/* ============================================================
   YOUR COMPANY — B2B Machinery Parts Export Website
   Placeholder highlight: .ph  (yellow = needs your real data)
   ============================================================ */

:root{
  --navy:#0f1e39;
  --navy-2:#16304f;
  --navy-3:#1d4470;
  --orange:#c2410c;
  --orange-2:#e2650f;
  --orange-soft:#fff5ed;
  --ink:#1f2937;
  --ink-2:#4b5563;
  --ink-3:#6b7280;
  --line:#e3e8ef;
  --line-2:#cfd6e0;
  --bg:#ffffff;
  --bg-soft:#f6f8fb;
  --bg-soft-2:#eef2f7;
  --white:#fff;
  --radius:10px;
  --radius-lg:14px;
  --wrap:1200px;
  --fs:15px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:var(--fs);line-height:1.7;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--navy-3);text-decoration:none;}
a:hover{color:var(--orange);}
h1,h2,h3,h4,h5{line-height:1.3;margin:0 0 .5em;color:var(--navy);font-weight:700;letter-spacing:-.01em;}
h1{font-size:2.1rem;} h2{font-size:1.6rem;} h3{font-size:1.2rem;} h4{font-size:1.05rem;}
p{margin:0 0 1em;}
ul,ol{margin:0 0 1em;padding-left:1.25em;}
li{margin:.3em 0;}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px;}
.section{padding:64px 0;}
.section--soft{background:var(--bg-soft);}
.section--navy{background:var(--navy);color:#dbe4ef;}
.section--navy h2,.section--navy h3,.section--navy h4{color:#fff;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head .eyebrow{
  display:inline-block;font-size:.75rem;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--orange);margin-bottom:10px;
}
.section-head p{color:var(--ink-2);font-size:1rem;margin-bottom:0;}
.center{text-align:center;}
.center .section-head{margin-left:auto;margin-right:auto;}

/* ---------- placeholder ---------- */
.ph{
  background:#fff3bf;border-bottom:1px dashed #d1a300;color:#7a5b00;
  padding:0 4px;border-radius:3px;font-weight:600;
}

/* ---------- topbar ---------- */
.topbar{background:var(--navy);color:#b9c6d8;font-size:.8rem;}
.topbar .wrap{display:flex;flex-wrap:wrap;gap:8px 24px;align-items:center;justify-content:space-between;padding:8px 24px;}
.topbar a{color:#cfdae8;}
.topbar a:hover{color:#fff;}
.topbar .right{display:flex;gap:18px;flex-wrap:wrap;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);}
.hdr{display:flex;align-items:center;gap:24px;height:74px;}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--navy);font-size:1.05rem;letter-spacing:-.02em;white-space:nowrap;}
.logo .mark{
  width:34px;height:34px;border-radius:8px;background:var(--navy);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.85rem;flex:0 0 auto;
}
.logo .mark span{color:var(--orange-2);}
.logo small{display:block;font-size:.68rem;font-weight:500;color:var(--ink-3);letter-spacing:.06em;}
.nav{margin-left:auto;}
.nav ul{list-style:none;margin:0;padding:0;display:flex;gap:2px;align-items:center;}
.nav > ul > li{position:relative;}
.nav a{
  display:block;padding:10px 12px;color:var(--ink);font-weight:600;font-size:.9rem;border-radius:6px;
}
.nav a:hover{background:var(--bg-soft);color:var(--navy);}
.nav a.active{color:var(--orange);}
.nav li.has-menu > a::after{content:"";display:inline-block;margin-left:6px;vertical-align:middle;
  border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid var(--ink-3);}
.nav li.has-menu:hover > a::after{border-top-color:var(--orange);}
.dropdown{
  position:absolute;top:100%;left:0;min-width:290px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:0 14px 34px rgba(15,30,57,.13);padding:10px;
  opacity:0;visibility:hidden;transform:translateY(6px);transition:.16s;
}
.nav li.has-menu:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0);}
.dropdown a{display:block;padding:8px 10px;font-weight:500;font-size:.88rem;border-radius:6px;color:var(--ink);}
.dropdown a strong{display:block;color:var(--navy);font-size:.9rem;}
.dropdown a span{display:block;color:var(--ink-3);font-size:.78rem;font-weight:400;}
.dropdown a:hover{background:var(--bg-soft);}
.dropdown hr{border:0;border-top:1px solid var(--line);margin:6px 4px;}

