abstract：*{margin: 0px; padding: 0px;}li{list-style:none;}a{text-decoration: none;color: #ccc;cursor: pointer;}.clear{clear: both;}/*头部样式*/.header{background: #333;width: 100%;height: 40px;}.menu{width: 1226px
*{margin: 0px; padding: 0px;}
li{list-style:none;}
a{text-decoration: none;color: #ccc;cursor: pointer;}
.clear{clear: both;}
/*头部样式*/
.header{background: #333;width: 100%;height: 40px;}
.menu{width: 1226px;height: 40px;margin: 0px auto;line-height: 40px;font-size: 12px;}
.header_left{float: left;}
.header_left li{float: left;}
.header_left li a:hover{color: #fff;}
.header_left li span{margin: 0px 10px;color: #6c6d69;}
.header_right{float: right;}
.header_right li{float: left;}
.header_right li span{margin: 0px 5px;color: #6c6d69;}
.header_right_li{width: 120px;height: 40px;text-align: center;background:#424242;color: #aaa;position: relative;margin-left: 10px; }
.header_right li a[href="#"]:hover{color: #fff;}
.header_right_li div{width: 300px;height: 90px;background: #fff;color: #ccc;position: absolute;right: 0px;display: none;z-index: 2;}
.header_right_li:hover div{display: block;}
.header_right_li:hover{background: #fff;}
.header_right_li:hover a{color: #ff6a00;}
/*主体部分样式*/
.content{width: 1226px;margin: 0px auto;}
/*导航条*/
.contentMenu{height:66px;margin: 10px auto;}
.contentMenu_pic,.contentMenu_ul{float: left;}
.contentMenu_ul{line-height: 66px;height: 66px;margin-left: 15px;}
.contentMenu_ul li{float: left; margin-right: 10px;font-size: 17px;}
.contentMenu_form{float: right;width: 314px;height: 63px;padding: 6px 0px;position: relative;}
.contentMenu_form input[type="text"]{width: 238px;height: 50px;float: left;border-left:1px solid #ccc;border-top:1px solid #ccc;border-bottom:1px solid #ccc;padding-left: 10px; }
.botton{border: 1px solid #ccc;width: 60px;height: 50px;float: left;}
.botton i{font-size: 21px;color: #424242;position: absolute;top: 20px;right: 27px;}
.contentMenu_form_a{ width: 110px;position: absolute;top:20px;right: 75px; }
.contentMenu_form_a a{color: #aaa;width: 50px;font-size: 12px;background: #ebebeb;padding: 3px;}
.contentMenu_form a:hover{background: #ff6700;color: #fff;}
.botton:hover{background:#ff6700; width: 62px;height: 52px;border:none; }
.botton:hover i{color: #fff;}
/*
下拉框*/
.MI_phone{width: 100%;height: 230px;background: #fff;border-top: 1px solid #ccc;border-bottom:1px solid #ccc;position: absolute;left: 0px;top:126px;display: none;z-index: 2; }
.MI_phoneDiv{width: 1226px;height: 230px;margin:0px auto;}
.MI_phone1{width: 161px;height: 230px;text-align: center;position: relative;float: left;}
.MI_phone1 a{font-size: 12px;color: #ccc;}
.MI_phone1_shop{width: 120px;height: 160px;line-height:30px;margin-top: 30px;}
.new{width: 60px;height: 18px;font-size: 12px;border: 1px solid #ff6700;color: #ff6700;line-height: 18px;text-align: center;position: absolute;left: 25px;}
.MI_phoneDiv span{width: 0px;border-right: 1px solid #ccc;float: left;height: 80px;margin-top: 30px;margin-right: 45px;}
.contentMenu_ul li:hover .MI_phone{display: block;}
.contentPic{margin: 10px auto;}
/*侧边导航*/
.contentPic_l{width: 246px;height: 460px;background: #424242;float: left;position: relative;}
.content_pic_ul{width: 246px;height: 440px; margin: 30px 0px;}
