* {
    margin: 0;
    padding: 0;
}

.w-100 {
    width: 100%;
}

.h-100 {
    height: 100%;
}

.w-0 {
    width: 0;
}

.h-0 {
    height: 0;
}

.cf {
    color: #fff;
}

.flex {
    display: flex;
}

.flex-1 {
    display: flex;
    flex: 1;
}

.jc-center {
    justify-content: center;
}

.ai-center {
    align-items: center;
}

.flex-col {
    display: flex;
    flex-direction: column;
}

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

.ai-end {
    align-items: end;
}

.ai-start {
    align-items: start;
}

.jc-between {
    justify-content: space-between;
}

.jc-around {
    justify-content: space-around;
}

.cursor {
    cursor: pointer;
}

.pr {
    position: relative;
}

.pa {
    position: absolute;
}

ul,
li {
    list-style: none;
}

a {
    text-decoration: none;
}

/* 文字溢出 */
.ellipsis {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ellipsis2 {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

.ellipsis3 {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
}

.ellipsis4 {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
    overflow: hidden;
}

.ellipsis5 {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 5;
    overflow: hidden;
}

.hide {
    display: none;
}

.m-auto {
    margin: 0 auto;
}

body {
    min-width: 1600px;
}

.tyss_yjs {
    max-width: 1920px;
    margin: 0 auto;
    min-height: 981px;
    background: url('/material/zt/2026/tyss/images/tyss_big-bg1.png') #DAF4FF no-repeat;
    /* background-size: 100% 981px; */
    background-size: contain;
    padding-top: 480px;
    display: flex;
    align-items: flex-start;
    box-sizing: border-box;
    /* padding-bottom: 50px; */
}

.tyss_yjs div,
.tyss_yjs li,
.tyss_yjs ul {
    box-sizing: border-box;
}

.tyss_logo_a {
    top: 45px;
    position: absolute;
    left: 330px;
}

.tyss_nav_wrap {
    width: 280px;
    position: sticky;
    top: 10px;
    left: 0;
    height: 850px;
    flex-shrink: 0;
}

.tyss_nav {
    width: 280px;
    height: 850px;
    background-color: #B3DFFF;
    padding-top: 12px;
    padding-left: 20px;
    border-radius: 10px;
    position: sticky;
    top: 10px;
    box-sizing: border-box;
    z-index: 10;
    flex-direction: column;
    display: flex;
}

.open-nav-c {
    	display: none;
        cursor: pointer;
	flex-direction: column;
	position: sticky;
	top: 400px;
	left: 0;
	padding: 20px;
	color: #fff;
	letter-spacing: 5px;
	writing-mode: vertical-lr;
	background-color: #0073ff;
}

.tyss_content {
    width: 1300px;
    margin-left: 20px;
}

.nav-ul {
    margin-top: 12px;
    flex-direction: column;
    height: 0;
    flex: 1;
    overflow: auto;
    padding-bottom: 10px;
}

/* 滚动条整体 */
.nav-ul::-webkit-scrollbar {
    width: 8px;  /* 竖向滚动条宽度 */
    height: 8px; /* 横向滚动条高度 */
}


/* 滚动条轨道 */
.nav-ul::-webkit-scrollbar-track {
    background: #DADADA;
    border-radius: 10px;

}


/* 滚动条滑块 */
.nav-ul::-webkit-scrollbar-thumb {
    background: #A7A7A7;
    border-radius: 10px;
}


/* 鼠标悬停滑块 */
.nav-ul::-webkit-scrollbar-thumb:hover {
    background: #A7A7A7;
}

.nav-ul li {
    width: 245px;
    height: 82px;
    background-color: #F7FCFF;
    color: #385DD5;
    font-size: 22px;
    font-weight: bold;
    border-radius: 50px;
    padding: 0 10px;
    cursor: pointer;
    flex-shrink: 0;
}

.nav-ul li:nth-of-type(n+2) {
    margin-top: 20px;
}

.nav-ul li:hover .arrow-div>img {
    display: block;
}

.nav-ul li.active .arrow-div>img {
    display: block;
}

.nav-ul li:hover,
.nav-ul li.active {
    background-color: #2E7DFF;
    color: #fff;
}

.arrow-div {
    width: 33px;
    height: 38px;
    margin-top: 10px;
}

.arrow-div>img {
    display: none;
}

.common_c {
    width: 1300px;
    margin: 10px auto 0 auto;
    padding-top: 60px;
}

.common_c_c {
    border-radius: 10px;
    background-color: #fff;
    min-height: 240px;
    border: 2px solid #1886F7;
    position: relative;
    z-index: 2;
    width: 100%;
    padding: 100px 60px 40px 60px;
    font-size: 24px;
    color: #212121;
    line-height: 40px;
}

.common_title_c {
    width: 461px;
    height: 76px;
    background: url('/material/zt/2026/tyss/images/common_title_bg1.png') no-repeat;
    background-size: 100% 100%;
    z-index: 1;
    left: 50%;
    transform: translateX(-50%);
    position: absolute;
    z-index: 1;
    top: 40px;
}

.common_title_c1 {
    width: 385px;
    height: 76px;
    background: url('/material/zt/2026/tyss/images/common_title_bg2.png') no-repeat;
    background-size: 100% 100%;
    z-index: 1;
    left: 50%;
    transform: translateX(-50%);
    position: absolute;
    z-index: 3;
    font-size: 38px;
    color: #FFFFFF;
    font-weight: bold;
    text-align: center;
    line-height: 76px;
    top: 40px;
}

.common_c_cricle {
    position: absolute;
    width: 338px;
    height: 213px;
    right: 0;
    top: 60px;
    z-index: 4;
}

.text-index {
    text-indent: 2em;
    display: inline-block;
}

.common_c_c .text-index:nth-of-type(n+2) {
    margin-top: 30px;
}

.common_c_c>.classify-div:nth-of-type(n+2) {
    margin-top: 10px;
}

.classify-div>span {
    color: #385DD5;
    font-size: 24px;
    font-weight: bold;
    text-indent: 2em;
    display: inline-block;
}

.classify-div>ul {
    margin-top: 10px;
}

.classify-div>ul li {
    line-height: 40px;
    text-indent: 2em;
}

.close-btn {
    padding-right: 20px;
    justify-content: end;
    flex-shrink: 0;
}

.link-tab {
    margin-top: 0;
}