body{
    margin: 0;
    min-width: 1400px; 
    padding: 0  ;
}
* {
    box-sizing: border-box;
    text-decoration: none;
    list-style: none;
}
nav {
    position: fixed;
    z-index: 4;
    padding: 0;
    background-color: #A11F1F;
    min-height: clamp(50px, 8vh, 70px); 
    /* box-shadow: 0 1px 2px #b7b3ab; */
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 clamp(10px, 3%, 30px); 
    width: 100%;
    transition: background-color 0.3s;
}
.nav-transparent {
    background-color: rgba(161, 31, 31, 0.8); /* 半透明 */
    transition: background-color 0.3s;
}
.navbar-logo {
    height: 100%;
    display: flex;
    align-items: center;
}
html {
    font-size: min(max(14px, 1.8vw), 18px);
}
.navbar-logo img {
    height: clamp(24px, 3.5vw, 40px);
    width: auto;
    max-width: 100%;
}
.navbar-menu {
    display: flex;
    height: 100%;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: nowrap; 
    gap: 0.5vw; 
    margin: 0;
}
.navbar-item-shici,
.navbar-item {
    min-width: max(70px, 6vw); 
    padding: 0 clamp(8px, 0.8vw, 16px); 
    line-height: clamp(40px, 6vh, 60px);
    text-align: center;
    position: relative;
    white-space: nowrap;
}
.navbar-item-shici a,
.navbar-item a {
    font-size: clamp(0.8rem, 1.1vw, 1rem); 
    color: #ffffff;
    display: block;
    height: 100%;
    transition: all 0.3s ease;
}
.navbar-item-shici a {
    font-weight: bold;
    border-bottom: 2px solid #ffffff;
}
.navbar-item-shici a:hover,
.navbar-item a:hover {
    background-color: rgba(192, 192, 193, 0.3);
}
main{
    position: relative;
    width: 100%;
    /* height: 2160px; */
    margin: auto;
}
.diyiye{
    position: relative;
    /* background-color: #d4d4d4; */
    width: 80%;
    height: 100vh;
    margin: auto;
    /* left: 0%; */
}
.shici1{
    position: absolute;
    background-color: rgba(161, 31, 31, 1);
    width: 35%;
    height: 8%;
    left: 35%;
    top: 10%;
    align-items: center;
}
.timu{
    text-align: center;
    font-size: 18px;
    color: #fff;
}
.yuanwen{
    position: absolute;
    top: 23%;
    padding: 0 100px;
}
.yiwen{
    position: absolute;
    width: 100%;
    height: 50%;
    top: 48%;
    background-color: rgb(255, 255, 255);
    box-shadow: 0px 2px 10px  rgba(0, 0, 0, 0.15);
}
.biaoti1{
    text-align: center;
    margin-top: 20px;
}
.neirong1{
    text-align: center;
    margin-top: 40px;
    padding: 0 100px;
    font-style: 16px;
}
.dierye{
    /* background-color: #b0b0b0; */
    position: relative;
    width: 80%;
    height: 100vh;
    margin: auto;
    /* left: 10%; */
    /* top: 0%; */
}
.biaoti2{
    text-align: center;
    padding-top: 100px;
}
.neirong2{
    text-align: center;
    margin-top: 50px;
    padding: 0 100px;
    font-style: 16px;
}
.shangxitu{
    position: absolute;
    width: 100%;
    height: auto;
    top: 55%;
    box-shadow: 0px 2px 10px  rgba(0, 0, 0, 0.25);
}
.banwei{
    background-color: #333;
    height: 30vh;
    width: 100%;
    bottom: -14%;
    z-index: 3;
    position: absolute;z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px; /* 元素之间的间距 */
}
.gongan-icon {
    vertical-align: middle;
    width: 20px;
    height: 20px;
    margin-right: 6px;
}
.banwei a ,.banwei p{
    color: #ffffff;
    font-size: 14px;
    margin: 0;
}