*{box-sizing:border-box}body{margin:0;background:#f4f6f9;color:#172033;font:14px/1.7 Arial,"Microsoft YaHei",sans-serif}.top{background:#fff;border-bottom:1px solid #e8ebf0}.w{max-width:1080px;margin:auto;padding:0 18px}.head{height:70px;display:flex;align-items:center;justify-content:space-between}.brand{font-size:24px;font-weight:800;color:#1769e0;text-decoration:none}.sub{color:#8a94a6;font-size:12px;margin-left:8px}.hero{padding:30px 0 20px}.search{display:flex;background:#fff;border:1px solid #dce2ea;border-radius:10px;padding:7px;box-shadow:0 6px 22px rgba(31,45,61,.06)}.search input[type=text]{flex:1;padding:12px 14px;border:0;outline:0;font-size:16px;min-width:0}.search button{background:#1769e0;color:#fff;border:0;border-radius:7px;padding:0 30px;font-weight:700;cursor:pointer}
 nav{display:flex;flex-wrap:wrap;gap:4px;margin:15px 0 20px}nav a,.related a{padding:8px 14px;text-decoration:none;color:#41516b;border-radius:7px}nav a:hover,.related a:hover{background:#eaf2ff;color:#1769e0}.box{background:#fff;border:1px solid #e2e7ee;border-radius:12px;padding:22px;box-shadow:0 5px 18px rgba(31,45,61,.035);margin-bottom:18px}.hd{font-size:18px;font-weight:800;padding-bottom:14px;border-bottom:1px solid #edf0f4;margin-bottom:10px}table{width:100%;border-collapse:collapse}td{padding:11px 8px;border-bottom:1px solid #eef1f5;vertical-align:top;word-break:break-word}td:first-child{width:190px;color:#68758a}.bad{color:#c0392b}.muted,.note{color:#7a8799}.related{margin-top:20px;padding-top:15px;border-top:1px solid #edf0f4}.related nav{display:inline;border:0;margin:0}.raw{white-space:pre-wrap;word-break:break-all;max-height:430px;overflow:auto;background:#f7f8fa;padding:12px;border-radius:8px}.scorecard{text-align:center;padding:18px 0 8px}.score-num{font-size:52px;line-height:1;font-weight:800;color:#1769e0}.score-num small{font-size:17px;color:#8994a5}.score-grade{font-size:18px;font-weight:700;margin:10px 0}.meter{height:9px;background:#edf1f6;border-radius:20px;max-width:430px;margin:12px auto;overflow:hidden}.meter i{display:block;height:100%;background:#1769e0;border-radius:20px}.score-label{font-weight:700}.scorecard table{text-align:left;margin-top:18px}.homegrid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.toolcard{display:block;background:#fff;border:1px solid #e2e7ee;border-radius:12px;padding:20px;text-decoration:none;color:#172033}.toolcard b{font-size:17px}.toolcard span{display:block;color:#7b8798;margin-top:6px}.foot{text-align:center;color:#98a1af;padding:25px 0 45px}
 @media(max-width:700px){.w{padding:0 12px}.head{height:58px}.sub{display:none}.hero{padding-top:18px}.search button{padding:0 18px}.box{padding:16px}.homegrid{grid-template-columns:1fr 1fr}td:first-child{width:120px}.score-num{font-size:44px}}@media(max-width:420px){.homegrid{grid-template-columns:1fr}}
 
