:root{--blue:#165dff;--ink:#192434;--muted:#607085;--line:#e2e8f0;--bg:#f5f7fb}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.65}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}button,input{font:inherit}button,a,input{touch-action:manipulation}a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--blue);outline-offset:3px}.shell{width:min(1440px,calc(100% - 64px));margin:auto}.site-header{background:#fff;border-bottom:1px solid var(--line)}.nav{display:flex;align-items:center;gap:48px;min-height:80px}.brand{font-size:26px;font-weight:700;color:var(--ink);flex-shrink:0}.brand img{width:135px;height:45px;object-fit:contain}.nav nav,footer nav{display:flex;flex-wrap:wrap;gap:28px}.nav nav a{color:var(--ink)}.nav-toggle{display:none}.test-banner{text-align:center;background:#fff8e5;color:#725728;padding:8px 20px;font-size:13px}main{min-height:65vh;padding-bottom:48px}.hero{padding:80px 0 64px;max-width:860px}h1{font-size:36px;line-height:1.3;letter-spacing:-.5px;margin:0 0 20px}h2{font-size:22px;line-height:1.5;margin:0 0 16px}h3{font-size:19px;margin:0 0 12px}p{color:var(--muted);margin:12px 0 22px;overflow-wrap:anywhere}.hero p{font-size:18px;max-width:640px}.button{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:4px;background:var(--blue);color:#fff;padding:11px 24px;font-weight:500;cursor:pointer;white-space:nowrap}.button:hover{background:#084fe2;text-decoration:none}.text-link{margin-left:20px}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin:24px 0 36px}.panel{display:block;background:#fff;border:1px solid var(--line);border-radius:6px;padding:28px;min-width:0;color:var(--ink)}a.panel:hover{text-decoration:none;border-color:#adc6ff}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin:28px 0 20px}.section-heading h2{margin:0}.page-heading{padding:40px 0 16px}.catalog{display:grid;grid-template-columns:260px minmax(0,1fr);gap:28px;align-items:start}.catalog aside{background:#fff;border:1px solid var(--line);border-radius:6px;max-height:calc(100dvh - 60px);overflow:auto}.catalog details summary{font-weight:600;padding:16px 18px;cursor:pointer;overflow-wrap:anywhere}.catalog aside a{display:block;padding:11px 20px;margin:0 8px;border-radius:4px;color:var(--ink);overflow-wrap:anywhere}.catalog aside a.selected{background:#eaf1ff;color:var(--blue)}.product-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.product{display:flex;flex-direction:column;min-height:210px}.product h3{overflow-wrap:anywhere}.product p{flex:1}.product-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.product-bottom strong{font-size:25px;color:var(--blue)}small,.muted{font-size:13px;color:var(--muted);font-weight:400}.article-row{display:block;padding:18px 0;border-bottom:1px solid var(--line)}.article-row h2{font-size:20px;margin:0}.article-row p{margin-bottom:0}.reading{max-width:960px;margin:24px auto;overflow-wrap:anywhere}.article-body{font-size:16px;line-height:1.9}.article-body img,.article-body video{max-width:100%;height:auto}.article-body table{display:block;max-width:100%;overflow:auto}.article-body pre{overflow:auto;padding:16px;background:var(--bg)}.breadcrumbs{padding:24px 0;color:var(--muted)}.search{display:flex;gap:12px;max-width:600px;margin-top:8px}input{min-width:0;width:100%;border:1px solid #b8c5d6;background:#fff;color:var(--ink);border-radius:4px;padding:12px}.pagination{display:flex;gap:24px;justify-content:center;padding:24px}dl>div{display:flex;justify-content:space-between;padding:12px;border-bottom:1px solid var(--line)}footer{background:#fff;border-top:1px solid var(--line);padding:32px 0}footer nav{margin:16px 0}footer a{color:var(--muted)}@media(max-width:1000px){.shell{width:calc(100% - 40px)}.nav{gap:20px}.nav nav{gap:16px}.catalog{grid-template-columns:220px minmax(0,1fr);gap:18px}.product-grid{grid-template-columns:1fr}}@media(max-width:680px){.shell{width:calc(100% - 32px)}.nav{justify-content:space-between;flex-wrap:wrap;min-height:68px;padding:10px 0;gap:10px}.nav-toggle{display:block;background:#fff;border:1px solid var(--line);padding:8px 12px;border-radius:4px}.nav nav{width:100%;display:none;padding:16px 0}.nav nav.is-open{display:flex}.hero{padding:48px 0 32px}h1{font-size:28px}.grid,.catalog,.product-grid{grid-template-columns:1fr}.catalog aside{max-height:240px}.catalog aside a{padding:10px 12px}.panel{padding:20px}.page-heading{padding-top:28px}.product-bottom .button{padding:10px 18px}.text-link{display:inline-block;margin-top:16px}.article-body{font-size:15px}footer nav{gap:16px}}

