.page-faq {
  --faq-num-size: clamp(3rem, 6vw, 4.5rem);
}

/* 顶部海报区 */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 48px 0 76px;
  background: var(--grad-navy);
  color: var(--c-white);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 36px;
}

.page-faq .faq-hero .breadcrumb a {
  color: rgba(255, 255, 255, .72);
  text-decoration: none;
}

.page-faq .faq-hero .breadcrumb a:hover {
  color: var(--c-gold);
}

.page-faq .faq-hero .breadcrumb span[aria-hidden] {
  color: rgba(255, 255, 255, .4);
}

.page-faq .faq-hero .breadcrumb span[aria-current] {
  color: var(--c-gold);
}

.page-faq .faq-hero .section-label {
  color: var(--c-gold);
}

.page-faq .faq-hero h1 {
  max-width: 16em;
  margin: 16px 0 20px;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.6rem);
  line-height: 1.12;
  color: var(--c-white);
}

.page-faq .faq-hero__lead {
  max-width: 44em;
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, .74);
}

.page-faq .faq-search {
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 560px;
  margin-top: 28px;
  padding: 6px 12px 6px 18px;
  background: var(--c-white);
  border: 2px solid var(--c-navy);
  border-radius: 999px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .18);
  transition: border-color .2s, box-shadow .2s;
}

.page-faq .faq-search__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--c-navy);
}

.page-faq .faq-search input {
  width: 100%;
  padding: 10px 0;
  border: 0;
  background: transparent;
  font-family: var(--font-body);
  font-size: .95rem;
  color: var(--c-ink);
  outline: none;
}

.page-faq .faq-search input::placeholder {
  color: var(--c-gray);
}

.page-faq .faq-search:focus-within {
  border-color: var(--c-gold);
  box-shadow: 0 0 0 4px rgba(245, 184, 46, .28);
}

.page-faq .faq-hot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  font-size: .84rem;
}

.page-faq .faq-hot__label {
  margin-right: 2px;
  color: rgba(255, 255, 255, .6);
}

.page-faq .faq-hot a {
  display: inline-block;
  padding: 4px 14px;
  border: 1.5px solid rgba(255, 255, 255, .55);
  border-radius: 999px;
  background: rgba(255, 255, 255, .08);
  color: var(--c-white);
  text-decoration: none;
  transition: background .2s, border-color .2s, color .2s;
}

.page-faq .faq-hot a:hover {
  background: var(--c-gold);
  border-color: var(--c-gold);
  color: var(--c-navy);
}

.page-faq .faq-hero__media {
  position: relative;
  border: 3px solid rgba(255, 255, 255, .25);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-float);
  transition: transform .3s ease;
}

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

/* 分类快速导航 */
.page-faq .faq-nav {
  position: relative;
  z-index: 5;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: -36px;
  margin-bottom: 24px;
}

.page-faq .faq-nav a {
  flex: 1 1 calc(50% - 12px);
  min-width: 140px;
  padding: 14px 18px;
  border: 2px solid var(--c-navy);
  border-radius: 12px;
  background: var(--c-white);
  box-shadow: 4px 4px 0 rgba(11, 31, 58, .22);
  color: var(--c-navy);
  font-family: var(--font-display);
  font-size: .95rem;
  font-weight: 600;
  letter-spacing: .03em;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
  transition: transform .2s, box-shadow .2s, background .2s;
}

.page-faq .faq-nav a:hover {
  background: var(--c-gold);
  box-shadow: 6px 6px 0 rgba(11, 31, 58, .22);
  transform: translate(-2px, -2px);
}

/* 问答区块通用 */
.page-faq .faq-section {
  padding: 64px 0;
}

.page-faq .faq-section--fee {
  background: var(--c-white);
}

.page-faq .faq-section--mobile {
  background: var(--c-fog);
}

.page-faq .faq-section__inner {
  display: grid;
  gap: 36px;
}

.page-faq .faq-section__aside {
  max-width: 420px;
}

.page-faq .faq-section__icon {
  display: block;
  width: 64px;
  height: 64px;
}

.page-faq .faq-section__num {
  margin: 16px 0 4px;
  font-family: var(--font-display);
  font-size: var(--faq-num-size);
  font-weight: 600;
  line-height: 1;
  color: var(--c-gold);
  text-shadow: 2px 2px 0 rgba(11, 31, 58, .15);
}

