/* 49 · 偏光非偏光区别 —— 冷湖蓝「A/B 光学对照台」：双镜片母题、等宽数字、横向矩阵 */
.psg{
  --ink:#182c38; --sub:#667f8c; --card:#ffffff; --line:#d9e6ec;
  --pri:#0d7c96; --pri-soft:#e6f5f8; --ok:#147f6b; --warn:#b47a1c; --bad:#c04c52; --bg:#f1f7f9;
  --ps-font:"Segoe UI","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --ps-num:"Segoe UI Variable Text","Bahnschrift",ui-monospace,monospace;
  color:var(--ink);background:var(--bg);font-family:var(--ps-font);
  font-size:14.5px;line-height:1.78;padding:28px 16px 62px;
}
:root[data-theme="dark"] .psg{
  --ink:#e6f2f6; --sub:#98b2bd; --card:#182630; --line:#2b4150;
  --pri:#5ec8e0; --pri-soft:#173b48; --ok:#79d0b5; --warn:#e3bb73; --bad:#ff9298; --bg:#101a21;
}
.psg-wrap{max-width:1120px;margin:0 auto;}
.psg *{box-sizing:border-box;}
.psg h1,.psg h2,.psg h3{margin:0;}
.psg b{color:var(--pri);font-weight:700;}
.psg-hero{
  display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,.85fr);gap:30px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:18px;
  padding:32px 34px;box-shadow:0 12px 32px rgba(13,124,150,.09);
  border-top:5px solid var(--pri);
}
.psg-badge{font:700 11.5px var(--ps-num);letter-spacing:1.6px;text-transform:uppercase;color:var(--pri);}
.psg-hero h1{font-size:31px;line-height:1.3;font-weight:800;letter-spacing:-.4px;margin:12px 0 12px;}
.psg-hero h1 em{display:block;font-style:normal;font-size:16px;font-weight:600;color:var(--sub);letter-spacing:0;margin-top:6px;}
.psg-hero p{max-width:720px;margin:0;line-height:1.9;}
.psg-hero-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.psg-hero-meta span{font:600 11.5px var(--ps-num);letter-spacing:.6px;color:var(--sub);background:var(--bg);border:1px solid var(--line);padding:5px 12px;border-radius:4px;}
.psg-hero-view{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.psg-lens{height:132px;border-radius:14px;border:1px solid var(--line);display:flex;flex-direction:column;justify-content:flex-end;align-items:center;padding-bottom:12px;overflow:hidden;position:relative;}
.psg-lens span{font:600 11px var(--ps-num);z-index:1;background:rgba(255,255,255,.88);color:#20333d;border-radius:4px;padding:3px 8px;}
.psg-lens i{position:absolute;inset:0;background:repeating-linear-gradient(160deg,rgba(255,255,255,.05) 0 8px,rgba(255,255,255,.28) 8px 12px);}
.psg-lens-a{background:linear-gradient(140deg,#7f9aa8,#456472);}
.psg-lens-a i{opacity:.75;}
.psg-lens-b{background:linear-gradient(140deg,#1c8ca6,#0b4c62);}
.psg-lens-b i{background:repeating-linear-gradient(90deg,transparent 0 10px,rgba(10,34,44,.85) 10px 13px);opacity:.85;}
.psg-card,.psg-panel,.psg-empty{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px 26px;margin-top:18px;box-shadow:0 2px 10px rgba(13,70,90,.05);}
.psg-card-h,.psg-h2{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:8px;border-bottom:1px solid var(--line);padding-bottom:11px;margin-bottom:18px;}
.psg-card-h h2{font-size:19px;font-weight:750;}
.psg-h2{font-size:17px;font-weight:750;}
.psg-card-tip,.psg-h2 span{font-size:12px;color:var(--sub);font-weight:500;}
.psg-compare{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.8fr);gap:24px;}
.psg-checks{display:flex;flex-direction:column;gap:10px;}
.psg-check{display:flex;gap:12px;align-items:flex-start;background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:11px 14px;cursor:pointer;transition:border-color .16s,background .16s;}
.psg-check:hover{border-color:var(--pri);}
.psg-check input{width:17px;height:17px;accent-color:var(--pri);margin-top:3px;flex:none;}
.psg-check span{font-size:13.5px;line-height:1.7;}
.psg-check em{display:block;font-style:normal;font-size:11.5px;color:var(--sub);margin-top:2px;}
