/*----------------------------------【轮播图】----------------------------------*/
.slide{
	text-align: center;
	display: none;
}
/*----------------------------------【背景切换】----------------------------------*/
body>:not(.noblur){}/*背景模糊*/

body {
  background: url(../img/default/bg1.jpg) no-repeat center;
  background-size: cover;
  animation: maskRotateb 20s step-start infinite;
}
 @keyframes maskRotateb{
 	50%{
 		background: url(../img/default/bg1.jpg) no-repeat center;
 		background-size: cover;
 	}
 	100%{
 		background: url(../img/default/bg2.jpg) no-repeat center;
 		background-size: cover;
 	}
 }

body::before {
   content: "";
   top: 0;
   left: 0;
   right: 0;
   bottom: 0;
   position: absolute;
   background: url(../img/default/bg1.jpg) no-repeat center;
   background-size: cover;
   animation: maskRotate 20s step-start infinite;
   -webkit-animation: maskRotate 20s step-start infinite;
 }

 @keyframes maskRotate {
   	40.0% {
   		background: url(../img/default/bg1.jpg) no-repeat center;
   		background-size: cover;
        -webkit-mask: linear-gradient(45deg, #000 0%, transparent 0%, transparent 0%);
            mask: linear-gradient(45deg, #000 0%, transparent 0%, transparent 0%);
    }
40.2%{-webkit-mask: linear-gradient(45deg, #000 2%, transparent 2.5%, transparent 2.5%);mask: linear-gradient(45deg, #000 2%, transparent 2.5%, transparent 2.5%);}
40.4%{-webkit-mask: linear-gradient(45deg, #000 4%, transparent 5%, transparent 5%);mask: linear-gradient(45deg, #000 4%, transparent 5%, transparent 5%);}
40.6%{-webkit-mask: linear-gradient(45deg, #000 6%, transparent 7.5%, transparent 7.5%);mask: linear-gradient(45deg, #000 6%, transparent 7.5%, transparent 7.5%);}
40.8%{-webkit-mask: linear-gradient(45deg, #000 8%, transparent 10%, transparent 10%);mask: linear-gradient(45deg, #000 8%, transparent 10%, transparent 10%);}
41.0%{-webkit-mask: linear-gradient(45deg, #000 10%, transparent 12.5%, transparent 12.5%);mask: linear-gradient(45deg, #000 10%, transparent 12.5%, transparent 12.5%);}
41.2%{-webkit-mask: linear-gradient(45deg, #000 12%, transparent 15%, transparent 15%);mask: linear-gradient(45deg, #000 12%, transparent 15%, transparent 15%);}
41.4%{-webkit-mask: linear-gradient(45deg, #000 14%, transparent 17.5%, transparent 17.5%);mask: linear-gradient(45deg, #000 14%, transparent 17.5%, transparent 17.5%);}
41.6%{-webkit-mask: linear-gradient(45deg, #000 16%, transparent 20%, transparent 20%);mask: linear-gradient(45deg, #000 16%, transparent 20%, transparent 20%);}
41.8%{-webkit-mask: linear-gradient(45deg, #000 18%, transparent 22.5%, transparent 22.5%);mask: linear-gradient(45deg, #000 18%, transparent 22.5%, transparent 22.5%);}
42.0%{-webkit-mask: linear-gradient(45deg, #000 20%, transparent 25%, transparent 25%);mask: linear-gradient(45deg, #000 20%, transparent 25%, transparent 25%);}
42.2%{-webkit-mask: linear-gradient(45deg, #000 22%, transparent 27.5%, transparent 27.5%);mask: linear-gradient(45deg, #000 22%, transparent 27.5%, transparent 27.5%);}
42.4%{-webkit-mask: linear-gradient(45deg, #000 24%, transparent 30%, transparent 30%);mask: linear-gradient(45deg, #000 24%, transparent 30%, transparent 30%);}
42.6%{-webkit-mask: linear-gradient(45deg, #000 26%, transparent 32.5%, transparent 32.5%);mask: linear-gradient(45deg, #000 26%, transparent 32.5%, transparent 32.5%);}
42.8%{-webkit-mask: linear-gradient(45deg, #000 28%, transparent 35%, transparent 35%);mask: linear-gradient(45deg, #000 28%, transparent 35%, transparent 35%);}
43.0%{-webkit-mask: linear-gradient(45deg, #000 30%, transparent 37.5%, transparent 37.5%);mask: linear-gradient(45deg, #000 30%, transparent 37.5%, transparent 37.5%);}
