*,
body {
    margin: 0;
    padding: 0;
    -webkit-user-select: none; /* Safari */
    -moz-user-select: none;    /* Firefox */
    -ms-user-select: none;     /* IE10+/Edge */
    user-select: none;         /* 标准语法 */
}

.block1 {
    position: relative;
    overflow: hidden;
    width: 100%;
    height: 50rem;
    background-image: url('../images/index/block1_bg1.png');
}

.block1_t1 {
    position: relative;
    z-index: 5;
    color: #000;
    font-size: 4.69rem;
    font-family: PangMenZhengDao;
    margin-top: 21.13rem;
    margin-left: 14.38rem;
}

.block1_t2 {
    position: relative;
    z-index: 5;
    color: #777;
    font-size: 2.5rem;
    font-weight: 400;
    font-family: PingFangSC, PingFang SC;
    margin-top: 2.19rem;
    margin-left: 26.06rem;
}

.block1_bg1 {
    position: absolute;
    right: 0;
    bottom: 0;
    z-index: 2;
    width: 62.74rem;
    height: 39.34rem;
    background-image: url('../images/index/block1_bg2.png');
}

.block1_bg2 {
    position: absolute;
    right: 12.25rem;
    bottom: 2.44rem;
    z-index: 3;
    width: 38.16rem;
    height: 39.34rem;
    background-image: url('../images/index/block1_bg3.png');
}

.block1_bg3 {
    width: 100%;
    height: 100%;
    background-image: url('../images/index/block1_bg4.png');
}

.block2 {
    position: relative;
    overflow: hidden;
    width: 100%;
    height: 56.25rem;
    background-image: url('../images/index/block2_bg1.png');
}

.block2_tit {
    color: #000;
    font-size: 2.5rem;
    font-weight: 600;
    font-family: PingFangSC, PingFang SC;
    text-align: center;
    margin-top: 9.5rem;
}

.block2_list {
    margin-top: 6.31rem;
}

.block2_item {
    position: relative;
    overflow: hidden;
    width: 28.75rem;
    height: 21.88rem;
    background: linear-gradient( 252deg, #487FEB 0%, #48ACF9 100%);
    box-shadow: 0 0.13rem 0.38rem 0 #E1EEFB;
    border: 0.06rem solid #C7DFFC;
    border-radius: 0.5rem;
    margin: 0 0.94rem;
    transition: all .5s ease;
}

.block2_item_img {
    position: absolute;
}

.block2_item:nth-child(1) .block2_item_img {
    top: 1.38rem;
    right: 1.38rem;
    width: 11rem;
    height: 10.25rem;
}

.block2_item:nth-child(2) .block2_item_img {
    top: 1.5rem;
    right: 2.56rem;
    width: 8.26rem;
    height: 9.38rem;
}

.block2_item:nth-child(3) .block2_item_img {
    top: 1.51rem;
    right: 2rem;
    width: 9.59rem;
    height: 9.59rem;
}

.block2_item:hover {
    margin: 0 30px;
    transform: scale(1.1);
}

.block2_item_main {
    width: 28.75rem;
    height: 14.38rem;
    background: #fff;
    border-top-left-radius: 0.5rem;
    border-top-right-radius: 0.5rem;
}

.block2_list_tit {
    color: #000;
    font-size: 1.88rem;
    font-weight: 600;
    font-family: PingFangSC, PingFang SC;
    margin-top: 3.44rem;
    margin-left: 1.88rem;
}

.block2_list_cont {
    width: 25rem;
    color: #666;
    font-size: 1.25rem;
    font-weight: 400;
    font-family: PingFangSC, PingFang SC;
    margin-top: 0.75rem;
    margin-left: 1.88rem;
}

.block3 {
    position: relative;
    overflow: hidden;
    width: 100%;
    height: 56.25rem;
    background-image: url('../images/index/block3_bg1.png');
}

.block3_t1 {
    color: #000;
    font-size: 2.5rem;
    font-weight: 600;
    font-family: PingFangSC, PingFang SC;
    text-align: center;
    margin-top: 5.69rem;
}

