:root{--ink:#183a38;--muted:#737e7a;--line:#e1e5dd;--paper:#f4f5ef;--white:#fff;--accent:#c16d37;--green:#217361}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:14px/1.6 'Segoe UI','Microsoft YaHei',sans-serif}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline}button,input,select{font:inherit}button,.button{cursor:pointer;border:1px solid transparent;border-radius:7px;padding:10px 18px;display:inline-flex;align-items:center;justify-content:center;font-weight:600;white-space:nowrap}.primary{background:var(--ink);color:white}.primary:hover{background:#29544f;text-decoration:none}.secondary{background:#edf1e9;border-color:#d6ded4;color:var(--ink)}.plain{background:none;padding:0;color:var(--muted);font-weight:400}.top{height:80px;border-bottom:1px solid var(--line);padding:0 4.5%;display:flex;align-items:center;justify-content:space-between;background:#fafbf7}.brand{display:flex;align-items:center;gap:12px;font-size:21px;font-weight:700}.brand small{font-size:13px;font-weight:400;margin-left:8px;letter-spacing:1px}.mark{width:36px;height:38px;background:var(--ink);color:white;display:grid;place-items:center;border-radius:7px;font:700 27px Georgia,serif}.top nav{display:flex;gap:24px;align-items:center}.top nav form{margin:0}main{max-width:1440px;margin:auto;padding:44px 4.5% 50px}.heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:28px}h1{font-size:36px;letter-spacing:-1px;line-height:1.3;margin:10px 0 12px;font-weight:650}h2{font-size:19px;line-height:1.4;margin:0 0 10px;font-weight:650}h3{font-size:15px}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:700;color:var(--green)}p{margin:8px 0 16px}.muted{color:var(--muted)}.small,small{font-size:12px}.block{display:block}.panel{background:var(--white);border:1px solid var(--line);border-radius:11px;padding:26px;margin-bottom:24px}.version-form{display:flex;gap:20px;align-items:end;margin-bottom:12px}.version-form>div:not(.versus){flex:1}.version-form .subtle{padding:11px 0}.versus{padding-bottom:11px;color:var(--muted);font-size:12px}label{display:block;font-size:12px;color:var(--muted);margin-bottom:7px;font-weight:600}input,select{width:100%;padding:10px 12px;background:#fafbf8;border:1px solid #d5ddd4;border-radius:6px;min-height:42px;color:var(--ink)}input:focus,select:focus,button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid #649a80;outline-offset:3px}input[type=file]{font-size:12px;margin-bottom:16px}.source-line{font-size:12px;color:var(--muted);display:flex;justify-content:space-between;gap:12px;margin:0 2px 26px;overflow-wrap:anywhere}.notice{background:#fbefda;border:1px solid #e8d7b4;border-radius:7px;padding:14px 18px;margin:16px 0 24px;color:#795a30}.metric-grid{display:grid;grid-template-columns:1fr 1fr 1.4fr;gap:20px;margin-bottom:26px}.metric{background:var(--white);border:1px solid var(--line);border-radius:10px;padding:24px}.metric-label{font-size:13px;color:var(--muted)}.metric-number{font-size:46px;font-weight:600;letter-spacing:-1px;line-height:1.2;margin:14px 0 18px;font-variant-numeric:tabular-nums}.metric-number small{font-size:14px;color:var(--muted);margin-left:8px}.metric-bottom{display:flex;justify-content:space-between;gap:10px;font-size:12px}.metric-bottom span{color:var(--muted)}.increase{color:#b65a36}.decrease{color:#277a64}.change-totals{display:grid;grid-template-columns:repeat(4,1fr);margin:20px 0 12px;gap:8px}.change-totals a{display:flex;flex-direction:column}.change-totals b{font-size:30px;font-weight:600;line-height:1.4}.change-totals span{font-size:12px;color:var(--muted)}.change-metric{background:#edf2e9}.two-columns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.section-title{display:flex;justify-content:space-between;align-items:start;gap:12px}.badge{display:inline-block;border-radius:5px;padding:3px 