:root{
    --bg:#f5f7fb; --panel:#ffffff; --panel2:#f2f5fa;
    --border:#e5eaf3; --border2:#d4dcea;
    --text:#202a3a; --muted:#67748a; --muted2:#9aa6b8;
    --blue:#2563eb; --blue2:#4f8cff;
    --grad:linear-gradient(135deg,#2563eb,#4f8cff);
    --gold:#f0a420;
    --up:#e23744; --upbg:#fdedee; --down:#089981; --downbg:#e5f6f2; --flat:#8d99ab;
    --shadow:0 8px 26px rgba(38,64,128,.10);
    --shadow2:0 2px 10px rgba(38,64,128,.07);
  }
  *{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
  body{background:var(--bg);color:var(--text);min-height:100vh;
    font-family:-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei UI","Microsoft YaHei",sans-serif;
    font-size:14px;line-height:1.55}
  .tabnum{font-variant-numeric:tabular-nums}
  .up{color:var(--up)} .down{color:var(--down)} .flat{color:var(--flat)}
  ::-webkit-scrollbar{width:8px;height:8px}
  ::-webkit-scrollbar-thumb{background:#ccd6e6;border-radius:6px}
  button{font-family:inherit}

  header{display:flex;align-items:center;gap:12px;padding:10px 18px;flex-wrap:wrap;
    background:rgba(255,255,255,.92);backdrop-filter:blur(10px);
    border-bottom:1px solid var(--border);position:sticky;top:0;z-index:40}
  .brand{display:flex;align-items:center;gap:8px;font-size:16.5px;font-weight:800;white-space:nowrap}
  .brand .logo{width:30px;height:30px;border-radius:9px;background:var(--grad);
    display:grid;place-items:center;font-size:15px;color:#fff;box-shadow:0 3px 10px rgba(37,99,235,.35)}
  .brand .sub{font-size:11px;color:var(--muted2);font-weight:600}
  .tabs{display:flex;gap:3px;background:var(--panel2);padding:4px;border-radius:11px;
    border:1px solid var(--border)}
  .tabs button{background:none;border:none;color:var(--muted);cursor:pointer;
    padding:7px 14px;border-radius:8px;font-size:13.5px;font-weight:700;transition:.16s;white-space:nowrap}
  .tabs button:hover{color:var(--blue)}
  .tabs button.on{background:var(--grad);color:#fff;box-shadow:0 3px 10px rgba(37,99,235,.3)}
  .mkt{display:flex;align-items:center;gap:6px;color:var(--muted);white-space:nowrap;
    font-size:12.5px;padding:6px 11px;background:var(--panel);border:1px solid var(--border);
    border-radius:10px;box-shadow:var(--shadow2)}
  .dot{width:8px;height:8px;border-radius:50%;background:#bbb}
  .dot.open{background:#16a34a;animation:pulse 2s infinite}
  .dot.pre,.dot.post{background:var(--gold)}
  @keyframes pulse{0%{box-shadow:0 0 0 0 rgba(22,163,74,.45)}70%{box-shadow:0 0 0 7px rgba(22,163,74,0)}100%{box-shadow:0 0 0 0 rgba(22,163,74,0)}}
  .search{position:relative;flex:1;max-width:420px;margin-left:auto;min-width:200px}
  .search input{width:100%;padding:9px 13px 9px 35px;border-radius:11px;
    border:1px solid var(--border2);background:var(--panel);color:var(--text);
    outline:none;font-size:14px;transition:.16s;box-shadow:var(--shadow2)}
  .search input::placeholder{color:var(--muted2)}
  .search input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(37,99,235,.13)}
  .search .ico{position:absolute;left:12px;top:50%;transform:translateY(-50%);
    color:var(--muted2);font-size:14px;pointer-events:none}
  .sr{position:absolute;top:45px;left:0;right:0;background:var(--panel);
    border:1px solid var(--border2);border-radius:13px;overflow:hidden auto;display:none;
    max-height:380px;z-index:50;box-shadow:var(--shadow)}
  .sr .shint{padding:7px 13px;font-size:11px;color:var(--muted2);background:var(--panel2)}
  .sr .it{padding:10px 13px;cursor:pointer;display:flex;gap:9px;align-items:baseline}
  .sr .it:hover{background:var(--panel2)}
  .sr .it .t{font-weight:800;min-width:58px;color:var(--blue)}
  .sr .it .z{color:var(--text)}
  .sr .it .e{color:var(--muted);font-size:12px;overflow:hidden;text-overflow:ellipsis;
    white-space:nowrap;flex:1}
  .sr .it .k{color:var(--muted);font-size:11px;border:1px solid var(--border2);
    padding:1px 6px;border-radius:5px;white-space:nowrap}

