:root{
  --ink:#18181b; --ink2:#71717a; --line:#ececec; --bg:#fafafa;
  --card:#ffffff; --brand:#18181b; --brand2:#ea580c;
  --deal:#f97316; --deal-bg:#fff7ed; --good:#16a34a; --good-bg:#ecfdf5;
  --warn:#dc2626; --warn-bg:#fef2f2;
  --buy:#ea580c; --retail:#71717a;
}
*{box-sizing:border-box}
body{margin:0;font-family:"Noto Sans TC","PingFang TC","Segoe UI",system-ui,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--brand2);text-decoration:none}
.wrap{max-width:980px;margin:0 auto;padding:0 18px}
/* nav */
header.nav{background:var(--brand);color:#fff;position:sticky;top:0;z-index:9}
.nav .wrap{display:flex;align-items:center;gap:22px;height:58px}
.logo{font-weight:800;font-size:20px;letter-spacing:1px;color:#fff}
.logo small{font-weight:400;opacity:.7;font-size:12px;margin-left:4px}
.nav a.link{color:#dfe7f2;font-size:14px}
.nav a.link:hover,.nav a.link.on{color:#fff;font-weight:700}
.nav .spacer{flex:1}
/* generic */
.crumb{font-size:13px;color:var(--ink2);padding:14px 0 0}
h1{font-size:26px;margin:6px 0 2px}
h2.sec{font-size:19px;margin:26px 0 12px}
.sub{color:var(--ink2);font-size:15px;margin-bottom:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin:0 0 18px}
.card h2{font-size:17px;margin:0 0 14px;display:flex;align-items:center;gap:8px}
.card h2 .dot{width:8px;height:8px;border-radius:50%;background:var(--brand2)}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:0 0 18px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.stat .k{font-size:13px;color:var(--ink2)}
.stat .v{font-size:24px;font-weight:800;margin-top:2px}
.stat .v small{font-size:14px;font-weight:600;color:var(--ink2)}
/* pills / badges */
.pill{display:inline-block;font-size:12px;font-weight:700;padding:2px 8px;border-radius:6px}
.pill.r{background:var(--good-bg);color:var(--good)}
.badge{display:inline-block;color:#fff;font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px;letter-spacing:.5px}
.badge.deal{background:var(--deal)} .badge.good{background:var(--good)} .badge.warn{background:var(--warn)}
/* ai card */
.ai{background:linear-gradient(180deg,#fff,var(--deal-bg));border:1px solid #fde4bf;border-radius:16px;padding:20px 22px;margin:0 0 18px;position:relative}
.ai .price{font-size:34px;font-weight:800;color:var(--deal);margin:8px 0 2px}
.ai .price small{font-size:16px;color:var(--ink2);font-weight:600}
.ai .reason{color:var(--ink2);font-size:14px;max-width:660px}
.ai .yr{position:absolute;top:18px;right:20px;font-size:13px;color:var(--ink2);background:#fff;border:1px solid var(--line);border-radius:8px;padding:4px 10px}
/* bands */
.band{margin:14px 0}
.band .lab{display:flex;justify-content:space-between;font-size:13px;color:var(--ink2);margin-bottom:6px}
.band .lab b{color:var(--ink);font-size:15px}
.bar{height:14px;border-radius:8px;position:relative;background:#eef1f6}
.bar .fill{position:absolute;height:100%;border-radius:8px;opacity:.85}
.buy .fill{background:var(--buy)} .retail .fill{background:var(--retail)}
.legend{font-size:12px;color:var(--ink2);margin-top:4px}
/* tables */
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:10px 8px;text-align:right;border-bottom:1px solid var(--line)}
th:first-child,td:first-child{text-align:left}
thead th{color:var(--ink2);font-weight:600;font-size:13px}
tbody tr:hover{background:#fafafa}
