/* 让正文里的图片看起来“可点” */
.post-content img,
.subpage-container img,
.main-content img {
    cursor: zoom-in;
    transition: transform .2s ease;
}

/* 全屏查看层 */
.iv-overlay {
    position: fixed;
    inset: 0;
    display: none; /* 通过 .open 切换显示 */
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,.92);
    z-index: 9999;
    -webkit-backdrop-filter: blur(2px);
    backdrop-filter: blur(2px);
}

    .iv-overlay.open {
        display: flex;
    }

    /* 大图本体 */
    .iv-overlay img {
        max-width: 96vw;
        max-height: 96vh;
        border-radius: 12px;
        box-shadow: 0 10px 40px rgba(0,0,0,.45);
        user-select: none;
        -webkit-user-drag: none;
        cursor: zoom-out;
        animation: iv-fade-in .15s ease-out both;
    }

@keyframes iv-fade-in {
    from {
        opacity: .3;
        transform: scale(.98);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* 工具条（右上角） */
.iv-toolbar {
    position: fixed;
    top: 14px;
    right: 14px;
    display: flex;
    gap: 10px;
    z-index: 10000;
}

.iv-btn {
    border: 1px solid rgba(255,255,255,.25);
    background: rgba(255,255,255,.08);
    color: #fff;
    padding: 8px 10px;
    border-radius: 10px;
    font: 600 14px/1 system-ui, -apple-system, Segoe UI, Roboto, PingFang SC, sans-serif;
    backdrop-filter: blur(6px);
    cursor: pointer;
}

    .iv-btn:hover {
        background: rgba(255,255,255,.16);
    }

.iv-link {
    text-decoration: none;
}

/* 可选：不想被放大的图片加这个类 */
img.no-zoom {
    cursor: default !important;
}