/* === 首页专属样式 === */
.parallax {
    position: relative;
    height: 100vh;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

.content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: clamp(0.8rem, 0.5rem + 2.5vw, 3.5rem);
    text-shadow: 5px 5px 10px rgba(0, 0, 0, 0.9), 0 0 30px rgba(255, 255, 255, 0.8), 0 0 20px rgba(255, 255, 255, 0.8), 0 0 25px rgba(0, 255, 255, 0.7), 0 0 30px rgba(0, 255, 255, 0.5);
    z-index: 1;
    white-space: nowrap;
}

.content-wrapper {
    position: absolute;
    top: 40%;
    /* 按钮位置微调 */
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    text-align: center;
}

.download-button {
    display: inline-block;
    background-color: rgba(255, 255, 255, 0.2);
    border: 2px solid #ffffff;
    color: #ffffff;
    padding: 12px 30px;
    font-size: 1.2rem;
    font-weight: bold;
    border-radius: 50px;
    text-decoration: none;
    backdrop-filter: blur(5px);
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.download-button:hover {
    background-color: rgba(255, 255, 255, 0.4);
    transform: scale(1.05);
}

.parallax:last-of-type {
    margin-bottom: 80px;
    /* 这个值约等于 footer 的高度 */
}

.beian-link {
    display: inline-flex;
    /* 使用 flex 布局让图标和文字对齐 */
    align-items: center;
    /* 垂直居中对齐 */
    gap: 5px;
    /* 图标和文字之间的距离 */
}

.beian-icon {
    height: 18px;
    /* 设置图标的高度，宽度会自动调整 */
    width: auto;
}