.banner {
    position: relative;
    width: 100%;
    height: 738px;
    overflow: hidden;
    color: #fff
}



.banner>img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center
}

.banner .title {
    position: absolute;
    z-index: 2;
    top: 160px;
    left: 50%;
    width: min(90%, 760px);
    text-align: center;
    transform: translateX(-50%)
}

.banner .title h3 {
    margin: 0 0 20px;
    color: rgba(255, 255, 255, 1);
    font-family: OPPOSans;
    font-weight: 500;
    font-size: 46px;
    line-height: 61px;
}

.banner .title p {
    margin: 0;
    color: rgba(255, 255, 255, 1);
    font-family: OPPOSans;
    font-weight: 400;
    font-size: 20px;
    line-height: 30px;
}

.box-item {
    position: absolute;
    z-index: 2;
    top: 322px;
    left: 50%;
    display: flex;
    justify-content: center;
    gap: 30px;
    transform: translateX(-50%)
}

.box-item .item {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 260px;
    height: 319px;
    border-radius: 10px;
    background: rgba(238, 243, 248, .62);
    color: rgba(22, 85, 157, .58);
    border: 1px solid #f1f5f9;
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
}

.box-item .item a {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
}


.box-item .item svg {
    width: 68px;
    height: 68px;
  
}

.box-item .item p {
    margin: 0;
    color: rgba(22, 85, 157, 1);
    font-family: OPPOSans;
    font-weight: 500;
    font-size: 36px;
    line-height: 42px;
}

.box-item .item.active,
.box-item .item:nth-child(4) {
    background: rgba(255, 255, 255, .9);
    color: #16559d
}

.box-item .item.active::before,
.box-item .item:nth-child(4)::before {
    display: block;
    position: absolute;
    bottom: 31px;
    left: 50%;
    width: 48px;
    height: 2px;
    content: "";
    background: #d41826;
    transform: translateX(-50%)

}

.box-item .item.active::after,
.box-item .item:nth-child(4)::after {
    position: absolute;
    bottom: -11px;
    left: 50%;
    width: 0;
    height: 0;
    content: "";
    /* 下三角：透明左、透明右、底部填充色 */
    border-left: 11px solid transparent;
    border-right: 11px solid transparent;
    border-top: 11px solid rgba(255, 255, 255, .9);
    transform: translateX(-50%);
}


.page1 {
    position: relative;
    height: 147px;
    overflow: hidden;
    background: #fff;
}

.page1::before,
.page1::after {
    position: absolute;
    content: "";
}

.page1::before {
    z-index: 0;
    top: 80px;
    left: -2%;
    width: 104%;
    height: 67px;
    background: #c7e3fe;
    transform: skewY(-2.15deg);
    transform-origin: top left;
}

.page1::after {
    z-index: 1;
    inset: 0 0 auto;
    height: 80px;
    background: #205b9e;
}

.page1-inner.inner {
    position: relative;
    z-index: 2;
    height: 80px;
}

.page1 .nav {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 80px;
    gap: 98px;
    background: transparent;
}

.page1 .nav-item {
    position: relative;
    height: 100%;
}

.page1 .nav-item a {
    display: flex;
    align-items: center;
    height: 100%;
    color: rgba(255, 255, 255, .57);
    font-size: 20px;
    font-weight: 400;
    line-height: 1;
    text-decoration: none;
}

.page1 .nav-item:last-child a {
    color: #fff;
    font-weight: 600;
}

.page2 {}

.page2-num {
    width: fit-content;
    height: 28px;
    display: inline-flex;
    place-content: center;
    place-items: center;
    gap: 10px;
    flex-shrink: 0;
    padding: 0px 12px;
    border-radius: 4px;
    background: rgba(241, 245, 249, 1);

    color: rgba(98, 116, 142, 1);
    font-family: OPPOSans;
    font-weight: 400;
    font-size: 14px;
    line-height: 18px;
    letter-spacing: 5%;
    margin: 70px 0 50px;
}

