.guide-layout { max-width: var(--max); margin: 0 auto; padding: 48px 24px 88px; display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 56px; align-items: start; }

/* sidebar */
.guide-toc { position: sticky; top: 84px; max-height: calc(100vh - 110px); overflow-y: auto; padding-right: 8px; }
.guide-toc ol { list-style: none; margin: 0 0 18px; padding: 0; counter-reset: t; }
.guide-toc li { counter-increment: t; }
.guide-toc li a { display: flex; gap: 10px; padding: 6px 10px; border-radius: 8px; color: var(--text-2); font-size: 14px; line-height: 1.35; border-left: 2px solid transparent; }
.guide-toc li a::before { content: counter(t, decimal-leading-zero); font: 11.5px var(--mono); color: var(--text-3); padding-top: 2px; }
.guide-toc li a:hover { color: var(--text); background: rgba(255, 255, 255, .03); }
.guide-toc li a.on { color: var(--text); background: rgba(79, 214, 160, .08); border-left-color: var(--mint); }
.guide-toc li a.on::before { color: var(--mint); }
.md-link { display: inline-flex; align-items: center; gap: 8px; margin-left: 10px; font-size: 13.5px; color: var(--text-2); border: 1px solid var(--line); border-radius: 9px; padding: 7px 12px; }
.md-link:hover { color: var(--text); border-color: #33405a; }

/* article */
.guide { min-width: 0; color: var(--text-2); font-size: 16px; line-height: 1.7; }
.guide h1 { font-size: clamp(38px, 5vw, 56px); font-weight: 800; color: var(--text); margin-bottom: 10px; }
.guide h1 + p em { font: 13px var(--mono); font-style: normal; color: var(--mint); letter-spacing: .04em; }
.guide h2 { font-size: clamp(26px, 3vw, 34px); font-weight: 700; color: var(--text); margin: 8px 0 18px; scroll-margin-top: 90px; }
.guide h3 { font: 700 19px var(--display); color: var(--text); margin: 30px 0 10px; letter-spacing: -.01em; scroll-margin-top: 90px; }
.guide h2 .anchor, .guide h3 .anchor { color: var(--text-3); margin-right: 10px; opacity: 0; transition: opacity .15s; font-weight: 500; }
.guide h2:hover .anchor, .guide h3:hover .anchor { opacity: 1; }
.guide p { margin: 0 0 14px; }
.guide strong { color: var(--text); font-weight: 600; }
.guide a { color: var(--mint); }
.guide ul, .guide ol { padding-left: 22px; margin: 0 0 16px; }
.guide li { margin: 5px 0; }
.guide li::marker { color: var(--mint); }
.guide hr { border: 0; border-top: 1px solid var(--line); margin: 44px 0; }
.guide code { font: 13.5px var(--mono); color: var(--text); background: var(--surface-2); border: 1px solid var(--line); padding: 1px 6px; border-radius: 6px; }
.guide pre { background: #0d1119; border: 1px solid var(--line); border-radius: 12px; padding: 18px; overflow-x: auto; margin: 0 0 18px; }
.guide pre code { background: none; border: 0; padding: 0; font-size: 12.5px; line-height: 1.45; color: var(--text-2); white-space: pre; }
.guide .table-wrap { overflow-x: auto; margin: 0 0 20px; border: 1px solid var(--line); border-radius: 12px; background: var(--bg-2); }
.guide table { width: 100%; border-collapse: collapse; font-size: 14.5px; line-height: 1.5; }
.guide th { text-align: left; font: 500 11.5px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--text-3); padding: 12px 16px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.guide td { padding: 11px 16px; border-bottom: 1px solid rgba(255, 255, 255, .04); vertical-align: top; }
.guide tr:last-child td { border-bottom: 0; }
.guide td:first-child { color: var(--text); }
.inline-toc { display: none; }
.guide-foot { margin-top: 48px !important; padding-top: 20px; border-top: 1px solid var(--line); font-size: 14px; color: var(--text-3); }
.nav nav a[aria-current="page"] { color: var(--text); background: rgba(255, 255, 255, .06); }

@media (max-width: 900px) {
  .guide-layout { grid-template-columns: 1fr; gap: 0; padding-top: 32px; }
  .guide-toc { display: none; }
  .inline-toc { display: block; background: var(--bg-2); border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px 6px; margin-bottom: 8px; }
  .inline-toc h2 { font-size: 20px; margin-top: 0; }
}
@media (max-width: 640px) {
  .guide-layout { padding: 24px 16px 60px; }
  .guide { font-size: 15.5px; }
  .guide pre code { font-size: 10.5px; }
}