/* 基础样式 */
:root {
    --primary-color: #144f72;
    --accent-color: #17a2b8;
    --text-color: #333;
    --bg-light: #f8f9fa;
}

body,dd,div,dl,dt,fieldset,form,h1,h2,h3,h4,h5,h6,input,li,ol,p,select,table,td,textarea,ul,section {
    margin: 0;
    padding: 0;
    -webkit-text-size-adjust: none
}

body {
    font-family: 'Microsoft YaHei', pingfang,sans-serif;
    color: var(--text-color);
}

/* .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
} */

.bgimg {
    display: block;
    width: 100%;
}

/* Hero Section  */


.hero-content {
    background: #fff;
    width: 80vw;
    max-width: 1440px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero-content .container {
    margin-top: -38vw;
    background-color: #fff;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.3);
    padding: 6.25vw 4.5vw;
    display: flex;
    justify-content: space-around;
}

.hero-content h3 {
    font-size: 36px;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease-out;
    /* 入场动画 */
}

.hero-content p {
    max-width: 600px;
    font-size: 20px;
    margin-bottom: 30px;
    line-height: 1.5;
    letter-spacing: 3px;
    animation: fadeInUp 1s ease-out 0.3s backwards;
}

/* 按钮动态效果 */
.btn-more {
    display: inline-block;
    padding: 12px 45px;
    background: var(--primary-color);
    color: #fff;
    text-decoration: none;
    border-radius: 50px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn-more:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 86, 179, 0.4);
}

.hero .bot-block {
    position: relative;
    margin-top: 40px;
}

.hero .swiper-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    z-index: 1;
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-transition-property: -webkit-transform;
    transition-property: -webkit-transform;
    -o-transition-property: transform;
    transition-property: transform;
    transition-property: transform, -webkit-transform;
    -webkit-box-sizing: content-box;
    box-sizing: content-box;
    justify-content: space-between;
}

.hero .line {
    height: 1px;
    position: absolute;
    left: 0;
    right: 0;
    top: 30px;
    background-color: #cccccc;
}

.hero .wrapper {
    width: 80vw;
    max-width: 1440px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero .items {
    padding: 0 3.125vw;
}

.hero .item {
    cursor: pointer;
    width: 280px;
}

.hero .item .icon {
    width: 60px;
    height: 60px;
    margin: 0 auto;
    position: relative;
    transition: all .3s ease;
}

.hero .item .icon .ring {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    opacity: 0;
}

.hero .item .icon .ring span {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 50%;
    background-color: rgba(0, 88, 78, 0.2);
    -webkit-animation: ringscale1 2s linear infinite;
    -moz-animation: ringscale1 2s linear infinite;
    -ms-animation: ringscale1 2s linear infinite;
    animation: ringscale1 2s linear infinite;
    opacity: 0;
}

@keyframes ringscale1 {
    0% {
        opacity: 1;
        -webkit-transform: scale(0);
        -moz-transform: scale(0);
        -ms-transform: scale(0);
        transform: scale(0);
    }

    100% {
        opacity: 0;
        -webkit-transform: scale(1);
        -moz-transform: scale(1);
        -ms-transform: scale(1);
        transform: scale(1);
    }
}

@keyframes ringscale2 {
    0% {
        opacity: 1;
        -webkit-transform: scale(1);
        -moz-transform: scale(1);
        -ms-transform: scale(1);
        transform: scale(1);
    }

    100% {
        opacity: 0;
        -webkit-transform: scale(1.5);
        -moz-transform: scale(1.5);
        -ms-transform: scale(1.5);
        transform: scale(1.5);
    }
}

.hero .item .icon .ring span:nth-of-type(2) {
    animation-delay: .7s;
}

.hero .item .icon .ring span:nth-of-type(3) {
    animation-delay: 1.4s;
}

.hero .item .icon:after {
    content: '';
    width: 26px;
    height: 26px;
    position: absolute;
    top: 50%;
    left: 50%;
    margin: -13px 0 0 -13px;
    z-index: 2;
    background-position: center;
    background-repeat: no-repeat;
    background-size: contain;
    background-image: url("/new_files/images/single_page/sshzz/icon-19.png");
    transition: all .3s ease;
}

