)}.tab-inner{height:40px;display:flex;justify-content:center;align-items:center;gap:12px}.tab-link{height:32px;min-width:76px;display:inline-flex;align-items:center;justify-content:center;border-radius:9px;color:#1B4A6E;font-size:13px;font-weight:700}.tab-link.is-active{background:#4AA3E0;color:#fff}.site-main{padding-top:122px;min-height:70vh}.page-section{padding:48px 0}.page-section.compact{padding:32px 0}.hero{padding:34px 0 40px}.hero h1,.page-head h1{margin:0 0 12px;color:#16324A;font-size:24px;line-height:1.3}.hero p,.page-head p{max-width:760px;margin:0;color:#4E6A80}.eyebrow{margin:0 0 8px!important;color:#4AA3E0!important;font-size:13px!important;font-weight:800;letter-spacing:.12em}.cover-slot,.image-slot{width:100%;display:flex;align-items:center;justify-content:center;background:#EAF5FC;border:1px solid rgba(74,163,224,.16);border-radius:14px;overflow:hidden}.cover-slot{height:260px}.image-slot{height:200px}.image-slot.small{height:180px}.image-slot.app{height:min(360px,60vw)}.cover-slot img,.image-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.cover-copy{padding-top:20px}.cover-copy h1{font-size:24px}.cover-copy .lead{max-width:820px;margin:8px 0 0}.button-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}.button-primary,.button-secondary{display:inline-flex;min-height:44px;align-items:center;justify-content:center;padding:0 18px;border-radius:11px;font-size:14px;font-weight:800}.button-primary{background:linear-gradient(135deg,#6BB8EC 0%,#4AA3E0 55%,#1B4A6E 100%);color:#fff}.button-secondary{background:#fff;color:#1B4A6E;border:1px solid rgba(74,163,224,.42)}a:hover{opacity:.9}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(74,163,224,.45);outline-offset:2px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:18px}.section-head h2{margin:0;color:#16324A;font-size:20px;line-height:1.35}.section-head p{margin:0;color:#6E8899;max-width:640px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.card,.prose-card,.index-card,.timeline-item,.note-card{background:#fff;border:1px solid rgba(74,163,224,.16);box-shadow:0 12px 28px rgba(27,74,110,.08);border-radius:12px}.card,.index-card,.note-card{padding:16px}.card h3,.index-card h3,.note-card h3{margin:14px 0 6px;color:#16324A;font-size:16px}.card p,.index-card p,.note-card p{margin:0;color:#4E6A80}.prose-card{padding:24px;margin-top:18px}.prose-card h2{margin:0 0 10px;color:#16324A;font-size:20px}.prose-card h3{margin:20px 0 8px;color:#16324A;font-size:16px}.prose-card p{margin:0 0 12px}.number-list{display:grid;gap:12px}.number-row{display:grid;grid-template-columns:52px 1fr;gap:14px;align-items:start;background:#fff;border:1px solid rgba(74,163,224,.16);border-radius:12px;padding:16px}.number{color:#4AA3E0;font-size:24px;font-weight:800;line-height:1}.number-row h3{margin:0 0 6px;color:#16324A}.number-row p{margin:0}.shelf{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.shelf a{display:block;background:#fff;border:1px solid rgba(74,163,224,.16);border-radius:12px;padding:18px}.shelf strong{display:block;color:#16324A;margin-bottom:5px}.shelf span{color:#4E6A80}.timeline{position:relative;margin-left:10px;padding-left:24px}.timeline:before{content:"";position:absolute;left:5px;top:4px;bottom:4px;width:2px;background:#D7EAF6}.timeline-item{position:relative;padding:18px;margin-bottom:14px}.timeline-item:before{content:"";position:absolute;left:-27px;top:22px;width:12px;height:12px;border-radius:50%;background:#4AA3E0;border:3px solid #F5FAFE}.status{display:inline-flex;padding:4px 9px;border-radius:999px;background:#EAF5FC;color:#1B4A6E;font-size:12px;font-weight:800}.article-body{max-width:860px}.article-body p{margin:0 0 14px}.article-body h2{margin:28px 0 10px;color:#16324A;font-size:20px}.article-body h3{margin:20px 0 8px;color:#16324A;font-size:16px}.quote-box{background:#EAF5FC;border-left:4px solid #4AA3E0;padding:16px 18px;border-radius:0 10px 10px 0;margin:18px 0}.faq-list{display:grid;gap:14px}.faq-item{background:#fff;border:1px solid rgba(74,163,224,.16);border-radius:12px;padding:18px}.faq-item h2{margin:0 0 8px;color:#16324A;font-size:16px}.faq-item p{margin:0}.site-footer{background:#1B4A6E;color:#E7F2FA;border-top:1px solid rgba(234,245,252,.35);padding:36px 0 72px}.footer-grid{display:grid;grid-template-columns:2fr repeat(4,1fr);gap:24px}.footer-brand{display:grid;gap:8px;align-content:start}.footer-brand>a{display:inline-flex;width:max-content}.footer-brand strong{font-size:16px}.footer-brand span{font-size:13px}.footer-brand p{font-size:13px;max-width:360px;margin:6px 0 0}.footer-grid h2{font-size:13px;margin:0 0 8px;color:#fff}.footer-grid>div:not(.footer-brand){display:flex;flex-direction:column;gap:6px}.footer-grid a{font-size:13px}.footer-bottom{border-top:1px