.knowledge-hero,.article-hero{padding:88px 0 80px;background:radial-gradient(700px 400px at 80% 0,rgba(44,127,189,.35),transparent 70%),linear-gradient(135deg,#015a5c,#0b3d66);color:#fff}.knowledge-hero h1,.article-hero h1{font-size:clamp(42px,5.5vw,72px);line-height:1.08;letter-spacing:-.06em;margin:14px 0 18px}.knowledge-hero>div>p:last-child{max-width:720px;color:#c4d9e7;font-size:17px;line-height:1.9}.knowledge-list-main{padding:92px 0 105px;display:grid;grid-template-columns:.72fr 1.28fr;gap:72px}.knowledge-intro h2{font-size:clamp(34px,3.5vw,50px);line-height:1.08;letter-spacing:-.055em;margin:14px 0 20px}.knowledge-intro>p:last-child{color:#61758a;line-height:1.9;max-width:330px}.knowledge-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.knowledge-card{min-height:274px;padding:25px;border:1px solid #d8e3ea;background:#fff;display:flex;flex-direction:column;transition:.22s}.knowledge-card:hover{transform:translateY(-5px);box-shadow:0 16px 35px rgba(10,36,61,.1);border-color:#b6cddb}.knowledge-card-top{display:flex;justify-content:space-between;align-items:center;color:#7a91a2;font-size:11px;font-weight:800;letter-spacing:.09em}.knowledge-card-top span{color:#017173}.knowledge-card h2{font-size:22px;line-height:1.38;margin:29px 0 12px;letter-spacing:-.025em}.knowledge-card h2 a{color:#015a5c}.knowledge-card>p{color:#62788b;font-size:14px;line-height:1.75;margin:0}.knowledge-read{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:22px;border-top:1px solid #e1eaf0;color:#017173;font-weight:800;font-size:14px}.knowledge-read b{color:#017173}.knowledge-pages{grid-column:2}.knowledge-contact{background:#092b48;padding:72px 0;color:#fff}.knowledge-contact .wrap,.article-next{display:flex;align-items:end;justify-content:space-between;gap:34px}.knowledge-contact p,.article-next p{margin:0;color:#ff968d;font-weight:900;font-size:11px;letter-spacing:.14em}.knowledge-contact h2,.article-next h2{font-size:clamp(32px,4.2vw,56px);line-height:1.1;letter-spacing:-.055em;margin:12px 0 0}.knowledge-contact .btn,.article-next .btn{background:#017173;color:#fff;padding:16px 21px;white-space:nowrap}.article-crumb{display:flex;flex-wrap:wrap;gap:9px;color:#b6cfdf;font-size:13px;margin-bottom:42px}.article-crumb a{color:#fff}.article-crumb span:last-child{opacity:.75}.article-hero h1{max-width:1000px}.article-lead{max-width:780px;color:#c4d9e7;font-size:18px;line-height:1.85;margin:0}.article-date{font-size:13px;color:#9db9cc;margin:25px 0 0}.knowledge-article-layout{padding:70px 0 100px;display:grid;grid-template-columns:250px minmax(0,780px);justify-content:space-between;gap:60px}.article-aside{position:sticky;top:95px;align-self:start}.article-toc{border-top:3px solid #017173;padding-top:16px}.article-toc>b{font-size:14px;color:#015a5c}.article-toc ol{list-style:none;margin:16px 0 28px;padding:0}.article-toc li{margin:0 0 11px}.article-toc a{font-size:13px;line-height:1.55;color:#60778a}.article-toc a:hover{color:#017173}.article-aside>a{display:block;border-top:1px solid #dce6ed;padding:14px 0;color:#017173;font-size:14px;font-weight:800}.article-note{padding:23px 25px;border-left:4px solid #017173;background:#f1f7fa;margin-bottom:42px}.article-note strong{color:#017173;font-size:12px;letter-spacing:.1em}.article-note p{margin:9px 0 0;line-height:1.8;color:#536b7e;font-size:14px}.article-body{font-size:16px;line-height:2;color:#263f53}.article-body h2{font-size:29px;line-height:1.3;letter-spacing:-.035em;color:#015a5c;margin:50px 0 16px;padding-top:4px}.article-body p{margin:0 0 20px}.article-body strong{color:#015a5c}.article-body a{color:#017173;text-decoration:underline}.article-next{margin-top:60px;padding:40px;background:#092b48;color:#fff}.article-next h2{font-size:32px}.article-next .btn{align-self:center}@media(max-width:900px){.knowledge-list-main{grid-template-columns:1fr;gap:34px;padding:62px 20px}.knowledge-intro>p:last-child{max-width:650px}.knowledge-pages{grid-column:auto}.knowledge-article-layout{grid-template-columns:1fr;padding:48px 20px}.article-aside{position:static;display:grid;grid-template-columns:1fr 1fr;gap:20px}.article-toc{grid-row:span 2}.article-next,.knowledge-contact .wrap{display:block}.article-next .btn,.knowledge-contact .btn{display:inline-block;margin-top:28px}.knowledge-hero,.article-hero{padding:62px 20px}}@media(max-width:600px){.knowledge-grid{grid-template-columns:1fr}.article-aside{display:block}.article-aside>a{display:inline-block;border:0;margin-right:20px}.article-body h2{font-size:25px}.knowledge-card{min-height:240px}}
