.container {
    overflow-x: hidden;
}
.about {
    overflow: hidden;
}
.about img {
    margin-top: -8px;
    width: 100%;
}
.sanfeng {
    padding: 50px 0;
    background-color: #fff;
}
.sanfeng ul {
    width: calc(100% - 90px);
    display: flex;
    margin: 0 auto;
     gap: 10px;
}
.sanfeng li {
    display: flex;
    flex: 1;
    flex-direction: column;
    align-items: center;
    justify-content: center;
   
}
.sanfeng li .top {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 14px 0;
}
.sanfeng li .top img {
    
}
.sanfeng.active li .top img {
    animation: topImgMove 1.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes topImgMove {
    0% {
        opacity: 1;
        transform: translateY(0);
        max-height: 200px; /* 确保足够大，不限制初始大小 */
        margin-bottom: 0;
    }
    60% {
        /* 0%-60%：一边位移，一边渐隐直至完全消失 */
        opacity: 0;
        transform: translateY(120px);
        max-height: 200px;
        margin-bottom: 0;
    }
    100% {
        /* 60%-100%：收缩高度，释放空间 */
        opacity: 0;
        transform: translateY(120px);
        max-height: 0;
        margin-bottom: -30px; /* 收缩更多以确保彻底不占位 */
    }
}
.sanfeng li .top span {
    padding: 0 4px;
    font-size: 15px;
    font-weight: bold;
    color: #F47836;
}
.sanfeng li p {
    margin-top: 18px;
    text-align: center;
    font-size: 12px;
    color: #606060;
}
.sanfeng .box {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px 0 50px;
    min-height: 24px;
}

.sanfeng .box img {
    opacity: 0;
    height: 0;
}
.sanfeng.active .box img {
    height: 32px;
    animation: boxImgIn 1.5s cubic-bezier(0.4, 0, 0.2, 1) 1.2s forwards;
}

@keyframes boxImgIn {
    0% {
        opacity: 0;
        transform: translateY(-80px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.chuxin {
    padding: 8px 18px;
    border-radius: 25px;
    background: linear-gradient(180.00deg, rgba(250, 250, 250, 1),rgba(246, 246, 248, 1) 100%); 
}

.spc h3 {
    font-size: 20px;
    color: #F47836;
}
.spc h3 p {
    color: #A0A0A0;
}
.spc h4 {
    font-weight: normal;
    text-align: center;
    font-size: 15px;
}
.chuxin > img {
    max-width: 100%;
    margin: 25px 0;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
    display: block;
    text-align: center;
}
.chuxin .content p {
    padding: 0 22px;
    line-height: 1.8;
    margin-bottom: 12px;
    font-size: 12px;
    color: #7D8796;
}
.chuxin .content p span {
    color: #000000;
}
.chuxin .content p em {
    color: #F47836;
}

.flow-arrow-bg {
    position: relative;
}

.flow-arrow-bg .bg {
    position: absolute;
    width: 100%;
    height: 89%;
    z-index: -1;
    top: -22px;
    opacity: 0;
    clip-path: inset(0% 0% 100% 0%);
}

.flow-arrow-bg.active .bg {
    animation: bgReveal 1.5s ease forwards;
}

@keyframes bgReveal {
    0% {
        opacity: 0;
        clip-path: inset(0% 0% 100% 0%);
    }
    100% {
        opacity: 1;
        clip-path: inset(0% 0% 0% 0%);
    }
}

.banner3 {
    position: relative;
}

.banner3 img {
    width: 100%;
}
.banner3 .spc h3 {
    position: absolute;
    left: 20px;
    top: 40px;
}

.sp {
    margin: 20px 0;
    display: flex;
    justify-content: center;
}

/* 毛玻璃效果按钮 */
.sp a {
    width: 196px;
    height: 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 10px 12px 20px;
    border-radius: 25px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    background: rgba(250, 250, 250, .6);
    box-sizing: border-box;
}

.sp.on a {
    background: rgba(234, 233, 238, 0.5);
}


.sp a span {
    flex: 1;
    text-align: center;
    font-size: 12px;
    font-weight: bold;
}
.sp a img {

}
/* sticky按钮 - 滚动到模块时出现，到底部时固定 */
.sp-sticky {
    position: sticky;
    bottom: 20px;
    margin-top: 20px;
    z-index: 10;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s, transform 0.3s;
}

.sp-sticky.visible a {
    
}

.sp-sticky.stuck a {
    background: rgba(234, 233, 238, 0.5);
}

.sp-sticky.visible {
    opacity: 1;
    transform: translateY(0);
}


#spBtn2 {
    margin-top: 10px;
}

.zaofu {
    padding-top: 40px;
    padding-bottom: 40px;
    background-color: #fff;
    overflow: hidden;
}

