.page-faq {
  --faq-ink: var(--charcoal);
  --faq-hair: rgba(27, 34, 44, 0.14);
  --faq-hair-soft: rgba(27, 34, 44, 0.08);
  --faq-gold-soft: rgba(217, 164, 65, 0.35);
  color: var(--text);
  padding-bottom: 0;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 40px 0 24px;
  overflow: hidden;
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 82% 12%, rgba(111, 169, 201, 0.16), transparent 46%),
    radial-gradient(circle at 12% 88%, rgba(107, 78, 125, 0.18), transparent 52%),
    linear-gradient(180deg, rgba(10, 22, 38, 0) 60%, rgba(10, 22, 38, 0.6));
  pointer-events: none;
}
.page-faq .faq-hero__grid {
  position: relative;
  display: grid;
  gap: 32px;
}
.page-faq .faq-hero__index {
  color: var(--gold);
  margin-bottom: 18px;
}
.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 8vw, 60px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--paper);
  margin: 0 0 20px;
  max-width: 18em;
}
.page-faq .faq-hero__title span {
  display: block;
  color: var(--gold);
}
.page-faq .faq-hero__lede {
  max-width: 620px;
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.85;
  margin: 0 0 26px;
}
.page-faq .faq-hero__points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  font-size: 13px;
  color: var(--text-dim);
  border-top: 1px solid var(--line);
  padding-top: 16px;
}
.page-faq .faq-hero__points li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.page-faq .faq-hero__points li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  flex: none;
  transform: translateY(-2px);
}
.page-faq .faq-hero__points .num {
  color: var(--gold);
  font-size: 18px;
}
.page-faq .faq-hero__media {
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--glass);
}
.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 过滤条 ---------- */
.page-faq .faq-filter {
  position: relative;
  margin-top: 8px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(20, 38, 61, 0.62), rgba(10, 22, 38, 0.32));
}
.page-faq .faq-filter__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  padding: 16px 0;
}
.page-faq .faq-filter__field {
  flex: 1 1 260px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.page-faq .faq-filter__label {
  color: var(--gold);
}
.page-faq .faq-filter__input {
  width: 100%;
  box-sizing: border-box;
  padding: 11px 16px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--paper);
  background: rgba(10, 22, 38, 0.75);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  outline: none;
  transition: border-color 200ms var(--ease), box-shadow 200ms var(--ease);
}
.page-faq .faq-filter__input::placeholder {
  color: rgba(245, 238, 226, 0.42);
}
.page-faq .faq-filter__input:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 2px rgba(217, 164, 65, 0.28);
}
.page-faq .faq-filter__actions {
  display: flex;
  gap: 10px;
  flex: none;
}
.page-faq .faq-filter__hint {
  flex: 1 1 100%;
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}

/* ---------- 主体双栏 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: 36px;
  padding: 44px 0 0;
  align-items: start;
}

/* 主题目录 */
.page-faq .faq-index {
  position: static;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--glass);
  padding: 20px 18px 18px;
}
.page-faq .faq-index__title {
  color: var(--gold);
  margin: 0 0 14px;
}
.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}
.page-faq .faq-index__link {
  display: grid;
  grid-template-columns: 26px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 10px 12px 10px 8px;
  border-left: 2px solid var(--faq-hair-soft);
  border-radius: 2px;
  text-decoration: none;
  color: var(--text-soft);
  font-size: 14px;
  transition: color 200ms var(--ease), border-color 200ms var(--ease), background 200ms var(--ease);
}
.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--paper);
  background: rgba(217, 164, 65, 0.08);
}
.page-faq .faq-index__link.is-active {
  border-left-color: var(--gold);
  color: var(--paper);
  background: rgba(217, 164, 65, 0.12);
}
.page-faq .faq-index__no {
  font-size: 11px;
  color: var(--gold);
  letter-spacing: 0.08em;
}
.page-faq .faq-index__count {
  font-size: 12px;
  color: var(--text-dim);
}
.page-faq .faq-index__media {
  margin: 18px 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: rgba(10, 22, 38, 0.5);
}
.page-faq .faq-index__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .faq-index__foot {
  margin: 0;
  color: var(--text-dim);
}

/* ---------- 分组 ---------- */
.page-faq .faq-groups {
  min-width: 0;
  display: grid;
  gap: 24px;
}
.page-faq .faq-group {
  scroll-margin-top: 120px;
}
.page-faq .faq-group__head {
  border-top: 2px solid var(--faq-gold-soft);
  padding-top: 16px;
  margin-bottom: 18px;
}
.page-faq .faq-group__no {
  color: var(--gold);
  margin: 0 0 10px;
}
.page-faq .faq-group__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 5.4vw, 32px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--paper);
  margin: 0 0 10px;
}
.page-faq .faq-group__desc {
  margin: 0;
  max-width: 640px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-soft);
}