.block3_t2 {
    color: #666;
    font-size: 1.88rem;
    font-weight: 300;
    font-family: STXingkaiSC, STXingkaiSC;
    text-align: center;
}

.block3_main {
    width: 90rem;
    height: 35.13rem;
    background: linear-gradient( 163deg, #FCFFFF 0%, #D8ECFC 100%);
    border-radius: 2.44rem;
    border: 0.24rem solid #fff;
    margin: 3.44rem auto 0;
}

.block3_l {
    width: 15.5rem;
    height: 35.13rem;
}

.block3_l_item {
    width: 15.63rem;
    height: 7.5rem;
    line-height: 7.5rem;
    color: #000;
    font-size: 1.88rem;
    font-weight: 400;
    font-family: PingFangSC, PingFang SC;
    text-align: center;
    cursor: pointer;
}

.block3_l .active {
    position: relative;
    left: -0.1rem;
    color: #fff;
    background-image: url('../images/index/block3_bg2.png');
}

.block3_r {
    position: relative;
    width: 74.49rem;
    height: 34.78rem;
    background: #fff;
    box-shadow: -0.12rem 0 0.19rem 0 #E6E9EB;
    border: 0.19rem solid #fff;
    border-radius: 0 2.44rem 2.44rem 0;
}

.block3_r_info {
    font-family: PingFangSC, PingFang SC;
    padding-left: 10.56rem;
}

.block3_r_tit {
    color: #2258C7;
    font-size: 2.19rem;
    font-weight: 600;
    margin-top: 4.81rem;
}

.block3_r_cont {
    width: 23.81rem;
    height: 8.19rem;
    line-height: 2rem;
    color: #000;
    font-size: 1.25rem;
    font-weight: 400;
    margin-top: 0.63rem;
}

.block3_r_btn {
    position: relative;
    width: 11.31rem;
    height: 3.13rem;
    line-height: 3.13rem;
    color: #FFF;
    font-size: 1.25rem;
    font-weight: 500;
    text-align: center;
    background: linear-gradient( 252deg, #487FEB 0%, #48ABF8 100%);
    border-radius: 0.63rem;
    margin-top: 4.94rem;
    cursor: pointer;
    overflow: hidden;
    transition: all .5s ease;
}

.block3_r_img {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 31.44rem;
    height: 31.44rem;
    margin-right: 1.13rem;
    background-size: contain;
}

.block4 {
    position: relative;
    overflow: hidden;
    width: 100%;
    height: 56.25rem;
    background-image: url('../images/index/block4_bg1.png');
}

.block4_tit {
    color: #000;
    font-size: 2.5rem;
    font-weight: 600;
    font-family: PingFangSC, PingFang SC;
    text-align: center;
    margin-top: 6.75rem;
}

.block4_nav {
    width: 54.88rem;
    height: 5.06rem;
    background: #fff;
    box-shadow: 0 0 0.44rem 0 #D2DDEF;
    border-radius: 0.56rem;
    margin: 2.13rem auto 0;
    padding: 0 0.31rem;
}

.block4_nav_item {
    flex: 1;
    height: 4.5rem;
    line-height: 4.5rem;
    color: #000;
    font-size: 1.69rem;
    font-weight: 400;
    font-family: PingFangSC, PingFang SC;
    text-align: center;
    cursor: pointer;
}

.block4_nav .active {
    position: relative;
    width: 27.02rem;
    color: #fff;
    background: linear-gradient( 307deg, #286CFF 0%, #5C99FF 100%);
    box-shadow: 0 0.13rem 0.25rem 0 #D2DDEF;
    border-radius: 0.56rem;
    overflow: hidden;
    transition: all .3s ease;
}

.block4_main {
    position: relative;
    width: 90rem;
    height: 31.25rem;
    background: linear-gradient( 163deg, rgba(252, 255, 255, .6) 0%, rgba(216, 236, 252, .6) 100%);
    border: 0.19rem solid #fff;
    border-radius: 2.44rem;
    margin: 3.31rem auto 0;
}

