body {
    margin: 0;
    padding: 0;
}

.header {
    padding-top: 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: #F5F5F7;
}

.header .main-title {
    color: #111;
    font-size: 50px;
    font-style: normal;
    font-weight: 600;
    line-height: 140%;
    text-align: center;
    /* 70px */
}

.header .main-title span {
    color: #111;
    font-size: 40px;
    font-style: normal;
    font-weight: 600;
    line-height: 140%;
    /* 70px */
}

.header .subtitle {
    margin-top: 20px;
    margin-bottom: 40px;
    color: #606060;
    text-align: center;
    font-size: 17px;
    font-style: normal;
    font-weight: 400;
    line-height: 27px;
}

.header .download-btn {
    display: flex;
    /* width: 162px;
    height: 60px; */
    padding: 16px 30px;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
    border-radius: 10px;
    background-color: #007AFF;
    gap: 5px;
    animation: float 2s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(5px);
    }

    50% {
        transform: translateY(-5px);
    }
}

.header .download-btn:hover {
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px 0 #A5D0FF;
}


.header .download-btn span {
    color: #FFFFFF;
    font-size: 20px;
    font-weight: 600;
}

.header img {
    margin-top: 42px;
}

.main {
    display: flex;
    align-items: center;
    flex-direction: column;
    background-color: #F5F5F7;
    padding-top: 70px;
    padding-bottom: 80px;
}

.main .section1 {
    display: flex;
    flex-direction: row;
    gap: 30px;
    position: relative;
    margin-top: 50px;
    margin-bottom: 40px;
}

.main .function {
    width: 450px;
    height: 700px;
    flex-shrink: 0;
    border-radius: 30px;
    background: #FFF;
    padding: 40px;
}

.main .download-btn {
    margin-top: 40px;
}

.main .download-btn:hover {
    transition: all 0.3s ease;
    background-color: #007AFF;
}

.main .function .download-btn:hover span {
    transition: all 0.3s ease;
    color: white;
}


.main .function1 img {
    position: absolute;
    left: 0;
    bottom: 0;
    border-radius: 0 0 0 30px;
}

.main .function .main-title {
    color: #111;
    font-size: 26px;
    font-weight: 600;
}

.main .function .subtitle {
    color: #555;
    font-size: 18px;
    font-weight: 400;
    line-height: 170%;
    /* 30.6px */
}

.main .function .download-btn {
    display: flex;
    width: 162px;
    height: 60px;
    padding: 18px 8px;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
    border-radius: 10px;
    border: 2px solid #007AFF;
}

.main .function .download-btn span {
    color: #007AFF;
    font-size: 20px;
    font-weight: 600;
}

.main .function2 img {
    margin-top: 134px;
}

.main .function3 {
    width: 930px;
    height: 620px;
    flex-shrink: 0;
    border-radius: 30px;
    background: #FFF;
    padding: 40px;
}

.main .section3 {
    display: flex;
    flex-direction: row;
    gap: 30px;
    position: relative;
}

.function-content {
    display: flex;
    align-items: center;
    flex-direction: row;
    justify-content: space-between;
}


.main .function3 .download-btn {
    margin-top: 0;
}

.main .function3 .function-img {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 30px;
}

.main .function4 img {
    position: absolute;
    left: 0;
    bottom: 38px;
    border-radius: 0 0 0 30px;
}

.main .function5 img {
    position: absolute;
    right: 0;
    bottom: 0;
    border-radius: 0 0 30px 0;
}

.main .function4,
.main .function5 {
    height: 634px;
}

.user-respect {
    height: 492px;
    flex-shrink: 0;
    background-color: #FFF;
    padding: 70px 0;
}

.user-respect>p {
    color: #262626;
    text-align: center;
    font-size: 40px;
    font-weight: 600;
    margin: 0 0 40px 0;
}

.user-content {
    width: 1028px;
    /* 固定容器宽度：显示两个卡片 */
    height: 232px;
    overflow: hidden;
    position: relative;
}

.user-slider {
    display: flex;
    align-items: center;
    gap: 30px;
    width: 1557px;
    /* 三个卡片的总宽度：499*3 + 30*2 */
    transition: transform 0.5s ease;
    transform: translateX(0);
}

.user-slider.slide-left {
    transform: translateX(-529px);
    /* 向左滑动一个卡片宽度 + 间距 */
}

.user-respect .user {
    width: 499px;
    height: 232px;
    flex-shrink: 0;
    border-radius: 10px;
    background: #F8F8F8;
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.user-respect .user p {
    color: #333;
    font-size: 16px;
    font-weight: 400;
    line-height: 150%;
    margin: 0;
    text-align: left;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 20px;
}

.user-info img {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
}

.user-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.user-name {
    color: #000000;
    font-size: 16px;
    font-weight: 600;
}

.user-title {
    color: #909B99;
    font-size: 14px;
    font-weight: 400;
}

.download-content {
    display: flex;
    height: 154px;
    /* padding: 47px 309px; */
    justify-content: center;
    align-items: center;
    gap: 40px;
    background: #007AFF;
}

.download-content p {
    color: #FFF;
    font-size: 32px;
    font-weight: 500;
    margin: 0;
}

.download-content .download-btn {
    display: flex;
    width: 162px;
    height: 60px;
    padding: 18px 8px;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
    border-radius: 10px;
    background-color: #FFF;
    text-decoration: none;
}

.download-content .download-btn {
    animation: float 2s ease-in-out infinite;
}

.download-content .download-btn span {
    color: #007AFF;
    font-size: 20px;
    font-weight: 600;
    transition: all 0.3s ease;

}

.download-content .download-btn:hover {
    box-shadow: 0 4px 10px 0 #0072EF;
    text-decoration: none;
}

/* 用户反馈导航按钮样式 */
.user-feedback-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    position: relative;
}

.nav-btn {
    border: none;
    background: none;
    padding: 0;
    cursor: pointer;
    transition: all 0.3s ease;
    outline: none;
}

.nav-btn:hover {
    transform: scale(1.05);
    border: none;
}

.nav-btn:active {
    transform: scale(0.95);
    border: none;
}

.nav-btn:focus {
    outline: none;
    border: none;
}

.nav-btn svg {
    width: 36px;
    height: 36px;
}

.download-btn {
    cursor: pointer;
    text-decoration: none;
}

.download-btn:hover {
    text-decoration: none;
}

.header img {
    width: 747px;
}

.function1 img {
    width: 450px;
}

.function2 img {
    width: 376px;
}

.function3 img {
    width: 681px;
}

.function4 img {
    width: 422px;
}

.function5 img {
    width: 450px;
}