:root{--rose:#CB0E75;--rose-deep:#B40166;--rose-soft:#E63692;--rose-light:#EC549E;--ink:#2B2B33;--text-2:#6E6A75;--text-3:#75717C;--border:#F0E4EA;--surface:#FBF6F9;--brand:linear-gradient(135deg,#CB0E75 0%,#E63692 60%,#EC549E 100%)}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;color:var(--ink);line-height:1.85;background:#fff;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(480px 480px at 12% -4%,rgba(203,14,117,.08),transparent 70%),radial-gradient(400px 400px at 96% 20%,rgba(230,54,146,.06),transparent 70%)}
.topbar{height:6px;background:var(--rose)}
.skip-link{position:fixed;left:16px;top:-64px;z-index:100;padding:10px 16px;border-radius:8px;color:#fff;background:var(--ink);font-weight:700;text-decoration:none}.skip-link:focus{top:12px}
nav{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:16px;padding:12px 24px;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.brand{display:flex;align-items:center;gap:9px;color:var(--ink);font-size:15px;font-weight:800;text-decoration:none}
.brand .mark{position:relative;width:20px;height:20px;flex:none;border-radius:50%;background:var(--brand)}
.brand .mark::after{content:"";position:absolute;inset:0;border-radius:50%;background:radial-gradient(circle at 32% 28%,rgba(255,255,255,.85),transparent 40%)}
nav .links{display:flex;align-items:center;gap:6px;margin-left:auto}
nav .links a{padding:7px 14px;border-radius:999px;color:var(--text-2);font-size:13.5px;text-decoration:none}
nav .links a:hover{color:var(--rose);background:var(--surface)}
nav .links a.cta{color:#fff;background:var(--brand);font-weight:600}
main{max-width:720px;margin:0 auto;padding:40px 24px 60px}
.breadcrumb{margin-bottom:18px;color:var(--text-3);font-size:12.5px}
.breadcrumb a{color:var(--text-3);text-decoration:none}.breadcrumb a:hover{color:var(--rose)}
h1{margin-bottom:10px;font-size:30px;line-height:1.35;font-weight:800;letter-spacing:-.01em}
.meta{display:flex;align-items:center;flex-wrap:wrap;gap:4px 14px;margin-bottom:28px;color:var(--text-2);font-size:14px}
.meta strong{color:var(--ink);font-weight:700}.meta time{font-variant-numeric:tabular-nums}
h2{margin:34px 0 12px;padding-left:12px;border-left:3px solid var(--rose);font-size:21px;font-weight:800}
h3{margin:24px 0 8px;font-size:17px;font-weight:700}
p{margin:10px 0}ul,ol{margin:10px 0 10px 22px}li{margin:5px 0}b,strong{font-weight:700}a{color:var(--rose)}
code{padding:1px 6px;border-radius:5px;color:var(--rose-deep);background:var(--surface);font-family:ui-monospace,"SF Mono","JetBrains Mono",Consolas,monospace;font-size:13px}
pre{margin:12px 0;padding:16px 18px;overflow-x:auto;border-radius:10px;color:#f5eef2;background:var(--ink);font-family:ui-monospace,"SF Mono",Consolas,monospace;font-size:13px;line-height:1.7}
table{width:100%;margin:12px 0 18px;overflow:hidden;border:1px solid var(--border);border-collapse:collapse;border-radius:10px;font-size:13.5px}
th,td{padding:9px 13px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}th{color:var(--rose-deep);background:var(--surface);font-weight:700;white-space:nowrap}tr:last-child td{border-bottom:none}
.callout{margin:16px 0;padding:14px 18px;border:1px solid var(--border);border-left:3px solid var(--rose);border-radius:0 10px 10px 0;color:var(--text-2);background:var(--surface);font-size:14px}.callout b{color:var(--ink)}
.article-intro{display:grid;grid-template-columns:minmax(0,1fr) 144px;align-items:center;gap:28px;margin:0 0 22px}.article-intro img{display:block;width:144px;height:144px;border:1px solid var(--border);border-radius:28px;box-shadow:0 14px 40px rgba(203,14,117,.11)}
.article-demo{margin:20px 0 24px}.article-demo video{display:block;width:100%;aspect-ratio:16/9;border:1px solid var(--border);border-radius:14px;background:var(--surface);box-shadow:0 18px 48px rgba(76,39,59,.12)}.article-demo figcaption{margin-top:10px;color:var(--text-3);font-size:13px;line-height:1.65}
.table-wrap{margin:12px 0 18px;overflow-x:auto;border-radius:10px;outline:none}.table-wrap:focus-visible{outline:3px solid rgba(203,14,117,.32);outline-offset:3px}.table-wrap table{min-width:620px;margin:0}
.connect-steps li{scroll-margin-top:84px}
.faq-list{margin-top:14px}.faq-list>div{padding:18px 2px;border-bottom:1px solid var(--border)}.faq-list>div:first-child{border-top:1px solid var(--border)}.faq-list dt{font-weight:800}.faq-list dd{margin-top:6px;color:var(--text-2)}
.article-cta{margin:36px 0 0;padding:26px 28px;border:1px solid var(--border);border-radius:16px;text-align:center;background:linear-gradient(135deg,#FBF6F9,#FFF)}
.article-cta h3{margin:0 0 6px;font-size:18px}.article-cta p{margin:0 0 16px;color:var(--text-2);font-size:13.5px}.article-cta a.btn{display:inline-block;padding:12px 32px;border-radius:10px;color:#fff;background:var(--brand);font-size:15px;font-weight:700;text-decoration:none}.article-cta a.btn:hover{opacity:.92}.article-cta .sub{margin-top:10px;color:var(--text-3);font-size:12px}
.platform-page main{max-width:960px}
.platform-hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,.82fr);align-items:center;gap:48px;padding:24px 0 44px;border-bottom:1px solid var(--border)}
.platform-hero h1{margin:0;font-size:38px;line-height:1.28;letter-spacing:-.025em}.platform-hero__copy>p{max-width:36em;margin:18px 0 0;color:var(--text-2);font-size:16px;line-height:1.8}