43.2%{-webkit-mask: linear-gradient(45deg, #000 32%, transparent 40%, transparent 40%);mask: linear-gradient(45deg, #000 32%, transparent 40%, transparent 40%);}
43.4%{-webkit-mask: linear-gradient(45deg, #000 34%, transparent 42.5%, transparent 42.5%);mask: linear-gradient(45deg, #000 34%, transparent 42.5%, transparent 42.5%);}
43.6%{-webkit-mask: linear-gradient(45deg, #000 36%, transparent 45%, transparent 45%);mask: linear-gradient(45deg, #000 36%, transparent 45%, transparent 45%);}
43.8%{-webkit-mask: linear-gradient(45deg, #000 38%, transparent 47.5%, transparent 47.5%);mask: linear-gradient(45deg, #000 38%, transparent 47.5%, transparent 47.5%);}
44.0%{-webkit-mask: linear-gradient(45deg, #000 40%, transparent 50%, transparent 50%);mask: linear-gradient(45deg, #000 40%, transparent 50%, transparent 50%);}
44.2%{-webkit-mask: linear-gradient(45deg, #000 42%, transparent 52.5%, transparent 52.5%);mask: linear-gradient(45deg, #000 42%, transparent 52.5%, transparent 52.5%);}
44.4%{-webkit-mask: linear-gradient(45deg, #000 44%, transparent 55%, transparent 55%);mask: linear-gradient(45deg, #000 44%, transparent 55%, transparent 55%);}
44.6%{-webkit-mask: linear-gradient(45deg, #000 46%, transparent 57.5%, transparent 57.5%);mask: linear-gradient(45deg, #000 46%, transparent 57.5%, transparent 57.5%);}
44.8%{-webkit-mask: linear-gradient(45deg, #000 48%, transparent 60%, transparent 60%);mask: linear-gradient(45deg, #000 48%, transparent 60%, transparent 60%);}
45.0%{-webkit-mask: linear-gradient(45deg, #000 50%, transparent 62.5%, transparent 62.5%);mask: linear-gradient(45deg, #000 50%, transparent 62.5%, transparent 62.5%);}
45.2%{-webkit-mask: linear-gradient(45deg, #000 52%, transparent 65%, transparent 65%);mask: linear-gradient(45deg, #000 52%, transparent 65%, transparent 65%);}
45.4%{-webkit-mask: linear-gradient(45deg, #000 54%, transparent 67.5%, transparent 67.5%);mask: linear-gradient(45deg, #000 54%, transparent 67.5%, transparent 67.5%);}
45.6%{-webkit-mask: linear-gradient(45deg, #000 56%, transparent 70%, transparent 70%);mask: linear-gradient(45deg, #000 56%, transparent 70%, transparent 70%);}
45.8%{-webkit-mask: linear-gradient(45deg, #000 58%, transparent 72.5%, transparent 72.5%);mask: linear-gradient(45deg, #000 58%, transparent 72.5%, transparent 72.5%);}
46.0%{-webkit-mask: linear-gradient(45deg, #000 60%, transparent 75%, transparent 75%);mask: linear-gradient(45deg, #000 60%, transparent 75%, transparent 75%);}
46.2%{-webkit-mask: linear-gradient(45deg, #000 62%, transparent 77.5%, transparent 77.5%);mask: linear-gradient(45deg, #000 62%, transparent 77.5%, transparent 77.5%);}
46.4%{-webkit-mask: linear-gradient(45deg, #000 64%, transparent 80%, transparent 80%);mask: linear-gradient(45deg, #000 64%, transparent 80%, transparent 80%);}
46.6%{-webkit-mask: linear-gradient(45deg, #000 66%, transparent 82.5%, transparent 82.5%);mask: linear-gradient(45deg, #000 66%, transparent 82.5%, transparent 82.5%);}
46.8%{-webkit-mask: linear-gradient(45deg, #000 68%, transparent 85%, transparent 85%);mask: linear-gradient(45deg, #000 68%, transparent 85%, transparent 85%);}
47.0%{-webkit-mask: linear-gradient(45deg, #000 70%, transparent 87.5%, transparent 87.5%);mask: linear-gradient(45deg, #000 70%, transparent 87.5%, transparent 87.5%);}
47.2%{-webkit-mask: linear-gradient(45deg, #000 72%, transparent 90%, transparent 90%);mask: linear-gradient(45deg, #000 72%, transparent 90%, transparent 90%);}
47.4%{-webkit-mask: linear-gradient(45deg, #000 74%, transparent 92.5%, transparent 92.5%);mask: linear-gradient(45deg, #000 74%, transparent 92.5%, transparent 92.5%);}