.btn{
  display:inline-block;padding:11px 20px;border-radius:8px;font-weight:700;font-size:.9rem;
  border:1px solid transparent;cursor:pointer;transition:.15s;text-align:center;line-height:1.4;
}
.btn-primary{background:var(--orange);color:#fff;border-color:var(--orange);}
.btn-primary:hover{background:var(--orange-2);border-color:var(--orange-2);color:#fff;}
.btn-navy{background:var(--navy);color:#fff;border-color:var(--navy);}
.btn-navy:hover{background:var(--navy-2);color:#fff;}
.btn-outline{background:#fff;color:var(--navy);border-color:var(--line-2);}
.btn-outline:hover{border-color:var(--navy);color:var(--navy);background:var(--bg-soft);}
.btn-light{background:#fff;color:var(--navy);}
.btn-light:hover{background:#eef2f7;color:var(--navy);}
.btn-sm{padding:8px 14px;font-size:.83rem;}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}

.hdr-cta{display:flex;gap:10px;align-items:center;}
.burger{display:none;background:none;border:1px solid var(--line-2);border-radius:8px;width:42px;height:38px;cursor:pointer;padding:0;}
.burger i{display:block;width:18px;height:2px;background:var(--navy);margin:4px auto;}

/* ---------- hero ---------- */
.hero{background:var(--navy);color:#d7e0ec;padding:76px 0 0;position:relative;overflow:hidden;}
.hero::after{content:"";position:absolute;right:-140px;top:-120px;width:520px;height:520px;border-radius:50%;background:rgba(194,65,12,.16);}
.hero .wrap{position:relative;z-index:2;}
.hero h1{color:#fff;font-size:2.5rem;max-width:820px;}
.hero .lead{font-size:1.08rem;max-width:760px;color:#c3d0e0;}
.hero .eyebrow{color:var(--orange-2);font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:.75rem;margin-bottom:14px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0 30px;}
.hero-tags span{background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);color:#dbe4ef;padding:5px 12px;border-radius:999px;font-size:.82rem;}
.hero .btn-row{margin-bottom:56px;}

/* ---------- stats ---------- */
.stats{background:var(--navy-2);border-top:1px solid rgba(255,255,255,.1);}
.stats .grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat{padding:26px 20px;border-right:1px solid rgba(255,255,255,.1);text-align:center;}
.stat:last-child{border-right:0;}
.stat b{display:block;font-size:1.9rem;color:#fff;line-height:1.1;}
.stat span{display:block;font-size:.8rem;color:#a8b8cc;margin-top:6px;letter-spacing:.03em;}

/* ---------- grids ---------- */
.grid{display:grid;gap:22px;}
.g-2{grid-template-columns:repeat(2,1fr);}
.g-3{grid-template-columns:repeat(3,1fr);}
.g-4{grid-template-columns:repeat(4,1fr);}

.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;transition:.18s;}
.card:hover{border-color:var(--line-2);box-shadow:0 10px 26px rgba(15,30,57,.07);transform:translateY(-2px);}
.card h3,.card h4{margin-bottom:.4em;}
.card p{color:var(--ink-2);font-size:.93rem;margin-bottom:.6em;}
.card p:last-child{margin-bottom:0;}
.card .more{font-weight:700;font-size:.85rem;color:var(--orange);}
.card ul{font-size:.9rem;color:var(--ink-2);}
.card ul li{margin:.25em 0;}

.cat-card{border-top:3px solid var(--accent,var(--navy-3));}
.cat-card .num{font-size:.75rem;font-weight:800;color:var(--accent,var(--navy-3));letter-spacing:.1em;}
.cat-card h3{font-size:1.05rem;margin:.3em 0 .1em;}
.cat-card .zh{font-size:.8rem;color:var(--ink-3);display:block;margin-bottom:.6em;}
.cat-card ul{font-size:.86rem;padding-left:1.1em;}
.cat-card .more{margin-top:12px;display:inline-block;}

