:root{--ink:#1a2428;--muted:#5a6a70;--paper:#e8eef0;--leaf:#2a5f58;--leaf-deep:#1a433e;--sand:#c5d0d4;--danger:#b33b2d;--ok:#2a5f58;--busy:#9a7b3c;--off:#7a847e;--radius:14px;--shadow:0 18px 50px #1a24281f;color:var(--ink);background:var(--paper);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;font-family:PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans SC,sans-serif;line-height:1.5}*{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}body{min-height:100vh}a{color:inherit;text-decoration:none}button,input,select{font:inherit}.page{min-height:100vh;position:relative;overflow:hidden}.atmosphere{z-index:0;background:radial-gradient(1200px 600px at 10% -10%,#2a5f5829,#0000 55%),radial-gradient(900px 500px at 100% 0,#a0b4bc73,#0000 50%),linear-gradient(#eef3f4 0%,#dde6e9 100%);position:absolute;inset:0}.atmosphere.mist{background:radial-gradient(900px 480px at 15% 10%,#2a5f5838,#0000 55%),radial-gradient(700px 400px at 85% 20%,#7896a047,#0000 50%),linear-gradient(165deg,#dfe8eb 0%,#cfdadf 42%,#e7eef0 100%)}.atmosphere.dark{background:radial-gradient(900px 500px at 20% 0,#2a5f5859,#0000 55%),linear-gradient(#121a1c 0%,#1a2428 100%)}.mist-drift{z-index:0;pointer-events:none;background:radial-gradient(40% 30% at 30% 40%,#ffffff59,#0000 70%),radial-gradient(35% 28% at 70% 55%,#ffffff38,#0000 70%);animation:14s ease-in-out infinite alternate mist-move;position:absolute;inset:-20% -10%}@keyframes mist-move{0%{transform:translate(-2%)scale(1)}to{transform:translate(3%,2%)scale(1.05)}}.page>*{z-index:1;position:relative}.topbar{justify-content:space-between;align-items:center;padding:1rem 1.25rem;display:flex}.topbar-actions{flex-wrap:wrap;align-items:center;gap:.5rem;display:flex}.brand-mark{letter-spacing:.04em;font-family:Songti SC,STSong,SimSun,PingFang SC,serif;font-weight:700}.ghost-link,.btn.ghost{color:var(--ink);cursor:pointer;background:#ffffff59;border:1px solid #1c24212e;border-radius:999px;padding:.45rem .9rem}.page.call .ghost-link,.page.call .brand-mark,.page.call .status-pill{color:#f3efe6}.page.call .btn.control{color:var(--ink);background:#ffffffe0;border:1px solid #1c24212e;font-weight:600}.page.call .controls .btn.primary{min-width:7.5rem}.hero{flex-direction:column;justify-content:center;max-width:560px;min-height:calc(100vh - 72px);padding:1.5rem 1.25rem 3rem;display:flex}.brand-hero{letter-spacing:.06em;margin:0;font-family:Songti SC,STSong,SimSun,PingFang SC,serif;font-size:clamp(2.6rem,8vw,4.2rem);line-height:1.1;animation:.8s both rise}.lead{color:var(--muted);max-width:28ch;margin:1rem 0 1.75rem;font-size:1.05rem;animation:.9s both rise}.join-form{gap:.9rem;animation:1s both rise;display:grid}.join-form label{color:var(--muted);gap:.4rem;font-size:.95rem;display:grid}.join-form input,.queue-list select{color:var(--ink);background:#ffffffb8;border:1px solid #1c242129;border-radius:12px;padding:.85rem 1rem}.btn{cursor:pointer;border:none;border-radius:12px;padding:.9rem 1.1rem;transition:transform .15s,background .15s}.btn:active{transform:translateY(1px)}.btn.primary{background:var(--leaf);color:#fff;font-weight:600}.btn.primary:hover{background:var(--leaf-deep)}.btn.primary:disabled,.btn.ghost:disabled{opacity:.45;cursor:not-allowed}.btn.danger{background:var(--danger);color:#fff;font-weight:600}.btn.small{border-radius:10px;padding:.45rem .75rem;font-size:.9rem}.hint{color:var(--muted);margin-top:1rem;font-size:.92rem}.panel{border-radius:var(--radius);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#ffffffb3;border:1px solid #1c242114;margin:0 1.25rem 1.5rem;padding:1.4rem;animation:.7s both rise}.panel.narrow{max-width:420px;margin-top:10vh;margin-left:auto;margin-right:auto}.panel h1,.panel h2{margin:0 0 .35rem;font-family:Songti SC,STSong,SimSun,PingFang