/* spec / rank */
.spec{display:grid;grid-template-columns:repeat(2,1fr);gap:8px 24px}
.spec div{display:flex;justify-content:space-between;border-bottom:1px dashed var(--line);padding:7px 0;font-size:14px}
.spec span{color:var(--ink2)}
.rank ol{margin:0;padding-left:18px}
.rank li{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid var(--line);font-size:14px}
.rank li b{color:var(--good)}
.chart{width:100%;height:170px}
.disc{font-size:12px;color:var(--ink2);background:#eef1f6;border-radius:10px;padding:12px 14px;margin:0 0 26px}
footer{background:var(--brand);color:#cbd5e1;font-size:13px;padding:22px 0;margin-top:10px}
/* hero search (home) */
.hero{background:linear-gradient(135deg,#18181b,#ea580c);color:#fff;padding:46px 0 40px;margin-bottom:6px}
.hero h1{font-size:30px;margin:0 0 6px;color:#fff}
.hero p{color:#d4d4d8;font-size:15px;margin:0 0 20px}
.search{display:flex;gap:8px;max-width:560px}
.search input{flex:1;border:0;border-radius:10px;padding:13px 16px;font-size:15px}
.search button{border:0;border-radius:10px;background:var(--deal);color:#fff;font-weight:700;padding:0 22px;font-size:15px;cursor:pointer}
.tags{margin-top:12px;font-size:13px;color:#d4d4d8}
.tags a{color:#fff;background:rgba(255,255,255,.14);padding:4px 11px;border-radius:999px;margin-right:8px;display:inline-block;margin-top:6px}
/* card grid (home / sell) */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.cmodel{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.15s}
.cmodel:hover{box-shadow:0 6px 20px rgba(16,26,43,.08);transform:translateY(-2px)}
.cmodel .ph{height:120px;background:linear-gradient(135deg,#eef2f7,#f7f9fc);display:flex;align-items:center;justify-content:center;color:#9fb0c6;font-size:13px}
.cmodel .ph img{max-height:108px;max-width:94%;object-fit:contain}
.carhero{background:linear-gradient(135deg,#eef2f7,#f7f9fc);border:1px solid var(--line);border-radius:14px;text-align:center;padding:8px;margin:0 0 18px}
.carhero img{max-width:100%;max-height:230px;object-fit:contain}
.cmodel .body{padding:12px 14px}
.cmodel .name{font-weight:700;font-size:15px}
.cmodel .meta{font-size:12px;color:var(--ink2);margin:2px 0 8px}
.cmodel .row{display:flex;justify-content:space-between;font-size:13px;color:var(--ink2)}
.cmodel .row b{color:var(--ink)}
/* feature blocks (home) */
.feats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:8px 0 6px}
.feat{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px}
.feat .ic{font-size:22px}
.feat h3{margin:8px 0 4px;font-size:16px}
.feat p{margin:0;font-size:13px;color:var(--ink2)}
/* filter chips */
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 16px}
.chip{font-size:13px;border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 14px;cursor:pointer}
.chip.on{background:var(--brand);color:#fff;border-color:var(--brand)}
/* form (tool) */
.form{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.form label{font-size:13px;color:var(--ink2);display:block;margin-bottom:5px}
.form select,.form input{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 12px;font-size:15px;background:#fff}
.form .full{grid-column:1/-1}
.btn{border:0;border-radius:10px;background:var(--deal);color:#fff;font-weight:700;padding:13px 22px;font-size:15px;cursor:pointer}
