:root{
  --bg:#FAF9F5; --bg2:#F0EEE6; --ink:#1F1E1B; --ink2:#6B6760; --line:#E5E1D6;
  --clay:#D97757; --clay-d:#C2613F; --card:#FFFFFF;
  --chong:#C4593F; --wen:#C68A2E; --bao:#5E8A5A;
  --serif:"Songti SC",ui-serif,Georgia,"Times New Roman",serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.6;-webkit-font-smoothing:antialiased}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}

/* hero */
.hero{background:linear-gradient(180deg,var(--bg2),var(--bg));border-bottom:1px solid var(--line);padding:64px 0 52px}
.brand{display:flex;align-items:center;gap:9px;font-size:15px;letter-spacing:.04em;color:var(--clay-d);font-weight:600;margin-bottom:18px}
.brand .logo{width:30px;height:30px;flex-shrink:0}
.hero h1{font-family:var(--serif);font-weight:600;font-size:46px;line-height:1.15;letter-spacing:-.01em}
.hero h1 .hl{color:var(--clay)}
.hero .sub{margin-top:16px;color:var(--ink2);font-size:17px}
.usage{margin-top:16px;display:inline-block;font-size:13px;color:var(--ink2);background:var(--card);border:1px solid var(--line);border-radius:999px;padding:6px 15px}
.usage b{color:var(--clay-d);font-variant-numeric:tabular-nums}
.usage:empty{display:none}

main{padding:36px 0 80px}

/* input card */
.panel{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:0 1px 2px rgba(0,0,0,.03)}
.input-card{display:flex;flex-wrap:wrap;gap:18px 22px;align-items:flex-end}
.field{display:flex;flex-direction:column;gap:8px}
.field.grow{flex:1 1 280px}
.field label{font-size:13px;color:var(--ink2);font-weight:500}
.field input[type=number],.field input[type=text]{
  font-family:var(--sans);font-size:16px;padding:11px 14px;border:1px solid var(--line);
  border-radius:11px;background:var(--bg);color:var(--ink);min-width:140px;transition:.15s}
.field input:focus{outline:none;border-color:var(--clay);background:#fff;box-shadow:0 0 0 3px rgba(217,119,87,.12)}
#score{width:160px;font-variant-numeric:tabular-nums}

.seg{display:flex;gap:8px}
.seg label{position:relative;cursor:pointer}
.seg input{position:absolute;opacity:0}
.seg span{display:inline-block;padding:10px 18px;border:1px solid var(--line);border-radius:11px;background:var(--bg);font-size:15px;transition:.15s}
.seg input:checked+span{background:var(--clay);color:#fff;border-color:var(--clay)}

.chips,.tierchip{user-select:none}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.tierchip{padding:9px 15px;border:1px solid var(--line);border-radius:999px;font-size:14px;cursor:pointer;background:var(--bg);transition:.15s}
.tierchip.on{background:var(--ink);color:#fff;border-color:var(--ink)}

button.primary{font-family:var(--sans);font-size:16px;font-weight:600;color:#fff;background:var(--clay);
  border:none;border-radius:12px;padding:13px 26px;cursor:pointer;transition:.15s}
button.primary:hover{background:var(--clay-d)}
button.primary:disabled{opacity:.6;cursor:default}
button.ghost{background:#fff;color:var(--clay-d);border:1px solid var(--clay)}
button.ghost:hover{background:#FBF1EC;color:var(--clay-d)}

.hide{display:none}

/* rank line */
.rankline{margin:30px 0 18px;font-size:18px;background:var(--bg2);border:1px solid var(--line);border-radius:14px;padding:16px 20px}
.rankline b{color:var(--clay-d);font-variant-numeric:tabular-nums}
.muted{color:var(--ink2);font-size:14px}

/* columns */
.cols{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.col{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px}
.col-head{display:flex;align-items:center;gap:9px;font-family:var(--serif);font-size:22px;font-weight:600;margin-bottom:4px}
.col-head .dot{width:11px;height:11px;border-radius:50%}
.col-head .cnt{margin-left:auto;font-family:var(--sans);font-size:13px;color:var(--ink2);font-weight:500;background:var(--bg2);padding:2px 9px;border-radius:999px}
.col-chong .dot{background:var(--chong)} .col-wen .dot{background:var(--wen)} .col-bao .dot{background:var(--bao)}
.col-desc{font-size:13px;color:var(--ink2);margin-bottom:14px}

