@media (max-width: 768px) {
    body {
        padding: 0;
        margin: 0;
        /* background-image: linear-gradient(180deg, #696CC2 0%, #00B589 100%); */
        width: 100vw;
        min-height: 100vh;
        overflow-x: hidden;
        position: relative;
        background: url('./bg2.png') no-repeat center center fixed;
        background-size: cover;
    }

    header {
        display: flex;
        align-items: center;
        justify-content: center;
        flex-direction: column;
        padding-top: 5rem;
        /* background-color: #fff; */
    }

    .web-title-inner {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 1rem;
        margin-bottom: 4vh;
    }

    .header-logo {
        height: 3.5rem;
    }

    .web-title-inner-text {
        font-size: 2rem;
        color: #2492FE;
        font-weight: 400;
        font-family: PingFangSC-Medium;
    }

    .downPng {
        width: 18px;
        height: 18px;
        margin-right: 10px;
    }

    .web-btns {
        display: flex;
        gap: 1.25rem;
    }

    .pc-des-png {
        display: none;
    }

    .btn-group {
        display: grid;
        width: 100%;
        padding-bottom: 5vh;
    }

    .btn {
        width: 10rem;
        height: 3rem;
        background: linear-gradient(270deg, #FF54B2 0%, #FF9860 100%);
        border-radius: 2rem;
        border: none;
        font-family: PingFangSC-Medium;
        font-size: 20px;
        color: #FFFFFF;
        letter-spacing: 0;
        font-weight: 500;
    }

    #h5-btn {
        width: 40vw;
        justify-self: center;
    }

    footer {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 100vw;
        position: relative;

    }

    .bg-png {
        position: absolute;
        top: 0;
        width: 0;
        height: 0;
        border-top: 20vh solid transparent;
        /* 三角形底边的长度 */
        border-right: 100vw solid #fff;
        /* 三角形的高度和颜色 */
        transform: scale(-1);
    }

    .web-footer-des {
        width: 62vw;
        height: 58vh;
        position: relative;
    }

    .des-png {
        position: absolute;
        top: 0;
        width: 59vw;
        height: 56vh;

    }
}


@media (min-width: 769px) {
    body {
        padding: 0;
        margin: 0;
        background: url('./bg1.png') no-repeat center center fixed;
        background-size: cover;
        /* min-height: 100vh; */
        width: 100vw;
        overflow-x: hidden;
        display: flex;
        align-items: center;
        justify-content: flex-start;
        flex-direction: column;
        position: relative;
        padding-bottom: 60px;
        /* 为备案信息留出空间 */
    }

    header {
        display: flex;
        padding-top: 10vh;
        height: 25vh;
        z-index: 1;
        flex-direction: row-reverse;
        gap: 4rem;
    }

    .web-title-inner {
        display: flex;
        align-items: center;
        justify-content: left;
        gap: 1rem;
    }

    .header-logo {
        height: 7.5rem;
    }

    .web-title-inner-text {
        font-size: 5rem;
        color: #2492FE;
        font-weight: 400;
        font-family: PingFangSC-Medium;
    }

    .pc-des-png {
        display: flex;
    }

    .web-btns {
        display: flex;
    }

    .web-title {
        display: flex;
        flex-direction: column;
        margin-top: 8vh;

    }

    .des1-png {
        height: 42rem;
    }

    .des2-png {
        width: 18vh;
        height: 38vh;
        margin-top: 12vh;
        margin-left: 1vh;
    }

    .downPng {
        width: 24px;
        height: 24px;
        margin-right: 10px;
    }

    .btn-group {
        display: none;
    }

    .btn {
        margin-top: 64px;
        margin-right: 20px;
        width: 180px;
        height: 54px;
        background: linear-gradient(270deg, #FF54B2 0%, #FF9860 100%);
        border-radius: 34px;
        border: none;
        font-family: PingFangSC-Medium;
        font-size: 20px;
        color: #FFFFFF;
        letter-spacing: 0;
        font-weight: 500;
        opacity: 1;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        /* box-shadow: 0px 6px 0px 0px #1777D7; */

    }

    .btn:hover {
        opacity: 0.8;
    }

    footer {
        position: relative;
        width: 100%;
        margin-bottom: 60px;
    }

    .web-footer-des {
        display: none;
    }
}

.fixed-bottom-link {
    position: fixed;
    bottom: 0px;
    left: 0;
    right: 0;
    text-align: center;
    padding: 10px;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 9999;
    display: block;
    /* 确保显示 */
}

.fixed-bottom-link a {
    display: inline-block;
    color: #fff;
    margin: 0 5px;
}

.beian,
.email-footer {
    font-size: 12px;
    text-decoration: none;
    font-family: PingFangSC-Medium;
    color: #fff;
}

@media (max-width: 768px) {
    .fixed-bottom-link {
        bottom: 0px;
    }
}

.toast {
    position: fixed;
    top: 30%;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 10px 20px;
    background-color: #333;
    color: #fff;
    border-radius: 5px;
    font-size: 16px;
    opacity: 0;
    z-index: 2;
    transition: opacity 0.3s ease-in-out;
}

.toast.show {
    opacity: 1;
}

.wx-message {
    display: none;
}

.maskBg {
    width: 100%;
    height: 100%;
    position: fixed;
    background: rgba(0, 0, 0, .5);
}

.messageBg {
    width: 90%;
    padding: 3% 5%;
    position: fixed;
    opacity: 1;
}