[hidden]{display:none!important}.api-operation{border-top:1px solid var(--line);padding:20px 0}.api-operation summary{cursor:pointer;font-weight:500;overflow-wrap:anywhere}.api-operation table{width:100%;border-collapse:collapse;font-size:14px}.api-operation th,.api-operation td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--line)}.table-scroll{max-width:100%;overflow:auto}.api-operation code{overflow-wrap:anywhere}
.module-hero{display:flex;align-items:center;justify-content:space-between;gap:40px;padding:48px 0}.module-hero>div{min-width:0;max-width:900px}.module-hero>img{max-width:38%;max-height:280px;object-fit:contain}.module-card{display:flex;flex-direction:column;min-width:0}.module-card-image{width:100%;height:190px;object-fit:cover;border-radius:6px;margin-bottom:18px}.module-category{color:#667085;font-size:12px;display:block;margin-bottom:12px}.module-status{margin-top:auto;font-size:12px}.module-detail-image{display:block;max-width:100%;max-height:440px;margin:24px auto;object-fit:contain}.contact-panel{margin-top:28px}.contact-card{display:flex;align-items:center;gap:16px;border:1px solid #e3e8f1;border-radius:8px;padding:20px;color:#344054}.contact-card img{width:32px;height:32px}.contact-card span{display:grid}.contact-card small{color:#667085}.error-page{margin-top:8vh;padding:60px}.error-number{font-size:76px;line-height:1;color:#165dff22;font-weight:700;display:block;margin-bottom:20px}.faq{border-bottom:1px solid #e3e8f1;padding:18px 0}.faq summary{cursor:pointer;font-weight:600}.article-body img{max-width:100%;height:auto}.article-body table{max-width:100%;border-collapse:collapse}.article-body td,.article-body th{border:1px solid #e3e8f1;padding:10px}.article-body pre{max-width:100%;overflow:auto}.article-body a{overflow-wrap:anywhere}@media(max-width:700px){.module-hero{padding:32px 0;display:block}.module-hero>img{max-width:100%;margin-top:22px}.error-page{padding:32px 22px}.contact-card{padding:16px}}
.youxia-language-control{display:inline-flex;align-items:center;gap:6px;margin-left:auto;color:#667085;flex-shrink:0}.youxia-language-control svg{width:17px;height:17px}.youxia-language-control select{border:1px solid #e3e8f1;border-radius:5px;background:#fff;color:#475467;padding:6px;font-size:12px;max-width:120px}@media(max-width:700px){.youxia-language-control select{max-width:90px}.nav>.youxia-language-control{margin-left:auto}}

@media(min-width:681px) and (max-width:1099px){.site-header .nav{position:relative;min-height:68px;gap:18px}.site-header .nav-toggle{display:block;margin-left:auto;background:#fff;border:1px solid #e3e8f1;padding:8px 12px;border-radius:5px}.site-header #site-nav{display:none;position:absolute;top:68px;left:0;right:0;z-index:20;background:#fff;padding:24px;border:1px solid #e3e8f1;box-shadow:0 12px 25px #12224910}.site-header #site-nav.is-open{display:flex}.site-header .youxia-language-control{margin-left:0}.site-header .nav .brand{margin-right:auto}}

/* 内页采用宽内容区，阅读正文保留舒适行长。 */
.shell{width:calc(100% - 64px);max-width:1560px}.reading{width:100%;max-width:1200px}.reading.panel{padding:36px 40px}.page-heading h1{font-size:32px;line-height:1.4;margin-bottom:14px}.content-tabs,.content-categories{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.content-tabs{border-bottom:1px solid var(--line);margin:24px 0 0;gap:28px}.content-tabs a{padding:13px 0;color:var(--muted);border-bottom:2px solid transparent}.content-tabs a[aria-current=page]{border-color:var(--blue);color:var(--blue);font-weight:600}.content-categories{margin:0 0 20px}.content-categories a{padding:7px 14px;background:#f6f8fb;border-radius:4px;color:#53647a;font-size:13px}.content-categories a[aria-current=page]{background:#edf3ff;color:var(--blue)}.article-row{padding:24px 0}.article-row h2{font-size:20px;line-height:1.6}.article-row time{display:block;color:var(--muted);font-size:12px;margin-top:10px}.article-row:last-of-type{border-bottom:0}.article-body{line-height:1.95}.search{max-width:720px}.search .button{flex-shrink:0;min-height:42px;white-space:nowrap}.search input{min-height:42px}.module-card .button{align-self:flex-start}.module-hero>div{max-width:1000px}main.shell{padding-bottom:48px}
@media(max-width:1100px){.shell{width:calc(100% - 40px)}.reading.panel{padding:28px}.page-heading h1{font-size:28px}}
@media(max-width:680px){.shell{width:calc(100% - 32px)}.reading.panel{padding:22px 20px}.page-heading h1{font-size:26px}.article-row h2{font-size:18px}.content-tabs{gap:24px}.search{gap:8px}.search .button{padding:10px 18px}}