.hero .item h3 {
    font-size: 24px;
    line-height: 24px;
    color: #1c1b1b;
    /* max-width: 150px; */
    margin: 10px auto;
    text-align: center;
    transition: all .3s ease;
    font-weight: normal;
}

.hero .item a {
    display: block;
    margin: 0 auto;
    width: 24px;
    height: 24px;
    background-position: center;
    background-repeat: no-repeat;
    background-size: contain;
    /* background-image: url(/statics/home/images/about/icon-20.png"); */
    opacity: 0;
    transition: all .3s ease;
}

.hero .item:hover .icon .ring {
    opacity: 1;
}

.hero .item:hover .icon:after {
    background-image: url("/new_files/images/single_page/sshzz/icon-19-on.png");
}

.hero .item:hover h3 {
    color: var(--primary-color);
}

.hero .item:hover a {
    opacity: 1;
}

/* .hero .button {
  width: 24px;
  height: 24px;
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  background-image: url("/new_files/images/single_page/sshzz/https://www.datsing.com/statics/home/images/about/icon-21.png");
  position: absolute;
  top: 50%;
  margin-top: -12px;
  z-index: 2;
  cursor: pointer;
  transition: all .3s ease;
}
@media screen and (min-width: 1025px) {
  .hero .button:hover {
    background-image: url("/new_files/images/single_page/sshzz/https://www.datsing.com/statics/home/images/about/icon-21-on.png");
  }
} */
.txsection {
    position: relative;
}

.txbg img {
    width: 100%;
    display: block;
}

.tx-txt {
    width: 783px;
    position: absolute;
    top: 30%;
    right: 100px;
    color: #fff;
}

.tx-txt .tx-tit {
    font-size: 36px;
}

.tx-txt p {
    font-size: 20px;
    line-height: 1.5;
    letter-spacing: 3px;
    margin: 50px 0;
}
.tx-txt a{
    padding: 10px 50px;
    border: 1px solid #fff;
    border-radius: 25px;
    text-decoration: none;
    color: #fff;
}

.xueke{
    text-align: center;
    background-image: url("/new_files/images/single_page/sshzz/bg3.png");
    background-repeat: no-repeat;
    background-size: cover;
    padding: 125px 0;
}
.xueke .section-title{
    font-size: 36px;
    margin-bottom: 125px;
}
.xueke .items{
    display: flex;
    justify-content: space-evenly;
}
.xueke .item .icon{
    width: 196px;
    height: 196px;
    border: 2px solid #ccc;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-sizing: border-box;
    transition: all .2s ease;
    position: relative;
}
.xueke .item .icon::before{
    content: '';
    position: absolute;
    top: -30px;
    left: -30px;
    right: -30px;
    bottom: -30px;
    background-position: center;
    background-repeat: no-repeat;
    background-size: contain;
    background-image: url("/new_files/images/single_page/sshzz/icon-16.png");
    z-index: 1;
    opacity: 0;
    transition: all .3s ease;
    /* transform-origin: center center;
    display: block;
    will-change: transform, opacity; */
}
.xueke .item .icon i{
    color: #666;
    font-size: 120px;
}

.xueke .item:hover .icon{
    border-color: #144f72;
    border-width: 5px;
}

.xueke .item:hover .icon::before{
    opacity: 1;
    animation: rotate 40s linear infinite;
}

.xueke .item:hover .icon::after{
    content: '';
    width: 170px;
    height: 170px;
    border: 2px dotted #357499;
    border-radius: 50%;
    margin: 0 auto;
    position: absolute;
}
.xueke .item:hover .icon i{
    color: #144f72;
    transform: rotateY(360deg);
    transition: all 1s ease;
    
}
.xueke .item:hover h3{
    color: #144f72;
}
.xueke .item h3{
    margin-top: 97px;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

/* 关键帧动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式适配 */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2rem;
    }
}