/* ===== 新易货（重庆）国际贸易有限公司 · 静态官网原型样式 ===== */
:root{
  --blue-900:#0f2a52;
  --blue-700:#1e4e8c;
  --blue-600:#2563eb;
  --blue-500:#3b82f6;
  --blue-100:#e6f0fb;
  --amber:#f59e0b;
  --ink:#1f2937;
  --gray-600:#475569;
  --gray-500:#64748b;
  --gray-300:#cbd5e1;
  --gray-100:#f1f5f9;
  --bg:#ffffff;
  --bg-soft:#f8fafc;
  --radius:14px;
  --shadow:0 10px 30px rgba(15,42,82,.08);
  --shadow-hover:0 16px 40px rgba(15,42,82,.16);
  --maxw:1180px;
  --header-h:68px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.7;font-size:15px;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}
section{padding:72px 0}
.bg-soft{background:var(--bg-soft)}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--gray-100);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:var(--header-h)}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--blue-900);font-size:18px}
.brand .logo{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--blue-600),var(--blue-900));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800}
.brand .logo-img{height:46px;width:auto;border-radius:8px;background:#fff;padding:3px;box-shadow:0 2px 10px rgba(15,42,82,.12)}
.nav-links{display:flex;gap:26px;list-style:none;align-items:center}
.nav-links a{font-weight:600;color:var(--gray-600);position:relative;padding:6px 0;transition:color .2s}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--blue-600);transition:width .25s}
.nav-links a:hover,.nav-links a.active{color:var(--blue-700)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.btn{display:inline-block;padding:11px 22px;border-radius:999px;font-weight:700;cursor:pointer;transition:all .2s;border:none}
.btn-primary{background:var(--blue-600);color:#fff;box-shadow:0 8px 20px rgba(37,99,235,.3)}
.btn-primary:hover{background:var(--blue-700);transform:translateY(-2px);box-shadow:0 12px 26px rgba(37,99,235,.4)}
.btn-outline{background:transparent;color:var(--blue-700);border:1.5px solid var(--blue-600)}
.btn-outline:hover{background:var(--blue-100)}
.btn-light{background:#fff;color:var(--blue-700)}
.btn-light:hover{background:var(--blue-100)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2.5px;background:var(--blue-900);border-radius:2px;transition:.3s}

/* ---------- Hero ---------- */
.hero{
  position:relative;color:#fff;overflow:hidden;
  background:radial-gradient(1200px 500px at 80% -10%,rgba(59,130,246,.45),transparent),
             linear-gradient(135deg,var(--blue-900),var(--blue-700));
}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:46px 46px;opacity:.5}
.hero .container{position:relative;padding:96px 20px 104px}
.hero-tag{display:inline-block;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.25);padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;margin-bottom:20px}
.hero h1{font-size:42px;line-height:1.25;font-weight:800;margin-bottom:18px;max-width:760px}
.hero p.lead{font-size:17px;color:rgba(255,255,255,.88);max-width:640px;margin-bottom:30px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:40px;margin-top:54px;flex-wrap:wrap}
.hero-stats .num{font-size:30px;font-weight:800;color:#fff}
.hero-stats .lbl{font-size:13px;color:rgba(255,255,255,.75)}

/* ---------- Section heading ---------- */
.sec-head{text-align:center;max-width:720px;margin:0 auto 48px}
.sec-head .kicker{color:var(--blue-600);font-weight:700;font-size:13px;letter-spacing:1px;text-transform:uppercase}
.sec-head h2{font-size:30px;color:var(--blue-900);margin:10px 0 12px;font-weight:800}
.sec-head p{color:var(--gray-500)}

/* ---------- Cards / Grid ---------- */
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--gray-100);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:all .25s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:var(--blue-100)}
.card .ico{width:52px;height:52px;border-radius:13px;background:var(--blue-100);color:var(--blue-700);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.card h3{font-size:18px;color:var(--blue-900);margin-bottom:8px}
.card p{color:var(--gray-500);font-size:14px}
.card .more{display:inline-block;margin-top:14px;color:var(--blue-600);font-weight:700;font-size:14px}