47.6%{-webkit-mask: linear-gradient(45deg, #000 76%, transparent 95%, transparent 95%);mask: linear-gradient(45deg, #000 76%, transparent 95%, transparent 95%);}
47.8%{-webkit-mask: linear-gradient(45deg, #000 78%, transparent 97.5%, transparent 97.5%);mask: linear-gradient(45deg, #000 78%, transparent 97.5%, transparent 97.5%);}
48.0%{-webkit-mask: linear-gradient(45deg, #000 80%, transparent 100%, transparent 100%);mask: linear-gradient(45deg, #000 80%, transparent 100%, transparent 100%);}
48.2%{-webkit-mask: linear-gradient(45deg, #000 82%, transparent 102.5%, transparent 102.5%);mask: linear-gradient(45deg, #000 82%, transparent 102.5%, transparent 102.5%);}
48.4%{-webkit-mask: linear-gradient(45deg, #000 84%, transparent 105%, transparent 105%);mask: linear-gradient(45deg, #000 84%, transparent 105%, transparent 105%);}
48.6%{-webkit-mask: linear-gradient(45deg, #000 86%, transparent 107.5%, transparent 107.5%);mask: linear-gradient(45deg, #000 86%, transparent 107.5%, transparent 107.5%);}
48.8%{-webkit-mask: linear-gradient(45deg, #000 88%, transparent 110%, transparent 110%);mask: linear-gradient(45deg, #000 88%, transparent 110%, transparent 110%);}
49.0%{-webkit-mask: linear-gradient(45deg, #000 90%, transparent 112.5%, transparent 112.5%);mask: linear-gradient(45deg, #000 90%, transparent 112.5%, transparent 112.5%);}
49.2%{-webkit-mask: linear-gradient(45deg, #000 92%, transparent 115%, transparent 115%);mask: linear-gradient(45deg, #000 92%, transparent 115%, transparent 115%);}
49.4%{-webkit-mask: linear-gradient(45deg, #000 94%, transparent 117.5%, transparent 117.5%);mask: linear-gradient(45deg, #000 94%, transparent 117.5%, transparent 117.5%);}
49.6%{-webkit-mask: linear-gradient(45deg, #000 96%, transparent 120%, transparent 120%);mask: linear-gradient(45deg, #000 96%, transparent 120%, transparent 120%);}
49.8%{-webkit-mask: linear-gradient(45deg, #000 98%, transparent 122.5%, transparent 122.5%);mask: linear-gradient(45deg, #000 98%, transparent 122.5%, transparent 122.5%);}
50.0%{-webkit-mask: linear-gradient(45deg, #000 100%, transparent 125%, transparent 125%);mask: linear-gradient(45deg, #000 100%, transparent 125%, transparent 125%);}
50.2%{-webkit-mask: linear-gradient(45deg, #000 , #000 100%);}
   	89.8% {
   		background: url(../img/default/bg2.jpg) no-repeat center;
   		background-size: cover;
        -webkit-mask: linear-gradient(225deg, #000 0%, transparent 0%, transparent 0%);
            mask: linear-gradient(225deg, #000 0%, transparent 0%, transparent 0%);
   	}
90.0%{-webkit-mask: linear-gradient(225deg, #000 2%, transparent 2.5%, transparent 2.5%);mask: linear-gradient(225deg, #000 2%, transparent 2.5%, transparent 2.5%);}
90.2%{-webkit-mask: linear-gradient(225deg, #000 4%, transparent 5%, transparent 5%);mask: linear-gradient(225deg, #000 4%, transparent 5%, transparent 5%);}
90.4%{-webkit-mask: linear-gradient(225deg, #000 6%, transparent 7.5%, transparent 7.5%);mask: linear-gradient(225deg, #000 6%, transparent 7.5%, transparent 7.5%);}
90.6%{-webkit-mask: linear-gradient(225deg, #000 8%, transparent 10%, transparent 10%);mask: linear-gradient(225deg, #000 8%, transparent 10%, transparent 10%);}
90.8%{-webkit-mask: linear-gradient(225deg, #000 10%, transparent 12.5%, transparent 12.5%);mask: linear-gradient(225deg, #000 10%, transparent 12.5%, transparent 12.5%);}
91.0%{-webkit-mask: linear-gradient(225deg, #000 12%, transparent 15%, transparent 15%);mask: linear-gradient(225deg, #000 12%, transparent 15%, transparent 15%);}
91.2%{-webkit-mask: linear-gradient(225deg, #000 14%, transparent 17.5%, transparent 17.5%);mask: linear-gradient(225deg, #000 14%, transparent 17.5%, transparent 17.5%);}
