/* 📖 초보자 안내서 본문 — 전부 .gd 접두. index.html 의 #guide-panel 안에서만 쓰인다 */
.gd { font: 15px/1.6 -apple-system, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif; color: #1e2a24;
  max-width: 920px; margin: 0 auto; padding: 4px 16px 56px; -webkit-text-size-adjust: 100%; }
.gd * { box-sizing: border-box; }
.gd-sec { padding: 22px 0 26px; border-bottom: 1px solid #d9ded3; scroll-margin-top: 8px; }
.gd-sec:last-child { border-bottom: none; }
.gd-eyebrow { font-size: 12px; letter-spacing: .1em; font-weight: 700; color: #2f6b4a; margin-bottom: 4px; }
.gd h2 { font-size: 22px; line-height: 1.25; margin: 0 0 8px; font-weight: 800; color: #1f4a33; letter-spacing: -.01em; }
.gd h3 { font-size: 16px; margin: 14px 0 6px; font-weight: 800; color: #1f4a33; }
.gd h3 small { font-weight: 400; color: #4a5a50; font-size: 13px; margin-left: 4px; }
.gd p { margin: 0 0 10px; }
.gd .lead { color: #4a5a50; margin-bottom: 12px; }
.gd .cols { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 720px) { .gd .cols { grid-template-columns: 1fr 1fr; align-items: start; } }
/* 그리드 자식의 min-width:auto 가 표·긴 문장을 열 밖으로 밀어내는 걸 막는다 — 표는 .tbl 안에서만 가로 스크롤 */
.gd .cols > *, .gd .cards > *, .gd .check > * { min-width: 0; }
.gd .tbl { max-width: 100%; }
.gd .shot { width: 100%; height: auto; border-radius: 10px; border: 1px solid #d9ded3; display: block; background: #000; }
.gd .shot.tall { max-width: 260px; margin: 0 auto; }
.gd .cap { font-size: 12.5px; color: #4a5a50; margin: 6px 0 12px; line-height: 1.4; }
.gd .steps { list-style: none; margin: 0 0 12px; padding: 0; display: flex; flex-direction: column; gap: 9px; }
.gd .steps li { display: grid; grid-template-columns: 26px 1fr; gap: 10px; align-items: start; }
.gd .steps .n { width: 24px; height: 24px; border-radius: 50%; background: #2f6b4a; color: #fff; font-weight: 800; font-size: 13px; display: flex; align-items: center; justify-content: center; margin-top: 1px; }
.gd .list { margin: 0 0 12px; padding-left: 18px; display: flex; flex-direction: column; gap: 6px; }
.gd .list li::marker { color: #2f6b4a; }
.gd .tip { background: #e6f4ea; border-left: 4px solid #2f6b4a; padding: 10px 14px; border-radius: 0 8px 8px 0; margin: 12px 0; font-size: 14.5px; }
.gd .tip b { color: #1f4a33; }
.gd .warn { background: #fbebdd; border-left: 4px solid #b5541c; padding: 10px 14px; border-radius: 0 8px 8px 0; margin: 12px 0; font-size: 14.5px; }
.gd .warn b { color: #b5541c; }
.gd .kbd { display: inline-block; border: 1px solid #b9c2b8; border-bottom-width: 2px; border-radius: 6px; padding: 0 7px; font-size: 13px; font-weight: 700; background: #fff; color: #1f4a33; line-height: 1.5; }
.gd .cards { display: grid; grid-template-columns: 1fr; gap: 10px; margin: 0 0 12px; }
@media (min-width: 720px) { .gd .cards { grid-template-columns: repeat(3, 1fr); } .gd .cards.two { grid-template-columns: 1fr 1fr; } .gd .cards.four { grid-template-columns: repeat(2, 1fr); } }
.gd .card { background: #fff; border: 1px solid #d9ded3; border-radius: 12px; padding: 12px 14px; }
.gd .card h3 { margin: 0 0 4px; font-size: 15px; }
.gd .card p { margin: 0; font-size: 14px; color: #4a5a50; }
.gd .card .shot { margin-bottom: 8px; }
