.eq-lab{--eq-ink:#203c39;--eq-muted:#607a74;--eq-teal:#0b8579;--eq-border:#d7e8df;--eq-paper:#fffdf9;font-family:Helvetica,Arial,sans-serif;color:var(--eq-ink);max-width:1560px;margin:auto;padding:26px 22px 80px;background:linear-gradient(145deg,#f3f9f5,#fffaf3 60%,#edf7f3);border-radius:28px}
.eq-lab *{box-sizing:border-box}
.eq-hero{display:flex;justify-content:space-between;align-items:center;gap:25px;padding:9px 8px 28px}
.eq-eyebrow,.eq-tag{display:block;color:#168476;font-size:12px;font-weight:800;letter-spacing:.13em;text-transform:uppercase}
.eq-hero h2{font-size:clamp(35px,4.2vw,58px);line-height:1.05;letter-spacing:-.045em;margin:9px 0;color:#173d39}
.eq-hero p{font-size:18px;line-height:1.5;color:var(--eq-muted);margin:0;max-width:620px}
.eq-equation{min-width:380px;padding:19px 22px;background:white;border:1px solid var(--eq-border);border-radius:20px;box-shadow:0 10px 25px #1d6b4d0a;display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;font-size:24px;font-weight:700;white-space:nowrap}
.eq-equation b{font-size:18px;color:#668078}.eq-equation strong{font-size:36px;color:var(--eq-teal);line-height:1}.eq-equation small{display:block;width:100%;text-align:center;font-size:12px;color:#a05c37;font-weight:700;letter-spacing:.04em}
.eq-principle{padding:17px 23px;border-radius:15px;border:1px solid #cce4d9;background:#e8f5ed;color:#176c5f;font-size:17px;font-weight:750;margin-bottom:22px}.eq-principle span{font-size:14px;font-weight:500;margin-left:13px;color:#3d7c70}
.eq-layout{display:grid;grid-template-columns:minmax(0,1.85fr) minmax(300px,.85fr);gap:22px;align-items:start}.eq-main{display:grid;gap:20px;min-width:0}.eq-card{background:var(--eq-paper);border:1px solid var(--eq-border);border-radius:22px;padding:22px;box-shadow:0 14px 34px #1f624710}.eq-section-title{display:flex;justify-content:space-between;align-items:flex-start;gap:15px;margin-bottom:14px}.eq-card h3{font-size:24px;letter-spacing:-.025em;margin:5px 0 0;line-height:1.15}.eq-status,.eq-clock{padding:9px 14px;border-radius:99px;background:#e6f4eb;color:#117462;font-size:13px;font-weight:800;white-space:nowrap}.eq-status.is-moving{background:#fff0de;color:#a16527}
.eq-legend,.eq-graph-legend{display:flex;flex-wrap:wrap;gap:9px 18px;margin-bottom:14px;color:#59736b;font-size:13px;font-weight:650}.eq-legend span,.eq-graph-legend span{display:inline-flex;align-items:center;gap:7px}.eq-dot{display:inline-block;width:13px;height:13px;border-radius:50%;border:2px solid transparent;vertical-align:middle;flex-shrink:0}.eq-n2{background:#3d75cc;border-color:#245294}.eq-h2{background:#fafbfc;border-color:#80929b}.eq-nh3{background:#26a982;border-color:#16795d}
.eq-reactor-frame{position:relative;overflow:hidden;border:1px solid #c9e2d9;border-radius:18px;background:#eaf7f1}.eq-reactor-frame canvas{width:100%;height:auto;display:block}.eq-reactor-label{position:absolute;bottom:12px;left:14px;background:#ffffffcb;border-radius:99px;color:#527970;font-size:11px;font-weight:750;padding:6px 10px;letter-spacing:.03em}
.eq-counts{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}.eq-count{border:1px solid #dcebe5;background:#f7faf8;border-radius:13px;padding:12px;display:grid;gap:4px}.eq-count span{font-size:13px;font-weight:750}.eq-count strong{font-size:29px;color:#214944;line-height:1.1}.eq-count small{font-size:10px;color:#6c827b}