.page-faq .faq-section__aside h2 {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  line-height: 1.15;
  color: var(--c-navy);
}

.page-faq .faq-section__aside p:last-child {
  margin: 0;
  color: var(--c-gray);
  line-height: 1.7;
}

.page-faq .section-dark .faq-section__aside h2 {
  color: var(--c-white);
}

.page-faq .section-dark .faq-section__aside p:last-child {
  color: rgba(255, 255, 255, .72);
}

/* 手风琴列表 */
.page-faq .faq-list {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-faq .faq-item {
  position: relative;
  overflow: hidden;
  background: var(--c-white);
  border: 2px solid var(--c-navy);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition: box-shadow .2s ease, transform .2s ease;
}

.page-faq .faq-item:hover {
  box-shadow: var(--shadow-float);
  transform: translateY(-2px);
}

.page-faq .faq-item[open]::before {
  content: "";
  position: absolute;
  left: -2px;
  top: -2px;
  bottom: -2px;
  z-index: 2;
  width: 6px;
  background: var(--c-gold);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 22px 20px 24px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--c-ink);
}

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

.page-faq .faq-item summary::after {
  content: "";
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  margin-top: -4px;
  border-right: 2px solid var(--c-navy);
  border-bottom: 2px solid var(--c-navy);
  transform: rotate(45deg);
  transition: transform .2s ease, margin-top .2s ease;
}

.page-faq .faq-item[open] summary::after {
  margin-top: 4px;
  transform: rotate(225deg);
}

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

.page-faq .faq-item__tag {
  flex-shrink: 0;
  padding: 3px 9px;
  border: 1px solid currentColor;
  border-radius: 999px;
  color: var(--c-red);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  white-space: nowrap;
  opacity: .85;
  transition: opacity .2s;
}

.page-faq .faq-item:hover .faq-item__tag {
  opacity: 1;
}

.page-faq .faq-item__body {
  padding: 4px 24px 24px;
  background: var(--c-fog);
  border-top: 1px solid rgba(11, 31, 58, .08);
  animation: faq-fade .25s ease;
}

.page-faq .faq-item__body p {
  margin: 16px 0 0;
  font-size: .95rem;
  line-height: 1.75;
  color: var(--c-ink);
}

.page-faq .faq-item__body .btn {
  margin-top: 16px;
}

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

/* 移动端示意图 */
.page-faq .faq-device {
  max-width: 220px;
  margin-top: 20px;
  overflow: hidden;
  border: 2px solid var(--c-navy);
  border-radius: 16px;
  box-shadow: var(--shadow-float);
}

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

/* 底部引导 */
.page-faq .faq-more {
  padding: 64px 0;
  background: var(--c-gold);
  color: var(--c-navy);
}

.page-faq .faq-more__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.page-faq .faq-more h2 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--c-navy);
}

.page-faq .faq-more p {
  margin: 0;
  color: rgba(11, 31, 58, .75);
}

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

.page-faq .faq-more .btn--primary {
  background: var(--c-navy);
  border: 2px solid var(--c-navy);
  color: var(--c-white);
}

.page-faq .faq-more .btn--ghost {
  border: 2px solid var(--c-navy);
  color: var(--c-navy);
}

.page-faq .faq-more .btn--ghost:hover {
  background: var(--c-navy);
  color: var(--c-white);
}

/* 平板 */
@media (min-width: 768px) {
  .page-faq .faq-hero {
    padding: 64px 0 96px;
  }

  .page-faq .faq-nav a {
    flex: 1 1 calc(25% - 12px);
    min-width: 120px;
  }
}

/* 桌面 */
@media (min-width: 1024px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: 7fr 5fr;
    align-items: center;
    gap: 56px;
  }

  .page-faq .faq-hero__media {
    transform: rotate(2deg) translateY(10px);
  }

  .page-faq .faq-section {
    padding: 96px 0;
  }

  .page-faq .faq-section__inner {
    grid-template-columns: 5fr 7fr;
    gap: 48px;
  }

  .page-faq .faq-section__aside {
    position: sticky;
    top: 110px;
    align-self: start;
    padding-top: 8px;
  }
}

/* 减少动效 */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__body {
    animation: none;
  }

  .page-faq .faq-hero__media,
  .page-faq .faq-nav a,
  .page-faq .faq-item {
    transition: none;
  }
}