.homehero{padding:28px 0 8px}.homehero h1{font-size:32px;line-height:1.25;margin:0 0 10px;color:#111c30}.homehero p{font-size:16px;color:#66758d;margin:0 0 20px;max-width:760px}
.toolgroup{margin:22px 0 30px}.toolgroup h2{font-size:20px;margin:0 0 5px}.groupdesc{color:#7a8799;margin:0 0 13px}.homegrid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.toolcard{display:block;min-height:108px;padding:18px;border:1px solid #e1e7ef;border-radius:12px;background:#fff;text-decoration:none;color:#172033;transition:.15s}.toolcard:hover{transform:translateY(-2px);border-color:#b8cef2;box-shadow:0 8px 22px rgba(31,69,130,.08)}.toolcard b{display:block;font-size:17px;margin-bottom:7px}.toolcard span{display:block;color:#78869c;font-size:13px}.toolcard em{font-style:normal;color:#1769e0;font-size:12px}.seo-copy{margin:30px 0}.seo-copy h2{font-size:20px}.seo-copy p{color:#68758a}.mainnav{border-top:1px solid #edf0f4;border-bottom:1px solid #edf0f4;padding:7px 0;margin:0 0 20px}
.breadcrumb{font-size:13px;color:#8793a6;margin:4px 0 14px}.breadcrumb a{color:#5f7190;text-decoration:none}
@media(max-width:900px){.homegrid{grid-template-columns:repeat(3,minmax(0,1fr))}.w{max-width:100%}}
@media(max-width:680px){.head{height:58px}.sub{display:none}.hero{padding:18px 0 12px}.homehero h1{font-size:25px}.homegrid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.toolcard{min-height:94px;padding:14px}.search{padding:5px}.search button{padding:0 18px}.mainnav{overflow-x:auto;flex-wrap:nowrap;white-space:nowrap}.mainnav a{padding:7px 10px}.box{padding:16px}.w{padding:0 12px}td:first-child{width:120px}}
@media(max-width:390px){.homegrid{grid-template-columns:1fr 1fr}.toolcard b{font-size:15px}.toolcard span{font-size:12px}}
.related-links{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.related-links a{display:inline-block;padding:6px 10px;background:#f5f7fa;border-radius:6px;text-decoration:none;color:#41516b}.related-links a:hover{background:#eaf2ff;color:#1769e0}
.apppc-summary{display:grid;grid-template-columns:repeat(4,1fr);background:#f7f7f8;margin:16px 0 22px;border-radius:6px;padding:28px 10px}
.apppc-summary>div{text-align:center;border-right:1px solid #e5e7eb}.apppc-summary>div:last-child{border-right:0}
.apppc-summary span{display:block;font-size:15px;margin-bottom:18px}.apppc-summary strong{font-size:30px;font-weight:500;color:#f4512a}
.apppc-table{overflow-x:auto;margin:12px 0 20px}.apppc-table table{min-width:900px;width:100%;border-collapse:collapse}
.apppc-table th,.apppc-table td{padding:11px 10px;border-bottom:1px solid #eef0f2;text-align:center;white-space:nowrap}
.apppc-table th:first-child,.apppc-table td:first-child{text-align:left}.apppc-intro{margin-top:28px;padding-top:20px;border-top:1px solid #eee}
.apppc-intro h2{font-size:18px;margin:18px 0 8px}.apppc-intro p{line-height:1.9;color:#555}
@media(max-width:720px){.apppc-summary{grid-template-columns:repeat(2,1fr);gap:20px 0}.apppc-summary>div:nth-child(2){border-right:0}.apppc-summary strong{font-size:25px}}

.apppc-charts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:24px 0}
.apppc-chart-card{background:#fff;border:1px solid #e8ebef;border-radius:4px;padding:18px 20px 14px;box-shadow:0 2px 8px rgba(20,40,70,.06)}
.apppc-chart-card h3{font-size:25px;margin:0 0 22px;font-weight:500;color:#111}
.apppc-chart-head{position:relative;min-height:66px;color:#666}.apppc-chart-head>span{display:block;font-size:14px;margin-bottom:3px}
.apppc-chart-head strong{font-size:30px;color:#222}.apppc-chart-head strong i{font-style:normal;color:#cfd3d8;margin-right:5px}
.apppc-chart-head em{position:absolute;left:130px;top:25px;max-width:260px;font-style:normal;font-size:13px;line-height:1.4;color:#666}
.apppc-svg{display:block;width:100%;height:190px;margin-top:4px}.apppc-svg .axis{stroke:#777;stroke-width:1}
.apppc-svg .area{fill:#eef5ff}.apppc-svg .trend{fill:none;stroke:#67a9ff;stroke-width:1.5;vector-effect:non-scaling-stroke}
.apppc-chart-foot{display:flex;justify-content:space-between;color:#666;font-size:13px;line-height:1.25}.apppc-chart-foot span:last-child{text-align:right}
.apppc-nochart{height:190px;display:flex;align-items:center;justify-content:center;background:#fafafa;color:#999;margin-top:4px}
@media(max-width:760px){.apppc-charts{grid-template-columns:1fr}.apppc-chart-head em{left:125px}.apppc-chart-card{padding:16px}.apppc-svg,.apppc-nochart{height:165px}}

