.niu-build{--niu-ink:oklch(20% .006 230);--niu-muted:oklch(45% .006 230);--niu-line:oklch(85% .006 230);--niu-paper:oklch(98% .003 230);color:var(--niu-ink);max-width:1440px;margin:auto;padding:28px clamp(20px,4vw,64px) 56px;font-family:inherit;line-height:1.6}
.niu-build *{box-sizing:border-box}.niu-build [hidden]{display:none!important}.niu-build a{color:inherit;text-underline-offset:4px}.niu-build button,.niu-build select{font:inherit}.niu-build button{cursor:pointer}.niu-build button:disabled{cursor:not-allowed;opacity:.5}.niu-build :focus-visible{outline:2px solid var(--niu-ink);outline-offset:4px}.niu-build h1,.niu-build h2,.niu-build h3,.niu-build p,.niu-build figure{margin:0}.niu-top{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:34px;font-size:13px}.niu-top nav{display:flex;gap:13px}.niu-language{display:flex;align-items:center;gap:10px}.niu-language select{min-height:44px;padding:8px 30px 8px 12px;border:1px solid var(--niu-line);border-radius:0;background:transparent;color:inherit}.niu-hero{display:grid;grid-template-columns:minmax(0,1.22fr) minmax(0,1fr);gap:clamp(30px,5vw,76px);align-items:start}.niu-gallery{position:sticky;top:32px}.niu-gallery figure>img{display:block;width:100%;height:auto;aspect-ratio:720/620;object-fit:contain;background:oklch(94% .004 230)}.niu-gallery figcaption{font-size:12px;color:var(--niu-muted);margin-top:14px;line-height:1.65;max-width:70ch}.niu-gallery-nav{display:flex;gap:24px;margin-top:20px}.niu-gallery-nav button{border:0;border-bottom:1px solid transparent;background:transparent;padding:10px 0;display:flex;gap:10px;color:var(--niu-muted);font-size:13px}.niu-gallery-nav button[aria-pressed=true]{border-bottom-color:var(--niu-ink);color:var(--niu-ink)}.niu-gallery-nav button>span:first-child{font-size:11px}.niu-eyebrow{font-size:11px;letter-spacing:.13em;font-weight:600}.niu-purchase h1{font-size:clamp(50px,5vw,76px);line-height:1.03;letter-spacing:-.045em;margin:16px 0 20px;font-weight:600}.niu-purchase h1 span{display:block;font-size:clamp(23px,2.4vw,34px);line-height:1.23;letter-spacing:-.025em;margin-top:12px;max-width:24ch}.niu-intro{font-size:15px;color:var(--niu-muted);max-width:64ch}.niu-facts{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:6px 18px;margin:22px 0;font-size:12px;font-weight:500}.niu-facts li+li::before{content:'·';margin-right:14px;color:var(--niu-muted)}.niu-price{border-top:1px solid var(--niu-line);padding-top:24px;margin-top:26px}.niu-price>p:first-child{font-size:11px;letter-spacing:.08em;font-weight:600}.niu-price>strong{display:block;font-size:clamp(32px,3.3vw,46px);line-height:1.3;letter-spacing:-.035em;margin:6px 0 10px;overflow-wrap:anywhere;font-weight:550}.niu-price-note{font-size:13px;color:var(--niu-muted);max-width:60ch}.niu-actions{display:grid;gap:10px;margin-top:24px}.niu-actions button{min-height:54px;padding:14px 22px;border-radius:0;font-weight:550;border:1px solid var(--niu-ink);line-height:1.3}.niu-buy{background:var(--niu-ink);color:var(--niu-paper)}.niu-cart{background:transparent;color:var(--niu-ink)}.niu-actions button:not(:disabled):hover{opacity:.82}.niu-status:empty{display:none}.niu-status{font-size:13px;margin-top:14px!important}.niu-status[data-error=true]{color:oklch(43% .14 28)}.niu-shipping{margin-top:28px;border-top:1px solid var(--niu-line);padding-top:20px}.niu-shipping h2{font-size:16px;font-weight:600;line-height:1.3}.niu-shipping p{font-size:13px;color:var(--niu-muted);margin:9px 0 12px}.niu-shipping a{font-size:13px}.niu-pricing{display:grid;grid-template-columns:1fr 1.2fr;gap:clamp(24px,7vw,100px);margin-top:clamp(56px,8vw,110px);padding:36px 0;border-top:1px solid var(--niu-line);border-bottom:1px solid var(--niu-line)}.niu-build h2{font-size:clamp(25px,2.7vw,36px);letter-spacing:-.025em;line-height:1.2;font-weight:550}.niu-pricing h2{margin:12px 0 16px}.niu-pricing p{font-size:14px;color:var(--niu-muted)}.niu-pricing dl{margin:0}.niu-pricing dl>div{display:flex;justify-content:space-between;gap:24px;padding:12px 