.page-faq {
  --faq-gap: clamp(20px, 3vw, 44px);
  background: var(--ink-900);
  color: var(--cream);
  overflow-x: hidden;
}

.page-faq .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .06em;
}

/* 面包屑 */
.page-faq .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 22px 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  letter-spacing: .08em;
  color: var(--muted);
}
.page-faq .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .12s ease, border-color .12s ease;
}
.page-faq .breadcrumb a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}
.page-faq .crumb-sep {
  color: var(--line);
}

/* 首屏检索台 */
.page-faq .faq-hero {
  padding: clamp(26px, 4vw, 46px) 0 clamp(36px, 5vw, 70px);
  background:
    radial-gradient(720px 340px at 12% -8%, rgba(49, 225, 212, .12), transparent 68%),
    linear-gradient(180deg, var(--ink-950) 0%, var(--ink-900) 74%);
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(26px, 3.5vw, 48px);
  align-items: start;
}
.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 5.6vw, 62px);
  line-height: 1.05;
  letter-spacing: -.01em;
  margin: 16px 0 0;
  max-width: 20ch;
  color: var(--cream);
}
.page-faq .faq-hero .lead {
  margin: 18px 0 0;
  max-width: 44ch;
  font-size: var(--fs-lead);
  line-height: 1.72;
  color: var(--muted);
}

/* 检索控制台 */
.page-faq .search-console {
  margin-top: clamp(22px, 3vw, 34px);
  padding: clamp(16px, 2.2vw, 24px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(23, 37, 95, .94), rgba(14, 26, 71, .94));
  box-shadow: var(--shadow);
}
.page-faq .search-console__label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  letter-spacing: .1em;
  color: var(--muted);
}
.page-faq .search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-950);
  transition: border-color .12s ease, box-shadow .12s ease;
}
.page-faq .search-box:focus-within {
  border-color: var(--cyan);
  box-shadow: 0 0 0 1px rgba(49, 225, 212, .38);
}
.page-faq .search-box__glyph {
  font-family: var(--font-mono);
  color: var(--cyan);
  font-size: 15px;
}
.page-faq .search-input {
  flex: 1 1 auto;
  min-width: 0;
  padding: 15px 0;
  border: 0;
  background: transparent;
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 16px;
  caret-color: var(--cyan);
}
.page-faq .search-input:focus {
  outline: none;
}
.page-faq .search-input::placeholder {
  color: rgba(195, 202, 220, .58);
}

.page-faq .hot-terms {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.page-faq .hot-terms__label {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  letter-spacing: .1em;
  color: var(--muted);
}
.page-faq .hot-term {
  display: inline-block;
  padding: 6px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(7, 14, 46, .62);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 13px;
  text-decoration: none;
  transition: color .12s ease, background .12s ease, border-color .12s ease;
}
.page-faq .hot-term:hover {
  color: var(--ink-950);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-faq .search-ways {
  list-style: none;
  margin: 20px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line-soft);
  display: grid;
  gap: 10px;
}
.page-faq .search-ways li {
  display: flex;
  gap: 12px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--muted);
}
.page-faq .search-ways .mono {
  flex: none;
  color: var(--orange);
  font-size: 12px;
  padding-top: 3px;
}
.page-faq .search-note {
  margin: 16px 0 0;
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--muted);
}

/* 图片 */
.page-faq .faq-shot,
.page-faq .faq-figure {
  margin: 0;
}
.page-faq .faq-shot {
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}
.page-faq .faq-shot img,
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line-soft);
}
.page-faq .faq-shot figcaption,
.page-faq .faq-figure figcaption {
  margin-top: 12px;
  font-size: var(--fs-small);
  line-height: 1.65;
  color: var(--muted);
}

/* 主体两栏 */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(24px, 3vw, 46px);
  padding: clamp(34px, 5vw, 72px) 0 clamp(34px, 4vw, 60px);
}

