:root{--bg:#f8f7f3;--paper:#fff;--ink:#202923;--muted:#6b756e;--line:#dbe1d8;--green:#285b42;--pale:#edf4ec}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:85px}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.8 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}a{color:var(--green);text-underline-offset:4px}a:hover{color:#101f16}header{max-width:1400px;margin:auto;padding:24px 38px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:22px}.brand{font-size:22px;font-weight:800;text-decoration:none;letter-spacing:-1px;white-space:nowrap}.brand span{font-size:12px;letter-spacing:1px;margin-left:12px;color:var(--muted)}header nav{display:flex;gap:25px;font-size:13px}header nav a{text-decoration:none;white-space:nowrap}.mast{max-width:1324px;margin:0 auto;padding:44px 0 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.etf-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:24px 0}.etf-grid figure{margin:0;padding:12px;border:1px solid #dce2d8;border-radius:10px;background:#fafcf9}.etf-grid img{display:block;width:100%;height:auto}.etf-grid figcaption{font-size:12px;color:#667263;padding:6px}@media(max-width:800px){.etf-grid{grid-template-columns:1fr}}

.etf-chart{margin:20px 0;background:#fff;border:1px solid #dce2d8;border-radius:12px;padding:12px}.etf-chart img{display:block;width:100%;height:auto}.etf-chart figcaption{font-size:12px;color:#667263;padding:6px}@media(max-width:600px){.etf-chart{padding:4px;margin:14px 0}}

.etf-controls{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:6px 10px;color:#17354f}.etf-buttons{display:flex;gap:6px}.etf-buttons button{border:1px solid #cdd7df;border-radius:6px;background:#fff;color:#244962;min-width:38px;min-height:34px;cursor:pointer;font-size:14px}.etf-buttons button:hover{background:#eef4f7}.etf-hint,.etf-range{font-size:12px!important;color:#647786;margin:5px 10px!important}.etf-interactive{height:390px;width:100%;touch-action:pan-y;cursor:grab}.etf-interactive:active{cursor:grabbing}.etf-interactive:focus-visible{outline:2px solid #428556}.etf-chart img[hidden]{display:none}@media(max-width:600px){.etf-interactive{height:370px}.etf-controls{padding:8px 5px}.etf-hint,.etf-range{font-size:11px!important}}@media print{.etf-chart img[hidden]{display:block}.etf-interactive,.etf-controls,.etf-hint,.etf-range{display:none}}

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/* Keep resized chart tooltips inside their responsive viewport. */
.etf-interactive{overflow:hidden}