.btn.ghost{background:#fff;color:var(--brand);border:1px solid var(--brand)}
@media(max-width:680px){.grid3,.cards,.feats{grid-template-columns:1fr 1fr}.spec,.form{grid-template-columns:1fr}.ai .yr{position:static;display:inline-block;margin-bottom:8px}.nav a.link{display:none}.nav a.link.on{display:inline}}

/* ===== Carbook v2：賣車預測漏斗元件 ===== */
.hero2{background:radial-gradient(120% 140% at 80% 0%,#ea580c 0%,#18181b 45%,#0a0a0a 100%);color:#fff;padding:54px 0 46px}
.hero2 .badge2{display:inline-block;font-size:12px;letter-spacing:1px;color:#d4d4d8;border:1px solid rgba(255,255,255,.25);border-radius:999px;padding:4px 12px;margin-bottom:14px}
.hero2 h1{font-size:34px;line-height:1.25;margin:0 0 10px;color:#fff}
.hero2 h1 b{color:#fb923c}
.hero2 p{color:#d4d4d8;font-size:15px;margin:0 0 22px;max-width:560px}
.estbox{background:#fff;border-radius:16px;padding:16px;max-width:600px;box-shadow:0 18px 50px rgba(7,20,40,.35)}
.estbox .grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.estbox select,.estbox input{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 12px;font-size:14px;background:#fff;color:var(--ink)}
.estbox .full{grid-column:1/-1}
.estbox .go{width:100%;border:0;border-radius:10px;background:var(--deal);color:#fff;font-weight:800;font-size:16px;padding:14px;margin-top:10px;cursor:pointer}
.trust{display:flex;gap:22px;flex-wrap:wrap;color:#d4d4d8;font-size:13px;margin-top:16px}
.trust b{color:#fff}
/* index 指標感 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:6px 0}
.step{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px}
.step .n{width:30px;height:30px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px}
.step h3{margin:10px 0 4px;font-size:16px}.step p{margin:0;font-size:13px;color:var(--ink2)}
/* 估價結果：大數字 */
.bigprice{background:linear-gradient(180deg,#fff,var(--deal-bg));border:1px solid #fde4bf;border-radius:18px;padding:24px;text-align:center;margin:0 0 16px}
.bigprice .lab{font-size:14px;color:var(--ink2)}
.bigprice .num{font-size:52px;font-weight:800;color:var(--deal);line-height:1.1;margin:6px 0;font-variant-numeric:tabular-nums}
.bigprice .num small{font-size:22px;font-weight:700}
.bigprice .rng{font-size:14px;color:var(--ink2)}
.xref{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:0 0 16px}
.xref .c{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:13px 14px;text-align:center}
.xref .c .k{font-size:12px;color:var(--ink2)}.xref .c .v{font-size:20px;font-weight:800;margin-top:3px;font-variant-numeric:tabular-nums}
.opts{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:0 0 16px}
.opt{border:1px solid var(--line);border-radius:14px;padding:16px;background:#fff}
.opt.best{border-color:var(--deal);box-shadow:0 6px 18px rgba(224,123,57,.14)}
.opt .t{font-weight:700;font-size:15px;display:flex;justify-content:space-between;align-items:center}
.opt .p{font-size:22px;font-weight:800;margin:6px 0;font-variant-numeric:tabular-nums}
.opt .d{font-size:12px;color:var(--ink2)}
.opt .tag{font-size:11px;font-weight:700;color:#fff;background:var(--deal);border-radius:6px;padding:2px 7px}
/* 車商競標 */
.bids li{display:flex;align-items:center;gap:12px;padding:11px 0;border-bottom:1px solid var(--line)}
.bids .av{width:34px;height:34px;border-radius:50%;background:#eef2f7;display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--brand);font-weight:800}