8px;background:#edf1e9;font-size:11px;white-space:nowrap}.subtle{color:var(--green);font-size:12px}.table-scroll{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:13px}th{text-align:left;font-size:11px;white-space:nowrap;color:var(--muted);font-weight:500;padding:12px 9px;border-bottom:1px solid var(--line)}td{padding:13px 9px;vertical-align:top;border-bottom:1px solid #edf0e9;overflow-wrap:anywhere}td.num,th.num{text-align:right;white-space:nowrap;font-variant-numeric:tabular-nums}.rank{color:var(--muted);width:32px}meter{display:block;width:90px;height:4px;margin-top:6px;border:0;background:#e5ede4}meter::-webkit-meter-bar{background:#e5ede4;border:0}meter::-webkit-meter-optimum-value{background:#7eaa8e}meter::-moz-meter-bar{background:#7eaa8e}.rankings .table-scroll{max-height:590px}thead{position:sticky;top:0;background:white}.filters{display:flex;gap:12px;align-items:end;padding:18px 0 24px}.filters>div{flex:1;min-width:100px}.filters select{font-size:12px}.change{border-top:1px solid var(--line)}summary{cursor:pointer}.change>summary{list-style:none;display:flex;align-items:center;gap:15px;padding:17px 0}.change>summary::-webkit-details-marker{display:none}.tag{padding:4px 9px;border-radius:5px;background:#eee8db;color:#856b34;font-size:11px;white-space:nowrap}.tag.added{background:#e5f1e9;color:#28725b}.tag.removed{background:#f7e8e0;color:#aa5838}.tag.modified{background:#e6ecf8;color:#5275a3}.change-name{min-width:190px}.change-name strong{font-size:13px}.change-name span{display:block;font-size:11px;color:var(--muted);overflow-wrap:anywhere}.change-description{flex:1;color:var(--muted);font-size:12px}.change>summary>.muted{font-size:11px}.change-body{padding:6px 16px 20px;background:#fafbf8;border-radius:7px}.change-body td{max-width:360px;white-space:pre-wrap}.raw{margin:12px 0}.raw summary{font-size:12px;color:var(--green)}.raw-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 25px}.raw-fields>div{display:grid;grid-template-columns:110px 1fr;gap:12px;padding:8px 0;border-bottom:1px solid var(--line);font-size:12px}.raw-fields dt{color:var(--muted)}.raw-fields dd{margin:0;white-space:pre-wrap;overflow-wrap:anywhere}.pagination{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-top:20px}.pagination a{margin-left:20px;color:var(--green)}.job{display:flex;gap:16px;padding:12px 0;border-bottom:1px solid var(--line);font-size:12px}.job .muted{flex:1}.empty{text-align:center;padding:50px 20px}.login{max-width:460px;margin:70px auto 100px;background:white;border:1px solid var(--line);border-radius:12px;padding:40px}.login h1{font-size:30px}.login form{margin-top:28px}.login input{margin-bottom:18px}.wide{width:100%}.login .small{margin-top:22px;margin-bottom:0}.error{color:#ad442e}footer{max-width:1440px;margin:auto;border-top:1px solid var(--line);padding:24px 4.5%;display:flex;justify-content:space-between;font-size:11px;color:var(--muted)}@media(max-width:1050px){.two-columns{grid-template-columns:1fr}.metric-grid{grid-template-columns:1fr 1fr}.change-metric{grid-column:span 2}.version-form{flex-wrap:wrap}.version-form>div:not(.versus){min-width:210px}.source-line{display:block}.source-line span{display:block;margin-top:4px}}@media(max-width:600px){.top{height:66px;padding:0 20px}.brand{font-size:19px}.brand small{display:none}.top nav{gap:15px;font-size:12px}main{padding:30px 18px}.heading{display:block}h1{font-size:29px}.heading>.button{margin-top:12px}.panel{padding:18px;border-radius:8px}.version-form{gap:12px}.versus{display:none}.version-form>div:not(.versus){min-width:100%;width:100%}.metric-grid{gap:12px}.metric{padding:18px}.metric-number{font-size:35px}.metric-bottom{display:block}.metric-bottom