.platform-actions{display:flex;align-items:center;flex-wrap:wrap;gap:12px 18px;margin-top:24px}.platform-actions .btn{display:inline-block;padding:12px 26px;border-radius:10px;color:#fff;background:var(--rose-deep);font-size:15px;font-weight:700;text-decoration:none}.platform-actions .btn:hover{background:#8f0151}.platform-text-link{color:var(--rose);font-size:14px;font-weight:700;text-decoration:none}.platform-text-link span{display:inline-block;transition:transform .2s ease}.platform-text-link:hover span{transform:translateX(3px)}
.platform-hero__media{margin:0}.platform-hero__media img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;border:1px solid var(--border);border-radius:16px;box-shadow:0 18px 48px rgba(76,39,59,.14)}.platform-hero__media figcaption{margin-top:10px;color:var(--text-3);font-size:12.5px;line-height:1.6}
.platform-question-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));margin:16px 0 4px;border-top:1px solid var(--border)}.platform-question-grid>div{padding:18px 20px 18px 0;border-bottom:1px solid var(--border)}.platform-question-grid>div:nth-child(odd){padding-right:30px}.platform-question-grid>div:nth-child(even){padding-left:30px;border-left:1px solid var(--border)}.platform-question-grid dt{font-weight:800}.platform-question-grid dd{margin-top:5px;color:var(--text-2);font-size:14px;line-height:1.7}
.platform-workflow{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));margin:16px 0 4px;padding:0;list-style:none;border-top:1px solid var(--border)}.platform-workflow li{padding:18px 16px 4px 0}.platform-workflow li+li{padding-left:16px;border-left:1px solid var(--border)}.platform-workflow strong,.platform-workflow span{display:block}.platform-workflow strong{font-size:15px}.platform-workflow span{margin-top:7px;color:var(--text-2);font-size:13px;line-height:1.7}
.platform-fit{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin-top:14px}.platform-fit>div{padding:20px 22px;border:1px solid var(--border);border-radius:14px;background:var(--surface)}.platform-fit h3{margin:0 0 8px}.platform-fit ul{margin-bottom:0}
.platform-page .article-cta h2{margin:0 0 6px;padding:0;border:0;font-size:20px}
.platform-page .article-cta a.btn{background:var(--rose-deep)}.platform-page .article-cta a.btn:hover{background:#8f0151;opacity:1}
.platform-actions a:focus-visible,.platform-question-grid a:focus-visible{outline:3px solid rgba(203,14,117,.32);outline-offset:3px}
.related{margin-top:36px;padding-top:28px;border-top:1px solid var(--border)}.related h2{margin:0 0 8px;padding:0;border:0;font-size:18px}.related-list{border-top:1px solid var(--border)}.related-list a{display:flex;justify-content:space-between;gap:16px;padding:13px 2px;border-bottom:1px solid var(--border);color:var(--ink);font-size:13.5px;text-decoration:none}.related-list a span{color:var(--rose);font-weight:700}.related-list a:hover{color:var(--rose)}
.references{margin-top:34px;padding:20px 22px;border:1px solid var(--border);border-radius:12px;background:var(--surface)}.references h2{margin:0 0 7px;padding:0;border:0;font-size:18px}.references p{margin:0 0 8px;color:var(--text-2);font-size:14px}.references ul{margin:0 0 0 18px;font-size:14px}.references li{margin:4px 0}.references a{overflow-wrap:anywhere}
.related-list a:focus-visible,.article-cta a.btn:focus-visible,.references a:focus-visible,nav a:focus-visible{outline:3px solid rgba(203,14,117,.32);outline-offset:3px}
footer{position:relative;margin-top:30px;padding:20px 40px;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;color:var(--text-3);font-size:12.5px;border-top:1px solid var(--border);background:rgba(255,255,255,.85);backdrop-filter:blur(8px)}
.footer-left,.footer-right{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.footer-mono{font-family:ui-monospace,"SF Mono",Consolas,monospace}footer a{color:var(--text-3);text-decoration:none}footer a:hover{color:var(--rose)}.footer-record{display:inline-flex;align-items:center}.footer-record::before{content:'·';margin-right:14px;color:var(--text-3)}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}
@media(max-width:760px){.platform-hero{grid-template-columns:1fr;gap:28px;padding:14px 0 36px}.platform-hero h1{font-size:30px}.platform-hero__copy>p{font-size:15px}.platform-question-grid,.platform-fit{grid-template-columns:1fr}.platform-question-grid>div:nth-child(odd),.platform-question-grid>div:nth-child(even){padding:16px 0;border-left:0}.platform-workflow{grid-template-columns:1fr}.platform-workflow li,.platform-workflow li+li{padding:14px 0;border-left:0;border-bottom:1px solid var(--border)}}
@media(max-width:640px){nav .links a.hide-m{display:none}h1{font-size:24px}.meta{align-items:flex-start;flex-direction:column;gap:2px}.article-intro{grid-template-columns:1fr;gap:14px}.article-intro img{width:96px;height:96px;border-radius:22px}.references{padding:18px}main{padding:28px 18px 44px}footer,.footer-left{flex-direction:column;justify-content:center;text-align:center;gap:6px;padding:16px}.footer-right{width:100%;justify-content:center;gap:6px}.footer-record{flex:1 0 100%;justify-content:center;margin-top:2px}.footer-record::before{display:none}}