.bids .nm{flex:1;font-size:14px}.bids .nm small{display:block;color:var(--ink2);font-size:12px}
.bids .bd{font-size:18px;font-weight:800;color:var(--good);font-variant-numeric:tabular-nums}
.bids ul{list-style:none;padding:0;margin:0}
@media(max-width:680px){.estbox .grid{grid-template-columns:1fr}.steps,.opts{grid-template-columns:1fr}.xref{grid-template-columns:1fr 1fr}.hero2 h1{font-size:27px}.bigprice .num{font-size:42px}}

/* ===== 百科 / 工具玩法 ===== */
.wikihero{display:grid;grid-template-columns:1.1fr 1fr;gap:18px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;margin:0 0 18px}
.wikihero .ph{background:linear-gradient(135deg,#eef2f7,#f7f9fc);border-radius:12px;text-align:center;padding:10px}
.wikihero .ph img{max-width:100%;max-height:200px;object-fit:contain}
.wikihero .kv{display:grid;grid-template-columns:1fr 1fr;gap:6px 18px;margin-top:8px}
.wikihero .kv div{display:flex;justify-content:space-between;font-size:13px;border-bottom:1px dashed var(--line);padding:6px 0}
.wikihero .kv span{color:var(--ink2)}
.toc{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 16px}
.toc a{font-size:13px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 13px;color:var(--ink2)}
.toc a:hover{border-color:var(--brand2);color:var(--brand2)}
.faults li{display:flex;gap:12px;padding:11px 0;border-bottom:1px solid var(--line);font-size:14px}
.faults .sev{flex-shrink:0;width:54px;text-align:center;font-size:12px;font-weight:700;border-radius:6px;padding:3px 0;height:24px}
.faults .hi{background:var(--warn-bg);color:var(--warn)} .faults .mid{background:#fff3e0;color:#b06a16} .faults .lo{background:var(--good-bg);color:var(--good)}
.faults .ft b{display:block} .faults .ft small{color:var(--ink2)}
.faults ul{list-style:none;padding:0;margin:0}
.stars{color:#f97316;letter-spacing:2px}
.scorebar{display:grid;grid-template-columns:90px 1fr 40px;gap:10px;align-items:center;margin:7px 0;font-size:13px}
.scorebar .tr{height:9px;background:#eef1f6;border-radius:6px;overflow:hidden}
.scorebar .tr i{display:block;height:100%;background:var(--brand2);border-radius:6px}
.tco-bars{display:grid;gap:9px;margin:6px 0}
.tco-bars .r{display:grid;grid-template-columns:96px 1fr 70px;gap:10px;align-items:center;font-size:13px}
.tco-bars .tr{height:18px;background:#eef1f6;border-radius:5px;overflow:hidden}
.tco-bars .tr i{display:block;height:100%;border-radius:5px}
.tco-total{font-size:30px;font-weight:800;color:var(--deal);font-variant-numeric:tabular-nums}
.quiz .q{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin:0 0 12px}
.quiz .q h3{margin:0 0 10px;font-size:15px}
.quiz .opts2{display:flex;gap:8px;flex-wrap:wrap}
.quiz .opts2 span{border:1px solid var(--line);border-radius:999px;padding:7px 14px;font-size:13px;cursor:pointer;background:#fff}
.quiz .opts2 span.on{background:var(--brand);color:#fff;border-color:var(--brand)}
.reco{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.cmp th,.cmp td{text-align:center}.cmp th:first-child,.cmp td:first-child{text-align:left;color:var(--ink2)}
.cmp .win{color:var(--good);font-weight:800}
@media(max-width:680px){.wikihero{grid-template-columns:1fr}.reco{grid-template-columns:1fr}}

/* ===== 更多玩法元件 ===== */
.plate{max-width:420px;margin:0 auto}
