.page-faq {
  --faq-rail-w: 15.5rem;
  --faq-rule: rgba(140, 122, 91, .38);
  position: relative;
  overflow-x: clip;
  padding-bottom: 4.5rem;
}

.page-faq *,
.page-faq *::before,
.page-faq *::after {
  min-width: 0;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 2rem 0 2.25rem;
  border-bottom: var(--hairline);
  background:
    radial-gradient(60rem 22rem at 8% -30%, rgba(62, 198, 176, .10), transparent 70%),
    radial-gradient(38rem 18rem at 92% 0%, rgba(201, 162, 75, .12), transparent 72%);
}

.page-faq .breadcrumb {
  margin-bottom: 1.6rem;
}

.page-faq .faq-hero__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2.1rem, 5.4vw, 3.4rem);
  line-height: 1.14;
  letter-spacing: .005em;
  color: var(--paper);
  margin: .55rem 0 1.05rem;
}

.page-faq .faq-hero__lead {
  font-family: var(--font-body);
  font-size: clamp(.98rem, 1.7vw, 1.08rem);
  line-height: 1.85;
  color: rgba(245, 240, 230, .82);
  max-width: 48rem;
  margin: 0;
}

.page-faq .faq-hero__facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: .9rem;
  list-style: none;
  margin: 1.9rem 0 0;
  padding: 0;
}

.page-faq .faq-hero__facts li {
  border-left: 1px solid var(--faq-rule);
  padding-left: .85rem;
  font-family: var(--font-ui);
  font-size: .82rem;
  line-height: 1.6;
  color: rgba(245, 240, 230, .66);
}

.page-faq .faq-hero__facts b {
  display: block;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.2rem;
  letter-spacing: .02em;
  color: var(--gold);
  margin-bottom: .2rem;
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.25rem;
  padding-top: 2.5rem;
}

@media (min-width: 640px) {
  .page-faq .faq-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: 3.75rem;
    align-items: start;
    padding-top: 3rem;
  }
}

/* ---------- 左侧分类导航 ---------- */
.page-faq .faq-rail__title {
  font-family: var(--font-ui);
  font-size: .74rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--bronze);
  margin: 0 0 .85rem;
}

.page-faq .faq-rail__list {
  display: flex;
  flex-wrap: nowrap;
  gap: .5rem;
  list-style: none;
  margin: 0;
  padding: 0 0 .4rem;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-rail__link {
  display: flex;
  align-items: baseline;
  gap: .5rem;
  white-space: nowrap;
  padding: .5rem .8rem;
  font-family: var(--font-ui);
  font-size: .88rem;
  line-height: 1;
  color: rgba(245, 240, 230, .68);
  text-decoration: none;
  border: 1px solid var(--faq-rule);
  border-radius: var(--radius);
  transition: color .2s var(--ease), background-color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-rail__link:hover {
  color: var(--paper);
  border-color: rgba(201, 162, 75, .55);
}

.page-faq .faq-rail__link[data-active="true"] {
  color: var(--gold);
  border-color: rgba(201, 162, 75, .7);
  background: rgba(201, 162, 75, .09);
}

.page-faq .faq-rail__num {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--bronze);
}

.page-faq .faq-rail__link[data-active="true"] .faq-rail__num {
  color: var(--gold-deep);
}

@media (min-width: 1024px) {
  .page-faq .faq-rail {
    position: sticky;
    top: 2.5rem;
  }

  .page-faq .faq-rail__list {
    flex-direction: column;
    flex-wrap: nowrap;
    overflow: visible;
    padding: 0;
    border-left: 1px solid var(--faq-rule);
  }

  .page-faq .faq-rail__link {
    white-space: normal;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    margin-left: -1px;
    padding: .62rem .85rem;
    letter-spacing: .03em;
  }

  .page-faq .faq-rail__link[data-active="true"] {
    background: linear-gradient(90deg, rgba(201, 162, 75, .15), transparent 78%);
    border-left-color: var(--gold);
  }
}

/* ---------- 问题分组 ---------- */
.page-faq .faq-group {
  margin-bottom: 3.5rem;
  scroll-margin-top: 5.5rem;
}

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

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: .95rem;
  padding-bottom: .8rem;
  border-bottom: var(--hairline);
}