  #mktBanner{padding:9px 18px;font-size:13.5px;text-align:center;font-weight:600;
    border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:center;gap:7px}
  #mktBanner b{font-weight:800}
  #mktBanner.open{background:linear-gradient(90deg,#e1f6f0,#eafaf5);color:#0a7d68}
  #mktBanner.pre,#mktBanner.post{background:linear-gradient(90deg,#fdf4e3,#fef9ee);color:#9a7424}
  #mktBanner.closed{background:linear-gradient(90deg,#fcebed,#fdf2f3);color:#b23a45}
  #mktBanner .pill{display:inline-grid;place-items:center;width:9px;height:9px;border-radius:50%;background:currentColor}
  #mktBanner.open .pill{animation:pulse 2s infinite}
  @media(max-width:640px){#mktBanner{font-size:12px;padding:8px 12px;line-height:1.4}}
  .view{display:none} .view.on{display:block}
  .wrap{max-width:1240px;margin:0 auto}

  .idxbar{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;padding:16px 18px 4px}
  .idxcard{background:var(--panel);border:1px solid var(--border);border-radius:14px;
    padding:12px 15px;cursor:pointer;transition:.16s;box-shadow:var(--shadow2)}
  .idxcard:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
  .idxcard .nm{color:var(--muted);font-size:12.5px;margin-bottom:4px;font-weight:600}
  .idxcard .pv{font-size:20px;font-weight:800}
  .idxcard .cg{font-size:12.5px;margin-top:2px;font-weight:700}

  .market{display:grid;grid-template-columns:296px 1fr;gap:15px;padding:13px 18px 26px;align-items:start}
  aside{background:var(--panel);border:1px solid var(--border);border-radius:16px;
    overflow:hidden;position:sticky;top:70px;box-shadow:var(--shadow2)}
  .side-tabs{display:flex;border-bottom:1px solid var(--border)}
  .side-tabs button{flex:1;background:none;border:none;color:var(--muted);cursor:pointer;
    padding:11px 6px;font-size:13px;font-weight:800;transition:.15s;border-bottom:2px solid transparent}
  .side-tabs button.on{color:var(--blue);border-bottom-color:var(--blue)}
  .side-body{max-height:calc(100vh - 150px);overflow-y:auto}
  .side-pane{display:none} .side-pane.on{display:block}
  .wl-hd{padding:9px 14px 5px;color:var(--muted2);font-size:12px;display:flex;
    justify-content:space-between;align-items:center;font-weight:600}
  .row{display:flex;align-items:center;padding:9px 12px 9px 14px;cursor:pointer;
    border-left:3px solid transparent;transition:.12s}
  .row:hover{background:var(--panel2)}
  .row.active{background:#eef3ff;border-left-color:var(--blue)}
  .row .c1{flex:1;min-width:0}
  .row .c1 .t{font-weight:800;font-size:14px}
  .row .c1 .n{color:var(--muted);font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .row .c2{text-align:right}
  .row .c2 .p{font-weight:700}
  .row .c2 .pc{font-size:12px;padding:1px 7px;border-radius:6px;display:inline-block;margin-top:2px;font-weight:700}
  .pc.up{background:var(--upbg)} .pc.down{background:var(--downbg)} .pc.flat{background:#eef1f6}
  .row .x{visibility:hidden;color:var(--muted2);padding:2px 7px;margin-left:3px;border-radius:6px;font-size:15px}
  .row:hover .x{visibility:visible} .row .x:hover{color:#fff;background:var(--muted2)}
  .rank{width:22px;color:var(--muted2);font-size:12px;text-align:center;flex:none;font-weight:700}
  .rank.top{color:var(--gold)}

