* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft Yahei", sans-serif;
}

html,
body {
    height: 100%;
    overflow: hidden;
}

ul {
    list-style: none;
}

a {
    text-decoration: none;
    color: #333;
}

.container {
    width: 1320px;
    margin: 0 auto;
}

/* 全屏滑动容器 */
.fullpage-swiper {
    width: 100%;
    height: 100%;
}

.swiper-slide {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

/* 第1屏：Banner */
.top-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #073FCF;
    padding: 0 300px;
    height: 84px;
    box-sizing: border-box;
    border: 1px solid rgba(255, 255, 255, 0.3)
}

.top-nav .topLogo {
    display: block;
    width: 194px;
    height: 44px;
}

.top-nav .container {
    display: flex;
    justify-content: space-between;
    margin: 0;
    width: 936px;
}

.top-nav a {
    color: #fff;
    font-size: 15px;
}

.top-nav a img {
    display: block;
    width: 20px;
    height: 20px;
}

.banner {
    width: 100%;
    height: calc(100% - 84px);
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #fff;
    overflow: hidden;
}

.banner-content {
    display: block;
    width: 100%;
    height: 100%;
}

.banner h1 {
    font-size: 52px;
    margin-bottom: 12px;
    font-weight: bold;
}

.banner-en {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 30px;
    letter-spacing: 1px;
}

.banner-tip {
    font-size: 32px;
    font-weight: 600;
}

/* 通用区块标题样式 */
.section-title {}

.section-title h2 {
    font-weight: 700;
    font-size: 44px;
    color: #1A1A1A;
    line-height: 64px;
    text-align: left;
    font-style: normal;
    text-transform: none;
}

.section-title p {
    padding-top: 20px;
    font-weight: 400;
    font-size: 15px;
    color: #767676;
    line-height: 22px;
    text-align: left;
    font-style: normal;
    text-transform: none;
}

/* 第2屏：持证评审、专家团队 */
.top-nav2 {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 300px;
    height: 84px;
    box-sizing: border-box;
    border: 1px solid #D8D8D8;
    background: #fff;
}

.top-nav2 .topLogo {
    display: block;
    width: 194px;
    height: 44px;
}

.top-nav2 .container {
    display: flex;
    justify-content: space-between;
    margin: 0;
    width: 936px;
}

.top-nav2 a {
    color: #1A1A1A;
    font-size: 15px;
}

.top-nav2 a img {
    display: block;
    width: 20px;
    height: 20px;
}

.team-section {
    width: 100%;
    height: 100%;
    padding: 60px 0;
}

.team-desc {
    font-weight: 400;
    font-size: 15px;
    color: #1A1A1A;
    line-height: 30px;
    text-align: left;
    font-style: normal;
    text-transform: none;
    margin-bottom: 30px;
    margin-top: 20px;
    /* 多行省略号 */
    display: -webkit-box;
    -webkit-line-clamp: 6;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.team-img-box {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.team-item {
    width: 310px;
    height: 307px;
    border-radius: 6px;
}

.team-item img {
    display: block;
    width: 100%;
    height: 100%;
}

.team-btn-group {
    display: flex;
    align-items: center;
    justify-content: space-between;

}

.team-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 50px;
    width: 420px;
    height: 59px;
    box-sizing: border-box;
    border: 1px solid #1E72E1;
    font-size: 20px;
    color: #1E72E1;
}

.team-btn img {
    width: 24px;
    height: 24px;
}

.arrow-hover {
    display: none;
}

.team-btn:hover {
    background: #0066dd;
    color: #fff;
}

.team-btn:hover .arrow-default {
    display: none;
}

.team-btn:hover .arrow-hover {
    display: block;
}

/* 公司核心业务 */
.business-section {
    width: 100%;
    height: 100%;
    padding: 135px 0;
    background-image: url(../images/bg1.png);
}

.business-wrap {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-top: 30px;
}

.business-col {
    width: 420px;
}

.business-card {
    width: 420px;
    height: 210px;
    background: #FFFFFF;
    box-shadow: 0px 4px 10px 0px rgba(0, 0, 0, 0.1);
    padding: 30px;
}

.business-card h3 {
    margin-bottom: 25px;
    font-size: 24px;
    color: #1A1A1A;
    display: flex;
    align-items: center;
}

.business-card h3 img {
    display: block;
    margin-right: 15px;
    width: 30px;
    height: 30px;
}

.business-card p {
    font-size: 15px;
    color: #767676;
    line-height: 30px;
    /* 多行省略号 */
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.business-center {
    width: 420px;
    height: 535px;
    background: #1E72E1;
    color: #fff;
    padding: 30px;
}

.center-icon {
    display: block;
    margin: auto;
    margin-top: 70px;
    width: 152px;
    height: 164px;
}

.business-center h3 {
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 24px;
    color: #FFFFFF;
    margin: 30px 0;
}

.business-center h3 img {
    display: block;
    margin-right: 15px;
    width: 30px;
    height: 30px;
}

.business-center p {
    font-weight: 400;
    font-size: 15px;
    color: #FFFFFF;
    line-height: 30px;
    /* 多行省略号 */
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 四大核心优势 */
.advantage-section {
    width: 100%;
    height: 100%;
    padding: 122px 0;
    background-image: url(../images/bg2.png);
    color: #fff;
}

.advantage-section .section-title h2,
.advantage-section .section-title p {
    color: #fff;
    text-align: center;
}

.advantage-wrap {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
}

.advantage-card {
    padding: 50px 30px;
    width: 308px;
    height: 560px;
    background: linear-gradient(180deg, #FFFFFF 0%, #DEEDFF 100%);
    box-shadow: 0px 4px 10px 0px rgba(0, 0, 0, 0.1);
    border-radius: 0px 0px 0px 0px;
    border: 4px solid #FFFFFF;
    box-sizing: border-box;
}