.content_pic_ul li{width: 236px;height:40px;line-height: 40px;font-size: 15px;padding-left:10px; }
.content_pic_ul li a{color: #fff;}
.content_pic_ul li i{font-size: 15px;font-weight: bold;float: right;margin-top: 13px;margin-right: 20px;color: #fff;}
.content_pic_ul li:hover{background: #ff6700;}
/*下拉*/
.contentPic_l_menu{width: 800px;height: 460px;background: #fff;position: absolute;top:0px;left: 246px;display: none;z-index: 5;}
.content_pic_ul li:hover .contentPic_l_menu{display: block;}
.contentPic_l_menu div{width: 230px;height: 70px;margin-right:10px;float: left; padding-left: 20px;}
.contentPic_l_menu div img{width: 40px;height: 40px;margin: 15px 0px;float: left; }
.contentPic_l_menu div a{color: #424242;float: left;margin-top: 15px;}
.contentPic_l_menu div:hover a{color:#ff6700;}
/*轮播图*/
.contentPic_r{width: 980px;height: 460px;float: left}
.contentPic_ul{height: 180px;margin: 10px auto;}
.contentPic_ul_1{width: 235px;background:#5F5750;height: 170px;margin-right: 13px;float: left; }
.contentPic_ul_0{width: 317px;height: 170px;float: left;}
.contentPic_ul_1 ul{padding: 20px 10px;}
.contentPic_ul_1 ul li{float: left;color: #ccc;font-size: 15px;line-height: 40px;text-align: center;width:60px}
.contentPic_ul_1 ul li span{display: block;}
/*小米闪购*/
.contentShop{height:340px;margin: 10px auto;}
.contentShop h2{font-size: 22px;font-weight: 400;}
.contentShop_1{width:235px;height:340px; background:#fff;float: left; color: #333;text-align: center;padding-top: 40px;position: relative;}
.contentShop_1 div{width: 100%;text-align: center;}
.contentShop_1 .time{font-size: 24px;color: #ef3a3b;}
.contentShop_1 .flash{height: 64px;margin:25px 0px;}
.contentShop_1 .detail{line-height: 22px;color: #ccc;font-size: 15px;}
.contentShop_1 .clock{color: #605751;font-size: 24px;line-height: 46px;margin-top: 30px;}
.hour,.minute,.second {display:inline-block;background:#605751;width: 46px;height: 46px;color: #fff; }
.contentShop_1 .picshopImg{width: 160px;height: 160px;margin:0px 38px 22px;}
.contentShop_1 .picshopTitle{font-size: 14px; font-weight: 300;}
.picshopDesc{font-size: 12px;color: #aaa;margin: 10px 0;}
.picshopPrice{font-size: 13px;color: #aaa;}
.contentShop_1 .bg{background: rgba(0,0,0,0.02);width: 100%;height: 100%;position: absolute;top: 0;left: 0px;}
.contentImg{background: #ccc;height:100px;margin: 10px auto;}
.contentUL{height:60px;margin: 10px auto;line-height: 60px;}
.contentUL h2{font-size: 22px;font-weight: 400;float: left;}
.contentUL .tab{float: right;margin-right: 10px;}
.contentUL .tab span{display:block;width: 20px;height: 20px;background: #ccc;border-radius: 10px;line-height: 20px ;text-align: center;float: right;margin-top: 20px;color: #fff;margin-left: 10px;}
.contentUL .tab ul{height: 30px;margin:15px 0px;}
.contentUL .tab ul li{float: left;margin-left: 15px;height: 30px;line-height: 30px;}
.contentUL .tab ul li:hover{color: #ff6700;border-bottom: 2px solid #ff6700;}
.contentPhone{height:614px;margin: 10px auto;}
.contentPhone_l{height: 614px;width:234px;background: url(../images/buy/手机AD.jpg);float: left;margin-right: 12px; }
.contentPhone_r{height: 614px;width: 980px;float: left;}
.contentPhone_r div{height:300px;width: 235px;background: #fff;float: left;text-align: center;position: relative;}
