*{margin:0;padding:0;box-sizing:border-box}
:root{--navy:#0b1b33;--navy2:#12294d;--blue:#019fe1;--blue-d:#0077b3;--ink:#1a2433;--muted:#5b6b82;--bg:#f6f9fc;--card:#ffffff;--line:#e3eaf2;--amber:#fff8e6;--amber-b:#e8b93c}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);line-height:1.75}
a{color:var(--blue-d);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
header.site{background:var(--navy);color:#fff;position:sticky;top:0;z-index:50}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{font-size:20px;font-weight:800;letter-spacing:.5px}.brand small{display:block;font-size:11px;font-weight:400;color:#9fb3cc;letter-spacing:2px}
nav.main{display:flex;gap:4px;flex-wrap:wrap}
nav.main a{color:#cfe0f2;padding:8px 12px;border-radius:6px;font-size:14px}
nav.main a:hover{background:rgba(255,255,255,.08);text-decoration:none}
nav.main a.on{background:var(--blue);color:#fff}
.hero{background:linear-gradient(135deg,var(--navy) 0%,var(--navy2) 55%,#0d3a5c 100%);color:#fff;padding:64px 0 56px}
.hero h1{font-size:38px;line-height:1.35;margin-bottom:14px}
.hero p.lead{font-size:17px;color:#c9dcf0;max-width:760px}
.hero .cta{margin-top:24px;display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;padding:11px 26px;border-radius:8px;font-weight:700;font-size:15px}
.btn-p{background:var(--blue);color:#fff}.btn-p:hover{background:var(--blue-d);text-decoration:none}
.btn-o{border:1px solid #7fa8cf;color:#e6f2fb}.btn-o:hover{background:rgba(255,255,255,.08);text-decoration:none}
.disclaimer{background:var(--amber);border-bottom:2px solid var(--amber-b);padding:12px 0;font-size:13.5px;color:#6b5510}
.disclaimer strong{color:#4a3c0a}
section.block{padding:44px 0}
h2.sec{font-size:26px;margin-bottom:6px}h2.sec::before{content:"";display:inline-block;width:6px;height:22px;background:var(--blue);margin-right:10px;vertical-align:-3px;border-radius:3px}
p.sub{color:var(--muted);margin-bottom:22px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px}
.card h3{font-size:17px;margin-bottom:8px}.card p{font-size:14px;color:var(--muted)}
.stat{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px;text-align:center}
.stat .n{font-size:34px;font-weight:800;color:var(--blue)} .stat .t{font-size:13px;color:var(--muted);margin-top:4px}
.prose{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:30px;font-size:15.5px}
.prose h3{margin:26px 0 10px;font-size:19px}.prose h3:first-child{margin-top:0}
.prose p{margin-bottom:14px}.prose ul,.prose ol{margin:0 0 14px 22px}.prose li{margin-bottom:8px}
table.spec{width:100%;border-collapse:collapse;font-size:14.5px;background:var(--card)}
table.spec th,table.spec td{border:1px solid var(--line);padding:10px 14px;text-align:left;vertical-align:top}
table.spec th{background:var(--navy);color:#fff;width:32%}
.tl{position:relative;margin:8px 0 8px 8px;padding-left:26px;border-left:3px solid var(--line)}
.tl .item{position:relative;margin-bottom:26px;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px 20px}
.tl .item::before{content:"";position:absolute;left:-35px;top:22px;width:12px;height:12px;border-radius:50%;background:var(--blue);border:3px solid #fff;box-shadow:0 0 0 2px var(--blue)}
.tl .date{font-size:13px;color:var(--blue-d);font-weight:700}
.tl h3{font-size:17px;margin:4px 0 8px}.tl p{font-size:14.5px;color:#444;margin-bottom:8px}
.src{font-size:12.5px;color:var(--muted)}.src a{margin-right:10px}
.members{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:10px;margin:14px 0}
.members span{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:9px 14px;font-size:14px}
.badge{display:inline-block;background:var(--blue);color:#fff;font-size:12px;font-weight:700;padding:3px 12px;border-radius:20px;margin-bottom:10px}
.note{background:#eef6fd;border-left:4px solid var(--blue);padding:12px 16px;font-size:14px;color:#33475f;border-radius:0 8px 8px 0;margin:16px 0}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px 20px;margin-bottom:14px}
.faq-item h3{font-size:16.5px;margin-bottom:8px}.faq-item p{font-size:14.5px;color:#444}
footer.site{background:var(--navy);color:#9fb3cc;padding:36px 0 26px;font-size:13.5px;margin-top:20px}
footer.site a{color:#cfe0f2}footer.site .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-bottom:20px}
footer.site h4{color:#fff;font-size:14px;margin-bottom:10px}
.copy{border-top:1px solid rgba(255,255,255,.12);padding-top:16px;font-size:12.5px}
@media(max-width:640px){.hero h1{font-size:28px}nav.main a{padding:7px 9px;font-size:13px}}