/* 页面一级标题 */
.md-typeset h1 {
  font-weight: 1000;
}

/* 页面二级、三级标题 */
.md-typeset h2,
.md-typeset h3 {
  font-weight: 400;
}

.payment-codes { display: flex; justify-content: center; align-items: flex-start; gap: 3rem; margin: 2rem auto; flex-wrap: wrap; } .payment-card { width: 200px; height: 280px; display: flex; align-items: center; justify-content: center; } .payment-card img { display: block; max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; } /* 手机端改为上下排列 */ @media screen and (max-width: 600px) { .payment-codes { flex-direction: column; align-items: center; gap: 1.5rem; } }