*{transition:color 0.2s linear,background-color 0.2s linear,opacity 0.2s linear,border-color .2s linear,opacity 0.2s linear;-webkit-transition:all .5s; }
html,body,ul,li,ol,dl,dd,dt,p,h1,h2,h3,h4,h5,h6,form,input,button,fieldset, legend,img { margin:0; padding:0; }
h1,h2,h3,h4,h5,h6{ 
    font-size:14px; /*font-weight:normal;*/
    }
fieldset,img{ border:none; }
em{ font-style:normal;}
ul,ol{list-style:none; }
a{text-decoration:none; color: #333;}
a:hover{}
.clearfix:after{ content:""; display:block; clear:both;}
.clearfix{ zoom:1;}
.fl{ float:left;}
.fr{ float:right;}
i{ font-style: normal;}
html{font:16px/1.2 微软雅黑,Arial；}
@font-face {
    font-family: 'iconfont';
    src: url('../font/iconfont.ttf?t=1745810154319') format('truetype');
  }
  .iconfont {
    font-family: "iconfont" !important;
    font-style: normal;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
  .f20{ font-size: 20px; position: relative; top:2px;}

/* main样式开始 */
.main{display: flex;}
header{
    width: 100%;
    height: 6rem;
    z-index: 12;
    left: 0;
    top: 0;
    background-color:rgba(0, 0, 0, 0.60);
    padding: 0 5%;
    box-sizing: border-box;
}
header h1{
    width: 166px;
    height:100%;
    background: url('../images/logo.png') no-repeat left center;
    text-indent: -9999px;
}
header nav{
    width: 70rem;
    line-height: 6rem;
}
header nav li{
    float: left;
    opacity: 0;
    transform: translateY(-20px);
}
header nav li a{ padding: 0 2.5rem;color:#ccc; display: block;}
header nav li a:hover{ color:#fff;}
header nav li a.current{font-weight: bold; color: #fff;}

/* 汉堡菜单按钮样式，默认隐藏 */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

/* 汉堡菜单按钮的横线样式 */
.hamburger span {
    width: 30px;
    height: 3px;
    background-color: white;
    margin: 3px 0;
    transition: 0.4s;
}

.minor{ color: #ccc;cursor: pointer;}
.minor a{ padding: 0 0.5rem;color:#ccc;cursor: pointer;}

header video{}
.slogan{ 
    position:absolute;
    z-index: 3;
    left: 10%;
    bottom:30%;
    transition: all 0.3s ease-in-out;
    }
.slogan strong,.slogan em{ 
    display:block; 
    text-transform: uppercase;
    color: #fff;

    }
.slogan strong{font-size:4rem; text-shadow: 2px 2px 2px black;}
.slogan em{font-size:2.65rem; 
    line-height:5rem;
    font-weight: bold; 
    color:rgba(255, 255, 255, 0.5);}
/* main样式结束 */


/* 伊思耐产品样式开始 */
.products,.news{
    padding: 60px 0;
}
.products h2,.news h2{
    font-size: 37px;
    text-align: center;
    color:#e60d2e;
}
.products h2 span,.news h2 span{ 
    display: block;
    font-size: 33px;
    color: #d9d9d9;
    text-shadow: 1px 1px 1px #999;
    line-height: 60px;
}
.products ul{text-align: center; padding: 30px;}
.products li{
    margin: 10px;
    display: inline-block;
    width: 390px;
    height: 200px;
    line-height: 50px;
}
.products li a span{
    display: block;
    border: 1px solid #f0f0f0;
    background-color: #f7f7f7;
}
.products li a:hover span{ 
    background-color: #fff5f7; 
    border: 1px solid #f4dcdc;
    box-shadow: 4px 4px 4px #f8e6e6;
}
/* 伊思耐产品样式开始 */

/* 宣传片视频开始 */
.publicityVideo{
    height:585px;
    background: url(../images/publicityVideo-bg.jpg) no-repeat center;
}
.sp{
    text-align: center;
}
.sp a{ 
    position: relative; 
    display:inline-block;
    margin:70px 50px;
}
.sp a i{ 
    width: 67px; 
    height: 67px; 
    position: absolute;
    background: url(../images/sp-btn.png) no-repeat center;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
}
.sp img{}
.motto{ color: #fff; text-align: center;}
.motto strong{ font-size:35px; display: block;}
.motto em{ font-size: 18px; line-height: 80px;display: block; margin-bottom: 30px;}
.motto a{ color: #fff; border: 1px solid #fff; padding: 15px 100px;}
/* .motto a:hover{ background-color: #f0f0f0; color: #e60d2e;} */
.video-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: black;
    z-index: 1000;
}

.close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 30px;
    color: white;
    cursor: pointer;
    z-index: 1001; /* 确保关闭按钮在最上层 */
}

video {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
/* 宣传片视频结束 */

/* 新闻资讯开始 */
.roll{
    width: 1200px;
    margin:50px auto;
    position: relative;
    overflow: hidden;
}
.rImg{
    width: 567px;
    height: 350px;
    overflow: hidden;
    float: left;
}
.rImg img{ 
    width: 567px;
    height: 350px;
    position: absolute;
    padding: 4px;
    border: 1px solid #ccc;
    }
.rNum{
    width: 600px;
    float: right;
}
.rNum h3{ font-size: 16px; font-weight: normal;}
.rNum i,.rNum  p{
    font-size: 14px;
    line-height: 20px;
    color: #999;
}
.rNum i{ line-height: 30px;}
.rNum  p{ text-align: justify;}
.rNum li{ margin-bottom: 18px;}
.rNum li.current h3{ color:#e60d2e; font-weight: bold;}
.rNum li.current p{ color: #e37b7b;}
.rNum li.current i{ color:#e60d2e;}
.more{ 
    display: block; 
    text-align: center; 
    border: 1px solid #ccc;
    margin: 20px auto;
    width: 290px;height: 54px; 
    line-height: 54px;
    color: #666;}
.more:hover,.motto a:hover{ 
    background:#fff5f7;
    border: 1px solid #f4dcdc;
    box-shadow: 4px 4px 4px #f8e6e6;
    color:#e60d2e;
}
.motto a:hover{    box-shadow: none;}
/* 新闻资讯结束 */

/* 底部版权开始 */
footer{ 
    background-color: #1a1a1a;
    padding: 40px 0 0 0;
}
.follow{
    width: 1200px;
    margin: 0 auto;
    color: #fff;
    border-bottom: 1px solid #575757;
    padding-bottom: 40px;
}
.follow a{ font-size: 30px; margin-right:10px; color: #fff;}
.footInfo{
    width: 1200px;
    margin: 0 auto;
    padding: 40px 0;
}
.footInfo img{
    float: left;
}
.footInfo ul{}
.footInfo li{
    width: 198px;
    float: left;
}
.footInfo li a{display: block; color: #ccc; line-height:40px; font-size: 14px;}
.footInfo .first{
    font-weight: bold;font-size: 16px;
}
.footInfo p{
    font-size: 14px;
    line-height: 25px;
    color: #999;
    background: url(../images/code.jpg) no-repeat right bottom;
}
.footInfo strong{ font-size: 18px; color: #fff; font-weight: normal;}
.copyright{
    height: 88px;
    line-height: 88px;
    text-align: center;
    background-color: #070707;
    color: #666;
    font-size: 14px;
}
/* 底部版权开始 */