@import url("https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.7.2/css/all.min.css");
*{margin:0;padding:0;box-sizing:border-box;font-family:Arial,sans-serif}
/* 通用公共类 */
.wrap{max-width:1200px;margin:0 auto;width:100%}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:clamp(24px,3vw,32px);font-weight:700;color:#121212;margin-bottom:8px}
.section-title h2 span{color:#eb8117}
.section-title p{font-size:16px;color:#666;text-transform:uppercase;letter-spacing:1px}
.btn-primary{display:inline-block;padding:12px 28px;background:#eb8117;color:#fff;font-weight:600;border-radius:999px;text-decoration:none;transition:.3s ease;box-shadow:0 3px 8px rgba(235,129,23,.2)}
.btn-primary:hover{background:#d47415;transform:translateY(-3px);box-shadow:0 6px 15px rgba(235,129,23,.3)}
.btn-outline{border:2px solid #eb8117;color:#eb8117;padding:10px 20px;border-radius:4px;font-weight:600;text-decoration:none;transition:.3s ease;background:0 0;white-space:nowrap}
.btn-outline:hover{transform:translateY(-3px) scale(1.05);box-shadow:0 6px 16px rgba(235,129,23,.4)}

/* Hero首屏 */
.hero{width:100%;padding:clamp(40px,8vw,80px) 2%;background:url(https://bsg-i.nbxc.com/product/10/80/d8/5c4f652129250e912fc46ae583.png) no-repeat center/cover;color:#fff;min-height:clamp(500px,60vh,600px);box-sizing:border-box}
.hero-inner{display:flex;flex-wrap:wrap;gap:clamp(20px,5vw,40px);align-items:center;max-width:1100px;margin:0 auto}
.hero-text{flex:1;min-width:min(100%,300px)}
.hero-text h1{font-size:clamp(24px,5vw,32px);line-height:1.3;font-weight:700;margin:0 0 20px}
.hero-text h1 span{color:#eb8117}
.hero-desc{font-size:clamp(14px,2.5vw,16px);opacity:.9;margin:0 0 24px;line-height:1.6}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin:0 0 30px}
.hero-tag{background:#eb8117;color:#fff;padding:10px 16px;border-radius:4px;font-weight:600;white-space:nowrap;transition:.3s ease;cursor:pointer}
.hero-tag:hover{transform:translateY(-3px) scale(1.05);box-shadow:0 6px 16px rgba(235,129,23,.4)}
.hero-stats{display:flex;gap:clamp(10px,3vw,30px);margin-top:20px;flex-wrap:wrap}
.stat-item{text-align:center;transition:.3s ease;flex:1;min-width:70px}
.stat-item:hover{transform:translateY(-3px)}
.stat-item span{font-size:clamp(20px,4vw,26px);font-weight:700;color:#eb8117;display:block}
.stat-item p{font-size:clamp(10px,2vw,12px);margin:4px 0 0}
.hero-img{flex:1;min-width:min(100%,300px);text-align:center;opacity:0;pointer-events:none}
.hero-img img{width:100%;max-width:420px;border-radius:8px}

/* R&D研发实力 */
.rd-section{width:100%;background:#f7f2ec;padding:60px 20px}
.rd-content{max-width:1200px;margin:0 auto;display:flex;flex-wrap:wrap;align-items:center;gap:40px;justify-content:center}
.rd-imgs{flex:1;min-width:300px;display:flex;gap:15px;justify-content:center}
.rd-imgs img{width:48%;border-radius:8px;object-fit:cover;transition:.3s ease;box-shadow:0 2px 8px rgba(0,0,0,.1)}
.rd-imgs img:hover{transform:translateY(-5px);box-shadow:0 8px 16px rgba(0,0,0,.15)}
.rd-text{flex:1;min-width:300px}
.rd-text>p{font-size:16px;color:#333;line-height:1.6;margin-bottom:25px}
.rd-list{list-style:none;margin-bottom:30px}
.rd-list li{display:flex;align-items:flex-start;gap:12px;margin-bottom:20px;padding:15px;border-radius:8px;transition:.3s ease}
.rd-list li:hover{background:#fff;transform:translateX(5px)}
.rd-list .icon{font-size:20px;color:#06c;margin-top:3px}
.rd-list h3{font-size:18px;color:#1a1a1a;font-weight:600;margin-bottom:5px}
.rd-list p{font-size:14px;color:#666;line-height:1.5}

/* 精密模具 */
.mold-section{width:100%;background:#121212;padding:70px 20px}
.mold-section .section-title h2{color:#fff}
.mold-section .section-title p{color:#b0b0b0}
.mold-grid{max-width:1200px;margin:0 auto 40px;display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.mold-card{background:#1e1e1e;border:1px solid rgba(255,255,255,.2);border-radius:10px;overflow:hidden;transition:.3s ease;cursor:pointer}
.mold-card:hover{transform:translateY(-8px);box-shadow:0 0 25px rgba(255,255,255,.25)}
.mold-card .img-box{width:100%;height:250px;overflow:hidden}
.mold-card .img-box img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.mold-card:hover .img-box img{transform:scale(1.08)}
.mold-card .body{padding:25px}
.mold-card h3{font-size:19px;color:#fff;margin-bottom:12px;font-weight:600}
.mold-card p{font-size:14px;color:#ccc;line-height:1.6}
.mold-btn-box{text-align:center}