/* v18.5 unified tool-page UI */
.box{background:#fff;border:1px solid #e8edf3;border-radius:10px;box-shadow:0 3px 14px rgba(31,55,85,.055);padding:0 22px 22px;margin:18px 0 26px}
.box>.hd{margin:0 -22px 20px;padding:17px 22px;border-bottom:1px solid #edf1f5;font-size:18px;font-weight:600;color:#172b4d;background:linear-gradient(180deg,#fff,#fbfcfe);border-radius:10px 10px 0 0}
.box table{width:100%;border-collapse:separate;border-spacing:0;border:1px solid #edf1f5;border-radius:7px;overflow:hidden;background:#fff}
.box table tr:nth-child(even) td{background:#fafbfd}.box table td,.box table th{padding:12px 14px;border-bottom:1px solid #edf1f5;vertical-align:top}
.box table tr:last-child td{border-bottom:0}.box table td:first-child{color:#64748b;width:28%}.box table td:last-child{color:#172b4d}
.box details{margin:16px 0;border:1px solid #e8edf3;border-radius:7px;background:#fff}.box details>summary{cursor:pointer;padding:13px 15px;font-weight:600;color:#334155}
.scorecard{border:1px solid #e8edf3;border-radius:10px;padding:20px;background:#fff;margin:10px 0 18px}
.related{margin-top:28px;padding-top:18px;border-top:1px solid #edf1f5}.related b{color:#475569}.related-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.related-links a{display:inline-flex;padding:7px 11px;border:1px solid #e5eaf0;border-radius:6px;background:#fff;color:#4169a1;text-decoration:none}.related-links a:hover{background:#f7f9fc}
.bad{padding:12px 14px;border:1px solid #f1d5d5;border-radius:7px;background:#fffafa;color:#b42318}.muted{color:#7b8794}
.search{background:#fff;border:1px solid #e8edf3;border-radius:10px;box-shadow:0 3px 14px rgba(31,55,85,.045)}
@media(max-width:720px){.box{padding:0 14px 16px;border-radius:8px}.box>.hd{margin:0 -14px 16px;padding:14px;font-size:16px}.box table td,.box table th{padding:10px 9px}.box table td:first-child{width:38%}}

.recent-block,.recent-projects{margin-top:28px;padding-top:18px;border-top:1px solid #edf1f5}
.recent-block h3,.recent-projects h3{font-size:17px;margin:0 0 12px;color:#334155}
.recent-links{display:flex;flex-wrap:wrap;gap:8px}
.recent-links a{display:inline-flex;padding:7px 11px;border:1px solid #e5eaf0;border-radius:6px;background:#f8fafc;color:#4169a1;text-decoration:none}
.recent-links a:hover{background:#f1f5f9}
.recent-project-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.recent-project{border:1px solid #e8edf3;border-radius:8px;padding:14px;background:#fbfcfe}
.recent-project h4{font-size:14px;margin:0 0 10px;color:#475569}
@media(max-width:720px){.recent-project-grid{grid-template-columns:1fr}.recent-links a{font-size:13px;padding:6px 9px}}

.recent-simple{margin-top:28px;padding:16px 0;border-top:1px solid #edf1f5;color:#64748b;font-size:14px;line-height:2}
.recent-line b{color:#475569;margin-right:4px}.recent-line a{color:#4169a1;text-decoration:none}.recent-line a:hover{text-decoration:underline}
@media(max-width:720px){.recent-simple{font-size:13px;line-height:2.1}}
.meter progress{display:block;width:100%;height:9px;border:0;appearance:none;background:#edf1f6}
.meter progress::-webkit-progress-bar{background:#edf1f6;border-radius:20px}
.meter progress::-webkit-progress-value{background:#1769e0;border-radius:20px}
.meter progress::-moz-progress-bar{background:#1769e0;border-radius:20px}
.table-scroll{overflow:auto}
.tdk-form{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.tdk-form input,.tdk-form select,.tdk-form button{min-height:40px;border:1px solid #dce2ea;border-radius:7px;padding:8px 10px;background:#fff}
.tdk-form .tdk-url{min-width:min(100%,320px);flex:1}
.tdk-form .custom-ua{min-width:min(100%,360px);flex:1}
.tdk-form .is-hidden{display:none}
.tdk-form button{background:#1769e0;color:#fff;border-color:#1769e0;font-weight:700;cursor:pointer}
.site-logo{width:28px;height:28px;display:block;margin-right:9px}
.brand-wrap{display:flex;align-items:center;text-decoration:none}