.plate .pin{display:flex;border:3px solid #111;border-radius:10px;overflow:hidden;background:#fff}
.plate .pin .tw{background:#0a0a0a;color:#fff;font-weight:800;padding:0 12px;display:flex;align-items:center;font-size:13px;letter-spacing:1px}
.plate .pin input{flex:1;border:0;font-size:30px;font-weight:800;text-align:center;letter-spacing:4px;padding:14px 8px;text-transform:uppercase;color:#111}
.plate .go{width:100%;margin-top:12px;border:0;border-radius:10px;background:var(--deal);color:#fff;font-weight:800;font-size:17px;padding:15px;cursor:pointer}
.chat{max-width:680px}
.msg{display:flex;margin:10px 0}
.msg .b{max-width:78%;padding:11px 14px;border-radius:14px;font-size:14px;line-height:1.55}
.msg.user{justify-content:flex-end}.msg.user .b{background:var(--brand);color:#fff;border-bottom-right-radius:4px}
.msg.bot .b{background:#fff;border:1px solid var(--line);border-bottom-left-radius:4px}
.msg.bot .b b{color:var(--deal)}
.askbar{display:flex;gap:8px;margin-top:14px}
.askbar input{flex:1;border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-size:15px}
.askbar button{border:0;border-radius:10px;background:var(--deal);color:#fff;font-weight:700;padding:0 20px;cursor:pointer}
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.tier{border:1px solid var(--line);border-radius:16px;padding:20px;background:#fff;text-align:center}
.tier.hot{border-color:var(--deal);box-shadow:0 8px 24px rgba(224,123,57,.14)}
.tier .nm{font-weight:800;font-size:16px}
.tier .pr{font-size:30px;font-weight:800;margin:8px 0;font-variant-numeric:tabular-nums}.tier .pr small{font-size:14px;color:var(--ink2);font-weight:600}
.tier ul{list-style:none;padding:0;margin:12px 0;text-align:left;font-size:13px;color:var(--ink2)}
.tier li{padding:5px 0;border-bottom:1px dashed var(--line)}
.tier li::before{content:"✓ ";color:var(--good);font-weight:800}
.alertcard{display:flex;align-items:center;gap:14px;border:1px solid var(--line);border-radius:14px;padding:16px;background:#fff;margin:0 0 12px}
.alertcard .ph{width:80px;height:54px;flex-shrink:0;background:linear-gradient(135deg,#eef2f7,#f7f9fc);border-radius:8px;display:flex;align-items:center;justify-content:center}
.alertcard .ph img{max-width:74px;max-height:48px;object-fit:contain}
.alertcard .info{flex:1}.alertcard .info b{font-size:15px}.alertcard .info small{display:block;color:var(--ink2);font-size:12px}
.toggle{width:46px;height:26px;border-radius:999px;background:var(--good);position:relative;cursor:pointer;flex-shrink:0}
.toggle::after{content:"";position:absolute;top:3px;right:3px;width:20px;height:20px;border-radius:50%;background:#fff}
@media(max-width:680px){.tiers{grid-template-columns:1fr}}

/* ===== 精準估價：分項瀑布 ===== */
.wf{margin:6px 0}
.wfrow{display:grid;grid-template-columns:110px 1fr 70px;gap:12px;align-items:center;margin:9px 0;font-size:13px}
.wfrow .lab{color:var(--ink2)}
.wfbar{height:18px;position:relative;background:#f3f5f9;border-radius:5px}
.wfbar .c{position:absolute;left:50%;top:-3px;bottom:-3px;width:2px;background:#cdd5e0}
.wfbar i{position:absolute;top:0;height:100%;border-radius:5px;opacity:.9}
.wfbar i.pos{left:50%;background:var(--good)}
.wfbar i.neg{right:50%;background:var(--warn)}
.wfamt{text-align:right;font-weight:800;font-variant-numeric:tabular-nums}