/* 说明条：暖纸白与象牙纸深阶交替 */
.page-faq .faq-strip {
  margin: 8px 0 0;
  padding: 12px 18px;
  border-radius: var(--radius-card);
  font-size: 13px;
  line-height: 1.7;
  color: var(--faq-ink);
  border: 1px solid var(--faq-hair);
}
.page-faq .faq-strip--paper {
  background: var(--paper);
}
.page-faq .faq-strip--paper2 {
  background: var(--paper-2);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
}
.page-faq .faq-item {
  background: var(--paper);
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: border-color 220ms var(--ease), transform 220ms var(--ease);
}
.page-faq .faq-item:hover {
  border-color: var(--gold);
}
.page-faq .faq-item[open] {
  border-color: var(--gold);
}
.page-faq .faq-item__q {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: 15px 46px 15px 18px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--faq-ink);
  transition: color 180ms var(--ease);
}
.page-faq .faq-item__q::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item__q::after {
  content: "";
  position: absolute;
  right: 20px;
  top: 50%;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--red);
  border-bottom: 2px solid var(--red);
  transform: translateY(-70%) rotate(45deg);
  transition: transform 240ms var(--ease);
}
.page-faq .faq-item[open] .faq-item__q::after {
  transform: translateY(-30%) rotate(-135deg);
}
.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: -2px;
}
.page-faq .faq-item__a {
  padding: 0 18px 16px;
  border-top: 1px dashed var(--faq-hair);
  margin-top: -1px;
}
.page-faq .faq-item__a p {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: rgba(27, 34, 44, 0.86);
  max-width: 68ch;
}
.page-faq .faq-item__a .num {
  color: var(--charcoal);
  background: linear-gradient(180deg, transparent 66%, rgba(217, 164, 65, 0.45) 66%);
  padding: 0 2px;
}
.page-faq .faq-item.is-hidden {
  display: none;
}
.page-faq .faq-group.is-empty {
  display: none;
}

/* 关键词命中高亮 */
.page-faq mark.faq-hit {
  background: transparent;
  color: var(--faq-ink);
  border-bottom: 2px solid var(--gold);
  padding: 0 1px;
}

/* ---------- 仍未解决 ---------- */
.page-faq .faq-help {
  margin-top: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background:
    linear-gradient(160deg, rgba(192, 57, 47, 0.16), transparent 55%),
    var(--glass-deep);
  padding: 26px 20px 24px;
}
.page-faq .faq-help__no {
  color: var(--red);
  margin: 0 0 12px;
}
.page-faq .faq-help__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 5vw, 29px);
  line-height: 1.3;
  color: var(--paper);
  margin: 0 0 18px;
}
.page-faq .faq-help__grid {
  display: grid;
  gap: 22px;
}
.page-faq .faq-help__text p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--text-soft);
}
.page-faq .faq-help__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-faq .faq-help__list li {
  display: grid;
  grid-template-columns: 82px 1fr;
  gap: 12px;
  align-items: baseline;
  font-size: 13.5px;
  color: var(--text-soft);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
}
.page-faq .faq-help__list .index-label {
  color: var(--gold);
}
.page-faq .faq-help__side {
  border-left: 1px solid var(--line);
  padding-left: 0;
}
.page-faq .faq-help__side-line {
  margin: 0 0 14px;
  display: grid;
  gap: 4px;
  font-size: 14px;
  line-height: 1.7;
}
.page-faq .faq-help__side-line .index-label {
  color: var(--fog);
}
.page-faq .faq-help__side-line a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  word-break: break-all;
}
.page-faq .faq-help__side-line a:hover,
.page-faq .faq-help__side-line a:focus-visible {
  border-bottom-color: var(--gold);
  color: var(--gold);
}
.page-faq .faq-help__btns {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

/* ---------- 去向卡 ---------- */
.page-faq .faq-next {
  margin-top: 64px;
  padding: 44px 0 72px;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(20, 38, 61, 0.5), rgba(10, 22, 38, 0));
}
.page-faq .faq-next__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 4.6vw, 27px);
  color: var(--paper);
  margin: 0 0 22px;
}
.page-faq .faq-next__grid {
  display: grid;
  gap: 12px;
}
.page-faq .faq-next__card {
  display: grid;
  gap: 6px;
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--glass);
  text-decoration: none;
  transition: transform 220ms var(--ease), border-color 220ms var(--ease), background 220ms var(--ease);
}
.page-faq .faq-next__card:hover,
.page-faq .faq-next__card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--gold);
  background: rgba(20, 38, 61, 0.9);
}
.page-faq .faq-next__card:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 2px;
}
.page-faq .faq-next__tag {
  color: var(--gold);
}
.page-faq .faq-next__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--paper);
}
.page-faq .faq-next__note {
  font-size: 12.5px;
  color: var(--text-dim);
  line-height: 1.6;
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding: 64px 0 32px;
  }
  .page-faq .faq-hero__grid {
    grid-template-columns: 7fr 5fr;
    align-items: center;
    gap: 40px;
  }
  .page-faq .faq-hero__points {
    gap: 12px 30px;
  }
  .page-faq .faq-filter__inner {
    padding: 20px 0;
  }
  .page-faq .faq-help {
    padding: 32px 30px 30px;
  }
  .page-faq .faq-help__grid {
    grid-template-columns: 7fr 5fr;
    gap: 32px;
  }
  .page-faq .faq-help__side {
    padding-left: 24px;
    border-left: 1px solid var(--line);
  }
  .page-faq .faq-next__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .page-faq .faq-strip {
    padding: 13px 22px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1040px) {
  .page-faq .faq-hero {
    padding: 88px 0 40px;
  }
  .page-faq .faq-hero__grid {
    grid-template-columns: 7fr 4fr;
    gap: 56px;
  }
  .page-faq .faq-body {
    grid-template-columns: 264px 1fr;
    gap: 48px;
    padding-top: 56px;
  }
  .page-faq .faq-index {
    position: sticky;
    top: 132px;
  }
  .page-faq .faq-groups {
    gap: 30px;
  }
  .page-faq .faq-item__q {
    font-size: 15.5px;
    padding: 17px 52px 17px 22px;
  }
  .page-faq .faq-item__a {
    padding: 0 22px 18px;
  }
  .page-faq .faq-next__grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-faq .faq-next {
    margin-top: 88px;
    padding: 56px 0 88px;
  }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-next__card,
  .page-faq .faq-index__link {
    transition: none;
  }
  .page-faq .faq-item__q::after {
    transition: none;
  }
  .page-faq .faq-next__card:hover,
  .page-faq .faq-next__card:focus-visible {
    transform: none;
  }
}