/* ToDesk 内页样式 — 亮色居中 */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Segoe UI','Microsoft YaHei',system-ui,-apple-system,sans-serif;background:#f5f7fa;color:#1f2937;line-height:1.8}

/* 顶栏 */
.site-header{background:#fff;border-bottom:1px solid #e2e8f0;position:sticky;top:0;z-index:999}
.site-header .container{max-width:960px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:64px}
.site-header .logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;color:#0066FF;text-decoration:none}
.site-header .logo img{height:32px;width:auto}
.nav-links{display:flex;align-items:center;gap:24px}
.nav-links a{color:#64748b;text-decoration:none;font-size:14px;font-weight:500;transition:color .2s}
.nav-links a:hover{color:#0066FF}
.nav-links a.active{color:#0066FF;font-weight:600}
.nav-toggle{display:none}

/* 面包屑 */
.breadcrumb{max-width:960px;margin:0 auto;padding:16px 24px 0;font-size:13px;color:#94a3b8}
.breadcrumb a{color:#64748b;text-decoration:none}
.breadcrumb a:hover{color:#0066FF}
.breadcrumb span{color:#1f2937}

/* 文章 */
article{max-width:960px;margin:0 auto;padding:0 24px}
.article-header{text-align:center;padding:32px 0 8px}
.article-header h1{font-size:32px;font-weight:800;color:#0f172a;line-height:1.35;margin-bottom:12px}
.article-header h1 .kw{color:#0066FF}
.article-meta{font-size:13px;color:#94a3b8}

.article-body{background:#fff;border:1px solid #e2e8f0;border-radius:16px;padding:36px 40px;margin:24px 0 48px}
.article-body p{font-size:16px;line-height:1.9;color:#334155;margin-bottom:18px}
.article-body p strong{color:#0066FF}
.article-body h2{font-size:20px;font-weight:700;color:#0f172a;margin:28px 0 12px;padding-left:12px;border-left:3px solid #0066FF}

/* 页脚 */
.site-footer{background:#fff;border-top:1px solid #e2e8f0;padding:28px 0;text-align:center}
.site-footer p{font-size:13px;color:#94a3b8}

@media(max-width:768px){
  .article-body{padding:24px 20px}
  .article-header h1{font-size:24px}
  .nav-toggle{display:block;background:none;border:none;width:28px;height:28px;position:relative;cursor:pointer}
  .nav-toggle span{display:block;position:absolute;left:0;width:100%;height:2px;background:#0f172a;transition:all .3s}
  .nav-toggle span:nth-child(1){top:6px}
  .nav-toggle span:nth-child(2){top:13px}
  .nav-toggle span:nth-child(3){top:20px}
  .nav-links{display:none}
  .nav-links.open{display:flex;flex-direction:column;position:absolute;top:64px;left:0;right:0;background:#fff;padding:16px 24px;gap:14px;border-bottom:1px solid #e2e8f0}
}