body {
  margin: 0;
  font-family: "Inter", system-ui, sans-serif;
  background: #fef9fb;
  color: #6b6b6b;
  line-height: 1.8;
}

/* 温柔甜美的粉彩雾化背景 */
.bg {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at top left, #ffd9e8 0%, transparent 60%),
              radial-gradient(circle at bottom right, #e8d9ff 0%, transparent 60%);
  opacity: 0.55;
  z-index: -1;
}

/* 标题区 */
.header {
  text-align: center;
  padding: 4rem 1rem 2rem;
}

.title {
  font-size: 2.6rem;
  font-weight: 700;
  color: #e86ba5;
}

.subtitle {
  font-size: 1.2rem;
  color: #b79adf;
  margin-top: 0.5rem;
}

/* 主体内容 */
.main {
  max-width: 800px;
  margin: 0 auto;
  padding: 1rem;
}

/* 更柔、更甜的玻璃拟态卡片 */
.card {
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.5);
  padding: 2rem;
  border-radius: 26px;
  margin-bottom: 1.8rem;
  backdrop-filter: blur(22px);
  box-shadow: 0 10px 28px rgba(255, 182, 193, 0.25);
  transition: transform 0.25s ease, background 0.25s ease;
}

.card:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.78);
}

.card h2 {
  margin-top: 0;
  font-size: 1.5rem;
  color: #e86ba5;
}

/* 链接 */
a {
  color: #d66fd1;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* 页脚 */
.footer {
  text-align: center;
  padding: 2rem 0;
  color: #b79adf;
  font-size: 0.9rem;
}