:root{--bg:#F5FAFE;--deep:#E7F2FA;--card:#FFFFFF;--soft:#D7EAF6;--title:#16324A;--text:#2A4156;--muted:#4E6A80;--aux:#6E8899;--brand:#4AA3E0;--bright:#6BB8EC;--deepblue:#1B4A6E;--mist:#EAF5FC;--border:rgba(74,163,224,.16);--border-strong:rgba(74,163,224,.42);--shadow:0 12px 28px rgba(27,74,110,.08);--radius:12px;--max:1120px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}.skip-link{position:fixed;left:12px;top:-60px;z-index:300;background:#fff;color:var(--deepblue);padding:8px 12px;border-radius:8px}.skip-link:focus{top:8px}.thinbar{position:fixed;top:0;left:0;right:0;height:22px;background:var(--deepblue);color:#fff;z-index:120}.thinbar-inner,.masthead-inner,.tabbar-inner{max-width:var(--max);height:100%;margin:0 auto;display:flex;align-items:center}.thinbar-inner{justify-content:space-between;padding:0 18px;font-size:12px}.text-action{border:0;background:transparent;color:#fff;padding:0 4px;min-height:22px;cursor:pointer}.masthead{position:fixed;top:22px;left:0;right:0;height:60px;background:#fff;border-bottom:1px solid var(--border);z-index:118}.masthead-inner{display:grid;grid-template-columns:1fr auto 1fr;padding:0 18px}.brand-link{justify-self:start;display:flex;align-items:center;min-width:60px;height:44px}.logo-slot,.footer-logo,.drawer-logo{display:inline-flex;align-items:center;min-width:52px;height:28px}.logo-slot img,.footer-logo img,.drawer-logo img{height:28px;max-width:132px;object-fit:contain;object-position:center}.logo-fallback{font-weight:800;font-size:18px;color:var(--deepblue)}.logo-slot img+.logo-fallback,.footer-logo img+.logo-fallback,.drawer-logo img+.logo-fallback{display:none}.logo-fallback.inverse{color:#fff}.drawer-trigger{justify-self:center;min-width:72px;height:40px;border:1px solid var(--border-strong);border-radius:10px;background:var(--mist);color:var(--deepblue);font-size:14px;cursor:pointer}.app-link{justify-self:end;display:inline-flex;align-items:center;justify-content:center;min-width:84px;height:40px;padding:0 14px;border-radius:10px;background:linear-gradient(135deg,#6BB8EC 0%,#4AA3E0 55%,#1B4A6E 100%);color:#fff;font-size:14px}.tabbar{position:fixed;top:82px;left:0;right:0;height:40px;background:var(--mist);border-bottom:1px solid var(--border);z-index:116}.tabbar-inner{justify-content:center;gap:8px}.tabbar a{display:inline-flex;align-items:center;justify-content:center;height:30px;min-width:78px;padding:0 16px;border-radius:9px;color:var(--deepblue);font-size:13px}.tabbar a.active{background:var(--brand);color:#fff}.site-main{padding-top:146px;padding-bottom:40px;min-height:70vh}.container{width:min(var(--max),calc(100% - 36px));margin:0 auto}.hero{padding:26px 0 20px}.page-hero{display:grid;gap:16px;padding:24px 0 8px}.eyebrow{font-size:12px;letter-spacing:.08em;color:var(--brand);font-weight:700}.hero h1,.page-hero h1{font-size:24px;line-height:1.3;margin:6px 0 10px;color:var(--title)}h2{font-size:20px;line-height:1.4;color:var(--title);margin:0 0 12px}h3{font-size:16px;line-height:1.45;color:var(--title);margin:0 0 8px}p{margin:0 0 12px}.lead{font-size:16px;color:var(--muted);max-width:820px}.hero-actions,.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.btn{display:inline-flex;align-items:center;justify-content:center;height:42px;padding:0 18px;border-radius:10px;font-size:14px;border:1px solid transparent}.btn-primary{background:linear-gradient(135deg,#6BB8EC 0%,#4AA3E0 55%,#1B4A6E 100%);color:#fff}.btn-secondary{background:#fff;border-color:var(--border-strong);color:var(--deepblue)}a:hover,.text-action:hover,.drawer-trigger:hover{filter:brightness(.98)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(74,163,224,.28);outline-offset:2px}.cover-slot,.image-slot{display:flex;align-items:center;justify-content:center;width:100%;background:var(--mist);border:1px