/* 重置样式 */
html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

/* 加载提示 */
.fs-loader {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1000;
    color: #fff;
    font-size: 24px;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
    opacity: 1;
    transition: opacity 0.5s;
}
.fs-loader.hidden { opacity: 0; }

/* 容器样式 */
.fs-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    opacity: 0;
    transition: opacity 1s;
}
.fs-container.active { opacity: 1; }

/* 幻灯片容器 */
.fs-slides {
    position: relative;
    height: 100%;
    transition: transform 1s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 单张幻灯片 */
.fs-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 图片适配解决方案 */
.fs-slide img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover; /* 关键属性 */
    z-index: -1;
}

/* 内容容器 */
.slide-content {
    max-width: 80%;
    padding: 20px;
    background: rgba(0,0,0,0.7);
    color: white;
    text-align: center;
}