:root{--bg:#fff;--fg:#111;--mut:#4b5563;--line:#dfe5e3;--soft:#f3f7f6;--pri:#0f766e;--pri-d:#115e59;--hi:#fde047;--r:12px;--f:"Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,sans-serif}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:400 1rem/1.8 var(--f);overflow-wrap:anywhere}
img,svg,canvas{max-width:100%}img{height:auto;display:block;margin:0 auto}
a{color:var(--pri-d)}a:hover{color:#134e4a}
:focus-visible{outline:3px solid #f59e0b;outline-offset:2px}
.etw-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.etw-skip{position:absolute;left:-999px;top:0;background:#fff;padding:.5rem 1rem;z-index:100}.etw-skip:focus{left:8px;top:8px}
.etw-wrap{width:100%;max-width:1160px;margin:0 auto;padding:0 16px}
.etw-head{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.etw-head__in{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:56px}
.etw-logo{display:inline-flex;align-items:center;gap:8px;text-decoration:none;color:var(--fg);font-weight:700;font-size:1.2rem}
.etw-nav__list,.etw-foot__list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:2px 14px}
.etw-nav__list a,.etw-foot__list a{display:inline-block;min-height:44px;padding:10px 4px;color:var(--fg);text-decoration:none}
.etw-nav__list a:hover,.etw-foot__list a:hover{color:var(--pri);text-decoration:underline}
.etw-h1{font-weight:700;font-size:clamp(1.5rem,5vw,2.3rem);line-height:1.35;margin:20px 0 6px}
.etw-lead p{margin:0 0 16px;font-size:1.05rem;max-width:42em;color:#1f2937}
.etw-tool{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:16px 0 28px}
.etw-bar{position:sticky;top:56px;z-index:20;display:flex;gap:8px;background:var(--soft);padding:8px 0}
.etw-q{flex:1;min-width:0;font:inherit;font-size:1.05rem;padding:12px 14px;min-height:48px;border:2px solid var(--pri);border-radius:var(--r);background:#fff;color:var(--fg)}
.etw-clr{font:inherit;min-height:48px;padding:0 14px;border:1px solid #6b7280;border-radius:var(--r);background:#fff;cursor:pointer}
.etw-tabs{display:flex;gap:8px;overflow-x:auto;padding:4px 0 8px;-webkit-overflow-scrolling:touch}
.etw-tab{flex:none;font:500 .95rem var(--f);min-height:44px;padding:0 16px;border-radius:999px;border:1px solid #9ca3af;background:#fff;color:var(--fg);cursor:pointer}
.etw-tab.is-on{background:var(--pri);border-color:var(--pri);color:#fff}
.etw-count{margin:4px 0 10px;color:var(--mut);font-size:.92rem;min-height:1.5em}
.etw-cols{display:grid;grid-template-columns:minmax(0,1fr);gap:16px}
.etw-gridwrap{min-width:0}
.etw-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(52px,1fr));gap:6px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:10px;max-height:62vh;overflow-y:auto}
.etw-e{font-size:28px;line-height:1;min-height:52px;border:1px solid transparent;border-radius:10px;background:#fff;cursor:pointer;font-family:"Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji",sans-serif}
.etw-e:hover{background:#fef9c3;border-color:#eab308}
.etw-more{margin-top:10px;font:600 .95rem var(--f);min-height:44px;padding:0 18px;border-radius:10px;border:2px solid var(--pri);background:#fff;color:var(--pri-d);cursor:pointer}
.etw-side{display:grid;gap:14px;align-content:start}
.etw-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:14px}
.etw-big{font-size:64px;line-height:1.1;text-align:center;font-family:"Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji",sans-serif}
.etw-d-name,.etw-h3{font-size:1.15rem;font-weight:700;margin:6px 0 8px;line-height:1.4}
.etw-dl{display:grid;grid-template-columns:auto 1fr;gap:2px 12px;margin:0 0 10px;font-size:.92rem}
.etw-dl dt{color:var(--mut)}.etw-dl dd{margin:0}
.etw-btns{display:flex;flex-wrap:wrap;gap:8px}
