/* 监测平台右侧：3D 翻页式轮播 */
.monitor-flip {
    position: relative;
    border-radius: 2rem;
    box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.18);
    border: 1px solid #f1f5f9;
    background: #fff;
}

.monitor-flip__viewport {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    perspective: 1400px;
    transform-style: preserve-3d;
}

.monitor-flip__slide {
    position: absolute;
    inset: 0;
    border-radius: 2rem;
    overflow: hidden;
    transform-style: preserve-3d;
    backface-visibility: hidden;
    transition: transform 0.72s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s ease;
    outline: 1px solid transparent;
}

.monitor-flip__slide img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 非图片幻灯片（如诊断页 HTML 示意）：填满视口 */
.monitor-flip__slide > .monitor-flip__slide-fill {
    position: absolute;
    inset: 0;
    border-radius: inherit;
    overflow: auto;
}

/* 未展示：叠在右侧「待翻入」 */
.monitor-flip__slide.is-idle {
    transform: rotateY(88deg);
    transform-origin: right center;
    opacity: 0;
    pointer-events: none;
    z-index: 1;
}

.monitor-flip__slide.is-active {
    transform: rotateY(0deg);
    transform-origin: center center;
    opacity: 1;
    z-index: 2;
    pointer-events: auto;
}

/* 当前页翻出 */
.monitor-flip__slide.is-leaving {
    transform-origin: left center;
    transform: rotateY(0deg);
    opacity: 1;
    z-index: 2;
}

.monitor-flip__slide.is-leaving.is-leaving-active {
    transform: rotateY(-88deg);
    opacity: 0.25;
}

/* 下一页翻入 */
.monitor-flip__slide.is-entering {
    transform-origin: right center;
    transform: rotateY(88deg);
    opacity: 1;
    z-index: 4;
}

.monitor-flip__slide.is-entering.is-entering-active {
    transform: rotateY(0deg);
    opacity: 1;
}

.monitor-flip__nav {
    position: absolute;
    top: 50%;
    z-index: 8;
    width: 2.5rem;
    height: 2.5rem;
    margin-top: -1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 9999px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid #e2e8f0;
    color: #475569;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.08);
    transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.monitor-flip__nav:hover {
    background: #fff;
    color: #2563eb;
    transform: scale(1.05);
}

.monitor-flip__nav:focus-visible {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
}

.monitor-flip__nav--prev {
    left: 0.75rem;
}

.monitor-flip__nav--next {
    right: 0.75rem;
}

.monitor-flip__dots {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0.85rem;
    z-index: 8;
    display: flex;
    justify-content: center;
    gap: 0.45rem;
    pointer-events: none;
}

.monitor-flip__dot {
    pointer-events: auto;
    width: 0.5rem;
    height: 0.5rem;
    padding: 0;
    border: none;
    border-radius: 9999px;
    background: rgba(148, 163, 184, 0.55);
    cursor: pointer;
    transition: transform 0.2s ease, background 0.2s ease, width 0.25s ease;
}

.monitor-flip__dot:hover {
    background: rgba(100, 116, 139, 0.85);
}

.monitor-flip__dot.is-current {
    background: linear-gradient(135deg, #3b82f6, #7c3aed);
    width: 1.35rem;
}

@media (prefers-reduced-motion: reduce) {
    .monitor-flip__slide {
        transition: opacity 0.35s ease;
    }

    .monitor-flip__slide.is-idle {
        transform: none;
    }

    .monitor-flip__slide.is-leaving,
    .monitor-flip__slide.is-leaving.is-leaving-active {
        transform: none;
        opacity: 0;
    }

    .monitor-flip__slide.is-entering,
    .monitor-flip__slide.is-entering.is-entering-active {
        transform: none;
    }
}

@media (max-width: 640px) {
    .monitor-flip {
        border-radius: 1.25rem;
        box-shadow: 0 16px 34px -18px rgba(15, 23, 42, 0.22);
    }

    .monitor-flip__viewport {
        aspect-ratio: 4 / 3;
        perspective: none;
        transform-style: flat;
    }

    .monitor-flip__slide {
        border-radius: 1.25rem;
        transition: opacity 0.35s ease;
        transform: none !important;
    }

    .monitor-flip__slide.is-idle,
    .monitor-flip__slide.is-leaving,
    .monitor-flip__slide.is-leaving.is-leaving-active,
    .monitor-flip__slide.is-entering,
    .monitor-flip__slide.is-entering.is-entering-active {
        transform: none !important;
    }

    .monitor-flip__nav {
        width: 2.1rem;
        height: 2.1rem;
        top: auto;
        bottom: 0.95rem;
        margin-top: 0;
        transform: translateY(0);
    }

    .monitor-flip__nav--prev {
        left: 0.6rem;
    }

    .monitor-flip__nav--next {
        right: 0.6rem;
    }

    .monitor-flip__dots {
        bottom: 0.45rem;
    }
}