.page-faq {
  --faq-side-w: 248px;
  --faq-qa-bg: var(--c-cream);
  background: var(--c-warm);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(2.25rem, 5vw, 3.25rem) clamp(2.75rem, 6vw, 4.5rem);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: auto -12% -34% 42%;
  height: 62%;
  background: radial-gradient(closest-side, rgba(232, 106, 26, .22), transparent 72%);
  pointer-events: none;
}

.page-faq .faq-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-faq .crumb-sep {
  color: var(--text-night-soft);
  padding-inline: .35rem;
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 3.25rem);
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
  align-items: center;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5.4vw, 3rem);
  line-height: 1.22;
  margin: .6rem 0 1.1rem;
}

.page-faq .faq-hero .lede {
  color: var(--text-night);
  max-width: 62ch;
}

.page-faq .faq-hero__media {
  margin: 0;
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lift);
}

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

.page-faq .faq-quicklinks {
  margin-top: 1.6rem;
}

.page-faq .faq-quicklinks a {
  text-decoration: none;
  transition: border-color var(--t) var(--ease), color var(--t) var(--ease), background var(--t) var(--ease);
}

.page-faq .faq-quicklinks a:hover,
.page-faq .faq-quicklinks a:focus-visible {
  border-color: var(--c-orange);
  color: var(--c-orange-soft);
}

/* ---------- 正文骨架 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 2.5rem);
}

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

.page-faq .faq-side__title {
  font-family: var(--font-sans);
  font-size: .82rem;
  letter-spacing: .16em;
  color: var(--c-mist);
  margin: 0 0 .9rem;
}

.page-faq .faq-side__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.page-faq .faq-side__list a {
  display: inline-flex;
  padding: .5rem .9rem;
  border: 1px solid var(--line-paper);
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, .62);
  color: var(--c-ink);
  font-size: .92rem;
  text-decoration: none;
  transition: border-color var(--t) var(--ease), color var(--t) var(--ease), background var(--t) var(--ease);
}

.page-faq .faq-side__list a:hover,
.page-faq .faq-side__list a:focus-visible {
  border-color: var(--c-orange);
  color: var(--c-orange);
  background: #fff;
}

.page-faq .faq-side__note {
  margin: 1.35rem 0 0;
  font-size: .84rem;
  line-height: 1.75;
  color: var(--c-mist);
}

.page-faq .faq-side__note a {
  color: var(--c-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--line-paper);
  transition: border-color var(--t) var(--ease), color var(--t) var(--ease);
}

.page-faq .faq-side__note a:hover {
  color: var(--c-orange);
  border-color: var(--c-orange);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-main {
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: 6.5rem;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(2.5rem, 5vw, 3.75rem);
}

.page-faq .faq-group__head {
  display: grid;
  gap: .3rem;
  padding-bottom: 1.05rem;
  margin-bottom: 1.3rem;
  border-bottom: 1px solid var(--line-paper);
}

.page-faq .faq-group__index {
  font-size: .78rem;
  letter-spacing: .16em;
  color: var(--c-orange);
}

.page-faq .faq-group__head h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3.4vw, 2rem);
  line-height: 1.3;
  margin: 0;
}

.page-faq .faq-group__head .meta {
  color: var(--c-mist);
}

/* ---------- 可折叠问答卡 ---------- */
.page-faq .qa {
  background: var(--faq-qa-bg);
  border: 1px solid var(--line-paper);
  border-radius: var(--r-lg);
  transition: border-color var(--t) var(--ease), box-shadow var(--t) var(--ease);
}

.page-faq .qa + .qa {
  margin-top: .8rem;
}

.page-faq .qa:hover {
  border-color: rgba(232, 106, 26, .45);
}

.page-faq .qa[open] {
  border-color: rgba(232, 106, 26, .55);
  box-shadow: 0 16px 32px -28px rgba(11, 27, 43, .55);
}

.page-faq .qa > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: .85rem;
  padding: 1.05rem 1.3rem;
  border-radius: var(--r-lg);
  color: var(--c-ink);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1.02rem;
  line-height: 1.6;
  transition: color var(--t) var(--ease);
}

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

.page-faq .qa > summary::before {
  content: "";
  flex: none;
  width: .58rem;
  height: .58rem;
  margin-top: .52rem;
  border-right: 2px solid var(--c-orange);
  border-bottom: 2px solid var(--c-orange);
  transform: rotate(-45deg);
  transition: transform var(--t) var(--ease);
}

.page-faq .qa[open] > summary::before {
  transform: rotate(45deg);
}

.page-faq .qa > summary:hover,
.page-faq .qa > summary:focus-visible {
  color: var(--c-orange);
}

.page-faq .qa > summary:focus-visible {
  outline: 2px solid var(--c-orange);
  outline-offset: 2px;
}

.page-faq .qa__body {
  padding: 0 1.3rem 1.3rem 2.73rem;
  color: var(--text-paper);
  font-size: 1rem;
  line-height: 1.78;
}

.page-faq .qa__body p {
  margin: 0 0 .7rem;
}

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

.page-faq .qa__body a {
  color: var(--c-ink);
  text-decoration: none;
  border-bottom: 2px solid var(--c-orange);
  padding-bottom: 1px;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease);
}

.page-faq .qa__body a:hover,
.page-faq .qa__body a:focus-visible {
  color: var(--c-orange);
}

.page-faq .faq-steps {
  margin: 0 0 .8rem;
  padding-left: 1.2rem;
  display: grid;
  gap: .35rem;
}

.page-faq .faq-steps li::marker {
  color: var(--c-orange);
  font-family: var(--font-mono);
}

.page-faq .faq-figure {
  margin: 1.6rem 0 0;
  border-radius: var(--r-lg);
  overflow: hidden;
}

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

.page-faq .faq-figure .media-caption {
  padding-top: .7rem;
  font-size: .84rem;
  color: var(--c-mist);
}

/* ---------- 联系卡 ---------- */
.page-faq .faq-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

.page-faq .faq-contact__card {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  padding: 1.35rem 1.25rem;
  transition: border-color var(--t) var(--ease), background var(--t) var(--ease);
}

.page-faq .faq-contact__card:hover {
  border-color: rgba(232, 106, 26, .5);
}

.page-faq .faq-contact__card .contact-line {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.55;
  word-break: break-word;
}

.page-faq .faq-contact__card .copy-btn {
  align-self: flex-start;
  margin-top: .7rem;
}

.page-faq .faq-contact__note {
  margin: 1.25rem 0 0;
  padding-left: 1rem;
  border-left: 3px solid var(--c-orange);
  font-size: .9rem;
  line-height: 1.8;
  color: var(--text-paper);
}

.page-faq .faq-contact__links {
  margin-top: 1.35rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.75rem;
}

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

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-side-w) minmax(0, 1fr);
    gap: clamp(2.25rem, 4vw, 4rem);
    align-items: start;
  }

  .page-faq .faq-side {
    position: sticky;
    top: 6.5rem;
    padding-right: .5rem;
  }

  .page-faq .faq-side__list {
    flex-direction: column;
    align-items: stretch;
    gap: .5rem;
  }

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

@media (max-width: 480px) {
  .page-faq .qa > summary {
    padding: .95rem 1.05rem;
    font-size: .98rem;
  }

  .page-faq .qa__body {
    padding: 0 1.05rem 1.05rem 2.4rem;
  }

  .page-faq .faq-contact__card .contact-line {
    font-size: 1rem;
  }
}