/* 下载、帮助、法务等内页
   只使用 style.css 里的品牌令牌；版面靠字级、留白和整块色域分层。 */

.page-hero {
  width: min(var(--page), calc(100% - var(--gutter) * 2));
  margin-inline: auto;
  padding: 72px 0 52px;
}

.page-hero h1 {
  max-width: 15em;
  font-family: var(--font-display);
  font-size: clamp(38px, 6vw, 72px);
  font-weight: 600;
  line-height: 1.06;
  letter-spacing: -0.03em;
}

.page-lead {
  max-width: 36em;
  margin-top: 24px;
  font-size: 19px;
  line-height: 1.8;
  color: var(--ink-2);
}

.back-link {
  display: inline-block;
  margin-bottom: 24px;
  font-size: 15px;
  color: var(--ink-2);
}

.back-link:hover {
  color: var(--accent);
}

.page-section {
  width: min(var(--page), calc(100% - var(--gutter) * 2));
  margin-inline: auto;
  padding: 24px 0 64px;
}

.page-section:first-of-type {
  padding-top: 0;
}

.page-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

.panel {
  padding: clamp(24px, 4vw, 44px);
  background: var(--field);
}

.panel-dark {
  background: var(--dark);
  color: var(--on-dark);
}

.panel h2,
.section-heading {
  font-family: var(--font-display);
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.panel h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  line-height: 1.25;
}

.panel p,
.panel li {
  margin-top: 14px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-2);
}

.panel-dark p,
.panel-dark li {
  color: var(--on-dark-2);
}

.panel-dark h2,
.panel-dark h3 {
  color: var(--on-dark);
}

.status {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-light);
}

.panel:not(.panel-dark) .status {
  color: var(--accent);
}

.steps {
  margin-top: 20px;
  padding-left: 1.2em;
}

.steps li {
  padding-left: 6px;
}

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

.panel-dark .steps strong {
  color: var(--on-dark);
}

.meta {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-2);
}

.page-cta {
  margin-top: 28px;
}

.plain-list {
  margin-top: 18px;
  padding-left: 1.2em;
  list-style: disc;
}

.plain-list li {
  margin-top: 10px;
}

.section-heading {
  margin-bottom: 8px;
}

.help-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 28px;
  margin-top: 26px;
  font-size: 15px;
}

.help-toc a {
  color: var(--accent);
}

.help-toc a:hover {
  color: var(--accent-dark);
}

.help-group {
  padding: 36px 0 8px;
}

.help-group h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 600;
  line-height: 1.2;
}

.qa details {
  padding: 18px 0;
}

.qa summary {
  cursor: pointer;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.55;
}

.qa details p {
  max-width: 46em;
  margin-top: 10px;
  padding-left: 20px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-2);
}

.draft {
  padding: clamp(24px, 4vw, 44px);
  background: var(--field-2);
}

.draft h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 600;
  line-height: 1.2;
}

.draft p,
.draft li {
  margin-top: 12px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-2);
}

.draft ul {
  margin-top: 12px;
  padding-left: 1.2em;
  list-style: disc;
}

.legal-grid {
  display: grid;
  gap: 24px;
}

.legal-card {
  padding: clamp(24px, 4vw, 40px);
  background: var(--field);
}

.legal-card h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 600;
  line-height: 1.2;
}

.legal-card p,
.legal-card li {
  margin-top: 12px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-2);
}

.legal-card ul {
  margin-top: 12px;
  padding-left: 1.2em;
  list-style: disc;
}

.page-end {
  width: min(var(--page), calc(100% - var(--gutter) * 2));
  margin-inline: auto;
  padding: 24px 0 88px;
}

.page-end h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 46px);
  font-weight: 600;
  line-height: 1.15;
}

.page-end p {
  max-width: 34em;
  margin-top: 16px;
  font-size: 17px;
  line-height: 1.8;
  color: var(--ink-2);
}

/* ---------- 机器人教程 ---------- */

.bot-title {
  margin-top: 48px;
  font-family: var(--font-display);
  font-size: clamp(22px, 2.4vw, 28px);
  font-weight: 600;
  line-height: 1.25;
}

.bot-lead {
  max-width: 46em;
  margin-top: 12px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-2);
}

.code-block {
  max-width: 100%;
  margin-top: 14px;
  padding: 16px 18px;
  overflow-x: auto;
  border-radius: 10px;
  background: var(--field-2);
  color: var(--ink);
  font-size: 13px;
  line-height: 1.75;
  white-space: pre;
  -webkit-overflow-scrolling: touch;
}

code {
  padding: 1px 5px;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.06);
  font-size: 0.92em;
}

@media (max-width: 860px) {
  .page-hero {
    padding: 48px 0 36px;
  }

  .page-lead {
    margin-top: 18px;
  }

  .page-grid {
    grid-template-columns: 1fr;
  }

  .page-section {
    padding: 16px 0 48px;
  }

  .help-group {
    padding-top: 28px;
  }
}

@media (max-width: 560px) {
  .page-hero h1 {
    font-size: clamp(32px, 9vw, 42px);
  }

  .page-lead {
    font-size: 17px;
  }

  .page-section {
    padding-bottom: 40px;
  }
}