.page-faq {
  --faq-shadow: 6px 6px 0 rgba(27, 31, 28, .18);
  --faq-shadow-sm: 4px 4px 0 rgba(27, 31, 28, .16);
  --faq-sticky-top: 104px;
  background: var(--paper);
  color: var(--graphite);
  font-family: var(--font-body);
  line-height: 1.75;
}

.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: border-box;
}

.page-faq a:focus-visible,
.page-faq summary:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 首屏框景 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 30px 20px 52px;
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink-deep) 100%);
  color: var(--paper);
  border-bottom: 2px solid var(--line-strong);
}

.page-faq .faq-hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  max-width: var(--shell);
  margin: 0 auto;
}

.page-faq .faq-hero .breadcrumb a {
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
}

.page-faq .faq-hero .breadcrumb a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-faq .faq-hero .kicker {
  margin: 22px 0 10px;
  color: var(--gold);
  letter-spacing: .18em;
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.9rem, 6.4vw, 4.4rem);
  line-height: 1.12;
  letter-spacing: -.01em;
  color: var(--paper);
  max-width: 20ch;
}

.page-faq .faq-hero__lead {
  margin: 22px 0 0;
  max-width: 62ch;
  color: var(--gold-soft);
  font-size: clamp(.95rem, 2.4vw, 1.06rem);
}

.page-faq .faq-hero__jumps {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 34px;
  margin: 34px 0 0;
  padding: 20px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-faq .faq-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-faq .faq-hero__num {
  font-size: clamp(1.6rem, 4.4vw, 2.2rem);
  line-height: 1;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-hero__fact-label {
  color: var(--gold-soft);
  font-size: .88rem;
  letter-spacing: .04em;
}

/* ---------- 三步入席 ---------- */
.page-faq .faq-steps {
  padding: 48px 20px 56px;
  background: var(--paper);
  border-bottom: 2px solid var(--graphite);
}

.page-faq .faq-steps__inner {
  max-width: var(--shell);
  margin: 0 auto;
  display: grid;
  gap: 30px;
}

.page-faq .faq-steps__head {
  max-width: 70ch;
}

.page-faq .faq-steps__head h2 {
  margin: 12px 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 4.2vw, 2.6rem);
  line-height: 1.2;
  color: var(--ink);
}

.page-faq .faq-steps__head p {
  margin: 0;
  color: var(--graphite);
}

.page-faq .faq-steps__layout {
  display: grid;
  gap: 28px;
}

.page-faq .faq-steps__diagram {
  border: 2px solid var(--graphite);
  background: var(--paper);
  box-shadow: var(--faq-shadow);
  padding: 16px 12px 8px;
}

.page-faq .faq-path {
  display: block;
  width: 100%;
  height: auto;
}

.page-faq .faq-path__track {
  stroke: var(--gold);
  stroke-width: 2;
  stroke-dasharray: 6 10;
}

.page-faq .faq-path__circle {
  fill: var(--ink);
  stroke: var(--gold);
  stroke-width: 3;
  transition: fill .2s ease, stroke .2s ease;
}

.page-faq .faq-path__link:hover .faq-path__circle {
  fill: var(--ink-2);
  stroke: var(--cyan);
}

.page-faq .faq-path__link:focus-visible .faq-path__circle {
  stroke: var(--cyan);
  stroke-width: 5;
}

.page-faq .faq-path__num {
  font-family: var(--font-mono);
  font-size: 30px;
  fill: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-path__label {
  font-family: var(--font-body);
  font-size: 21px;
  fill: var(--graphite);
}

.page-faq .faq-steps__list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  position: relative;
  padding: 16px 18px;
  background: var(--paper);
  border: 2px solid var(--graphite);
  border-left: 6px solid var(--gold);
  box-shadow: var(--faq-shadow-sm);
}

.page-faq .faq-step h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--ink);
}

.page-faq .faq-step p {
  margin: 0 0 8px;
  font-size: .94rem;
  color: var(--graphite);
}

.page-faq .faq-step__link {
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--felt);
  text-decoration: underline;
  text-decoration-color: var(--gold);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-faq .faq-step__link:hover {
  color: var(--violet);
}

.page-faq .faq-steps__figure {
  margin: 0;
}

.page-faq .faq-steps__figure img,
.page-faq .faq-glossary__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 问答两栏 ---------- */
.page-faq .faq-body {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 44px 20px 64px;
  display: grid;
  gap: 30px;
}

.page-faq .faq-index {
  background: var(--ink);
  color: var(--paper);
  border: 2px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 20px 18px;
  box-shadow: var(--shadow-sm);
}

.page-faq .faq-index__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .faq-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__list li {
  flex: 1 1 auto;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  color: var(--gold-soft);
  font-size: .88rem;
  text-decoration: none;
  white-space: nowrap;
  transition: color .2s ease, border-color .2s ease, background .2s ease;
}

.page-faq .faq-index__list a::before {
  content: "";
  width: 7px;
  height: 7px;
  flex: none;
  border-radius: 50%;
  background: var(--cyan);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--ink);
  background: var(--gold);
  border-color: var(--gold);
}

.page-faq .faq-index__num {
  font-size: .76rem;
  letter-spacing: .06em;
  opacity: .8;
}

