/* 强力遮罩：直接盖在背景图的最上层 */
.home-first-screen {
    position: relative !important;
}

.home-first-screen::after {
    content: "" !important;
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    background-color: rgba(0, 0, 0, 0.5) !important; /* 调整为0.5，更黑一点 */
    z-index: 1 !important;
    pointer-events: none !important;
}

/* 强行把一言内容提到最前，防止被遮罩挡住 */
.home-first-screen .first-screen-content {
    position: relative !important;
    z-index: 999 !important; /* 极大值，确保绝对在遮罩上方 */
}