/* ---------- breadcrumb ---------- */
.crumb{background:var(--bg-soft);border-bottom:1px solid var(--line);font-size:.82rem;}
.crumb .wrap{padding:12px 24px;color:var(--ink-3);}
.crumb a{color:var(--ink-2);}
.crumb span.sep{margin:0 8px;color:var(--line-2);}

/* ---------- page hero ---------- */
.phero{background:var(--navy);color:#c9d6e5;padding:44px 0;}
.phero h1{color:#fff;font-size:2rem;margin-bottom:.3em;}
.phero p{max-width:800px;color:#b8c6d8;margin:0;}
.phero .eyebrow{color:var(--orange-2);font-size:.74rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;margin-bottom:10px;}

/* ---------- tables ---------- */
.tbl-wrap{overflow-x:auto;margin:18px 0 8px;}
table.tbl{width:100%;border-collapse:collapse;font-size:.9rem;background:#fff;}
table.tbl th,table.tbl td{border:1px solid var(--line);padding:10px 13px;text-align:left;vertical-align:top;}
table.tbl th{background:var(--bg-soft-2);color:var(--navy);font-weight:700;font-size:.85rem;}
table.tbl tbody tr:nth-child(even){background:#fbfcfe;}
table.tbl td:first-child{font-weight:600;color:var(--navy);white-space:nowrap;}
table.tbl.clean td:first-child{white-space:normal;}

/* ---------- sub-category blocks ---------- */
.sub{border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;margin-bottom:18px;background:#fff;}
.sub h3{margin-bottom:.25em;}
.sub .zh{color:var(--ink-3);font-size:.85rem;display:block;margin-bottom:.7em;}
.sub .cols{display:grid;grid-template-columns:1.2fr 1fr;gap:22px;}
.sub ul{margin:0;font-size:.9rem;color:var(--ink-2);}
.sub .kv{font-size:.87rem;}
.sub .kv div{display:flex;gap:10px;padding:5px 0;border-bottom:1px dashed var(--line);}
.sub .kv div:last-child{border-bottom:0;}
.sub .kv b{min-width:130px;color:var(--navy);font-size:.83rem;}

/* ---------- steps ---------- */
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(5,1fr);gap:14px;counter-reset:s;}
.steps li{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px;position:relative;font-size:.87rem;}
.steps li::before{
  counter-increment:s;content:counter(s);display:flex;align-items:center;justify-content:center;
  width:26px;height:26px;border-radius:50%;background:var(--navy);color:#fff;font-size:.8rem;font-weight:700;margin-bottom:8px;
}
.steps li b{display:block;color:var(--navy);margin-bottom:2px;}
.steps li span{color:var(--ink-2);}

/* ---------- checklist ---------- */
.checks{list-style:none;padding:0;margin:0;}
.checks li{position:relative;padding-left:26px;margin:.45em 0;font-size:.93rem;}
.checks li::before{content:"";position:absolute;left:0;top:.5em;width:14px;height:8px;border-left:2.5px solid var(--orange);border-bottom:2.5px solid var(--orange);transform:rotate(-45deg);}

/* ---------- badges ---------- */
.badges{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 0;}
.badge{background:var(--bg-soft-2);border:1px solid var(--line);color:var(--ink-2);padding:4px 11px;border-radius:999px;font-size:.8rem;}
.badge--o{background:var(--orange-soft);border-color:#f6d9c2;color:#9a3412;}

/* ---------- faq ---------- */
.faq{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;}
.faq details{border-bottom:1px solid var(--line);}
.faq details:last-child{border-bottom:0;}
.faq summary{padding:16px 20px;cursor:pointer;font-weight:600;color:var(--navy);font-size:.96rem;list-style:none;display:flex;justify-content:space-between;gap:16px;}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";color:var(--orange);font-weight:800;font-size:1.15rem;line-height:1;}
.faq details[open] summary::after{content:"\2212";}
.faq details[open] summary{background:var(--bg-soft);}
.faq .a{padding:0 20px 18px;color:var(--ink-2);font-size:.93rem;}

