/* ============================================================
   Liuzhou Dongben Machinery Equipment Co., Ltd. — English site
   Static stylesheet. No external dependencies, no web fonts.
   ============================================================ */

:root{
  --navy:#13293D;
  --navy-deep:#0C1C2B;
  --accent:#D9531E;
  --ink:#0F1620;
  --muted:#5B6775;
  --line:#DFE3E8;
  --bg:#F7F7F5;
  --paper:#FFFFFF;
  --max:1120px;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,"Cascadia Mono","Roboto Mono",monospace;
}

*,*::before,*::after{box-sizing:border-box}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img,svg{max-width:100%;display:block}

a{color:inherit}

/* ---------- layout ---------- */
.wrap{max-width:var(--max);margin:0 auto;padding:0 32px}
.section{padding:76px 0}
.section--tight{padding:52px 0}
.section--paper{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--navy{background:var(--navy);color:#EAF0F3}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:70px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;flex:none}
.brand-mark{
  width:30px;height:30px;flex:none;background:var(--navy);position:relative;
}
.brand-mark::after{
  content:"";position:absolute;left:6px;top:6px;right:6px;bottom:6px;
  border:1.5px solid var(--accent);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font-size:15px;font-weight:700;letter-spacing:.14em}
.brand-sub{font-size:9.5px;letter-spacing:.2em;color:var(--muted);margin-top:2px}

.nav{display:flex;align-items:center;gap:28px}
.nav a{
  text-decoration:none;font-size:14px;color:var(--muted);
  padding:4px 0;border-bottom:1.5px solid transparent;transition:.15s;
}
.nav a:hover{color:var(--ink);border-bottom-color:var(--accent)}
.nav a.is-active{color:var(--ink);border-bottom-color:var(--accent)}
.nav .nav-lang{font-size:12.5px;color:#96A0AC;border-left:1px solid var(--line);padding-left:22px}

/* ---------- hero ---------- */
.hero{
  background:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px) 0 0/64px 64px,
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px) 0 0/64px 64px,
    linear-gradient(160deg,#13293D 0%,#0C1C2B 100%);
  color:#fff;
  padding:92px 0 84px;
  position:relative;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;
  background:linear-gradient(90deg,var(--accent) 0%,var(--accent) 34%,transparent 34%);
}
.hero-inner{display:grid;grid-template-columns:1.35fr .85fr;gap:64px;align-items:end}

.eyebrow{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.22em;
  text-transform:uppercase;color:#8FA8BC;margin:0 0 20px;
}
.hero h1{
  font-size:clamp(32px,4.4vw,52px);line-height:1.14;letter-spacing:-.022em;
  margin:0 0 22px;font-weight:650;max-width:16em;
}
.hero h1 em{font-style:normal;color:#F0A07A}
.hero-lede{font-size:17px;line-height:1.65;color:#C6D3DE;max-width:36em;margin:0 0 30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}

.btn{
  display:inline-block;text-decoration:none;font-size:14px;font-weight:600;
  padding:13px 24px;border:1px solid transparent;transition:.15s;letter-spacing:.01em;
}
.btn--primary{background:var(--accent);color:#fff}
.btn--primary:hover{background:#C2471A}
.btn--ghost{border-color:rgba(255,255,255,.32);color:#fff}
.btn--ghost:hover{border-color:#fff;background:rgba(255,255,255,.06)}
.btn--dark{background:var(--navy);color:#fff}
.btn--dark:hover{background:#0C1C2B}

/* hero spec panel */
.spec{border-left:1px solid rgba(255,255,255,.16);padding-left:32px}
.spec-row{display:flex;justify-content:space-between;gap:16px;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.1)}
.spec-row:last-child{border-bottom:0}
.spec-k{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:#8FA8BC}
.spec-v{font-size:13.5px;color:#EAF0F3;text-align:right}

/* ---------- section headers ---------- */
.sec-head{margin-bottom:40px;max-width:44em}
.sec-label{
  display:flex;align-items:center;gap:14px;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--accent);margin:0 0 14px;
}
.sec-label::after{content:"";height:1px;width:44px;background:var(--accent);opacity:.55}
h2.sec-title{
  font-size:clamp(24px,2.9vw,33px);line-height:1.24;letter-spacing:-.018em;
  margin:0 0 14px;font-weight:640;
}
.sec-head p{color:var(--muted);margin:0;font-size:16px}
.section--navy .sec-head p{color:#B7C6D2}
.section--navy .sec-title{color:#fff}

/* ---------- cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.cell{background:var(--paper);padding:32px 28px}
.cell-num{font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;color:var(--accent);display:block;margin-bottom:16px}
.cell h3{font-size:18px;margin:0 0 10px;font-weight:620;letter-spacing:-.01em}
.cell p{margin:0;color:var(--muted);font-size:14.5px}
.cell ul{margin:12px 0 0;padding-left:18px;color:var(--muted);font-size:14.5px}
.cell li{margin-bottom:5px}
.cell .cell-link{
  display:inline-block;margin-top:18px;font-size:13.5px;font-weight:600;
  color:var(--accent);text-decoration:none;border-bottom:1px solid rgba(217,83,30,.3)
}
.cell .cell-link:hover{border-bottom-color:var(--accent)}
.cell--dark{background:var(--navy);color:#EAF0F3}
.cell--dark p,.cell--dark li{color:#B7C6D2}
.cell--dark h3{color:#fff}

/* ---------- prose ---------- */
.prose{max-width:44em}
.prose p{margin:0 0 18px;color:#2B3742}
.prose p:last-child{margin-bottom:0}
.prose strong{font-weight:620}

