.article-page{background:#f5f7fb}.article-page .site-header{position:fixed}.article-page .site-header nav>a.active{color:inherit;opacity:1}.article-page main{padding-top:80px}.article-hero{position:relative;overflow:hidden;padding:112px max(24px,calc((100vw - var(--max))/2)) 74px;color:#fff;background:radial-gradient(circle at 78% 22%,rgba(67,129,244,.88),transparent 34%),linear-gradient(135deg,#071b3d,#13265f 58%,#5c5a91)}.article-hero:before{content:"";position:absolute;inset:0;background-image:radial-gradient(#fff 1px,transparent 1px);background-size:86px 86px;opacity:.12}.article-hero>*{position:relative;z-index:1}.article-kicker{display:inline-flex;align-items:center;gap:8px;margin-bottom:20px;padding:7px 12px;border:1px solid #ffffff33;border-radius:999px;color:#d7e4ff;font-size:10px;font-weight:800;letter-spacing:.16em}.article-hero h1{max-width:800px;margin:0;font-size:clamp(42px,5vw,72px);line-height:1.08;letter-spacing:-.055em}.article-hero h1 strong{color:#ffd166}.article-hero p{max-width:660px;margin:24px 0 0;color:#c4d1e8;font-size:15px;line-height:1.9}.article-hero-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:30px}.article-hero-meta span{padding:8px 12px;border:1px solid #ffffff24;border-radius:999px;background:#ffffff12;color:#eef4ff;font-size:11px}.article-shell{width:min(calc(100% - 48px),var(--max));margin:auto;padding:72px 0 100px}.article-toolbar{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}.article-toolbar h2{margin:10px 0 0;font-size:clamp(30px,3.5vw,44px);letter-spacing:-.04em}.article-toolbar p{max-width:460px;margin:0;color:var(--muted);font-size:12px;line-height:1.8}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px;align-items:start}.article-list{display:grid;gap:16px}.article-item{display:grid;grid-template-columns:180px minmax(0,1fr);overflow:hidden;border:1px solid #e2e7ef;border-radius:22px;background:#fff;box-shadow:0 8px 28px #1127470a;transition:.25s}.article-item:hover{transform:translateY(-3px);box-shadow:0 18px 45px #10284d1b}.article-thumb{position:relative;min-height:100%;padding:20px;color:#fff;background:linear-gradient(135deg,#163c8f,#357df2)}.article-item:nth-child(2) .article-thumb{background:linear-gradient(135deg,#4b3a86,#8a7bd0)}.article-item:nth-child(3) .article-thumb{background:linear-gradient(135deg,#0c6975,#36aaa8)}.article-item:nth-child(4) .article-thumb{background:linear-gradient(135deg,#9d545e,#d88d88)}.article-thumb.placeholder:after{content:"✦";position:absolute;right:18px;bottom:2px;color:#ffffff2b;font-size:74px}.article-thumb small{position:relative;z-index:1;font-size:9px;font-weight:800;letter-spacing:.16em;opacity:.8}.article-thumb strong{position:relative;z-index:1;display:block;margin-top:34px;font-size:18px;line-height:1.35}.article-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.article-thumb img+small,.article-thumb img+small+strong{text-shadow:0 8px 24px #061733cc}.article-content{display:flex;flex:1;flex-direction:column;padding:24px 26px}.article-meta{display:flex;gap:8px;flex-wrap:wrap;color:#8a96a8;font-size:10px}.article-meta span{padding:4px 8px;border-radius:6px;background:#f0f4fa}.article-content h3{margin:14px 0 9px;font-size:22px;line-height:1.42}.article-content p{margin:0 0 18px;color:#6d7a90;font-size:13px;line-height:1.8}.article-link{display:inline-flex;align-items:center;gap:8px;align-self:flex-start;margin-top:auto;padding-top:14px;border-top:1px solid #edf0f4;color:#174694;font-size:12px;font-weight:800}.article-aside{position:sticky;top:104px;display:grid;gap:16px}.aside-card{padding:24px;border:1px solid #e2e7ef;border-radius:20px;background:#fff;box-shadow:0 8px 28px #1127470a}.aside-card h3{margin:0 0 12px;font-size:18px}.aside-card p,.aside-card li{color:#748096;font-size:12px;line-height:1.8}.aside-card ul{margin:0;padding-left:18px}.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}.tag-cloud a{padding:7px 10px;border-radius:999px;background:#eef4ff;color:#174694;font-size:11px}.article-detail{width:min(calc(100% - 48px),980px);margin:auto;padding:64px 0 96px}.breadcrumb{margin-bottom:24px;color:#7a879a;font-size:12px}.breadcrumb a{color:#174694}.detail-card{overflow:hidden;border:1px solid #e2e7ef;border-radius:24px;background:#fff;box-shadow:0 12px 36px #10284d12}.detail-cover{min-height:300px;padding:42px;color:#fff;background:linear-gradient(135deg,#173e91,#307cf4)}.detail-cover h1{max-width:760px;margin:18px 0 0;font-size:clamp(34px,4.5vw,58px);line-height:1.15;letter-spacing:-.045em}.detail-content{padding:42px clamp(24px,5vw,72px)}.detail-content .lead{color:#526078;font-size:17px;line-height:1.9}.detail-content h2{margin:34px 0 12px;font-size:26px}.detail-content p,.detail-content li{color:#53627a;font-size:15px;line-height:2}.detail-content blockquote{margin:28px 0;padding:20px 24px;border-left:4px solid var(--bright);border-radius:12px;background:#f4f7fc;color:#2c3e61}.seo-note{margin-top:30px;padding:18px;border-radius:14px;background:#fff7e8;color:#7a5300;font-size:12px;line-height:1.8}@media(max-width:900px){.article-page main{padding-top:68px}.article-hero{padding:86px 24px 58px}.article-shell,.article-detail{width:calc(100% - 40px)}.article-layout{grid-template-columns:1fr}.article-aside{position:static;grid-template-columns:1fr 1fr}.article-toolbar{display:block}.article-toolbar p{margin-top:12px}.detail-cover{min-height:240px}}@media(max-width:560px){.article-hero{padding:72px 20px 48px}.article-shell,.article-detail{width:calc(100% - 24px);padding-block:52px}.article-item{grid-template-columns:1fr}.article-thumb{min-height:150px}.article-aside{grid-template-columns:1fr}.detail-content{padding:28px 20px}.detail-cover{padding:28px;min-height:220px}.article-hero h1{font-size:40px}}

