.page-faq {
  --faq-line: rgba(110, 118, 108, 0.22);
  --faq-line-soft: rgba(110, 118, 108, 0.13);
  --faq-panel-2: #0b1613;
  display: block;
  background: var(--ink);
  color: var(--silver);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-faq .faq-band {
  padding-block: clamp(48px, 6vw, 96px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(32px, 4.6vw, 68px);
  padding-bottom: clamp(24px, 3.4vw, 48px);
}

.page-faq .breadcrumbs {
  margin-bottom: clamp(22px, 3vw, 42px);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 3.6vw, 52px);
  align-items: end;
}

.page-faq .faq-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 5.4vw, 72px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--bone);
}

.page-faq .faq-hero__lede {
  margin: 20px 0 0;
  max-width: 48ch;
  font-family: var(--font-serif);
  font-size: clamp(16px, 1.4vw, 19px);
  line-height: 1.85;
  color: var(--mineral);
}

/* 搜索框 */
.page-faq .faq-search {
  position: relative;
  padding: clamp(22px, 2.6vw, 34px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(155deg, var(--ink-2) 0%, var(--faq-panel-2) 100%);
}

.page-faq .faq-search__corner {
  position: absolute;
  width: 14px;
  height: 14px;
  border: 0 solid var(--gold);
  opacity: 0.75;
  pointer-events: none;
}

.page-faq .faq-search__corner--tl {
  top: 10px;
  left: 10px;
  border-top-width: 1px;
  border-left-width: 1px;
}

.page-faq .faq-search__corner--tr {
  top: 10px;
  right: 10px;
  border-top-width: 1px;
  border-right-width: 1px;
}

.page-faq .faq-search__corner--bl {
  bottom: 10px;
  left: 10px;
  border-bottom-width: 1px;
  border-left-width: 1px;
}

.page-faq .faq-search__corner--br {
  bottom: 10px;
  right: 10px;
  border-bottom-width: 1px;
  border-right-width: 1px;
}

.page-faq .faq-search__label {
  margin: 0 0 14px;
  color: var(--gold-lt);
}

.page-faq .faq-search__field {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 8px 6px 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  background: rgba(13, 17, 16, 0.72);
  transition: border-color 150ms var(--ease), box-shadow 150ms var(--ease);
}

.page-faq .faq-search__field:focus-within {
  border-color: var(--gold);
  box-shadow: 0 0 0 2px rgba(224, 196, 113, 0.42);
}

.page-faq .faq-search__icon {
  flex: 0 0 auto;
  color: var(--stone);
}

.page-faq .faq-search__input {
  flex: 1 1 auto;
  min-width: 0;
  padding: 12px 0;
  border: 0;
  background: transparent;
  color: var(--bone);
  font-family: inherit;
  font-size: 16px;
  line-height: 1.5;
}

.page-faq .faq-search__input::placeholder {
  color: rgba(201, 207, 201, 0.5);
}

.page-faq .faq-search__input:focus {
  outline: none;
}

.page-faq .faq-search__input::-webkit-search-cancel-button {
  display: none;
}

.page-faq .faq-search__clear {
  flex: 0 0 auto;
  padding: 8px 16px;
  border: 1px solid var(--line-gold);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--gold-lt);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 150ms var(--ease), color 150ms var(--ease);
}

.page-faq .faq-search__clear:hover {
  background: rgba(201, 162, 39, 0.16);
  color: var(--bone);
}

.page-faq .faq-search__hint {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- 通栏视觉 ---------- */
.page-faq .faq-visual {
  margin: 0;
  border: 1px solid var(--faq-line-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--ink-3);
}

.page-faq .faq-visual__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.72) contrast(1.03);
}

.page-faq .faq-visual__caption {
  padding: 14px 20px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  line-height: 1.7;
  color: var(--stone);
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-visual--flow {
  margin-top: clamp(28px, 3.6vw, 52px);
}

/* ---------- 主题簇 ---------- */
.page-faq .faq-topics__grid {
  list-style: none;
  margin: clamp(28px, 3.4vw, 48px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-faq .faq-topic {
  position: relative;
  padding: 22px 22px 20px;
  border: 1px solid var(--faq-line-soft);
  border-radius: var(--radius);
  background: linear-gradient(168deg, rgba(19, 42, 36, 0.86), rgba(13, 17, 16, 0.94));
  transition: transform 150ms var(--ease), border-color 150ms var(--ease), box-shadow 150ms var(--ease);
}

.page-faq .faq-topic:hover {
  transform: translateY(-4px);
  border-color: var(--line-gold);
  box-shadow: var(--lift);
}

.page-faq .faq-topic__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-faq .faq-topic__name {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 1.9vw, 25px);
  letter-spacing: -0.01em;
  color: var(--bone);
}

.page-faq .faq-topic__meta {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--stone);
}

.page-faq .faq-topic__num {
  color: var(--mineral);
}

.page-faq .faq-topic__samples {
  list-style: none;
  margin: 16px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--faq-line-soft);
  display: grid;
  gap: 9px;
}

.page-faq .faq-topic__samples li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--silver);
}

.page-faq .faq-topic__samples li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 1px;
  background: var(--clay);
}