.tool-landing{margin-top:28px}
.tool-hero{padding:30px 32px;border:1px solid #dfe6ef;border-radius:12px;background:#fff}
.tool-kicker{font-size:13px;font-weight:700;color:#1769e0;margin-bottom:8px}
.tool-hero h1{font-size:30px;line-height:1.25;margin:0 0 12px;color:#102033}
.tool-hero p{max-width:760px;font-size:16px;line-height:1.8;color:#52657a;margin:0}
.tool-action-note{display:inline-block;margin-top:18px;padding:9px 13px;border-radius:7px;background:#eef5ff;color:#1457b7;font-size:14px}
.landing-section{margin-top:22px;padding:24px 28px;background:#fff;border:1px solid #e2e8f0;border-radius:10px}
.landing-section h2{font-size:20px;margin:0 0 15px;color:#142338}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.feature-item{padding:15px 16px;border-radius:8px;background:#f7f9fc;color:#33475b;line-height:1.6}
.landing-copy p,.landing-copy{font-size:15px;line-height:1.85;color:#5b6b7d}
.landing-related{display:flex;flex-wrap:wrap;gap:9px}
.landing-related a{padding:9px 12px;border:1px solid #dce5ef;border-radius:7px;background:#f8fafc;text-decoration:none}
@media(max-width:700px){.tool-hero{padding:22px 20px}.tool-hero h1{font-size:25px}.landing-section{padding:20px}.feature-grid{grid-template-columns:1fr}}

.tool-info{margin-top:28px}
.tool-info-head{padding:30px 32px;border:1px solid #dfe6ef;border-radius:12px;background:#fff}
.tool-info-head h1,.tool-info-head h2{margin:0 0 12px;color:#102033;line-height:1.3}
.tool-info-head h1{font-size:30px}.tool-info-head h2{font-size:22px}
.tool-info-head p{max-width:820px;margin:0;color:#52657a;line-height:1.8}
.tool-info-result{margin-top:26px;padding-top:6px;border-top:1px solid #e4e9f0}
.tool-info-result .tool-info-head{border:0;padding:18px 0 4px;background:transparent}
.tool-info-result .landing-section{padding-left:0;padding-right:0;border:0;border-radius:0;background:transparent;border-top:1px solid #edf0f4}
@media(max-width:700px){.tool-info-head{padding:22px 20px}.tool-info-result .tool-info-head{padding-left:0;padding-right:0}}

.related-box,.recent-box{margin-top:22px}
.related-groups{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;padding:18px 22px 22px}
.related-group{min-width:0}
.related-group h3{font-size:14px;margin:0 0 10px;color:#53657a}
.related-group .related{display:flex;flex-wrap:wrap;gap:8px}
.related-group .related a,.recent-links a{display:inline-block;padding:7px 10px;border:1px solid #e0e6ee;border-radius:6px;background:#fff;text-decoration:none;line-height:1.35}
.recent-links{display:flex;flex-wrap:wrap;gap:8px;padding:18px 22px 22px}
@media(max-width:760px){.related-groups{grid-template-columns:1fr}.related-groups,.recent-links{padding:15px}}

/* v20.9.2 result extras */
.related-box{margin-top:22px}
.related-groups{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;padding:18px 22px 22px}
.related-group h3{font-size:14px;margin:0 0 10px;color:#53657a}
.related-group .related{display:flex;flex-wrap:wrap;gap:8px}
.related-group .related a{display:inline-block;padding:7px 10px;border:1px solid #e0e6ee;border-radius:6px;background:#fff;text-decoration:none}
.recent-query-line{margin-top:18px;padding:12px 2px;color:#718096;font-size:14px;line-height:2}
.recent-query-title{margin-right:8px;color:#53657a}
.recent-query-line a{display:inline;margin-right:14px;padding:0;border:0;background:transparent;border-radius:0;text-decoration:none;white-space:nowrap}
.recent-query-line a:hover{text-decoration:underline}
@media(max-width:760px){.related-groups{grid-template-columns:1fr;padding:15px}}