91.4%{-webkit-mask: linear-gradient(225deg, #000 16%, transparent 20%, transparent 20%);mask: linear-gradient(225deg, #000 16%, transparent 20%, transparent 20%);}
91.6%{-webkit-mask: linear-gradient(225deg, #000 18%, transparent 22.5%, transparent 22.5%);mask: linear-gradient(225deg, #000 18%, transparent 22.5%, transparent 22.5%);}
91.8%{-webkit-mask: linear-gradient(225deg, #000 20%, transparent 25%, transparent 25%);mask: linear-gradient(225deg, #000 20%, transparent 25%, transparent 25%);}
92.0%{-webkit-mask: linear-gradient(225deg, #000 22%, transparent 27.5%, transparent 27.5%);mask: linear-gradient(225deg, #000 22%, transparent 27.5%, transparent 27.5%);}
92.2%{-webkit-mask: linear-gradient(225deg, #000 24%, transparent 30%, transparent 30%);mask: linear-gradient(225deg, #000 24%, transparent 30%, transparent 30%);}
92.4%{-webkit-mask: linear-gradient(225deg, #000 26%, transparent 32.5%, transparent 32.5%);mask: linear-gradient(225deg, #000 26%, transparent 32.5%, transparent 32.5%);}
92.6%{-webkit-mask: linear-gradient(225deg, #000 28%, transparent 35%, transparent 35%);mask: linear-gradient(225deg, #000 28%, transparent 35%, transparent 35%);}
92.8%{-webkit-mask: linear-gradient(225deg, #000 30%, transparent 37.5%, transparent 37.5%);mask: linear-gradient(225deg, #000 30%, transparent 37.5%, transparent 37.5%);}
93.0%{-webkit-mask: linear-gradient(225deg, #000 32%, transparent 40%, transparent 40%);mask: linear-gradient(225deg, #000 32%, transparent 40%, transparent 40%);}
93.2%{-webkit-mask: linear-gradient(225deg, #000 34%, transparent 42.5%, transparent 42.5%);mask: linear-gradient(225deg, #000 34%, transparent 42.5%, transparent 42.5%);}
93.4%{-webkit-mask: linear-gradient(225deg, #000 36%, transparent 45%, transparent 45%);mask: linear-gradient(225deg, #000 36%, transparent 45%, transparent 45%);}
93.6%{-webkit-mask: linear-gradient(225deg, #000 38%, transparent 47.5%, transparent 47.5%);mask: linear-gradient(225deg, #000 38%, transparent 47.5%, transparent 47.5%);}
93.8%{-webkit-mask: linear-gradient(225deg, #000 40%, transparent 50%, transparent 50%);mask: linear-gradient(225deg, #000 40%, transparent 50%, transparent 50%);}
94.0%{-webkit-mask: linear-gradient(225deg, #000 42%, transparent 52.5%, transparent 52.5%);mask: linear-gradient(225deg, #000 42%, transparent 52.5%, transparent 52.5%);}
94.2%{-webkit-mask: linear-gradient(225deg, #000 44%, transparent 55%, transparent 55%);mask: linear-gradient(225deg, #000 44%, transparent 55%, transparent 55%);}
94.4%{-webkit-mask: linear-gradient(225deg, #000 46%, transparent 57.5%, transparent 57.5%);mask: linear-gradient(225deg, #000 46%, transparent 57.5%, transparent 57.5%);}
94.6%{-webkit-mask: linear-gradient(225deg, #000 48%, transparent 60%, transparent 60%);mask: linear-gradient(225deg, #000 48%, transparent 60%, transparent 60%);}
94.8%{-webkit-mask: linear-gradient(225deg, #000 50%, transparent 62.5%, transparent 62.5%);mask: linear-gradient(225deg, #000 50%, transparent 62.5%, transparent 62.5%);}
95.0%{-webkit-mask: linear-gradient(225deg, #000 52%, transparent 65%, transparent 65%);mask: linear-gradient(225deg, #000 52%, transparent 65%, transparent 65%);}
95.2%{-webkit-mask: linear-gradient(225deg, #000 54%, transparent 67.5%, transparent 67.5%);mask: linear-gradient(225deg, #000 54%, transparent 67.5%, transparent 67.5%);}
95.4%{-webkit-mask: linear-gradient(225deg, #000 56%, transparent 70%, transparent 70%);mask: linear-gradient(225deg, #000 56%, transparent 70%, transparent 70%);}
95.6%{-webkit-mask: linear-gradient(225deg, #000 58%, transparent 72.5%, transparent 72.5%);mask: linear-gradient(225deg, #000 58%, transparent 72.5%, transparent 72.5%);}
