/* ===== GlobalLink Trading — 外贸纯展示站样式 ===== */
:root{
  --blue:#1a3a6b; --blue2:#2c5aa0; --orange:#f5821f; --orange2:#ff9d42;
  --ink:#22303f; --gray:#5b6b7f; --line:#e6ebf2; --bg:#f7f9fc; --white:#fff;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--ink);line-height:1.65;background:var(--white)}
a{color:var(--blue2);text-decoration:none}
a:hover{color:var(--orange)}
.container{max-width:1160px;margin:0 auto;padding:0 24px}
h1,h2,h3,h4{line-height:1.25;color:var(--blue)}
ul{list-style:none}
img{max-width:100%;display:block}

/* Buttons */
.btn-primary,.btn-nav,.btn-ghost{
  display:inline-block;border-radius:8px;font-weight:600;cursor:pointer;border:none;transition:.2s;font-size:15px;
}
.btn-primary{background:var(--orange);color:#fff;padding:13px 26px}
.btn-primary:hover{background:var(--orange2);color:#fff;transform:translateY(-2px)}
.btn-nav{background:var(--blue);color:#fff;padding:9px 18px;font-size:14px}
.btn-nav:hover{background:var(--blue2);color:#fff}
.btn-ghost{background:transparent;color:var(--white);padding:13px 22px;border:2px solid rgba(255,255,255,.7)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.12)}
.full{width:100%;text-align:center}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:var(--white);box-shadow:0 2px 12px rgba(0,0,0,.06)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{font-size:22px;font-weight:800;color:var(--blue)}
.logo-mark{color:var(--orange)}
.menu{display:flex;gap:28px}
.menu a{font-weight:500;color:var(--ink)}
.menu a:hover{color:var(--orange)}

/* Hero */
.hero{background:linear-gradient(120deg,var(--blue) 0%,var(--blue2) 60%,#3a6cc0 100%);color:#fff;padding:90px 0 70px;text-align:center}
.hero-tag{display:inline-block;background:rgba(255,255,255,.14);padding:6px 16px;border-radius:20px;font-size:14px;margin-bottom:20px}
.hero h1{color:#fff;font-size:44px;max-width:760px;margin:0 auto 18px;font-weight:800}
.hl{color:var(--orange2)}
.hero-sub{font-size:18px;max-width:620px;margin:0 auto 30px;color:rgba(255,255,255,.9)}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:55px}
.hero-stats{display:flex;justify-content:center;gap:50px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.18);padding-top:32px}
.hero-stats div{display:flex;flex-direction:column}
.hero-stats b{font-size:38px;font-weight:800;color:var(--orange2)}
.hero-stats span{font-size:14px;color:rgba(255,255,255,.85)}

/* Sections */
.section{padding:72px 0}
.section-title{text-align:center;font-size:32px;margin-bottom:10px}
.section-sub{text-align:center;color:var(--gray);margin-bottom:44px}

/* Grid */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.center{text-align:center;margin-top:40px}

/* Cards */
.card{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:28px 22px;text-align:center;transition:.25s}
.card:hover{transform:translateY(-6px);box-shadow:0 14px 30px rgba(26,58,107,.1);border-color:transparent}
.card-icon{font-size:42px;margin-bottom:14px}
.card h3{font-size:19px;margin-bottom:10px}
.card p{color:var(--gray);font-size:14.5px}

/* Products */
.product-card{background:var(--white);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.25s;display:flex;flex-direction:column}
.product-card:hover{transform:translateY(-6px);box-shadow:0 14px 30px rgba(26,58,107,.1)}
.product-img{height:190px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#eef3fb,#f7f9fc);font-size:72px;overflow:hidden}
.product-img img{width:100%;height:100%;object-fit:cover}
.product-emoji{line-height:1}
.product-body{padding:20px;flex:1;display:flex;flex-direction:column}
.product-cat{font-size:12px;color:var(--orange);font-weight:700;text-transform:uppercase;letter-spacing:.5px}
.product-body h3{font-size:19px;margin:6px 0 10px}
.product-body p{color:var(--gray);font-size:14px;flex:1}
.product-foot{display:flex;align-items:center;justify-content:space-between;margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}
.moq{font-size:13px;color:var(--gray);font-weight:600}
.inquire{font-weight:700;font-size:14px;white-space:nowrap}

