.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;color:inherit;box-shadow:0 8px 28px #1127470a;cursor:pointer;text-decoration:none;transform:translateZ(0);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}.article-item:hover{transform:translateY(-3px);border-color:#cfd9e9;box-shadow:0 18px 45px #10284d1b}.article-item:active{transform:translateY(-1px) scale(.995)}.article-item:focus-visible{outline:3px solid #2871dc;outline-offset:3px}.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,.tag-cloud span{padding:7px 10px;border-radius:999px;background:#eef4ff;color:#174694;font-size:11px}.tag-cloud span{cursor:default}.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:"";display:inline-block;width:22px;height:22px;margin-right:10px;border:3px solid rgba(40,113,220,.16);border-top-color:#2871dc;border-radius:50%;box-sizing:border-box;animation:api-spinner-rotate .72s linear infinite;will-change:transform;vertical-align:middle}.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 a,.article-pagination .disabled{display:inline-flex;min-width:38px;height:38px;align-items:center;justify-content:center;padding:0 12px;border:1px solid #dce3ed;border-radius:10px;background:#fff;color:#53627a;font:700 12px inherit;text-decoration:none}.article-pagination a:hover,.article-pagination a.active{border-color:#174694;background:#174694;color:#fff}.article-pagination .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 a,.article-pagination .disabled{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}

/* ===== Article detail SEO redesign · 2026-08-31 ===== */
.article-detail-page{background:linear-gradient(180deg,#f7f9fc 0,#f4f7fb 44%,#f8fafc 100%)}
.article-detail-page .article-detail{width:min(calc(100% - 48px),1180px);padding:48px 0 104px}
.article-detail-page .breadcrumb{display:flex;align-items:center;gap:9px;margin:0 0 18px;color:#8793a6;font-size:12px;line-height:1.5}
.article-detail-page .breadcrumb a{color:#395a8b;font-weight:700;text-decoration:none}
.article-detail-page .breadcrumb a:hover{color:#174694}
.article-brand-strip{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:15px;margin-bottom:22px;padding:15px 18px;border:1px solid #dbe5f4;border-radius:18px;background:linear-gradient(135deg,#f8fbff,#eef5ff);box-shadow:0 10px 28px #18345f0a}
.article-brand-strip-mark{display:grid;width:38px;height:38px;place-items:center;border-radius:50%;background:#174694;color:#fff;box-shadow:0 8px 20px #1746942c;font-size:15px}
.article-brand-strip-copy strong{display:block;color:#17315c;font-size:13px;letter-spacing:.02em}
.article-brand-strip-copy p{margin:3px 0 0;color:#73829a;font-size:11px;line-height:1.65}
.article-brand-strip>a{display:inline-flex;align-items:center;gap:7px;padding:9px 12px;border:1px solid #cfdbed;border-radius:999px;background:#fff;color:#174694;font-size:11px;font-weight:800;text-decoration:none;white-space:nowrap;transition:.2s ease}
.article-brand-strip>a:hover{border-color:#174694;transform:translateY(-1px);box-shadow:0 8px 18px #173e9117}
.article-detail-layout{display:grid;grid-template-columns:minmax(0,1fr) 286px;gap:24px;align-items:start}
.article-detail-page .detail-card{border:1px solid #dfe6f0;border-radius:26px;box-shadow:0 20px 58px #17345d12}
.article-detail-page .detail-cover{position:relative;isolation:isolate;min-height:320px;padding:48px 50px 42px;background:radial-gradient(circle at 82% 18%,#ffffff2b 0 9%,transparent 34%),linear-gradient(135deg,#102d69,#174694 48%,#397cf1);background-position:center;background-size:cover}
