*{box-sizing:border-box;margin:0;padding:0}
:root{--fg:#000;--bg:#fff;--mute:#737373;--line:#e5e7eb;--mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;--sans:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
html{scroll-behavior:smooth}body{font-family:var(--sans);color:var(--fg);background:var(--bg);line-height:1.6}
a{color:inherit}.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
header{position:sticky;top:0;background:rgba(255,255,255,.92);backdrop-filter:blur(6px);border-bottom:1px solid #000;z-index:9}
nav{display:flex;justify-content:space-between;align-items:center;height:60px}
.logo{font-family:var(--mono);font-weight:700;letter-spacing:.08em;text-decoration:none}
nav ul{display:flex;gap:24px;list-style:none;font-family:var(--mono);font-size:13px;letter-spacing:.1em}
nav ul a{text-decoration:none}nav ul a:hover{text-decoration:underline}
.hero{padding:96px 0 72px;border-bottom:1px solid #000}
.kicker{font-family:var(--mono);font-size:13px;letter-spacing:.2em;color:var(--mute)}
h1{font-size:clamp(44px,9vw,104px);line-height:.95;font-weight:800;letter-spacing:-.03em;margin:18px 0 24px;text-transform:uppercase}
.lead{max-width:640px;font-size:18px}.lead-zh{max-width:640px;color:var(--mute);margin-top:8px}
.btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}
.btn{font-family:var(--mono);font-size:13px;letter-spacing:.1em;padding:12px 18px;border:1px solid #000;text-decoration:none;text-transform:uppercase}
.btn.primary{background:#000;color:#fff}.btn:hover{background:#000;color:#fff}
section{padding:72px 0;border-bottom:1px solid #000}
.sec-head{display:flex;align-items:baseline;gap:16px;margin-bottom:36px}
.sec-head h2{font-size:28px;letter-spacing:.04em;text-transform:uppercase}.sec-head span{font-family:var(--mono);color:var(--mute);font-size:13px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));border-top:1px solid #000;border-left:1px solid #000}
.card{border-right:1px solid #000;border-bottom:1px solid #000;padding:28px;display:flex;flex-direction:column;gap:10px;min-height:220px}
.card .no{font-family:var(--mono);font-size:12px;color:var(--mute)}
.card h3{font-size:20px}.card p{font-size:15px}.card .zh{color:var(--mute);font-size:14px}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto}.tags i{font-style:normal;font-family:var(--mono);font-size:11px;border:1px solid #000;padding:2px 8px}
.card a.more{font-family:var(--mono);font-size:12px;letter-spacing:.08em}
.research{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center}
.research .box{border:1px solid #000;padding:32px;background:#000;color:#fff}
.research .box a{display:inline-block;margin-top:18px;border:1px solid #fff;padding:10px 16px;text-decoration:none;font-family:var(--mono);font-size:13px}
.research .box a:hover{background:#fff;color:#000}
.contact dl{display:grid;grid-template-columns:160px 1fr;row-gap:14px;font-size:16px}
.contact dt{font-family:var(--mono);font-size:13px;letter-spacing:.12em;color:var(--mute)}
footer{padding:28px 0;font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:var(--mute)}
@media(max-width:720px){nav ul{gap:14px;font-size:11px}.hero{padding:64px 0 48px}.research{grid-template-columns:1fr}.contact dl{grid-template-columns:1fr;row-gap:4px}.contact dd{margin-bottom:12px}section{padding:52px 0}}