.page-faq {
  --faq-edge: rgba(243, 239, 228, .18);
  --faq-edge-strong: rgba(243, 239, 228, .36);
  --faq-panel: rgba(20, 42, 35, .82);
  display: block;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 26px 0 42px;
  background:
    linear-gradient(158deg, var(--deep) 0%, var(--ink) 62%),
    var(--ink);
  border-bottom: 3px solid var(--faq-edge-strong);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -14%;
  bottom: -46%;
  width: 88%;
  height: 300px;
  background: var(--moss);
  opacity: .55;
  transform: rotate(-7deg);
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 22px;
}

.page-faq .breadcrumb {
  font-size: .78rem;
  letter-spacing: .08em;
}

.page-faq .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .breadcrumb-link {
  color: var(--paper-dim);
  text-decoration: none;
  border-bottom: 1px solid var(--faq-edge-strong);
}

.page-faq .breadcrumb-link:hover,
.page-faq .breadcrumb-link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-faq .breadcrumb-item span[aria-current="page"] {
  color: var(--yellow);
  font-family: var(--font-num);
}

.page-faq .eyebrow {
  margin: 0;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cyan);
  font-weight: 500;
}

.page-faq .faq-hero__copy h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.05;
  font-size: clamp(1.95rem, 7.6vw, 4rem);
  color: var(--paper);
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: 1rem;
  line-height: 1.82;
  color: var(--paper-dim);
}

.page-faq .faq-hero__media {
  position: relative;
  border: 3px solid var(--faq-edge-strong);
  box-shadow: var(--shadow-hard);
  background: var(--moss);
  overflow: hidden;
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 2;
  filter: saturate(.82) contrast(1.06);
}

.page-faq .faq-hero__media .media-frame__tag {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 6px 12px;
  background: var(--orange);
  color: var(--ink);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .12em;
}

.page-faq .faq-hero__facts {
  display: grid;
  gap: 10px;
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  background: var(--faq-panel);
  border-left: 3px solid var(--cyan);
}

.page-faq .faq-fact__num {
  font-family: var(--font-num);
  font-weight: 600;
  font-size: 1.65rem;
  line-height: 1;
  color: var(--cyan);
  min-width: 2ch;
  text-align: right;
}

.page-faq .faq-fact__txt {
  font-size: .86rem;
  line-height: 1.5;
  color: var(--paper-dim);
}

/* ---------- 搜索条 ---------- */

.page-faq .faq-searchbar {
  padding: 20px 0;
  background: var(--moss);
  border-bottom: 3px solid var(--faq-edge-strong);
}

.page-faq .faq-searchbar__inner {
  display: grid;
  gap: 10px;
}

.page-faq .faq-search__label {
  font-family: var(--font-editorial);
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--paper);
}

.page-faq .faq-search__input {
  box-sizing: border-box;
  width: 100%;
  padding: 13px 14px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--paper);
  background: var(--ink);
  border: 2px solid var(--faq-edge-strong);
  border-radius: var(--radius);
  outline: none;
  transition: border-color var(--ease), box-shadow var(--ease);
}

.page-faq .faq-search__input::placeholder {
  color: rgba(243, 239, 228, .46);
}

.page-faq .faq-search__input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(79, 224, 190, .26);
}

.page-faq .faq-search__hint {
  margin: 0;
  font-size: .78rem;
  letter-spacing: .06em;
  color: rgba(243, 239, 228, .6);
}

/* ---------- 主体布局 ---------- */

.page-faq .faq-body {
  padding: 34px 0 68px;
  background:
    linear-gradient(180deg, var(--ink) 0%, #0B100E 100%);
}

.page-faq .faq-layout {
  display: grid;
  gap: 26px;
}

.page-faq .faq-index {
  padding: 14px;
  background: var(--deep);
  border: 2px solid var(--faq-edge);
}

.page-faq .faq-index__caption {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--yellow);
}

.page-faq .faq-index__list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-index__item {
  display: flex;
  align-items: baseline;
  gap: 7px;
  padding: 9px 11px;
  white-space: nowrap;
  font-size: .9rem;
  color: var(--paper-dim);
  text-decoration: none;
  border-left: 3px solid transparent;
  border-bottom: 1px solid var(--faq-edge);
  transition: color var(--ease), border-color var(--ease), background var(--ease);
}

.page-faq .faq-index__item:hover,
.page-faq .faq-index__item:focus-visible {
  color: var(--paper);
  border-left-color: var(--cyan);
  background: rgba(79, 224, 190, .08);
}

.page-faq .faq-index__num {
  font-family: var(--font-num);
  font-size: .78rem;
  color: var(--cyan);
}

/* ---------- 问答分组 ---------- */

.page-faq .faq-group {
  margin: 0 0 46px;
  scroll-margin-top: 96px;
}

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

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  margin-bottom: 18px;
  border-bottom: 3px solid var(--faq-edge-strong);
}

.page-faq .faq-group__num {
  font-family: var(--font-num);
  font-weight: 600;
  font-size: 1.4rem;
  line-height: 1;
  color: var(--orange);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-editorial);
  font-weight: 600;
  font-size: clamp(1.28rem, 5vw, 1.9rem);
  line-height: 1.3;
  color: var(--paper);
}

.page-faq .faq-group .accordion {
  display: grid;
  gap: 12px;
}

.page-faq .accordion-item {
  background: var(--deep);
  border: 2px solid var(--faq-edge);
  border-left: 4px solid var(--stone);
  box-shadow: var(--shadow-hard-sm);
  transition: border-left-color var(--ease), box-shadow var(--ease), transform var(--ease);
}

