:root{--ink:#142c50;--blue:#205bd8;--muted:#61728a;--line:#dbe5f2;--paper:#f5f8fd;--soft:#eaf1ff}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.8 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}a{color:var(--blue);text-underline-offset:4px}a:hover{color:#153e99}a:focus-visible,input:focus-visible{outline:3px solid #497ff0;outline-offset:5px}[hidden]{display:none!important}.skip{position:absolute;top:-80px;left:16px;background:white;padding:12px;z-index:10}.skip:focus{top:10px}.site-header{border-bottom:1px solid var(--line);background:rgba(255,255,255,.85)}.header-inner{max-width:1140px;margin:auto;padding:22px 30px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-weight:700;color:var(--ink)}.brand-mark{background:var(--blue);color:white;border-radius:11px;font:700 24px/42px Georgia,serif;text-align:center;width:42px;height:42px}nav{display:flex;gap:30px}nav a{text-decoration:none;color:var(--muted);font-size:14px}nav a[aria-current]{color:var(--blue);font-weight:700}.site-main{max-width:1140px;margin:auto;padding:0 30px}.hero{display:grid;grid-template-columns:1.2fr 1fr;align-items:center;min-height:450px;padding:60px 0 65px;gap:30px}.eyebrow{font-size:11px;font-weight:700;letter-spacing:2.6px;color:var(--blue);margin:0 0 18px}.hero h1{font-size:clamp(34px,4.3vw,55px);line-height:1.45;letter-spacing:-1.8px;margin:0 0 20px}.hero h1 span{color:var(--blue)}.hero-description{color:var(--muted);margin:0 0 27px}.button{display:inline-flex;gap:36px;background:var(--blue);color:white;padding:11px 23px;border-radius:7px;text-decoration:none;font-size:14px}.button:hover{background:#1745a6;color:white}.hero-art{position:relative;height:310px;overflow:hidden;background:radial-gradient(ellipse,#dde9ff 0%,transparent 68%);border-radius:50%}.orb{position:absolute;left:28%;top:20%;width:180px;height:180px;background:radial-gradient(circle at 30% 25%,#b3d7ff,#4b89ee 47%,#194cae 85%);border-radius:50%;box-shadow:22px 30px 50px #adc7ed80}.orbit{position:absolute;border:1px solid #80a8e0;border-radius:50%;z-index:1;left:12%;top:23%;width:80%;height:53%;transform:rotate(-27deg)}.orbit-two{transform:rotate(40deg);height:62%;top:18%;border-color:#b7cef0}.art-label{position:absolute;bottom:4px;left:20%;font:10px/1.8 monospace;letter-spacing:3px;color:#5e7da7}.spark{position:absolute;right:13%;top:13%;color:var(--blue);font-size:35px}.notes-section{padding-bottom:70px}.section-heading{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:32px;gap:20px}.section-heading .eyebrow{margin-bottom:4px}.section-heading h2{font-size:25px;margin:0}.section-heading>a{font-size:13px;text-decoration:none}.count{font-size:12px;color:var(--muted);background:#e8eef8;border-radius:20px;padding:4px 10px;margin-left:12px;vertical-align:middle}.search-bar{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin:25px 0}.search-bar label{font-size:13px;color:var(--muted)}.search-bar input{font:inherit;font-size:14px;max-width:100%;width:320px;background:white;border:1px solid var(--line);border-radius:7px;padding:10px 14px;color:var(--ink)}#search-status{font-size:12px;color:var(--muted)}.post-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.post-card{display:flex;flex-direction:column;padding:28px 30px;background:white;border:1px solid var(--line);border-radius:12px;transition:border-color .2s,transform .2s}.post-card:hover{border-color:#88adf1;transform:translateY(-3px)}.card-top{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:12px}.card-top span{color:var(--blue)}.post-card h3{font-size:22px;line-height:1.5;margin:18px 0 12px}.post-card h3 a{color:var(--ink);text-decoration:none}.post-card>p{font-size:14px;color:var(--muted);margin:0 0 24px;overflow-wrap:anywhere}.read-link{font-size:13px;margin-top:auto;text-decoration:none}.site-footer{max-width:1080px;margin:0 auto;padding:25px 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:12px}.site-footer a{text-decoration:none}.reading-wrap{max-width:800px;margin:40px auto 65px}.back-link{font-size:13px;text-decoration:none}.reading{background:white;border:1px solid var(--line);border-radius:14px;padding:45px 50px;margin-top:25px}.post-header{border-bottom:1px solid var(--line);padding-bottom:28px;margin-bottom:30px}.post-header h1{font-size:clamp(28px,4vw,38px);line-height:1.45;margin:0 0 16px;overflow-wrap:anywhere}.meta{display:flex;flex-wrap:wrap;gap:14px;font-size:12px;color:var(--muted)}.tag{background:var(--soft);padding:1px 9px;border-radius:4px;text-decoration:none}.prose{line-height:1.95;overflow-wrap:anywhere}.prose h2{margin-top:35px;font-size:24px}.prose h3{font-size:20px}.prose img{display:block;max-width:100%;height:auto;border-radius:8px;margin:24px auto}.prose blockquote{border-left:3px solid var(--blue);background:var(--soft);margin:25px 0;padding:1px 22px;color:#42628c}.prose pre{overflow-x:auto;padding:18px;background:#eef3fa;border-radius:8px;line-height:1.6}.prose code{font-family:Consolas,monospace;font-size:.9em;background:#eef3fa;padding:2px 5px;border-radius:3px}.prose pre code{padding:0}.prose table{display:block;overflow:auto;border-collapse:collapse}.prose td,.prose th{border:1px solid var(--line);padding:8px 12px}.post-navigation{display:flex;justify-content:space-between;gap:20px;margin-top:25px;font-size:13px}.page-heading{margin:60px 0 30px}.page-heading h1{font-size:36px;margin:0 0 10px}.muted{color:var(--muted)}.archive-group{margin:32px 0}.archive-list{list-style:none;padding:0}.archive-list li{display:flex;gap:24px;align-items:baseline;border-bottom:1px solid var(--line);padding:15px 0}.archive-list time{font-size:13px;color:var(--muted);flex-shrink:0}.archive-list a{text-decoration:none}.page-content{max-width:800px;margin:0 auto 70px}.category-links{display:flex;flex-wrap:wrap;gap:12px}.empty-state{padding:45px;text-align:center;color:var(--muted)}
@media(max-width:700px){.header-inner{padding:16px 20px;flex-wrap:wrap;gap:15px}nav{gap:25px}.site-main{padding:0 20px}.hero{grid-template-columns:1fr;min-height:0;padding:45px 0;gap:12px}.hero-art{display:none}.hero h1{letter-spacing:-1px}.post-grid{grid-template-columns:1fr}.post-card{padding:24px}.reading{padding:28px 22px}.reading-wrap{margin-top:25px}.site-footer{margin:0 20px;flex-wrap:wrap}.archive-list li{gap:14px}.post-navigation{flex-direction:column}.page-heading{margin-top:40px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.post-card{transition:none}.post-card:hover{transform:none}}