.tool-head{max-width:820px;margin:0 auto;padding:32px 32px 8px;text-align:center}.tool-head .cat-tag{display:inline-block;padding:6px 14px;background:var(--green-soft);color:var(--green);border-radius:100px;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;margin-bottom:20px}.tool-head h1{font-size:48px;font-weight:800;letter-spacing:-.035em;line-height:1.05;margin:0 0 16px}.tool-head h1 .serif{color:var(--green);font-weight:400}.tool-head .dek{font-size:18px;color:var(--ink-3);line-height:1.5;margin:0 auto;max-width:600px}.rce-intro{max-width:820px;margin:20px auto 0;padding:0 32px;font-size:15px;color:var(--ink-2);line-height:1.7}.rce-intro p{margin:0}.rce-how{max-width:820px;margin:8px auto 30px;padding:0 32px}.rce-how h2{font-size:22px;font-weight:800;letter-spacing:-.02em;margin:0 0 14px}.rce-how h2 .serif{color:var(--green);font-weight:400}.rce-how p{font-size:14.5px;color:var(--ink-2);line-height:1.7;margin:0 0 14px}.rce-how code{background:var(--bg-warm);padding:2px 6px;border-radius:5px;font-size:13px}.tool-wrap{max-width:1040px;margin:36px auto 90px;padding:0 32px;display:grid;grid-template-columns:1.1fr 1fr;gap:22px;align-items:start}.calc-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-md);padding:30px}.calc-card h2{font-size:15px;font-weight:800;letter-spacing:.02em;text-transform:uppercase;color:var(--ink-3);margin:0 0 22px}.field{margin-bottom:20px}.field:last-child{margin-bottom:0}.field label{display:flex;justify-content:space-between;font-size:13.5px;font-weight:700;color:var(--ink-2);margin-bottom:8px}.field label .val{color:var(--green);font-weight:800}.field .hint{display:block;font-size:12px;font-weight:500;color:var(--ink-4);margin-top:6px}.field select,.field input[type="number"]{width:100%;padding:12px 14px;border-radius:10px;border:1.5px solid var(--line);background:var(--bg-warm);appearance:none;font-family:inherit;font-size:15px;color:var(--ink)}.field select{background:var(--bg-warm) url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%236b7280" stroke-width="2"><path d="m6 9 6 6 6-6"/></svg>') no-repeat right 14px center/16px;cursor:pointer}.field select:focus,.field input:focus{outline:2px solid var(--green);outline-offset:1px}.field input[type="range"]{width:100%;accent-color:var(--green)}.seg{display:flex;gap:8px;flex-wrap:wrap}.seg button{flex:1;min-width:110px;padding:11px 10px;border-radius:10px;border:1.5px solid var(--line);background:var(--bg-warm)!important;font-weight:700;font-size:12.5px;color:var(--ink-3)!important;transition:all .15s}.seg button:hover{border-color:var(--green);color:var(--green)!important}.seg button.active{background:var(--green)!important;border-color:var(--green);color:white!important}.result-card{background:var(--ink);color:#fff;border-radius:var(--radius);padding:28px;overflow:hidden;position:relative}.result-card::before{content:'';position:absolute;top:-40px;right:-40px;width:160px;height:160px;background:radial-gradient(circle,rgba(47,158,88,.28),transparent 70%)}.result-card h3{font-size:13px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.55);margin:0 0 10px;position:relative}.result-range{font-size:42px;font-weight:800;letter-spacing:-.03em;margin:0 0 4px;position:relative}.result-range .serif{color:#7be3a0;font-weight:400}.result-sub{font-size:13.5px;color:rgba(255,255,255,.6);margin:0 0 22px;position:relative}.breakdown{display:flex;flex-direction:column;gap:12px;border-top:1px solid rgba(255,255,255,.12);padding-top:18px;position:relative}.breakdown-row{display:flex;justify-content:space-between;font-size:14px}.breakdown-row span:first-child{color:rgba(255,255,255,.65)}.breakdown-row span:last-child{font-weight:700}.savings-note{background:rgba(74,222,128,.14);border-radius:10px;padding:12px 14px;font-size:12.5px;line-height:1.5;color:#c6f6d5;margin-top:18px;position:relative}.result-tip{margin-top:20px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:12.5px;line-height:1.6;color:rgba(255,255,255,.65);position:relative}.faq-wrap{max-width:820px;margin:0 auto 70px;padding:0 32px}.faq-wrap h2{font-size:28px;font-weight:800;letter-spacing:-.02em;margin:0 0 24px;text-align:center}.faq-wrap h2 .serif{color:var(--green);font-weight:400}.faq-item{border-bottom:1px solid var(--line)}.faq-q{width:100%;text-align:left;padding:18px 0;display:flex;justify-content:space-between;align-items:center;font-size:16px;font-weight:700;color:var(--ink)}.faq-q:hover{color:var(--ink)!important}.faq-q .plus{font-size:22px;color:var(--ink-4);transition:transform .2s;flex-shrink:0;margin-left:12px}.faq-item.open .faq-q .plus{transform:rotate(45deg)}.