.page2-num span {
    color: rgba(212, 24, 38, 1);
}



/* 瀑布流容器 */
.waterfall {
    /* 4列布局 */
    column-count: 4;
    /* 图片横向间隙 */
    column-gap: 14px;
    padding-bottom: 80px;
}

.waterfall-item {
    /* 禁止图片中间被截断 */
    break-inside: avoid;
    margin-bottom: 14px;
    border-radius: 4px;
    overflow: hidden;
}

.waterfall-item .waterfall-item-image {
    width: 100%;
    display: block;
    /* 图片自适应，不会拉伸 */
    height: auto;
}

.waterfall-item-image .el-image__inner {
    width: 100%;
    height: auto;
    display: block;
    cursor: zoom-in;
}

.pagination {
    margin: 70px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 42px;
    height: 68px;
}

.pagination .next,
.pagination .prev {
    width: 68px;
    height: 68px;
    border: 0;
    border-radius: 4px;
    background: #fff;
    box-shadow: 0px 10px 40px #d8d8d880;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pagination svg {
    width: 24px;
    height: 16px;
}

.pagination .page {
    display: flex;
    align-items: center;
    gap: 15px;
}

.pagination .page button,
.pagination .page span {
    width: 52px;
    height: 52px;
    padding: 0;
    border: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #292929;
    background: transparent;
    font-size: 25px;
    cursor: pointer;
}

.pagination .page button:hover,
.pagination .page button.active {
    border-radius: 8px;
    color: #fff;
    background: #165ca7;
}

.pagination .page span {
    width: 28px;
    color: #2781c3;
    cursor: default;
}


/* 响应式区域 */

@media (max-width: 1440px) {
    .banner {
        height: 650px;
    }

    .banner .title {
        top: 110px;
    }

    .box-item {
        top: 270px;
        gap: 20px;
    }

    .box-item .item {
        width: 220px;
        height: 270px;
    }

    .box-item .item p {
        font-size: 27px;
        line-height: 36px;
    }
}

@media (max-width: 1200px) {
    .banner {
        height: 590px;
    }

    .banner .title {
        top: 100px;
    }

    .banner .title h3 {
        margin-bottom: 14px;
        font-size: 40px;
        line-height: 52px;
    }

    .banner .title p {
        font-size: 18px;
        line-height: 28px;
    }

    .box-item {
        top: 235px;
        width: 92%;
        gap: 14px;
    }

    .box-item .item {
        flex: 1 1 0;
        width: auto;
        max-width: 220px;
        height: 250px;
    }

    .box-item .item svg {
        width: 60px;
        height: 60px;
    }

    .box-item .item p {
        font-size: 24px;
        line-height: 32px;
    }

    .box-item .item.active::before,
    .box-item .item:nth-child(4)::before {
        bottom: 25px;
    }

    .page1 {
        height: 126px;
    }

    .waterfall {
        column-count: 3;
    }
}

@media (max-width: 992px) {
    .banner {
        height: 690px;
    }

    .banner .title {
        top: 78px;
        width: min(88%, 680px);
    }

    .box-item {
        top: 205px;
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 250px));
        width: calc(100% - 48px);
        gap: 16px;
    }

    .box-item .item {
        width: 100%;
        max-width: none;
        height: 205px;
    }

    .box-item .item a {
        gap: 8px;
    }

    .box-item .item p {
        font-size: 22px;
        line-height: 30px;
    }

    .box-item .item.active::before,
    .box-item .item:nth-child(4)::before {
        bottom: 18px;
        width: 42px;
    }

    .page1,
    .page1-inner.inner,
    .page1 .nav,
    .page1::after {
        height: 70px;
    }

    .page1 {
        height: 112px;
    }

    .page1::before {
        top: 70px;
        height: 42px;
    }

    .page1 .nav {
        gap: 72px;
    }

    .page2-num {
        margin: 50px 0 36px;
    }

    .pagination {
        margin: 56px 0;
        gap: 26px;
    }
}

@media (max-width: 767px) {
    .banner {
        height: 570px;
    }

    .banner .title {
        top: 25px;
        width: calc(100% - 40px);
    }

    .banner .title h3 {
        margin-bottom: 10px;
        font-size: 32px;
        line-height: 42px;
    }