SC,serif;font-weight:700}.sub,.status-line{color:var(--muted)}.stats{grid-template-columns:repeat(3,1fr);gap:.75rem;margin:1.25rem 0;display:grid}.stats div{text-align:center;background:#2f6b4f14;border-radius:12px;gap:.2rem;padding:.9rem .6rem;display:grid}.stats strong{font-family:Songti SC,STSong,SimSun,PingFang SC,serif;font-size:1.6rem}.stats span{color:var(--muted);font-size:.85rem}.desk{gap:1rem;padding-bottom:2rem;display:grid}@media (width>=900px){.desk{grid-template-columns:1.4fr 1fr;align-items:start;padding:0 1.25rem 2rem}.desk .panel{margin:0}}.queue-list,.host-list{gap:.75rem;margin:1rem 0 0;padding:0;list-style:none;display:grid}.queue-list li,.host-list li{border-top:1px solid #1c242114;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem;padding:.85rem 0;display:flex}.row-actions{flex-wrap:wrap;align-items:center;gap:.4rem;display:flex}.host-list .ok{color:var(--ok)}.host-list .busy{color:var(--busy)}.host-list .off{color:var(--off)}.error{color:var(--danger);margin:.75rem 0 0}.error.center{text-align:center}.call-hint{text-align:center;color:#f3efe6;padding:0 1rem;font-weight:700}.remote-audio{opacity:.01;z-index:-1;pointer-events:none;width:1px;height:1px;position:absolute}.stage{height:min(62vh,520px);box-shadow:var(--shadow);background:#0f1612;border-radius:18px;margin:0 1rem;animation:.7s both rise;position:relative;overflow:hidden}.remote,.local{object-fit:cover;background:#132018;position:absolute}.remote{width:100%;height:100%;inset:0;transform:scaleX(-1)}.local{aspect-ratio:3/4;z-index:2;border:2px solid #f3efe673;border-radius:12px;width:28%;max-width:180px;bottom:.8rem;right:.8rem;transform:scaleX(-1)}.voice-badge{z-index:2;color:#f3efe6eb;pointer-events:none;background:#0f16128c;border-radius:999px;padding:.35rem .7rem;font-size:.85rem;position:absolute;top:.8rem;left:.8rem}.remote-placeholder{color:#f3efe6bf;letter-spacing:.08em;z-index:1;pointer-events:none;background:#0f1612;place-items:center;font-family:Songti SC,STSong,SimSun,PingFang SC,serif;font-size:1.15rem;display:grid;position:absolute;inset:0}.controls{flex-wrap:wrap;justify-content:center;gap:.7rem;padding:1.25rem;display:flex}.status-pill{opacity:.85;font-size:.9rem}@keyframes rise{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.page.landing{overflow:hidden auto}.landing-top{animation:.7s both rise}.landing-hero{flex-direction:column;justify-content:center;max-width:40rem;min-height:100dvh;padding:1.5rem 1.4rem 3rem;display:flex}.hero-tag{letter-spacing:.12em;color:var(--leaf-deep);margin:.85rem 0 0;font-size:1rem;animation:.85s both rise}.landing-lead{max-width:32ch;animation:.95s both rise}.hero-cta{margin-top:.5rem;animation:1.05s both rise}.hero-cta .btn{text-align:center;min-width:9rem;display:inline-block}.landing-section{max-width:40rem;margin:0 auto;padding:2.5rem 1.4rem}.landing-section h2{letter-spacing:.06em;margin:0 0 .5rem;font-family:Songti SC,STSong,SimSun,PingFang SC,serif;font-size:1.65rem}.section-lead{color:var(--muted);margin:0 0 1.25rem}.topic-list{gap:1rem;margin:0;padding:0;list-style:none;display:grid}.topic-list li{border-bottom:1px solid #1a24281a;gap:.25rem;padding-bottom:1rem;display:grid}.topic-list strong{letter-spacing:.04em;font-family:Songti SC,STSong,SimSun,PingFang SC,serif;font-size:1.15rem}.topic-list span{color:var(--muted);font-size:.95rem}.steps{color:var(--muted);gap:.55rem;margin:0;padding-left:1.2rem;display:grid}.landing-foot{max-width:40rem;color:var(--muted);margin:0 auto;padding:2rem 1.4rem 3rem;font-size:.85rem}.landing-foot p{margin:0 0 .75rem}.foot-meta{opacity:.75}.hint.disclaimer{opacity:.9;font-size:.8rem;line-height:1.55}@media (width<=640px){.stats{grid-template-columns:1fr}.local{width:34%}.landing-hero{padding-top:2rem}}