:root{--bg: #f6f7fb;--card: #ffffff;--text: #111827;--muted: #6b7280;--line: rgba(17,24,39,.1);--shadow: 0 10px 30px rgba(17,24,39,.08);--primary: #2563eb;--primary2: #1d4ed8;--ok: #16a34a;--warn: #f59e0b}*{box-sizing:border-box}body{margin:0;background:radial-gradient(1200px 600px at 20% 0%,#eef2ff 0%,var(--bg) 45%,var(--bg) 100%);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Arial,sans-serif}.page{min-height:100vh}.header{padding:18px 14px 10px}.brand{max-width:920px;margin:0 auto}.brand__title{font-size:18px;font-weight:800;letter-spacing:.3px}.brand__sub{margin-top:6px;font-size:13px;color:var(--muted)}.container{max-width:920px;margin:0 auto;padding:0 14px 24px}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);overflow:hidden}.card__top{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 14px 10px;border-bottom:1px solid var(--line)}.hint__label{font-size:12px;color:var(--muted)}.hint__value{margin-top:4px;font-size:16px;font-weight:800;color:var(--primary2)}.status{display:inline-flex;align-items:center;gap:8px;font-size:12px;color:var(--muted)}.dot{width:10px;height:10px;border-radius:999px;background:#cbd5e1}.dot--running{background:var(--ok)}.dot--warn{background:var(--warn)}.stage{padding:14px}.videoWrap{position:relative;width:100%;max-width:520px;margin:0 auto;aspect-ratio:3 / 4;border-radius:18px;overflow:hidden;background:#0b1220;border:1px solid rgba(255,255,255,.1)}video,canvas{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}video{transform:none}canvas{transform:none}.videoWrap.mirror video{transform:scaleX(-1)}.videoWrap.mirror canvas{transform:scaleX(-1)}.chip{display:inline-flex;align-items:center;padding:8px 10px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--muted);font-size:12px}.actions{display:flex;gap:10px;justify-content:center;padding:0 14px 14px;flex-wrap:wrap}.btn{border:1px solid var(--line);background:#fff;color:var(--text);padding:10px 14px;border-radius:14px;font-size:14px;cursor:pointer;transition:transform .06s ease,box-shadow .2s ease}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn--primary{background:linear-gradient(180deg,var(--primary) 0%,var(--primary2) 100%);border-color:#2563eb59;color:#fff;box-shadow:0 10px 20px #2563eb2e}.btn--ghost{background:#fff}.tips{padding:12px 14px 14px;border-top:1px solid var(--line);background:#fbfcff}.tips__title{font-weight:800;font-size:13px}.tips__list{margin:8px 0 0;padding-left:18px;color:var(--muted);font-size:12px;line-height:1.6}.debug{margin:0;padding:10px 14px 14px;color:#64748b;font-size:12px;white-space:pre-wrap}.result{margin:12px 14px 0;padding:10px 12px;border-radius:14px;border:1px solid var(--line);background:#f8fafc;color:#0f172a;font-size:14px;font-weight:700}.result--hidden{display:none}.result--ok{background:#ecfdf5;border-color:#16a34a40;color:#065f46}.result--bad{background:#fffbeb;border-color:#f59e0b59;color:#92400e}