*{margin:0;padding:0;box-sizing:border-box;font-family:Arial,Helvetica,sans-serif;}
        body{background:#f5f7fa;color:#333;line-height:1.7;}
        .container{max-width:1200px;margin:0 auto;padding:0 20px;}
        header{background:#0F3480;color:#fff;padding:40px 0;text-align:center;}
        header h1{font-size:32px;margin-bottom:12px;}
        header p{font-size:16px;opacity:0.9}
        section{padding:60px 0;}
        .section-title{font-size:26px;color:#165DFF;margin-bottom:35px;padding-bottom:10px;border-bottom:2px solid #165DFF;display:inline-block}
        .contact-card{background:#fff;padding:30px;border-radius:12px;box-shadow:0 2px 14px rgba(0,0,0,0.07);margin-bottom:25px}
        .contact-item{margin:18px 0;font-size:17px}
        .contact-item strong{color:#165DFF;min-width:220px;display:inline-block}
        .cooperate-block{background:#e8f3ff;padding:28px;border-radius:12px;margin-top:40px}
        .cooperate-block h3{color:#165DFF;margin-bottom:20px;font-size:22px}
        footer{background:#0F3480;color:#fff;text-align:center;padding:30px 0;margin-top:60px}