.block4_info {
    margin-top: 2.2rem;
    margin-left: 6rem;
}

.block4_info_l {
    width: 1.94rem;
    height: 2.19rem;
}

.block4_info_r {
    width: 55.19rem;
    line-height: 2.31rem;
    color: #000000;
    font-family: PingFangSC, PingFang SC;
    margin-left: 1.5rem;
}

.block4_info_r_tit {
    font-size: 1.56rem;
    font-weight: 600;
    margin-bottom: 0.45rem;
}

.block4_info_r_cont {
    font-size: 1.25rem;
    font-weight: 400;
}

.block4_img {
    margin-top: 1.8rem;
    margin-left: 9.44rem;
}

.block4_img_item {
    margin-right: 3.44rem;
}

.block4_img_item_img {
    width: 6.25rem;
    height: 6.25rem;
}

.block4_img_item_tit {
    color: #000;
    font-size: 1rem;
    font-weight: 400;
    font-family: PingFangSC, PingFang SC;
    margin-top: 0.56rem;
}

.block5 {
    position: relative;
    overflow: hidden;
    width: 100%;
    height: 56.25rem;
    background-image: url('../images/index/block5_bg.png');
}

.block5_t1 {
    color: #000;
    font-size: 2.5rem;
    font-weight: 600;
    font-family: PingFangSC, PingFang SC;
    text-align: center;
    margin-top: 8.63rem;
}

.block5_t2 {
    color: #666;
    font-size: 1.56rem;
    font-weight: 300;
    font-family: STXingkaiSC, STXingkaiSC;
    text-align: center;
    margin-top: 0.56rem;
}

.block5_list {
    position: relative;
    width: 90rem;
    height: 36.25rem;
    background: #F0F3FB;
    border: 0.19rem solid #E3EBF5;
    border-radius: 2.5rem;
    margin: 2.44rem auto 0;
}

.block5_item {
    position: absolute;
    animation: pulse var(--duration) ease-in-out infinite; /* 添加动画效果 */
    animation-delay: var(--delay); /* 缩放中心点 */
}

