/* ========== 全局通用样式 ========== */
:root {
  --main-green: #2d8b47;
  --dark-green: #1e7539;
  --text-dark: #555;
  --text-light: #666;
  --shadow-light: 0 4px 20px rgba(0, 0, 0, 0.04);
  --shadow-hover: 0 8px 20px rgba(0, 0, 0, 0.08);
  --transition: all 0.3s ease;
}

/* ========== Banner 样式（完全统一） ========== */
.banner {
  height: 320px;
  background: linear-gradient(to right, var(--dark-green), var(--main-green));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.banner h1 {
  font-size: 40px;
  margin-bottom: 15px;
}
.banner p {
  font-size: 18px;
  opacity: 0.9;
}

/* ========== 容器样式（统一宽度） ========== */
.container {
  width: 90%;
  max-width: 1100px;
  margin: 60px auto;
  padding: 0 20px;
}

/* ========== 页面标题 ========== */
.page-title {
  text-align: center;
  font-size: 28px;
  color: var(--main-green);
  margin-bottom: 50px;
  position: relative;
}
.page-title::after {
  content: "";
  width: 60px;
  height: 3px;
  background: var(--main-green);
  position: absolute;
  left: 50%;
  bottom: -10px;
  transform: translateX(-50%);
}

/* ========== 关于我们主体 ========== */
.about-card {
  background: #fff;
  border-radius: 16px;
  padding: 50px;
  box-shadow: var(--shadow-light);
  animation: fadeIn 0.8s ease forwards;
}
.about-card h2 {
  font-size: 28px;
  color: var(--main-green);
  margin-bottom: 24px;
  position: relative;
}
.about-card h2::after {
  content: "";
  width: 50px;
  height: 3px;
  background: var(--main-green);
  position: absolute;
  left: 0;
  bottom: -8px;
  border-radius: 2px;
}
.about-card p {
  font-size: 16px;
  color: var(--text-dark);
  margin-bottom: 18px;
  line-height: 1.7;
}

/* ========== 优势卡片组 ========== */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.feature {
  background: #fff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: var(--shadow-light);
  transition: var(--transition);
}
.feature:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.feature h3 {
  color: var(--main-green);
  margin-bottom: 12px;
  font-size: 18px;
}
.feature p {
  color: var(--text-light);
  font-size: 14px;
  line-height: 1.6;
}

/* ========== 动画 ========== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ========== 移动端适配（合并去重） ========== */
@media (max-width: 768px) {
  html, body {
    width: 100%;
    overflow-x: hidden;
  }
  .banner h1 { font-size: 28px; }
  .banner p { font-size: 15px; }
  .container { width: 95%; padding: 0 10px; margin: 40px auto; }
  .features {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  .about-card {
    padding: 25px 15px;
  }
  .about-card h2 { font-size: 22px; }
  .about-card p { font-size: 14px; }
  .honor-item {
    width: 150px;
    height: 200px;
  }
  .honor-slider {
    height: 220px;
  }
  .honor-title,
  .page-title {
    font-size: 24px;
  }
}