  .detail{min-width:0;display:flex;flex-direction:column;gap:14px}
  .panel{background:var(--panel);border:1px solid var(--border);border-radius:16px;
    padding:18px 20px;box-shadow:var(--shadow2)}
  .d-head .l1{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
  .d-head .nm{font-size:23px;font-weight:800}
  .badge{font-size:11px;padding:2px 9px;border-radius:20px;background:#eef3ff;
    border:1px solid #d8e4ff;color:var(--blue);font-weight:600}
  .d-head .tk{color:var(--muted);font-size:13.5px}
  .d-head .star{margin-left:auto;cursor:pointer;font-size:22px;color:var(--muted2);user-select:none;transition:.15s}
  .d-head .star.on{color:var(--gold)} .d-head .star:hover{transform:scale(1.15)}
  .d-head .l2{display:flex;align-items:flex-end;gap:13px;margin-top:9px;flex-wrap:wrap}
  .d-head .px{font-size:40px;font-weight:800;line-height:1}
  .d-head .chg{font-size:17px;font-weight:800;padding-bottom:4px}
  .d-head .when{color:var(--muted2);font-size:12px;margin-top:6px}
  .trade-btns{display:flex;gap:10px;margin-top:14px}
  .btn{border:none;border-radius:12px;padding:12px 0;font-size:15px;font-weight:800;
    cursor:pointer;flex:1;transition:.15s;color:#fff}
  .btn:disabled{opacity:.45;cursor:not-allowed;box-shadow:none;filter:grayscale(.35)}
  .btn:active{transform:scale(.98)}
  .btn.buy{background:linear-gradient(135deg,#e23744,#f05562);box-shadow:0 4px 13px rgba(226,55,68,.3)}
  .btn.sell{background:linear-gradient(135deg,#089981,#23b89c);box-shadow:0 4px 13px rgba(8,153,129,.28)}
  .btn.cancel{background:var(--panel2);color:var(--muted);border:1px solid var(--border2);box-shadow:none}

  .core{display:grid;grid-template-columns:repeat(auto-fill,minmax(105px,1fr));gap:10px;margin-top:15px}
  .ci{background:var(--panel2);border-radius:11px;padding:9px 12px}
  .ci .k{color:var(--muted);font-size:12px;display:flex;align-items:center;gap:4px}
  .ci .v{font-weight:800;font-size:15.5px;margin-top:2px}
  .more-toggle{margin-top:13px;background:none;border:1px dashed var(--border2);color:var(--blue);
    border-radius:11px;padding:9px;width:100%;cursor:pointer;font-size:13px;font-weight:700}
  .more-toggle:hover{background:var(--panel2)}
  .more{display:none;grid-template-columns:repeat(auto-fill,minmax(125px,1fr));gap:1px;
    background:var(--border);border:1px solid var(--border);border-radius:11px;overflow:hidden;margin-top:11px}
  .more.on{display:grid}
  .mi{background:var(--panel);padding:10px 12px}
  .mi .k{color:var(--muted);font-size:12px;display:flex;align-items:center;gap:5px}
  .mi .v{font-weight:700;font-size:14.5px;margin-top:2px}
  .help{display:inline-grid;place-items:center;width:15px;height:15px;flex:none;border-radius:50%;
    background:#e9eefb;color:var(--blue);font-size:10px;cursor:help;font-weight:800}
  .help:hover{background:var(--blue);color:#fff}

