body,
div,
ul,
li,
h1,
h2,
h3,
h4,
h5,
h6,
p,
dl,
dt,
dd,
ol,
form,
input,
textarea,
th,
td,
select {
    margin: 0;
    padding: 0;
}

* {
    box-sizing: border-box;
}

table {
    border-collapse: collapse;
}

html{
    width: 100%;
}
body {
    font-family: "Microsoft YaHei";
    height: 100%;
}
.container{
    display: flex;
    flex-direction: column;
}

ul,
li {
    list-style: none;
}

a {
    text-decoration: none!important;
    color: #333;
    display: block;
    font-size: 16px;
}

img {
    vertical-align: middle;
    width: 100%;
}

input,
textarea {
    outline: none;
    box-shadow: none;
}

textarea {
    resize: none;
    overflow: auto;
}

.clearfix {
    zoom: 1;
}

.clearfix:after {
    content: ".";
    width: 0;
    height: 0;
    visibility: hidden;
    display: block;
    clear: both;
}

.fl {
    float: left
}

.fr {
    float: right
}

.tl {
    text-align: left;
}

.tc {
    text-align: center
}

.tr {
    text-align: right;
}

.ellipse {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.w {
    width: 1440px;
    margin: 0 auto;
}
.w1 {
    width: 95%;
    margin: 0 auto;
}
nav {
    text-align: center;
}

.f15 {
    font-size: 15px;
}

.f16 {
    font-size: 16px;
}

.f17 {
    font-size: 17px;
}

.f18 {
    font-size: 18px;
}

.overflow1 {
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
}

.overflow2 {
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.overflow3 {
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}
.overflow4 {
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
}
.overflow9 {
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 9;
    -webkit-box-orient: vertical;
}

::-webkit-scrollbar {
    display: none;
}

.item {
    width: 100%;
    position: absolute;
    top: 8vh;
    z-index: 999;
    background: #fff;
    box-shadow: 0px 2px 10px #ccc;
    max-height: 8rem;
    overflow-y: scroll;
    left: 0;
}

.item>ul>li {
    line-height: 0.8rem;
    padding: 0 0.5rem;
    box-sizing: border-box;
    /* border-bottom: 1px dashed #eee; */
    font-size: 0.28rem;
}

.item>ul>li>p.fr {
    color: #f7af25;
}

.item .oneitems {
    border-bottom: 1px dashed #eee;
}

.item .twoitems {
    width: 100%;
    padding-left: 0.5rem;
    box-sizing: border-box;
}

.item .twoitems ul li .threeitems {
    border-bottom: 1px dashed #eee;
}

.item .twoitems ul li .threeitems a {
    color: #777;
}

.item a {
    width: 90%;
}

.item .four a {
    width: 100%;
}

.item .twoitems ul li .four {
    padding-left: 0.5rem;
    box-sizing: border-box;
}

.item .twoitems ul li .four ul li a {
    border-bottom: 1px dashed #eee;
    color: #999;
}

.item>ul>li img{
    width: 0.5rem;
    height: 0.5rem;
    margin-top: 0.15rem;
}