solid var(--border);border-radius:14px;overflow:hidden}.cover-slot{height:260px}.image-slot{height:200px}.image-slot.medium{height:220px}.image-slot.tall{height:360px}.image-slot.icon-slot{width:48px;height:48px}.cover-slot img,.image-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.brand-copy{padding:18px 0 0}.brand-copy strong{display:block;color:var(--title);font-size:16px;margin-bottom:6px}.section{padding:28px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:16px}.section-head p{max-width:640px;color:var(--muted);margin:0}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}.card.compact{box-shadow:none}.card p:last-child{margin-bottom:0}.card .image-slot{margin-bottom:14px;height:180px}.tag{display:inline-flex;align-items:center;min-height:28px;padding:3px 10px;border-radius:999px;background:var(--mist);color:var(--deepblue);font-size:12px;margin-bottom:10px}.number-list,.shelf-list,.plain-list{display:grid;gap:10px}.number-item,.shelf-item{display:grid;grid-template-columns:44px 1fr;gap:12px;align-items:start;padding:14px;border:1px solid var(--border);border-radius:10px;background:#fff}.number{font-size:18px;font-weight:800;color:var(--brand);line-height:1.2}.number-item p,.shelf-item p{color:var(--muted);margin:4px 0 0}.timeline{position:relative;display:grid;gap:14px;margin-left:8px;padding-left:26px}.timeline:before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:var(--soft)}.timeline-item{position:relative;background:#fff;border:1px solid var(--border);border-radius:10px;padding:14px 16px}.timeline-item:before{content:"";position:absolute;left:-26px;top:20px;width:12px;height:12px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 5px var(--mist)}.status{font-size:12px;color:var(--deepblue);background:var(--mist);border-radius:999px;padding:3px 9px;display:inline-block;margin-bottom:8px}.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px;align-items:start}.article-copy{background:#fff;border:1px solid var(--border);border-radius:14px;padding:24px;box-shadow:var(--shadow)}.article-copy section+section{margin-top:26px;padding-top:24px;border-top:1px solid var(--border)}.article-copy p{color:var(--text)}.side-panel{position:sticky;top:142px;display:grid;gap:14px}.notice{padding:16px;border-radius:12px;background:var(--mist);border:1px solid var(--border);color:var(--muted)}.index-links{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.index-links a{display:block;background:#fff;border:1px solid var(--border);border-radius:10px;padding:12px 14px;color:var(--deepblue)}.faq-list{display:grid;gap:12px}.faq-item{background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px}.faq-item h2{font-size:16px;margin-bottom:8px}.site-footer{background:var(--deepblue);color:#E7F2FA;border-top:1px solid rgba(234,245,252,.25);padding:34px 0 calc(34px + env(safe-area-inset-bottom))}.footer-inner{width:min(var(--max),calc(100% - 36px));margin:0 auto}.footer-brand{display:flex;align-items:center;gap:14px;margin-bottom:24px}.footer-brand>div:last-child{display:grid}.footer-brand strong{font-size:16px}.footer-brand span{font-size:12px;color:#cde5f4}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.footer-grid h2{font-size:13px;color:#fff;margin-bottom:8px}.footer-grid a{display:block;font-size:13px;color:#E7F2FA;padding:3px 0}.copyright-note{font-size:13px;margin:26px 0 8px;color:#d7eaf6;max-width:880px}.copyright{font-size:13px;color:#c4dceb;margin:0}.overlay{position:fixed;inset:0;background:rgba(22,50,74,.28);z-index:180;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.show{opacity:1;visibility:visible;pointer-events:auto}.drawer{position:fixed;top:0;right:0;bottom:0;width:400px;max-width:86vw;background:#fff;z-index:200;transform:translateX(105%);visibility:hidden;pointer-events:none;transition:transform .22s ease,visibility .22s}.drawer.open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{height:74px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid var(--border)}.drawer-brand{display:flex;align-items:center;gap:10px;color:var(--title)}.icon-close{min-width:64px;height:40px;border:1px solid var(--border-strong);background:#fff;color:var(--deepblue);border-radius:10px;cursor:pointer}.drawer-scroll{height:calc(100% - 74px);overflow:auto;padding:16px 18px 28px}.drawer-group+ .drawer-group{margin-top:20px}.drawer-group h2{font-size:13px;color:var(--aux);margin-bottom:8px}.drawer-group a{display:grid;grid-template-columns:72px 1fr;gap:8px;padding:10px 0;border-bottom:1px solid var(--border)}.drawer-group strong{font-size:14px;color:var(--title)}.drawer-group span{font-size:12px;color:var(--muted)}.search-layer{position:fixed;inset:0;z-index:195;visibility:hidden;pointer-events:none}.search-layer.open{visibility:visible;pointer-events:auto}.search-card{position:absolute;top:92px;left:50%;transform:translateX(-50%);width:min(760px,calc(100% - 36px));background:#fff;border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);padding:20px}.search-head{display:flex;justify-content:space-between;gap:18px;align-items:start}.search-head h2{margin-top:4px}.search-label{display:block;font-size:13px;color:var(--muted);margin:12px 0 6px}.search-card input{width:100%;height:44px;border:1px solid var(--border-strong);border-radius:10px;padding:0 12px;color:var(--title);background:#fff}.search-presets{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.search-presets a{display:inline-flex;align-items:center;height:38px;padding:0 14px;background:var(--mist);border-radius:9px;color:var(--deepblue)}.mobile-dock{display:none}.split-feature{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:stretch}.split-feature .card{height:100%}.quote{padding:18px;border-left:3px solid var(--brand);background:var(--mist);border-radius:0 10px 10px 0;color:var(--deepblue)}
@media (max-width:860px){.site-main{padding-top:106px;padding-bottom:86px}.tabbar{display:none}.grid-3{grid-template-columns:1fr}.grid-2,.split-feature{grid-template-columns:1fr}.article-grid{grid-template-columns:1fr}.side-panel{position:static}.footer-grid{grid-template-columns:repeat(2,1fr)}.mobile-dock{position:fixed;left:0;right:0;bottom:0;z-index:150;display:grid;grid-template-columns:repeat(5,1fr);height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--border)}.mobile-dock a{display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--deepblue);min-height:48px}.mobile-dock a.active{background:var(--brand);color:#fff}.site-footer{padding-bottom:calc(82px + env(safe-area-inset-bottom))}.search-layer{background:var(--deepblue)}.search-card{top:0;left:0;transform:none;width:100%;height:100%;border:0;border-radius:0;background:var(--deepblue);color:#fff;padding:30px 16px}.search-card .eyebrow,.search-card h2,.search-label{color:#fff}.search-card input{background:#fff}.search-presets a{background:#fff;color:var(--deepblue)}.search-card .icon-close{border-color:rgba(255,255,255,.5);background:transparent;color:#fff}}
@media (max-width:560px){.container,.footer-inner{width:calc(100% - 32px)}.thinbar-inner,.masthead-inner{padding-left:16px;padding-right:16px}.masthead-inner{grid-template-columns:1fr auto 1fr}.brand-link{min-width:44px}.app-link{min-width:72px;padding:0 10px}.drawer-trigger{min-width:64px}.hero{padding-top:18px}.cover-slot{height:220px}.image-slot.tall{height:320px}.section{padding:22px 0}.section-head{display:block}.section-head p{margin-top:6px}.article-copy{padding:18px}.footer-grid{grid-template-columns:1fr 1fr}.number-item,.shelf-item{grid-template-columns:38px 1fr}.index-links{grid-template-columns:1fr}}