:root{--red:#d0021b;--red-d:#a80016;--ink:#1d1f23;--mute:#6b7079;--line:#e6e8eb;--bg:#f6f7f8;--card:#fff;--green:#0a8f3c;--green-bg:#e7f6ec;--amber:#b25b00;--amber-bg:#fff2e0;--line-green:#06c755;--r:12px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang TC","Noto Sans TC","Microsoft JhengHei",sans-serif;color:var(--ink);background:var(--bg);line-height:1.55;font-size:15px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 14px}
.draft-bar{background:#fff4c2;color:#6b5400;font-size:12px;text-align:center;padding:4px 8px}
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.header-row{display:flex;align-items:center;justify-content:space-between;height:54px;gap:10px}
.logo{display:flex;align-items:center;gap:8px;min-width:0}
.logo-mark{background:var(--red);color:#fff;font-weight:800;letter-spacing:.5px;padding:3px 8px;border-radius:6px;font-size:15px}
.logo-text{font-weight:700;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.header-nav{display:flex;gap:14px;font-size:14px;flex-shrink:0}
.header-nav a{color:var(--mute)}
.header-nav .line-link{color:#fff;background:var(--line-green);padding:4px 10px;border-radius:99px;font-weight:600}
@media(max-width:420px){.header-nav a:not(.line-link):first-child{display:none}.logo-text{font-size:14px}}
main{min-height:60vh;padding-bottom:30px}
.loading{padding:40px;text-align:center;color:var(--mute)}
/* hero */
.hero{background:linear-gradient(135deg,#1d1f23,#3a0a10);color:#fff;border-radius:0 0 var(--r) var(--r);margin:0 -14px;padding:26px 18px 20px}
.hero h1{margin:0;font-size:24px;line-height:1.3}
.hero-sub{margin:6px 0 16px;color:#d9dbe0;font-size:14px}
.search{display:flex;background:#fff;border-radius:99px;padding:4px;box-shadow:0 2px 10px rgba(0,0,0,.15)}
.search input{flex:1;border:0;outline:0;font-size:16px;padding:9px 14px;border-radius:99px;min-width:0;background:transparent;color:var(--ink)}
.search button{border:0;background:var(--red);color:#fff;font-weight:700;font-size:15px;padding:0 18px;border-radius:99px;cursor:pointer}
.search.small{box-shadow:none;border:1px solid var(--line)}
.hero-stats{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap}
.hero-stats a{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);padding:5px 12px;border-radius:99px;font-size:13px}
.hero-stats b{color:#7dff9f}
/* blocks */
.block{margin-top:22px}
.block-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:10px}
.block h2{font-size:18px;margin:0}
.block-head a{color:var(--red);font-size:14px}
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
@media(min-width:640px){.cat-grid{grid-template-columns:repeat(4,1fr)}}
@media(min-width:960px){.cat-grid{grid-template-columns:repeat(6,1fr)}}
.cat{background:var(--card);border-radius:var(--r);overflow:hidden;border:1px solid var(--line);display:flex;flex-direction:column}
.cat .ci{aspect-ratio:1;background:#fff;display:flex;align-items:center;justify-content:center;padding:8px}
.cat .ci img{max-height:100%;object-fit:contain}
.cat .cn{padding:6px 8px 8px;font-size:13px;font-weight:600;line-height:1.3}
.cat .cn small{display:block;color:var(--mute);font-weight:400;font-size:12px}
.hscroll{display:grid;grid-auto-flow:column;grid-auto-columns:44%;gap:10px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px;-webkit-overflow-scrolling:touch}
.hscroll>*{scroll-snap-align:start}
@media(min-width:640px){.hscroll{grid-auto-columns:23%}}
@media(min-width:960px){.hscroll{grid-auto-columns:16%}}
.how{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px}
.steps{list-style:none;padding:0;margin:10px 0;display:grid;gap:8px;counter-reset:s}
