/* ===== 常见问题页 ===== */
.page-faq {
  --faq-gold-ink: #8A6216;
  --faq-rule: rgba(10, 20, 40, .14);
  --faq-shell: 66ch;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 34px 0 40px;
  background:
    radial-gradient(880px 420px at 82% -14%, rgba(63, 224, 208, .16), transparent 68%),
    radial-gradient(620px 360px at 4% 6%, rgba(232, 182, 90, .10), transparent 72%),
    var(--bg);
  border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(760px 380px at 62% 0%, #000 0%, transparent 78%);
  mask-image: radial-gradient(760px 380px at 62% 0%, #000 0%, transparent 78%);
  opacity: .48;
  pointer-events: none;
}

.page-faq .faq-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-faq .crumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-faq .crumbs-item {
  color: var(--muted);
  text-decoration: none;
  transition: color .2s ease;
}

.page-faq .crumbs-item:hover {
  color: var(--accent-soft);
}

.page-faq .crumbs-item[aria-current="page"] {
  color: var(--accent);
}

.page-faq .crumbs-sep {
  color: var(--line);
}

.page-faq .faq-hero-copy .display {
  margin: 14px 0 0;
}

.page-faq .faq-hero-copy .lead {
  max-width: 58ch;
  margin-top: 20px;
}

.page-faq .faq-hero-aside {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(18, 34, 74, .88), rgba(11, 23, 51, .68));
  padding: 20px;
  box-shadow: var(--shadow);
}

.page-faq .faq-meter {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 14px;
  margin-bottom: 14px;
  border-bottom: 1px dashed var(--line);
}

.page-faq .faq-meter:last-of-type {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-meter-num {
  flex: 0 0 auto;
  font-size: 42px;
  line-height: 1;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: .02em;
}

.page-faq .faq-meter-num small {
  font-size: 15px;
  color: var(--muted);
  margin-left: 3px;
}

.page-faq .faq-meter-label {
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
}

.page-faq .faq-hero-tip {
  margin: 16px 0 0;
}

/* ---------- 分类标签条 ---------- */
.page-faq .faq-cats .main {
  padding-top: 2px;
}

.page-faq .faq-cats .headline {
  margin-bottom: 18px;
}

.page-faq .faq-tagbar {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 4px 4px 12px;
  margin: -4px -4px 0;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-tagbar::-webkit-scrollbar {
  height: 4px;
}

.page-faq .faq-tagbar::-webkit-scrollbar-thumb {
  background: var(--line);
}

.page-faq .faq-tagbar .tag {
  flex: 0 0 auto;
  appearance: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .05em;
  white-space: nowrap;
  color: var(--muted);
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px 16px;
  cursor: pointer;
  transition: color .22s ease, border-color .22s ease, background .22s ease;
}

.page-faq .faq-tagbar .tag:hover {
  color: var(--accent-soft);
  border-color: var(--accent);
}

.page-faq .faq-tagbar .tag.is-active {
  color: var(--accent-ink);
  background: var(--accent);
  border-color: var(--accent);
  font-weight: 600;
}

.page-faq .faq-tagbar .tag:focus-visible {
  outline: 2px solid var(--accent-soft);
  outline-offset: 2px;
}

/* ---------- 问答列表头与配图 ---------- */
.page-faq .faq-list-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  margin-bottom: 26px;
}

.page-faq .faq-list-head .headline {
  align-self: end;
}

.page-faq .faq-media {
  margin: 0;
}

.page-faq .faq-media .media-frame {
  border: 1px solid var(--line);
  background: var(--bg-2);
  overflow: hidden;
}

.page-faq .faq-media .media-img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 4;
  object-fit: cover;
  filter: saturate(.68) brightness(.9) contrast(1.05);
}

.page-faq .faq-media .media-cap {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

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

.page-faq .faq-fold {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(18, 34, 74, .58), rgba(11, 23, 51, .48));
  transition: border-color .22s ease, box-shadow .22s ease, transform .22s ease;
  overflow: hidden;
}

.page-faq .faq-fold::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--line);
  transition: background .24s ease;
}

.page-faq .faq-fold:hover {
  border-color: rgba(63, 224, 208, .42);
  transform: translateY(-2px);
}

.page-faq .faq-fold[data-open] {
  border-color: rgba(63, 224, 208, .55);
  box-shadow: var(--shadow-lift);
}

.page-faq .faq-fold[data-open]::before {
  background: var(--gold);
}

.page-faq .faq-fold.is-hidden {
  display: none;
}

.page-faq .faq-fold-h {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-faq .faq-fold .fold-head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  width: 100%;
  padding: 16px 16px 16px 20px;
  background: transparent;
  border: 0;
  text-align: left;
  color: inherit;
  font: inherit;
  cursor: pointer;
}

.page-faq .faq-fold .fold-head:focus-visible {
  outline: 2px solid var(--accent-soft);
  outline-offset: -2px;
}

.page-faq .faq-fold-idx {
  flex: 0 0 auto;
  padding-top: 3px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-faq .faq-fold-title {
  flex: 1 1 auto;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--text);
}

