@charset "utf-8";

/*共用*/

body,div{margin: 0px; padding: 0px; margin: 0px;}
span,p{margin: 0px; padding: 0px;}
h1,h2,h3,h4,h5,h6{margin: 0px; padding: 0px;}
img{margin: 0px; padding: 0px;}
dl,dt,dd,ol,ul,li{margin: 0px; padding: 0px; list-style: none;}
img{border-right-width: 0px; border-top-width: 0px; border-bottom-width: 0px; border-left-width: 0px;}
from,input,select{margin: 0px; padding: 0px;}
.clear{clear:both; font-size:0px; overflow:hidden; height:0px;}
a{color: #666;text-decoration: none;}
a:hover{color: #ff6600; text-decoration: none;}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Microsoft YaHei";
}
body {
  position: relative;
}


/*把font-size: 16px;放大到font-size: 30px;*/

.nav .nav-item a:hover {
  font-size: 30px;
  color: #666666;
  margin-left: 40px;
  margin-top: -10px;
  user-select: none;
  cursor: pointer;
  padding: 10px 0;
}


  /* 基础样式重置 */
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family:"Microsoft YaHei";color: #333; }
        .center { width: 1200px; margin: 0 auto; }
        a { text-decoration: none; color: inherit; }
        ul { list-style: none; }
        img { border: none; vertical-align: middle; }
        /* 头部样式 */
        .header { height: 80px; background: #fff; box-shadow: 0 2px 5px rgba(0,0,0,0.1); }
        .header-content { display: flex; justify-content: space-between; align-items: center; height: 100%; }
        .logo { display: flex; align-items: center; gap: 0px;margin-left: -45px; }
        .nav { display: flex; gap: 5px; }
        .nav-item { padding: 0 5px; height: 80px; line-height: 80px; cursor: pointer; }


        /* 横幅样式 */
        .banner { height: 500px; background: #62b0e1; padding: 30px 0; }
        .banner .center { display: flex; align-items: center; height: 100%; }
        .banner-left { flex: 1; }
        .banner-title { margin-bottom: 30px; }
        .first-title { font-size: 36px; font-weight: bold; margin-bottom: 10px; color: #fff;}
        .flash { color: #e9061c; font-size: 20px; margin-bottom: 10px; }
        .second-title { font-size: 24px; color: #fff; }
        .trait { margin-bottom: 30px; }
        .trait-item { margin-bottom: 15px; display: flex; gap: 20px; }
        .trait-item span { font-size: 16px;color: #fff;font-family:"Microsoft YaHei";   }

        /* 页脚样式 */
        .footer { padding: 40px 0; background: #333; color: #ccc; font-size: 14px; line-height: 2; text-align: center; }
        .footer a { color: #ccc; margin: 0 5px; }
        .footer a:hover { color: #fff; }




        /* 响应式调整 */
        @media (max-width: 1200px) {
            .center { width: 90%; }
            .feature-box-content { flex-wrap: wrap; }
            .feature-box-item { flex: 1 1 40%; }
        }
        @media (max-width: 768px) {
            .nav { display: none; }
            .banner .center { flex-direction: column; }
            .feature-box-content { flex-direction: column; }
            .ys ul { flex-direction: column; gap: 30px; }
        }

/*字体放大到30px结束*/

.feature-box-title{
  color: #333;
  text-align: center;
  font-size: 44px;
  font-style: normal;
  font-weight: 700;
  line-height: 100%;
  margin-bottom: 80px;
}


.nav .nav-item a:hover {
  font-size: 30px;
  color: #666666;
  margin-left: 40px;
  user-select: none;
  cursor: pointer;
  padding: 10px 0;
}





  /* 确保元素是块级元素（默认div为块级，可省略） */
  display: block;
  /* 水平居中核心：左右外边距自动 */
  margin-left: auto;
  margin-right: auto;


}


.copy{font-family: Arial, Helvetica, sans-serif;font-size:14px;color: #ABCAD3;}
.gongan{width:15px;height: 15px;}