.guide-hero { padding: 72px 0 66px; background: linear-gradient(135deg, #eef1f8, #f7f8fc); border-bottom: 1px solid var(--border); }
.guide-hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 70px; align-items: center; }
.guide-hero h1 { max-width: 760px; font-size: clamp(42px, 5vw, 62px); }
.guide-hero p { max-width: 760px; color: var(--muted); font-size: 18px; }
.guide-summary { padding: 25px 27px; background: white; border: 1px solid var(--border); border-radius: 12px; box-shadow: 0 18px 45px rgba(17,27,52,.08); }
.guide-summary > strong { color: var(--navy); font-size: 18px; }
.guide-summary ul { display: grid; gap: 8px; margin: 16px 0 20px; padding: 0; list-style: none; color: var(--muted); }
.guide-summary li::before { content: "✓"; margin-right: 9px; color: var(--success); font-weight: 900; }
.guide-time { display: inline-flex; padding: 6px 10px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); font-size: 12px; font-weight: 800; }
.guide-layout { display: grid; grid-template-columns: 240px minmax(0, 820px); justify-content: space-between; gap: 70px; padding-top: 70px; }
.guide-toc { position: sticky; top: 98px; align-self: start; display: flex; flex-direction: column; padding: 18px 0; border-top: 3px solid var(--accent); border-bottom: 1px solid var(--border); }
.guide-toc strong { margin-bottom: 10px; color: var(--navy); }
.guide-toc a { padding: 6px 0; color: var(--muted); font-size: 13px; }
.guide-toc a:hover { color: var(--accent); }
.guide-content { min-width: 0; }
.guide-section { position: relative; padding: 0 0 76px; scroll-margin-top: 96px; }
.guide-section + .guide-section { padding-top: 68px; border-top: 1px solid var(--border); }
.guide-section h2 { margin-top: 2px; font-size: clamp(31px, 4vw, 43px); }
.guide-section h3 { margin: 34px 0 14px; color: var(--navy); font-size: 21px; }
.guide-section > p { color: var(--muted); }
.guide-number { display: inline-flex; margin-bottom: 9px; color: var(--accent); font-size: 13px; font-weight: 900; letter-spacing: .12em; }
.guide-steps { display: grid; gap: 2px; margin: 28px 0; padding: 0; list-style: none; counter-reset: guide-step; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.guide-steps li { position: relative; padding: 20px 22px 20px 66px; background: white; counter-increment: guide-step; }
.guide-steps li + li { border-top: 1px solid var(--border); }
.guide-steps li::before { content: counter(guide-step); position: absolute; left: 21px; top: 19px; display: grid; place-items: center; width: 28px; height: 28px; border-radius: 7px; background: var(--accent-soft); color: var(--accent); font-weight: 900; }
.guide-steps strong { color: var(--navy); }
.guide-steps p { margin: 4px 0 0; color: var(--muted); font-size: 14px; }
.callout { margin: 25px 0; padding: 18px 20px; border-left: 4px solid; border-radius: 8px; }
.callout strong { color: inherit; }
.callout p { margin: 4px 0 0; color: inherit; font-size: 14px; }
.callout.info { background: var(--accent-soft); border-color: var(--accent); color: #3930a7; }
.callout.success { background: var(--success-soft); border-color: var(--success); color: #0d6d4c; }
.callout.warning { background: var(--warning-soft); border-color: var(--warning); color: #76501c; }
code { padding: 2px 5px; border-radius: 4px; background: #eceff5; color: #343092; font-family: Consolas, "Courier New", monospace; font-size: .92em; overflow-wrap: anywhere; }
.code-block { margin: 12px 0; padding: 14px 16px; overflow-x: auto; border-radius: 7px; background: var(--console); color: #d8e3f5; font: 13px/1.55 Consolas, monospace; }
.inline-link { color: var(--accent); font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }
.guide-screen { margin: 28px 0; overflow: hidden; border: 1px solid var(--border); border-radius: 10px; background: white; box-shadow: 0 16px 40px rgba(17,27,52,.08); }
.guide-screen img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; object-position: top; background: #eef1f7; }
.guide-screen figcaption { padding: 13px 16px; border-top: 1px solid var(--border); color: var(--muted); font-size: 13px; }
.settings-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 27px 0; }
.settings-grid article { padding: 19px; border: 1px solid var(--border); border-radius: 8px; background: white; }
.settings-grid strong { color: var(--navy); }
.settings-grid p { margin: 5px 0 0; color: var(--muted); font-size: 14px; }
.mode-table { margin-top: 28px; border: 1px solid var(--border-strong); border-radius: 8px; overflow: hidden; }
.mode-table-row { display: grid; grid-template-columns: .7fr 1fr 1.3fr; }
.mode-table-row > * { padding: 13px 15px; border-top: 1px solid var(--border); }
.mode-table-row.head > * { border-top: 0; background: #e9edf4; color: #4f5d73; font-size: 12px; font-weight: 800; }
.mode-table-row:not(.head) { background: white; font-size: 14px; color: var(--muted); }
.mode-table-row strong { color: var(--navy); }
.command-list { display: grid; margin: 28px 0; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.command-list > div { display: grid; grid-template-columns: 210px 1fr; align-items: center; gap: 12px; padding: 14px 17px; background: white; }
.command-list > div + div { border-top: 1px solid var(--border); }
.command-list span { color: var(--muted); font-size: 14px; }
.trouble-list { margin-top: 24px; border-top: 1px solid var(--border-strong); }
.trouble-list details { border-bottom: 1px solid var(--border-strong); }
.trouble-list summary { padding: 19px 36px 19px 0; cursor: pointer; color: var(--navy); font-weight: 700; }
.trouble-list p { margin: 0 0 18px; color: var(--muted); }
.security-list { display: grid; gap: 10px; padding-left: 22px; color: var(--muted); }
.support-box { display: flex; align-items: center; justify-content: space-between; gap: 30px; margin-top: 32px; padding: 24px; border-radius: 10px; background: var(--navy); color: white; }
.support-box p { max-width: 530px; margin: 5px 0 0; color: #b9c5de; font-size: 14px; }
.support-box .button { min-width: 245px; }
.guide-footer { margin-top: 20px; padding-top: 12px; }
.guide-video { display: block; width: 100%; height: auto; margin-top: 24px; border: 1px solid var(--border); border-radius: 10px; background: var(--navy); }

@media (max-width: 900px) {
  .guide-hero-grid { grid-template-columns: 1fr; gap: 35px; }
  .guide-layout { grid-template-columns: 1fr; gap: 0; }
  .guide-toc { position: static; display: grid; grid-template-columns: repeat(2, 1fr); margin-bottom: 55px; }
  .guide-toc strong { grid-column: 1 / -1; }
}
@media (max-width: 650px) {
  .guide-hero { padding: 55px 0 48px; }
  .guide-hero h1 { font-size: 41px; }
  .guide-toc { grid-template-columns: 1fr; }
  .settings-grid { grid-template-columns: 1fr; }
  .mode-table-row { grid-template-columns: 1fr; }
  .mode-table-row.head { display: none; }
  .mode-table-row > * { padding: 9px 14px; border-top: 0; }
  .mode-table-row { padding: 10px 0; border-top: 1px solid var(--border); }
  .command-list > div { grid-template-columns: 1fr; gap: 6px; }
  .support-box { align-items: flex-start; flex-direction: column; }
  .support-box .button { width: 100%; min-width: 0; overflow-wrap: anywhere; }
}