.page-faq .faq-fold-sign {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
  line-height: 1;
  transition: transform .24s ease, color .24s ease, border-color .24s ease;
}

.page-faq .faq-fold[data-open] .faq-fold-sign {
  transform: rotate(45deg);
  color: var(--accent);
  border-color: var(--accent);
}

.page-faq .faq-fold .fold-body {
  padding: 0 18px 18px 54px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .faq-fold .fold-body p {
  margin: 0 0 10px;
}

.page-faq .faq-fold .fold-body p:last-child {
  margin-bottom: 0;
}

/* ---------- 三步排查（浅纸面色带） ---------- */
.page-faq .band--paper {
  background: var(--sheet);
  color: var(--sheet-ink);
}

.page-faq .band--paper .headline {
  color: var(--sheet-ink);
}

.page-faq .band--paper .lead {
  color: var(--sheet-muted);
}

.page-faq .band--paper .eyebrow {
  color: var(--faq-gold-ink);
}

.page-faq .band--paper .note {
  color: var(--sheet-muted);
  border-left-color: var(--faq-rule);
}

.page-faq .faq-steps {
  padding-top: 46px;
  padding-bottom: 48px;
}

.page-faq .faq-steps-head {
  max-width: 60ch;
}

.page-faq .faq-steps-head .headline {
  margin: 10px 0 0;
}

.page-faq .faq-steps-lead {
  margin-top: 14px;
}

.page-faq .faq-path {
  list-style: none;
  margin: 38px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
}

.page-faq .faq-path .path-step {
  position: relative;
  padding-top: 28px;
  border-top: 2px solid var(--faq-rule);
  display: grid;
  gap: 8px;
}

.page-faq .faq-path .path-node {
  position: absolute;
  top: -18px;
  left: 0;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--sheet);
  border: 2px solid var(--faq-gold-ink);
  color: var(--faq-gold-ink);
  font-size: 14px;
  font-weight: 700;
  transition: background .28s ease, color .28s ease;
}

.page-faq .faq-path.is-lit .path-node,
.page-faq .faq-path:hover .path-node {
  background: var(--faq-gold-ink);
  color: var(--sheet);
}

.page-faq .faq-path .path-caption {
  font-size: 15px;
  line-height: 1.85;
  color: var(--sheet-muted);
}

.page-faq .faq-path .path-title {
  display: block;
  margin-bottom: 6px;
  font-size: 18px;
  font-weight: 700;
  color: var(--sheet-ink);
}

.page-faq .faq-steps-foot {
  margin: 32px 0 0;
}

/* ---------- 联系客服 ---------- */
.page-faq .faq-contact-lead {
  max-width: 58ch;
  margin-top: 14px;
}

.page-faq .faq-contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  margin-top: 30px;
}

.page-faq .faq-prep {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(18, 34, 74, .6), rgba(11, 23, 51, .46));
  padding: 22px 20px;
}

.page-faq .faq-prep-title {
  margin: 0 0 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: .02em;
}

.page-faq .faq-prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-prep-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--line-soft);
}

.page-faq .faq-prep-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-prep-list .mono {
  flex: 0 0 auto;
  padding-top: 3px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--accent);
}

.page-faq .faq-prep-note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-contact-media {
  margin: 0;
}

.page-faq .faq-contact-media .media-frame {
  border: 1px solid var(--line);
  background: var(--bg-2);
  overflow: hidden;
}

.page-faq .faq-contact-media .media-img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
  filter: saturate(.6) brightness(.88) contrast(1.06);
}

.page-faq .faq-contact-media .media-cap {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-faq .faq-ledger {
  margin-top: 30px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-ledger .ledger-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-ledger .ledger-key {
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--muted);
}

.page-faq .faq-ledger .ledger-val {
  margin: 0;
  font-size: 15px;
  color: var(--text);
  word-break: break-word;
}

/* ---------- 更新节奏 ---------- */
.page-faq .faq-cycle-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  align-items: center;
  padding: 26px 22px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  background:
    radial-gradient(520px 260px at 92% 0%, rgba(63, 224, 208, .13), transparent 70%),
    linear-gradient(180deg, var(--bg-1), var(--bg));
}

.page-faq .faq-cycle-text {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--muted);
  max-width: 62ch;
}

.page-faq .faq-cycle-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero {
    padding: 46px 0 50px;
  }

  .page-faq .faq-contact-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
  }

  .page-faq .faq-ledger .ledger-row {
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.62fr) minmax(268px, .88fr);
    gap: 48px;
    align-items: end;
  }

  .page-faq .faq-list-head {
    grid-template-columns: minmax(0, 1fr) minmax(270px, .8fr);
    gap: 32px;
    align-items: end;
  }

  .page-faq .faq-path {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }

  .page-faq .faq-cycle-card {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 34px;
    padding: 30px 30px;
  }

  .page-faq .faq-fold .fold-head {
    padding: 18px 20px 18px 24px;
  }

  .page-faq .faq-fold .fold-body {
    padding: 0 24px 20px 58px;
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-hero-copy .display {
    max-width: 15ch;
  }
}