:root{--bg:#f8fafc;--surface:#fff;--ink:#172437;--sub:#64748b;--line:#e3e9ef;--accent:#0b766d;--accent-pale:#e3f3ef;--max:1100px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font:16px/1.8 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg)}a{color:inherit;text-decoration:none}a:hover{color:var(--accent)}.wrap{max-width:var(--max);margin:auto;padding:0 26px}.topbar{background:rgba(255,255,255,.96);border-bottom:1px solid var(--line)}.topinner{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;gap:11px;align-items:center;font-size:19px;font-weight:800;letter-spacing:-.5px}.logo{height:35px;width:35px;background:var(--accent);color:white;border-radius:11px;display:grid;place-items:center;font-size:19px;font-weight:700}.nav{display:flex;gap:30px;font-size:14px;font-weight:600;color:#4b5d6e}.nav .active{color:var(--accent)}.intro{padding:75px 0 64px;display:grid;grid-template-columns:1.7fr 1fr;gap:45px;align-items:center}.eyebrow{color:var(--accent);font-size:13px;letter-spacing:2px;font-weight:800;text-transform:uppercase}.intro h1{font-size:clamp(34px,4.3vw,56px);line-height:1.21;letter-spacing:-1.8px;margin:18px 0 20px}.lead{color:var(--sub);font-size:17px;max-width:630px}.hero-art{min-height:270px;border:1px solid #c9e8e1;border-radius:26px;background:linear-gradient(135deg,#d7f3ea,#d9eaf7 60%,#e5ebf9);position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}.hero-art .orb{width:180px;height:180px;border-radius:50%;background:linear-gradient(140deg,#0b766d,#4aa7ab);box-shadow:25px 25px 0 #bce2da,-22px -17px 0 #eaf9f3}.hero-art .mark{position:absolute;font-size:75px;color:#fff;transform:rotate(-10deg)}.buttons{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;padding:11px 20px;border-radius:10px;font-weight:700;font-size:14px;border:1px solid var(--line);background:white}.btn.primary{color:white;background:var(--accent);border-color:var(--accent)}.btn.primary:hover{background:#095f58}.section{padding:14px 0 63px}.section-head{display:flex;justify-content:space-between;align-items:end;gap:15px;margin-bottom:22px}.section-head h2,.page-title{font-size:30px;line-height:1.3;letter-spacing:-.7px;margin:0}.section-head p{margin:6px 0 0;color:var(--sub)}.text-link{color:var(--accent);font-weight:700;font-size:14px}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:19px}.card{background:var(--surface);border:1px solid var(--line);border-radius:17px;padding:26px;display:flex;flex-direction:column;min-height:234px;transition:transform .18s,border-color .18s}.card:hover{transform:translateY(-3px);border-color:#94c6ba}.meta{font-size:12px;color:var(--sub);font-weight:650}.tag{color:var(--accent);background:var(--accent-pale);padding:4px 9px;border-radius:6px;margin-right:9px;font-size:12px;font-weight:750}.card h3{font-size:21px;line-height:1.42;margin:16px 0 9px;letter-spacing:-.3px}.card p{font-size:14px;line-height:1.75;color:var(--sub);margin:0 0 23px}.card .read{font-size:13px;font-weight:800;color:var(--accent);margin-top:auto}.strip{background:#e8f4f1;border-radius:18px;padding:30px 34px;display:flex;align-items:center;justify-content:space-between;gap:20px}.strip h3{margin:0 0 5px;font-size:21px}.strip p{margin:0;color:#586e71;font-size:14px}.page-hero{padding:66px 0 36px}.page-hero .lead{margin:14px 0}.footer{border-top:1px solid var(--line);padding:28px 0;margin-top:35px;color:var(--sub);font-size:13px}.footinner{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}.footinner nav{display:flex;gap:18px}.article-shell{max-width:800px;margin:0 auto;padding:65px 26px 20px}.crumb{font-size:13px;color:var(--sub);margin-bottom:20px}.crumb a{color:var(--accent)}.article-shell h1{font-size:clamp(32px,4.2vw,47px);letter-spacing:-1.1px;line-height:1.3;margin:14px 0 16px}.article-lead{font-size:18px;color:var(--sub)}.article-body{margin-top:46px;padding:4px 0 32px;border-top:1px solid var(--line)}.article-body h2{font-size:24px;line-height:1.4;margin:38px 0 13px}.article-body p{margin:0 0 19px;color:#33465a}.article-body code{background:#e9eff3;padding:2px 5px;border-radius:5px;font-size:.91em;overflow-wrap:anywhere}.article-back{border-top:1px solid var(--line);padding-top:23px;color:var(--accent);font-weight:750;font-size:14px}.aboutbox{background:white;border:1px solid var(--line);border-radius:18px;padding:34px;margin-bottom:23px}.aboutbox h2{margin-top:0}.aboutbox p{color:#526477}.small{font-size:13px;color:var(--sub)}.archive-year{color:var(--accent);font-size:19px;margin:28px 0 15px}.archive-list{background:white;border:1px solid var(--line);border-radius:16px;padding:7px 25px}.archive-row{padding:20px 0;border-bottom:1px solid var(--line);display:flex;gap:20px;justify-content:space-between;align-items:center}.archive-row:last-child{border:0}.archive-row strong{font-size:16px}.archive-row time{font-size:13px;color:var(--sub);white-space:nowrap}
@media(max-width:760px){.topinner{height:68px}.nav{gap:14px;font-size:13px}.intro{grid-template-columns:1fr;padding:50px 0 45px;gap:25px}.hero-art{min-height:175px}.hero-art .orb{width:110px;height:110px}.hero-art .mark{font-size:47px}.cards{grid-template-columns:1fr}.strip{display:block}.strip .btn{margin-top:18px}.page-hero{padding-top:45px}.article-shell{padding-top:42px}.archive-row{align-items:flex-start;flex-direction:column;gap:4px}.wrap{padding:0 20px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.card{transition:none}}