:root{color-scheme:light;--ink:#20242b;--muted:#596273;--line:#e5e9ef;--accent:#2463eb;--soft:#f5f8ff}
*{box-sizing:border-box}
body{margin:0;background:#fff;color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.8}
a{color:var(--accent);text-underline-offset:3px}
.site-header{min-height:68px;padding:12px max(22px,calc((100% - 1080px)/2));display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}
.site-header a,.site-footer a{text-decoration:none}.site-header nav{display:flex;flex-wrap:wrap;gap:22px;font-size:14px}.site-header nav a[aria-current="page"]{color:var(--accent);font-weight:700}.brand{display:inline-flex;align-items:center;gap:9px;font-size:20px;font-weight:750;color:var(--ink)}.brand img{display:block;width:34px;height:34px;object-fit:contain;flex:none}
.article{width:min(760px,calc(100% - 40px));margin:56px auto 72px}.eyebrow{margin:0 0 8px;color:var(--accent);font-size:14px;font-weight:700;letter-spacing:.04em}
h1{margin:0 0 20px;font-size:clamp(30px,5vw,42px);line-height:1.3;letter-spacing:-.02em}h2{margin:38px 0 10px;font-size:23px;line-height:1.45}p{margin:12px 0;color:#3c4553}.lead{font-size:19px;color:#475467;line-height:1.8}.notice{margin:34px 0;padding:16px 18px;background:var(--soft);border-left:3px solid var(--accent);color:#475467}.notice strong{color:var(--ink)}.back{margin-top:38px}.site-footer{display:flex;justify-content:center;flex-wrap:wrap;gap:22px;padding:22px;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
.download-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:22px 0}.download-card{border:1px solid var(--line);border-radius:14px;padding:20px;background:#fff}.download-platform-icon{display:block;width:56px;height:56px;margin:0 0 14px;object-fit:contain}.download-card h2{margin:0 0 8px;font-size:20px}.download-card p{margin:6px 0}.download-action{display:inline-block;margin:12px 0 4px;padding:9px 15px;border-radius:9px;background:var(--accent);color:#fff;text-decoration:none;font-weight:700}.download-action:hover{background:#174fc9}.file-meta{font-size:14px;color:var(--muted)}.checksum{display:block;margin-top:8px;padding:10px 12px;overflow-wrap:anywhere;border-radius:8px;background:#f5f7fa;color:#263044;font:12px/1.65 ui-monospace,SFMono-Regular,Consolas,monospace}.callout{margin:26px 0;padding:16px 18px;background:var(--soft);border:1px solid #dbe6ff;border-radius:12px;color:#475467}.faq-item{padding:18px 0;border-bottom:1px solid var(--line)}.faq-item h2{margin:0 0 8px;font-size:20px}.faq-item p{margin:0}.step-list{padding-left:24px}.step-list li{padding:4px 0;color:#3c4553}
.blog-main{width:min(940px,calc(100% - 40px))}.blog-empty{margin:28px 0;padding:38px 24px;border:1px solid var(--line);border-radius:16px;background:linear-gradient(135deg,#fff 0%,#f7f9ff 100%);text-align:center}.blog-empty h2{margin:0 0 6px;font-size:21px}.blog-empty p{margin:0;color:var(--muted)}
.site-main{min-height:calc(100vh - 160px);padding:44px 20px 64px;background:#f8fafc;color:var(--ink);font:16px/1.75 system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif}.blog-container{width:min(1120px,100%);margin:0 auto}.news-wrap{overflow:hidden;border:1px solid #e5e9ef;border-radius:18px;background:#fff;box-shadow:0 12px 36px rgba(36,99,235,.07)}.features{display:grid;grid-template-columns:220px minmax(0,1fr);min-height:520px}.blog-sidebar{padding:24px 16px;border-right:1px solid #e5e9ef;background:linear-gradient(180deg,#f5f8ff,#fff)}.blog-sidebar ul{margin:0;padding:0;list-style:none}.blog-sidebar a{display:block;padding:12px 14px;border-radius:10px;color:#596273;font-weight:700;text-decoration:none}.blog-sidebar a.active,.blog-sidebar a:hover{background:#eaf0ff;color:#2463eb}.blog-content{min-width:0;padding:30px 34px}.blog-content .title{margin:0 0 18px;color:#20242b;font-size:clamp(26px,4vw,34px);line-height:1.4}.blog-list{margin:0;padding:0;list-style:none}.blog-list-item{display:flex;gap:22px;padding:22px 0;border-bottom:1px solid #e9edf4}.blog-thumb{display:block;flex:0 0 220px;height:148px;overflow:hidden;border-radius:12px;background:#eef3fb}.blog-thumb img{display:block;width:100%;height:100%;object-fit:cover}.blog-list-copy{display:flex;min-width:0;flex:1;flex-direction:column}.blog-list-copy h2{margin:0 0 8px;font-size:21px;line-height:1.45}.blog-list-copy h2 a{color:#20242b;text-decoration:none}.blog-list-copy h2 a:hover{color:#2463eb}.blog-list-copy p{display:-webkit-box;overflow:hidden;margin:0;color:#596273;-webkit-box-orient:vertical;-webkit-line-clamp:3}.blog-list-copy p a{font-weight:700;text-decoration:none}.blog-list-copy time{align-self:flex-end;margin-top:auto;padding-top:14px;color:#7b8493;font-size:14px}.post-time{margin:-8px 0 24px;color:#7b8493;font-size:14px}.blog-content .content{color:#343c49;overflow-wrap:anywhere}.blog-content .content img{max-width:100%;height:auto}.article-nav{display:flex;justify-content:space-between;gap:20px;margin-top:34px;padding-top:20px;border-top:1px solid #e5e9ef}.article-nav p{margin:0}.blog-detail-back{display:inline-block;margin-top:24px;padding:9px 16px;border:1px solid #d7e1f4;border-radius:10px;color:#2463eb;font-weight:700;text-decoration:none}.pages{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:26px}.pages a,.pages span{display:inline-flex;min-width:38px;min-height:38px;align-items:center;justify-content:center;padding:5px 12px;border:1px solid #e1e7f0;border-radius:9px;color:#475467;text-decoration:none}.pages .active,.pages a:hover{border-color:#2463eb;background:#2463eb;color:#fff}
@media(max-width:600px){.site-header{align-items:flex-start;gap:12px;flex-direction:column;padding:14px 20px}.site-header nav{gap:16px}.article{margin:36px auto 52px}.lead{font-size:17px}h2{font-size:21px}}
@media(max-width:620px){.download-grid{grid-template-columns:1fr}}
@media(max-width:760px){.site-main{padding:26px 14px 44px}.features{grid-template-columns:1fr}.blog-sidebar{padding:12px;border-right:0;border-bottom:1px solid #e5e9ef}.blog-sidebar a{padding:9px 12px}.blog-content{padding:22px 18px}.blog-list-item{gap:14px}.blog-thumb{flex-basis:160px;height:116px}.blog-list-copy h2{font-size:18px}}
@media(max-width:520px){.blog-list-item{flex-direction:column}.blog-thumb{width:100%;height:auto;aspect-ratio:16/9;flex:auto}.blog-list-copy time{margin-top:6px}.article-nav{flex-direction:column;gap:10px}}