:root{--bg:#07090d;--panel:#11151d;--panel2:#151a23;--line:#252b36;--text:#f4f6f8;--muted:#8d96a5;--green:#34d399;--orange:#f59e0b;--red:#fb5b64;--blue:#4f7cff;--cyan:#44d7e8;--purple:#a879ff;--radius:18px}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 14% -10%,#17213c 0,transparent 34%),var(--bg);color:var(--text);font:14px/1.5 Inter,"PingFang SC","Microsoft YaHei",sans-serif;min-height:100vh}a{color:inherit;text-decoration:none}button,select,input{font:inherit}.shell{max-width:1440px;margin:auto;padding:28px 36px 48px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:42px}.brand{display:flex;align-items:center;gap:12px;font-weight:700}.brand-mark{width:32px;height:32px;border-radius:10px;background:linear-gradient(135deg,var(--blue),var(--purple));display:grid;place-items:center;box-shadow:0 0 28px #4f7cff55}.back{color:var(--muted);transition:.2s}.back:hover{color:#fff}.eyebrow{color:var(--cyan);font-size:12px;letter-spacing:.16em;text-transform:uppercase}.hero{padding:52px 0 42px}.hero h1{font-size:clamp(36px,5vw,68px);line-height:1.08;letter-spacing:-.045em;margin:14px 0 20px;max-width:980px}.hero p{color:var(--muted);font-size:17px;max-width:680px}.feature-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}.feature{grid-column:span 2;min-height:220px;padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(145deg,#151a23,#0e1219);position:relative;overflow:hidden;transition:.25s}.feature:nth-child(4),.feature:nth-child(5){grid-column:span 3}.feature.active:hover{transform:translateY(-4px);border-color:#465064;box-shadow:0 18px 45px #0008}.feature-icon{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:#ffffff0a;border:1px solid #ffffff12;font-size:20px}.feature h3{font-size:20px;margin:42px 0 8px}.feature p{color:var(--muted);margin:0}.feature .arrow{position:absolute;right:24px;top:24px;color:var(--muted);font-size:20px}.feature.disabled{opacity:.58}.tag{display:inline-flex;padding:4px 9px;border-radius:99px;background:#ffffff10;border:1px solid #ffffff18;color:#b9c1ce;font-size:11px;margin-left:8px}.page-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:24px}.page-head h1{margin:6px 0 0;font-size:32px;letter-spacing:-.025em}.timestamp{color:var(--muted);font-size:12px}.filters{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin-bottom:18px}.filter-row{display:grid;grid-template-columns:110px repeat(5,minmax(120px,1fr));gap:12px;align-items:end}.filter-row+.filter-row{margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}.filter-label{font-weight:650;padding-bottom:10px}.field label{display:block;color:var(--muted);font-size:11px;margin:0 0 6px}.field select,.field 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currentColor}.good{color:var(--green)}.warn{color:var(--orange)}.bad{color:var(--red)}.main-value{font-size:36px;font-weight:760;letter-spacing:-.035em;margin:25px 0 16px}.compare{font-size:12px;margin-left:10px;white-space:nowrap}.submetrics{display:flex;gap:18px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:14px}.submetric span{display:block;color:var(--muted);font-size:11px}.submetric b{font-size:15px}.bar-list{display:grid;gap:9px;margin-top:18px}.bar-row{display:grid;grid-template-columns:88px 1fr 50px;gap:9px;align-items:center;font-size:12px}.bar{height:7px;background:#202631;border-radius:9px;overflow:hidden}.bar i{display:block;height:100%;border-radius:9px;background:linear-gradient(90deg,var(--blue),var(--cyan))}.empty{display:grid;place-items:center;color:var(--muted);height:120px}.tabs{display:flex;gap:4px;padding:4px;background:#0b0e14;border:1px solid var(--line);border-radius:11px;width:max-content}.tab{border:0;background:none;color:var(--muted);padding:8px 20px;border-radius:8px;cursor:pointer}.tab.active{background:#202735;color:#fff}.online-toolbar{display:flex;justify-content:space-between;align-items:center}.quality-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.quality-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px}.quality-head{display:flex;justify-content:space-between;align-items:center}.quality-head h3{margin:0;font-size:16px}.usage{font-size:24px;font-weight:750}.radar{width:100%;aspect-ratio:1.25;margin-top:10px}.legend{display:flex;gap:14px;color:var(--muted);font-size:11px}.legend i{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:5px}.footnote{color:var(--muted);font-size:12px;margin-top:20px}@media(max-width:900px){.shell{padding:22px 18px}.feature-grid,.metric-grid,.quality-grid{grid-template-columns:1fr}.feature,.feature:nth-child(4),.feature:nth-child(5){grid-column:auto}.filter-row{grid-template-columns:1fr 1fr}.filter-label{grid-column:1/-1}.summary-strip{grid-template-columns:1fr 1fr}.page-head{align-items:start;flex-direction:column}}@media(max-width:520px){.summary-strip,.filter-row{grid-template-columns:1fr}.hero{padding-top:25px}.hero h1{font-size:38px}}