solid rgba(234,245,252,.18);margin-top:24px;padding-top:16px;font-size:13px}.overlay{position:fixed;inset:0;background:rgba(22,50,74,.28);z-index:1190;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.drawer{position:fixed;top:0;right:0;width:min(400px,86vw);height:100dvh;background:#fff;z-index:1200;transform:translateX(102%);visibility:hidden;pointer-events:none;transition:transform .24s ease,visibility .24s;overflow:auto;box-shadow:-16px 0 40px rgba(27,74,110,.12)}.drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{position:sticky;top:0;background:#fff;display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid rgba(74,163,224,.16);z-index:2}.drawer-brand{display:flex;align-items:center;gap:10px}.icon-button{width:44px;height:44px;border:1px solid rgba(74,163,224,.22);border-radius:10px;background:#fff;color:#1B4A6E;font-size:24px;line-height:1}.drawer-groups{padding:8px 16px 28px}.drawer-groups section{padding:10px 0}.drawer-groups h2{margin:0 0 7px;color:#4AA3E0;font-size:13px}.drawer-groups a{display:block;padding:11px 8px;border-radius:9px}.drawer-groups a:hover{background:#EAF5FC;opacity:1}.drawer-groups b{display:block;color:#16324A;font-size:14px}.drawer-groups span{display:block;color:#6E8899;font-size:12px;margin-top:2px}.search-layer{position:fixed;left:0;right:0;top:82px;z-index:1180;visibility:hidden;pointer-events:none;opacity:0;transition:.2s}.search-layer.is-open{visibility:visible;pointer-events:auto;opacity:1}.search-card{width:min(760px,calc(100% - 32px));margin:14px auto;background:#fff;border:1px solid rgba(74,163,224,.16);box-shadow:0 18px 42px rgba(27,74,110,.14);border-radius:14px;padding:18px}.search-head{display:flex;align-items:center;justify-content:space-between}.search-card p{margin:6px 0 12px}.search-card label{display:block;color:#4E6A80;font-size:13px;margin-bottom:6px}.search-card input{width:100%;height:44px;border:1px solid rgba(74,163,224,.42);border-radius:10px;padding:0 12px;color:#16324A;background:#fff}.search-presets{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.search-presets a{display:inline-flex;min-height:40px;align-items:center;padding:0 14px;background:#EAF5FC;color:#1B4A6E;border-radius:9px;font-weight:700}.mobile-bottom{display:none}.table-like{display:grid;gap:10px}.table-like>div{display:grid;grid-template-columns:150px 1fr;gap:16px;background:#fff;border:1px solid rgba(74,163,224,.16);border-radius:10px;padding:14px}.table-like strong{color:#16324A}.tag-row{display:flex;gap:8px;flex-wrap:wrap}.tag{display:inline-flex;padding:5px 10px;border-radius:999px;background:#D7EAF6;color:#1B4A6E;font-size:12px;font-weight:700}.app-panel{display:grid;grid-template-columns:minmax(240px,.85fr) 1.15fr;gap:24px;align-items:center}.app-icon{width:48px;height:48px;object-fit:contain}.legal-list{padding-left:20px}.legal-list li{margin-bottom:8px}.muted{color:#6E8899}.center{text-align:center}
@media (max-width:820px){.grid-3,.grid-2,.shelf,.footer-grid,.app-panel{grid-template-columns:1fr}.footer-grid{gap:20px}.section-head{align-items:start;flex-direction:column;gap:6px}.table-like>div{grid-template-columns:1fr;gap:4px}.site-footer{padding-bottom:88px}}
@media (max-width:640px){.section-tabs{display:none}.site-main{padding-top:82px;padding-bottom:54px}.thinbar{height:22px}.masthead,.masthead-inner{height:60px}.shell{width:min(100% - 32px,1120px)}.masthead-inner{grid-template-columns:1fr auto 1fr}.brand-logo{max-width:92px}.app-link{padding:0 10px;font-size:13px}.drawer-trigger{min-width:64px}.page-section{padding:36px 0}.hero{padding:24px 0 32px}.cover-slot{height:260px}.image-slot.small{height:180px}.search-layer{inset:0;top:0;background:#1B4A6E}.search-layer.is-open{display:flex;align-items:flex-start}.search-card{width:100%;height:100dvh;margin:0;border:0;border-radius:0;background:#1B4A6E;color:#fff;padding:calc(18px + env(safe-area-inset-top)) 16px 24px}.search-card p,.search-card label{color:#E7F2FA}.search-card input{background:#fff}.search-presets a{background:#fff;color:#1B4A6E}.search-head strong{color:#fff}.search-head .icon-button{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}.mobile-bottom{position:fixed;z-index:1100;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(5,1fr);min-height:48px;padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid rgba(74,163,224,.18)}.mobile-bottom a{min-height:48px;display:flex;align-items:center;justify-content:center;font-size:12px;color:#1B4A6E}.mobile-bottom a.is-active{background:#4AA3E0;color:#fff}.drawer.is-open~.mobile-bottom{z-index:1100}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-bottom{padding-bottom:8px}.number-row{grid-template-columns:44px 1fr}.prose-card{padding:18px}.cover-copy h1,.page-head h1{font-size:24px}}