/* ---------- Business split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split .visual{background:linear-gradient(135deg,var(--blue-700),var(--blue-900));border-radius:20px;min-height:340px;padding:36px;color:#fff;display:flex;flex-direction:column;justify-content:center}
.split .visual h3{font-size:24px;margin-bottom:14px}
.split .visual ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.split .visual li{display:flex;gap:10px;align-items:flex-start}
.split .visual li::before{content:"✓";color:var(--amber);font-weight:800}
.tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.tag{background:var(--blue-100);color:var(--blue-700);font-size:13px;padding:6px 13px;border-radius:999px;font-weight:600}

/* ---------- Product categories ---------- */
.cat-card{border:1px solid var(--gray-100);border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--shadow);transition:all .25s}
.cat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.cat-card .top{height:120px;background:linear-gradient(135deg,var(--blue-600),var(--blue-900));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:18px;letter-spacing:1px}
.cat-card .body{padding:20px 22px}
.cat-card .body ul{list-style:none;display:flex;flex-direction:column;gap:8px;margin-top:6px}
.cat-card .body li{color:var(--gray-600);font-size:14px;padding-left:18px;position:relative}
.cat-card .body li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:var(--blue-500)}

/* ---------- News ---------- */
.news-item{display:flex;gap:20px;padding:22px 0;border-bottom:1px solid var(--gray-100)}
.news-item .date{flex:0 0 86px;text-align:center;background:var(--blue-100);color:var(--blue-700);border-radius:12px;padding:10px;font-weight:800;height:fit-content}
.news-item .date span{display:block;font-size:22px;line-height:1}
.news-item .date small{font-size:12px;color:var(--gray-500);font-weight:600}
.news-item h3{font-size:17px;color:var(--blue-900);margin-bottom:6px}
.news-item p{color:var(--gray-500);font-size:14px}

/* ---------- Contact ---------- */
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.info-box{background:var(--blue-900);color:#fff;border-radius:var(--radius);padding:34px}
.info-box h3{margin-bottom:18px;font-size:20px}
.info-box .row{display:flex;gap:12px;margin-bottom:16px;align-items:flex-start}
.info-box .row .ico{width:34px;height:34px;border-radius:9px;background:rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;flex:0 0 34px}
.info-box .row a:hover{text-decoration:underline}
.form .field{margin-bottom:16px}
.form label{display:block;font-weight:600;margin-bottom:6px;color:var(--gray-600)}
.form input,.form textarea{width:100%;padding:12px 14px;border:1px solid var(--gray-300);border-radius:10px;font-family:inherit;font-size:14px;transition:border .2s}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--blue-600);box-shadow:0 0 0 3px var(--blue-100)}
.form textarea{resize:vertical;min-height:110px}

/* ---------- Footer ---------- */
.site-footer{background:var(--blue-900);color:rgba(255,255,255,.8);padding:54px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px}
.site-footer ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.site-footer ul a{color:rgba(255,255,255,.72);font-size:14px}
.site-footer ul a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:20px;text-align:center;font-size:13px;color:rgba(255,255,255,.6)}
.footer-bottom a{color:rgba(255,255,255,.8);text-decoration:underline}

/* ---------- Breadcrumb ---------- */
.crumb{background:var(--bg-soft);padding:18px 0;font-size:13px;color:var(--gray-500)}
.crumb a{color:var(--blue-600)}

/* ---------- Responsive ---------- */
@media(max-width:920px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .split,.contact-wrap{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  .nav-links{position:fixed;top:var(--header-h);left:0;right:0;background:#fff;flex-direction:column;gap:0;padding:10px 20px 20px;box-shadow:var(--shadow);transform:translateY(-130%);transition:transform .3s;z-index:40}
  .nav-links.open{transform:translateY(0)}
  .nav-links li{width:100%;border-bottom:1px solid var(--gray-100)}
  .nav-links a{display:block;padding:14px 4px}
  .nav-toggle{display:flex}
  .hero h1{font-size:30px}
  .grid-3,.grid-4,.grid-2{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  section{padding:54px 0}
  .brand .logo-img{height:40px}
}