.block5_item:nth-child(1) {
    top: 2.5rem;
    left: 11.31rem;
    width: 9.19rem;
    height: 9.19rem;
    background-image: url('../images/index/logo_1.png');
}
.block5_item:nth-child(2) {
    top: 3.13rem;
    left: 23.56rem;
    width: 7.94rem;
    height: 7.94rem;
    background-image: url('../images/index/logo_2.png');
}
.block5_item:nth-child(3) {
    top: 4.06rem;
    left: 41.19rem;
    width: 9.19rem;
    height: 9.19rem;
    background-image: url('../images/index/logo_3.png');
}
.block5_item:nth-child(4) {
    top: 8.56rem;
    left: 51.56rem;
    width: 7.94rem;
    height: 7.94rem;
    background-image: url('../images/index/logo_4.png');
}
.block5_item:nth-child(5) {
    top: 4.88rem;
    left: 61.75rem;
    width: 10.31rem;
    height: 10.31rem;
    background-image: url('../images/index/logo_5.png');
}
.block5_item:nth-child(6) {
    top: 11.38rem;
    left: 19.31rem;
    width: 7.94rem;
    height: 7.94rem;
    background-image: url('../images/index/logo_21.png');
}
.block5_item:nth-child(7) {
    top: 9.13rem;
    left: 30.44rem;
    width: 8.88rem;
    height: 8.88rem;
    background-image: url('../images/index/logo_7.png');
}
.block5_item:nth-child(8) {
    top: 14.19rem;
    left: 42.5rem;
    width: 6.69rem;
    height: 6.69rem;
    background-image: url('../images/index/logo_8.png');
}
.block5_item:nth-child(9) {
    top: 13.88rem;
    left: 70.31rem;
    width: 8.44rem;
    height: 8.44rem;
    background-image: url('../images/index/logo_9.png');
}
.block5_item:nth-child(10) {
    top: 18.75rem;
    left: 13.69rem;
    width: 8.25rem;
    height: 8.25rem;
    background-image: url('../images/index/logo_10.png');
}
.block5_item:nth-child(11) {
    top: 17.56rem;
    left: 25.13rem;
    width: 6.44rem;
    height: 6.44rem;
    background-image: url('../images/index/logo_20.png');
}
.block5_item:nth-child(12) {
    top: 19.44rem;
    left: 34.94rem;
    width: 6.88rem;
    height: 6.88rem;
    background-image: url('../images/index/logo_12.png');
}
.block5_item:nth-child(13) {
    top: 19.06rem;
    left: 48.5rem;
    width: 8.38rem;
    height: 8.38rem;
    background-image: url('../images/index/logo_13.png');
}
.block5_item:nth-child(14) {
    top: 16.44rem;
    left: 59.75rem;
    width: 9.19rem;
    height: 9.19rem;
    background-image: url('../images/index/logo_21.png');
}
.block5_item:nth-child(15) {
    top: 25.38rem;
    left: 21.38rem;
    width: 8.38rem;
    height: 8.38rem;
    background-image: url('../images/index/logo_15.png');
}
.block5_item:nth-child(16) {
    top: 26.63rem;
    left: 31.94rem;
    width: 6.38rem;
    height: 6.38rem;
    background-image: url('../images/index/logo_16.png');
}
.block5_item:nth-child(17) {
    top: 25.19rem;
    left: 41.13rem;
    width: 8.25rem;
    height: 8.25rem;
    background-image: url('../images/index/logo_17.png');
}
.block5_item:nth-child(18) {
    top: 27rem;
    left: 54.63rem;
    width: 6.38rem;
    height: 6.38rem;
    background-image: url('../images/index/logo_18.png');
}
.block5_item:nth-child(19) {
    top: 22.88rem;
    left: 64.13rem;
    width: 9.19rem;
    height: 9.19rem;
    background-image: url('../images/index/logo_19.png');
}
.block5_item_img6 {
    position: relative;
    right: 0.1rem;
    bottom: 0.13rem;
    width: 4.81rem;
    height: 4.56rem;
    background-image: url('../images/index/logo_6.png');
}
.block5_item_img11 {
    width: 5.06rem;
    height: 1.31rem;
    background-image: url('../images/index/logo_11.png');
}
.block5_item_img14 {
    width: 5.25rem;
    height: 1.63rem;
    background-image: url('../images/index/logo_14.png');
}

.block6 {
    position: relative;
    overflow: hidden;
    width: 100%;
    height: 56.25rem;
    background-image: url('../images/index/block6_bg1.png');
}

.block6_img {
    position: relative;
    left: -19rem;
    width: 42.06rem;
    height: 16.75rem;
    margin-top: 3.25rem;
}

.block6_main {
    width: 90.81rem;
    height: 31.31rem;
    margin-top: -1rem;
    background-image: url('../images/index/block6_bg3.png');
}

.block6_item {
    margin-bottom: 1.5rem;
}

.block6_item:first-of-type {
    margin-top: 4rem;
}

.block6_item:nth-child(3) {
    margin-bottom: 0;
}

.block6_item_tit {
    position: relative;
    width: 6.29rem;
    color: #000;
    font-size: 1rem;
    font-weight: 500;
    font-family: PingFangSC, PingFang SC;
    text-align: right;
    margin-right: 0.44rem;
}

.error,
.error2 {
    display: none;
    position: absolute;
    top: 2.25rem;
    left: 7.152rem;
    color: #ff3333;
    font-size: 0.75rem;
    white-space: nowrap;
}

.error2 {
    top: 8.3rem;
}

.block6_item_inputl,
.block6_item_inputr {
    height: 2.8rem;
    line-height: 2.8rem;
    font-size: 0.8rem;
    background: #fff;
    border: 0.0625rem solid #F2F3F8;
    border-radius: 0.3125rem;
    padding: 0 1rem;
}

.block6_item_inputl {
    width: 17.4rem;
}

.block6_item_inputr {
    width: 25.6rem;
}

.block6_item_textarea {
    resize: none;
    width: 52.77rem;
    height: 8.13rem;
    font-size: 0.8rem;
    background: #fff;
    border: 0.06rem solid #F2F3F8;
    border-radius: 0.31rem;
    padding: 0.6rem;
}

