/* ============ 板块容器 ============ */
.rd-hero { background: #fff; overflow: hidden; }

/* ============ 上半区：文字 + 绝对定位大图 ============ */
.rd-hero-top { position: relative; }

.rd-hero-pic {
  position: absolute;
  top: 0;
  right: 0;
  width: 56%;
  height: calc(100% + 46px);
  z-index: 1;
}
.rd-hero-pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

/* ============ 左侧文字 ============ */
.rd-hero-content {
  position: relative;
  z-index: 2;
  width: 44%;
  padding: 60px 0 56px;
}

/* 小标题 */
.rd-tag {
  font-size: clamp(14px, 0.78vw, 15px);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #111;
  margin-bottom: 14px;
}

/* 大标题 */
.rd-title {
  font-size: clamp(24px, 2.50vw, 48px);
  line-height: 1.15;
  font-weight: 600;
  color: #111;
  margin: 0 0 20px;
}

/* 描述 */
.rd-desc {
  font-size: clamp(14px, 0.83vw, 16px);
  line-height: 1.7;
  color: #161616;
  max-width: 460px;
  margin: 0 0 26px;
}

/* 按钮区 */
.rd-btns {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 16px;
}
.rd-btn {
  display: inline-block;
  padding: 14px 26px;
  border-radius: 4px;
  font-size: clamp(14px, 0.83vw, 16px);
  font-weight: 600;
  color: #fff;
  text-decoration: none;
  text-align: center;
  transition: all .25s ease;
  white-space: nowrap;
}
.rd-btn:hover { transform: translateY(-2px); }
.rd-btn-red { background: #f04e30; }
.rd-btn-red:hover {
  background: #d9401f;
  box-shadow: 0 6px 16px rgba(240,78,48,.35);
  color: #fff;
}
.rd-btn-black { background: #111; }
.rd-btn-black:hover {
  background: #000;
  box-shadow: 0 6px 16px rgba(0,0,0,.3);
  color: #fff;
}

/* ============ 统计卡：压在图片延伸部分上 ============ */
.rd-stats {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  padding-bottom: 50px;
}
.rd-stat {
  background: #fff;
  border: 1px solid #939393;
  border-radius: 8px;
  min-height: 86px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 14px 10px;
  box-sizing: border-box;
}
.rd-stat strong {
  font-size: clamp(24px, 1.67vw, 32px);
  font-weight: 800;
  color: #111;
  line-height: 1.2;
}
.rd-stat span {
  font-size: clamp(14px, 0.83vw, 16px);
  color: #161616;
  margin-top: 10px;
  line-height: 1.35;
}

/* ============ ≤1280：收窄比例 ============ */
@media screen and (max-width: 1280px) {
  .rd-hero-pic { width: 52%; }
  .rd-hero-content { width: 48%; padding: 46px 0 46px; }
  .rd-desc { max-width: 400px; }
}

/* ============ ≤1024：竖排，图移到文字下方 ============ */
@media screen and (max-width: 1024px) {
  .rd-hero-content { width: 100%; padding: 44px 0 10px; }
  .rd-desc { max-width: 560px; }

  .rd-hero-pic {
    position: static;
    width: 100%;
    height: auto;
  }
  .rd-hero-pic img { height: 340px; }

  .rd-stats {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    padding-top: 24px;
    padding-bottom: 40px;
  }
}

/* ============ ≤640：手机 ============ */
@media screen and (max-width: 640px) {
  .rd-hero-content { padding: 32px 0 8px; }
  .rd-btns { flex-direction: column; align-items: stretch; }
  .rd-btn { width: 100%; box-sizing: border-box; }
  .rd-hero-pic img { height: 240px; }
  .rd-stats { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .rd-stat { min-height: 78px; }
}