@charset "utf-8";

/* 基础重置 */
html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
    background-color: white; 
}

img {
    display: inline-block;
    border: none;
    vertical-align: top;
    -webkit-user-select: none;
    user-select: none;
}

/* 外层容器：强制 19.2rem 配合 JS 实现 85% 整体居中缩放 */
.wrapper {
    width: 19.2rem;
    margin: 0 auto; 
    position: relative;
    overflow-x: hidden;
    background-color: #ffffff;
}

/* 1. 底层背景 */
.pageBg {
    width: 100%;
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}

/* 云层通用样式 */
.cloud-layer {
    position: absolute;
    pointer-events: none;
}
.cloud-layer img {
    width: 100%;
    height: 100%;
    display: block;
}

/* 2. 远景云层 */
.cloud-layer-1 {
    left: 1.07rem; 
    top: 0.54rem; 
    width: 18.13rem; 
    height: 2.00rem; 
    z-index: 2;
    animation: float-horizontal 40s linear infinite alternate;
}

/* 3. 中景云层 */
.cloud-layer-2 {
    left: -6.15rem; 
    top: 2.37rem;   
    width: 39.89rem; 
    height: 5.76rem; 
    z-index: 3;
    animation: float-horizontal 30s linear infinite alternate;
}

/* 4. 近景云层 */
.cloud-layer-3 {
    left: -7.55rem; 
    top: 7.49rem;   
    width: 39.90rem; 
    height: 5.76rem; 
    z-index: 4;
    animation: float-horizontal 20s linear infinite alternate;
}

/* 5. 正文内容容器 */
.warpMain {
    width: 100%;
    position: relative;
    z-index: 5;
    font-size: 0; 
    line-height: 0;
}
.warpMain .contentSlice {
    width: 100%;
    display: block;
    border: none;
}

/* 6. 热气球 */
.hot-balloon {
    position: absolute;
    left: 4.09rem;
    top: 0rem;
    width: 11.17rem;
    height: 13.78rem;
    z-index: 6;
    animation: float-vertical 4s ease-in-out infinite; 
}
.hot-balloon img {
    width: 100%;
    height: 100%;
    display: block;
}

/* 7. 静态标题 */
.static-title {
    position: absolute;
    left: 5.72rem;
    top: 13.24rem;
    width: 8.04rem;
    height: 2.31rem;
    z-index: 7;
}
.static-title img {
    width: 100%;
    height: 100%;
    display: block;
}

/* 动画定义 */
@keyframes float-horizontal {
    0% {
        transform: translate3d(0, 0, 0);
    }
    100% {
        transform: translate3d(2.50rem, 0, 0);
    }
}

@keyframes float-vertical {
    0%, 100% {
        transform: translate3d(0, 0, 0);
    }
    50% {
        transform: translate3d(0, -0.30rem, 0);
    }
}