:root{--bg: #07080c;--bg-2: #0c0e14;--surface: #12151d;--elevated: #181c27;--line: rgba(255, 255, 255, .08);--line-strong: rgba(255, 255, 255, .14);--text: #f3f5f8;--muted: #8b93a7;--faint: #5d6578;--brand: #6d8dff;--brand-2: #8aa2ff;--live: #ff3b5c;--ok: #3dd68c;--warn: #f5b942;--radius: 16px;--font: "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif}*{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-feature-settings:"ss01"}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}.page{min-height:100vh;background:radial-gradient(900px 500px at 12% -10%,rgba(109,141,255,.16),transparent 50%),radial-gradient(700px 420px at 90% 0%,rgba(255,59,92,.1),transparent 46%),var(--bg)}.nav{display:flex;align-items:center;justify-content:space-between;padding:20px 40px;max-width:1200px;margin:0 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var(--line);background:var(--bg-2)}.ctrl{width:46px;height:46px;border:0;border-radius:50%;background:var(--elevated);color:var(--text);display:grid;place-items:center}.ctrl.on{background:#243055}.ctrl.off{background:#3a1b24;color:#ff8aa0}.ctrl.rec{background:#5a1d28;color:#ff8aa0}.ctrl.wide{width:auto;padding:0 12px;border-radius:23px;font-weight:650}.ctrl.leave{background:var(--live);width:auto;padding:0 16px;border-radius:23px;font-weight:650}.share-wrap{position:relative}.share-menu{position:absolute;bottom:56px;left:50%;transform:translate(-50%);min-width:168px;padding:6px;border-radius:12px;background:#1a2030;border:1px solid var(--line-strong);box-shadow:0 10px 28px #00000059;display:grid;gap:4px;z-index:8}.share-menu button{border:0;background:transparent;color:var(--text);text-align:left;padding:8px 10px;border-radius:8px;white-space:nowrap}.share-menu button:hover,.share-menu button.active{background:#243055}.live-badge.rec{background:#ff3b5c33}.timeline{display:flex;align-items:center;gap:12px;padding:0 16px;border-top:1px solid var(--line);background:var(--bg-2)}.timeline-range{flex:1;accent-color:var(--live)}.studio.replay{grid-template-rows:56px 1fr 64px}.modal-mask{position:fixed;inset:0;background:#080a109e;display:grid;place-items:center;z-index:40;padding:20px}.modal{max-width:520px;width:min(520px,100%)}.volume-list{display:grid;gap:8px;margin:14px 0;max-height:260px;overflow:auto}.volume{display:flex;justify-content:space-between;gap:12px;width:100%;text-align:left;border:1px solid var(--line);background:var(--elevated);color:inherit;border-radius:12px;padding:12px 14px}.volume:disabled{opacity:.45;cursor:not-allowed}.volume:not(:disabled):hover{border-color:var(--line-strong)}.toast{position:fixed;top:18px;left:50%;transform:translate(-50%);background:#1d2230;border:1px solid var(--line-strong);padding:10px 14px;border-radius:10px;z-index:20}.empty-stage{height:100%;display:grid;place-items:center;color:var(--muted);text-align:center}.empty-stage h2{margin:0 0 8px;color:var(--text)}@media(max-width:960px){.hero,.grid-3,.grid-rooms{grid-template-columns:1fr}.hero,.nav,.section{padding-left:18px;padding-right:18px}h1{font-size:36px}.workspace{grid-template-columns:1fr;grid-template-rows:minmax(0,1fr) auto}.side{display:flex;border-left:0;border-top:1px solid var(--line);max-height:42vh}.video-rail{max-height:120px}.video-rail .tile,.video-empty{height:100px}.studio{height:100vh}}