/* 功能图标样式 - 使用递增间距精灵图切割系统 */

/* 基础样式 */
.feature-item {
  width: 106px;
  height: 106px;
  background-color: #ffffff;
  border-radius: 16px;
  transition: all 0.3s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background-image: url('/static/extracted_icons/icon_sprite_fixed_size.png');
  background-size: 686px 222px;
  background-repeat: no-repeat;
  background-position: 0 0;
  border: 1px solid #e9ecef;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

/* 精灵图切割 - 递增间距切割位置系统 */

/* 第一行图标切割 - 固定尺寸递增位置: 0, 76, 187, 308, 439, 580 */
.icon-pos-1-1 { background-position: 0px 0px; }
.icon-pos-1-2 { background-position: -76px 0px; }
.icon-pos-1-3 { background-position: -187px 0px; }
.icon-pos-1-4 { background-position: -308px 0px; }
.icon-pos-1-5 { background-position: -439px 0px; }
.icon-pos-1-6 { background-position: -580px 0px; }

/* 第二行图标切割 - 固定尺寸递增位置: 0, 187, 308, 439 (Y轴偏移116px) */
.icon-pos-2-1 { background-position: 0px -116px; }
.icon-pos-2-2 { background-position: -76px -116px; }
.icon-pos-2-3 { background-position: -187px -116px; }
.icon-pos-2-4 { background-position: -308px -116px; }
.icon-pos-2-5 { background-position: -439px -116px; }

/* 悬停效果 */
.feature-item:hover {
  transform: translateY(-3px) scale(1.05);
  background-color: #f8f9fa;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
  border-color: #007bff;
}

/* 功能名称样式 */
.feature-name {
  text-align: center;
  margin-top: 12px;
  font-size: 12px;
  font-weight: 600;
  color: #343a40;
  transition: all 0.3s ease;
  line-height: 1.4;
}

.feature-item:hover + .feature-name {
  color: #007bff;
  transform: translateY(-2px);
}

/* 完整的精灵图切割系统 - 11个图标统一使用固定尺寸递增切割位置 */

/* AI图片处理区域 - 第三行图标切割 (icon-pos-3-*) */
.icon-pos-3-1 { background-position: 0px 0px; }
.icon-pos-3-2 { background-position: -76px 0px; }
.icon-pos-3-3 { background-position: -187px 0px; }
.icon-pos-3-4 { background-position: -308px 0px; }
.icon-pos-3-5 { background-position: -439px 0px; }

/* AI图片处理区域 - 第四行图标切割 (icon-pos-4-*) */
.icon-pos-4-1 { background-position: 0px -116px; }
.icon-pos-4-2 { background-position: -76px -116px; }
.icon-pos-4-3 { background-position: -187px -116px; }
.icon-pos-4-4 { background-position: -308px -116px; }
.icon-pos-4-5 { background-position: -439px -116px; }