.adv-num {
    margin: auto;
    margin-bottom: 30px;
    width: 121px;
    height: 99px;
}

.adv-num img {
    display: block;
    width: 100%;
    height: 100%;
}

.advantage-card h3 {
    margin-bottom: 30px;
    font-weight: 700;
    font-size: 30px;
    color: #1E72E1;
    line-height: 42px;
    text-align: center;
}

.advantage-card p {
    font-weight: 400;
    font-size: 15px;
    color: #1A1A1A;
    line-height: 30px;
    text-align: left;
}

/* 新闻资讯 */
.news-section {
    width: 100%;
    height: 100%;
    padding: 126px 0;
}

.news-section .section-title h2 {
    font-weight: 700;
    font-size: 44px;
    color: #1A1A1A;
    line-height: 64px;
    text-align: center;
}

.news-section .section-title p {
    text-align: center;
    font-weight: 400;
    font-size: 20px;
    color: #767676;
    line-height: 29px;
}

.news-tab {
    display: flex;
    margin: 30px 0;
    width: 100%;
    border: 1px solid #1E72E1;
    overflow: hidden;
    text-align: center;
}

.news-tab-item {
    width: 330px;
    height: 59px;
    border-right: 1px solid #1E72E1;
    line-height: 59px;
    font-weight: 400;
    font-size: 20px;
    color: #1E72E1;
    cursor: pointer;
}

.news-tab-item:last-child {
    border-right: none;
}

.news-tab-item.active {
    background: #1E72E1;
    color: #fff;
}

.news-list {
    display: flex;
    justify-content: space-between;
}

.news-item {
    display: block;
    width: 308px;
    height: 454px;
    box-sizing: border-box;
    overflow: hidden;
    border: 1px solid #D8D8D8;
}

.news-img {
    width: 308px;
    height: 308px;
}

.news-img img {
    display: block;
    width: 100%;
    height: 100%;
}

.news-text {
    padding: 20px;
    padding-top: 30px;
    padding-bottom: 10px;
    box-sizing: border-box;
}

.news-text p {
    font-weight: 400;
    font-size: 18px;
    color: #1A1A1A;
    line-height: 26px;
    text-align: left;
    /* 多行省略号 */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.news-item .more {
    display: block;
    margin-left: 20px;
    width: 20px;
    height: 20px;
}

/* 联系我们 */
.contact-section {
    width: 100%;
    height: calc(100% - 37px);
    padding: 150px 0;
    background-image: url(../images/bg3.png);
}

.contact-section .section-title h2 {
    font-weight: 700;
    font-size: 44px;
    color: #FFFFFF;
    line-height: 64px;
    text-align: center;
}

.contact-section .section-title p {
    padding-bottom: 30px;
    font-weight: 400;
    font-size: 20px;
    color: #FFFFFF;
    line-height: 29px;
    text-align: center;
}

.contact-box {
    width: 1320px;
    height: 321px;
    background: #FFFFFF;
    margin: 0 auto;
    color: #333;
    padding: 60px;
}

.contact-box h4 {
    padding-bottom: 40px;
    font-weight: 700;
    font-size: 30px;
    color: #1A1A1A;
    line-height: 43px;
    text-align: left;
}

.contact-item {
    padding-bottom: 20px;
    font-weight: 400;
    font-size: 18px;
    color: #1A1A1A;
    line-height: 26px;
}

.contact-item:last-child {
    padding-bottom: 0;
}

/* 底部版权 */
footer {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 37px;
    background: #000000;
    text-align: center;
    font-weight: 400;
    font-size: 12px;
    color: #FFFFFF;
    line-height: 17px;
}

/* 右侧悬浮按钮 */
.float-tool {
    position: fixed;
    z-index: 9999;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
}

.float-tool .float-btn {
    display: block;
    margin-bottom: 2px;
    width: 55px;
    height: 55px;
    background-size: 100% 100%;
    position: relative;
    overflow: visible;
    cursor: pointer;
}

.float-tool .float-btn .slide-bar {
    position: absolute;
    right: 60px;
    top: 0;
    visibility: hidden;
    opacity: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: translateX(50px);
    transition: transform 0.45s ease-out,
        opacity 0.45s ease-out,
        visibility 0s ease-out 0.45s;
    color: #fff;
    background: #1E72E1;
    font-size: 16px;
    white-space: nowrap;
    height: 100%;
}

.float-tool .float-btn .slide-bar img {
    display: block;
    margin-right: 15px;
    width: 22px;
    height: 22px;
}

.float-tool .float-btn:nth-child(1) {
    background-image: url(../images/zu5.png);
}

.float-tool .float-btn:nth-child(2) {
    background-image: url(../images/zu1.png);
}

.float-tool .float-btn:nth-child(3) {
    background-image: url(../images/zu6.png);
}

.float-tool .float-btn:nth-child(4) {
    background-image: url(../images/zu7.png);
}

.float-tool .float-btn:hover .slide-bar {
    visibility: visible;
    opacity: 1;
    transform: translateX(0);
    display: flex;
    align-items: center;
    justify-content: center;
    width: auto;
    min-width: 200px;
    height: 100%;
    background: #1E72E1;
    transition: transform 0.45s ease-out,
        opacity 0.45s ease-out,
        visibility 0s ease-out 0s;
}

/* swiper分页小圆点 */
.swiper-pagination {
    right: 20px !important;
    left: auto !important;
    width: auto !important;
}

.swiper-pagination-bullet {
    background: transparent;
    opacity: 0.4;
}

.swiper-pagination-bullet-active {
    background: transparent;
    opacity: 1;
}