/* ---------- feature list ---------- */
.flist{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.flist li{
  display:grid;grid-template-columns:180px 1fr;gap:28px;
  padding:20px 0;border-bottom:1px solid var(--line);
}
.flist dt,.flist .f-k{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--muted);padding-top:3px;
}
.flist .f-v{font-size:15px}

/* ---------- table ---------- */
.table{width:100%;border-collapse:collapse;font-size:14.5px;background:var(--paper)}
.table th,.table td{text-align:left;padding:14px 18px;border-bottom:1px solid var(--line);vertical-align:top}
.table th{
  font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted);font-weight:500;background:#FAFAF8;border-bottom:1px solid var(--line);
}
.table tr:last-child td{border-bottom:0}
.table td:first-child{font-weight:600;white-space:nowrap}

/* ---------- steps ---------- */
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.step{position:relative;padding-top:34px;border-top:2px solid var(--line)}
.step::before{
  counter-increment:step;content:"0" counter(step);
  position:absolute;top:-2px;left:0;transform:translateY(-100%);
  font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;color:var(--accent);
  background:var(--bg);padding-right:8px;
}
.section--paper .step::before{background:var(--paper)}
.step h4{margin:0 0 8px;font-size:15px;font-weight:620}
.step p{margin:0;font-size:13.5px;color:var(--muted);line-height:1.6}

/* ---------- faq ---------- */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);background:var(--paper)}
.faq summary{
  cursor:pointer;padding:20px 44px 20px 24px;position:relative;
  font-size:15.5px;font-weight:600;list-style:none;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";position:absolute;right:24px;top:18px;font-size:20px;
  color:var(--accent);font-weight:400;
}
.faq details[open] summary::after{content:"–"}
.faq .faq-a{padding:0 24px 22px;color:#2B3742;font-size:14.5px;max-width:52em}
.faq .faq-a p{margin:0}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.info-block{margin-bottom:26px}
.info-k{
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);margin-bottom:5px;
}
.info-v{font-size:15.5px}
.info-v a{text-decoration:none;border-bottom:1px solid var(--line)}
.info-v a:hover{border-bottom-color:var(--accent);color:var(--accent)}

.form-note{background:var(--paper);border:1px solid var(--line);padding:28px}
.form-note h3{margin:0 0 12px;font-size:16px;font-weight:620}
.form-note ul{margin:0;padding-left:18px;color:var(--muted);font-size:14px}
.form-note li{margin-bottom:7px}

/* ---------- cta strip ---------- */
.cta{background:var(--navy-deep);color:#fff;padding:64px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px}
.cta h2{margin:0 0 8px;font-size:clamp(22px,2.6vw,30px);letter-spacing:-.018em;font-weight:640}
.cta p{margin:0;color:#B7C6D2;font-size:15px}

/* ---------- footer ---------- */
.site-footer{background:var(--navy);color:#B7C6D2;padding:56px 0 32px;font-size:13.5px}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-sub{color:#8FA8BC}
.footer-brand p{margin:16px 0 0;max-width:26em;color:#93A6B6;font-size:13px;line-height:1.65}
.footer-col h4{
  margin:0 0 14px;font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;
  text-transform:uppercase;color:#7E93A6;font-weight:500;
}
.footer-col a,.footer-col p{display:block;margin:0 0 9px;color:#B7C6D2;text-decoration:none;font-size:13.5px}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;gap:24px;padding-top:22px;color:#7E93A6;font-size:12px;flex-wrap:wrap}

/* ---------- breadcrumb ---------- */
.crumb{font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;color:var(--muted);padding:18px 0 0}
.crumb a{text-decoration:none;color:var(--muted)}
.crumb a:hover{color:var(--accent)}
.crumb span{opacity:.5;margin:0 7px}

/* ---------- page hero (inner pages) ---------- */
.page-hero{background:var(--paper);border-bottom:1px solid var(--line);padding:56px 0 52px}
.page-hero h1{
  font-size:clamp(28px,3.6vw,42px);line-height:1.18;letter-spacing:-.022em;
  margin:0 0 16px;font-weight:650;max-width:20em;
}
.page-hero p{margin:0;color:var(--muted);font-size:17px;max-width:40em}
.page-hero .eyebrow{color:var(--accent);margin-bottom:16px}

/* ---------- utility ---------- */
.mt-40{margin-top:40px}
.mt-24{margin-top:24px}
.center{text-align:center}
.lede-lg{font-size:17px;color:var(--muted);max-width:44em}

/* ---------- responsive ---------- */
@media (max-width:960px){
  .hero-inner{grid-template-columns:1fr;gap:40px;align-items:start}
  .spec{border-left:0;border-top:1px solid rgba(255,255,255,.16);padding-left:0;padding-top:24px}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr);gap:32px 24px}
  .contact-grid{grid-template-columns:1fr;gap:40px}
  .footer-top{grid-template-columns:1fr 1fr}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px}
  .nav{gap:18px}
  .nav a:not(.nav-lang){display:none}
  .nav .nav-lang{border-left:0;padding-left:0}
}
@media (max-width:620px){
  .wrap{padding:0 20px}
  .section{padding:56px 0}
  .hero{padding:64px 0 56px}
  .flist li{grid-template-columns:1fr;gap:6px}
  .steps{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .table{font-size:13px}
  .table th,.table td{padding:11px 12px}
  .table td:first-child{white-space:normal}
  .cell{padding:26px 22px}
  .page-hero{padding:40px 0 36px}
}