/* 十年比較只使用本區樣式，不改動原有短期電費試算。 */
#tenyear-comparison{margin-top:40px;padding-top:32px;border-top:1px solid var(--line);scroll-margin-top:calc(var(--site-header-height,100px) + 16px);min-width:0}
#tenyear-comparison #tenyear-title{font:700 clamp(23px,2.8vw,32px)/1.5 var(--serif);margin:0 0 12px;color:var(--ink)}
#tenyear-comparison .tenyear-intro{color:var(--muted);font-size:14px}
#tenyear-comparison .note{padding:20px 24px;background:var(--tone-surface,#f5eddf);border-left:3px solid var(--jade);font-size:15px;line-height:1.9;margin:24px 0}
#tenyear-comparison .panel{padding:24px 0;border-bottom:1px solid var(--line)}
#tenyear-comparison h3{font:700 22px/1.5 var(--serif);margin:0 0 18px;color:var(--ink)}
#tenyear-comparison .panel p{font-size:14px;line-height:1.9;color:var(--muted);max-width:900px}
#tenyear-comparison .controls{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
#tenyear-comparison .controls label{display:block;font-size:14px;font-weight:600;color:var(--pine)}
#tenyear-comparison .controls .field-help{margin:8px 0 0;font-size:12px;font-weight:400;line-height:1.7;color:var(--muted);max-width:100%;overflow-wrap:break-word}
#tenyear-comparison input{display:block;width:100%;margin-top:8px;padding:12px;border:1px solid var(--line);font:400 16px var(--sans);color:var(--ink);background:var(--tone-surface,#f5eddf)}
#tenyear-comparison .scroll{overflow-x:auto;max-width:100%;margin-bottom:16px}
#tenyear-comparison table{border-collapse:collapse;width:100%;min-width:850px;font-size:14px;line-height:1.8;font-variant-numeric:tabular-nums}
#tenyear-comparison th,#tenyear-comparison td{padding:14px 12px;border-bottom:1px solid var(--line);text-align:right;vertical-align:top}
#tenyear-comparison th:first-child,#tenyear-comparison td:first-child{text-align:left}
#tenyear-comparison thead th{background:#f5eddf;color:var(--pine);font-weight:600}
#tenyear-comparison tbody tr:nth-child(odd)>*{background:#faf5ec}
#tenyear-comparison tbody tr:nth-child(even)>*{background:#e6dac7}
#tenyear-comparison .metric{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;font-size:14px}
#tenyear-comparison .metric>div{padding:18px;background:var(--tone-surface,#f5eddf);line-height:1.9}
#tenyear-comparison .metric strong{display:block;font-size:19px;color:var(--pine);margin:6px 0}
#tenyear-comparison a{color:var(--pine);text-underline-offset:4px;overflow-wrap:anywhere}
#tenyear-comparison .sources{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 28px}
#tenyear-comparison .sources h3{grid-column:1/-1;margin-bottom:4px}
#tenyear-comparison .sources p{margin:0;min-width:0}
@media(max-width:500px){#tenyear-comparison .sources{grid-template-columns:1fr}}
#tenyear-comparison button{padding:10px 18px;background:var(--pine);color:#fffef9;border:0;border-radius:5px;font:600 14px/1.5 var(--sans);cursor:pointer}
#tenyear-comparison :is(input,button,a,.scroll):focus-visible{outline:2px solid var(--jade);outline-offset:3px}
#tenyear-error{color:#8e321b;background:#fff4e8;padding:12px;font-size:14px}
#tenyear-error[hidden]{display:none}
.cost-nav-menu{position:relative;color:var(--pine);font-size:14px;flex-shrink:0}
.cost-nav-menu>summary{list-style:none;cursor:pointer;padding:6px 4px;white-space:nowrap;font-weight:500;line-height:1.5}
.cost-nav-menu>summary::-webkit-details-marker{display:none}
.cost-nav-menu>summary::after{content:' ▾';font-size:10px}
.cost-nav-menu>summary:focus-visible{outline:2px solid var(--pine);outline-offset:3px}
.cost-nav-options{position:fixed;z-index:20;top:var(--site-header-height,78px);right:max(5vw,28px);width:280px;max-width:90vw;padding:6px;background:#f5eddf;border:1px solid var(--line);box-shadow:0 5px 14px #37342b18}
body:not(.admin-page) .site-header nav .cost-nav-options a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px;min-height:0;border:0;border-radius:0;white-space:normal;letter-spacing:normal;text-align:left;line-height:1.5}
body:not(.admin-page) .site-header nav .cost-nav-options a+a{border-top:0}
body:not(.admin-page) .site-header nav .cost-nav-options a,
body:not(.admin-page) .site-header nav .cost-nav-options a:hover,
body:not(.admin-page) .site-header nav .cost-nav-options a:focus,
body:not(.admin-page) .site-header nav .cost-nav-options a:active{text-decoration:none}
.cost-nav-options strong{display:block;font-size:14px;font-weight:600}
.cost-nav-options small{display:block;font-size:12px;font-weight:400;line-height:1.7;margin-top:3px;color:var(--muted)}
.cost-choice-arrow{flex-shrink:0;font-size:20px}
@media(max-width:800px){#tenyear-comparison .controls{grid-template-columns:repeat(2,minmax(0,1fr))}#tenyear-comparison .metric{grid-template-columns:1fr}}
@media(max-width:500px){#tenyear-comparison .controls{grid-template-columns:1fr}#tenyear-comparison .note{padding:16px}#tenyear-comparison .panel{padding:20px 0}}
@media print{body>header,body>footer,body>dialog,main>section:not(#electricity-calculator),#electricity-calculator>:not(#tenyear-comparison),#tenyear-comparison .noprint{display:none!important}#electricity-calculator{padding:0!important;max-width:none}#tenyear-comparison{margin:0;padding:0;border:0}#tenyear-comparison .scroll{overflow:visible}#tenyear-comparison table{min-width:0;font-size:10px}#tenyear-comparison th,#tenyear-comparison td{padding:6px}#tenyear-comparison .controls{grid-template-columns:repeat(3,minmax(0,1fr))}}