:root{
  --bg:#F5FAFE;--deep:#E7F2FA;--paper:#FFFFFF;--soft:#D7EAF6;--title:#16324A;--text:#2A4156;--muted:#4E6A80;--sub:#6E8899;--brand:#4AA3E0;--bright:#6BB8EC;--navy:#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)
}
*{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",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto}button{font:inherit}button,a{touch-action:manipulation}.no-scroll{overflow:hidden}.topline{position:fixed;z-index:60;top:0;left:0;right:0;height:22px;background:var(--navy);color:#fff;font-size:12px}.topline-inner{width:min(1120px,calc(100% - 32px));height:22px;margin:auto;display:flex;align-items:center;justify-content:space-between}.text-button{border:0;background:none;color:#fff;padding:0 2px;min-width:44px;height:22px;cursor:pointer}.masthead{position:fixed;z-index:60;top:22px;left:0;right:0;height:60px;background:#fff;border-bottom:1px solid var(--border);display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 max(16px,calc((100% - 1120px)/2))}.brand-home{justify-self:start;min-width:44px;height:44px;display:flex;align-items:center;font-weight:800;color:var(--navy);font-size:16px}.brand-home img,.footer-brand img,.drawer-brand img{height:28px;width:auto;object-fit:contain}.drawer-trigger{justify-self:center;height:44px;min-width:76px;border:1px solid var(--border-strong);border-radius:12px;background:var(--mist);color:var(--navy);cursor:pointer}.app-link{justify-self:end;min-width:88px;height:44px;padding:0 15px;border-radius:12px;background:linear-gradient(135deg,#6BB8EC 0%,#4AA3E0 55%,#1B4A6E 100%);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px}.tabbar{position:fixed;z-index:55;top:82px;left:0;right:0;height:40px;background:var(--mist);border-bottom:1px solid var(--border)}.tabbar-inner{height:100%;display:flex;justify-content:center;align-items:center;gap:8px}.tabbar a{height:32px;min-width:76px;padding:0 14px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--navy)}.tabbar a.is-current{background:var(--brand);color:#fff}.site-main{padding-top:146px;min-height:70vh}.page-wrap{width:min(1120px,calc(100% - 32px));margin:0 auto 72px}.page-head{margin-bottom:24px}.eyebrow{display:inline-flex;min-height:30px;align-items:center;padding:0 11px;border-radius:999px;background:var(--mist);color:var(--navy);font-size:13px;border:1px solid var(--border)}h1{margin:10px 0 8px;font-size:24px;line-height:1.3;color:var(--title)}h2{font-size:20px;line-height:1.4;color:var(--title);margin:0 0 10px}h3{font-size:16px;line-height:1.45;color:var(--title);margin:0 0 8px}p{margin:0 0 14px}.lead{font-size:16px;color:var(--muted);max-width:820px}.section{margin-top:28px}.panel,.card,.faq-item,.timeline-item,.note-card,.index-card{background:var(--paper);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow)}.panel{padding:24px}.cards-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.cards-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.card{padding:18px}.card .media-slot{margin:-2px -2px 14px}.media-slot{height:200px;border-radius:12px;background:var(--mist);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot.banner{height:260px}.media-slot.small{height:180px}.media-slot.tall{height:360px}.media-slot.icon-slot{height:76px;justify-content:flex-start;padding:12px}.media-slot.icon-slot img{width:48px;height:48px;object-fit:contain}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.hero-copy{padding:18px 0 0}.hero-brand{font-weight:800;letter-spacing:.08em;color:var(--navy)}.hero-title{font-size:24px;line-height:1.3;color:var(--title);font-weight:800;margin:6px 0 10px}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.btn{height:42px;padding:0 17px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;white-space:nowrap;min-width:116px}.btn-primary{color:#fff;background:linear-gradient(135deg,#6BB8EC 0%,#4AA3E0 55%,#1B4A6E 100%)}.btn-secondary{background:#fff;border:1px solid var(--border-strong);color:var(--navy)}.btn:hover,.drawer-item:hover,.footer-grid a:hover,.tabbar a:hover{filter:brightness(.98);transform:translateY(-1px)}.btn:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid rgba(74,163,224,.25);outline-offset:2px}.number-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}.number-list li{display:grid;grid-template-columns:44px 1fr;gap:12px;align-items:start;padding:14px;border-radius:12px;background:var(--mist);border:1px solid var(--border)}.number-list strong{width:38px;height:38px;border-radius:10px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center}.shelf{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.shelf a{display:block;background:#fff;border:1px solid var(--border);border-radius:12px;padding:16px}.shelf small{display:block;color:var(--sub);margin-top:4px}.timeline{position:relative;margin-left:12px;padding-left:28px}.timeline::before{content:"";position:absolute;left:6px;top:8px;bottom:8px;width:2px;background:var(--soft)}.timeline-item{position:relative;padding:16px 