.block6_item_inputl:focus-visible,
.block6_item_inputr:focus-visible,
.block6_item_textarea:focus-visible {
    outline: none;
    box-shadow: 0 0.125rem 0.5rem rgba(59, 119, 246, 0.2);
}

.block6_btn {
    position: relative;
    width: 11.31rem;
    height: 3.13rem;
    line-height: 3.13rem;
    color: #FFF;
    font-size: 1.25rem;
    font-weight: 500;
    font-family: PingFangSC, PingFang SC;
    text-align: center;
    background: linear-gradient( 252deg, #487FEB 0%, #48ABF8 100%);
    border-radius: 0.63rem;
    margin: 3rem auto 0;
    cursor: pointer;
    overflow: hidden;
    transition: all .5s ease;
}

.blue {
    color: #002E96;
}

.red {
    color: #C01A20;
}

.mt20 {
    margin-top: 1.25rem;
}

.mt98 {
    margin-top: 6.125rem;
}

.mg67 {
    margin-top: 4.1875rem;
}

.disShow {
    display: none;
}

/* 闪光效果 */
.block3_r_btn:hover::before,
.block6_btn:hover::before,
.block4_nav .active:hover::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.3) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    animation: shine 0.8s ease;
}

/* 鼠标悬停时按钮的轻微放大效果（可选） */
.block3_r_btn:hover,
.block6_btn:hover {
    transform: scale(1.02);
    box-shadow: 0 5px 15px rgba(72, 127, 235, .4);
}

/* 定义闪光动画 */
@keyframes shine {
    0% {
        left: -100%;
    }
    20% {
        left: 100%;
    }
    100% {
        left: 100%;
    }
}

.block5_item:nth-child(1) { --duration: 2.7s; --delay: 0s; }
.block5_item:nth-child(2) { --duration: 3.1s; --delay: 0.2s; }
.block5_item:nth-child(3) { --duration: 2.9s; --delay: 0.4s; }
.block5_item:nth-child(4) { --duration: 3.3s; --delay: 0.1s; }
.block5_item:nth-child(5) { --duration: 2.6s; --delay: 0.5s; }
.block5_item:nth-child(6) { --duration: 2.0s; --delay: 0.1s; }
.block5_item:nth-child(7) { --duration: 3.0s; --delay: 0.5s; }
.block5_item:nth-child(8) { --duration: 2.7s; --delay: 0.7s; }
.block5_item:nth-child(9) { --duration: 2.1s; --delay: 1.0s; }
.block5_item:nth-child(10) { --duration: 3.3s; --delay: 1.3s; }
.block5_item:nth-child(11) { --duration: 2.8s; --delay: 0.2s; }
.block5_item:nth-child(12) { --duration: 2.1s; --delay: 0.1s; }
.block5_item:nth-child(13) { --duration: 3.2s; --delay: 0.8s; }
.block5_item:nth-child(14) { --duration: 2.7s; --delay: 0.15s; }
.block5_item:nth-child(15) { --duration: 2.0s; --delay: 0.5s; }
.block5_item:nth-child(16) { --duration: 3.0s; --delay: 0.75s; }
.block5_item:nth-child(17) { --duration: 2.4s; --delay: 1.2s; }
.block5_item:nth-child(18) { --duration: 3.1s; --delay: 1.35s; }
.block5_item:nth-child(19) { --duration: 2.5s; --delay: 0.1s; }

/* 定义脉冲动画 */
@keyframes pulse {
    0% {
        transform: scale(1);
        filter: drop-shadow(0 0 5px rgba(173, 216, 230, 0.2));
    }
    50% {
        transform: scale(1.06);
        filter: drop-shadow(0 0 15px rgba(173, 216, 230, 0.4));
    }
    100% {
        transform: scale(1);
        filter: drop-shadow(0 0 5px rgba(173, 216, 230, 0.2));
    }
}