:root{font-family:"PingFang SC","Microsoft YaHei",sans-serif;color:#3d302b;background:#f7f1eb}*{box-sizing:border-box}body{margin:0;min-height:100vh}.landing{display:grid;place-items:center;padding:24px}.landing-card,.call-shell{width:min(980px,100%);margin:auto;background:#fffdf9;border:1px solid #eadfd4;border-radius:24px;box-shadow:0 14px 40px #765f4b20}.landing-card{max-width:520px;padding:42px;text-align:center}.eyebrow{color:#b86f54;font-size:13px;font-weight:700;letter-spacing:.08em}h1{margin:8px 0;font-size:28px}p{line-height:1.65}.muted,.hint{color:#8e8178;font-size:13px}.entry-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:28px 0}.entry-grid a,.controls button,.primary{border:0;border-radius:14px;padding:15px 18px;font:inherit;cursor:pointer;background:#f0e8e0;color:#493b34;text-decoration:none}.entry-grid a,.primary{background:#b8755a;color:#fff}.call-shell{padding:24px;min-height:calc(100vh - 48px)}header,.contact-bar{display:flex;align-items:center;justify-content:space-between;gap:16px}header{border-bottom:1px solid #eee5dc;padding-bottom:18px}.presence{font-size:13px;color:#8b7b70;background:#f3ece5;padding:8px 12px;border-radius:99px}.contact-bar{padding:18px 0}.contact-bar small{display:block;color:#8e8178;margin-top:4px}.video-grid{display:grid;grid-template-columns:2fr 1fr;gap:14px}.video-card{position:relative;min-height:280px;border-radius:20px;overflow:hidden;background:#2d3236}.video-card video{display:block;width:100%;height:100%;min-height:280px;object-fit:cover;background:#2d3236}.video-card.local video{min-height:190px}.video-label{position:absolute;left:14px;top:12px;color:#fff;background:#0008;border-radius:99px;padding:6px 10px;font-size:13px}.placeholder{position:absolute;inset:0;display:grid;place-items:center;color:#e9e0d9;font-size:18px;pointer-events:none}.placeholder[hidden]{display:none}.video-card video:not([srcObject]){}.status{text-align:center;min-height:28px;color:#6e5b50}.controls{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}.controls button[hidden]{display:none}.controls .danger{background:#bb5b57;color:#fff}.controls button:disabled{opacity:.5;cursor:not-allowed}
@media(max-width:700px){.call-shell{border-radius:0;min-height:100vh;padding:16px}.video-grid{grid-template-columns:1fr}.video-card.local{position:absolute;width:118px;right:28px;top:166px;border:2px solid #fff}.video-card.local video{min-height:150px}.video-card.remote video{min-height:400px}.contact-bar{align-items:flex-start;flex-direction:column}.contact-bar button{width:100%}}
.audio-only .video-grid{display:none}.audio-only .call-shell{max-width:620px}.audio-only .status{margin-top:72px}.audio-only .contact-bar{margin-top:20px}