/* jiugongge.html 私有样式 */
.container {
    max-width: 1400px;
}

.upload-area {
    border: 2px dashed #d1d5db;
    border-radius: 8px;
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: #f9fafb;
}

.upload-area:hover {
    border-color: #667eea;
    background: #f0f4ff;
}

.upload-area.dragover {
    border-color: #667eea;
    background: #eef2ff;
}

.upload-icon {
    font-size: 48px;
    margin-bottom: 12px;
}

.upload-text {
    color: #6b7280;
    font-size: 14px;
}

.upload-text strong {
    color: #667eea;
}

/* ---- 原图预览 ---- */
.preview-original {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 16px;
    min-height: 200px;
}

.preview-original img {
    max-width: 100%;
    max-height: 400px;
    display: block;
    border-radius: 4px;
}

/* ---- 切图结果网格 ---- */
.grid-result {
    display: grid;
    gap: 6px;
    padding: 8px 0;
}

.grid-result.g2 { grid-template-columns: repeat(2, 1fr); }
.grid-result.g3 { grid-template-columns: repeat(3, 1fr); }
.grid-result.g4 { grid-template-columns: repeat(4, 1fr); }
.grid-result.g5 { grid-template-columns: repeat(5, 1fr); }

.grid-cell {
    position: relative;
    border: 1px solid #e5e7eb;
    border-radius: 4px;
    overflow: hidden;
    background: #f9fafb;
}

.grid-cell img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.grid-cell .cell-label {
    position: absolute;
    top: 2px;
    left: 2px;
    background: rgba(102, 126, 234, 0.85);
    color: #fff;
    font-size: 10px;
    padding: 1px 5px;
    border-radius: 3px;
}

.grid-cell .cell-dl {
    position: absolute;
    bottom: 2px;
    right: 2px;
    width: 22px;
    height: 22px;
    border-radius: 4px;
    background: rgba(22, 163, 74, 0.9);
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 12px;
    line-height: 22px;
    text-align: center;
    opacity: 0;
    transition: opacity 0.2s;
}

.grid-cell:hover .cell-dl {
    opacity: 1;
}

/* ---- 比例选择 ---- */
.ratio-bar {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.ratio-bar .btn {
    padding: 5px 12px;
    font-size: 12px;
}

.ratio-bar .btn.active {
    background: #667eea;
    color: #fff;
    border-color: #667eea;
}

/* ---- 说明区 ---- */
.info-section {
    max-width: 1400px;
    margin: 20px auto;
    padding: 24px;
    background: #f9fafb;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
}

.info-section h3 {
    margin: 0 0 16px;
    color: #374151;
    font-size: 18px;
}

.info-section p {
    color: #4b5563;
    line-height: 1.6;
    margin: 0 0 12px;
}

.info-content {
    display: grid;
    gap: 12px;
    margin-top: 16px;
}

.info-item {
    padding: 12px 16px;
    background: white;
    border-radius: 6px;
    border-left: 4px solid #667eea;
    color: #4b5563;
    line-height: 1.6;
}

.info-item strong {
    color: #374151;
}

@media (max-width: 900px) {
    .main {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .info-section {
        padding: 16px;
    }
    .ratio-bar .btn {
        padding: 4px 8px;
        font-size: 11px;
    }
}