/* ========== 首页功能图标（2x2网格） ========== */
.couple-icons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  row-gap: 23px;    /* 上下间距 */
  column-gap: 10px; /* 左右间距 */
  justify-items: center; /* 确保每个格子里的内容在网格中居中 */
}

.couple-icon-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  width: auto;
  touch-action: manipulation; /* 消除 iOS 双击放大延迟 */
  -webkit-user-select: none;  /* 防止长按选中文字 */
  user-select: none;
}
.couple-icon-item:active {
  opacity: 0.5;
}

.couple-icon-circle {
  width: 60px;
  height: 60px;
  border-radius: 12px;
  background: rgba(255,255,255,0.75);
  border: 1px solid rgba(0, 0, 0, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.15s;
}
.couple-icon-circle.glass-effect {
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.couple-icon-item:active .couple-icon-circle {
  transform: scale(0.92);
}

.couple-icon-circle svg {
  width: 27px;
  height: 27px;
  stroke: #8e8e93;
  stroke-width: 1.35;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  color: #8e8e93;
}

/* 1. 美化图标专属：同色实心星星 + 纯镂空气泡 */
.couple-icon-item[data-action="beautify"] .couple-icon-circle svg .star-fill {
  fill: #8e8e93;
  stroke: #8e8e93;
  stroke-width: 3.5px;
  stroke-linejoin: round;
}
.couple-icon-item[data-action="beautify"] .couple-icon-circle svg circle {
  fill: none !important;
}

/* 2. 世界书专属：纯通透镂空藏书 + 实心小星芒 */
.couple-icon-item[data-action="worldbook"] .couple-icon-circle svg {
  stroke-width: 1.35;
}
.couple-icon-item[data-action="worldbook"] .couple-icon-circle svg rect {
  fill: none !important; /* 彻底去除白底，纯透镂空 */
}

/* 3. 论坛专属：纯通透镂空星环与地球经纬线 */
.couple-icon-item[data-action="forum"] .couple-icon-circle svg {
  stroke-width: 1.35;
}
.couple-icon-item[data-action="forum"] .couple-icon-circle svg circle,
.couple-icon-item[data-action="forum"] .couple-icon-circle svg path {
  fill: none !important; /* 彻底去除白底，纯透镂空 */
}

/* 4. 档案专属：统一线条粗细 */
.couple-icon-item[data-action="archive"] .couple-icon-circle svg {
  stroke-width: 1.35;
}

.couple-icon-item span {
  width: 100%;
  font-size: 11px;
  color: #1a1a1a;
  font-weight: 500;
  text-align: center;
  line-height: 1.2;
}

/* ========== 第二页 自由应用排列区 ========== */
.desktop-apps-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px 20px;
  padding: 16px 8px 40px;
  width: 100%;
  align-items: flex-start;
  justify-content: flex-start;
}