body {
    font-family: Arial, sans-serif;
    margin: 0;
    font-size: 16px;
    background-color: #ffffff;
}
.ziliao{
    background: url(./bg.jpg) no-repeat 100%;
    background-size: 100% 100%;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}
.ziliao-type{
    background-color: transparent;
    height: 79.5%;
    position: absolute;
    top: 17.2%;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 31px;
    padding: 40px 0 0 0;
    overflow-y: scroll;
    overflow-x: hidden;
    -ms-overflow-style: none;
    scrollbar-width: none;
    width: 100%;

}
.ziliao-type::-webkit-scrollbar {
    display: none;  /* Chrome, Safari和Opera */
}
.ziliao-type .row{
    padding: 0 40px;
}
.ziliao-type .ziliao{
    margin-left: 10px;
    margin-right: 10px;
}
.jiazi{
    height: 154px;
    background: url(./jiazi.png) no-repeat center;
    background-size: 79%;
    margin: -80px -44px 35px -44px;

}
.pdf-card {

}
.pdf-card img{
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
    display: block;
    width: 100%;
    opacity: 1;
}
.pdf-card h3{
    display: none;
}
.pdf-card p{
    padding: 0 10px;
}
.pdf-card em{
    font-style: initial;
    position: relative;
    padding-left: 30px;
    width: 50%;
    display: inline-block;
    font-size: 14px;
    color: #545861;
}
.pdf-card em:nth-child(1):before{
    position: absolute;
    content:"";
    width: 18px;
    height: 18px;
    left: 0;
    background-image: url("./img/browse.png") ;
    background-size: 100%;
}
*, *::before, *::after {
    box-sizing: border-box;
}
.row {
    --bs-gutter-x: 1.5rem;
    --bs-gutter-y: 0;
    display: flex;
    flex-wrap: wrap;
    margin-top: calc(-1 * var(--bs-gutter-y));
    margin-right: calc(-0.5 * var(--bs-gutter-x));
    margin-left: calc(-0.5 * var(--bs-gutter-x));
}

.row > * {
    flex-shrink: 0;
    width: 100%;
    max-width: 100%;
    padding-right: calc(var(--bs-gutter-x) * 0.5);
    padding-left: calc(var(--bs-gutter-x) * 0.5);
    margin-top: var(--bs-gutter-y);
}
.g-2, .gx-2 {
    --bs-gutter-x: 1rem;
}
.col-4 {
    flex: 0 0 auto;
    width: 33.33%;
}
.col-6 {
    flex: 0 0 auto;
    width: 50%;
}
.ziliao-item{
    position: relative;
    width: 100%;
    margin: 0 auto;
    transition: opacity 0.3s ease;
    margin-bottom: -60px;
}
.last{
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 154px;
    background-color: red;

}

.ziliao-item:nth-child(4){
/*    opacity: 0.6;*/
}
.code{
    position: fixed;
    top: 0;

}
.code .cover{

    background-color: black;
    width: 100vw;
    height: 100vh;
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0.2;
}
.code img{
    position: absolute;
    transform: translateY(100%) translateX(25%);
    width: 250px;
}
.pdf-show{
    width: 100%;
    height: 50vh;
    margin-top: 18vh;
    overflow: hidden;
}
.pdf-show iframe {
    width: 100%;
    height: 100%;
}


.login-box{
display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgb(0,0,0);
    background-color: rgba(0,0,0,0.4);
}
.login-form{

    position: absolute;
    left: 50%;
    top: 50%;
    width: 420px;
    background-color: #ffffff;
    padding: 40px 30px 80px;
    transform: translate(-50%,-50%);
}
.login-form .title {
    font-size: 26px;
    text-align: center;
    margin-top: 20px;
}
.login-form  .line {
    height: 3px;
    width: 60px;
    background: #C31919;
    margin: 15px auto;
    margin-bottom: 50px;
}
.login-form .login-btn {
    margin-top: 30px;
    background: #C31919;
    border-color: #C31919;
    width: 100%;
}
.btn-check:focus+.btn-primary, .btn-primary:focus,.btn-check:active+.btn-primary:focus, .btn-check:checked+.btn-primary:focus, .btn-primary.active:focus, .btn-primary:active:focus, .show>.btn-primary.dropdown-toggle:focus{
    box-shadow: 0 0 0 0.25rem rgb(136 41 40 / 0.2);
}
.form-control:focus{
    border-color: #C31919;
    box-shadow: 0 0 0 0.25rem rgb(136 41 40 / 0.2);
}
.phone-error {
    color: #C31919;
    margin-top: 4px;
}
.register {
    text-align: right;
    margin: 10px 0;
}
.register a{
    color: #C31919;
}
.login-form{
    width: 90%;
}
.zb-live iframe {
    height: 85vh!important;
}
.right-fix{
    display: none !important;
}
.pdf-card{
    position: relative;
}
.pdf-card a{
    color: #2b2b2b;
    text-decoration: none;

}
.tool-btn{
    position: absolute;
    width: 70px;
    height: 40px;
    right: -21px;
    bottom: 23px;
    font-size: 14px;
    text-align: center;

}
.tool-btn span {
    background: linear-gradient(90deg, rgb(238 238 238 / 0.8) 0%, rgb(239 220 220 / 0.8) 100%);
    padding: 2px 8px;
    margin-top: 10px;
    display: block;
    border-radius: 3px;
}
.tool-btn span{
    color: #2b2b2b;
}

.returnindex {
    position: relative;
    height: 60px;
}

.returnindex button {
    position: fixed;
    top: 10px;
    left: 10px;
    width: 120px;
    height: 40px;
    line-height: 40px;
    background: none;
    border: none;
    padding: 0;
    margin: 0;
    font: inherit;
    cursor: pointer;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    color: #616161;
    background: rgb(242, 242, 242);
}

.returnindex img {
    position: fixed;
    top: 20px;
    left: 20px;
    width: 40px;
    height: 40px;
    z-index: 22;
}
.pdf-show{
    width: 100%;
    height: 70vh;
    margin-top: 6vh;
    overflow: hidden;
}
.pdf-show iframe {
    width: 100%;
    height: 100%;
}