.psg-check-note{font-size:12px;color:var(--sub);background:var(--pri-soft);border-radius:8px;padding:8px 12px;margin:4px 0 0;line-height:1.65;}
.psg-fields{display:flex;flex-direction:column;gap:13px;}
.psg-f{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:650;}
.psg-f select,.psg-ta{width:100%;font:500 14px var(--ps-font);color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:9px 11px;outline:none;transition:border-color .16s,box-shadow .16s;}
.psg-f select:hover,.psg-ta:hover{border-color:var(--pri);}
.psg-f select:focus,.psg-ta:focus{border-color:var(--pri);box-shadow:0 0 0 3px var(--pri-soft);}
.psg-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.psg-btn{font:650 13.5px var(--ps-font);color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:8px;padding:9px 18px;cursor:pointer;transition:transform .15s,border-color .15s,box-shadow .15s,background .15s;}
.psg-btn:hover:not(:disabled){transform:translateY(-1px);border-color:var(--pri);box-shadow:0 5px 14px rgba(13,124,150,.16);}
.psg-btn:disabled{opacity:.5;cursor:not-allowed;}
.psg-btn-main{background:var(--pri);border-color:var(--pri);color:#fff;}
.psg-btn-ghost{background:transparent;color:var(--sub);}
.psg-msg{font-size:12.5px;color:var(--sub);margin:12px 0 0;min-height:18px;}
.psg-empty{text-align:center;color:var(--sub);padding:42px 20px;}
.psg-empty-ic{display:block;font-size:30px;}
.psg-empty b{display:block;color:var(--ink);font-size:16px;color:var(--ink);}
.psg-empty em{display:block;font-style:normal;font-size:13px;margin-top:6px;}
.psg-verdict{display:grid;grid-template-columns:1.5fr .8fr .8fr;gap:14px;margin-top:18px;}
.psg-verdict-main,.psg-verdict-side{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;display:flex;flex-direction:column;gap:4px;}
.psg-verdict-main{background:linear-gradient(125deg,var(--pri),#0a5c75);border-color:transparent;color:#fff;}
.psg-verdict-main .k,.psg-verdict-main .s{font-size:12px;color:#d9f2f8;}
.psg-verdict-main strong{font-size:27px;line-height:1.3;}
.psg-verdict-side span{font-size:12px;color:var(--sub);}
.psg-verdict-side b{font-size:19px;}
.psg-test-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;}
.psg-test{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:14px;}
.psg-test h3{font-size:14px;margin-bottom:6px;}
.psg-test p{font-size:12.5px;color:var(--sub);margin:0;line-height:1.7;}
.psg-test .psg-state{display:inline-block;font:700 11px var(--ps-num);border-radius:4px;padding:2px 8px;margin-bottom:8px;}
.psg-state-ok{background:var(--pri-soft);color:var(--ok);}
.psg-state-no{background:rgba(192,76,82,.12);color:var(--bad);}
.psg-tw{overflow:auto;}
.psg-tb{width:100%;border-collapse:collapse;font-size:13px;min-width:600px;}
.psg-tb th,.psg-tb td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;}
.psg-tb th{background:var(--bg);font-size:11.5px;color:var(--sub);font-weight:700;}
.psg-tb tbody tr:hover{background:var(--pri-soft);}
.psg-tb tbody tr.psg-row-sel{background:var(--pri-soft);box-shadow:inset 3px 0 0 var(--pri);}
.psg-note{font-size:12.5px;color:var(--sub);background:var(--bg);border-left:3px solid var(--warn);border-radius:0 8px 8px 0;padding:10px 14px;margin:14px 0 0;line-height:1.7;}
.psg-ta{min-height:100px;resize:vertical;line-height:1.7;}
.psg-final{margin-top:20px;}
@media (max-width:860px){
  .psg{padding:18px 12px 48px;}
  .psg-hero{grid-template-columns:1fr;padding:22px 18px;}
  .psg-hero h1{font-size:26px;}
  .psg-hero-view{height:100px;}
  .psg-lens{height:100px;}
  .psg-compare,.psg-verdict,.psg-test-grid{grid-template-columns:1fr;}
  .psg-card,.psg-panel{padding:18px 16px;}
  .psg-card-h,.psg-h2{flex-direction:column;gap:3px;}
}