.main-content {
    margin-left: 240px; 
    padding: 40px; 
    flex: 1;
}

.page-title {
    margin-bottom: 30px; 
    color: #2c3e50;
    font-size: 24px;
}

.content-card {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    max-width: 700px;
}

.form-label {
    display: block;
    margin-bottom: 12px;
    font-weight: 600;
    color: #2c3e50;
}

.hint {
    margin-top: 8px;
    font-size: 13px;
    color: #95a5a6;
    font-weight: 400;
}

.progress-bar-bg {
    width: 100%;
    background-color: #ecf0f1;
    border-radius: 5px;
    height: 10px;
    overflow: hidden;
}

.progress-bar-fill {
    width: 0%;
    height: 100%;
    background-color: #3498db;
    transition: width 0.3s;
}

.action-btn {
    flex: 1;
    padding: 14px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
}

.primary-btn { background-color: #3498db; color: white; }
.primary-btn:hover { background-color: #2980b9; }
.primary-btn:disabled { background-color: #aed6f1; cursor: not-allowed; }

.secondary-btn { background-color: #95a5a6; color: white; }
.secondary-btn:hover { background-color: #7f8c8d; }

.info-box {
    margin-top: 30px;
    max-width: 700px;
    background: #ebf5fb;
    padding: 20px;
    border-radius: 8px;
    color: #2980b9;
}

.info-box h3 { margin-top: 0; font-size: 16px; }
.info-box ul { margin: 10px 0 0 0; padding-left: 20px; font-size: 14px; line-height: 1.8; }

/* ===== 批量抠图新增 ===== */
.radio-row { display: flex; gap: 25px; margin-bottom: 15px; }
.radio-item { font-size: 14px; color: #2c3e50; cursor: pointer; }

.drop-zone {
    padding: 34px 20px;
    border: 2px dashed #dce4ec;
    border-radius: 6px;
    background: #fcfdfe;
    text-align: center;
    color: #2c3e50;
    font-weight: 600;
    cursor: pointer;
    transition: border-color .2s, background .2s;
    box-sizing: border-box;
}
.drop-zone.dragover { border-color: #3498db; background: #eaf4fc; }

.picker-row { display: flex; gap: 15px; margin-top: 15px; }

.stats-row {
    display: flex; flex-wrap: wrap; gap: 18px;
    margin-top: 12px; font-size: 14px; color: #2c3e50;
}
.stats-row.summary { margin: 0 0 5px 0; }
.stat-ok b { color: #27ae60; }
.stat-fail b { color: #e74c3c; }
.stat-skip b { color: #95a5a6; }

.failure-list {
    margin-top: 15px; padding: 12px 15px;
    background: #fdf0ef; border: 1px solid #f5c6c0;
    border-radius: 6px; font-size: 13px; color: #c0392b;
}
.failure-list ul { margin: 6px 0 0 0; padding-left: 18px; line-height: 1.7; }