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rgba(0,0,0,.18);overflow:hidden}.demo-metric-card::after{content:"";position:absolute;width:120px;height:120px;right:-40px;top:-45px;border:1px solid rgba(116,220,255,.58);border-radius:50%;box-shadow:0 0 0 17px rgba(76,185,236,.07)}.demo-metric-card span,.demo-metric-card small{position:relative;z-index:1;color:#98c5df;font-size:12px}.demo-metric-card strong{position:relative;z-index:1;color:#f1fbff;font-size:52px;line-height:1;font-variant-numeric:tabular-nums}.demo-metric-card p{position:relative;z-index:1;margin:10px 0 0!important;color:#83a4bc!important;font-size:12px!important;line-height:1.7!important}.demo-head{max-width:760px}.demo-head h2{margin:8px 0 0;font-size:clamp(25px,3vw,38px);line-height:1.3}.demo-head>p:last-child{color:#8da9bd;font-size:14px;line-height:1.75}.demo-board{display:grid;grid-template-columns:minmax(250px,.72fr) minmax(0,1.28fr);margin-top:28px;border:1px solid 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20px;margin:0;list-style:none}.demo-log li{padding:8px 0;border-bottom:1px solid rgba(130,186,231,.1);color:#9dbacf;font-family:Consolas,"Microsoft YaHei",sans-serif;font-size:12px;line-height:1.6}.demo-log li:last-child{border-bottom:0}.demo-log li::before{content:"›";margin-right:8px;color:#65d4a8}.demo-safety{display:grid;grid-template-columns:auto 1fr;gap:16px;margin-top:14px;padding:14px 16px;border-left:2px solid #62cafa;background:rgba(71,163,225,.08);color:#a7bfd1;font-size:12px;line-height:1.75}.demo-safety strong{color:#dff3ff}.demo-guide{background:linear-gradient(180deg,rgba(40,136,202,.05),transparent)}.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:26px}.guide-grid article{padding:21px;border:1px solid rgba(117,191,237,.18);border-radius:8px;background:rgba(8,22,39,.65)}.guide-grid b{color:#71d4fb;font-size:12px}.guide-grid h3{margin:12px 0 0;font-size:17px}.guide-grid p{margin:10px 0 0;color:#9eb7c9;font-size:13px;line-height:1.75}.guide-action{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-top:22px;padding-top:22px;border-top:1px solid rgba(132,190,255,.14);color:#c0d8e8;font-size:14px}@media(max-width:800px){.demo-hero{padding:56px 0 44px;background-position:62% center}.demo-hero-grid,.demo-board{grid-template-columns:1fr}.demo-metric-card{max-width:480px}.guide-grid{grid-template-columns:1fr}.guide-action{align-items:flex-start;flex-direction:column}.demo-safety{grid-template-columns:1fr}.demo-hero h1{font-size:39px}}@media(max-width:520px){.demo-hero-actions .yd-btn{width:100%;text-align:center}.demo-terminal-top em{display:none}.demo-visual{padding:22px}.demo-visual h3{font-size:22px}}