.cardItem{border:1px solid var(--line);border-radius:12px;padding:12px 13px;margin-bottom:9px;background:var(--bg);transition:.15s}
.cardItem:hover{background:#fff;border-color:#D8D2C4}
.ci-head{display:flex;align-items:center;gap:7px;flex-wrap:wrap}
.ci-name{font-weight:600;font-size:15px}
.ci-meta{font-size:12.5px;color:var(--ink2);margin-top:5px}
.ci-meta b{color:var(--ink);font-variant-numeric:tabular-nums}

.badge{font-size:11px;padding:2px 7px;border-radius:6px;font-weight:600}
.b985{background:#F3E2DB;color:#A2452B} .b211{background:#E7EDF3;color:#3A5A7A}
.bsy{background:#EAF1E7;color:#456B3F} .bpt{background:#EEECE5;color:#76716A}
.bwadi{background:#FBEFD6;color:#9A6B14;border:1px solid #EAD49A}
.empty,.more{font-size:12.5px;color:var(--ink2);padding:6px 2px}
.more{text-align:center;margin-top:4px}

/* ai */
.ai-section{margin-top:30px}
#aiBox{margin-top:18px}
.thinking{color:var(--ink2);font-size:15px;padding:16px;display:flex;align-items:center;gap:11px;background:var(--card);border:1px solid var(--line);border-radius:14px}
.spinner{width:18px;height:18px;border:2.5px solid var(--bg2);border-top-color:var(--clay);border-radius:50%;animation:spin .8s linear infinite;flex-shrink:0}
@keyframes spin{to{transform:rotate(360deg)}}
.thinking .tmr{margin-left:auto;font-variant-numeric:tabular-nums;color:var(--clay-d);font-weight:600}
.ai-md{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--clay);border-radius:14px;padding:22px 24px;font-size:15.5px}
.ai-md h3{font-family:var(--serif);font-size:20px;margin:16px 0 8px} .ai-md h4{font-size:16px;margin:14px 0 6px;color:var(--clay-d)}
.ai-md p{margin:9px 0} .ai-md ul{margin:8px 0 8px 20px} .ai-md li{margin:4px 0}
.ai-md b,.ai-md strong{color:var(--ink)}
.ai-md table{border-collapse:collapse;width:100%;margin:14px 0;font-size:14px;overflow:hidden;border-radius:10px;border:1px solid var(--line)}
.ai-md th,.ai-md td{border-bottom:1px solid var(--line);border-right:1px solid var(--line);padding:9px 12px;text-align:left;vertical-align:top;line-height:1.55}
.ai-md th:last-child,.ai-md td:last-child{border-right:none}
.ai-md tbody tr:last-child td{border-bottom:none}
.ai-md thead th{background:var(--bg2);font-weight:600;color:var(--ink);white-space:nowrap}
.ai-md tbody tr:nth-child(even){background:var(--bg)}
.ai-md code{background:var(--bg2);padding:1px 6px;border-radius:5px;font-size:13px}
.err{color:#A2452B;background:#F8ECE7;border-radius:12px;padding:14px 16px;font-size:14.5px}

.disclaimer{margin-top:40px;font-size:12.5px;color:var(--ink2);line-height:1.7;border-top:1px solid var(--line);padding-top:18px}

/* report area (用于图片导出) */
#reportArea{background:var(--bg);padding:26px 24px;border:1px solid var(--line);border-radius:18px;margin-top:24px}
.report-head{display:flex;justify-content:space-between;align-items:flex-start;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:4px}
.rh-title{font-family:var(--serif);font-size:26px;font-weight:600}
.rh-sub{color:var(--ink2);font-size:14px;margin-top:5px}
.rh-mark{color:var(--clay-d);font-weight:600;font-size:13px;letter-spacing:.05em}
#reportArea .rankline{margin-top:18px}
.ai-title{font-family:var(--serif);font-size:20px;font-weight:600;margin:28px 0 4px;color:var(--clay-d)}
.report-foot{display:flex;justify-content:space-between;align-items:center;gap:18px;border-top:1px solid var(--line);margin-top:26px;padding-top:16px}
.foot-text{font-size:11.5px;color:var(--ink2);line-height:1.6}
.qr-wrap{display:flex;align-items:center;gap:9px;flex-shrink:0;text-align:left}
.qr-wrap img{width:74px;height:74px;border:1px solid var(--line);border-radius:8px;background:#fff;display:block}
.qr-wrap span{font-size:11px;color:var(--ink2);line-height:1.4}
.actions{display:flex;gap:12px;margin-top:18px;flex-wrap:wrap}

@media(max-width:760px){
  .hero h1{font-size:34px} .cols{grid-template-columns:1fr} .input-card{gap:16px}
  #score{width:100%}
}