/* 图片查看器样式 */
.image-modal {
    display: none;
    position: fixed;
    z-index: 1000;
    padding-top: 50px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.9);
}

.modal-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 80%;
    object-fit: contain;
    transition: transform 0.1s ease-out; /* 平滑的缩放过渡 */
    transform-origin: center center;
    cursor: zoom-in;
    user-select: none; /* 防止选中 */
}

#imageCaption {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 700px;
    text-align: center;
    color: #ccc;
    padding: 10px 0;
    height: auto;
    min-height: 50px;
    font-size: 1.2rem;
}

/* 添加操作提示 */
.image-controls-hint {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: #ccc;
    font-size: 0.9rem;
    text-align: center;
    background: rgba(0, 0, 0, 0.7);
    padding: 8px 16px;
    border-radius: 20px;
    white-space: nowrap;
    opacity: 0.8;
    pointer-events: none;
    z-index: 1001;
}

.image-controls-hint::before {
    content: "🖱️ 滚轮缩放 | 拖拽移动 | 双击重置 | ESC关闭";
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    transition: 0.3s;
    cursor: pointer;
}

.close-modal:hover,
.close-modal:focus {
    color: #bbb;
    text-decoration: none;
    cursor: pointer;
}

/* 添加放大镜图标提示点击 */
.qual-image {
    position: relative;
}

.qual-image::after {
    content: '\ea9d'; /* ri-zoom-in-line 图标的Unicode */
    position: absolute;
    bottom: 10px;
    right: 10px;
    background-color: rgba(255, 255, 255, 0.7);
    color: #555;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    opacity: 0.8;
    transition: opacity 0.3s ease;
    font-family: 'remixicon';
    font-style: normal;
}

.qual-image:hover::after {
    opacity: 1;
}

/* 响应式设计 */
@media only screen and (max-width: 700px) {
    .modal-content {
        width: 100%;
    }
}