body,
div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
form,
fieldset,
legend,
input,
textarea,
button,
p,
blockquote,
th,
td {
    margin: 0;
    padding: 0;
}

body {
    background: #f1f1f1;
    text-align: center;
    font-family: 'HarmonyOS-Regular';
}

li {
    list-style: none;
}

a {
    text-decoration: none;
}

img {
    border: none;
}

body {
    max-width: 100vw;
    overflow-x: hidden;
    /* 可选，以防止任何内部元素超出 */
    background-color: rgba(245, 245, 245, 1) !important;
}

.middle {
    position: relative;
    width: 100vw;
    margin-top: 3vw;
    display: flex;
    flex-direction: column;
    align-items: center;
    font-family: HarmonyOS Sans SC;
}

.banner {
    width: 100vw;
    height: 43.0208vw;
    overflow: hidden;
    color: #fff;
    position: relative;

}

.banner .banner-video {
    position: absolute;
    left: 0;
    width: 100%;
    top: -6.5vw;
    z-index: -1;
}

.banner .title {
    font-size: 1.3542vw;
    margin-top: 12.5vw;
    margin-bottom: 3.125vw;
    font-weight: 700;
    line-height: 1.587vw;
    z-index: 2;
}

.banner .text {
    font-size: 0.8333vw;
    width: 46.875vw;
    text-align: left;
    margin: 0 auto;
    font-weight: 300;
    line-height: 1.5625vw;
    z-index: 2;
    text-align: justify;
}

.banner a {
    width: 6.7708vw;
    height: 2.1875vw;
    display: flex;
    margin: 0 auto;
    align-items: center;
    justify-content: center;
    color: #fff;
    background-color: #10069F;
    border-radius: 1.0938vw;
    border-width: 0.0547px;
    border-style: solid;
    border-color: rgba(255, 255, 255, 1);
    margin-top: 6.25vw;
    z-index: 2;
    font-size: 0.9375vw;
    line-height: 0.9375vw;
}

.banner .banner-bg {
    opacity: 0.7;
    background: rgba(0, 0, 0, 1);
    z-index: 1;
    width: 100vw;
    height: 43.0208vw;
    position: absolute;
}

.middle .strength {
    margin-top: 6.5625vw;
    padding: 0 0 0 20vw;
    position: relative;
    width: 79.1667vw;
}

.middle .strength h4 {
    font-family: 'HarmonyOS';
    font-size: 1.7vw;
    font-weight: normal;
    text-align: start;
    color: #383838;
    display: block;
}

.middle .strength .text {
    padding-left: 2.45vw;
    padding-right: 2.45vw;
}

.middle .carousel2 {
    position: relative;
    overflow: hidden;
}

.middle .carousel2-container {
    display: flex;
    gap: 2vw;
    transition: transform 0.5s ease-in-out;
}

.middle .carousel2-item {
    background-color: #fff;
    border-radius: 1vw;
    height: auto;
    padding-bottom: 2.2vw;
    position: relative;
    display: flex;
    flex-direction: column;
}

.middle .carousel2-item img {
    width: 26.3vw;
    height: auto;
}

.middle .carousel2-item video {
    width: 26.3vw;
    height: 15.8vw;
    object-fit: cover;
    border-top-left-radius: 1.2vw;
    border-top-right-radius: 1.2vw;
}

.middle .strength-title {
    font-size: 1.3542vw;
    font-family: 'HarmonyOS';
    text-align: start;
    padding: 0;
    color: #383838;
    width: 15vw;
    margin-top: 2.08vw;
    margin-bottom: 1.5625vw;
    font-weight: 500;
    line-height: 1.587vw;
}

.middle .strength-content {
    font-size: 0.86vw;
    padding: 0;
    margin: 0;
    letter-spacing: 0.01vw;
    text-align: justify;
    line-height: 1.3542vw;
    color: #383838;
    font-family: 'HarmonyOS-light';
    font-weight: 300;
}

@media (max-width: 1200px) {
    .carousel2-item img {
        width: 300px;
        height: 180px;
    }

    .carousel2-item video {
        width: 300px;
        height: 180px;
        object-fit: cover;
        border-top-left-radius: 1.2vw;
        border-top-right-radius: 1.2vw;
    }
}

.middle .top {
    display: flex;
    align-items: center;
    margin-bottom: 3.3854vw;
    justify-content: space-between;
}

.middle .carousel2-buttons {
    display: flex;
    gap: 1.2vw;
    margin-right: 20vw;
}

.middle .carousel2-buttons img {
    width: 2vw;
    height: 2vw;
}

.middle .carousel2-buttons img {
    width: 2vw;
    height: 2vw;
}

.ppk_under {
    width: 58.3333vw;
    height: 14.5833vw;
    background-color: #fff;
    border-radius: 0.5208vw;

    margin-top: 6.25vw;
    margin-bottom: 6.25vw;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}

.ppk_under .ppk_under_left {
    width: 25vw;
    margin-top: 3.125vw;
    margin-bottom: 3.125vw;
    text-align: left;
    margin-left: 4.1667vw;
    border-right: #E5E5E5;
    border-right-style: solid;
    border-right-width: 0.0521vw;
    display: flex;
    flex-direction: column;
}

.ppk_under .ppk_under_left .ppk_under_line1 {
    display: flex;
    margin-bottom: 0.7292vw;
    height: 2.0833vw;
    align-items: center;
}

.ppk_under .ppk_under_left .ppk_under_line1 .logo {
    width: 2.0833vw;
    height: 2.0833vw;
}

.ppk_under .ppk_under_left .ppk_under_line1 .title {
    font-size: 1.1458vw;
    line-height: 1.3427vw;
    margin-left: 1.0416vw;
    font-weight: 500;
}

.ppk_under .ppk_under_left .ppk_under_line2 {
    font-size: 0.8333vw;
    line-height: 1.1458;
    margin-bottom: 2.0833vw;
    width: 16.1458vw;
    margin-left: 3.125vw;
    font-weight: 300;
}

.ppk_under .ppk_under_left .ppk_under_line3 {
    font-size: 0.9375vw;
    line-height: 1.099vw;
    color: #0077FF;
    margin-left: 3.125vw;
    font-weight: 400;
}

.ppk_under .ppk_under_right {
    width: 19.2708vw;
    margin-top: 3.125vw;
    margin-bottom: 3.125vw;
    text-align: left;
    margin-right: 4.1667vw;
    display: flex;
    flex-direction: column;
}

.ppk_under .ppk_under_right .ppk_under_line1 {
    display: flex;
    margin-bottom: 0.7292vw;
    height: 2.0833vw;
    align-items: center;
}

.ppk_under .ppk_under_right .ppk_under_line1 .logo {
    width: 2.0833vw;
    height: 2.0833vw;
}

.ppk_under .ppk_under_right .ppk_under_line1 .title {
    font-size: 1.1458vw;
    line-height: 1.3427vw;
    margin-left: 1.0416vw;
    font-weight: 500;
}

.ppk_under .ppk_under_right .ppk_under_line2 {
    font-size: 0.8333vw;
    line-height: 1.1458;
    margin-bottom: 2.0833vw;
    width: 16.1458vw;
    margin-left: 3.125vw;
    font-weight: 300;
}

.ppk_under .ppk_under_right .ppk_under_line3 {
    font-size: 0.9375vw;
    line-height: 1.099vw;
    color: #0077FF;
    margin-left: 3.125vw;
    font-weight: 400;
}

#bottom {
    position: relative;
}