:root{--primary:#176b87;--primary-light:#e8f4f7;--ink:#173042;--muted:#667b86;--line:#dbe7eb;--bg:#f5f8f9;--good:#dff3e7;--good-ink:#237443;--warn:#fff3c9;--warn-ink:#8a6500;--focus:#ffe4cf;--focus-ink:#a24d12;--shadow:0 8px 24px rgba(23,48,66,.07)}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button{cursor:pointer;border:0}.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}.nav{max-width:1100px;margin:auto;padding:13px 18px;display:flex;align-items:center;justify-content:space-between}.brand{font-weight:800;font-size:21px;color:var(--primary)}.nav-links{display:flex;gap:10px;flex-wrap:wrap}.nav-links a{padding:6px 9px;border-radius:7px;color:var(--muted);font-size:13px}.nav-links a:hover{background:var(--primary-light);color:var(--primary)}.container{max-width:1100px;margin:auto;padding:28px 18px}.hero{padding:24px 0 20px}.hero h1{font-size:clamp(25px,5vw,38px);margin:0 0 8px}.hero p{color:var(--muted);margin:0}.grid{display:grid;gap:16px}.grid-3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.grid-2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:18px;box-shadow:var(--shadow)}.card h2,.card h3{margin:0 0 10px}.entry{min-height:150px;display:flex;flex-direction:column;justify-content:space-between}.entry h3{color:var(--primary);font-size:18px}.section{margin:26px 0}.section-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.section-title h2{font-size:20px;margin:0}.btn{background:var(--primary);color:#fff;padding:10px 16px;border-radius:7px;font-weight:600;display:inline-flex;align-items:center;gap:6px}.btn.secondary{background:#eef4f5;color:var(--primary)}.btn.danger{background:#fff0ed;color:#a8402d}.btn:disabled{opacity:.5;cursor:not-allowed}.input,textarea,select{width:100%;border:1px solid #c8d9de;border-radius:7px;padding:10px;background:#fff;color:var(--ink)}textarea{min-height:130px;resize:vertical}.form-row{display:grid;gap:12px;margin-bottom:14px}.label{font-size:13px;color:var(--muted);display:block;margin-bottom:5px}.tabs{display:flex;gap:8px;margin-bottom:14px}.tab{padding:8px 14px;border-radius:20px;background:#edf3f5;color:var(--muted)}.tab.active{background:var(--primary);color:#fff}
.tab[disabled]{opacity:.45;cursor:not-allowed;text-decoration:line-through}.notice{padding:11px 14px;border-radius:7px;background:#fff7df;color:#795d08;margin:10px 0}.error{padding:11px 14px;border-radius:7px;background:#fff0ed;color:#a8402d;margin:10px 0}.muted{color:var(--muted)}.tag{display:inline-block;padding:3px 9px;border-radius:12px;font-size:12px}.tag.ok{background:var(--good);color:var(--good-ink)}.tag.improve{background:var(--warn);color:var(--warn-ink)}.tag.focus{background:var(--focus);color:var(--focus-ink)}.metric-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px}.metric{background:#f4f8f9;border-radius:8px;padding:12px}.metric strong{display:block;font-size:21px;color:var(--primary)}.progress{height:9px;background:#e7eff1;border-radius:8px;overflow:hidden}.progress i{display:block;height:100%;background:var(--primary);border-radius:8px}.volume{height:12px;background:#e7eff1;border-radius:8px;overflow:hidden}.volume i{display:block;height:100%;width:0;background:#42a66c;transition:width .1s}.report-ai{border-left:4px solid var(--primary);background:#f3fafb}.report-data{border-left:4px solid #9aadb4;background:#fff}.list{padding-left:20px}.list li{margin:8px 0}.evidence{font-size:13px;color:var(--muted);margin-top:3px}.rewrite{border-top:1px solid var(--line);padding:13px 0}.arrow{color:var(--primary);font-weight:700}.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse;background:#fff}.table th,.table td{padding:10px 9px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}.table th{font-size:13px;color:var(--muted)}.stat{font-size:27px;font-weight:700;color:var(--primary)}.footer{padding:28px 18px;text-align:center;color:var(--muted);font-size:12px}.login{max-width:390px;margin:12vh auto}.hidden{display:none!important}.svg-chart{width:100%;height:240px;background:#fff;border:1px solid var(--line);border-radius:8px}.recording{border:2px solid #e27456}.actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:14px}@media(max-width:600px){.container{padding:20px 14px}.nav{padding:11px 14px}.nav-links{gap:3px}.nav-links a{font-size:12px;padding:5px}.card{padding:15px}.hero{padding-top:12px}}