    .banner .title p {
        font-size: 15px;
        line-height: 23px;
    }

    .box-item {
        top: 160px;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        width: calc(100% - 32px);
        gap: 12px;
    }

    .box-item .item {
        height: 170px;
        border-radius: 8px;
    }
    
    .box-item .item svg {
        width: 50px;
        height: 50px;
    }

    .box-item .item p {
        font-size: 18px;
        line-height: 26px;
    }

    .box-item .item.active::before,
    .box-item .item:nth-child(4)::before {
        bottom: 14px;
        width: 36px;
    }

    .box-item .item.active::after,
    .box-item .item:nth-child(4)::after {
        bottom: -9px;
        border-right-width: 9px;
        border-left-width: 9px;
        border-top-width: 9px;
    }
    .box-item .item:not(:nth-child(4)) {
        opacity: 0.6;
    }
    .page1 {
        height: 92px;
    }

    .page1-inner.inner,
    .page1 .nav,
    .page1::after {
        height: 58px;
    }

    .page1::before {
        top: 58px;
        height: 34px;
    }

    .page1 .nav {
        gap: 48px;
    }

    .page1 .nav-item a {
        font-size: 17px;
    }

    .page2-num {
        margin: 36px 0 24px;
    }

    .waterfall {
        column-count: 2;
        column-gap: 10px;
    }

    .waterfall-item {
        margin-bottom: 10px;
    }

    .pagination {
        height: 46px;
        margin: 42px 0;
        gap: 10px;
    }

    .pagination .next,
    .pagination .prev {
        width: 46px;
        height: 46px;
    }

    .pagination svg { width: 24px; height: 16px; }

    .pagination .page {
        gap: 3px;
    }

    .pagination .page button,
    .pagination .page span {
        width: 38px;
        height: 38px;
        font-size: 17px;
    }

    .pagination .page span {
        width: 22px;
    }
}

@media (max-width: 480px) {
    .banner {
        height: 360px;
    }

    .banner .title {
        top: 38px;
        width: calc(100% - 28px);
    }

    .banner .title h3 {
        font-size: 27px;
        line-height: 36px;
    }

    .banner .title p {
        font-size: 14px;
        line-height: 21px;
    }

    .box-item {
        top: 146px;
        width: calc(100% - 24px);
        gap: 8px;
    }

    .box-item .item {
        height: 80px;
    }
.box-item .item a{
    display: flex;
    flex-direction:row;
}
    .box-item .item svg {
        width: 44px;
        height: 44px;
    }

    .box-item .item p {
        font-size: 16px;
        line-height: 23px;
    }

    .box-item .item.active::before,
    .box-item .item:nth-child(4)::before {
        bottom: 12px;
        width: 32px;
        display: none;
    }

    .page1 .nav {
        gap: 38px;
    }

    .page2-num {
        height: 26px;
        margin: 30px 0 20px;
        font-size: 13px;
    }

    .waterfall {
        column-count: 1;
        padding-bottom: 40px;
    }

    .pagination {
        margin: 34px 0 40px;
        gap: 6px;
    }

    .pagination .next,
    .pagination .prev {
        width: 40px;
        height: 40px;
    }

    .pagination .page button,
    .pagination .page span {
        width: 32px;
        height: 32px;
        font-size: 15px;
    }

    .pagination .page span {
        width: 17px;
    }
}

/* Hover interactions */
.box-item .item { transition: background-color .3s ease, color .3s ease, opacity .3s ease, transform .3s ease; }
.box-item .item:hover { background: rgba(255,255,255,.9); color: #16559d; opacity: 1; transform: translateY(-4px); }
.page1 .nav-item a { transition: color .25s ease; }
.page1 .nav-item a:hover { color: #fff; }
.waterfall-item-image .el-image__inner { transition: transform .35s ease; }
.waterfall-item-image:hover .el-image__inner { transform: scale(1.08); }