/**
 * 例句对 ex-pair · 屏幕与打印共用装饰（打印细节见 grammar-handout-print.css）
 */

body.grammar-handout-page .ex-pair {
  position: relative;
  margin: 0 0 0.65rem;
  padding: 0.45rem 0.55rem 0.5rem 0.65rem;
  border: 1px solid rgba(13, 148, 136, 0.18);
  border-radius: 10px;
  background: linear-gradient(
    145deg,
    rgba(240, 253, 250, 0.55) 0%,
    #fff 42%,
    rgba(248, 251, 253, 0.95) 100%
  );
  overflow: hidden;
  box-shadow: 0 1px 0 rgba(13, 148, 136, 0.06);
}

body.grammar-handout-page .ex-pair::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  border-radius: 10px 0 0 10px;
  background: linear-gradient(180deg, #0d9488 0%, #4a7c9b 55%, #7eb8d4 100%);
}

body.grammar-handout-page .ex-pair::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 3.5rem;
  height: 3.5rem;
  background: radial-gradient(circle at 100% 0%, rgba(74, 124, 155, 0.1), transparent 68%);
  pointer-events: none;
}

body.grammar-handout-page .ex-pair .en-line {
  position: relative;
  z-index: 1;
  margin: 0 0 0.25rem;
  padding: 0.35rem 0.45rem;
  border: none;
  border-radius: 6px 6px 0 0;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

body.grammar-handout-page .ex-pair .zh-line {
  position: relative;
  z-index: 1;
  margin: 0;
  padding: 0.28rem 0.45rem 0.32rem;
  border: none;
  border-radius: 0 0 6px 6px;
  background: rgba(247, 250, 252, 0.85);
  color: #475569;
}

/* 多栏区：略紧凑，保留卡片感 */
body.grammar-handout-page .handout-usage-three-col .ex-pair,
body.grammar-handout-page .handout-rules-two-col .ex-pair {
  margin-bottom: 0.4rem;
  padding: 0.32rem 0.38rem 0.38rem 0.48rem;
  border-radius: 8px;
}

body.grammar-handout-page .handout-usage-three-col .ex-pair::before,
body.grammar-handout-page .handout-rules-two-col .ex-pair::before {
  width: 3px;
}

body.grammar-handout-page .handout-usage-three-col .ex-pair .en-line,
body.grammar-handout-page .handout-rules-two-col .ex-pair .en-line {
  padding: 0.28rem 0.35rem;
  border-radius: 5px 5px 0 0;
}

body.grammar-handout-page .handout-usage-three-col .ex-pair .zh-line,
body.grammar-handout-page .handout-rules-two-col .ex-pair .zh-line {
  padding: 0.22rem 0.35rem 0.26rem;
  border-radius: 0 0 5px 5px;
}

body.grammar-handout-page .handout-freq-table-group {
  margin-bottom: 0.5rem;
  padding: 0.45rem 0.5rem;
  border-radius: 10px;
  border: 1px solid rgba(13, 148, 136, 0.16);
  background: linear-gradient(180deg, rgba(240, 253, 250, 0.4), #fff);
}

body.grammar-handout-page .handout-freq-tip {
  margin: 0 0 0.4rem;
  font-size: 0.86rem;
}

body.grammar-handout-page table.handout-table-compact .cell-neg {
  color: #b45309;
  font-weight: 600;
}