95.8%{-webkit-mask: linear-gradient(225deg, #000 60%, transparent 75%, transparent 75%);mask: linear-gradient(225deg, #000 60%, transparent 75%, transparent 75%);}
96.0%{-webkit-mask: linear-gradient(225deg, #000 62%, transparent 77.5%, transparent 77.5%);mask: linear-gradient(225deg, #000 62%, transparent 77.5%, transparent 77.5%);}
96.2%{-webkit-mask: linear-gradient(225deg, #000 64%, transparent 80%, transparent 80%);mask: linear-gradient(225deg, #000 64%, transparent 80%, transparent 80%);}
96.4%{-webkit-mask: linear-gradient(225deg, #000 66%, transparent 82.5%, transparent 82.5%);mask: linear-gradient(225deg, #000 66%, transparent 82.5%, transparent 82.5%);}
96.6%{-webkit-mask: linear-gradient(225deg, #000 68%, transparent 85%, transparent 85%);mask: linear-gradient(225deg, #000 68%, transparent 85%, transparent 85%);}
96.8%{-webkit-mask: linear-gradient(225deg, #000 70%, transparent 87.5%, transparent 87.5%);mask: linear-gradient(225deg, #000 70%, transparent 87.5%, transparent 87.5%);}
97.0%{-webkit-mask: linear-gradient(225deg, #000 72%, transparent 90%, transparent 90%);mask: linear-gradient(225deg, #000 72%, transparent 90%, transparent 90%);}
97.2%{-webkit-mask: linear-gradient(225deg, #000 74%, transparent 92.5%, transparent 92.5%);mask: linear-gradient(225deg, #000 74%, transparent 92.5%, transparent 92.5%);}
97.4%{-webkit-mask: linear-gradient(225deg, #000 76%, transparent 95%, transparent 95%);mask: linear-gradient(225deg, #000 76%, transparent 95%, transparent 95%);}
97.6%{-webkit-mask: linear-gradient(225deg, #000 78%, transparent 97.5%, transparent 97.5%);mask: linear-gradient(225deg, #000 78%, transparent 97.5%, transparent 97.5%);}
97.8%{-webkit-mask: linear-gradient(225deg, #000 80%, transparent 100%, transparent 100%);mask: linear-gradient(225deg, #000 80%, transparent 100%, transparent 100%);}
98.0%{-webkit-mask: linear-gradient(225deg, #000 82%, transparent 102.5%, transparent 102.5%);mask: linear-gradient(225deg, #000 82%, transparent 102.5%, transparent 102.5%);}
98.2%{-webkit-mask: linear-gradient(225deg, #000 84%, transparent 105%, transparent 105%);mask: linear-gradient(225deg, #000 84%, transparent 105%, transparent 105%);}
98.4%{-webkit-mask: linear-gradient(225deg, #000 86%, transparent 107.5%, transparent 107.5%);mask: linear-gradient(225deg, #000 86%, transparent 107.5%, transparent 107.5%);}
98.6%{-webkit-mask: linear-gradient(225deg, #000 88%, transparent 110%, transparent 110%);mask: linear-gradient(225deg, #000 88%, transparent 110%, transparent 110%);}
98.8%{-webkit-mask: linear-gradient(225deg, #000 90%, transparent 112.5%, transparent 112.5%);mask: linear-gradient(225deg, #000 90%, transparent 112.5%, transparent 112.5%);}
99.0%{-webkit-mask: linear-gradient(225deg, #000 92%, transparent 115%, transparent 115%);mask: linear-gradient(225deg, #000 92%, transparent 115%, transparent 115%);}
99.2%{-webkit-mask: linear-gradient(225deg, #000 94%, transparent 117.5%, transparent 117.5%);mask: linear-gradient(225deg, #000 94%, transparent 117.5%, transparent 117.5%);}
99.4%{-webkit-mask: linear-gradient(225deg, #000 96%, transparent 120%, transparent 120%);mask: linear-gradient(225deg, #000 96%, transparent 120%, transparent 120%);}
99.6%{-webkit-mask: linear-gradient(225deg, #000 98%, transparent 122.5%, transparent 122.5%);mask: linear-gradient(225deg, #000 98%, transparent 122.5%, transparent 122.5%);}
99.8%{-webkit-mask: linear-gradient(225deg, #000 100%, transparent 125%, transparent 125%);mask: linear-gradient(225deg, #000 100%, transparent 125%, transparent 125%);}
100% {-webkit-mask: linear-gradient(225deg, #000 , #000 100%);}
}