.eq-direction{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:18px}.eq-direction>div{min-width:0;border:1px solid #dfeae4;border-radius:13px;padding:12px 14px;background:#fbfdfa;display:grid;grid-template-columns:1fr auto;gap:6px}.eq-direction span{grid-column:1/-1;font-size:13px;font-weight:700;color:#58736b}.eq-direction b{align-self:center;color:#385d56;font-size:15px}.eq-arrow{--arrow-width:100%;height:26px;width:var(--arrow-width);min-width:18px;display:flex;align-items:center;font-size:26px;line-height:1;transition:width .35s ease}.eq-arrow-forward{color:#098477;background:linear-gradient(90deg,#bce8d8,#098477);background-size:calc(100% - 22px) 6px;background-position:left center;background-repeat:no-repeat;justify-content:flex-end}.eq-arrow-reverse{color:#c6774a;background:linear-gradient(270deg,#f1cdaf,#c6774a);background-size:calc(100% - 22px) 6px;background-position:right center;background-repeat:no-repeat;justify-content:flex-start}
.eq-arrow-note{color:var(--eq-muted);font-size:12px;margin:8px 0 15px}.eq-transport{display:flex;align-items:center;gap:9px;flex-wrap:wrap}.eq-transport button,.eq-controls button{font:inherit;cursor:pointer;border-radius:12px;border:1px solid #c9dfd4;color:#1b665b;background:#f2f8f4;min-height:44px;padding:10px 15px;font-weight:750}.eq-transport button:disabled{opacity:.45;cursor:default}.eq-transport .eq-primary{background:#0b8275;color:white;border-color:#0b8275}.eq-transport label{display:inline-flex;align-items:center;gap:7px;color:#4e6f66;font-weight:700;font-size:13px}.eq-transport select{font:inherit;border:1px solid #c9dfd4;background:white;border-radius:8px;padding:9px}
.eq-graph-card svg{display:block;width:100%;height:auto;min-height:170px}.eq-graph-legend{margin-top:18px;margin-bottom:0}.eq-graph-legend i{display:inline-block;width:22px;border-top:3px solid}.eq-line-f{border-color:#098477!important}.eq-line-r{border-color:#d2784b!important;border-top-style:dashed!important}.eq-line-ref{border-color:#95b0a8!important;border-top-style:dotted!important}.eq-graph-caption{font-size:13px;line-height:1.5;color:#5d766e;margin:0}
.eq-takeaway{border-left:5px solid #158878}.eq-takeaway p{font-size:17px;line-height:1.55;color:#4d6a62;margin:12px 0}.eq-note{padding:12px 14px;background:#eef6ef;border-radius:12px;font-size:13px;line-height:1.5;color:#45645a}
.eq-controls{position:sticky;top:20px}.eq-controls>h3{font-size:27px;margin:6px 0 6px}.eq-controls>p{font-size:14px;color:#607a72;line-height:1.5;margin:0 0 10px}.eq-control-block{border-top:1px solid #dfebe3;padding:19px 0}.eq-control-heading{display:flex;justify-content:space-between;align-items:center;gap:10px}.eq-control-heading label,.eq-control-block h4{font-size:17px;font-weight:800;margin:0;color:#245048}.eq-control-heading output{font-weight:800;color:#087f73}.eq-control-block input[type=range]{width:100%;accent-color:#098779;cursor:pointer;margin:18px 0 8px}.eq-endpoints{display:flex;justify-content:space-between;gap:10px;font-size:12px;color:#70837a}.eq-control-block small{display:block;color:#6e8078;line-height:1.45;margin-top:10px;font-size:12px}.eq-control-intro{font-size:12px;line-height:1.4;color:#668078;margin:7px 0 11px}.eq-gas-actions{display:grid;gap:9px}.eq-gas-actions>div{display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:7px}.eq-gas-actions span{display:flex;align-items:center;gap:7px;font-size:16px;font-weight:750}.eq-gas-actions button{font-size:12px;min-height:38px;padding:7px 9px;border-radius:9px}.eq-catalyst-block{display:flex;align-items:center;justify-content:space-between;gap:10px}.eq-catalyst-block>div{min-width:0}.eq-catalyst-block small{margin:4px 0 0}.eq-catalyst-block button{flex-shrink:0}.eq-catalyst-block button[aria-pressed=true]{background:#d5eee4;border-color:#83c6ac;color:#006c5a}.eq-control-foot{font-size:12px;line-height:1.5;color:#6f827a;background:#f4f7f2;border-radius:11px;padding:12px}
