body {
    background-color: rgba(255, 255, 255, 0) !important;

}

.container {
    padding: 0;
    background-color: rgba(255, 255, 255, 0.1) !important;
}

header {
    position: relative;
    height: 500px;
    background: url(../images/22.png) no-repeat no-repeat;
    background-size: 100% 100%;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: white;
    /* background-color: red; */
    line-height: 60px;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    margin-left: 80px;
}

.nav_title {
    display: flex;
    width: 30%;
    justify-content: space-around;
    margin-right: 50px;
}

.nav_title li {
    width: 25%;
}

.nav_title li a {
    color: white;
}

.nav_title li:hover {
    background-color: rgb(230, 227, 227);
    color: black;
}

h2 {
    letter-spacing: 3px;
    margin: 100px 0 20px;
}

h2,
h5 {
    color: white;
}

.guide {
    width: 40%;
    height: 300px;
    margin: 0 auto;
    margin-top: 13%;
    /* background-color: red; */
}

.guide ul {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.guide ul li {
    background-color: white;
    box-shadow: 1px 1px rgb(223, 221, 221);
    width: 32%;
    border-radius: 6px;
    padding: 50px;
    box-sizing: border-box;
    height: 280px;
}

ul {
    box-shadow:1px 1px 10px 5px #c0bdbd;
}
h1 {
    text-shadow:2px 2px  5px #c0bdbd;
}

.guide ul li h3 {
    letter-spacing: 3px;
    margin-top: 60px;
    margin-bottom: 20px;
}

.tri5 {
    position: absolute;
    top: 20%;
    width: 0;
    height: 0;
    border-color: white transparent;
    /*上下颜色 左右颜色*/
    border-width: 0 200px 400px 0;
    border-style: solid;
}

.tri6 {
    position: absolute;
    top: 20%;
    right: 0;
    width: 0;
    height: 0;
    border-color: transparent white;
    /*上下颜色 左右颜色*/
    border-width: 400px 200px 0 0;
    border-style: solid;
}

.contnet {
    width: 60%;
    margin: 0 auto;
    margin-top: 300px;
}

.contnet ul {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.contnet ul li {
    width: 25%;
    height: 200px;
    background-color: white;
    box-shadow:
        inset 0 -3em 3em rgba(0, 0, 0, 0.1),
        0 0 0 2px rgb(255, 255, 255),
        0.3em 0.3em 1em rgba(0, 0, 0, 0.3);
}

.contnet ul li h3 {
    line-height: 70px;
}

.contnet ul li p {
    padding: 0 10px;
    box-sizing: border-box;
    color: gray;
    text-align: left;
    font-size: 14px;
}

.jina{
    margin-bottom: 30px;
}

.jina p{
    /* margin-top: 20px; */
    text-align: left;
    text-indent: 2em;
    line-height: 30px;
    font-size: 22px;
}
h1{
    margin-bottom: 30px;
    margin-top: 50px;
}
.contnet img{
    width: 100%;
}
p h6 {
    font-family: Arial, Helvetica, sans-serif;
}