.page-faq .faq-group__index {
  font-family: var(--font-mono);
  font-size: .86rem;
  letter-spacing: .14em;
  color: var(--bronze);
}

.page-faq .faq-group__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.35rem, 2.8vw, 1.8rem);
  line-height: 1.25;
  color: var(--paper);
  margin: 0;
}

.page-faq .faq-group__note {
  font-family: var(--font-body);
  font-size: .92rem;
  line-height: 1.8;
  color: rgba(245, 240, 230, .6);
  margin: .75rem 0 1.6rem;
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 1.9rem;
}

.page-faq .faq-figure .figure__frame {
  border: 1px solid var(--faq-rule);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-deep);
}

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

.page-faq .faq-figure .figure__caption {
  font-family: var(--font-ui);
  font-size: .79rem;
  line-height: 1.7;
  color: rgba(245, 240, 230, .55);
  margin-top: .6rem;
}

@media (min-width: 1024px) {
  .page-faq .faq-figure--half {
    max-width: 30rem;
  }
}

/* ---------- 手风琴 ---------- */
.page-faq .qa {
  border-bottom: 1px solid var(--faq-rule);
  background: linear-gradient(180deg, rgba(255, 255, 255, .018), transparent 60%);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: .9rem;
  padding: 1.1rem .2rem 1.1rem 0;
  font-family: var(--font-body);
  font-size: clamp(.98rem, 1.6vw, 1.05rem);
  line-height: 1.6;
  color: var(--paper);
  cursor: pointer;
  list-style: none;
  transition: color .2s var(--ease);
}

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

.page-faq .qa__q::before {
  content: "+";
  flex: 0 0 1.15rem;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1.5;
  color: var(--bronze);
  transition: color .2s var(--ease);
}

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

.page-faq .qa[open] .qa__q {
  color: var(--gold);
}

.page-faq .qa[open] .qa__q::before {
  content: "\2013";
  color: var(--teal);
}

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

.page-faq .qa__body {
  padding: 0 0 1.5rem 2.05rem;
  font-family: var(--font-ui);
  font-size: .93rem;
  line-height: 1.82;
  color: rgba(245, 240, 230, .78);
}

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

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

@keyframes faq-open {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-faq .qa[open] .qa__body {
  animation: faq-open .28s var(--ease);
}

/* ---------- 排查步骤 ---------- */
.page-faq .qa__steps {
  list-style: none;
  counter-reset: faqstep;
  display: grid;
  gap: .55rem;
  margin: .5rem 0 .9rem;
  padding: 0;
}

.page-faq .qa__steps li {
  counter-increment: faqstep;
  position: relative;
  padding-left: 2.15rem;
}

.page-faq .qa__steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: .12rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  line-height: 1.3;
  letter-spacing: .04em;
  color: var(--teal);
  border: 1px solid rgba(62, 198, 176, .42);
  border-radius: var(--radius);
  padding: .1rem .3rem;
}

/* ---------- 反馈提示与联系行 ---------- */
.page-faq .faq-callout {
  margin-top: 1.5rem;
  padding: .95rem 1.15rem;
  border-left: 2px solid var(--coral);
  background: rgba(226, 114, 91, .08);
}

.page-faq .faq-callout p {
  margin: 0;
  font-family: var(--font-ui);
  font-size: .89rem;
  line-height: 1.75;
  color: rgba(245, 240, 230, .84);
}

.page-faq .faq-contact {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.75rem;
  margin: 1.15rem 0 0;
  padding-top: 1rem;
  border-top: 1px dashed var(--faq-rule);
  font-family: var(--font-mono);
  font-size: .83rem;
  letter-spacing: .01em;
  color: rgba(245, 240, 230, .74);
}

.page-faq .faq-contact__item {
  overflow-wrap: anywhere;
}

/* ---------- 延伸入口 ---------- */
.page-faq .faq-links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: .7rem;
  margin-top: 2rem;
  padding-top: 1.35rem;
  border-top: var(--hairline);
}

@media (min-width: 640px) {
  .page-faq .faq-links {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: .8rem 1.9rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa[open] .qa__body {
    animation: none;
  }

  .page-faq .faq-rail__link,
  .page-faq .qa__q,
  .page-faq .qa__q::before {
    transition: none;
  }
}