/* Article reading polish: calm technical-document rhythm and a stable Chinese type scale. */
.knowledge-article-page{background:#fff;font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif}.article-hero{padding:64px 0 58px;background:linear-gradient(120deg,#082840,#0d4e79)}.article-hero h1{max-width:920px;font-size:clamp(34px,4.1vw,54px);letter-spacing:-.04em;line-height:1.25;margin:12px 0 16px}.article-crumb{margin-bottom:28px}.article-lead{max-width:760px;font-size:16px;line-height:1.85}.knowledge-article-layout{grid-template-columns:210px minmax(0,820px);gap:72px;padding:58px 0 96px;justify-content:center}.article-aside{top:110px}.article-toc{border-top-width:2px;padding-top:13px}.article-toc>b{font-size:13px}.article-toc a{font-size:13px;line-height:1.65}.article-aside>a{font-size:13px;padding:12px 0}.article-note{padding:18px 21px;margin-bottom:34px;border-left-width:3px}.article-note p{font-size:14px;line-height:1.75}.article-body{font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;font-size:17px;line-height:2.05;color:#344b5c;letter-spacing:.01em}.article-body>h2{font-size:25px;line-height:1.45;letter-spacing:-.02em;color:#082b45;margin:48px 0 18px;padding:0 0 12px;border-bottom:1px solid #dce6ed}.article-body>h3{font-size:19px;line-height:1.5;color:#082b45;margin:32px 0 14px}.article-body p{margin:0 0 21px}.article-body ul,.article-body ol{margin:0 0 23px;padding-left:1.5em}.article-body li{margin:8px 0}.article-body img{display:block;max-width:min(100%,680px)!important;height:auto!important;max-height:520px!important;object-fit:contain;margin:28px auto!important}.article-body table{width:100%!important;margin:26px 0;border-collapse:collapse;font-size:15px;line-height:1.7}.article-body th,.article-body td{padding:11px 13px;border:1px solid #d7e1e7;text-align:left;vertical-align:top}.article-body th{background:#f2f7fa;color:#082b45}.article-next{margin-top:54px;padding:34px 38px}.article-next h2{font-size:28px;letter-spacing:-.035em}@media(max-width:900px){.knowledge-article-layout{padding:42px 20px 72px}.article-hero{padding:50px 20px}.article-body{font-size:16px}}@media(max-width:600px){.article-body{font-size:16px;line-height:1.95}.article-body>h2{font-size:22px;margin-top:38px}.article-body img{max-height:360px!important}.article-next{padding:28px 22px}}
/* Increase secondary text one step; these are navigation aids, not fine print. */
.article-hero .section-eyebrow{font-size:13px}.article-crumb{font-size:14px}.article-date{font-size:14px}.article-toc>b{font-size:15px}.article-toc a,.article-aside>a{font-size:15px;line-height:1.65}.article-note strong{font-size:13px}.article-note p{font-size:15px}

/* Give the library introduction a useful second layer instead of blank space. */
.knowledge-quick-panel{margin-top:28px;padding:24px 24px 20px;border:1px solid #d6e2e9;border-top:3px solid #017173;background:#f5f9fb;max-width:350px}.knowledge-quick-panel>b{display:block;color:#092b48;font-size:17px;line-height:1.4}.knowledge-quick-panel ol{margin:17px 0 18px;padding:0;list-style:none;counter-reset:choice}.knowledge-quick-panel li{position:relative;padding:6px 0 6px 27px;color:#526c7e;font-size:14px;line-height:1.45}.knowledge-quick-panel li:before{counter-increment:choice;content:"0" counter(choice);position:absolute;left:0;color:#017173;font-size:11px;font-weight:800;letter-spacing:.04em}.knowledge-quick-panel div{padding-top:11px;border-top:1px solid #d9e5eb}.knowledge-quick-panel a{display:flex;justify-content:space-between;padding:7px 0;color:#017173;font-size:14px;font-weight:800}.knowledge-quick-panel a span{color:#017173}@media(max-width:900px){.knowledge-quick-panel{max-width:650px}}@media(max-width:600px){.knowledge-quick-panel{padding:20px}}

.knowledge-pages{display:flex;gap:8px;align-items:center;margin-top:25px}.knowledge-pages a,.knowledge-pages .active{display:inline-flex;min-width:36px;height:36px;padding:0 10px;align-items:center;justify-content:center;border:1px solid #d5e1e8;color:#017173;font-size:14px}.knowledge-pages .active,.knowledge-pages a:hover{background:#092b48;border-color:#092b48;color:#fff}