ul {
    list-style: none;
}

body {
    font-family: "微软雅黑";
}

#nav_ul li {
    width: 129px;
}

.s-nav {
    background-color: #fff;
    margin-bottom: 0;
    position: fixed;
    z-index: 3;
    width: 100%;
}

.s-nav #s-nav {
    padding-top: 15px;
}

.s-nav .container-fluid {
    height: 69px;
}

.s-nav .navbar-brand {
    padding: 0 15px;
}

.s-nav li {
    width: 100px;
}

.s-nav li a {
    text-align: center;
    padding: 15px 20px;
    transition: all 2s;
}

.s-nav li:nth-child(5) {
    width: 112px;
}

.s-nav li:nth-child(6) {
    width: 133px;
}

.s-nav .dropdown-menu {
    min-width: 100px;
}

.animation2 {
    animation-name: animation;
    animation-duration: 2s;
    animation-fill-mode: forwards;
    position: relative;
}

@keyframes animation {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

@media screen and (min-width: 1200px) {
    .phone {
        display: none;
    }
    .container {
        width: 60%;
    }
    .container h2 {
        font-size: 24px;
    }
    .container img {
        width: 100%;
        transition: all 1.5s;
    }
    .container p {
        font-size: 14px;
        line-height: 2;
    }
    .container .line {
        width: 3.5%;
        height: 2px;
        background-color: #918f8f;
    }
    .container .toL:hover img {
        transform: scale(1.05);
    }
    .News-choose {
        width: 100%;
        height: 65px;
        margin-top: 3%;
        border: 1px solid #F3F3F3;
        margin-bottom: 200px;
    }
    .News-choose div {
        width: 55%;
        height: 65px;
        margin: 0 auto;
    }
    .News-choose div a {
        color: #6E6D6D;
        line-height: 65px;
        padding: 0 25px;
        font-size: 14px;
        display: block;
        height: 65px;
        float: left;
        position: relative;
    }
    .News-choose div a:hover {
        text-decoration: none;
    }
    .News-choose div a img {
        position: absolute;
        top: 30px;
        left: 20px;
    }
    .News-choose div a img:nth-child(2) {
        display: block;
    }
    .News-choose div a img:nth-child(1) {
        display: none;
    }
    .News-choose div a:nth-child(2) {
        border-right: 1px solid #F5F5F5;
        border-left: 1px solid #F5F5F5;
        padding-left: 40px;
    }
    .News-choose div a:hover {
        color: red;
    }
    .News-choose div a:hover img:nth-child(1) {
        display: block;
    }
    .News-choose div a:hover img:nth-child(2) {
        display: none;
    }
}

@media screen and (max-width: 768px) {
    .pc {
        display: none;
    }
}