.wfamt.pos{color:var(--good)}.wfamt.neg{color:var(--warn)}.wfamt.base{color:var(--ink)}
.wftotal{display:grid;grid-template-columns:110px 1fr 70px;gap:12px;align-items:center;border-top:2px solid var(--line);margin-top:10px;padding-top:12px;font-size:15px}
.wftotal b{font-size:22px;color:var(--deal);font-variant-numeric:tabular-nums}
.whatif li{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--line);font-size:13px}
.whatif .d{color:var(--warn);font-weight:700}.whatif .u{color:var(--good);font-weight:700}
.whatif ul{list-style:none;padding:0;margin:0}

/* ===== v3 視覺精修：更乾淨、更多留白 ===== */
body{background:#fafafa}
.wrap{max-width:920px}
h1{font-size:25px;letter-spacing:-.01em}
h2.sec{font-size:18px;margin:36px 0 14px}
.sub{font-size:14.5px}
/* 卡片：去重邊框、加柔陰影、加留白 */
.card{border-color:#ececec;border-radius:16px;padding:20px 22px;margin-bottom:16px;box-shadow:0 1px 2px rgba(16,26,43,.04)}
.card h2{font-size:16px;margin-bottom:16px}
.stat{border-color:#ececec;border-radius:14px;box-shadow:0 1px 2px rgba(16,26,43,.04)}
.feat,.cmodel{border-color:#ececec;box-shadow:0 1px 2px rgba(16,26,43,.04)}
.feat{border-radius:16px;padding:20px}
.feat .ic{font-size:20px}
.feat h3{font-size:15px}
.feats{gap:16px}
.cards{gap:16px}
.grid3{gap:14px}
.disc{background:#fff;border:1px solid #ececec;border-radius:12px;box-shadow:0 1px 2px rgba(16,26,43,.04)}
.toc a,.chip{border-color:#e8ebf0}
/* 頁尾 sitemap 風格 */
footer{padding:30px 0 26px}
.ftbrand{font-weight:800;font-size:18px;color:#fff;margin-bottom:14px}
.ftcols{display:grid;grid-template-columns:repeat(4,1fr);gap:14px 18px}
.ftcols b{display:block;color:#94a3b8;font-size:12px;font-weight:600;margin-bottom:8px;letter-spacing:.5px}
.ftcols a{display:block;color:#cbd5e1;font-size:13px;padding:3px 0}
.ftcols a:hover{color:#fff}
.ftbottom{border-top:1px solid rgba(255,255,255,.1);margin-top:20px;padding-top:14px;font-size:12px;color:#94a3b8}
@media(max-width:680px){.ftcols{grid-template-columns:1fr 1fr}}

/* ===== 漸進式估價流程（KBB/WBAC 風） ===== */
.qwrap{max-width:540px;margin:0 auto;padding:8px 0 30px}
.qstart{background:#fff;border:1px solid #ececec;border-radius:18px;padding:24px;box-shadow:0 1px 2px rgba(16,26,43,.04)}
.qstart .row{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:10px}
.qstart select{width:100%;border:1px solid #e2e7ee;border-radius:10px;padding:12px;font-size:14px;background:#fff}
.qstart .full{grid-column:1/-1}
.qstart .go{width:100%;border:0;border-radius:12px;background:var(--deal);color:#fff;font-weight:800;font-size:17px;padding:15px;cursor:pointer}
.qbig{text-align:center;padding:8px 0 4px}
.qbig .lab{color:var(--ink2);font-size:14px}
.qbig .num{font-size:56px;font-weight:800;color:var(--deal);font-variant-numeric:tabular-nums;line-height:1.05}
.qbig .num small{font-size:22px}
.qbig .rng{color:var(--ink2);font-size:13px;min-height:18px}
.qprog{display:flex;gap:6px;justify-content:center;margin:12px 0 16px}
.qprog i{width:30px;height:5px;border-radius:3px;background:#e2e7ee;transition:.2s}
.qprog i.on{background:var(--deal)}
.qcard{background:#fff;border:1px solid #ececec;border-radius:18px;padding:26px 24px;box-shadow:0 1px 2px rgba(16,26,43,.04);text-align:center}
.qcard h3{margin:0 0 18px;font-size:19px}
.qchoices{display:flex;flex-direction:column;gap:10px;max-width:380px;margin:0 auto}