  .ranges{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:4px}
  .ranges button{background:var(--panel2);color:var(--muted);border:1px solid var(--border);
    padding:6px 14px;border-radius:9px;cursor:pointer;font-size:13px;transition:.14s;font-weight:600}
  .ranges button:hover{color:var(--blue)}
  .ranges button.on{background:var(--grad);color:#fff;border-color:transparent}
  .chart-tip{color:var(--muted2);font-size:12px;margin:8px 0 2px}
  #chartWrap{position:relative;height:420px;margin-top:4px}
  #chart{width:100%;height:100%}
  #chartMsg{position:absolute;inset:0;display:none;align-items:center;justify-content:center;
    color:var(--muted);font-size:14px;background:rgba(245,247,251,.7);z-index:5;border-radius:12px}
  .note{color:#b87f1a;font-size:12.5px;min-height:18px;margin-top:6px}
  .hint-box{background:#eef4ff;border:1px solid #d8e4ff;border-radius:13px;padding:12px 15px;
    font-size:13px;display:flex;gap:9px}
  .ai-hd{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px}
  .ai-hd h3{font-size:15.5px}
  .ai-acts{display:flex;gap:8px}
  .abtn{border:none;border-radius:10px;padding:8px 16px;font-size:13px;font-weight:700;
    cursor:pointer;color:#fff;background:var(--grad);box-shadow:0 3px 10px rgba(37,99,235,.25)}
  .abtn:active{transform:scale(.97)}
  .abtn.ghost{background:var(--panel2);color:var(--muted);border:1px solid var(--border2);box-shadow:none}
  .ai-body{font-size:13.5px;margin-top:11px;line-height:1.78;word-break:break-word}
  .ai-body h4{margin:11px 0 3px;color:var(--blue);font-size:14px}
  .ai-meta{color:var(--muted2);font-size:11.5px;margin-top:10px;border-top:1px dashed var(--border2);padding-top:8px}
  .hint-box b{color:var(--blue)}

  /* portfolio */
  .pf{max-width:1020px;margin:0 auto;padding:18px 18px 38px}
  .pf-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;flex-wrap:wrap;gap:8px}
  .pf-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:13px}
  .pf-card{background:var(--panel);border:1px solid var(--border);border-radius:16px;
    padding:16px;box-shadow:var(--shadow2)}
  .pf-card.hero{background:var(--grad);color:#fff;border:none;box-shadow:0 8px 22px rgba(37,99,235,.35)}
  .pf-card .lab{font-size:12.5px;opacity:.85;margin-bottom:6px;display:flex;align-items:center;gap:5px}
  .pf-card .big{font-size:24px;font-weight:800}
  .pf-card .sm{font-size:12.5px;margin-top:3px;font-weight:700}
  .tbl{overflow-x:auto}
  table{width:100%;border-collapse:collapse;margin-top:6px;min-width:560px}
  th,td{text-align:right;padding:10px 11px;font-size:13.5px;white-space:nowrap}
  th:first-child,td:first-child{text-align:left}
  thead th{color:var(--muted);font-weight:600;font-size:12.5px;border-bottom:1px solid var(--border)}
  tbody tr{border-bottom:1px solid var(--panel2)}
  tbody tr:hover{background:var(--panel2)}
  .mini{padding:5px 11px;border-radius:8px;border:none;cursor:pointer;font-size:12px;font-weight:700;color:#fff}
  .mini:disabled{opacity:.45;cursor:not-allowed;filter:grayscale(.35)}
  .mini.b{background:#e23744} .mini.s{background:#089981}
  .mini.c{background:var(--panel2);color:var(--muted);border:1px solid var(--border2)}
  .pf-tools{display:flex;gap:8px;flex-wrap:wrap}
  .market-alert{margin-top:10px;background:#fff3f1;border:1px solid #f6c7c1;color:#9b2c22;
    border-radius:12px;padding:9px 12px;font-size:12.5px;line-height:1.55}
  .empty{text-align:center;color:var(--muted2);padding:30px 10px;font-size:14px}
  .reset{background:none;border:1px solid var(--border2);color:var(--muted);border-radius:10px;
    padding:7px 13px;cursor:pointer;font-size:12.5px;font-weight:600}
  .reset:hover{color:var(--up);border-color:var(--up)}
  .rules-tip{background:#fdf6e8;border:1px solid #f3e2bb;border-radius:13px;padding:12px 15px;
    font-size:12.8px;color:#7a5c1e;margin-top:14px;line-height:1.7}