@media(min-width:640px){.steps{grid-template-columns:repeat(3,1fr)}}
.steps li{counter-increment:s;display:flex;flex-direction:column;padding:10px 12px 10px 44px;position:relative;background:var(--bg);border-radius:10px}
.steps li:before{content:counter(s);position:absolute;left:12px;top:12px;width:22px;height:22px;border-radius:50%;background:var(--red);color:#fff;font-size:13px;display:flex;align-items:center;justify-content:center;font-weight:700}
.steps span{color:var(--mute);font-size:13px}
.badge-legend{font-size:13px;color:var(--mute);line-height:2}
/* badge */
.badge{display:inline-block;font-size:12px;font-weight:700;padding:1px 8px;border-radius:99px;white-space:nowrap}
.badge.in{background:var(--green-bg);color:var(--green)}
.badge.pre{background:var(--amber-bg);color:var(--amber)}
.badge.ask{background:#eef0f3;color:var(--mute)}
.badge.disc{background:#e4e6e9;color:#555a61}
/* list */
.list-top{position:sticky;top:54px;z-index:10;background:var(--bg);padding:10px 0 6px}
.chips{display:flex;gap:6px;overflow-x:auto;margin:10px -14px 0;padding:0 14px 4px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{flex-shrink:0;border:1px solid var(--line);background:#fff;padding:5px 12px;border-radius:99px;font-size:13px;cursor:pointer;color:var(--ink)}
.chip.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.filters{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap;align-items:center}
.filters select{font-size:14px;padding:6px 8px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);max-width:40vw}
.switch{display:flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:5px 10px;font-size:14px;cursor:pointer}
.switch input{accent-color:var(--green);width:16px;height:16px;margin:0}
.result-count{color:var(--mute);font-size:13px;margin:6px 0 10px}
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
@media(min-width:640px){.grid{grid-template-columns:repeat(3,1fr)}}
@media(min-width:960px){.grid{grid-template-columns:repeat(4,1fr);gap:14px}}
.card{background:var(--card);border-radius:var(--r);overflow:hidden;border:1px solid var(--line);display:flex;flex-direction:column}
.card .pi{aspect-ratio:1;background:#fff;display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--line)}
.card .pi img{width:100%;height:100%;object-fit:contain}
.card .pb{padding:8px 10px 10px;display:flex;flex-direction:column;gap:4px;flex:1}
.card .pc{font-size:12px;color:var(--mute);font-family:ui-monospace,Menlo,monospace}
.card .pn{font-size:14px;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.7em}
.card .pf{display:flex;justify-content:space-between;align-items:center;margin-top:auto;gap:4px}
.price{color:var(--red);font-weight:800;font-size:16px}
.price small{font-size:12px;font-weight:600;margin-right:1px}
.more-btn{display:block;margin:18px auto;border:1px solid var(--line);background:#fff;padding:10px 28px;border-radius:99px;font-size:15px;cursor:pointer}
.empty{grid-column:1/-1;padding:40px 10px;text-align:center;color:var(--mute)}
/* detail */
.crumbs{font-size:13px;color:var(--mute);padding:10px 0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.crumbs a{color:var(--mute)}
.pd{display:grid;gap:16px}
@media(min-width:860px){.pd{grid-template-columns:1fr 1fr;gap:28px;align-items:start}}
.gallery{background:#fff;border-radius:var(--r);border:1px solid var(--line);overflow:hidden;position:relative}
.slides{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none}
.slides::-webkit-scrollbar{display:none}