.page-faq .faq-rail {
  border-left: 2px solid var(--line);
  padding-left: 16px;
}
.page-faq .faq-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  letter-spacing: .14em;
  color: var(--muted);
}
.page-faq .rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}
.page-faq .rail-step {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-left: -18px;
  padding: 9px 10px 9px 16px;
  border-left: 2px solid transparent;
  color: var(--muted);
  font-size: 15px;
  text-decoration: none;
  transition: color .12s ease, background .12s ease, border-color .12s ease;
}
.page-faq .rail-step .mono {
  color: var(--line);
  font-size: 12px;
}
.page-faq .rail-step:hover {
  color: var(--cream);
  background: rgba(49, 225, 212, .07);
}
.page-faq .rail-step.is-active {
  color: var(--cream);
  background: rgba(49, 225, 212, .1);
  border-left-color: var(--cyan);
}
.page-faq .rail-step.is-active .mono {
  color: var(--cyan);
}
.page-faq .faq-rail__note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* 问答分组 */
.page-faq .faq-group {
  --group-accent: var(--cyan);
  padding-top: clamp(20px, 2.6vw, 30px);
  border-top: 1px solid var(--group-accent);
}
.page-faq .faq-group + .faq-group {
  margin-top: clamp(30px, 4vw, 56px);
}
.page-faq .faq-group--booking { --group-accent: var(--cyan); }
.page-faq .faq-group--record { --group-accent: var(--teal); }
.page-faq .faq-group--device { --group-accent: var(--orange); }
.page-faq .faq-group--cover { --group-accent: var(--amber); }

.page-faq .group-head {
  margin-bottom: 16px;
}
.page-faq .group-num {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--group-accent);
}
.page-faq .group-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-h2);
  line-height: 1.16;
  color: var(--cream);
}
.page-faq .group-desc {
  margin: 10px 0 0;
  max-width: 48ch;
  font-size: 16px;
  line-height: 1.72;
  color: var(--muted);
}

.page-faq .qa {
  border-bottom: 1px solid var(--line-soft);
}
.page-faq .qa summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 17px 6px;
  cursor: pointer;
  list-style: none;
  transition: background .12s ease;
}
.page-faq .qa summary::-webkit-details-marker {
  display: none;
}
.page-faq .qa summary:hover {
  background: rgba(23, 37, 95, .5);
}
.page-faq .qa[open] summary {
  background: rgba(23, 37, 95, .55);
}
.page-faq .qa__num {
  flex: none;
  padding-top: 5px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--group-accent);
}
.page-faq .qa__q {
  flex: 1 1 auto;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--cream);
}
.page-faq .qa__toggle {
  position: relative;
  flex: none;
  width: 16px;
  height: 16px;
  margin-top: 4px;
}
.page-faq .qa__toggle::before,
.page-faq .qa__toggle::after {
  content: "";
  position: absolute;
  background: var(--group-accent);
}
.page-faq .qa__toggle::before {
  left: 0;
  right: 0;
  top: 7px;
  height: 1px;
}
.page-faq .qa__toggle::after {
  top: 0;
  bottom: 0;
  left: 7px;
  width: 1px;
  transition: opacity .15s ease;
}
.page-faq .qa[open] .qa__toggle::after {
  opacity: 0;
}
.page-faq .qa__a {
  padding: 0 6px 20px 6px;
}
.page-faq .qa__a p {
  margin: 0;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}
.page-faq .qa__a a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(49, 225, 212, .5);
}
.page-faq .qa__a a:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

.page-faq .faq-figure {
  margin: clamp(28px, 3.6vw, 46px) 0;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

/* 找人帮忙 */
.page-faq .faq-help {
  border-top: 1px solid var(--line);
  padding: clamp(36px, 5vw, 76px) 0 clamp(40px, 5vw, 80px);
  background:
    radial-gradient(620px 280px at 88% 0%, rgba(110, 31, 60, .55), transparent 72%),
    linear-gradient(160deg, var(--ink-800) 0%, var(--violet) 100%);
}
.page-faq .faq-help__inner {
  display: grid;
  gap: clamp(22px, 3vw, 34px);
}
.page-faq .faq-help h2 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-h2);
  line-height: 1.16;
  color: var(--cream);
}
.page-faq .faq-help .lead {
  margin: 14px 0 0;
  max-width: 52ch;
  font-size: var(--fs-lead);
  line-height: 1.72;
  color: var(--muted);
}
.page-faq .help-grid {
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}
.page-faq .help-card {
  padding: clamp(18px, 2.4vw, 26px);
  background: rgba(7, 14, 46, .74);
}
.page-faq .help-card__k {
  margin: 0;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--orange);
}
.page-faq .help-card h3 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  color: var(--cream);
}
.page-faq .help-card p {
  margin: 10px 0 0;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--muted);
}
.page-faq .help-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-faq .help-foot {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--muted);
}

/* 响应式 */
@media (min-width: 720px) {
  .page-faq .qa__a {
    padding: 0 6px 22px 40px;
  }
  .page-faq .help-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: clamp(36px, 4.5vw, 64px);
  }
  .page-faq .faq-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 56px);
  }
  .page-faq .faq-rail {
    position: sticky;
    top: 96px;
    align-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .hot-term,
  .page-faq .rail-step,
  .page-faq .qa summary,
  .page-faq .qa__toggle::after {
    transition: none;
  }
}