:root{--bg:#0f1115;--panel:#171a20;--panel-2:#1d2129;--text:#f4f6fa;--muted:#a9b0bd;--line:#303641;--blue:#5b7cff;--blue-soft:#bfcaff;--paper:#f3f1eb;--ink:#15171b}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75}a{color:inherit;text-decoration:none}a:focus-visible{outline:2px solid var(--blue);outline-offset:5px}
.article-header{position:sticky;top:0;z-index:20;height:68px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(20px,5vw,70px);background:rgba(15,17,21,.92);border-bottom:1px solid rgba(255,255,255,.08);backdrop-filter:blur(14px)}.article-header .brand{font-weight:850}.article-nav{display:flex;align-items:center;gap:24px;color:var(--muted);font-size:14px}.article-nav a:hover{color:var(--text)}
.article-shell{width:min(900px,calc(100% - 40px));margin:0 auto}.article-hero{padding:110px 0 68px;border-bottom:1px solid var(--line)}.article-meta,.section-label{color:var(--blue-soft);font-size:11px;font-weight:800;letter-spacing:.16em;text-transform:uppercase}.article-hero h1{margin:20px 0 24px;font-size:clamp(42px,7vw,76px);line-height:1.05;letter-spacing:-.055em}.article-dek{max-width:780px;margin:0;color:#c8cdd7;font-size:clamp(18px,2.2vw,23px);line-height:1.65}.article-info{display:flex;gap:18px;flex-wrap:wrap;margin-top:34px;color:#7f8896;font-size:13px}
.article-body{padding:72px 0 100px}.article-body h2{margin:70px 0 18px;font-size:clamp(28px,4vw,40px);line-height:1.25;letter-spacing:-.035em}.article-body h3{margin:36px 0 10px;font-size:21px}.article-body p,.article-body li{color:#c6cbd4;font-size:17px}.article-body strong{color:#fff}.article-body ul,.article-body ol{padding-left:24px}.article-body li+li{margin-top:10px}.thesis{margin:0 0 54px;padding:26px 28px;background:var(--paper);color:var(--ink);border-radius:14px;font-size:21px;font-weight:720;line-height:1.55}.thesis strong{color:var(--ink)}
.framework{display:grid;gap:12px;margin:28px 0}.framework-step{display:grid;grid-template-columns:70px 1fr;gap:20px;padding:22px;border:1px solid var(--line);border-radius:12px;background:var(--panel)}.framework-step>span{color:var(--blue-soft);font:700 12px/1.8 monospace}.framework-step h3{margin:0 0 6px;font-size:19px}.framework-step p{margin:0;font-size:15px;color:var(--muted)}.callout{margin:38px 0;padding:24px 26px;border-left:3px solid var(--blue);background:var(--panel)}.callout p{margin:0}.boundary{margin-top:70px;padding-top:28px;border-top:1px solid var(--line);color:#838b98;font-size:14px}.next-reading{padding:36px 0 70px;border-top:1px solid var(--line)}.next-reading a{color:#dbe1ff;font-weight:750}.article-footer{min-height:90px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;color:#737c89;font-size:13px}
.hub{width:min(1120px,calc(100% - 40px));margin:0 auto;padding:100px 0}.hub-hero{max-width:820px;margin-bottom:64px}.hub-hero h1{font-size:clamp(52px,8vw,94px);line-height:.98;letter-spacing:-.065em;margin:18px 0 24px}.hub-hero p{color:var(--muted);font-size:20px}.article-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.article-card{min-height:360px;padding:30px;background:var(--panel);border:1px solid var(--line);border-radius:18px;display:flex;flex-direction:column}.article-card:hover{border-color:#56627a;transform:translateY(-2px)}.article-card .card-type{color:var(--blue-soft);font-size:10px;font-weight:800;letter-spacing:.14em}.article-card h2{font-size:29px;line-height:1.3;letter-spacing:-.035em;margin:24px 0 14px}.article-card p{color:var(--muted);margin:0}.article-card .card-link{margin-top:auto;padding-top:28px;color:#dbe1ff;font-weight:750}.article-card.wide{grid-column:1/-1;min-height:300px;background:linear-gradient(135deg,#171a20 0%,#1b2130 100%)}.archive{margin-top:90px;padding-top:42px;border-top:1px solid var(--line)}.archive h2{font-size:34px}.archive-list{display:grid;grid-template-columns:1fr 1fr;gap:0 30px}.archive-list a{padding:16px 0;border-bottom:1px solid var(--line);color:#c7ccd5}.archive-list a:hover{color:#fff}
.case-shell{width:min(1060px,calc(100% - 40px));margin:0 auto}.case-hero{padding:105px 0 66px;border-bottom:1px solid var(--line)}.case-hero h1{max-width:950px;margin:18px 0 24px;font-size:clamp(48px,7vw,82px);line-height:1.02;letter-spacing:-.06em}.case-hero .article-dek{max-width:850px}.case-section{padding:70px 0;border-bottom:1px solid var(--line)}.case-section h2{margin:8px 0 28px;font-size:clamp(32px,4vw,48px);letter-spacing:-.04em}.case-section>p{max-width:850px;color:#c6cbd4;font-size:17px}.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.case-card{padding:24px;background:var(--panel);border:1px solid var(--line);border-radius:14px}.case-card span{color:var(--blue-soft);font:700 11px/1 monospace;letter-spacing:.12em}.case-card h3{margin:20px 0 8px;font-size:21px}.case-card p{margin:0;color:var(--muted);font-size:15px}.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:26px}.metric{padding:22px;border-top:3px solid var(--blue);background:var(--panel)}.metric h3{margin:0 0 8px}.metric p{margin:0;color:var(--muted);font-size:15px}.case-chain{display:grid;gap:0;margin-top:30px}.chain-step{display:grid;grid-template-columns:150px 1fr;gap:24px;padding:22px 0;border-top:1px solid var(--line)}.chain-step strong{color:var(--blue-soft);font-size:12px;letter-spacing:.1em}.chain-step p{margin:0;color:#c7ccd5}.case-table{width:100%;border-collapse:collapse;margin-top:28px}.case-table th,.case-table td{padding:18px 16px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}.case-table th{color:var(--blue-soft);font-size:12px;letter-spacing:.08em}.case-table td{color:#c7ccd5}.migration{display:grid;grid-template-columns:1fr 50px 1fr;gap:20px;align-items:center;margin-top:30px}.migration-side{padding:28px;background:var(--panel);border:1px solid var(--line);border-radius:14px}.migration-side h3{margin:0 0 16px}.migration-side p{color:var(--muted)}.migration-arrow{text-align:center;color:var(--blue);font-size:28px}.appendix{padding:34px;background:var(--paper);color:var(--ink);border-radius:16px}.appendix h3{margin-top:0}.appendix p{color:#515866}.appendix a{font-weight:800;color:#3456db}
@media(max-width:760px){.article-nav a:first-child{display:none}.article-hero{padding-top:78px}.article-grid,.archive-list{grid-template-columns:1fr}.article-card{min-height:320px}.framework-step{grid-template-columns:1fr;gap:8px}.article-footer{align-items:flex-start;flex-direction:column;justify-content:center;gap:5px}}
@media(max-width:760px){.case-grid,.metric-grid{grid-template-columns:1fr}.chain-step{grid-template-columns:1fr;gap:8px}.migration{grid-template-columns:1fr}.migration-arrow{transform:rotate(90deg)}.case-table{font-size:14px}.case-table th,.case-table td{padding:13px 9px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.article-card{transform:none!important}}