/* Pingxiang Scooters — vertical scooter site */
:root{
  --ink:#12151A;
  --ink-2:#3B4148;
  --mute:#6C7379;
  --line:#E5E2DB;
  --bg:#FBFAF7;
  --card:#FFFFFF;
  --accent:#D9531E;
  --accent-dark:#A93C12;
  --accent-soft:#FBE9E1;
  --radius:14px;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}

/* header */
.site-head{position:sticky;top:0;z-index:50;background:rgba(251,250,247,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.head-in{display:flex;align-items:center;gap:28px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.9px;font-size:17px}
.brand .mark{width:26px;height:26px;border-radius:7px;background:var(--ink);position:relative;flex:0 0 auto}
.brand .mark::after{content:"";position:absolute;inset:7px 7px auto 7px;height:2px;background:var(--accent);border-radius:2px;box-shadow:0 5px 0 var(--accent),0 10px 0 var(--accent)}
.nav{display:flex;gap:22px;margin-left:auto;font-size:14.5px;color:var(--ink-2)}
.nav a:hover{color:var(--accent)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:10px;font-size:14.5px;font-weight:500;border:1px solid transparent;cursor:pointer;transition:.18s}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink)}
.head-cta{display:flex;gap:10px;margin-left:8px}
.burger{display:none;margin-left:auto;background:none;border:0;font-size:22px;cursor:pointer}

/* hero */
.hero{padding:74px 0 56px;border-bottom:1px solid var(--line)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-dark);background:var(--accent-soft);padding:6px 12px;border-radius:999px;font-weight:500}
h1{font-size:clamp(32px,4.4vw,52px);line-height:1.12;letter-spacing:-1.4px;margin:20px 0 18px;font-weight:600;max-width:15ch}
.lede{font-size:18px;color:var(--ink-2);max-width:56ch;margin:0 0 28px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-top:46px}
.stat{background:var(--card);padding:20px 18px}
.stat b{display:block;font-size:24px;letter-spacing:-.6px;font-weight:600}
.stat span{font-size:12.5px;color:var(--mute)}

/* sections */
section{padding:64px 0}
section.tight{padding:48px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
h2{font-size:clamp(24px,2.8vw,34px);line-height:1.2;letter-spacing:-.8px;margin:0;font-weight:600}
h3{font-size:19px;letter-spacing:-.3px;margin:0 0 8px;font-weight:600}
.sec-head p{margin:8px 0 0;color:var(--mute);font-size:15px;max-width:62ch}
.alt{background:#F4F2EC;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* cards */
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.card h3{font-size:17px}
.card p{margin:0;color:var(--ink-2);font-size:14.5px}
a.card{transition:.18s}
a.card:hover{border-color:var(--accent);transform:translateY(-2px)}

/* product cards */
.pcard{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}
.pcard .ph{aspect-ratio:1/1;background:#F1EFE9;overflow:hidden}
.pcard .ph img{width:100%;height:100%;object-fit:cover}
.pcard .pb{padding:16px 18px 18px;display:flex;flex-direction:column;gap:6px}
.pcard .sku{font-size:11.5px;letter-spacing:.08em;color:var(--mute);text-transform:uppercase}
.pcard h3{font-size:16px;margin:0}
.pcard .mini{font-size:13px;color:var(--ink-2);display:flex;flex-wrap:wrap;gap:6px 10px}
.pcard .mini span{background:#F4F2EC;border-radius:6px;padding:3px 8px}
.pcard .go{margin-top:6px;font-size:13.5px;color:var(--accent);font-weight:500}

/* table */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--card)}
table{border-collapse:collapse;width:100%;font-size:14px;min-width:560px}
th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line)}
th{background:#F7F5F0;font-weight:500;font-size:12.5px;letter-spacing:.04em;text-transform:uppercase;color:var(--mute)}
tr:last-child td{border-bottom:0}
td b{font-weight:500}

/* steps */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;counter-reset:s}
.step{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px 18px;position:relative}
.step::before{counter-increment:s;content:"0" counter(s);font-size:12px;font-weight:600;color:var(--accent);letter-spacing:.1em}
.step h3{font-size:15px;margin:8px 0 6px}
.step p{font-size:13.5px;color:var(--mute);margin:0}

/* faq */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:18px 0}
.faq summary{cursor:pointer;font-weight:500;font-size:16px;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--accent);font-size:20px;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq p{margin:12px 0 0;color:var(--ink-2);font-size:15px;max-width:78ch}

/* prose */
.prose{max-width:76ch}
.prose h2{margin:36px 0 14px}
.prose h3{margin:28px 0 10px}
.prose p{margin:0 0 16px;color:var(--ink-2)}
.prose ul,.prose ol{margin:0 0 18px;padding-left:20px;color:var(--ink-2)}
.prose li{margin-bottom:8px}
.prose ul li::marker{color:var(--accent)}
.callout{background:var(--accent-soft);border-left:3px solid var(--accent);border-radius:0 10px 10px 0;padding:18px 22px;margin:24px 0;color:var(--ink)}
.callout b{color:var(--accent-dark)}

