.track-tabs { grid-template-columns: repeat(2, 1fr); }
.xiaochuang-hero { position: absolute; z-index: 3; right: max(5px, calc((100vw - var(--max)) / 2 - 15px)); bottom: 12px; display: flex; align-items: center; }
.xiaochuang-hero img { width: 180px; height: 180px; object-fit: contain; filter: drop-shadow(0 16px 20px rgba(0,0,0,.35)); }
.xiaochuang-hero div { margin-left: -22px; margin-top: 72px; padding: 11px 14px; border: 1px solid rgba(141,187,255,.3); border-radius: 10px; background: rgba(8,28,59,.88); backdrop-filter: blur(10px); }
.xiaochuang-hero b, .xiaochuang-hero span { display: block; }
.xiaochuang-hero b { font-size: 12px; color: #d9edff; }
.xiaochuang-hero span { margin-top: 3px; font-size: 10px; color: #7fa0cc; }
.xiaochuang-note { display: grid; grid-template-columns: 82px 1fr; gap: 18px; align-items: center; margin: 28px 0; padding: 16px 20px; border: 1px solid #cfe0f8; border-radius: 12px; background: #edf5ff; }
.xiaochuang-note img { width: 82px; height: 82px; object-fit: contain; }
.xiaochuang-note b { display: block; color: #0f58bd; font-size: 13px; }
.xiaochuang-note p { margin: 5px 0 0; color: #60728a; font-size: 13px; line-height: 1.7; }
.full-article { margin-top: 38px; padding-top: 34px; border-top: 1px solid #dcd8cf; }
.full-article > h4 { font-size: 21px; }
.markdown-body { color: #455268; line-height: 1.85; font-size: 14px; }
.markdown-body h1 { display: none; }
.markdown-body h2 { margin: 42px 0 15px; font-size: 25px; letter-spacing: -.5px; color: #17243a; }
.markdown-body h3 { margin: 30px 0 12px; font-size: 18px; color: #1a5fbf; }
.markdown-body p { margin: 12px 0; }
.markdown-body ul, .markdown-body ol { display: block; padding-left: 24px; }
.markdown-body li { padding-left: 5px; margin: 7px 0; }
.markdown-body li::before { display: none; }
.markdown-body blockquote { margin: 20px 0; padding: 14px 18px; border-left: 3px solid var(--blue); background: #eef5ff; color: #46617f; }
.markdown-body pre { overflow: auto; padding: 18px; border-radius: 9px; background: #071329; color: #cbe0ff; font: 12px/1.75 "Space Grotesk", monospace; }
.markdown-body code { padding: 2px 5px; border-radius: 4px; background: #e9edf3; color: #145bbf; }
.markdown-body pre code { padding: 0; background: transparent; color: inherit; }
.markdown-body table { width: 100%; border-collapse: collapse; margin: 20px 0; }
.markdown-body th, .markdown-body td { padding: 10px; border: 1px solid #d8dce3; text-align: left; vertical-align: top; }
.knowledge-count { display: inline-flex; margin-left: 8px; padding: 3px 7px; border-radius: 999px; background: #e5effd; color: #1662c9; font-size: 10px; }
@media (max-width: 700px) {
  .xiaochuang-hero { position: relative; right: auto; bottom: auto; grid-column: 1; margin-top: -35px; justify-content: center; }
  .xiaochuang-hero img { width: 145px; height: 145px; }
  .xiaochuang-hero div { margin-left: -18px; }
  .xiaochuang-note { grid-template-columns: 64px 1fr; }
  .xiaochuang-note img { width: 64px; height: 64px; }
  .markdown-body h2 { font-size: 22px; }
  .markdown-body pre { font-size: 11px; }
}