.qchoices button{border:1.5px solid #e2e7ee;background:#fff;border-radius:12px;padding:14px;font-size:15px;cursor:pointer;font-weight:600;color:var(--ink);transition:.12s}
.qchoices button:hover{border-color:var(--deal);background:var(--deal-bg)}
.qback{display:block;margin:16px auto 0;background:none;border:0;color:var(--ink2);font-size:13px;cursor:pointer;text-decoration:underline}
.qresult .opts{margin-top:16px}

/* ===== v4 直覺化：意圖分流 ===== */
.hero2{padding:60px 0 52px}
.hero2 h1{font-size:38px;line-height:1.2}
.herobtns{display:flex;gap:14px;flex-wrap:wrap;margin-top:8px}
.herobtns a{flex:1;min-width:200px;display:flex;align-items:center;gap:14px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);border-radius:16px;padding:18px 20px;color:#fff;transition:.15s}
.herobtns a:hover{background:#fff;color:var(--brand)}
.herobtns a:hover .sub{color:var(--ink2)}
.herobtns .ic{font-size:30px;line-height:1}
.herobtns .t{font-weight:800;font-size:18px}
.herobtns .sub{font-size:13px;opacity:.85}
.herobtns .arrow{margin-left:auto;font-size:20px;font-weight:800}
.section-lead{text-align:center;max-width:560px;margin:0 auto 18px}
.section-lead h2{font-size:22px;margin:0 0 6px}
.section-lead p{color:var(--ink2);font-size:14px;margin:0}
@media(max-width:680px){.hero2 h1{font-size:28px}.herobtns a{min-width:100%}}

/* ===== v4 乾淨白：白底選單 + 精修 ===== */
header.nav{background:#fff;border-bottom:1px solid var(--line);box-shadow:0 1px 2px rgba(15,23,42,.03)}
.logo{color:var(--ink)} .logo small{color:var(--ink2)}
.nav a.link{color:var(--ink2)}
.nav a.link:hover,.nav a.link.on{color:var(--brand2)}
.btn,.go,.estbox .go,.qstart .go{box-shadow:0 1px 2px rgba(245,158,11,.25)}
.badge2{border-color:rgba(255,255,255,.3)}

/* ===== v5 石墨亮橙：深色選單 ===== */
header.nav{background:#18181b;border-bottom:0;box-shadow:none}
.logo{color:#fff} .logo small{color:#a1a1aa;opacity:1}
.nav a.link{color:#a1a1aa}
.nav a.link:hover,.nav a.link.on{color:#fb923c}
.btn,.go,.estbox .go,.qstart .go,.search button{box-shadow:0 2px 8px rgba(249,115,22,.28)}
footer{background:#18181b}

/* ===== v6 logo + 調亮 ===== */
.logo{display:inline-flex;align-items:center;gap:9px}
.logomark{flex-shrink:0;box-shadow:0 2px 6px rgba(249,115,22,.35)}
/* 白底選單（覆寫前一版深色，調亮） */
header.nav{background:#fff;border-bottom:1px solid var(--line);box-shadow:0 1px 2px rgba(0,0,0,.04)}
.logo{color:var(--ink)} .logo small{color:var(--ink2)}
.nav a.link{color:#52525b}
.nav a.link:hover,.nav a.link.on{color:#ea580c}
/* 亮版 hero（橙→白，文字轉深） */
.hero2{background:linear-gradient(180deg,#fff4ea 0%,#ffffff 72%);color:var(--ink);border-bottom:1px solid var(--line)}
.hero2 .badge2{color:#c2410c;background:#fff1e3;border:1px solid #fcd3ab}
.hero2 h1{color:var(--ink)} .hero2 h1 b{color:#ea580c}
.hero2 p{color:var(--ink2)}
.hero2 .trust{color:var(--ink2)} .hero2 .trust b{color:var(--ink)}
.herobtns a{background:#fff;border:1px solid var(--line);color:var(--ink);box-shadow:0 2px 8px rgba(20,20,20,.05)}
.herobtns a .sub{color:var(--ink2);opacity:1}
.herobtns a:hover{background:#18181b;color:#fff;border-color:#18181b}
.herobtns a:hover .sub{color:#d4d4d8}
.estbox{box-shadow:0 12px 36px rgba(20,20,20,.12)}
footer{background:#1c1c1f}

/* 先隱藏所有車圖 */
.cmodel .ph, .carhero, .wikihero .ph{display:none !important}
.cmodel .body{padding-top:14px}