html, body {
    padding: 0;
    margin: 0;
    border: 0;
    list-style: none;
    text-decoration: none;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    outline: 0;
}

.top {
    width: 100%;
    height: 80px;
    min-width: 1400px;
    max-width: 1920px;
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 999;

    background-image: url("../img/top-bg.png");
    background-size: 1920px 80px;

    display: flex;
    justify-content: center; /* ⭐ 水平居中 nav-list */
    align-items: center; /* ⭐ 垂直居中 nav-list */
}

.nav-list {
    position: relative;
    display: flex;
    align-items: center;
    gap: 80px; /* ⭐ 中心点等距 */
}

.nav-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap; /* 文字不换行 */

    height: 100%;
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    text-decoration: none;
    position: relative;
}


.nav-list .active {
    color: #ffed7d;
}

.middle {
    width: 100%;
    height: 1205px;
    min-width: 1400px;
    max-width: 1920px;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
    background-image: url("../img/index-bg.jpg");
    background-size: 1920px 1205px;
    z-index: 1;
}

.recharge {
    width: 80%;
    height: 200px;
    margin: 90px auto;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: center;
}

.paytip-btn {
    margin-right: 40px;
}

.middle-nobg {
    width: 100%;
    height: auto;
    margin-top: 90px;
    margin-bottom: 40px;
    margin-left: auto;
    margin-right: auto;
    overflow: hidden;
    position: relative;

}

.content-header .title {
    position: relative;
    font-size: 22px;
    line-height: 80px;
    padding-left: 20px;
}

.content-header .title:after {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    height: 30px;
    border-left: 5px #0680FD solid;
    margin-top: -15px;
}

.middle-p {
    align-items: center;
    justify-content: center;
    width: 80%;
    margin: 0 auto;
}

.carousel-image {
    margin: 0 auto;
    display: flex;
    gap: 9px;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 20px;
    width: 80%;
    scroll-behavior: smooth;
}

.carousel-image img {
    flex-shrink: 0;
    width: 300px;
    height: auto;
}

/* 外层裁切容器 */
.middle-nobg .iframe {
    width: 67.5%;
    height: 800px;
    margin: 0 auto;
    overflow-y: auto; /* 👈 纵向滑轴放这里 */
    overflow-x: hidden;
    background: #bbd3ea;
    position: relative;
}

.middle-nobg .iframe iframe {
    margin-top: -50px;
    width: 100%;
    height: 12650px; /* 👈 决定滚动总长度 */
    border: none;
    display: block;
    position: relative;
    transform: scaleX(1.5) scaleY(1.46);
    transform-origin: top center;
    pointer-events: none;
}

.footer {
    position: relative;
    z-index: 3;
    width: 100%;
    height: 93px;
    min-width: 1400px;
    max-width: 1920px;
    margin: -80px auto;
    background-image: url("../img/footer-bg.png");
    background-color: black;
    background-size: 1920px 93px;
}

.footer-other {
    position: relative;
    z-index: 3;
    width: 100%;
    height: 93px;
    min-width: 1400px;
    max-width: 1920px;
    margin: -60px auto;
    background-image: url("../img/footer-bg.png");
    background-size: 1920px 93px;
}