.article-detail-page .detail-cover:after{content:"";position:absolute;z-index:-1;inset:0;background:linear-gradient(180deg,transparent 20%,#061a3a30 100%);pointer-events:none}
.article-detail-page .detail-cover .article-kicker{margin:0 0 18px;border-color:#ffffff38;background:#ffffff0d;color:#e8f1ff}
.article-detail-page .detail-cover h1{max-width:760px;margin:0;color:#fff;font-size:clamp(34px,4.4vw,58px);font-weight:800;line-height:1.14;letter-spacing:-.035em;text-wrap:balance}
.article-detail-page .detail-cover .article-hero-meta{margin-top:24px}
.article-detail-page .detail-cover .article-published-at,.article-detail-page .detail-cover .article-meta-source,.article-detail-page .detail-cover .article-tags span{display:inline-flex;align-items:center;min-height:30px;padding:6px 10px;border:1px solid #ffffff28;border-radius:999px;background:#ffffff12;color:#eff5ff;font-size:10px;line-height:1.4;backdrop-filter:blur(8px)}
.article-detail-page .detail-cover .article-meta-source:before{content:"✦";margin-right:5px;color:#ffd166}
.article-source{margin:18px 0 0;color:#dbe9ff;font-size:11px;line-height:1.6}
.article-source a{color:#fff;font-weight:800;text-decoration:none}
.article-source a:hover{text-decoration:underline;text-underline-offset:3px}
.article-detail-page .detail-content{padding:44px clamp(28px,5vw,66px) 46px}
.article-detail-page .detail-content .lead{margin:0 0 34px;padding:0 0 28px;border-bottom:1px solid #e8edf4;color:#43546e;font-size:17px;font-weight:500;line-height:1.95}
.article-detail-page .detail-body{color:#465872;font-size:15px;line-height:2.02}
.article-detail-page .detail-body p,.article-detail-page .detail-body li{color:#4c5e77}
.article-detail-page .detail-body h2{position:relative;margin:42px 0 15px;padding-left:15px;color:#1a2f50;font-size:27px;line-height:1.4;letter-spacing:-.02em}
.article-detail-page .detail-body h2:before{content:"";position:absolute;left:0;top:.2em;width:4px;height:1.05em;border-radius:99px;background:linear-gradient(#2f7df2,#174694)}
.article-detail-page .detail-body h3{color:#213957}
.article-detail-page .detail-body blockquote{border-left-color:#397cf1;background:#f3f7fd;color:#415674}
.article-editor-note{display:grid;grid-template-columns:auto minmax(0,1fr);gap:16px;margin-top:46px;padding:22px 24px;border:1px solid #dbe6f5;border-radius:18px;background:linear-gradient(135deg,#f7faff,#eff5ff)}
.article-editor-note-icon{display:grid;width:38px;height:38px;place-items:center;border-radius:12px;background:#174694;color:#fff;font-size:14px}
.article-editor-note h2{margin:0 0 7px!important;padding:0!important;color:#18345d!important;font-size:16px!important;letter-spacing:0!important}
.article-editor-note h2:before{display:none!important}
.article-editor-note p{margin:0;color:#61718a!important;font-size:12px!important;line-height:1.85!important}
.article-service-links{display:grid;grid-template-columns:minmax(170px,1fr) repeat(3,auto);align-items:center;gap:10px;margin-top:18px;padding:17px 18px;border:1px solid #e1e7f0;border-radius:18px;background:#fbfcfe}
.article-service-links>div span{display:block;margin-bottom:3px;color:#8995a7;font-size:9px;font-weight:800;letter-spacing:.14em}
.article-service-links>div strong{color:#1a3156;font-size:13px}
.article-service-links>a{display:inline-flex;align-items:center;gap:6px;padding:9px 10px;border-radius:10px;color:#31527f;font-size:10px;font-weight:800;text-decoration:none;white-space:nowrap;transition:.2s}
.article-service-links>a:hover{background:#edf4ff;color:#174694}
.article-detail-aside{position:sticky;top:98px;display:grid;gap:14px}
