@charset "utf-8";
/* CSS Document */
.slide-wrap {
    width: 100%;
    height: 550px;
    position: relative;
    overflow: hidden;
    background: #000;
	z-index:1
}

/* 每一项容器 */
.slide-item {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    /* CSS3 缩放+透明过渡动画 */
    transform: scale(1.15);
    transition: all 1.2s ease;
	z-index:1
}
/* 当前激活项：还原大小+显示 */
.slide-item.active {
    opacity: 1;
    transform: scale(1);
    z-index: 2;
}

/* 图片全屏铺满 */
.slide-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
/* 视频全屏铺满 */
.slide-item video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 图片/视频标题 同步跟随切换 */
.slide-title {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color:#002f82;
    font-size: 48px;
    letter-spacing: 6px;
    text-shadow: 0 0 20px rgba(0,0,0,0.6);
    white-space: nowrap;
}

/* 左右切换按钮 默认隐藏 */
.btn-prev, .btn-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 55px;
    height: 55px;
    background: rgba(255,255,255,0.15);
    color: #fff;
    font-size: 28px;
    text-align: center;
    line-height: 55px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 20;
    display: none;
    transition: background 0.3s;
}
.btn-prev:hover, .btn-next:hover {
    background: rgba(255,255,255,0.3);
}
.btn-prev {left: 40px;}
.btn-next {right: 40px;}

/* 底部圆点序列号 */
.dot-nav {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 14px;
    z-index: 120;
}
.dot-nav span {
    display: block;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    cursor: pointer;
}
.dot-nav span.active {
    background: #fff;
}