.page-faq {
  background:
    radial-gradient(110% 80% at 86% -8%, rgba(232, 180, 90, 0.16), transparent 62%),
    var(--ink);
  color: var(--cream);
  font-family: var(--font-body);
  overflow-x: clip;
  padding-bottom: clamp(36px, 6vw, 84px);
}

.page-faq .breadcrumbs {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-faq .breadcrumbs a {
  color: var(--gold);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(24px, 4.6vw, 58px) 0 clamp(22px, 3.6vw, 46px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  margin-top: clamp(18px, 3vw, 30px);
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 7vw, 60px);
  line-height: 1.07;
  letter-spacing: -0.025em;
  margin: 12px 0 0;
  color: var(--cream);
}

.page-faq .faq-hero__text {
  margin: 16px 0 0;
  max-width: 48ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--slate);
}

.page-faq .faq-index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-index a {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "no title"
    "no desc";
  align-items: baseline;
  gap: 2px 14px;
  padding: 14px 16px;
  text-decoration: none;
  border: 1px solid var(--ink-line);
  border-radius: var(--radius);
  background: var(--glass);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-faq .faq-index a:hover,
.page-faq .faq-index a:focus-visible {
  border-color: var(--gold);
  background: rgba(232, 180, 90, 0.1);
  transform: translateY(-2px);
}

.page-faq .faq-index__no {
  grid-area: no;
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  color: var(--gold);
  letter-spacing: -0.02em;
}

.page-faq .faq-index__title {
  grid-area: title;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--cream);
}

.page-faq .faq-index__desc {
  grid-area: desc;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--slate);
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-shell {
  display: grid;
  gap: clamp(22px, 4vw, 46px);
  padding-top: clamp(16px, 2.6vw, 32px);
}

.page-faq .faq-side__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-deep);
}

.page-faq .faq-side__list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-side__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 8px 14px;
  border: 1px solid var(--ink-line);
  border-radius: 999px;
  color: var(--cream);
  text-decoration: none;
  font-size: 13.5px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-side__list a span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
}

.page-faq .faq-side__list a:hover,
.page-faq .faq-side__list a:focus-visible {
  color: var(--gold);
  border-color: var(--gold-deep);
  background: rgba(232, 180, 90, 0.08);
}

.page-faq .faq-side__card {
  display: none;
}

/* ---------- 章节 ---------- */
.page-faq .faq-block {
  padding: clamp(22px, 3.4vw, 40px) 0;
  border-top: 1px solid var(--ink-line);
  scroll-margin-top: 92px;
}

.page-faq .faq-body > .faq-block:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-block__head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(14px, 2vw, 22px);
}

.page-faq .faq-block__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(23px, 3.8vw, 34px);
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: var(--cream);
}

.page-faq .faq-block__head p {
  margin: 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--slate);
}

.page-faq .faq-block__head .spec-tag {
  justify-self: start;
}

.page-faq .faq-figure {
  margin: 0 0 clamp(16px, 2.4vw, 26px);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius);
}

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

/* ---------- 问答手风琴 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 8px;
}

.page-faq .qa {
  border: 1px solid var(--ink-line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.03);
  overflow: hidden;
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-faq .qa[open] {
  border-color: var(--gold-deep);
  background: rgba(232, 180, 90, 0.07);
}

.page-faq .qa__q {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 44px 14px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 500;
  line-height: 1.65;
  color: var(--cream);
  transition: color 0.2s var(--ease);
}

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

.page-faq .qa__q:hover {
  color: var(--gold-soft);
}

.page-faq .qa__q::after {
  content: "+";
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--gold);
}

.page-faq .qa[open] .qa__q::after {
  content: "−";
  color: var(--cyan);
}

.page-faq .qa__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-faq .qa__a {
  padding: 0 16px 16px;
  border-top: 1px solid rgba(232, 180, 90, 0.18);
  margin-top: 2px;
}

.page-faq .qa__a p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--slate);
}

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

/* ---------- 联系区 ---------- */
.page-faq .faq-contact-grid {
  display: grid;
  gap: clamp(14px, 2.2vw, 24px);
  margin-bottom: clamp(18px, 2.6vw, 28px);
}

.page-faq .faq-contact {
  padding: clamp(18px, 2.4vw, 26px);
  border-radius: var(--radius);
  color: var(--brown);
}

.page-faq .faq-contact .eyebrow {
  color: var(--gold-deep);
}

.page-faq .faq-contact__title {
  margin: 8px 0 14px;
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--brown);
}

.page-faq .faq-contact__list {
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-contact__row {
  display: grid;
  gap: 4px;
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(122, 92, 46, 0.35);
}

.page-faq .faq-contact__row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-contact__row dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gold-deep);
}

.page-faq .faq-contact__row dd {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-faq .faq-contact__value {
  font-size: 15px;
  line-height: 1.7;
  color: var(--brown);
  word-break: break-word;
}

.page-faq .faq-contact .copy-btn {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 10px;
  border: 1px solid var(--gold-deep);
  border-radius: 999px;
  background: transparent;
  color: var(--gold-deep);
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-contact .copy-btn:hover,
.page-faq .faq-contact .copy-btn:focus-visible {
  background: var(--gold-deep);
  color: var(--cream);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-cta {
  display: grid;
  gap: 12px;
  margin-top: clamp(26px, 4vw, 50px);
  padding: clamp(22px, 3.6vw, 42px);
  border: 1px solid var(--gold-deep);
  border-radius: var(--radius);
  background:
    linear-gradient(118deg, rgba(232, 180, 90, 0.16), rgba(92, 225, 230, 0.07) 58%, transparent 88%),
    var(--ink-soft);
  scroll-margin-top: 92px;
}

.page-faq .faq-cta h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 3.2vw, 30px);
  line-height: 1.25;
  letter-spacing: -0.015em;
  color: var(--cream);
}

.page-faq .faq-cta p {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

/* ---------- 断点 ---------- */
@media (min-width: 560px) {
  .page-faq .faq-index {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 760px) {
  .page-faq .faq-contact-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: stretch;
  }

  .page-faq .faq-figure {
    height: 100%;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: end;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-shell {
    grid-template-columns: minmax(0, 226px) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-side {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-side__list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-side__list a {
    border-radius: var(--radius);
    justify-content: flex-start;
  }

  .page-faq .faq-side__card {
    display: grid;
    gap: 10px;
    margin-top: 20px;
    padding: 14px;
    border: 1px solid var(--ink-line);
    border-left: 2px solid var(--coral);
    border-radius: var(--radius);
    background: var(--glass);
  }

  .page-faq .faq-side__card p {
    margin: 0;
    font-size: 13px;
    line-height: 1.7;
    color: var(--slate);
  }

  .page-faq .faq-side__card .btn {
    justify-self: start;
  }
}

@media (min-width: 1120px) {
  .page-faq .faq-index {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index a,
  .page-faq .qa,
  .page-faq .qa__q,
  .page-faq .faq-side__list a,
  .page-faq .faq-contact .copy-btn {
    transition: none;
  }

  .page-faq .faq-index a:hover,
  .page-faq .faq-index a:focus-visible {
    transform: none;
  }
}