/* 质量管控 */
.qc-section{width:100%;background:#f7f2ec;padding:70px 20px}
.qc-steps{max-width:1200px;margin:0 auto 40px;display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:10px}
.step-item{padding:10px 20px;background:#fff;border-radius:30px;font-size:15px;font-weight:600;color:#eb8117;white-space:nowrap}
.step-line{width:30px;height:2px;background:#ccc}
.qc-grid{max-width:1400px;margin:0 auto 50px;display:grid;grid-template-columns:repeat(6,1fr);gap:20px}
.qc-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 3px 10px rgba(0,0,0,.05);transition:.3s ease}
.qc-card:hover{transform:translateY(-6px);box-shadow:0 8px 20px rgba(0,0,0,.1)}
.qc-card .img-box{width:100%;height:200px}
.qc-card .img-box img{width:100%;height:100%;object-fit:cover}
.qc-card .body{padding:20px 15px}
.qc-card h3{font-size:16px;color:#121212;font-weight:600;margin-bottom:10px;line-height:1.4}
.qc-card p{font-size:13px;color:#666;line-height:1.5}
.qc-bar{max-width:1000px;margin:0 auto 40px;padding:18px;background:#fff;border-left:4px solid #eb8117;text-align:center;border-radius:8px}
.qc-bar p{font-size:18px;color:#121212;font-weight:600}
.qc-btn-wrap{text-align:center}

/* 产品展示 */
.product-section{width:100%;padding:80px 2%;background:#fff;box-sizing:border-box}
.product-grid{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:24px}
.product-card{background:#f8f8f8;border-radius:8px;overflow:hidden;transition:.3s ease;cursor:pointer}
.product-card:hover{transform:translateY(-8px);box-shadow:0 12px 24px rgba(0,0,0,.1)}
.product-card a{text-decoration:none;display:block;color:inherit}
.product-card .img-box{width:100%;height:200px;overflow:hidden}
.product-card .img-box img{width:100%;height:100%;object-fit:cover;transition:.4s ease}
.product-card:hover .img-box img{transform:scale(1.08)}
.product-card .body{padding:20px;box-sizing:border-box}
.product-card h3{font-size:18px;font-weight:600;color:#121212;margin:0 0 8px}
.product-card p{font-size:14px;color:#666;margin:0 0 16px;line-height:1.4}
.product-card .more{font-size:14px;color:#eb8117;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.product-card .more i{font-size:12px}

/* CTA转化区 */
.cta-section{width:100%;padding:60px 2%;background:#121212;color:#fff;box-sizing:border-box}
.cta-inner{max-width:1100px;margin:0 auto;display:flex;flex-wrap:wrap;gap:clamp(20px,4vw,40px);align-items:center}
.cta-text{flex:1;min-width:300px}
.cta-text h2{font-size:clamp(22px,3vw,26px);font-weight:700;margin:0 0 20px}
.cta-text h2 span{color:#eb8117}
.cta-text>p{font-size:15px;color:#ccc;margin:0 0 30px}
.contact-item{margin-bottom:12px;display:flex;align-items:center;gap:12px;transition:.3s ease}
.contact-item:hover{transform:translateX(6px)}
.contact-item i{color:#eb8117;font-size:16px}
.contact-item span{font-size:15px}
.cta-text .btn-primary{margin-top:20px}
.cta-form{flex:1;min-width:300px;background:rgba(255,255,255,.05);border:1px solid #333;padding:30px;border-radius:8px;transition:.3s ease}
.cta-form:hover{transform:translateY(-6px);box-shadow:0 12px 28px rgba(235,129,23,.2)}
.cta-form h3{font-size:18px;font-weight:600;color:#eb8117;margin:0 0 20px}
.cta-form form{display:flex;flex-direction:column;gap:16px;width:100%}
.form-input{background:rgba(255,255,255,.1);border:1px solid #444;padding:12px;border-radius:4px;color:#fff;outline:none;transition:.3s ease;width:100%;box-sizing:border-box}
.form-input:focus{border-color:#eb8117;box-shadow:0 0 8px rgba(235,129,23,.3)}
.form-btn{background:#eb8117;color:#fff;padding:12px;border-radius:4px;font-weight:600;border:none;cursor:pointer;transition:.3s ease;width:100%}
.form-btn:hover{transform:translateY(-3px) scale(1.03);box-shadow:0 6px 16px rgba(235,129,23,.4)}

/* 响应式适配 */
@media (max-width:1200px){.qc-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:992px){.mold-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:768px){
.rd-content{flex-direction:column}
.section-title h2{font-size:26px}
.mold-grid{grid-template-columns:1fr}
.mold-section .section-title h2{font-size:28px}
.qc-grid{grid-template-columns:repeat(2,1fr)}
.step-line{display:none}
.qc-main-title{font-size:28px}
}
@media (max-width:480px){.qc-grid{grid-template-columns:1fr}}