.swiper-about {
    padding-bottom: 20px;
}

.aboutSwiper {
    margin-top: 20px;
    padding: 10px 0 30px;
    margin-left: -10px;
    margin-right: -10px;
    padding-left: 10px;
    padding-right: 10px;
    background: url('../image/about-slidebg.png') no-repeat center center;
    background-size: 100%;
}

.aboutSwiper .swiper-wrapper {
    align-items: stretch;
}

.aboutSwiper .swiper-slide {
    height: auto;
    background: #fff;
    border-radius: 25px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgb(96, 96, 96, 0.2);
}

.aboutSwiper .slide-title {
    padding: 14px 20px 25px;
    font-size: 15px;
    font-weight: bold;
    color: #F47836;
    text-align: center;
}

.aboutSwiper .slide-img {
    width: 100%;
    height: 130px;
    overflow: hidden;
    position: relative;
}

.aboutSwiper .slide-img img,
.aboutSwiper .slide-img video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.aboutSwiper .slide-img video {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
}

.aboutSwiper .slide-desc {
    padding: 30px 16px;
}

.aboutSwiper .slide-desc p {
    font-size: 12px;
    color: #666;
}

.aboutSwiper .slide-desc em {
    font-style: normal;
    font-size: 13px;
    color: #F47836;
    line-height: 1.8;
}

.aboutSwiper .swiper-pagination {
    bottom: 0;
}

.aboutSwiper .swiper-pagination-bullet {
    width: 8px;
    height: 8px;
    background: #ccc;
    opacity: 1;
}

.aboutSwiper .swiper-pagination-bullet-active {
    background: #F47836;
}

/* 业务种类轮播 */
.businessSwiper {
    padding: 10px 10px 40px;
    margin-left: -10px;
    margin-right: -10px;
}

.businessSwiper .swiper-wrapper {
    align-items: stretch;
}

.businessSwiper .swiper-slide {
    height: auto;
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.businessSwiper .slide-title {
    padding: 13px 0 17px;
    font-size: 15px;
    color: #F47836;
    text-align: center;
}

.businessSwiper .slide-img {
    width: 100%;
    height: 160px;
    overflow: hidden;
}

.businessSwiper .slide-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.businessSwiper .slide-desc {
    padding: 20px;
}

.businessSwiper .slide-desc p {
    font-size: 12px;
    color: #606060;
    line-height: 1.8;
}

.businessSwiper .swiper-pagination {
    bottom: 0;
}

.businessSwiper .swiper-pagination-bullet {
    width: 8px;
    height: 8px;
    background: #ccc;
    opacity: 1;
}

.businessSwiper .swiper-pagination-bullet-active {
    background: #F47836;
}

/* 业务流程 */
.flow-section {
    padding: 30px 0 0;
}

.flow-top {
    display: inline-block;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
    margin: 25px 0 0;
    padding: 19px 20px;
    color: #F47836;
    border-radius: 15px;
    text-align: center;
    background-color: #F5F5F5;
}

.flow-top p {
    font-size: 15px;
    color: #F47836;
}

.flow-arrow {
    display: flex;
    justify-content: center;
    padding: 15px 0 25px;
}

.flow-arrow-inner {
    display: flex;
    align-items: center;
    position: relative;
    width: 60px;
    height: 28px;
    background: #e0e0e0;
    border-radius: 14px;
    transition: background 0.3s ease;
}

.flow-arrow-inner::after {
    content: '授权';
    position: absolute;
    left: 8px;
    font-size: 12px;
    color: #fff;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.flow-arrow-inner img {
    position: absolute;
    left: 4px;
    width: 20px;
    height: 20px;
    transition: left 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* 开关激活状态 - 滑动到右边 */
.flow-arrow.active .flow-arrow-inner {
    background: #F47836;
}

.flow-arrow.active .flow-arrow-inner::after {
    opacity: 1;
}

.flow-arrow.active .flow-arrow-inner img {
    left: 36px;
}

.flow-cards {
    display: flex;
    gap: 10px;
    justify-content: space-between;
}

.flow-card {
    flex: 1;
    background: #F5F5F5;
    border-radius: 15px;
    padding: 20px 10px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.flow-icon {
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
}

.flow-icon img {
    
}

.flow-title {
    font-size: 13px;
    font-weight: bold;
    color: #333;
    margin-bottom: 8px;
}

.flow-desc {
    font-size: 11px;
    color: #999;
}

.flow-bottom {
    text-align: center;
    padding: 25px 0 0;
}

.flow-user-icon {
    margin-bottom: 5px;
}

.flow-user-icon img {
    width: 32px;
}

.flow-user-text {
    font-size: 14px;
    color: #333;
    font-weight: bold;
}

/* 视频弹窗 */
.video-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 9999;
    justify-content: center;
    align-items: center;
}
.video-modal.show {
    display: flex;
}
.video-modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 36px;
    color: #fff;
    cursor: pointer;
    z-index: 10000;
}
.video-modal-content {
    width: 90%;
    max-width: 800px;
}
.video-modal-content video {
    width: 100%;
    border-radius: 10px;
}