.rd-swcu {
  --rd-swcu-accent: #EA543F;
  --rd-swcu-bg-top: #F6F6F6;
  --rd-swcu-bg-bottom: #FFFFFF;
  --rd-swcu-card-bg: #FFFFFF;
  --rd-swcu-text: #000000;
  --rd-swcu-text-soft: rgba(0, 0, 0, 0.68);
  --rd-swcu-border-soft: #EEEEEE;
  --rd-swcu-radius: 12px;

  position: relative;
  width: 100%;
  overflow: hidden;
  background: linear-gradient(
    180deg,
    var(--rd-swcu-bg-top) 0%,
    var(--rd-swcu-bg-bottom) 18%,
    var(--rd-swcu-bg-bottom) 100%
  );
  color: var(--rd-swcu-text);
}

.rd-swcu *,
.rd-swcu *::before,
.rd-swcu *::after {
  box-sizing: border-box;
}

.rd-swcu__container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 18px;
  padding-right: 18px;
}

@media (min-width: 641px) {
  .rd-swcu__container {
    padding-left: 24px;
    padding-right: 24px;
  }
}

@media (min-width: 1081px) {
  .rd-swcu__container {
    padding-left: 32px;
    padding-right: 32px;
  }
}

/* ===== 价值卡片区 ===== */
.rd-swcu__value {
  padding-top: 64px;
  padding-bottom: 52px;
}

@media (min-width: 641px) {
  .rd-swcu__value {
    padding-top: 80px;
    padding-bottom: 64px;
  }
}

.rd-swcu__header {
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.rd-swcu__heading {
  margin: 0;
  font-weight: 600;
  color: var(--rd-swcu-text);
}

.rd-swcu__heading::after {
  content: "";
  display: block;
  width: 64px;
  height: 3px;
  background: var(--rd-swcu-accent);
  margin: 16px auto 0;
  border-radius: 2px;
}

.rd-swcu__description {
  margin: 18px 0 0;
  color: var(--rd-swcu-text-soft);
}

/* --- 卡片网格 --- */
.rd-swcu__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 36px;
}

@media (min-width: 641px) {
  .rd-swcu__grid {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 52px;
  }
}

@media (min-width: 1081px) {
  .rd-swcu__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
}

/* --- 卡片 --- */
.rd-swcu__card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  background: var(--rd-swcu-card-bg);
  border: 1px solid var(--rd-swcu-border-soft);
  border-top: 3px solid var(--rd-swcu-accent);
  border-radius: var(--rd-swcu-radius);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.05);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

@media (min-width: 641px) {
  .rd-swcu__card {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.4fr);
  }
}

@media (min-width: 1081px) {
  .rd-swcu__card {
    display: flex;
    flex-direction: column;
  }
}

.rd-swcu__card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.08);
}

.rd-swcu__card-media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #F6F6F6;
}

@media (min-width: 641px) {
  .rd-swcu__card-media {
    aspect-ratio: auto;
    min-height: 100%;
  }
}

@media (min-width: 1081px) {
  .rd-swcu__card-media {
    aspect-ratio: 16 / 9;
    min-height: 0;
  }
}

.rd-swcu__card-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.rd-swcu__card:hover .rd-swcu__card-img {
  transform: scale(1.04);
}

.rd-swcu__card-body {
  padding: 12px 10px 14px;
}

@media (min-width: 641px) {
  .rd-swcu__card-body {
    padding: 22px 24px 24px;
  }
}

.rd-swcu__card-title {
  margin: 0;
  font-size: 13px;
  line-height: 1.3;
  font-weight: 700;
  color: var(--rd-swcu-text);
}

@media (min-width: 641px) {
  .rd-swcu__card-title {
    font-size: 17px;
  }
}

.rd-swcu__card-desc {
  margin: 7px 0 0;
  font-size: 10.5px;
  line-height: 1.45;
  color: var(--rd-swcu-text-soft);
}

@media (min-width: 641px) {
  .rd-swcu__card-desc {
    margin-top: 10px;
    font-size: 14.5px;
    line-height: 1.65;
  }
}

/* ===== 数据统计区 ===== */
.rd-swcu__stats {
  padding-top: 52px;
  padding-bottom: 52px;
  border-top: 1px solid var(--rd-swcu-border-soft);
}

@media (min-width: 641px) {
  .rd-swcu__stats {
    padding-top: 64px;
    padding-bottom: 64px;
  }
}

.rd-swcu__stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 641px) {
  .rd-swcu__stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
}

@media (min-width: 1081px) {
  .rd-swcu__stats-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 30px;
  }
}

.rd-swcu__stat {
  padding-top: 18px;
  border-top: 1px solid rgba(234, 84, 63, 0.16);
}

.rd-swcu__stat-value {
  font-size: clamp(40px, 4vw, 50px);
  line-height: 1;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--rd-swcu-accent);
}

.rd-swcu__stat-label {
  margin: 12px 0 0;
  color: var(--rd-swcu-text);
}
