/* 基础 */
* {margin:0; padding:0; box-sizing:border-box; font-family: "Microsoft YaHei", sans-serif;}
body {line-height:1.6; background:#fff; color:#333;}
a {text-decoration:none; color:inherit;}

/* 头部 */
header {position:relative; width:100%;}
.logo {font-size:24px; font-weight:bold; padding:15px 20px; color:#8B0000; text-align:center;}

/* 横幅 */
.banner {position:relative; overflow:hidden;}
.banner .slides {position:relative;}
.banner .slide {display:none; position:relative;}
.banner .slide.active {display:block;}
.banner img {width:100%; height:auto;}
.banner-text {position:absolute; top:50%; left:50%; transform:translate(-50%,-50%); text-align:center; color:#fff;}
.call-btn {display:inline-block; margin-top:15px; padding:12px 25px; background:#FF4500; color:#fff; font-weight:bold; border-radius:5px; transition:0.3s;}
.call-btn:hover {background:#FF6347;}
.banner-btn {position:absolute; top:50%; width:100%; display:flex; justify-content:space-between;}
.banner-btn button {background:rgba(0,0,0,0.5); border:none; color:#fff; font-size:24px; padding:10px; cursor:pointer;}

/* section 公共 */
.section {padding:50px 20px;}
.section-red {background:#8B0000; color:#fff;}
.section-darkred {background:#A52A2A; color:#fff;}

/* 下载注册按钮组 */
.btn-group {display:flex; flex-wrap:wrap; gap:20px; justify-content:center; margin-top:20px;}
.btn {background:#FF4500; color:#fff; padding:15px 30px; border-radius:5px; font-size:16px; font-weight:bold; transition:all 0.3s;}
.btn:hover {background:#FF6347; transform:translateY(-3px);}

/* 客服系统介绍 */
.about-content {display:flex; flex-wrap:wrap; gap:20px; align-items:center;}
.about-content .text {flex:1; min-width:300px;}
.about-content .image {flex:1; min-width:300px;}
.about-content img {width:100%; height:auto; border-radius:8px;}

/* 公司风采 */
.style-list {display:flex; flex-wrap:wrap; gap:20px; justify-content:center;}
.style-item {width:200px; text-align:center; background:#A52A2A; padding:10px; border-radius:5px; height:250px; display:flex; flex-direction:column; align-items:center;}
.style-item img {width:100%; height:150px; object-fit:cover; border-radius:5px;}

/* 底部 */
footer {text-align:center; padding:20px; background:#8B0000; color:#fff;}
.contact-info p {margin:5px 0;}

/* 返回顶部按钮 */
#toTop {position:fixed; bottom:30px; right:30px; width:50px; height:50px; background:#FF4500; border-radius:50%; display:flex; justify-content:center; align-items:center; cursor:pointer; font-size:24px; color:#fff;}
#toTop:hover {background:#FF6347;}