strong{display:block;margin-top:4px}.change-totals b{font-size:27px}.filters{display:grid;grid-template-columns:1fr 1fr}.filters button{grid-column:span 2}.change>summary{gap:10px;flex-wrap:wrap}.change-name{min-width:0;flex:1}.change-description{flex-basis:80%;padding-left:45px}.raw-fields{grid-template-columns:1fr}.raw-fields>div{grid-template-columns:90px 1fr}.job{flex-wrap:wrap;gap:6px 12px}.job>.muted{flex-basis:100%}.login{padding:25px;margin:35px auto}.source-line{font-size:11px}footer{padding:20px;display:block}footer span{display:block;margin-top:5px}}
/* Keep long record identifiers readable in narrow WeChat browser viewports. */
@media(max-width:600px){
  .change>summary{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:8px 12px;align-items:start}
  .change>summary>.tag{grid-column:1;grid-row:1}
  .change>summary>.change-name{grid-column:2;grid-row:1;min-width:0}
  .change>summary>.change-description{grid-column:2/4;grid-row:2;padding-left:0}
  .change>summary>.muted{grid-column:3;grid-row:1}
  .rank{white-space:nowrap}
}
/* Category navigation and independent ranking filters. */
.category-tabs{display:flex;gap:24px;margin:8px 0 22px;border-bottom:1px solid var(--line)}
.category-tab{display:block;padding:13px 5px;color:var(--muted);border-bottom:3px solid transparent;font-weight:600}
.category-tab.active{color:var(--ink);border-bottom-color:var(--green)}
.category-tab:hover{text-decoration:none;color:var(--green)}
.category-metrics{grid-template-columns:minmax(0,1fr) minmax(0,2fr)}
.ranking-filters{padding-top:12px}
.ranking-filters>div{max-width:280px}
.ranking-filters .rank-changed{margin:0 0 0 auto;min-height:42px;white-space:nowrap;font-size:12px}
@media(max-width:600px){.ranking-filters>div{max-width:none}.ranking-filters .rank-changed{grid-column:1 / -1;justify-self:end}}
@media(max-width:600px){.category-metrics{grid-template-columns:1fr}.category-metrics .change-metric{grid-column:auto}.ranking-filters{grid-template-columns:1fr 1fr}}
.mapping-search{max-width:520px;margin:18px 0 24px}
.ranking-total{background:#edf2e9;font-weight:700}.ranking-total th{color:var(--ink);font-size:13px}.ranking-total td{border-top:1px solid var(--line)}
#changes[aria-busy="true"] .changes-list,#changes[aria-busy="true"] .pagination{visibility:hidden}
.rankings table{min-width:640px}
.change>summary .when-open{display:none}.change[open]>summary .when-open{display:inline}.change[open]>summary .when-closed{display:none}
.raw-title{font-size:12px;color:var(--green);margin:14px 0 8px}
.settings-form{max-width:720px}.settings-form input:not([type=hidden]):not([type=checkbox]){margin-bottom:18px}.check-row{display:flex;align-items:center;gap:10px;margin:18px 0 24px;color:var(--ink);font-size:14px}.check-row input{width:18px;min-height:18px;flex:none;padding:0;margin:0}
.mapping-row{display:grid;grid-template-columns:minmax(200px,2fr) minmax(120px,1fr) minmax(120px,1fr) auto;gap:12px;align-items:end;padding:14px 0;border-bottom:1px solid var(--line)}
.mapping-row[hidden]{display:none}.mapping-row label{margin:0}.mapping-row input{margin-top:6px}.mapping-row button{min-height:42px}
@media(max-width:750px){.mapping-row{grid-template-columns:1fr 1fr}.mapping-row label:first-of-type{grid-column:1 / -1}.mapping-row button{grid-column:1 / -1}}

.volume-movement{display:flex;flex-wrap:wrap;gap:8px 24px;margin-top:12px;font-size:12px}.change-totals b small{font-size:12px;font-weight:400;color:var(--muted);margin-left:4px}#changes{scroll-margin-top:20px}