.bottomImg{width: 160px;height: 160px;margin: 20px 37px 18px;}
.bottomTitle{font-size: 14px;margin: 3px 0;font-weight: 300;}
.bottomDesc{font-size: 12px;color: #aaa;margin: 10px 0 15px;}
.bottomPrice{font-size: 13px;}
.bottomFlagRed{width: 64px;height: 18px;line-height: 18px;font-size: 12px;background: red;text-align: center;position: absolute;left:90px; color: #fff;}
.contentPhone_0,.contentPhone_1{height:300px;width: 235px;background: #fff;float: left;text-align: center;position: relative;}
.contentPhone_2{float: left;}
.contentPhone_1_t,.contentPhone_1_d{height:145px;width: 235px;background: #ccc;}
.contentPhone_1_d{margin-top: 10px;}
.bottomDiscuss{width: 174px;height:40px;padding: 8px 30px;background: #ff6700;color: #fff;position: absolute;font-size: 12px;top: 245px;display: none;}
.contentPhone_1:hover .bottomDiscuss{display: block; -webkit-animation: upmove 1s ease; -o-animation: upmove 1s ease; animation: upmove 1s ease;
}
@keyframes upmove { from { top: 265px; opacity: 0; } to { top: 245px;opacity: 1; } }
/*网页底部*/
.footer{width: 1226px;height: 100px;margin: 10px auto;}
.footer-top_li_1{width: 1226px;height: 80px;line-height: 80px;text-align: center;}
.footer-top_li_1 a{font-size: 16px;color:#616161;font-weight: 300;}
.footer-top_li_1 a:hover{color: #ff6700;}
.footer-top_li_1 a i{font-size: 20px;margin-right: 10px;}
.footer-top_li_1 span{font-size: 20px;color:#616161;border-left: 1px solid #e0e0e0;margin:0px 56px;}
.separate{width: 1226px;border-bottom:1px solid #e0e0e0;display: block; }
.footer-top_li_2{width: 1226px;height: 100px;margin: 40px 0px;}
.footer-top_li_a dl{float: left;display: block;width: 160px;}
.footer-top_li_a dt{font-size: 14px;line-height: 14px;color: #424242;margin-bottom: 26px;}
.footer-top_li_a dd{font-size: 12px;line-height: 18px;color: #424242;margin-top: 10px;}
.footer-top_li_a dd a{color: #757575;}
.footer-top_li_a dd a:hover{color: #ff6700;}
.footer-top_li_a .connect{width: 258px ;height: 112px;border-left: 1px solid #e0e0e0;float: right;text-align: center;}
.footer-top_li_a .connect .telephone{color:#ff6700;margin: 0px 5px; font-size: 22px;line-height: 22px;}
.footer-top_li_a .connect .time{color:#616161;margin: 0px 16px;font-size: 12px; }
.footer-top_li_a .connect button {width: 118px;height: 28px;font-size: 12px;line-height:28px;border: 1px solid #ff6700;color:#ff6700;background: #fff;margin-top: 20px; }
.footer-top_li_a .connect button:hover{background:#ff6700;color: #fff; }
.footer-bottom_li_1,.footer-bottom_li_2,.footer-bottom_li_3{float: left;}
.footer-bottom_li_4{clear: left;margin-top: 15px;text-align: center;font-family:"楷体";font-size: 24px;color: #ccc;}
.footer-bottom_li_a{height: 19px;width: 640px;}
.footer-bottom_li_a li{height: 19px;font-size: 12px;float: left;color: #757575;}
.footer-bottom_li_a li span{height:8px;color: #757575;border-left: 1px solid #b0b0b0;margin: 3px 3px;}
.footer-bottom_li_b a:hover{color: #ef3a3b;}
.footer-bottom_li_b{width: 640px;color: #b0b0b0;font-size: 12px;}
.footer-bottom_li_3 img{width: 83px;float: left;}
Correcting teacher：天蓬老师Correction time：2019-08-15 10:44:00
Teacher's summary：*{margin: 0px; padding: 0px;}, 这种写法不规范, 也不推荐, 想想为什么?