  /* learn */
  .learn{max-width:1080px;margin:0 auto;padding:20px 18px 36px}
  .learn h2{font-size:19px;margin:24px 0 4px;display:flex;align-items:center;gap:8px}
  .learn .sub{color:var(--muted);font-size:13px;margin-bottom:13px}
  .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}
  .step{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:17px;box-shadow:var(--shadow2)}
  .step .num{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;
    background:var(--grad);color:#fff;font-weight:800;margin-bottom:9px}
  .step h3{font-size:15px;margin-bottom:5px} .step p{color:var(--muted);font-size:13px}
  .cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
  .gcard{background:var(--panel);border:1px solid var(--border);border-radius:14px;
    padding:14px 15px;transition:.16s;box-shadow:var(--shadow2)}
  .gcard:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
  .gcard .term{font-weight:800;font-size:15px;color:var(--blue);display:flex;align-items:center;gap:7px}
  .gcard .en{color:var(--muted2);font-size:11px;font-weight:500}
  .gcard .desc{font-size:13px;margin-top:7px}
  .gcard .eg{color:var(--muted);font-size:12px;margin-top:7px;border-top:1px dashed var(--border2);padding-top:7px}
  .feature{background:linear-gradient(150deg,#eef4ff,#f7fafd);border:1px solid #d8e4ff;
    border-radius:16px;padding:19px 21px;margin-bottom:13px}
  .feature h3{font-size:16px;margin-bottom:9px}
  .feature p{font-size:13.5px;margin-bottom:8px}
  .feature .q{border-left:3px solid var(--blue);padding:5px 0 5px 12px;margin:9px 0;
    color:var(--muted);font-size:13px}
  .chain{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin:10px 0}
  .chain .cnode{background:var(--panel);border:1px solid var(--border2);border-radius:11px;
    padding:8px 13px;font-size:12.5px;font-weight:700;box-shadow:var(--shadow2);text-align:center}
  .chain .cnode small{display:block;color:var(--muted);font-weight:500;font-size:11px}
  .chain .arr{color:var(--muted2);font-weight:800}
  .warn{background:#fdedee;border:1px solid #f5c6cb;border-radius:15px;padding:15px 17px;font-size:13px}
  .warn h3{color:var(--up);font-size:15px;margin-bottom:6px}

  /* modal */
  .mask{position:fixed;inset:0;background:rgba(30,42,70,.4);backdrop-filter:blur(3px);
    z-index:80;display:none;align-items:center;justify-content:center;padding:14px}
  .mask.on{display:flex}
  .modal{background:var(--panel);border-radius:20px;padding:22px;width:400px;max-width:100%;
    max-height:92vh;overflow-y:auto;box-shadow:0 20px 60px rgba(20,40,90,.3)}
  .modal h3{font-size:18px;margin-bottom:3px;display:flex;align-items:center;gap:8px}
  .modal .mp{color:var(--muted);font-size:13px;margin-bottom:13px}
  .otype{display:flex;gap:6px;background:var(--panel2);padding:4px;border-radius:11px;margin-bottom:6px}
  .otype button{flex:1;border:none;background:none;padding:8px;border-radius:8px;cursor:pointer;
    font-size:13.5px;font-weight:700;color:var(--muted)}
  .otype button.on{background:var(--panel);color:var(--blue);box-shadow:var(--shadow2)}
  .otype-tip{font-size:12px;color:var(--muted2);margin-bottom:12px;min-height:16px}
  .modal .field{margin-bottom:12px}
  .modal label{font-size:13px;color:var(--muted);display:block;margin-bottom:5px;font-weight:600}
  .modal input{width:100%;padding:11px 13px;border-radius:11px;border:1px solid var(--border2);
    background:var(--panel2);color:var(--text);font-size:16px;font-weight:700;outline:none;
    font-variant-numeric:tabular-nums}
  .modal input:focus{border-color:var(--blue);background:#fff}
  .quick{display:flex;gap:6px;margin-top:7px;flex-wrap:wrap}
  .quick button{flex:1;padding:7px;border-radius:8px;border:1px solid var(--border2);
    background:var(--panel2);color:var(--blue);cursor:pointer;font-size:12px;font-weight:700}
  .quick button:hover{background:#eef3ff}
  .calc{background:var(--panel2);border-radius:11px;padding:11px 13px;font-size:13px;margin-bottom:13px}
  .calc .r{display:flex;justify-content:space-between;margin:3px 0}
  .calc .r b{font-weight:800}
  #tradePreview{background:transparent;padding:0}
  #tradePreview:empty{display:none}
  .trade-reminder{background:var(--panel2);border-radius:11px;border:1px solid var(--border2);
    overflow:hidden}
  .trade-reminder summary{list-style:none;cursor:pointer;display:flex;align-items:center;
    justify-content:space-between;gap:10px;padding:11px 13px;font-weight:800;color:var(--text)}
  .trade-reminder summary::-webkit-details-marker{display:none}
  .trade-reminder summary b{color:var(--blue);font-size:12px}
  .trade-reminder summary:after{content:'›';font-size:18px;color:var(--muted2);
    transition:transform .16s ease}
  .trade-reminder[open] summary:after{transform:rotate(90deg)}
  .trade-reminder-body{padding:0 13px 12px}
  .trade-preview-note{margin-top:8px;border-radius:9px;background:#fff7e6;border:1px solid #f1dbac;
    color:#9a6b10;padding:8px 10px;font-weight:800;line-height:1.55}
  .trade-preview-note.danger{background:#fff0f0;border-color:#f3b7bd;color:#b4232f}
  .mclosed{background:#fdf6e8;border:1px solid #f3e2bb;color:#9a7424;border-radius:10px;
    padding:9px 12px;font-size:12.5px;margin-bottom:12px;display:none}
  .mclosed.on{display:block}
  .modal .acts{display:flex;gap:9px}
  #tradeErr{color:var(--up);font-size:12.5px;min-height:16px;margin-bottom:7px;font-weight:600}

