body{margin:0;font-family:Arial,"Microsoft YaHei",sans-serif;background:#f4f7f8;color:#17202b}
a{text-decoration:none;color:inherit}
.top{background:#101820;color:#fff;border-bottom:1px solid rgba(255,255,255,.12)}
.wrap{max-width:1180px;margin:0 auto;padding:0 18px}
.top .wrap{min-height:60px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.top a{color:#ffd166}
.hero{background:linear-gradient(120deg,rgba(16,24,32,.96),rgba(23,107,91,.88)),url('/uploads/ai/20260613/crusher-equipment-yard.jpg') center/cover;color:#fff;padding:66px 0}
.hero h1{font-size:42px;line-height:1.18;margin:0 0 14px}
.hero p{max-width:840px;color:#dbe6eb;line-height:1.9;font-size:17px;margin:0}
.hero .actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 18px;background:#176b5b;color:#fff!important;border-radius:6px;font-weight:800}
.btn.alt{background:#d4a94f;color:#101820!important}
.section{padding:42px 0}
.section.alt{background:#fff}
.head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:20px}
.head h2{font-size:30px;margin:0;color:#101820}
.head p{max-width:620px;margin:0;color:#667789;line-height:1.8}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.grid.two{grid-template-columns:repeat(2,1fr)}
.grid.four{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid #dfe7ef;border-radius:8px;padding:20px;box-shadow:0 10px 26px rgba(17,32,43,.06)}
.alt .card{background:#f8fafc}
.card h3{font-size:20px;line-height:1.35;margin:0 0 9px;color:#101820}
.card p,.card li{color:#667789;line-height:1.85;margin:0}
.card ul{margin:8px 0 0;padding-left:18px}
.tag{display:inline-flex;background:#eef8f5;color:#176b5b;border:1px solid #cfe5de;border-radius:999px;padding:5px 10px;font-size:12px;font-weight:800;margin-bottom:10px}
.table{width:100%;border-collapse:collapse;background:#fff;border:1px solid #dfe7ef;border-radius:8px;overflow:hidden}
.table th,.table td{border:1px solid #e3ebf2;padding:12px;text-align:left;vertical-align:top;line-height:1.75}
.table th{background:#101820;color:#fff}
.note{background:#101820;color:#fff;border-radius:8px;padding:22px;line-height:1.9}
.note strong{color:#ffd166}
.flow{counter-reset:step;display:grid;gap:12px}
.flow .card{position:relative;padding-left:58px}
.flow .card:before{counter-increment:step;content:counter(step);position:absolute;left:18px;top:20px;width:28px;height:28px;border-radius:50%;background:#176b5b;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900}
.cta{background:#101820;color:#fff;border-radius:8px;padding:28px;display:flex;justify-content:space-between;align-items:center;gap:18px;margin-top:24px}
.cta h2{margin:0 0 8px;color:#fff}.cta p{margin:0;color:#dbe6eb;line-height:1.8}
.foot{background:#101820;color:#dbe6eb;padding:26px 0;margin-top:30px}
@media(max-width:900px){.grid,.grid.two,.grid.four{grid-template-columns:1fr 1fr}.head,.cta{display:block}.cta .btn{margin-top:16px}.hero h1{font-size:34px}}
@media(max-width:560px){.grid,.grid.two,.grid.four{grid-template-columns:1fr}.top .wrap{display:block;padding-top:10px;padding-bottom:10px}.hero{padding:44px 0}.hero h1{font-size:28px}.section{padding:30px 0}.head h2{font-size:24px}.table{font-size:13px}}