/* cta band */
.band{background:var(--ink);color:#fff;border-radius:18px;padding:44px;display:grid;grid-template-columns:1.3fr 1fr;gap:36px;align-items:center}
.band h2{color:#fff;margin-bottom:12px}
.band p{color:#B9BFC6;margin:0;font-size:15.5px}
.band .btn-primary{background:var(--accent)}
.band .btn-ghost{color:#fff;border-color:#3A4149}
.band .btn-ghost:hover{border-color:#fff}

/* form */
form.inq{display:grid;gap:12px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
label{font-size:13px;color:var(--mute);display:block;margin-bottom:5px}
input,textarea,select{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:9px;font:inherit;font-size:14.5px;background:#fff;color:var(--ink)}
input:focus,textarea:focus,select:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}
textarea{min-height:96px;resize:vertical}
.form-note{font-size:12.5px;color:var(--mute);margin:2px 0 0}
.ok-msg{display:none;background:#EAF5EC;border:1px solid #BFE0C6;color:#1F5C3A;padding:12px 14px;border-radius:9px;font-size:14px}

/* footer */
footer.site{background:var(--ink);color:#B9BFC6;padding:56px 0 32px;margin-top:20px}
footer.site h4{color:#fff;font-size:13px;letter-spacing:.1em;text-transform:uppercase;margin:0 0 14px;font-weight:500}
footer.site a:hover{color:#fff}
.fgrid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.fgrid ul{list-style:none;padding:0;margin:0;font-size:14px;line-height:2}
.fbot{border-top:1px solid #262B31;margin-top:36px;padding-top:20px;display:flex;justify-content:space-between;gap:20px;font-size:12.5px;color:#828A92}

/* misc */
.tag{display:inline-block;font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent-dark);background:var(--accent-soft);padding:3px 9px;border-radius:6px;font-weight:500}
.crumbs{font-size:13px;color:var(--mute);padding:22px 0 0}
.crumbs a:hover{color:var(--accent)}
.page-head{padding:8px 0 34px;border-bottom:1px solid var(--line);margin-bottom:44px}
.page-head h1{max-width:22ch;margin:16px 0 14px}
.split{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:start}
.split>*{min-width:0}
.sticky{position:sticky;top:92px}

@media(max-width:900px){
  .nav{display:none}
  .burger{display:block}
  .head-cta{display:none}
  .g4,.g3,.stats,.steps,.fgrid,.split,.band{grid-template-columns:1fr 1fr}
  .g2{grid-template-columns:1fr}
  .band{padding:30px;gap:22px}
  .stats{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  .g4,.g3,.stats,.steps,.fgrid,.split,.band,.row2{grid-template-columns:1fr}
  section{padding:44px 0}
  .hero{padding:48px 0 40px}
}

/* ---------- articles ---------- */
.art-meta{font-size:13.5px;color:var(--mute);margin:0 0 6px;display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.art-meta span{display:inline-flex;align-items:center;gap:6px}
.art-list{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.acard{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:flex;flex-direction:column;gap:10px;transition:.2s}
.acard:hover{border-color:var(--ink);transform:translateY(-2px)}
.acard h3{margin:0;font-size:18px;line-height:1.35;letter-spacing:-.2px}
.acard p{margin:0;font-size:14.5px;color:var(--ink-2);line-height:1.6}
.acard .more{margin-top:auto;padding-top:12px;font-size:13px;color:var(--accent-dark);font-weight:500}
.prose h3{font-size:18.5px;margin:32px 0 8px;letter-spacing:-.2px}
.prose ol,.prose ul{margin:0 0 18px;padding-left:22px}
.prose ol li,.prose ul li{margin:8px 0}
.prose hr{border:0;border-top:1px solid var(--line);margin:36px 0}
.check{list-style:none;padding:0;counter-reset:c;margin:0 0 20px}
.check li{position:relative;padding-left:46px;margin:18px 0;counter-increment:c}
.check li::before{content:counter(c);position:absolute;left:0;top:1px;width:30px;height:30px;border-radius:9px;background:var(--ink);color:#fff;font-size:13.5px;display:flex;align-items:center;justify-content:center;font-weight:600}
.check li b{display:block;margin-bottom:2px}
@media(max-width:900px){.art-list{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.art-list{grid-template-columns:1fr}}
.prose ol.check{padding-left:0;margin:0 0 22px;list-style:none}
.prose ol.check li{margin:18px 0}

/* ---- photo grid (factory / loading pages) ---- */
.pgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin:6px 0 26px}
.pgrid figure{margin:0;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.pgrid img{display:block;width:100%;height:auto;background:#F0E8DC}
.pgrid figcaption{font-size:13px;color:var(--mute);padding:10px 14px;line-height:1.55;border-top:1px solid var(--line)}
.pgrid .wide{grid-column:1/-1}
@media(max-width:760px){.pgrid{grid-template-columns:1fr}}