  #tip{position:fixed;z-index:100;max-width:300px;background:#fff;border:1px solid var(--border2);
    border-radius:12px;padding:11px 13px;box-shadow:var(--shadow);font-size:12.5px;display:none;line-height:1.6}
  #tip .tt{font-weight:800;color:var(--blue);margin-bottom:3px}
  #tip .te{color:var(--muted2);font-size:11px;font-weight:500}
  #toast{position:fixed;left:50%;bottom:30px;transform:translateX(-50%) translateY(16px);
    background:#1f2b3f;color:#fff;padding:12px 20px;border-radius:13px;font-weight:700;font-size:14px;
    box-shadow:0 8px 24px rgba(20,40,90,.35);opacity:0;pointer-events:none;transition:.26s;z-index:120;
    max-width:90vw;text-align:center}
  #toast.on{opacity:1;transform:translateX(-50%) translateY(0)}
  footer{color:var(--muted2);font-size:12px;padding:16px 18px;text-align:center;border-top:1px solid var(--border)}

  /* ===== 手机适配 ===== */
  @media(max-width:960px){
    .market{grid-template-columns:1fr}
    aside{position:static}
    .side-body{max-height:300px}
    .idxbar{grid-template-columns:repeat(2,1fr)}
    .pf-cards{grid-template-columns:repeat(2,1fr)}
    .steps{grid-template-columns:1fr}
  }
  @media(max-width:640px){
    header{padding:9px 12px;gap:8px}
    .brand .sub{display:none}
    .mkt{order:2;margin-left:auto;padding:5px 9px;font-size:11.5px}
    .tabs{order:3;width:100%;justify-content:space-between}
    .tabs button{flex:1;padding:8px 4px;font-size:13px}
    .search{order:4;max-width:none;flex-basis:100%;margin-left:0}
    .idxbar,.market{padding-left:12px;padding-right:12px}
    .idxcard .pv{font-size:17px}
    .panel{padding:14px;border-radius:14px}
    .d-head .nm{font-size:19px}
    .d-head .px{font-size:32px}
    .d-head .chg{font-size:15px}
    #chartWrap{height:320px}
    .core{grid-template-columns:repeat(2,1fr)}
    .pf{padding:14px 12px 30px}
    .pf-card .big{font-size:19px}
    .learn{padding:16px 12px 30px}
    .modal{padding:18px;border-radius:18px}
    .btn{padding:13px 0}
    .ranges button{padding:7px 11px}
    #etTime{display:none}
  }
  @media(max-width:400px){
    .pf-cards{grid-template-columns:1fr 1fr;gap:9px}
    .core{gap:8px}
  }