.page-faq {
  --faq-idx-w: 288px;
  position: relative;
  padding-bottom: 80px;
  background-color: var(--ink);
  background-image:
    linear-gradient(rgba(46, 58, 80, 0.22) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46, 58, 80, 0.22) 1px, transparent 1px);
  background-size: 64px 64px;
  color: var(--text);
}

.page-faq .faq-shell {
  padding-top: 24px;
}

.page-faq .crumbs {
  margin-bottom: 22px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding-bottom: 34px;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--accent);
}

.page-faq .faq-hero__kicker::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--accent);
}

.page-faq .faq-hero h1 {
  margin: 0 0 18px;
  max-width: 20ch;
  font-family: var(--font-body);
  font-weight: 800;
  font-size: clamp(30px, 5.2vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-faq .faq-hero__lead {
  margin: 0 0 22px;
  max-width: 64ch;
  font-size: 17px;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-bottom: 24px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-faq .faq-hero__meta span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-faq .faq-hero__meta span::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--accent);
  transform: rotate(45deg);
}

.page-faq .faq-hero__act {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
}

/* ---------- 分栏骨架 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-idx-w) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }
}

/* ---------- 左侧问题索引 ---------- */
.page-faq .faq-index {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-plate);
}

@media (min-width: 1024px) {
  .page-faq .faq-index {
    position: sticky;
    top: 84px;
    max-height: calc(100vh - 112px);
    overflow-y: auto;
    scrollbar-width: thin;
  }
}

.page-faq .faq-index__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 16px;
  background: var(--panel-alt);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-index__title {
  font-size: 13px;
  letter-spacing: 0.22em;
  color: var(--text);
}

.page-faq .faq-index__count {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 6px 0;
}

.page-faq .faq-index__cat {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-left: 2px solid transparent;
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.2s var(--ease), background 0.2s var(--ease),
    border-color 0.2s var(--ease);
}

.page-faq .faq-index__num {
  min-width: 20px;
  font-family: var(--font-head);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--line);
  transition: color 0.2s var(--ease);
}

.page-faq .faq-index__cat:hover {
  color: var(--text);
  background: rgba(43, 232, 176, 0.06);
}

.page-faq .faq-index__cat:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.page-faq .faq-index__cat[aria-current] {
  color: var(--accent);
  border-left-color: var(--accent);
  background: rgba(43, 232, 176, 0.09);
}

.page-faq .faq-index__cat[aria-current] .faq-index__num {
  color: var(--accent);
}

/* ---------- 内容列 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: 56px;
  min-width: 0;
}

.page-faq .faq-group {
  min-width: 0;
  scroll-margin-top: 96px;
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px 18px;
  align-items: start;
  margin-bottom: 22px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group__num {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(40px, 7vw, 72px);
  line-height: 0.8;
  letter-spacing: -0.02em;
  color: var(--line);
}

.page-faq .faq-group__title {
  margin: 0 0 8px;
  font-size: clamp(21px, 2.6vw, 28px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-faq .faq-group__note {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 三步上手 ---------- */
.page-faq .steps-panel {
  display: grid;
  gap: 26px;
  align-items: center;
  padding: 22px;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-plate);
}

@media (min-width: 860px) {
  .page-faq .steps-panel {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 32px;
    padding: 28px;
  }
}

.page-faq .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-faq .step {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
}

.page-faq .step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 17px;
  top: 46px;
  bottom: -22px;
  width: 1px;
  background: linear-gradient(180deg, var(--line), transparent);
}

.page-faq .step__dot {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--cta);
  color: #0A0F1E;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  box-shadow: 0 0 0 4px rgba(255, 162, 58, 0.14);
}

.page-faq .step__body h3 {
  margin: 4px 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
}

.page-faq .step__body p {
  margin: 0 0 8px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-faq .step__time {
  display: inline-block;
  padding: 2px 9px;
  border: 1px solid rgba(43, 232, 176, 0.4);
  border-radius: var(--radius);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--accent);
}

