.guide { background: var(--bg); }
.guide__wrap { width: min(100% - 40px, 860px); margin-inline: auto; }
.guide__header { border-bottom: 1px solid var(--border); }
.guide__header-inner { min-height: 70px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.guide__brand { font-size: 20px; font-weight: 800; letter-spacing: -.03em; }
.guide__brand span { color: var(--accent); }
.guide__back { color: var(--muted); font-size: 14px; }
.guide__back:hover, .guide__section a:hover, .guide__footer > a:last-child:hover { color: var(--accent-hover); }
.guide main { padding-block: clamp(40px, 8vw, 86px) 80px; }
.guide__breadcrumbs { display: flex; align-items: center; gap: 9px; margin-bottom: 28px; color: var(--muted); font-size: 13px; }
.guide__breadcrumbs a { color: var(--text); }
.guide__eyebrow, .guide__step { color: var(--accent); font-size: 12px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.guide h1 { margin-top: 10px; max-width: 720px; font-size: clamp(34px, 6vw, 64px); line-height: 1.06; }
.guide__lead { max-width: 730px; margin: 24px 0 0; color: var(--muted); font-size: clamp(17px, 2.4vw, 20px); line-height: 1.6; }
.guide__toc { display: flex; flex-wrap: wrap; gap: 8px; margin: 32px 0 16px; }
.guide__toc a { padding: 9px 13px; border: 1px solid var(--border); border-radius: var(--r-pill); color: var(--text); font-size: 13px; font-weight: 700; }
.guide__toc a:hover { border-color: var(--accent); background: var(--accent-soft); }
.guide__section { scroll-margin-top: 24px; padding: clamp(30px, 5vw, 48px) 0; border-bottom: 1px solid var(--border); }
.guide__section h2 { margin: 12px 0 16px; font-size: clamp(25px, 4vw, 36px); line-height: 1.15; }
.guide__section p, .guide__section li { color: var(--muted); font-size: 16px; line-height: 1.75; }
.guide__section p { margin: 0 0 16px; }
.guide__section ol, .guide__section ul { margin: 0 0 18px; padding-left: 23px; }
.guide__section li + li { margin-top: 10px; }
.guide__section a { color: var(--white); text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: 4px; }
.guide__section--choice { padding-top: clamp(34px, 6vw, 58px); }
.guide__choices { display: grid; gap: 12px; margin-top: 28px; }
.guide__choice { scroll-margin-top: 24px; border: 1px solid var(--border); border-radius: var(--r-md); background: var(--panel); overflow: hidden; }
.guide__choice[open] { border-color: var(--accent); }
.guide__choice summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 21px 24px; color: var(--text); font-size: 22px; font-weight: 800; cursor: pointer; list-style: none; }
.guide__choice summary::-webkit-details-marker { display: none; }
.guide__choice summary:focus-visible { outline: 2px solid var(--accent); outline-offset: -4px; }
.guide__choice-state::before { content: '+'; display: block; color: var(--accent); font-size: 26px; font-weight: 400; line-height: 1; }
.guide__choice[open] .guide__choice-state::before { content: '−'; }
.guide__choice-content { padding: 0 24px 24px; border-top: 1px solid var(--border); }
.guide__choice-content ol { margin: 22px 0 0; }
.guide__choice-content p { margin-top: 20px; }
.guide__links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-top: 22px; }
.guide__links a { padding: 16px 18px; border: 1px solid var(--border); border-radius: var(--r-md); background: var(--panel); text-decoration: none; font-weight: 800; }
.guide__links a:hover { border-color: var(--accent); }
.guide__section .guide__callout { margin-top: 22px; padding: 16px 18px; border-left: 3px solid var(--accent); background: var(--panel); color: var(--text); }
.guide__footer { display: flex; align-items: center; flex-wrap: wrap; gap: 20px; padding-top: 32px; }
.guide__footer > a:last-child { color: var(--muted); }
@media (max-width: 560px) {
  .guide__wrap { width: min(100% - 32px, 860px); }
  .guide__choice summary { padding: 18px; font-size: 20px; }
  .guide__choice-content { padding: 0 18px 20px; }
  .guide__links { grid-template-columns: minmax(0, 1fr); }
  .guide__footer .btn { width: 100%; }
}