/* ===== Feature Stack ===== */
.feature-stack {
  padding: clamp(36px, 6vw, 88px) 0;
  background: #fff;
}

.feature-stack__container {
  max-width: min(820px, 92vw); /* 手機/平板閱讀寬度較窄 */
  margin-inline: auto;
}

.feature-stack__title {
  margin: 0 0 8px;
  text-align: center;
  font-weight: 900;
  font-size: clamp(22px, 4.6vw, 30px);
  letter-spacing: 0.2px;
}

.feature-stack__lead {
  margin: 0 auto clamp(22px, 4vw, 36px);
  text-align: center;
  color: #585858;
  font-size: clamp(14px, 2.8vw, 16px);
  max-width: 60ch;
}

/* === 列表網格：以「手機 1 欄」為基礎，只寫一次 === */
.feature-stack__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr; /* 手機：1 欄 */
  gap: clamp(20px, 4vw, 32px); /* 手機間距 */
}

/* 卡片載體 */
.fs-item {
  display: grid;
  justify-items: center;
  text-align: center;
  row-gap: 14px;
}

/* 大圓圖示 */
.fs-item__icon {
  width: clamp(100px, 16vw, 140px);
  height: clamp(100px, 16vw, 140px);
  border-radius: 50%;
  background-color: rgba(242, 242, 242, 0.8);
  display: grid;
  place-items: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06) inset;
  color: #585858;
}
.fs-item__icon .bi,
.fs-item__icon svg {
  font-size: clamp(40px, 7vw, 56px);
}

/* 大標題 */
.fs-item__title {
  margin: 2px 0 0;
  font-weight: 800;
  font-size: clamp(18px, 4.2vw, 22px);
  letter-spacing: 0.2px;
}

/* 卡片本體 */
.fs-item__card {
  width: 100%;
  height: 100%;
  background-color: rgba(242, 242, 242, 0.8);
  color: #585858;
  border-radius: 14px;
  padding: clamp(14px, 4vw, 18px) clamp(14px, 4vw, 22px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
  text-align: left;
  line-height: 1.75;
  font-size: clamp(14px, 2.9vw, 15.5px);
}

/* 圖片版導語 */
.lead-picture {
  display: block;
}
.lead-img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 0 auto;
  filter: none;
}

/* 卡片內列表 */
.fs-card-list {
  margin: 0;
  padding-left: 1.2em;
  list-style: disc;
  display: grid;
  gap: 8px;
  color: #585858;
  font-size: clamp(14px, 2.9vw, 15.5px);
  line-height: 1.75;
  text-align: left;
}
.fs-card-list li {
  margin: 0;
}
.fs-card-list strong {
  color: #222;
  font-weight: 700;
}

/* === 平板（≥576px）：2 欄、間距加大一點 === */
@media (min-width: 576px) {
  .feature-stack__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px 36px; /* row-gap 32, col-gap 36 */
  }
}

/* === 桌機（≥992px）：容器放寬、3 欄、間距更大、等高卡片 === */
@media (min-width: 992px) {
  .feature-stack__container {
    max-width: 1240px;
    margin-inline: auto;
    padding-inline: clamp(24px, 3vw, 48px);
  }
  .feature-stack__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 56px 64px; /* row-gap 56, col-gap 64 */
    justify-items: stretch; /* 左右對齊 */
    align-items: stretch; /* 等高 */
  }
  .fs-item {
    grid-template-rows: auto auto 1fr; /* 讓卡片撐滿格高 */
    row-gap: 18px;
  }
  .fs-item__card {
    padding: clamp(18px, 1.6vw, 26px);
    line-height: 1.8;
  }

  .lead-grow-desktop {
    display: flex;
    justify-content: center; /* 置中 */
  }
  .lead-grow-desktop .lead-picture,
  .lead-grow-desktop .lead-img {
    width: min(880px, 78vw); /*圖片大小調這裡*/
    max-width: none; /* 解除容器 max-width 限制 */
  }
}

/* === 特大桌機（≥1400px）：間距再放大（可選） === */
@media (min-width: 1400px) {
  .feature-stack__list {
    gap: 64px 80px;
  }
}

/* 統一 Feature Stack 內 icon 的顏色 */
.feature-stack .fs-item__icon {
  color: #585858;
}
.feature-stack .fs-item__icon .bi,
.feature-stack .fs-item__icon [class^="bi-"],
.feature-stack .fs-item__icon svg,
.feature-stack .fs-item__icon svg * {
  color: inherit !important;
  fill: currentColor !important;
  stroke: currentColor !important;
}
.feature-stack .fs-item__icon a,
.feature-stack .fs-item__icon a:visited,
.feature-stack .fs-item__icon .text-primary {
  color: inherit !important;
}
.feature-stack .fs-item__icon .bi-bag,
.feature-stack .fs-item__icon .bi-bag-fill {
  color: inherit !important;
}

/* 單張圖片：可獨立控制各斷點寬度 */
.feature-figure {
  display: flex;
  justify-content: center;
  margin-top: var(--img-mt, 0);
  margin-bottom: var(--img-mb, 0);
}
.feature-figure__picture,
.feature-figure__img {
  width: var(--img-w, 100%); /* 手機顯示寬 */
  max-width: 100%;
  height: auto;
  display: block;
}

/* 平板 ≥576px */
@media (min-width: 576px) {
  .feature-figure__picture,
  .feature-figure__img {
    width: var(--img-w-md, var(--img-w, 100%)); /* 平板顯示寬 */
  }
}

/* 桌機 ≥992px */
@media (min-width: 992px) {
  .feature-figure__picture,
  .feature-figure__img {
    width: var(
      --img-w-lg,
      var(--img-w-md, var(--img-w, 100%))
    ); /* 桌機顯示寬 */
  }
}

@media (min-width: 992px) {
  .feature-figure--bleed {
    position: relative;
    left: 50%;
    right: 50%;
    margin-left: -50vw; /* 讓元素脫離容器左右限制 */
    margin-right: -50vw;
    width: 100vw; /* 以視窗寬為準 */
    display: flex;
    justify-content: center;
  }
  .feature-figure--bleed .feature-figure__picture,
  .feature-figure--bleed .feature-figure__img {
    width: var(--img-w-lg, 96vw); /* 仍可用變數微調大小 */
    max-width: 100vw;
  }
}

/* 平板限定 full-bleed：576px–991px 範圍 */
@media (min-width: 576px) and (max-width: 991.98px) {
  .feature-figure--bleed-md {
    position: relative;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
    width: 100vw;
    display: flex;
    justify-content: center;
  }
  .feature-figure--bleed-md .feature-figure__picture,
  .feature-figure--bleed-md .feature-figure__img {
    width: var(--img-w-md, 96vw); /* 用變數控制平板寬度 */
    max-width: 100vw;
  }
}

/* 平板覆蓋 */
@media (min-width: 576px) {
  .feature-figure {
    margin-top: var(--img-mt-md, var(--img-mt, 0));
  }
}

/* 桌機：可用 --img-mt-lg 覆蓋 */
@media (min-width: 992px) {
  .feature-figure {
    margin-top: var(--img-mt-lg, var(--img-mt-md, var(--img-mt, 0)));
  }
}