/* ---------- 图片 ---------- */
.page-faq .figure {
  margin: 0;
}

.page-faq .figure__frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel-alt);
}

.page-faq .figure--corner .figure__frame::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 46px;
  height: 46px;
  border-left: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(225deg, rgba(43, 232, 176, 0.16), transparent 70%);
  pointer-events: none;
}

.page-faq .figure__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-faq .figure__cap {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-faq .faq-group .figure {
  margin-top: 28px;
}

/* ---------- 问答折叠面板 ---------- */
.page-faq .qa-list {
  display: grid;
  gap: 10px;
}

.page-faq .qa {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.35);
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease),
    box-shadow 0.22s var(--ease);
}

.page-faq .qa[open] {
  background: var(--panel-alt);
  border-color: #3E5074;
  box-shadow: var(--shadow-plate);
}

.page-faq .qa:target {
  border-color: var(--accent);
}

.page-faq .qa__q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--text);
}

.page-faq .qa__q::-webkit-details-marker {
  display: none;
}

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.page-faq .qa__num {
  padding-top: 3px;
  font-family: var(--font-head);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.page-faq .qa__mark {
  position: relative;
  width: 18px;
  height: 18px;
  margin-top: 3px;
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  background: var(--accent);
  transition: transform 0.22s var(--ease);
}

.page-faq .qa__mark::before {
  left: 0;
  right: 0;
  top: 8px;
  height: 2px;
}

.page-faq .qa__mark::after {
  top: 0;
  bottom: 0;
  left: 8px;
  width: 2px;
}

.page-faq .qa[open] .qa__mark::after {
  transform: scaleY(0);
}

.page-faq .qa__a {
  padding: 0 46px 18px 44px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--muted);
}

.page-faq .qa__a p {
  margin: 0 0 0.75em;
}

.page-faq .qa__a p:last-child {
  margin-bottom: 0;
}

.page-faq .qa__a strong,
.page-faq .qa__a b {
  color: var(--accent);
  font-weight: 600;
}

/* ---------- 联系方式与提问清单 ---------- */
.page-faq .reach {
  display: grid;
  gap: 26px;
  padding: 22px;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-plate);
}

@media (min-width: 760px) {
  .page-faq .reach {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 34px;
    padding: 28px;
  }
}

.page-faq .reach__col {
  display: grid;
  gap: 18px;
  align-content: start;
  min-width: 0;
}

.page-faq .reach__card {
  padding-left: 14px;
  border-left: 2px solid var(--accent);
}

.page-faq .reach__card--phone {
  border-left-color: var(--cta);
}

.page-faq .reach__card--hours {
  border-left-color: var(--accent-deep);
}

.page-faq .reach__key {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.page-faq .reach__val {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  word-break: break-word;
}

.page-faq .reach__val a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 232, 176, 0.4);
}

.page-faq .reach__note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-faq .checklist li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-faq .checklist li::before {
  content: "\25B8";
  color: var(--cta);
  line-height: 1.6;
}

.page-faq .reach__more {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .reach__more a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 232, 176, 0.4);
}

.page-faq .reach__act {
  margin: 4px 0 0;
}

/* ---------- 窄屏微调 ---------- */
@media (max-width: 520px) {
  .page-faq .faq-shell {
    padding-top: 18px;
  }

  .page-faq .faq-hero__lead {
    font-size: 16px;
  }

  .page-faq .faq-hero__act .btn {
    flex: 1 1 auto;
    text-align: center;
  }

  .page-faq .steps-panel {
    padding: 18px;
  }

  .page-faq .faq-body {
    gap: 44px;
  }

  .page-faq .qa__q {
    padding: 14px 14px;
    font-size: 15px;
  }

  .page-faq .qa__a {
    padding: 0 16px 16px 42px;
  }

  .page-faq .reach {
    padding: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa__mark::before,
  .page-faq .qa__mark::after,
  .page-faq .faq-index__cat,
  .page-faq .faq-index__num {
    transition: none;
  }
}