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease}.faq-a p{margin:0 0 18px;font-size:14.5px;color:var(--ink-3);line-height:1.6}.cross-wrap{max-width:960px;margin:44px auto 56px;padding:0 32px}.cross-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.cross-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px 20px;display:flex;flex-direction:column;gap:4px;position:relative;overflow:hidden;transition:border-color .15s,box-shadow .15s,transform .15s;text-decoration:none}.cross-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--bar,var(--green))}.cross-card:hover{border-color:var(--line-2);box-shadow:var(--shadow-md);transform:translateY(-3px);text-decoration:none}.cross-card .ic{width:40px;height:40px;border-radius:10px;background:var(--bar-soft,var(--green-soft));color:var(--bar,var(--green));display:flex;align-items:center;justify-content:center;margin-bottom:10px}.cross-card .t{font-size:15px;font-weight:800;color:var(--ink);letter-spacing:-.01em;display:flex;align-items:center;justify-content:space-between;gap:8px}.cross-card .t .arrow{color:var(--ink-4);transition:transform .15s,color .15s;flex-shrink:0}.cross-card:hover .t .arrow{transform:translateX(4px);color:var(--bar,var(--green))}.cross-card .d{font-size:13px;color:var(--ink-3);line-height:1.5}.disclaimer{max-width:900px;margin:0 auto 60px;padding:0 32px;font-size:12px;color:var(--ink-4);line-height:1.6}.preset-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}.preset-chip{padding:8px 14px;border-radius:100px;border:1.5px solid var(--line);background:var(--bg-warm)!important;font-size:12px;font-weight:700;color:var(--ink-3)!important;transition:all .15s}.preset-chip:hover{border-color:var(--green);color:var(--green)!important}.battery-visual{position:relative;margin:0 0 22px}.battery-shell{position:relative;height:34px;border-radius:8px;border:2px solid rgba(255,255,255,.35);background:rgba(255,255,255,.06);overflow:hidden}.battery-shell::after{content:'';position:absolute;right:-7px;top:50%;transform:translateY(-50%);width:5px;height:14px;background:rgba(255,255,255,.35);border-radius:0 3px 3px 0}.battery-fill-base{position:absolute;left:0;top:0;height:100%;background:rgba(255,255,255,.18);transition:width .5s ease}.battery-fill-add{position:absolute;left:0;top:0;height:100%;background:linear-gradient(90deg,#2f9e58,#4ade80);transition:width .5s ease}.battery-labels{display:flex;justify-content:space-between;font-size:11.5px;color:rgba(255,255,255,.55);margin-top:6px}.tcc-compare-wrap{max-width:1040px;margin:0 auto 50px;padding:0 32px}.tcc-compare-wrap h2{font-size:22px;font-weight:800;letter-spacing:-.02em;margin:0 0 4px;text-align:center}.tcc-compare-wrap h2 .serif{color:var(--green);font-weight:400}.tcc-compare-sub{text-align:center;color:var(--ink-3);font-size:14px;margin:0 0 22px}.tcc-compare-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.tcc-cmp-card{background:var(--card);border:1.5px solid var(--line);border-radius:12px;padding:18px 16px;text-align:center;position:relative}.tcc-cmp-card.best{border-color:var(--green);box-shadow:var(--shadow-md)}.tcc-cmp-badge{position:absolute;top:-10px;left:50%;transform:translateX(-50%);background:var(--green);color:#fff;font-size:10px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;padding:4px 10px;border-radius:100px;white-space:nowrap}.tcc-cmp-card h4{font-size:12.5px;font-weight:800;color:var(--ink-2);margin:6px 0 10px}.tcc-cmp-cost{font-size:22px;font-weight:800;color:var(--ink);letter-spacing:-.02em}.tcc-cmp-time{font-size:12px;color:var(--ink-3);margin-top:4px}.mini-btn{flex:1;padding:11px;border-radius:100px;background:rgba(255,255,255,.12)!important;color:#fff!important;font-weight:700;font-size:13px;text-align:center}.mini-btn:hover{background:rgba(255,255,255,.2)!important}.mini-btn-row{display:flex;gap:8px;margin-top:16px;position:relative}.co2-note{background:rgba(74,222,128,.14);border-radius:10px;padding:12px 14px;font-size:12.5px;line-height:1.5;color:#c6f6d5;margin-top:12px;position:relative;display:flex;gap:8px;align-items:flex-start}.confetti-piece{position:fixed;top:-12px;border-radius:2px;pointer-events:none;z-index:999;animation:tcc-confetti-fall linear forwards}@keyframes tcc-confetti-fall{to{transform:translateY(110vh) rotate(600deg);opacity:.15}}@media (max-width:860px){.tcc-compare-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:860px){.tool-wrap{grid-template-columns:1fr}.cross-grid{grid-template-columns:1fr}}@media (max-width:600px){.tool-head h1{font-size:32px}}