/* ---------- 条目列表 ---------- */
.page-faq .faq-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  margin-top: clamp(24px, 3vw, 40px);
}

.page-faq .faq-filter__label {
  margin: 0;
  color: var(--stone);
}

.page-faq .faq-filter__row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-list {
  list-style: none;
  margin: clamp(18px, 2.2vw, 28px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-entry {
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .faq-entry__head {
  width: 100%;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 18px 14px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--bone);
  font-family: inherit;
  font-size: clamp(16px, 1.35vw, 18px);
  line-height: 1.55;
  text-align: left;
  cursor: pointer;
  transition: background 150ms var(--ease);
}

.page-faq .faq-entry__head:hover {
  background: rgba(60, 90, 72, 0.3);
}

.page-faq .faq-entry__head:focus-visible {
  outline: 2px solid var(--gold-lt);
  outline-offset: 2px;
}

.page-faq .faq-entry__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--stone);
  transition: color 150ms var(--ease);
}

.page-faq .faq-entry__head:hover .faq-entry__no,
.page-faq .faq-entry__head[aria-expanded="true"] .faq-entry__no {
  color: var(--gold);
}

.page-faq .faq-entry__arrow {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--stone);
  transition: transform 150ms var(--ease), color 150ms var(--ease);
}

.page-faq .faq-entry__head:hover .faq-entry__arrow {
  color: var(--gold-lt);
  transform: translateX(5px);
}

.page-faq .faq-entry__head[aria-expanded="true"] .faq-entry__arrow {
  color: var(--gold);
  transform: rotate(90deg);
}

.page-faq .faq-entry__body {
  padding: 2px 14px 24px 52px;
}

.page-faq .faq-entry__body a {
  color: var(--gold-lt);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-entry__body a:hover {
  color: var(--bone);
}

.page-faq .faq-entry__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: faqstep;
  display: grid;
  gap: 11px;
}

.page-faq .faq-entry__steps li {
  position: relative;
  counter-increment: faqstep;
  padding-left: 34px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--silver);
}

.page-faq .faq-entry__steps li::before {
  content: counter(faqstep);
  position: absolute;
  left: 0;
  top: 3px;
  width: 20px;
  height: 20px;
  border: 1px solid var(--line-gold);
  border-radius: 50%;
  color: var(--gold-lt);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 18px;
  text-align: center;
}

/* ---------- 三步动线 ---------- */
.page-faq .faq-steps__track {
  position: relative;
  margin-top: clamp(28px, 3.6vw, 48px);
}

.page-faq .faq-steps__line {
  display: none;
}

.page-faq .faq-steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-faq .faq-step {
  position: relative;
  padding: 24px 22px;
  border: 1px solid var(--faq-line-soft);
  border-radius: var(--radius);
  background: rgba(19, 42, 36, 0.44);
  transition: border-color 150ms var(--ease), transform 150ms var(--ease);
}

.page-faq .faq-step:hover {
  transform: translateY(-4px);
  border-color: var(--line-gold);
}

.page-faq .faq-step__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--clay);
}

.page-faq .faq-step__title {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(19px, 1.7vw, 23px);
  line-height: 1.4;
  color: var(--bone);
}

.page-faq .faq-step__text {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--silver);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-cta {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3vw, 44px);
  padding: clamp(26px, 3.8vw, 54px);
  border: 1px solid var(--line-gold);
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, rgba(19, 42, 36, 0.9), rgba(13, 17, 16, 0.96));
}

.page-faq .faq-cta__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 3.2vw, 42px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--bone);
}

.page-faq .faq-cta__text {
  margin: 18px 0 0;
  max-width: 52ch;
  font-size: 17px;
  line-height: 1.8;
  color: var(--silver);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 26px 0 0;
}

.page-faq .faq-cta__list {
  margin: 0;
  padding: 4px 0 0;
  display: grid;
  gap: 0;
}

.page-faq .faq-cta__item {
  display: grid;
  gap: 4px;
  padding: 16px 0;
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-cta__item:first-child {
  border-top: 1px solid var(--line-gold);
}

.page-faq .faq-cta__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--stone);
}

.page-faq .faq-cta__val {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--bone);
  word-break: break-word;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-topics__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 1.08fr 0.92fr;
  }

  .page-faq .faq-steps__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-faq .faq-steps__line {
    display: block;
    position: absolute;
    top: 34px;
    left: 3%;
    width: 94%;
    height: 2px;
    pointer-events: none;
  }

  .page-faq .faq-cta {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
  }
}

@media (min-width: 1020px) {
  .page-faq .faq-topics__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 619px) {
  .page-faq .faq-search__field {
    flex-wrap: wrap;
    padding: 12px 14px;
    border-radius: var(--radius);
  }

  .page-faq .faq-search__input {
    flex: 1 1 140px;
  }

  .page-faq .faq-entry__body {
    padding-left: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-topic,
  .page-faq .faq-step,
  .page-faq .faq-entry__head,
  .page-faq .faq-entry__arrow,
  .page-faq .faq-search__field {
    transition: none;
  }

  .page-faq .faq-topic:hover,
  .page-faq .faq-step:hover {
    transform: none;
  }
}