* { margin: 0; padding: 0; box-sizing: border-box; -webkit-box-sizing: border-box; -moz-box-sizing: border-box; -ms-box-sizing: border-box; -o-box-sizing: border-box; transition: all 0.5s; -webkit-transition: all 0.5s; -moz-transition: all 0.5s; -o-transition: all 0.5s;}
html, body { min-width: 1360px;}
body { font: 16px/1.5 '\5FAE\8F6F\96C5\9ED1', 'Arial', 'Microsoft Yahei', 'Helvetica', 'sans-serif';}
table, th, td, tr { border-collapse: collapse; border-spacing: 0; font-size: 16px;}
ol, ul { list-style: none;}
li { list-style-type: none;}
img { max-width: 100%; border: 0;}
.clear::after { content: ''; display: block; height: 0; overflow: hidden; clear: both;}
a { color: #000; text-decoration: none;}
a:visited, a:hover, a:active { text-decoration: none;}
.fl { float: left;}
.fr { float: right;}

.icon { display: block; width: 100%; height: 100%;}
.cover, .cover1 { display: block; position: absolute; left: 0; top: 0; right: 0; bottom: 0;}
.cover { width: 100%; height: 100%; object-fit: cover;}
.cover1 { max-width: 100%; max-height: 100%; margin: auto;}
.cover2 { max-width: 80%; max-height: 80%; margin: auto;}

/* 设置滚动条的样式 */
::-webkit-scrollbar { width: 3px; height: 3px;}/* 滚动槽宽度 */
::-webkit-scrollbar-track { background-color: #f0f0f0;}/* 滚动条滑块默认状态 */
::-webkit-scrollbar-thumb { background-color: #3783fa;}
::-webkit-scrollbar-thumb:window-inactive { background-color: #3783fa;}  /* 滚动条滑块点击状态 */


.w1600 { width: 1600px; margin: 0 auto;}
@media (max-width:1600px) {
  .w1600 { width: 1400px;}
}
@media (max-width:1440px) {
  .w1600 { width: 1280px;}
}
@media (max-width:1366px) {
  .w1600 { width: 1200px;}
}


.w1080 { width: 1080px; margin: 0 auto;}
@media (max-width:1080px) {
  .w1080 { width: 100%;}
}


/* 返回顶部lyTop */
.lyTop { position: fixed; top: 50%; right: 5px; z-index: 99; transform: translateY(-50%); -webkit-transform: translateY(-50%);}
.lyTop a { display: block; width: 48px; height: 48px; overflow: hidden; padding: 12px; background-color: #3783fa; border-radius: 50%;}