/* Site article API states and controls */
.article-tabs{display:flex;gap:10px;flex-wrap:wrap;margin:-4px 0 26px}.article-tabs button{padding:9px 14px;border:1px solid #dce3ed;border-radius:999px;background:#fff;color:#607089;font:700 12px inherit;cursor:pointer;transition:.2s}.article-tabs button span{margin-left:5px;color:#9aa7b9}.article-tabs button:hover,.article-tabs button.active{border-color:#174694;background:#174694;color:#fff}.article-tabs button.active span{color:#cad9f4}.article-state{display:grid;min-height:260px;place-items:center;padding:32px;border:1px dashed #d7deea;border-radius:22px;background:#fff;color:#75839a;font-size:13px;text-align:center}.article-state-loading:before{content:"✦";margin-right:8px;color:#2871dc;animation:article-pulse 1.1s ease-in-out infinite}.article-state-error{border-color:#efcaca;background:#fffafa;color:#a33a3a}.article-link{border:0;background:transparent;cursor:pointer}.article-full-content{margin-top:20px;padding-top:20px;border-top:1px solid #edf0f4;color:#53627a;font-size:14px;line-height:1.9}.article-full-content img{max-width:100%;height:auto;border-radius:12px}.article-full-content h1,.article-full-content h2,.article-full-content h3{margin:24px 0 10px;color:#1b2c49}.article-pagination{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:28px}.article-pagination button{min-width:38px;height:38px;padding:0 12px;border:1px solid #dce3ed;border-radius:10px;background:#fff;color:#53627a;font:700 12px inherit;cursor:pointer}.article-pagination button:hover:not(:disabled),.article-pagination button.active{border-color:#174694;background:#174694;color:#fff}.article-pagination button:disabled{cursor:not-allowed;opacity:.4}.article-pagination>span{color:#9aa7b9}.article-thumb{border:0;text-align:left}.article-thumb.placeholder:after{z-index:0}@keyframes article-pulse{50%{opacity:.35;transform:scale(.8)}}@media(max-width:560px){.article-tabs{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px}.article-tabs button{flex:0 0 auto}.article-pagination{gap:5px}.article-pagination button{min-width:34px;padding:0 9px}}
.article-content h3 a{color:inherit}.article-detail-state{margin-top:24px}.detail-body img{max-width:100%;height:auto;border-radius:14px}

/* Article API metadata and loading-state visibility. */
.article-meta time,.article-meta .article-tag{padding:4px 8px;border-radius:6px;background:#f0f4fa}.article-tags{display:flex;gap:8px;flex-wrap:wrap}.article-detail-state[hidden],.detail-card[hidden]{display:none}.detail-cover .article-hero-meta{align-items:center}.detail-cover .article-published-at,.detail-cover .article-tags span{padding:8px 12px;border:1px solid #ffffff24;border-radius:999px;background:#ffffff12;color:#eef4ff;font-size:11px}
.detail-cover.has-cover{background-position:center;background-size:cover}

/* Markdown article typography */
.detail-body{overflow-wrap:anywhere}.detail-body>:first-child{margin-top:0}.detail-body>:last-child{margin-bottom:0}.detail-body h1,.detail-body h2,.detail-body h3,.detail-body h4,.detail-body h5,.detail-body h6{color:#1d2d49;line-height:1.4}.detail-body h3{margin:28px 0 10px;font-size:21px}.detail-body h4{margin:24px 0 8px;font-size:18px}.detail-body ul,.detail-body ol{margin:14px 0;padding-left:1.5em}.detail-body li+li{margin-top:6px}.detail-body a{color:#1765c1;text-decoration:underline;text-underline-offset:3px}.detail-body code{padding:.15em .4em;border-radius:5px;background:#edf2f8;color:#b13b5b;font:0.9em ui-monospace,SFMono-Regular,Consolas,monospace}.detail-body pre{overflow:auto;margin:24px 0;padding:20px;border-radius:12px;background:#172235}.detail-body pre code{padding:0;background:transparent;color:#e8eef8}.detail-body hr{margin:32px 0;border:0;border-top:1px solid #dfe5ee}.markdown-table-wrap{overflow-x:auto;margin:24px 0}.detail-body table{width:100%;border-collapse:collapse}.detail-body th,.detail-body td{padding:12px 14px;border:1px solid #dfe5ee;text-align:left}.detail-body th{background:#f3f6fa;color:#263a5d}.detail-body del{color:#8995a7}