.page-faq .faq-index__note {
  margin: 14px 0 0;
  font-size: .78rem;
  color: var(--muted);
  line-height: 1.6;
}

.page-faq .faq-answers {
  min-width: 0;
}

.page-faq .faq-group + .faq-group {
  margin-top: 46px;
}

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  padding-bottom: 10px;
  margin-bottom: 18px;
  border-bottom: 2px solid var(--graphite);
}

.page-faq .faq-group__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.35rem, 3.6vw, 2rem);
  line-height: 1.25;
  color: var(--ink);
}

.page-faq .faq-group__note {
  flex: 1 1 100%;
  margin: 0;
  font-size: .84rem;
  color: var(--muted);
  letter-spacing: .02em;
}

.page-faq .faq-qa {
  display: grid;
  gap: 12px;
}

.page-faq .faq-item {
  background: var(--paper);
  border: 2px solid var(--graphite);
  border-radius: 6px;
  box-shadow: var(--faq-shadow-sm);
  overflow: hidden;
}

.page-faq .faq-item summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink);
  transition: background .2s ease, color .2s ease;
}

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

.page-faq .faq-item summary:hover {
  background: rgba(201, 162, 39, .16);
}

.page-faq .faq-item[open] summary {
  background: var(--ink);
  color: var(--paper);
}

.page-faq .faq-item__q {
  flex: 1 1 auto;
}

.page-faq .faq-item__sign {
  position: relative;
  flex: none;
  width: 16px;
  height: 16px;
  margin-top: 6px;
  color: var(--gold);
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  background: currentColor;
}

.page-faq .faq-item__sign::before {
  left: 0;
  top: 7px;
  width: 16px;
  height: 2px;
}

.page-faq .faq-item__sign::after {
  left: 7px;
  top: 0;
  width: 2px;
  height: 16px;
  transition: transform .2s ease;
}

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

.page-faq .faq-item__a {
  padding: 14px 16px 18px;
  border-top: 1px dashed var(--line-strong);
  background: var(--paper);
}

.page-faq .faq-item__a p {
  margin: 0;
  max-width: 78ch;
  font-size: .95rem;
  color: var(--graphite);
}

.page-faq .faq-item__a a {
  color: var(--felt);
  text-decoration: underline;
  text-decoration-color: var(--gold);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-faq .faq-item__a a:hover {
  color: var(--violet);
  text-decoration-color: var(--violet);
}

/* ---------- 术语表 ---------- */
.page-faq .faq-glossary-layout {
  display: grid;
  gap: 22px;
}

.page-faq .faq-glossary {
  display: grid;
  gap: 12px;
}

.page-faq .faq-term {
  padding: 15px 16px;
  background: var(--ink);
  color: var(--paper);
  border: 2px solid var(--graphite);
  border-left: 5px solid var(--gold);
  box-shadow: var(--faq-shadow-sm);
}

.page-faq .faq-term h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--gold);
  letter-spacing: .02em;
}

.page-faq .faq-term p {
  margin: 0;
  font-size: .88rem;
  line-height: 1.7;
  color: var(--paper);
}

.page-faq .faq-glossary__figure {
  margin: 0;
  border: 2px solid var(--graphite);
  box-shadow: var(--faq-shadow);
  background: var(--paper);
}

/* ---------- 反馈升级 ---------- */
.page-faq .faq-feedback {
  display: grid;
  gap: 20px;
  padding: 26px 20px;
  background: linear-gradient(135deg, var(--ink) 0%, var(--ink-2) 100%);
  color: var(--paper);
  border: 2px solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.page-faq .faq-feedback h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.2rem, 3.4vw, 1.6rem);
  color: var(--gold);
}

.page-faq .faq-feedback__text p {
  margin: 0 0 10px;
  max-width: 62ch;
  font-size: .95rem;
  color: var(--paper);
}

.page-faq .faq-feedback__note {
  font-size: .82rem !important;
  color: var(--muted) !important;
  letter-spacing: .02em;
}

.page-faq .faq-feedback__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-steps {
    padding: 60px 28px 68px;
  }

  .page-faq .faq-glossary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-feedback {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .6fr);
    align-items: center;
    padding: 32px 28px;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-hero {
    padding: 44px 32px 64px;
  }

  .page-faq .faq-steps {
    padding: 72px 32px 80px;
  }

  .page-faq .faq-steps__layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: 34px;
    align-items: start;
  }

  .page-faq .faq-body {
    grid-template-columns: 272px minmax(0, 1fr);
    gap: 48px;
    padding: 60px 32px 80px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: var(--faq-sticky-top);
    padding: 22px 20px;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 6px;
  }

  .page-faq .faq-index__list a {
    border-radius: 8px;
    border-color: transparent;
    border-left: 2px solid transparent;
    padding: 8px 10px;
    white-space: normal;
  }

  .page-faq .faq-index__list a:hover,
  .page-faq .faq-index__list a:focus-visible {
    color: var(--cyan);
    background: rgba(77, 224, 208, .08);
    border-color: transparent;
    border-left-color: var(--cyan);
  }

  .page-faq .faq-glossary-layout {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 26px;
    align-items: start;
  }
}

@media (min-width: 1240px) {
  .page-faq .faq-glossary-layout {
    grid-template-columns: minmax(0, 1fr) 360px;
  }
}