.gd .tbl { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 0 0 12px; }
.gd table { border-collapse: collapse; width: 100%; min-width: 480px; font-size: 14px; }
.gd th, .gd td { padding: 7px 9px; text-align: left; border-bottom: 1px solid #d9ded3; vertical-align: top; line-height: 1.4; }
.gd th { font-size: 12.5px; color: #1f4a33; letter-spacing: .04em; font-weight: 800; background: #e6f4ea; }
.gd table.faq { min-width: 0; }
.gd table.faq td:first-child { font-weight: 700; color: #1f4a33; white-space: nowrap; }
.gd .check { list-style: none; margin: 0 0 12px; padding: 0; display: grid; grid-template-columns: 1fr; gap: 6px; }
@media (min-width: 720px) { .gd .check { grid-template-columns: 1fr 1fr; } }
.gd .check li::before { content: "☐ "; color: #2f6b4a; }
.gd-tut { display: inline-flex; align-items: center; gap: 6px; margin: 0 0 14px; padding: 9px 16px; border: none; border-radius: 12px;
  background: #2f6b4a; color: #fff; font-weight: 700; font-size: 14px; cursor: pointer; }
.gd-tut:active { transform: scale(.97); }
.gd.dev-pc [data-dev="touch"], .gd.dev-touch [data-dev="pc"] { display: none !important; }
.gd-devtabs { display: inline-flex; gap: 4px; padding: 3px; border-radius: 999px; background: #fff; border: 1px solid #c4dfcb; }
.gd-devtabs button { border: none; background: none; padding: 4px 12px; border-radius: 999px; font: inherit; font-size: 13px; color: #1f4a33; cursor: pointer; }
.gd-devtabs button[aria-pressed="true"] { background: #2f6b4a; color: #fff; }
.gd-toc { position: fixed; top: 50%; right: 20px; transform: translateY(-50%); z-index: 3; max-height: calc(100vh - 160px); overflow-y: auto; scrollbar-width: none;
  padding: 10px 8px; border-radius: 12px; border: 1px solid transparent; font: 12.5px/1.35 -apple-system, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif; color: #6f7d72;
  transition: background .15s, box-shadow .15s, border-color .15s; }
.gd-toc::-webkit-scrollbar { display: none; }
.gd-toc ol { list-style: none; margin: 0; padding: 0; }
.gd-toc a { display: flex; align-items: center; justify-content: flex-end; gap: 14px; padding: 3px 2px; color: inherit; text-decoration: none; }
.gd-toc a i { order: 2; flex: none; width: 14px; height: 2px; border-radius: 2px; background: #dbe1d7; transition: background .15s, width .15s; }
.gd-toc a.on i { width: 18px; background: #7fa58b; }
.gd-toc a span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.gd-toc .gd-toc-part { height: 8px; overflow: hidden; color: transparent; font-size: 11px; font-weight: 700; letter-spacing: .04em; }
.gd-toc:hover, .gd-toc:focus-within { background: rgba(255, 255, 255, .96); border-color: #e3e8df; box-shadow: 0 8px 24px rgba(30, 42, 36, .08); }
.gd-toc:hover a, .gd-toc:focus-within a { justify-content: space-between; }
.gd-toc:hover a span, .gd-toc:focus-within a span { position: static; width: auto; height: auto; overflow: visible; clip: auto; }
.gd-toc a:hover span, .gd-toc a:focus-visible span { color: #2f5b3f; }
.gd-toc a.on span { color: #1f4a33; font-weight: 700; }
.gd-toc:hover .gd-toc-part, .gd-toc:focus-within .gd-toc-part { height: auto; margin: 6px 2px 2px; color: #a8b3aa; }
@media (max-width: 1099px) { .gd-toc { display: none; } }