:root{color-scheme:dark;--bg:#101827;--panel:#192536;--line:#304055;--text:#edf3f9;--muted:#a6b6c7;--green:#6ee7b7;--blue:#93c5fd;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 85% 0,#203747 0,transparent 42%),var(--bg);color:var(--text);font-size:15px;line-height:1.6}.shell{max-width:1160px;padding:0 32px;margin:auto}header{height:104px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;gap:12px;align-items:center;color:inherit;text-decoration:none;font-size:22px;font-weight:700}.brand small{display:block;font-size:10px;letter-spacing:1.5px;color:var(--muted);font-weight:500}.mark{display:grid;place-items:center;background:#1d473d;color:var(--green);width:44px;height:44px;border:1px solid #345e51;border-radius:12px}.badge{font-size:12px;color:var(--muted);padding:6px 12px;border:1px solid var(--line);border-radius:20px}.intro{padding:35px 0 34px}.eyebrow{font-size:11px;letter-spacing:1.6px;color:var(--green)}h1{font-size:44px;line-height:1.25;letter-spacing:-1px;margin:12px 0 16px}h1 br{display:none}.intro p{color:var(--muted);margin:0}.workspace{display:grid;grid-template-columns:1.25fr 1fr;gap:24px;align-items:start}.panel{min-width:0;background:linear-gradient(135deg,#1d2b3d,#162232);border:1px solid var(--line);border-radius:16px;padding:28px;box-shadow:0 12px 32px #0002}fieldset{min-width:0;border:0;margin:0 0 28px;padding:0}fieldset:not(:first-child){border-top:1px solid var(--line);padding-top:22px}legend{font-size:17px;font-weight:650;padding:0;margin-bottom:16px;display:block;width:auto}legend span{font-size:12px;color:var(--green);margin-right:9px}fieldset:after{content:"";display:block;clear:both}label{display:block;font-size:12px;color:var(--muted);margin-bottom:14px}.grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.grid label{min-width:0}input,select,button{font:inherit}input:not([type=checkbox]),select{display:block;width:100%;min-width:0;padding:11px 12px;height:46px;margin-top:7px;background:#101c2a;border:1px solid #35465c;border-radius:9px;color:var(--text);font-size:16px}input:focus-visible,select:focus-visible,button:focus-visible,a:focus-visible{outline:2px solid var(--green);outline-offset:3px}input::placeholder{color:#70849b;font-size:13px}.check{display:flex;align-items:center;gap:8px}.check input{accent-color:var(--green);width:16px;height:16px;margin:0}.check small{margin-left:auto;font-size:10px}.hint,.muted{color:var(--muted);font-size:12px;margin:0 0 12px}.segments{display:flex;gap:4px;padding:4px;background:#0f1b2a;border-radius:10px;margin-bottom:18px}.segments button{flex:1;border:0;background:transparent;color:var(--muted);padding:9px 5px;font-size:12px;border-radius:7px;cursor:pointer}.segments .active{background:#2d4055;color:var(--text)}button{transition:background-color .16s,color .16s,box-shadow .16s}.primary,.secondary{width:100%;border-radius:10px;padding:12px;border:0;cursor:pointer;font-size:14px;font-weight:650}.primary{background:var(--green);color:#09271e;display:flex;justify-content:space-between}.primary:hover{background:#9af0cd}.secondary{border:1px solid #45617b;background:#233950;color:#d7e7f7}.secondary:disabled{opacity:.45;cursor:default}.results{position:sticky;top:24px}.results h2{font-size:18px;font-weight:500;margin:14px 0 6px}.hero-value{font-size:48px;letter-spacing:-1.5px;line-height:1.4;color:var(--green);font-weight:750;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}.days{display:flex;align-items:center;justify-content:space-between;background:#233647;padding:14px;border-radius:10px;margin:24px 0;font-size:13px}.days strong{color:var(--blue)}dl{margin:0 0 24px}dl div{display:flex;justify-content:space-between;gap:20px;margin:13px 0;font-size:13px}dt{color:var(--muted)}dd{margin:0;text-align:right;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.total{border-top:1px solid var(--line);padding-top:22px;display:flex;flex-direction:column;gap:8px;font-size:13px;color:var(--muted)}.total strong{font-size:32px;color:var(--text);overflow-wrap:anywhere}.daily{display:grid;grid-template-columns:1fr 1fr;gap:16px;padding:20px 0}.daily span{display:block;color:var(--muted);font-size:11px}.daily strong{font-size:14px;font-variant-numeric:tabular-nums}.explanation{margin-top:26px;padding:24px 28px}.explanation h2{font-size:16px;margin:0 0 12px}.explanation p{color:var(--muted);font-size:12px}.explanation .formula{color:var(--green);font-size:14px}footer{padding-top:32px!important;padding-bottom:32px!important;display:flex;justify-content:space-between;color:#8396ad;font-size:11px}#error{padding:12px;border-radius:8px;background:#482b32;color:#fecaca;font-size:13px}[hidden]{display:none!important}@media(max-width:768px){.shell{padding:0 20px}header{height:85px}.badge{display:none}h1{font-size:34px}.workspace{grid-template-columns:1fr}.results{position:static}.intro{padding:20px 0 28px}.desktop{display:none}.panel{padding:23px}.grid{gap:12px}footer{display:block}footer span{display:block;margin-top:5px}}@media(max-width:390px){.shell{padding:0 14px}.panel{padding:18px}.hero-value{font-size:40px}.segments button{font-size:11px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}