:root{--brand: #1890ff;--brand-hover: #40a9ff;--sider-bg: #ffffff;--sider-border: #f0f0f0;--page-bg: #f5f7fa;--card-bg: #ffffff;--text-primary: #1f1f1f;--text-secondary: #8c8c8c;--text-muted: #bfbfbf;--border-color: #e8e8e8;--radius: 10px;--shadow-card: 0 2px 8px rgba(0, 21, 41, .06);--shadow-card-hover: 0 6px 20px rgba(0, 21, 41, .1)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0;padding:0}body{background:var(--page-bg);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}.auth-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px 16px;background:radial-gradient(900px 500px at 10% 5%,rgba(24,144,255,.14),transparent 60%),radial-gradient(800px 460px at 92% 95%,rgba(114,46,209,.1),transparent 62%),linear-gradient(135deg,#eef5ff,#f7faff 45%,#fff)}.auth-brand{color:var(--text-primary);max-width:460px}.auth-brand__logo{font-size:30px;font-weight:700;letter-spacing:1px;margin-bottom:12px}.auth-brand__logo span{color:var(--brand)}.auth-brand__desc{color:var(--text-secondary);font-size:14px;line-height:1.9;margin-bottom:22px}.auth-brand__points{list-style:none;padding:0;margin:0;color:#ffffffdb;font-size:14px;line-height:2.1}.auth-brand__points li:before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:#4dabf7;margin-right:10px;vertical-align:middle}.auth-card{width:100%;max-width:400px;border-radius:14px;box-shadow:0 18px 48px #00000052}@media (max-width: 900px){.auth-brand{display:none}}.phone-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(268px,1fr));gap:16px}.phone-card{position:relative;border-radius:var(--radius);transition:box-shadow .2s ease,transform .2s ease}.phone-card:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-2px)}.phone-card.is-selected{box-shadow:0 0 0 2px var(--brand) inset,var(--shadow-card-hover)}.phone-card__bar{position:absolute;left:0;top:0;bottom:0;width:4px;border-radius:var(--radius) 0 0 var(--radius)}.phone-card__check{position:absolute;right:10px;top:10px;z-index:2}.phone-card__screen{height:200px;border-radius:8px;margin-bottom:12px;display:flex;align-items:center;justify-content:center;color:#00000073;font-size:12px;letter-spacing:.5px;background:#f5f7fa;border:1px solid #eef1f5;overflow:hidden;position:relative;transition:border-color .2s ease,box-shadow .2s ease}.phone-card__screen.is-streamable{cursor:pointer}.phone-card__screen.is-streamable:hover{border-color:#91d5ff;box-shadow:0 0 0 2px #1890ff1f}.phone-card__screen.is-streamable:hover .phone-card__screen-hint{opacity:1}.phone-card__screen-hint{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;gap:6px;background:#1890ffd1;color:#fff;font-size:13px;font-weight:600;letter-spacing:.5px;opacity:0;transition:opacity .2s ease;pointer-events:none;z-index:3}.phone-card__screen-off{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;color:#0006}.phone-card__title{font-size:15px;font-weight:600;display:flex;align-items:center;gap:8px;overflow:hidden}.phone-card__meta{display:flex;flex-wrap:wrap;gap:6px 14px;margin-top:10px;color:#0000008c;font-size:13px}.phone-card__meta b{color:#000000d1;font-weight:500}.batch-bar{position:sticky;top:0;z-index:20;margin-bottom:16px;padding:12px 16px;border-radius:var(--radius);background:#fff;border-left:3px solid var(--brand);box-shadow:var(--shadow-card);display:flex;flex-wrap:wrap;gap:10px 16px;align-items:center}.batch-bar__count{font-weight:600;color:var(--brand)}.control-layout{display:grid;grid-template-columns:minmax(260px,340px) 1fr;gap:16px;align-items:start}@media (max-width: 1100px){.control-layout{grid-template-columns:1fr}}.device-pick-list{max-height:560px;overflow-y:auto}.device-pick-item{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 10px;border-radius:6px;cursor:pointer}.device-pick-item:hover{background:#1677ff0f}.device-pick-item.is-checked{background:#1677ff1a}.sku-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}.sku-card{border-radius:var(--radius);overflow:hidden}.sku-card__head{padding:14px 18px;background:linear-gradient(120deg,#e6f7ff,#bae7ff);color:#1f1f1f}.sku-card__price{font-size:26px;font-weight:700;color:#d4380d}.sku-card__price small{font-size:13px;font-weight:400;color:#00000073;margin-left:4px}.sku-card__origin{color:#00000073;text-decoration:line-through;margin-left:8px}.stat-card .ant-statistic-title{color:#0000008c}.page-narrow{max-width:520px;margin:0 auto}.section-title{font-size:16px;font-weight:600;margin:0 0 12px}.mono{font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;font-size:12px}.webrtc-stage{width:100%;height:100%;background:#000;display:flex;align-items:center;justify-content:center}.webrtc-stage video{max-width:100%;max-height:100%;object-fit:contain}.webrtc-shell{position:fixed;top:0;right:0;bottom:0;left:0;background:#000;z-index:1000}.webrtc-toolbar{position:absolute;top:0;left:0;right:0;height:52px;display:flex;align-items:center;gap:12px;padding:0 16px;background:linear-gradient(180deg,#000000b8,#0000);color:#fff;z-index:2}.webrtc-frame{width:100%;height:100%;border:0;background:#000}.empty-pad{padding:48px 0}.text-muted{color:#00000073}