:root{--bg:#f7f8fb;--surface:#fff;--surface-soft:#eef4f8;--text:#182230;--muted:#667085;--border:#d9e2ea;--accent:#1677ff;--accent-strong:#0958d9;--success:#11845b;--warning:#b54708;--shadow:0 12px 32px #10182814}*{box-sizing:border-box}html,body{background:var(--bg);min-height:100%;color:var(--text);margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input{font:inherit}.page{min-height:100vh}.topbar{border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffffeb}.topbar-inner,.main{width:min(1180px,100% - 32px);margin:0 auto}.topbar-inner{justify-content:space-between;align-items:center;gap:16px;min-height:72px;display:flex}.brand{align-items:center;gap:12px;display:flex}.brand-mark{color:#fff;background:#14532d;border-radius:8px;place-items:center;width:40px;height:40px;display:grid}.brand h1{margin:0;font-size:20px;line-height:1.2}.brand p{color:var(--muted);margin:3px 0 0;font-size:13px}.main{padding:28px 0 48px}.toolbar{grid-template-columns:1fr 1fr auto;align-items:end;gap:12px;margin-bottom:22px;display:grid}.field{gap:7px;display:grid}.field label{color:#344054;font-size:13px;font-weight:600}.input{border:1px solid var(--border);width:100%;height:42px;color:var(--text);background:#fff;border-radius:8px;padding:0 12px}.button{background:var(--accent);color:#fff;cursor:pointer;border:0;border-radius:8px;justify-content:center;align-items:center;gap:8px;height:42px;padding:0 16px;font-weight:700;display:inline-flex}.button:hover{background:var(--accent-strong)}.button:disabled{cursor:not-allowed;opacity:.68}.status{color:var(--muted);align-items:center;gap:8px;font-size:14px;display:inline-flex}.status-dot{background:var(--success);border-radius:99px;width:8px;height:8px}.status-dot.error{background:#d92d20}.metrics{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}.metric-card,.panel{border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow);border-radius:8px}.metric-card{padding:18px}.metric-card p{color:var(--muted);margin:0 0 8px;font-size:13px;font-weight:600}.metric-card strong{font-size:34px;line-height:1}.content-grid{grid-template-columns:minmax(0,1.35fr) minmax(320px,.65fr);gap:16px;margin-top:18px;display:grid}.panel{overflow:hidden}.panel-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:12px;padding:16px 18px;display:flex}.panel-title{align-items:center;gap:9px;margin:0;font-size:16px;display:flex}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%;min-width:650px}th,td{border-bottom:1px solid var(--border);text-align:left;padding:13px 18px;font-size:14px}th{color:#475467;background:var(--surface-soft);letter-spacing:0;font-size:12px}tbody tr:last-child td{border-bottom:0}.event-id{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-weight:700}.bars{gap:14px;padding:18px;display:grid}.bar-row{gap:7px;display:grid}.bar-row-header{justify-content:space-between;gap:12px;font-size:14px;display:flex}.bar-track{background:#e8eef5;border-radius:99px;height:10px;overflow:hidden}.bar-fill{border-radius:inherit;background:#12b76a;height:100%}.empty,.error-box{color:var(--muted);text-align:center;padding:28px 18px}.error-box{color:#b42318}.site-nav{border-bottom:1px solid var(--border);background:#fff}.site-nav-inner{gap:18px;width:min(1180px,100% - 32px);margin:0 auto;padding:10px 0;display:flex}.site-nav a{color:#344054;font-size:14px;font-weight:600;text-decoration:none}.site-nav a:hover{color:var(--accent)}.douyin-mark{background:#111827}.douyin-toolbar{grid-template-columns:minmax(0,1fr) auto}.hint{color:var(--muted);margin:0;font-size:14px;line-height:1.6}.hint a{color:var(--accent);margin-left:10px;font-weight:600;text-decoration:none}.douyin-bar{background:#111827}.convention-panel{border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow);border-radius:8px;margin-bottom:18px;padding:18px}.convention-title{margin:0 0 8px;font-size:15px;font-weight:700}.convention-text{color:var(--muted);margin:0 0 8px;font-size:14px;line-height:1.6}.convention-pattern{margin:0 0 10px}.convention-pattern code,.convention-text code,.convention-example code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:13px}.convention-example{background:var(--surface-soft);white-space:pre-wrap;word-break:break-all;border-radius:8px;margin:0;padding:12px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:12px;line-height:1.5;overflow-x:auto}.panel-header a{color:var(--accent);font-size:13px;font-weight:600;text-decoration:none}@media (max-width:860px){.toolbar,.metrics,.content-grid{grid-template-columns:1fr}.topbar-inner{flex-direction:column;align-items:flex-start;padding:16px 0}.metric-card strong{font-size:28px}}