*{margin: 0;padding: 0;}
html,body{margin: 0 !important;padding: 0 !important;width: 100%;background: #F7F5F4;color: #333;overflow-x: hidden;font-size:13px; font-family: microsoft yahei;}
ul{list-style: none;margin: 0;padding: 0;}
a{text-decoration: none;cursor: pointer;color: #FFFFFF}
a:hover{text-decoration: underline}
.show{display: block !important;}
.hide{display: none !important;}
/* webkit, opera, IE9 */
::selection { background:#009999; color:white;}
/* mozilla firefox */
::-moz-selection { background:#009999;color:white; }

header{width: 100%;background: transparent;height: 100px;position: fixed;top: 0;z-index: 99;font-size: 16px;}

.top{height: 100%;}

header .logo{float: left;margin-top: 20px;height: 50px;width: 360px;margin-left: 60px}
header .logo img{height: 100%;}
header .logo > div.calendar{margin: 0;color: #17559E;position: absolute;top: 50%;right: 20px;margin-top: -54px;}
header .menu{height: 100%;margin-left: 450px}
header .menu li{float: left;height: 100%;display: table;position: relative;}
header .menu li > a{text-decoration: none;display: table-cell;vertical-align: middle;padding: 0 22px;font-family: "microsoft yahei"}
header .menu li > a + .submenu{display: none;background: #17559E;color: #fff;position: absolute;top:100%;left: 0;z-index: 999;}
header .menu li > a + .submenu a{text-decoration: none;border-bottom: 1px dotted #06C;padding: 0 18px;line-height: 35px;text-align: left;color: #fff;display: inline-block;width: calc(100% - 36px);white-space: nowrap;}
header .menu li.hover > a{color: #FFFFFF;}
header .menu li > a + .submenu a:hover{background: #06C;}
header .menu {
    list-style: none;
    padding: 0;
    display: flex;
}

header .menu li {
    position: relative;
    cursor: pointer;
}

/* 初始状态：横条宽度为 0，透明 */
header .menu li::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #3498db; /* 横条颜色 */
    transition: width 0.3s ease; /* 动画效果 */
}

/* 悬停时：横条宽度变为 100% */
header .menu li:hover::after {
    width: 100%;
}
header .scrolled{
    background: #fff;
}
header .head_ph{
    color: #FFFFFF;
    width: 130px;
    position: absolute;
    right: 20px;
    height: 28px;
    top: 32px;
    margin-left: 10px;
    z-index: 10;
    background: rgb(45, 111, 151);
    border-radius: 30px;
    padding-left: 20px;
    padding-top: 8px;
}
section{min-height:550px;overflow: hidden;background-color: #FFFFFF}
footer{width: 100%;background-repeat: no-repeat;background-position: center;background-size: cover;  text-align: center;color: #fff;font-size: 14px;padding-top:50px;height: 427px}
.below_menus {overflow: auto;padding-left:20px; max-width: 1440px; margin: 0px auto;}
.below_menus ul li a {text-decoration: none;}
footer ul{
    margin: 30px 20px 30px 20px;
    font-weight: bold;
}
footer ul li{
    float: left;
    margin-right: 55px;
    text-align: left;
}
footer ul li a{
    font-size: 18px;
    color: #333;
    text-align: left;
}
footer ul li div{
    color: #333;
    padding-top: 20px;
    text-align: left;
}
footer ul li div a{
    font-size: 14px;
    font-weight: normal;
}
.below_Copyright {
    font-size: 14px;
    color: #333;
    padding-top: 30px;
    margin-top: 30px;
    border-top: 1px solid black;
}

/*悬浮窗样式*/
.qq{position: relative;z-index: 999;}
.qq #qqclose {
    position: absolute;
    bottom: 60px;
    right: 5px;
    width: 50px;
    height: 24px;
    line-height: 24px;
    text-align: center;
    color: #fff;
    border-radius: 5px;
    cursor: pointer;
}


@-webkit-keyframes float-down{
    0% {
        bottom:100%;
    }
    100% {
        bottom: 30%;
    }
}

@-webkit-keyframes fadeIn {
    0% {
        opacity: 0;
    }
    20% {
        opacity: 0.2;
    }
    40% {
        opacity: 0.4;
    }
    60% {
        opacity: 0.6;
    }
    80% {
        opacity: 0.8;
    }
    100% {
        opacity: 1;
    }
}

@-webkit-keyframes fadeOut {
    0% {
        opacity: 1; /*初始状态 透明度为1*/
    }
    50% {
        opacity: 0; /*中间状态 透明度为0*/
    }
    100% {
        opacity: 0; /*结尾状态 透明度为0*/
        display: none;
    }
}