/* ---------- callouts ---------- */
.note{border-left:4px solid var(--orange);background:var(--orange-soft);padding:16px 20px;border-radius:0 var(--radius) var(--radius) 0;margin:20px 0;font-size:.93rem;}
.note b{color:#9a3412;}
.note p:last-child{margin-bottom:0;}
.note--navy{border-left-color:var(--navy-3);background:var(--bg-soft);}
.note--navy b{color:var(--navy);}

/* ---------- cta band ---------- */
.cta-band{background:var(--navy);color:#c9d6e5;padding:56px 0;}
.cta-band h2{color:#fff;}
.cta-band p{color:#b8c6d8;max-width:700px;}
.cta-band .btn-row .btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.4);}
.cta-band .btn-row .btn-outline:hover{background:rgba(255,255,255,.1);color:#fff;}

/* ---------- form ---------- */
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field label{display:block;font-size:.83rem;font-weight:700;color:var(--navy);margin-bottom:5px;}
.field label .opt{font-weight:400;color:var(--ink-3);}
.field input,.field select,.field textarea{
  width:100%;padding:10px 12px;border:1px solid var(--line-2);border-radius:8px;font:inherit;font-size:.92rem;background:#fff;color:var(--ink);
}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid rgba(194,65,12,.35);border-color:var(--orange);}
.field.full{grid-column:1/-1;}
.file-drop{border:2px dashed var(--line-2);border-radius:10px;padding:22px;text-align:center;background:var(--bg-soft);}
.file-drop input{margin-top:10px;}
.form-note{font-size:.82rem;color:var(--ink-3);margin-top:14px;}

/* ---------- trust strip ---------- */
.trust-strip{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-lg);padding:20px 24px;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.trust-strip div{font-size:.85rem;color:var(--ink-2);}
.trust-strip b{display:block;color:var(--navy);font-size:1.05rem;}

/* ---------- footer ---------- */
.site-footer{background:var(--navy);color:#a9b9cc;font-size:.88rem;padding:56px 0 0;}
.site-footer h4{color:#fff;font-size:.95rem;margin-bottom:14px;}
.site-footer ul{list-style:none;padding:0;margin:0;}
.site-footer ul li{margin:.35em 0;}
.site-footer a{color:#a9b9cc;}
.site-footer a:hover{color:#fff;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding:20px 0 28px;font-size:.8rem;color:#7f92a8;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;}

/* ---------- responsive ---------- */
@media (max-width:1000px){
  .g-4{grid-template-columns:repeat(2,1fr);}
  .g-3{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .foot-grid{grid-template-columns:1fr 1fr;}
  .stats .grid{grid-template-columns:repeat(2,1fr);}
  .stat:nth-child(2){border-right:0;}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid rgba(255,255,255,.1);}
  .sub .cols{grid-template-columns:1fr;}
}
@media (max-width:820px){
  .nav{
    display:none;position:absolute;top:74px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);
    max-height:calc(100vh - 74px);overflow:auto;padding:10px;
  }
  .nav.open{display:block;}
  .nav ul{flex-direction:column;align-items:stretch;gap:0;}
  .nav li.has-menu > a::after{float:right;margin-top:9px;}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:0 0 0 10px;display:none;}
  .nav li.has-menu:hover .dropdown{display:block;}
  .burger{display:block;}
  .hdr-cta .btn{display:none;}
  .hero h1{font-size:1.8rem;}
  .phero h1{font-size:1.55rem;}
  .g-2,.g-3,.g-4{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .trust-strip{grid-template-columns:1fr 1fr;}
  .foot-grid{grid-template-columns:1fr;}
}
@media (max-width:520px){
  .stats .grid{grid-template-columns:1fr;}
  .stat{border-right:0;border-bottom:1px solid rgba(255,255,255,.1);}
  .steps{grid-template-columns:1fr;}
  .trust-strip{grid-template-columns:1fr;}
}