.etw-b{font:600 .95rem var(--f);min-height:44px;padding:0 14px;border-radius:10px;border:2px solid var(--pri);background:#fff;color:var(--pri-d);cursor:pointer}
.etw-b:hover{background:var(--pri);color:#fff}
.etw-b--p{background:var(--pri);color:#fff}.etw-b--p:hover{background:var(--pri-d)}
.etw-small{font-size:.9rem;color:var(--mut);margin:2px 0 8px}
.etw-tray,.etw-in{width:100%;font:inherit;padding:10px 12px;border:1px solid #9ca3af;border-radius:10px;background:#fff;color:var(--fg);min-height:44px}
.etw-tray{font-size:1.4rem;margin-bottom:8px;font-family:"Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji",sans-serif}
.etw-ta{resize:vertical}
.etw-toast{position:fixed;left:50%;bottom:18px;transform:translateX(-50%);background:#111;color:#fff;border-radius:999px;padding:0 18px;line-height:40px;margin:0;font-size:.95rem;z-index:80;opacity:0;pointer-events:none;transition:opacity .15s}
.etw-toast:not(:empty){opacity:1}
.etw-ugc{margin-top:28px}
.etw-h2{font-size:clamp(1.25rem,3.5vw,1.6rem);font-weight:700;margin:0 0 6px;line-height:1.4}
.etw-combos{list-style:none;margin:0 0 12px;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.etw-combo{display:flex;flex-direction:column;align-items:flex-start;gap:0;min-height:44px;padding:6px 14px;border:1px solid #9ca3af;border-radius:12px;background:#fff;cursor:pointer;font-family:var(--f)}
.etw-combo__e{font-size:1.3rem}.etw-combo__t{font-size:.8rem;color:var(--mut)}
.etw-empty{color:var(--mut)}
.etw-form{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px;max-width:560px;margin:12px 0}
.etw-lab{display:block;font-weight:700;margin:10px 0 4px}
.etw-hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.etw-prose{max-width:820px;padding-top:22px;padding-bottom:30px}
.etw-prose h1{font-size:clamp(1.5rem,5vw,2.1rem);line-height:1.35;margin:0 0 6px}
.etw-prose h2{font-size:clamp(1.2rem,3.6vw,1.5rem);line-height:1.45;margin:2rem 0 .5rem}
.etw-prose h3{font-size:1.08rem;margin:1.3rem 0 .3rem}
.etw-prose table{width:100%;border-collapse:collapse;margin:1rem 0;font-size:.95rem}
.etw-prose th,.etw-prose td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
.etw-prose th{background:var(--soft)}
.etw-prose .etw-scroll{overflow-x:auto}.etw-prose .etw-scroll table{min-width:560px}
.etw-prose figure{margin:1.2rem 0;text-align:center}
.etw-prose figure img,.etw-prose img.aligncenter{display:block;margin:0 auto;width:100%;max-width:560px;height:auto}
.etw-prose figcaption{font-size:.88rem;color:var(--mut);margin-top:6px}
.etw-prose .rank-math-question{font-size:1.05rem;font-weight:700;margin:1.2rem 0 .2rem}.etw-prose .rank-math-answer{margin:0}
.etw-guide{max-width:820px}
.etw-upd{font-size:.88rem;color:var(--mut);margin:.2rem 0 1rem}
.etw-foot{border-top:1px solid var(--line);padding:18px 0;margin-top:30px}
.etw-foot__c{margin:8px 0 0;color:var(--mut);font-size:.88rem}
@media (min-width:920px){.etw-cols{grid-template-columns:minmax(0,1.6fr) minmax(300px,1fr);align-items:start}.etw-grid{max-height:70vh}.etw-side{position:sticky;top:130px}}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
.etw-lead .toc,.etw-home .toc{margin:0}
.etw-home nav.toc{max-width:1160px;margin:0 auto;padding:0 16px 12px}
.etw-home nav.toc ol{list-style:none;margin:0;padding:0;display:flex;gap:8px;overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch}
.etw-home nav.toc a{display:inline-block;min-height:44px;line-height:44px;padding:0 14px;border:1px solid #9ca3af;border-radius:999px;color:var(--fg);text-decoration:none;font-size:.92rem;background:#fff}
.etw-home nav.toc a:hover{border-color:var(--pri);color:var(--pri-d)}
.etw-lead nav.toc{padding:0 0 12px;max-width:none}