/* 链接可见性增强（对内容站更友好） */
.content a{
  text-decoration:underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
.content a:hover{filter:brightness(0.9);}

/* 焦点样式：提升可访问性 */
a:focus, button:focus, summary:focus{
  outline:3px solid rgba(17,24,39,.18);
  outline-offset:2px;
  border-radius:12px;
}

/* 让正文更“舒服”的阅读节奏 */
.content p{max-width: 72ch;}
.content li{max-width: 72ch;}

/* 让标题更易被理解 */
.content h2, .content h3{
  scroll-margin-top: 90px;
}


/* Anchor offset for fixed header
   - Fixes anchor jump being hidden behind sticky header */
:where([id]){
  scroll-margin-top: 90px;
}

/* Extra safety: content blocks with section anchors */
.content section[id]{
  scroll-margin-top: 90px;
}
/* 打印友好（可选） */
@media print{
  .site-header, .site-footer, .sidebar, .cta-row {display:none !important;}
  body{color:#000;}
  a{text-decoration:underline;}
}