:root{--bg:#faf7f2;--surface:#fffdf8;--ink:#3d342c;--ink-2:#7d7064;--ink-3:#a89c8f;--line:#e6dfd3;--base:#cfc4b4;--accent:#b9803a;--accent-ink:#8e5f25;--accent-tint:#b9803a1f;--error:#b5553f;--focus:#5b7a8c;--font-sans:"Noto Sans TC", "PingFang TC", "Heiti TC", "Microsoft JhengHei", sans-serif;--radius-sm:8px;--radius-md:12px;--radius-lg:16px}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#1f1b17;--surface:#2a251f;--ink:#efe8de;--ink-2:#b8ac9e;--ink-3:#8a7f72;--line:#3d362e;--base:#5a5045;--accent:#d9a35e;--accent-ink:#e8bc80;--accent-tint:#d9a35e24;--error:#e08a73;--focus:#8fb0c2;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}:root[data-theme=dark]{--bg:#1f1b17;--surface:#2a251f;--ink:#efe8de;--ink-2:#b8ac9e;--ink-3:#8a7f72;--line:#3d362e;--base:#5a5045;--accent:#d9a35e;--accent-ink:#e8bc80;--accent-tint:#d9a35e24;--error:#e08a73;--focus:#8fb0c2;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}[hidden]{display:none!important}body{background:var(--bg);color:var(--ink);font-family:var(--font-sans);-webkit-text-size-adjust:100%;margin:0;font-size:15px;line-height:1.6}.app{max-width:430px;padding-block:28px 40px;padding-left:max(16px, env(safe-area-inset-left,0px));padding-right:max(16px, env(safe-area-inset-right,0px));flex-direction:column;gap:20px;margin:0 auto;display:flex}.masthead{flex-direction:column;gap:8px;display:flex}.eyebrow{letter-spacing:.12em;color:var(--accent-ink);margin:0;font-size:12px;font-weight:500}h1{text-wrap:balance;margin:0;font-size:24px;font-weight:700;line-height:1.35}.lede{color:var(--ink-2);margin:0;font-size:14px}.form{flex-direction:column;gap:12px;display:flex}.block{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);flex-direction:column;gap:14px;padding:18px 16px;display:flex}.block-title{margin:0;font-size:15px;font-weight:700}.fields{flex-direction:column;gap:14px;display:flex}.row{grid-template-columns:1fr 1fr;gap:10px;display:grid}.row-3{grid-template-columns:repeat(3,1fr)}.field{flex-direction:column;gap:6px;min-width:0;display:flex}.label{color:var(--ink-2);font-size:13px}.hint{color:var(--ink-3);margin:0;font-size:12px}.error{color:var(--error);margin:0;font-size:12px}input:not([type]),select{width:100%;min-width:0;font:inherit;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-sm);font-variant-numeric:tabular-nums;padding:10px 12px;font-size:16px}select{appearance:none;background-image:linear-gradient(45deg, transparent 50%, var(--ink-3) 50%), linear-gradient(135deg, var(--ink-3) 50%, transparent 50%);background-position:calc(100% - 17px),calc(100% - 12px);background-repeat:no-repeat;background-size:5px 5px;padding-right:28px}.input-unit{align-items:center;display:flex;position:relative}.input-unit input{padding-right:52px}.input-unit span{color:var(--ink-3);pointer-events:none;font-size:13px;position:absolute;right:10px}.row-3 .input-unit input{padding-right:34px}.row-3 .input-unit span{font-size:12px;right:8px}.field.has-error input{border-color:var(--error)}input:focus-visible,select:focus-visible,.seg input:focus-visible+span,.check input:focus-visible{outline:2px solid var(--focus);outline-offset:2px}.seg{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-md);grid-auto-columns:1fr;grid-auto-flow:column;gap:4px;padding:4px;display:grid}.seg label{display:flex;position:relative}.seg input{opacity:0;pointer-events:none;position:absolute}.seg span{text-align:center;border-radius:var(--radius-sm);color:var(--ink-2);cursor:pointer;flex:1;padding:9px 6px;font-size:14px;transition:background-color .15s,color .15s}.seg-sm span{padding:7px 6px;font-size:13px}.seg input:checked+span{background:var(--surface);color:var(--ink);font-weight:500;box-shadow:0 1px 2px #3d342c1f}.seg .is-disabled span{cursor:not-allowed;color:var(--ink-3)}.seg small{font-size:11px}.check{color:var(--ink-2);cursor:pointer;align-items:center;gap:8px;font-size:14px;display:flex}.check