.slides img{flex:0 0 100%;aspect-ratio:1;object-fit:contain;scroll-snap-align:center;background:#fff}
.dots{position:absolute;bottom:8px;left:0;right:0;display:flex;justify-content:center;gap:6px}
.dots i{width:7px;height:7px;border-radius:50%;background:#cfd3d8}
.dots i.on{background:var(--red)}
.thumbs{display:flex;gap:6px;padding:8px;border-top:1px solid var(--line)}
.thumbs img{width:56px;height:56px;object-fit:contain;border:2px solid transparent;border-radius:6px;cursor:pointer;background:#fff}
.thumbs img.on{border-color:var(--red)}
.pd-info h1{font-size:20px;line-height:1.4;margin:6px 0 8px}
.pd-tags{display:flex;gap:6px;flex-wrap:wrap}
.tag{font-size:12px;background:#eef0f3;color:var(--mute);padding:2px 8px;border-radius:6px}
.tag.brand{background:var(--ink);color:#fff}
.pd-code{font-family:ui-monospace,Menlo,monospace;font-size:14px;color:var(--mute)}
.pd-code b{color:var(--ink);font-size:16px}
.pd-price{font-size:26px;color:var(--red);font-weight:800;margin:8px 0 4px}
.stock-box{border-radius:10px;padding:10px 12px;margin:10px 0;font-size:14px;font-weight:600}
.stock-box.in{background:var(--green-bg);color:var(--green)}
.stock-box.pre{background:var(--amber-bg);color:var(--amber)}
.stock-box.ask{background:#eef0f3;color:var(--mute)}
.stock-box.disc{background:#eceef0;color:#555a61}
.cta{display:grid;gap:8px;margin:14px 0}
.btn{display:flex;align-items:center;justify-content:center;gap:8px;font-size:16px;font-weight:700;padding:13px;border-radius:12px;border:0;cursor:pointer;text-align:center}
.btn-line{background:var(--line-green);color:#fff}
.btn-ruten{background:#fff;color:var(--ink);border:1px solid var(--line)}
.sec{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:14px;margin-top:12px}
.sec h2{font-size:16px;margin:0 0 8px}
.spec{width:100%;border-collapse:collapse;font-size:14px}
.spec th{text-align:left;color:var(--mute);font-weight:400;width:6.5em;padding:6px 0;vertical-align:top}
.spec td{padding:6px 0;border-bottom:1px solid var(--line);word-break:break-word}
.spec tr:last-child td{border-bottom:0}
.fit-list{margin:0;padding-left:18px;font-size:14px;columns:1}
@media(min-width:640px){.fit-list{columns:2}}
.fit-list li{break-inside:avoid;padding:1px 0}
.fit-more{margin-top:8px;border:0;background:none;color:var(--red);font-size:14px;cursor:pointer;padding:0}
.note{font-size:12px;color:var(--mute);margin-top:10px}
.sticky-cta{position:fixed;left:0;right:0;bottom:0;background:#fff;border-top:1px solid var(--line);padding:8px 12px calc(8px + env(safe-area-inset-bottom));display:flex;gap:8px;align-items:center;z-index:30}
.sticky-cta .sp{flex:1;min-width:0}
.sticky-cta .sp .price{font-size:18px}
.sticky-cta .btn{padding:11px 16px;font-size:15px}
@media(min-width:860px){.sticky-cta{display:none}}
.page-product main{padding-bottom:90px}
/* footer */
.site-footer{background:#1d1f23;color:#b7bbc2;font-size:13px;padding:22px 0 30px;margin-top:20px}
.site-footer p{margin:4px 0}
.foot-name{color:#fff;font-weight:700;font-size:15px}
.foot-links{display:flex;gap:14px;flex-wrap:wrap}
.foot-links a{text-decoration:underline}
.foot-meta{color:#80858d;font-size:12px;margin-top:10px!important}
.page-product .site-footer{padding-bottom:90px}
.toast{position:fixed;left:50%;bottom:90px;transform:translateX(-50%);background:rgba(20,20,20,.9);color:#fff;padding:10px 16px;border-radius:10px;font-size:14px;opacity:0;pointer-events:none;transition:opacity .2s;z-index:50;max-width:90vw;text-align:center}
.toast.show{opacity:1}

.line-hint{margin:2px 0 0;font-size:13px;color:var(--mute);text-align:center}
.line-hint b{color:var(--ink)}