0;border-bottom:1px solid var(--niu-line);font-size:14px}.niu-pricing dd{margin:0;white-space:nowrap;font-variant-numeric:tabular-nums}.niu-pricing .niu-grand-total{font-weight:650;font-size:16px;border:0;padding-top:20px}.niu-fx-note{font-size:11px!important;margin-top:16px!important}.niu-specification{padding-top:60px}.niu-spec-intro{font-size:14px;color:var(--niu-muted);max-width:86ch;margin:18px 0 30px!important}.niu-spec-group{border-top:1px solid var(--niu-line)}.niu-spec-group:last-child{border-bottom:1px solid var(--niu-line)}.niu-spec-group summary{display:grid;grid-template-columns:26px 1fr 20px;gap:14px;align-items:center;list-style:none;padding:24px 0;cursor:pointer}.niu-spec-group summary::-webkit-details-marker{display:none}.niu-spec-group summary>span{font-size:13px;color:var(--niu-muted)}.niu-spec-group summary>span:last-child{font-size:22px;line-height:1;text-align:center}.niu-spec-group[open] summary>span:last-child{transform:rotate(45deg)}.niu-spec-group h3{font-size:20px;line-height:1.3;font-weight:550}.niu-table-wrap{overflow-x:auto;padding-bottom:24px}.niu-table-wrap table{border-collapse:collapse;width:100%;font-size:13px;text-align:left}.niu-table-wrap th,.niu-table-wrap td{padding:13px 12px 13px 0;border-bottom:1px solid var(--niu-line);vertical-align:top}.niu-table-wrap thead th{font-size:11px;color:var(--niu-muted);font-weight:500}.niu-table-wrap tbody th{font-weight:500;width:25%}.niu-table-wrap td:nth-child(2){color:var(--niu-muted)}.niu-table-wrap :is(th,td):last-child{text-align:right;white-space:nowrap;padding-right:0;width:100px}.niu-notes{display:grid;grid-template-columns:1fr 1fr;gap:60px;padding:60px 0}.niu-notes h2{font-size:22px}.niu-notes p{margin-top:16px;font-size:14px;color:var(--niu-muted);max-width:65ch}.niu-footer{display:flex;justify-content:space-between;gap:30px;border-top:1px solid var(--niu-line);padding-top:26px;font-size:12px}.niu-footer>div{display:flex;flex-wrap:wrap;gap:10px 20px}.niu-footer>div:last-child{justify-content:flex-end}.niu-shipping h2{font-size:16px;letter-spacing:0}
.niu-performance{padding-top:54px}.niu-performance dl{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 30px;margin:24px 0}.niu-performance dl>div{padding:16px 0;border-bottom:1px solid var(--niu-line)}.niu-performance dt{font-size:12px;color:var(--niu-muted)}.niu-performance dd{font-size:20px;font-weight:550;line-height:1.4;margin:8px 0 0}.niu-performance p{font-size:13px;color:var(--niu-muted);max-width:90ch}
@media(max-width:900px){.niu-hero{grid-template-columns:1fr;gap:36px}.niu-gallery{position:static}.niu-gallery figure>img{aspect-ratio:720/527;max-height:650px}.niu-gallery-nav{margin-top:10px}.niu-purchase h1{font-size:56px}.niu-purchase h1 span{max-width:none}.niu-pricing{grid-template-columns:1fr;gap:20px}.niu-notes{gap:30px}.niu-footer{flex-direction:column;gap:20px}.niu-footer>div:last-child{justify-content:flex-start}.niu-performance dl{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 20px}.niu-performance dd{font-size:18px}}
@media(max-width:540px){.niu-build{padding:18px 20px 38px}.niu-top{margin-bottom:22px;gap:8px}.niu-language{gap:6px}.niu-language label{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.niu-language select{max-width:145px}.niu-hero{gap:30px}.niu-purchase h1{font-size:52px}.niu-purchase h1 span{font-size:27px}.niu-facts{gap:6px 12px}.niu-facts li+li::before{margin-right:10px}.niu-price>strong{font-size:36px}.niu-pricing{margin-top:50px;padding:28px 0}.niu-pricing dl>div{gap:16px}.niu-pricing dt{max-width:25ch}.niu-pricing dd{font-size:13px}.niu-specification{padding-top:40px}.niu-spec-group summary{gap:8px;padding:20px 0}.niu-spec-group h3{font-size:18px}.niu-table-wrap table{font-size:12px}.niu-table-wrap tbody th{width:27%}.niu-table-wrap :is(th,td):last-child{width:80px}.niu-table-wrap th,.niu-table-wrap td{padding-right:10px;overflow-wrap:anywhere}.niu-notes{grid-template-columns:1fr;gap:30px;padding:40px 0}.niu-notes h2{font-size:22px}}