/* Process */
.process{background:var(--bg)}
.steps{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;position:relative}
.step{flex:1;min-width:140px;background:var(--white);border-radius:12px;padding:22px 16px;text-align:center;border:1px solid var(--line);position:relative}
.step span{display:inline-block;width:42px;height:42px;line-height:42px;border-radius:50%;background:var(--orange);color:#fff;font-weight:800;font-size:16px;margin-bottom:10px}
.step h4{font-size:16px;margin-bottom:6px}
.step p{font-size:13px;color:var(--gray)}

/* CTA */
.cta{background:linear-gradient(120deg,var(--orange),var(--orange2));color:#fff;text-align:center;padding:64px 0;border-radius:0}
.cta h2{color:#fff;font-size:30px;margin-bottom:12px}
.cta p{font-size:17px;margin-bottom:26px}

/* Page head */
.page-head{background:var(--bg);padding:52px 0 40px;text-align:center;border-bottom:1px solid var(--line)}
.page-head h1{font-size:36px}
.page-head p{color:var(--gray);margin-top:12px;max-width:640px;margin-left:auto;margin-right:auto}

/* Filters */
.filters{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:24px}
.filter-btn{background:var(--white);border:1px solid var(--line);padding:8px 18px;border-radius:30px;cursor:pointer;font-weight:600;color:var(--gray);transition:.2s}
.filter-btn:hover{border-color:var(--orange);color:var(--orange)}
.filter-btn.active{background:var(--blue);color:#fff;border-color:var(--blue)}

/* About */
.about-content{display:grid;grid-template-columns:1.6fr 1fr;gap:44px}
.about-text h2{font-size:26px;margin:28px 0 14px}
.about-text p{color:var(--gray);margin-bottom:14px}
.check-list li{position:relative;padding-left:28px;margin-bottom:10px;color:var(--gray)}
.check-list li::before{content:"✓";position:absolute;left:0;color:var(--orange);font-weight:800}
.values{margin-top:20px}
.about-side{display:flex;flex-direction:column;gap:20px}
.side-box{background:var(--bg);border-radius:14px;padding:26px;border:1px solid var(--line)}
.side-box h3{margin-bottom:16px}
.profile{width:100%;font-size:14px}
.profile td{padding:10px 0;border-bottom:1px solid var(--line);vertical-align:top}
.profile td:first-child{color:var(--gray);width:45%}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:44px}
.inquiry-form{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:32px;box-shadow:0 8px 24px rgba(0,0,0,.04)}
.inquiry-form h3{margin-bottom:22px}
.inquiry-form label{display:block;font-weight:600;font-size:14px;margin:14px 0 6px}
.inquiry-form input,.inquiry-form textarea{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:8px;font-size:15px;font-family:inherit;transition:.2s}
.inquiry-form input:focus,.inquiry-form textarea:focus{outline:none;border-color:var(--blue2);box-shadow:0 0 0 3px rgba(44,90,160,.12)}
.form-note{font-size:13px;color:var(--gray);margin-top:16px;text-align:center}
.contact-info{display:flex;flex-direction:column;gap:18px}
.info-block{background:var(--bg);border-radius:12px;padding:20px;border:1px solid var(--line)}
.info-block h4{font-size:16px;margin-bottom:6px}
.info-block p{color:var(--gray);font-size:14.5px}

/* Footer */
.site-footer{background:var(--blue);color:rgba(255,255,255,.85);padding:56px 0 0;margin-top:60px}
.footer-grid{margin-bottom:40px}
.site-footer h5{color:#fff;margin-bottom:16px;font-size:16px}
.site-footer ul li{margin-bottom:8px}
.site-footer a{color:rgba(255,255,255,.75)}
.site-footer a:hover{color:var(--orange2)}
.copyright{text-align:center;padding:22px;border-top:1px solid rgba(255,255,255,.14);font-size:13px}

/* Responsive */
@media (max-width:900px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .about-content,.contact-grid{grid-template-columns:1fr}
  .hero h1{font-size:32px}
  .hero-stats{gap:28px}
}
@media (max-width:560px){
  .grid-3,.grid-4{grid-template-columns:1fr}
  .menu{gap:16px;font-size:14px}
  .hero{padding:60px 0 50px}
  .hero h1{font-size:27px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .section{padding:50px 0}
  .nav{height:60px}
}