*{margin:0;padding:0;box-sizing:border-box}
body{background:#000;font-family:"Microsoft Yahei",Arial,sans-serif;color:#fff;line-height:1.6}
img{max-width:100%;height:auto;display:block}
.container{width:100%;max-width:1920px;margin:0 auto;overflow:hidden}
.main-content{display:flex;flex-wrap:wrap}
.product-img-box{width:75%;position:relative;max-height:100vh}
.info-text-box{width:25%;padding:1.5rem 2.5rem;background:#222;font-size:14px;overflow-y:auto;max-height:100vh}
.product-img-box .logo{position:absolute;left:2rem;top:2rem}
.product-img-box .logo img{margin-right:20px;float:left;height:50px}
.en-desc{margin-bottom:20px;color:#ddd;line-height:1.7}
.cn-desc{margin-bottom:30px;color:#eee;line-height:1.7}
.contact-footer{background:#f5522f;border-top:1px solid #555;padding:1.5rem 2rem;font-size:14px;color:#fff}
.contact-footer p{margin:.5rem 0}
.gsh-logo{margin-top:1rem}
.gsh-logo img{width:60%}

@media screen and (max-width:1200px){
	.product-img-box{width:65%}
	.info-text-box{width:35%;padding:1rem 2rem}
}
@media screen and (max-width:768px){
	.main-content{flex-direction:column}
	.info-text-box,.product-img-box{width:100%}
	.info-text-box{max-height:unset}
	.logo-sfs,.logo-wizz{font-size:24px}
    .gsh-logo img{width:50%}
}
@media screen and (max-width:480px){
	.brand-header{padding:8px 10px}
	.logo-sfs,.logo-wizz{font-size:20px;padding:2px 10px}
	.info-text-box{padding:16px 10px;font-size:14px}
	.product-img-box .logo{left:1rem;top:1.5rem}
	.product-img-box .logo img{margin-right:10px;height:40px}
    .gsh-logo img{width:40%}
}