.page-faq {
  --faq-rule: 1px solid var(--hair);
  color: var(--paper);
  background:
    radial-gradient(circle at 84% 4%, rgba(255, 194, 74, .10), transparent 42%),
    radial-gradient(circle at 8% 74%, rgba(140, 31, 63, .18), transparent 48%);
  padding-bottom: 12px;
}

.page-faq .crumbs {
  padding: 22px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-faq .crumbs a {
  color: var(--mist);
  text-decoration: none;
}

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

/* 首屏 */
.faq-intro {
  padding: 24px 0 30px;
  border-bottom: var(--faq-rule);
}

.faq-intro__kicker {
  display: inline-block;
  margin: 0 0 14px;
  padding: 5px 10px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--ink-900);
  background: var(--gold);
  border-radius: var(--radius);
}

.faq-intro__title {
  margin: 0 0 16px;
  max-width: 18ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 48px);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--paper);
  text-shadow: 3px 3px 0 var(--wine-deep);
}

.faq-intro__lead {
  max-width: 60ch;
  margin: 0 0 22px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

.faq-intro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  text-decoration: none;
  border: 2px solid var(--hair-strong);
  border-radius: var(--radius);
  color: var(--paper);
  background: transparent;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
}

.page-faq .btn:hover {
  border-color: var(--gold);
  box-shadow: var(--shadow-soft);
}

.page-faq .btn--primary {
  border-color: var(--gold);
  background: var(--gold);
  color: var(--ink-900);
  font-weight: 700;
}

.page-faq .btn--primary:hover {
  background: var(--gold-soft);
  border-color: var(--gold-soft);
}

/* 章节速查 */
.faq-index {
  padding: 26px 0 10px;
}

.faq-index__hint {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mist);
}

.faq-index__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.faq-index__item a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--hair);
  border-left: 3px solid var(--wine);
  border-radius: var(--radius);
  background: var(--ink-800);
  color: var(--paper);
  font-size: 15px;
  text-decoration: none;
  transition: border-color .18s var(--ease), transform .18s var(--ease);
}

.faq-index__item a:hover {
  border-color: var(--gold);
  border-left-color: var(--gold);
  transform: translateX(3px);
}

.faq-index__num {
  flex: none;
  font-size: 12px;
  color: var(--gold);
}

/* 章节骨架 */
.faq-section {
  position: relative;
  padding: 34px 0 6px;
  border-top: var(--faq-rule);
}

.page-faq .section-head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 20px;
}

.page-faq .section-head__num {
  flex: none;
  display: grid;
  place-items: center;
  min-width: 42px;
  height: 42px;
  font-size: 15px;
  font-weight: 600;
  color: var(--gold);
  border: 2px solid var(--wine);
  background: rgba(140, 31, 63, .3);
  border-radius: var(--radius);
}

.page-faq .section-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3.4vw, 30px);
  line-height: 1.3;
  color: var(--paper);
}

.faq-count {
  margin: 6px 0 0;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
}

/* 配图 */
.faq-figure {
  margin: 0 0 22px;
  border: 2px solid var(--hair-strong);
  border-radius: var(--radius);
  background: var(--ink-800);
  overflow: hidden;
}

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

.faq-figure__cap {
  padding: 11px 14px;
  border-top: 1px solid var(--hair);
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

/* 问答 */
.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  border: 2px solid var(--hair);
  border-radius: var(--radius);
  background: var(--ink-800);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}

.faq-item:hover {
  border-color: var(--hair-strong);
}

.faq-item[open] {
  border-color: var(--gold);
  box-shadow: var(--shadow-soft);
}

.faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  line-height: 1.6;
  color: var(--paper);
}

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

.faq-item__q::marker {
  content: "";
}

.faq-item__num {
  flex: none;
  padding-top: 3px;
  font-size: 12px;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: .02em;
}

.faq-item__text {
  flex: 1 1 auto;
  font-weight: 600;
}

.faq-item__arrow {
  flex: none;
  width: 16px;
  height: 16px;
  margin-top: 6px;
  color: var(--gold);
  transition: transform .25s var(--ease);
}

.faq-item[open] .faq-item__arrow {
  transform: rotate(180deg);
}

.faq-item__a {
  padding: 0 16px 18px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--mist);
}

.faq-item__a p {
  margin: 0;
}

.faq-item__a p + p {
  margin-top: 10px;
}

.faq-item__a a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 216, 200, .45);
}

.faq-item__a a:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.faq-item[open] .faq-item__a {
  animation: faqReveal .26s var(--ease);
}

@keyframes faqReveal {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 排查步骤 */
.faq-steps {
  display: grid;
  gap: 8px;
  margin: 12px 0;
  padding: 14px 16px;
  list-style: none;
  border: 2px solid var(--wine);
  border-left: 6px solid var(--gold);
  border-radius: var(--radius);
  background: rgba(22, 34, 74, .62);
}

.faq-steps__item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper);
}

.faq-steps__num {
  flex: none;
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  margin-top: 3px;
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-900);
  background: var(--gold);
  border-radius: 50%;
}

.faq-steps__flow {
  display: block;
  margin: 4px 0 12px;
  color: var(--cyan);
}

/* 联络卡片 */
.faq-contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: 22px;
}

.faq-card {
  padding: 18px 18px 20px;
  border: 2px solid var(--gold);
  border-radius: var(--radius);
  background: var(--ink-800);
  box-shadow: var(--shadow-soft);
}

.faq-card__key {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--mist);
}

.faq-card__val {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--gold);
  word-break: break-all;
}

.faq-card__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

/* 尾部跳转 */
.faq-more {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 22px 0 0;
  font-size: 14px;
}

.faq-more a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 216, 200, .45);
}

.faq-more a:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* 检索过滤状态 */
.page-faq [data-filtered="out"] {
  display: none;
}

/* 响应式 */
@media (min-width: 560px) {
  .faq-item__a {
    padding-left: 44px;
  }
}

@media (min-width: 640px) {
  .faq-index__list {
    grid-template-columns: repeat(2, 1fr);
  }

  .faq-intro {
    padding: 30px 0 36px;
  }

  .faq-section {
    padding: 42px 0 8px;
  }

  .faq-figure {
    margin-bottom: 26px;
  }
}

@media (min-width: 720px) {
  .faq-contact {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1000px) {
  .faq-index__list {
    grid-template-columns: repeat(3, 1fr);
  }

  .faq-intro__title {
    font-size: clamp(40px, 4.4vw, 52px);
  }

  .faq-section {
    padding: 50px 0 10px;
  }

  .faq-item__q {
    font-size: 17px;
    padding: 17px 20px;
  }

  .faq-item__a {
    padding: 0 22px 20px 48px;
  }

  .faq-list {
    gap: 14px;
  }
}

@media (min-width: 1200px) {
  .faq-index__list {
    grid-template-columns: repeat(6, 1fr);
  }
}