/* 用户操作指导页补充样式（依赖 style.css 变量） */

.guide-layout {
  display: grid;
  gap: 1.5rem;
  padding: 4.5rem 0 3.5rem;
}

/* 操作指导页不做首页 reveal 入场：避免 opacity:0 且无人加 is-visible 导致整页空白 */
.guide-layout .reveal,
.guide-hero.reveal,
.guide-section.reveal {
  opacity: 1 !important;
  transform: none !important;
}

.guide-hero {
  display: grid;
  gap: 1rem;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 2.5rem);
}

.guide-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.25;
  letter-spacing: 0.02em;
  word-break: keep-all;
  overflow-wrap: break-word;
  line-break: strict;
}

.guide-toc {
  position: sticky;
  top: 4.4rem;
  z-index: 30;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.75rem clamp(1rem, 4vw, 2.5rem);
  background: rgba(7, 11, 18, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.guide-toc a {
  font-size: 0.82rem;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.guide-toc a:hover {
  color: var(--ink);
  border-color: rgba(62, 224, 197, 0.45);
  background: rgba(62, 224, 197, 0.08);
}

.guide-section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.75rem clamp(1rem, 4vw, 2.5rem);
  scroll-margin-top: 7.5rem;
}

.guide-card {
  display: grid;
  gap: 1.25rem;
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(14, 21, 34, 0.72);
}

.guide-card h2 {
  margin: 0;
  font-size: clamp(1.25rem, 2.5vw, 1.55rem);
  font-family: var(--font-display);
  word-break: keep-all;
  overflow-wrap: break-word;
  line-break: strict;
}

.guide-card .step-lead {
  margin: 0;
  color: var(--muted);
}

.guide-figure {
  margin: 0;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #0a101a;
}

.guide-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 720px;
  object-fit: contain;
  background: #0a101a;
  margin: 0 auto;
}

.guide-figure figcaption {
  padding: 0.65rem 0.9rem;
  color: var(--muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--line);
}

.guide-steps {
  margin: 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.55rem;
}

.guide-steps li::marker {
  color: var(--accent);
  font-weight: 700;
}

.guide-tips {
  margin: 0;
  padding: 0.9rem 1rem;
  border-left: 3px solid var(--accent);
  background: rgba(62, 224, 197, 0.07);
  border-radius: 0 10px 10px 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.guide-tips strong {
  color: var(--ink);
}

.guide-grid-2 {
  display: grid;
  gap: 0.85rem;
}

.guide-mini {
  padding: 0.9rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(7, 11, 18, 0.45);
}

.guide-mini h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
}

.guide-mini p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.guide-faq details {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.75rem 1rem;
  background: rgba(7, 11, 18, 0.35);
}

.guide-faq details + details {
  margin-top: 0.55rem;
}

.guide-faq summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}

.guide-faq summary::-webkit-details-marker {
  display: none;
}

.guide-faq summary::before {
  content: "+";
  display: inline-block;
  width: 1.2em;
  color: var(--accent);
  font-weight: 700;
}

.guide-faq details[open] summary::before {
  content: "–";
}

.guide-faq p {
  margin: 0.55rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.guide-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.35rem;
}

@media (min-width: 860px) {
  .guide-card.split {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: start;
  }

  .guide-grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}