/* 厚德护生｜防溺水冲锋衣 - 独立产品介绍页样式 */

/* 全局重置 + 科技风基础 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: "Microsoft YaHei", "Segoe UI", sans-serif;
  background: #0a0e17;
  color: #e0efff;
  line-height: 1.7;
  text-align: center;
  background-image: radial-gradient(circle at 50% 50%, #111a2c 0%, #0a0e17 70%);
}

/* 头部 */
header {
  padding: 40px 20px;
  background: linear-gradient(135deg, #0f2040, #1a3a66);
  border-bottom: 1px solid #254a8c;
  box-shadow: 0 0 30px rgba(30, 144, 255, 0.25);
}
header h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: #73d1ff;
  text-shadow: 0 0 15px rgba(115, 209, 255, 0.5);
  margin-bottom: 10px;
}
header p {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: #b0d8ff;
}

/* 导航栏 */
nav {
  background: #0f1a30;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  padding: 15px;
  border-bottom: 1px solid #254a8c;
}
nav a {
  color: #73d1ff;
  text-decoration: none;
  font-weight: bold;
  padding: 8px 16px;
  border-radius: 6px;
  transition: all 0.3s ease;
}
nav a:hover {
  background: rgba(30, 144, 255, 0.2);
  color: #fff;
  box-shadow: 0 0 10px rgba(115, 209, 255, 0.4);
}

/* 内容区块 */
section {
  max-width: 1100px;
  margin: 30px auto;
  padding: 25px 20px;
  background: rgba(17, 26, 46, 0.75);
  border: 1px solid #254a8c;
  border-radius: 12px;
  box-shadow: 0 0 25px rgba(30, 144, 255, 0.15);
}
h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: #73d1ff;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid #254a8c;
}
h3 {
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
  color: #a0d8ff;
  margin: 20px 0 10px;
}
p, li {
  font-size: clamp(0.95rem, 2vw, 1.05rem);
  color: #d0e8ff;
}
ul {
  list-style: none;
  margin: 15px auto;
  max-width: 800px;
}
li {
  margin: 8px 0;
}

/* 表格自适应 */
table {
  width: 100%;
  max-width: 800px;
  margin: 20px auto;
  border-collapse: collapse;
}
th, td {
  border: 1px solid #254a8c;
  padding: 12px 8px;
}
th {
  background: rgba(30, 144, 255, 0.15);
  color: #73d1ff;
}
td {
  background: rgba(17, 26, 46, 0.5);
}

/* 页脚 */
footer {
  padding: 25px;
  margin-top: 40px;
  background: #0f1a30;
  border-top: 1px solid #254a8c;
  color: #73d1ff;
}
footer a {
  color: #73d1ff;
}