:root{--ink:#253a31;--green:#195142;--soft:#eaf3ec;--line:#d4e2d8;--muted:#63746d;--paper:#f5f8f5;--white:#fff}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.65 system-ui,-apple-system,"Noto Sans TC",sans-serif}
a{color:var(--green)}button,select,input{font:inherit}button{cursor:pointer}button:disabled{opacity:.45;cursor:default}
button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible{outline:3px solid #d5a84b;outline-offset:2px}
[hidden]{display:none!important}.skip{position:absolute;top:-80px;background:white;left:8px;padding:10px}.skip:focus{top:5px}
.wrap{max-width:1270px;margin:auto;padding:0 22px}header{background:#163c32;color:#fff}.head{display:flex;align-items:center;justify-content:space-between;gap:15px;padding-top:15px;padding-bottom:15px}.brand{color:#fff;font-weight:750;text-decoration:none}
.hero{padding:30px 0 12px}.eyebrow{font-weight:700;letter-spacing:.12em;color:var(--green);font-size:.76rem}h1{font-size:clamp(1.6rem,4vw,2.45rem);line-height:1.3;margin:5px 0 9px}h2{margin:0 0 15px;font-size:1.25rem}h3{margin:0 0 5px;font-size:1.02rem}p{margin:6px 0 12px}
.stats{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0}.stats>span{background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:11px 16px;font-size:.86rem}
.panel{border:1px solid var(--line);background:#fff;border-radius:14px;padding:20px;margin:14px 0;min-width:0}
.tabs{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:15px}.tabs button{background:#f8fbf8;border:1px solid var(--line);border-radius:10px;padding:9px 16px}.tabs button[aria-pressed=true]{background:var(--green);border-color:var(--green);color:#fff}
.filters{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:11px}.filters label{display:grid;gap:4px;font-weight:650;font-size:.88rem}.filters input,.filters select{width:100%;min-width:0;padding:9px 10px;border:1px solid #b4cabc;border-radius:9px;background:white}
.overview{margin-top:16px;display:flex;justify-content:space-between;align-items:center;gap:12px}.secondary{border:1px solid #afc8b8;background:white;color:var(--green);font-weight:600;border-radius:9px;padding:8px 13px}
.layout{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(320px,1fr);gap:16px;align-items:start}.layout .panel{margin-top:0}
.result{width:100%;display:block;border:1px solid var(--line);border-radius:10px;text-align:left;background:#fcfefd;padding:11px 13px;margin-bottom:9px;color:var(--ink)}
.result:hover,.result[aria-pressed=true]{border-color:#6b9e7f;background:var(--soft)}
.result .meta{color:var(--muted);font-size:.77rem}.result strong{display:block;margin:4px 0;overflow-wrap:anywhere}.snippet{font-size:.84rem;line-height:1.5;color:#52655d;overflow-wrap:anywhere}
.pages{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:20px}
.detail{position:sticky;top:16px}.detail .q{padding:13px;background:#f3f8f3;border-radius:10px;white-space:pre-wrap;overflow-wrap:anywhere}.detail .answer{padding:12px;background:#e5f3e9;border-radius:10px}.detail .choices{list-style:none;padding:0;display:grid;gap:5px}.detail .choices li{background:#f8faf8;padding:8px 12px;border-radius:8px;white-space:pre-wrap;overflow-wrap:anywhere}.detail .choices li.correct{background:#e4f3e8;font-weight:650}
.detail h3{margin:14px 0 8px}.detail .long{white-space:pre-wrap;line-height:1.8;max-height:360px;overflow:auto;background:#f8faf8;border-radius:8px;padding:12px;overflow-wrap:anywhere}
.detail .meta{font-size:.85rem;color:var(--muted)}.detail a{overflow-wrap:anywhere}.error{background:#ffece9;border:1px solid #edb9b1;border-radius:10px;padding:15px}
footer{margin:30px 0 40px;border-top:1px solid var(--line);padding-top:18px;color:var(--muted);font-size:.82rem}
@media(max-width:940px){.layout{grid-template-columns:1fr}.detail{position:static}.filters{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:560px){.filters{grid-template-columns:1fr}.wrap{padding:0 13px}.panel{padding:15px}.overview{flex-wrap:wrap}.head{align-items:start}}