input{width:18px;height:18px;accent-color:var(--accent);margin:0}.result{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);flex-direction:column;gap:16px;padding:22px 18px;display:flex}#result-ok{flex-direction:column;gap:18px;display:flex}.sample-note{color:var(--accent-ink);background:var(--accent-tint);border-radius:var(--radius-sm);align-self:flex-start;margin:0;padding:6px 10px;font-size:12px}.result-label{color:var(--ink-2);margin:0;font-size:13px}.big{color:var(--accent-ink);font-variant-numeric:tabular-nums;letter-spacing:-.01em;margin:2px 0 0;font-size:46px;font-weight:700;line-height:1.1}.currency{color:var(--ink-2);letter-spacing:0;margin-right:4px;font-size:.42em;font-weight:500}.compare{color:var(--ink-2);margin:6px 0 0;font-size:14px}.compare strong{color:var(--ink);font-weight:700}.result-empty{color:var(--ink-2);margin:0;font-size:14px}.tier-chart{height:54px;position:relative}.tier-track{background:var(--bg);border:1px solid var(--line);border-radius:6px;display:flex;position:absolute;inset:0 0 22px;overflow:hidden}.tier-cell{border-right:1px dashed var(--line);height:100%;position:relative}.tier-cell:last-child{border-right:0}.tier-fill{position:absolute;top:0;bottom:0}.tier-fill.base{background:var(--base)}.tier-fill.new{background:var(--accent)}.tier-tick{color:var(--ink-3);font-variant-numeric:tabular-nums;white-space:nowrap;font-size:10px;position:absolute;bottom:0;transform:translate(-50%)}.tier-legend{color:var(--ink-2);flex-wrap:wrap;gap:14px;margin-top:6px;font-size:12px;display:flex}.tier-legend span{align-items:center;gap:6px;display:inline-flex}.sw{border-radius:2px;width:10px;height:10px;display:inline-block}.sw-base{background:var(--base)}.sw-new{background:var(--accent)}.breakdown{border-collapse:collapse;font-variant-numeric:tabular-nums;width:100%;font-size:13px}.breakdown th{text-align:right;color:var(--ink-3);border-bottom:1px solid var(--line);padding:0 0 6px;font-size:12px;font-weight:500}.breakdown td{text-align:right;border-bottom:1px solid var(--line);padding:8px 0}.breakdown th:first-child,.breakdown td:first-child{text-align:left}.breakdown tfoot td{border-bottom:0;font-weight:700}.annual{flex-direction:column;gap:2px;padding-top:2px;display:flex}.annual-num{font-variant-numeric:tabular-nums;margin:0;font-size:26px;font-weight:700}.note{color:var(--ink-3);margin:4px 0 0;font-size:12px}.warn{color:var(--ink);background:var(--accent-tint);border-radius:var(--radius-sm);margin:0;padding:10px 12px;font-size:13px;line-height:1.6}.warn a{color:var(--accent-ink)}.foot{color:var(--ink-3);flex-direction:column;gap:6px;font-size:12px;display:flex}.foot p{margin:0}.foot a{color:var(--ink-2)}@media (prefers-reduced-motion:reduce){*{transition:none!important}}.estimate{background:var(--bg);border:1px dashed var(--line);border-radius:var(--radius-md);flex-direction:column;gap:10px;padding:14px;display:flex}.estimate-head{margin:0;font-size:14px}.estimate-head strong{color:var(--accent-ink);font-variant-numeric:tabular-nums;font-size:18px}.formula{border-collapse:collapse;width:100%;color:var(--ink-2);font-variant-numeric:tabular-nums;font-size:12px}.formula td{text-align:right;white-space:nowrap;padding:3px 0}.formula td:first-child{text-align:left;color:var(--ink-3)}.formula tfoot td{border-top:1px solid var(--line);color:var(--ink);padding-top:6px;font-weight:500}.estimate-stats{grid-template-columns:1fr 1fr;gap:10px;margin:0;display:grid}.estimate-stats div{flex-direction:column;gap:2px;display:flex}.estimate-stats dt{color:var(--ink-3);font-size:12px}.estimate-stats dd{font-variant-numeric:tabular-nums;margin:0;font-size:16px;font-weight:700}.estimate .note{margin:0}.link-btn{font:inherit;color:var(--accent-ink);text-underline-offset:3px;cursor:pointer;background:0 0;border:0;align-self:flex-start;padding:0;font-size:13px;text-decoration:underline}.link-btn:focus-visible{outline:2px solid var(--focus);outline-offset:2px}