html, body {
    margin: 0;
    padding: 0;
    font-size: 100px;
}

.body {
    min-width: 1200px;
    font-family: PingFang SC;
    font-weight: 400;
}

.top_header_fixed {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: white;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin-top: 0;
}

.top_pic {
    position: fixed;
    right: 0;
    top: 50%;
    z-index: 9;
}

.chat_icon {
    width: 1.24rem;
    height: 1.24rem;
}

.top_pic:hover > .er {
    display: inline-block;
}

.top_pic .er {
    display: none;
    background-image: url("./../images/home/Group14.png");
    background-size: 100% 100%;
    width: 1.85rem;
    height: 1.85rem;
    position: absolute;
    right: 1.2rem;
    bottom: -11px;
}

.top_pic .er img {
    width: 1.27rem;
    height: 1.54rem;
    margin: 12px 17px;
}

a {
    color: inherit;
    text-decoration: none;
}

.top {
    background-size: 100% 100%;
    padding: .1px;
    font-size: .22rem;
    background: linear-gradient(28deg, rgba(9, 187, 254, 0.11), rgba(90, 66, 236, 0.11));
}

.login {
    width: 0.88rem;
    height: 0.6rem;
    background: #5746ED;
    border-radius: 0.3rem 0.3rem 0.3rem 0.3rem;
    font-weight: 500;
    font-size: 0.22rem;
    color: #FFFFFF;
    display: inline-block;
    text-align: center;
    line-height: .6rem;
}

.top_header {
    height: 1rem;
    display: flex;
}

.top_header > div {
    flex: 1;
}

.top_header_left {

}

.top_header_center {
    justify-content: space-around;
    display: flex;
}

.top_header_center_item:hover {
    color: #5A42EC;
}

.top_header_center > div {
    line-height: 1rem;
    width: 1.8rem;
    text-align: center;
    cursor: pointer;
}

.top_produce {
    display: none;
    position: absolute;
    top: .8rem;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    z-index: 999;
}

.top_header_right {
    display: flex;
    justify-content: flex-end;
}

.top_header_right > div {
    line-height: 1rem;
    margin-right: .4rem;
}

.top_header_right img {
    display: inline-block;
    width: .27rem;
    height: .27rem;
    vertical-align: sub;
}

div.top_produce {
    display: none;
    position: fixed;
    height: 6.68rem;
    background: white;
    width: 100%;
    top: 1rem;
}

.top_produce > div {
    margin: 0.41rem .25rem 0.79rem;
    display: flex;
    height: 5.48rem;
}

.top_produce_left,
.top_produce_center,
.top_produce_right {
    flex: 1;
    width: 33.33%;
}

.top_produce_center {
    border-left: 1px solid gainsboro;
}

.top_produce_right {
    border-left: 1px solid gainsboro;
}

.top_produce_left:hover, .top_produce_center:hover, .top_produce_right:hover {
    background: linear-gradient(180deg, #EFEFFF 0%, #E8F5FF 100%);
}

/* 价格和方案悬浮菜单样式 */
.top_pricing {
    display: none;
    position: fixed;
    background: white;
    width: 100%;
    top: 1rem;
    left: 0;
    z-index: 999;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.top_pricing > div {
    padding: 0.6rem 0.6rem 0.8rem;
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.top_pricing_item {
    width: 10rem;
    padding: 0.3rem 0.5rem;
    transition: background 0.3s ease;
}

.top_pricing_item:hover {
    background: linear-gradient(180deg, #EFEFFF 0%, #E8F5FF 100%);
}

.top_pricing_header {
    font-size: 0.3rem;
    color: #0C0C0C;
    border-bottom: 2px solid #666666;
    display: inline-block;
    line-height: .6rem;
    cursor: pointer;
    margin-bottom: .3rem;
}

.top_pricing_header a {
    color: #0C0C0C;
    text-decoration: none;
}

.top_pricing_header:hover a {
    color: #5538E9;
}

.top_pricing_desc {
    font-size: 0.18rem;
    color: #999999;
    line-height: 0.32rem;
}

.top_produce_header {
    font-size: 0.34rem;
    color: #0C0C0C;
    border-bottom: 2px solid #666666;;
    display: inline-block;
    line-height: .7rem;
    cursor: pointer;
    margin-bottom: .6rem;
}

.top_produce > div > div {
    padding: .2rem .2rem .1rem;
}

.top_produce_header:hover {
    color: #5538E9;
}

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

.top_produce_item {
    width: 2.65rem;
    font-size: 0.18rem;
    color: #999999;
    line-height: 0.24rem;
}

.product_item_title {
    font-size: .24rem;
    color: #0c0c0c;
    margin-bottom: .16rem;
}

.product_item_desc {
    font-size: .18rem;
    color: #999999;
    margin-bottom: .6rem;
}

.top_produce_right {
    flex: 1;
    border-left: 1px solid gainsboro;
}

.top_main {
    margin: .5rem 2rem 1rem;
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.top_main_left {
}

.top_main_left_title {
    font-weight: 600;
    font-size: 0.74rem;
    color: #593CE9;
}

.top_main_left_desc {
    font-weight: 100;
    font-size: 0.42rem;
    color: #303030;
    margin-top: .35rem;
}

.top_main_right img {
    width: 7.99rem;
    height: 4.67rem;
}

.second {
    background: #FFFFFF;
    border-radius: .43rem;
    display: flex;
    position: relative;
    margin-top: -0.86rem;
    padding-top: .86rem;
}

.second_left {
    width: 3.3rem;
}

.second_main {
    flex: 1;
}

.second_left_item {
    margin: .4rem 0;
    position: relative;
    font-weight: 400;
    font-size: 0.28rem;
    color: #030303;
    cursor: pointer;
}
.second_left_item.active  > .second_left_item_icon{
    display: inline-block;
}
.second_left_item_icon + div{
    margin-left: 35px;
}
.second_left_item_icon {
    display: none;
    width: 0.23rem;
    height: 0.37rem;
    background: linear-gradient(28deg, #09BBFE, #5A42EC);
    border-radius: 0 0.15rem .15rem 0;
    vertical-align: middle;
    margin-right: 20px;
    position: absolute;
}

.second_main {
    display: flex;
    flex-wrap: wrap;
}

.news_item {
    margin-right: 1.39rem;
    margin-bottom: .8rem;
}

.news_img {
    width: 5.9rem;
    height: 3.45rem;
}

.news_title {
    font-weight: 600;
    font-size: 0.28rem;
    color: #030303;
    margin-top: .6rem;
    margin-bottom: .2rem;
}

.news_desc {
    font-weight: 400;
    font-size: 0.2rem;
    color: #030303;
    width: 5.58rem;
}

.news_time {
    font-weight: 400;
    font-size: 0.2rem;
    color: #999999;
    margin-top: .3rem;
}

/* --- Animations Application --- */

/* Set initial state for elements that will be animated */
.news_item {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out, box-shadow 0.3s ease;
}

/* The .visible class will be added by JavaScript to trigger the transition */
.news_item.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Add a hover effect for interactivity */
.news_item:hover {
    transform: scale(1.03);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

/* Stagger the animation for a nicer effect */
.news_item:nth-child(1) {
    transition-delay: 0.1s;
}

.news_item:nth-child(2) {
    transition-delay: 0.2s;
}

.news_item:nth-child(3) {
    transition-delay: 0.3s;
}

.news_item:nth-child(4) {
    transition-delay: 0.4s;
}

/* Add more if there are more items */
.news_item:nth-child(5) {
    transition-delay: 0.5s;
}

.news_item:nth-child(6) {
    transition-delay: 0.6s;
}