.detail-aside-card{padding:22px;border:1px solid #dfe6f0;border-radius:20px;background:#fff;box-shadow:0 12px 34px #17345d0c}
.detail-aside-eyebrow{display:block;margin-bottom:9px;color:#8a98ab;font-size:8px;font-weight:900;letter-spacing:.16em}
.detail-aside-card h2{margin:0 0 10px;color:#193154;font-size:18px;line-height:1.3}
.detail-aside-card p,.detail-aside-card li{color:#6f7d91;font-size:11px;line-height:1.8}
.detail-brand-card{overflow:hidden;background:radial-gradient(circle at 100% 0,#ffffff1c,transparent 34%),linear-gradient(145deg,#102e6c,#174694 64%,#2b6cd5);color:#fff}
.detail-brand-card .detail-aside-eyebrow{color:#adc7ef}
.detail-brand-card h2{color:#fff;font-size:21px}
.detail-brand-card p{color:#d6e3f7}
.detail-aside-primary{display:flex;align-items:center;justify-content:space-between;margin-top:16px;padding:10px 12px;border:1px solid #ffffff2b;border-radius:12px;background:#ffffff12;color:#fff;font-size:10px;font-weight:800;text-decoration:none;transition:.2s}
.detail-aside-primary:hover{background:#ffffff1c;transform:translateY(-1px)}
.detail-aside-links{display:grid;gap:3px}
.detail-aside-links a{display:flex;align-items:center;justify-content:space-between;padding:10px 0;border-bottom:1px solid #edf1f6;color:#52647d;font-size:11px;font-weight:700;text-decoration:none}
.detail-aside-links a:last-child{border-bottom:0}
.detail-aside-links a:hover{color:#174694}
.detail-trust-card ul{margin:0;padding-left:17px}
.detail-trust-card li+li{margin-top:5px}
.article-detail-page footer .footer-brand strong{white-space:nowrap}
@media(max-width:980px){
  .article-detail-page .article-detail{width:min(calc(100% - 40px),920px)}
  .article-detail-layout{grid-template-columns:minmax(0,1fr) 250px;gap:18px}
  .article-detail-page .detail-cover{padding-inline:38px}
  .article-detail-page .detail-content{padding-inline:38px}
  .article-service-links{grid-template-columns:1fr 1fr 1fr}.article-service-links>div{grid-column:1/-1}
}
@media(max-width:820px){
  .article-detail-layout{grid-template-columns:1fr}
  .article-detail-aside{position:static;grid-template-columns:1fr 1fr}
  .detail-brand-card{grid-row:span 2}
}
@media(max-width:640px){
  .article-detail-page .article-detail{width:calc(100% - 24px);padding:30px 0 64px}
  .article-detail-page .breadcrumb{overflow:hidden;margin-bottom:14px;white-space:nowrap}.article-detail-page .breadcrumb span:last-child{overflow:hidden;text-overflow:ellipsis}
  .article-brand-strip{grid-template-columns:auto minmax(0,1fr);gap:11px;padding:13px 14px;border-radius:15px}.article-brand-strip>a{grid-column:1/-1;justify-content:center}.article-brand-strip-copy p{font-size:10px}
  .article-detail-page .detail-card{border-radius:20px}
  .article-detail-page .detail-cover{min-height:250px;padding:30px 24px 27px}.article-detail-page .detail-cover h1{font-size:34px}.article-detail-page .detail-cover .article-hero-meta{gap:7px;margin-top:20px}
  .article-detail-page .detail-content{padding:30px 20px 32px}.article-detail-page .detail-content .lead{margin-bottom:27px;padding-bottom:23px;font-size:15px}.article-detail-page .detail-body{font-size:14px}.article-detail-page .detail-body h2{margin-top:35px;font-size:23px}
  .article-editor-note{grid-template-columns:1fr;padding:19px}.article-editor-note-icon{width:34px;height:34px}
  .article-service-links{grid-template-columns:1fr;margin-top:14px}.article-service-links>div{grid-column:auto}.article-service-links>a{justify-content:space-between;border-top:1px solid #edf1f6;border-radius:0;padding:10px 0}
  .article-detail-aside{grid-template-columns:1fr}.detail-brand-card{grid-row:auto}
}