.page-faq .accordion-item:has(.accordion-trigger[aria-expanded="true"]) {
  border-left-color: var(--cyan);
}

.page-faq .accordion-head {
  margin: 0;
  font-size: inherit;
}

.page-faq .accordion-trigger {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  width: 100%;
  min-height: 46px;
  padding: 15px 15px;
  background: transparent;
  border: 0;
  text-align: left;
  color: var(--paper);
  font-family: var(--font-body);
  cursor: pointer;
}

.page-faq .accordion-trigger:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: -3px;
}

.page-faq .faq-q__num {
  flex: 0 0 auto;
  padding-top: 3px;
  font-family: var(--font-num);
  font-size: .78rem;
  color: var(--clay);
}

.page-faq .faq-q__text {
  flex: 1 1 auto;
  font-family: var(--font-editorial);
  font-weight: 600;
  font-size: 1.04rem;
  line-height: 1.55;
}

.page-faq .faq-q__sign {
  position: relative;
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  margin-top: 6px;
}

.page-faq .faq-q__sign::before,
.page-faq .faq-q__sign::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  transition: transform var(--ease), opacity var(--ease);
}

.page-faq .faq-q__sign::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-faq .faq-q__sign::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
}

.page-faq .accordion-trigger[aria-expanded="true"] .faq-q__sign::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .accordion-panel {
  display: none;
  padding: 0 15px 17px 15px;
  border-top: 1px solid var(--faq-edge);
}

.page-faq .accordion-item:has(.accordion-trigger[aria-expanded="true"]) > .accordion-panel {
  display: block;
}

.page-faq .accordion-panel p {
  margin: 14px 0 0;
  max-width: 68ch;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--paper-dim);
}

.page-faq .accordion-panel a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-note {
  margin: 16px 0 0;
  padding: 12px 14px;
  font-size: .88rem;
  line-height: 1.7;
  color: var(--paper-dim);
  background: rgba(169, 105, 74, .14);
  border-left: 3px solid var(--clay);
}

/* ---------- 移动端章节配图 ---------- */

.page-faq .faq-group__split {
  display: grid;
  gap: 20px;
}

.page-faq .faq-figure {
  margin: 0;
  border: 3px solid var(--faq-edge-strong);
  box-shadow: var(--shadow-hard);
  background: var(--moss);
  overflow: hidden;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.8) contrast(1.08);
}

.page-faq .faq-figure__caption {
  margin: 0;
  padding: 11px 13px;
  font-size: .82rem;
  line-height: 1.6;
  color: var(--paper-dim);
  border-top: 2px solid var(--faq-edge);
}

/* ---------- 收尾 ---------- */

.page-faq .faq-group--closing .faq-closing {
  padding: 20px 18px;
  background: var(--moss);
  border: 3px solid var(--faq-edge-strong);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-closing p {
  margin: 0 0 14px;
  max-width: 66ch;
  font-size: .96rem;
  line-height: 1.8;
  color: var(--paper);
}

.page-faq .faq-closing__btn {
  display: inline-block;
  padding: 12px 22px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: .95rem;
  letter-spacing: .04em;
  text-decoration: none;
  color: var(--ink);
  background: var(--orange);
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard-sm);
  transition: transform var(--ease), box-shadow var(--ease);
}

.page-faq .faq-closing__btn:hover,
.page-faq .faq-closing__btn:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-lift);
}

.page-faq .back-to-top {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 20;
  padding: 10px 14px;
  font-family: var(--font-body);
  font-size: .8rem;
  letter-spacing: .06em;
  color: var(--paper);
  background: var(--deep);
  border: 2px solid var(--faq-edge-strong);
  border-radius: var(--radius);
  cursor: pointer;
}

.page-faq .back-to-top:hover,
.page-faq .back-to-top:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
}

/* ---------- 平板与桌面 ---------- */

@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding: 34px 0 54px;
  }

  .page-faq .faq-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-searchbar__inner {
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 14px 20px;
  }

  .page-faq .faq-search__label {
    grid-column: 1 / -1;
  }

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

  .page-faq .faq-search__hint {
    text-align: right;
  }

  .page-faq .faq-group__split {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr);
    align-items: start;
    gap: 24px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    grid-template-areas:
      "crumb crumb"
      "copy  media"
      "facts media";
    column-gap: 46px;
    row-gap: 18px;
    align-items: start;
  }

  .page-faq .breadcrumb {
    grid-area: crumb;
  }

  .page-faq .faq-hero__copy {
    grid-area: copy;
  }

  .page-faq .faq-hero__media {
    grid-area: media;
    margin-top: 4px;
  }

  .page-faq .faq-hero__facts {
    grid-area: facts;
    grid-template-columns: 1fr;
    margin-top: 6px;
  }

  .page-faq .faq-body {
    padding: 52px 0 88px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 248px minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

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

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-index__item {
    border-bottom: 1px solid var(--faq-edge);
  }

  .page-faq .faq-group {
    margin-bottom: 58px;
  }

  .page-faq .accordion-trigger {
    padding: 17px 18px;
  }

  .page-faq .accordion-panel {
    padding: 0 18px 19px 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-q__sign::before,
  .page-faq .faq-q__sign::after,
  .page-faq .faq-closing__btn,
  .page-faq .faq-index__item {
    transition: none;
  }

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