18px;margin-bottom:14px}.timeline-item::before{content:"";position:absolute;left:-28px;top:20px;width:14px;height:14px;border-radius:50%;background:var(--brand);border:3px solid var(--bg)}.status{display:inline-flex;font-size:12px;color:var(--navy);background:var(--mist);border:1px solid var(--border);border-radius:999px;padding:2px 8px;margin-bottom:8px}.note-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.note-card{padding:18px}.prose{max-width:860px}.prose h2{margin-top:28px}.prose ul{padding-left:20px}.prose li{margin:7px 0}.index-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.index-card{padding:16px}.index-card a{color:var(--navy);font-weight:700}.faq-list{display:grid;gap:14px}.faq-item{padding:18px}.faq-item h2{font-size:16px}.site-footer{background:var(--navy);color:var(--deep);border-top:1px solid rgba(234,245,252,.18)}.footer-inner{width:min(1120px,calc(100% - 32px));margin:auto;padding:34px 0 80px}.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:20px}.footer-brand strong{font-size:16px;color:#fff}.footer-brand span{font-size:13px}.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.footer-grid h2{font-size:13px;color:#fff;margin-bottom:8px}.footer-grid a{display:block;font-size:13px;color:var(--deep);min-height:30px}.footer-note,.copyright{font-size:13px;color:var(--deep);margin-top:22px}.copyright{opacity:.8;margin-top:8px}.overlay{position:fixed;z-index:80;inset:0;background:rgba(22,50,74,.35);opacity:0;pointer-events:none;transition:.2s}.overlay.is-active{opacity:1;pointer-events:auto}.drawer{position:fixed;z-index:90;top:0;right:0;width:400px;max-width:86vw;height:100dvh;background:#fff;box-shadow:-20px 0 50px rgba(27,74,110,.18);transform:translateX(105%);visibility:hidden;pointer-events:none;transition:transform .24s ease,visibility .24s}.drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{height:72px;padding:0 18px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border)}.drawer-brand{display:flex;gap:10px;align-items:center}.icon-button{min-width:56px;height:40px;border:1px solid var(--border-strong);border-radius:10px;background:#fff;color:var(--navy);cursor:pointer}.drawer-scroll{height:calc(100dvh - 72px);overflow:auto;padding:16px}.drawer-group{margin-bottom:20px}.drawer-group h2{font-size:13px;color:var(--muted);margin:0 0 8px}.drawer-item{display:block;padding:12px;border-radius:12px;border:1px solid transparent}.drawer-item:hover{background:var(--mist);border-color:var(--border)}.drawer-item span{display:block;font-weight:700;color:var(--title)}.drawer-item small{display:block;color:var(--sub);font-size:12px;margin-top:2px}.search-layer{position:fixed;z-index:88;left:0;right:0;top:82px;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:12px auto;background:#fff;border:1px solid var(--border-strong);border-radius:14px;padding:18px;box-shadow:var(--shadow)}.search-head{display:flex;align-items:center;justify-content:space-between;color:var(--title)}.search-presets{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}.search-presets a{min-height:44px;padding:0 15px;border-radius:10px;background:var(--mist);color:var(--navy);display:flex;align-items:center}.mobile-nav{display:none}
@media (max-width:780px){.masthead{grid-template-columns:1fr auto 1fr}.brand-home{max-width:90px}.app-link{min-width:76px;padding:0 10px}.tabbar{display:none}.site-main{padding-top:106px;padding-bottom:64px}.cards-3,.cards-2,.note-grid,.index-grid,.shelf,.footer-grid{grid-template-columns:1fr}.page-wrap{width:calc(100% - 32px)}.panel{padding:18px}.media-slot.banner{height:260px}.media-slot.tall{height:320px}.search-layer{top:0;bottom:0;background:var(--navy);padding-top:22px}.search-card{width:calc(100% - 24px);height:calc(100dvh - 44px);margin:0 auto;background:var(--navy);border-color:rgba(255,255,255,.18);color:#fff;box-shadow:none}.search-head{color:#fff}.search-head .icon-button{background:transparent;color:#fff;border-color:rgba(255,255,255,.3)}.search-presets a{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.16)}.mobile-nav{position:fixed;z-index:65;display:grid;grid-template-columns:repeat(5,1fr);left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--border)}.mobile-nav a{display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--navy)}.mobile-nav a.is-current{background:var(--brand);color:#fff}.footer-inner{padding-bottom:88px}.hero-title{font-size:22px}.number-list li{grid-template-columns:40px 1fr}.timeline{margin-left:7px}.drawer{max-width:86vw}}
@media (max-width:420px){.masthead{padding:0 12px}.brand-home img{max-width:80px}.drawer-trigger{min-width:68px}.app-link{min-width:72px}.topline-inner{width:calc(100% - 24px)}.page-wrap{width:calc(100% - 32px)}}