.eq-sources{margin-top:22px;padding:15px 20px;background:#ffffffb8;border:1px solid var(--eq-border);border-radius:15px;color:#536f66;font-size:13px;line-height:1.55}.eq-sources summary{font-weight:750;cursor:pointer;color:#2c6559}.eq-sources a{color:#0c766c}.eq-lab button:focus-visible,.eq-lab input:focus-visible,.eq-lab select:focus-visible{outline:3px solid #68bea4;outline-offset:2px}
@media(max-width:1100px){.eq-layout{grid-template-columns:1fr}.eq-controls{position:static}.eq-hero{align-items:flex-start}.eq-equation{min-width:330px;font-size:21px}}
@media(max-width:720px){.eq-lab{padding:18px 12px 55px;border-radius:16px}.eq-hero{flex-direction:column;padding:4px 3px 18px;gap:16px}.eq-hero h2{font-size:38px}.eq-hero p{font-size:16px}.eq-equation{min-width:0;width:100%;font-size:21px;padding:15px 10px}.eq-equation strong{font-size:28px}.eq-principle{font-size:15px;padding:14px}.eq-principle span{display:block;margin:5px 0 0}.eq-card{padding:16px;border-radius:17px}.eq-card h3{font-size:21px}.eq-section-title{flex-wrap:wrap}.eq-counts{gap:6px}.eq-count{padding:9px}.eq-count span{font-size:11px}.eq-count strong{font-size:25px}.eq-direction{gap:7px}.eq-direction>div{padding:10px}.eq-direction span{font-size:11px}.eq-graph-legend{font-size:11px;gap:8px}.eq-gas-actions button{min-width:63px}.eq-catalyst-block{align-items:flex-start;flex-direction:column}.eq-catalyst-block button{width:100%}}
.eq-formula{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap}.eq-formula em{font-style:normal;color:#a55d2b;background:#fff0dc;border-radius:8px;padding:5px 8px}.eq-hero .eq-equation{min-width:0;flex:0 1 570px}.eq-hero>div:first-child{flex:1}.eq-hero p{font-style:normal}
.eq-trials{display:flex;align-items:center;gap:9px;flex-wrap:wrap;padding:4px 0 22px}.eq-trials>div{margin-right:auto}.eq-trials b{font-size:15px;display:block}.eq-trials small{display:block;font-size:12px;color:#688078;margin-top:4px}.eq-trials button{min-height:44px;padding:9px 14px;background:#fffdf9;border:1px solid #c9e1d5;border-radius:12px;color:#266454;font:700 13px Helvetica,Arial,sans-serif;cursor:pointer}.eq-trials button:hover{background:#e4f2e9;border-color:#72ae97}
.eq-live-result{margin-top:13px;padding:13px 16px;border-radius:12px;background:#e5f4ec;display:flex;flex-direction:column;gap:5px}.eq-live-result strong{font-size:18px;color:#146f5d}.eq-live-result span{font-size:13px;color:#537b6d}.eq-count-note{font-size:11px;line-height:1.45;color:#70837b;margin:8px 0 0}.eq-count .eq-increased{color:#087a58;font-weight:700}.eq-count .eq-decreased{color:#b46b38;font-weight:700}.eq-counts strong{font-variant-numeric:tabular-nums}.eq-reactor-card{scroll-margin-top:20px}
@media(max-width:1100px){.eq-main{display:contents}.eq-reactor-card{order:0}.eq-controls{order:1}.eq-graph-card{order:2}.eq-takeaway{order:3}.eq-layout{display:flex;flex-direction:column}.eq-layout>.eq-card{width:100%}}
@media(max-width:720px){.eq-hero .eq-equation{flex:auto;font-size:18px}.eq-formula{gap:7px}.eq-formula strong{font-size:25px}.eq-trials>div{width:100%;margin-bottom:3px}.eq-trials{gap:7px}.eq-trials button{flex:1 1 28%;font-size:12px;padding:9px 8px}.eq-count small{font-size:10px;line-height:1.4}.eq-live-result strong{font-size:16px}}
