.page-faq {
  --faq-rail: 262px;
  background: var(--ink-950);
  color: var(--text);
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 18px 0 4px;
  font-size: 13px;
  color: var(--muted);
}
.page-faq .faq-crumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-faq .faq-crumb a:hover,
.page-faq .faq-crumb a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}
.page-faq .faq-crumb__sep {
  color: var(--line);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 88% at 90% -12%, rgba(56, 232, 212, .14), transparent 62%),
    radial-gradient(78% 70% at 2% 112%, rgba(255, 90, 43, .11), transparent 60%),
    var(--ink-950);
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(43, 58, 85, .32) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(43, 58, 85, .32) 1px, transparent 1px);
  background-size: 96px 96px;
  pointer-events: none;
  opacity: .45;
}
.page-faq .faq-hero > .shell {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 26px;
  padding: 26px 0 30px;
}
.page-faq .faq-hero__lead .eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan);
}
.page-faq h1 {
  margin: 0 0 16px;
  font-size: clamp(28px, 6.2vw, 52px);
  line-height: 1.14;
  letter-spacing: .05em;
  font-weight: 900;
}
.page-faq .faq-hero__intro {
  margin: 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}
.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-faq .faq-hero__media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-800);
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 0 100%);
  overflow: hidden;
}
.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 4;
  object-fit: cover;
}
.page-faq .faq-hero__media .media__caption {
  display: block;
  padding: 10px 14px 12px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 高频三条 ---------- */
.page-faq .faq-hot {
  padding-bottom: 6px;
}
.page-faq .faq-hot__label {
  margin: 0;
  padding: 6px 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--orange);
  border-top: 1px solid var(--line);
}
.page-faq .faq-hot__list {
  display: grid;
  gap: 0;
}
.page-faq .faq-hot__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 15px 12px 15px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: var(--text);
  transition: background var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}
.page-faq .faq-hot__item:last-child {
  border-bottom: 0;
}
.page-faq .faq-hot__item:hover,
.page-faq .faq-hot__item:focus-visible {
  background: rgba(56, 232, 212, .07);
  padding-left: 10px;
}
.page-faq .faq-hot__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
}
.page-faq .faq-hot__q {
  font-size: 15px;
  line-height: 1.6;
}

/* ---------- 检索与分类 ---------- */
.page-faq .faq-tools {
  background: var(--ink-900);
  border-bottom: 1px solid var(--line);
  padding: 16px 0;
}
.page-faq .faq-tools__inner {
  display: grid;
  gap: 14px;
}
.page-faq .faq-search {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  background: var(--ink-950);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.page-faq .faq-search:focus-within {
  border-color: var(--cyan);
  box-shadow: 0 0 0 1px rgba(56, 232, 212, .28);
}
.page-faq .faq-search__icon {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--cyan);
  line-height: 1;
}
.page-faq .faq-search__input {
  flex: 1 1 auto;
  min-width: 0;
  border: 0;
  background: transparent;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 15px;
  padding: 5px 0;
  outline: none;
}
.page-faq .faq-search__input::placeholder {
  color: var(--muted);
  opacity: .85;
}
.page-faq .faq-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-faq .faq-chips .chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 13px;
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--line);
  background: transparent;
  font-family: var(--font-mono);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.page-faq .faq-chips .chip:hover,
.page-faq .faq-chips .chip:focus-visible {
  color: var(--text);
  border-color: var(--cyan);
  background: rgba(56, 232, 212, .09);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: 34px;
  padding: 36px 0 72px;
}
.page-faq .faq-rail__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--muted);
}
.page-faq .faq-nav {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 0;
}
.page-faq .faq-nav__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 11px 12px;
  border-left: 2px solid transparent;
  border-bottom: 1px solid rgba(43, 58, 85, .5);
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.page-faq .faq-nav__link:hover,
.page-faq .faq-nav__link:focus-visible {
  color: var(--text);
  border-left-color: var(--cyan-deep);
  background: rgba(56, 232, 212, .05);
}
.page-faq .faq-nav__link.is-active {
  color: var(--text);
  border-left-color: var(--cyan);
  background: rgba(56, 232, 212, .08);
}
.page-faq .faq-nav__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}
.page-faq .faq-nav__link.is-active .faq-nav__no {
  color: var(--cyan);
}

.page-faq .faq-rail__note {
  padding: 16px;
  border: 1px solid var(--line);
  background: var(--ink-900);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
}
.page-faq .faq-rail__note-title {
  margin: 0 0 8px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--text);
}
.page-faq .faq-rail__note-text {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
  word-break: break-word;
}

/* ---------- 分类区块 ---------- */
.page-faq .faq-block {
  position: relative;
  margin-bottom: 58px;
  scroll-margin-top: calc(var(--head-h) + 20px);
}
.page-faq .faq-block:last-child {
  margin-bottom: 0;
}
.page-faq .faq-block__head {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-block__head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 128px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
}
.page-faq .faq-block__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--orange);
}
.page-faq .faq-block__title {
  margin: 0;
  font-size: clamp(21px, 3.4vw, 28px);
  line-height: 1.24;
  letter-spacing: .05em;
  font-weight: 900;
}
.page-faq .faq-block__note {
  margin: 12px 0 4px;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-item {
  position: relative;
  border-bottom: 1px solid rgba(43, 58, 85, .62);
  scroll-margin-top: calc(var(--head-h) + 32px);
}
.page-faq .faq-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 2px;
  background: var(--cyan);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform var(--dur) var(--ease);
}
.page-faq .faq-item:hover::before,
.page-faq .faq-item[open]::before {
  transform: scaleY(1);
}
.page-faq .faq-item > summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  padding: 17px 8px 17px 16px;
  transition: background var(--dur) var(--ease);
}
.page-faq .faq-item > summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item > summary::marker {
  content: "";
}
.page-faq .faq-item > summary:hover,
.page-faq .faq-item > summary:focus-visible {
  background: rgba(56, 232, 212, .05);
}
.page-faq .faq-item[open] > summary {
  background: rgba(56, 232, 212, .04);
}
.page-faq .faq-item__no {
  display: inline-block;
  min-width: 36px;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
}
.page-faq .faq-item__q {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.62;
  letter-spacing: .01em;
  color: var(--text);
}
.page-faq .faq-item__mark {
  position: relative;
  width: 20px;
  height: 20px;
  margin-top: 4px;
  flex: none;
}
.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  background: var(--muted);
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}
.page-faq .faq-item__mark::before {
  top: 9px;
  left: 1px;
  width: 18px;
  height: 2px;
}
.page-faq .faq-item__mark::after {
  top: 1px;
  left: 9px;
  width: 2px;
  height: 18px;
}
.page-faq .faq-item[open] .faq-item__mark::before {
  background: var(--cyan);
}
.page-faq .faq-item[open] .faq-item__mark::after {
  background: var(--cyan);
  transform: rotate(90deg);
}

.page-faq .faq-item__body {
  padding: 0 4px 22px 16px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
}
.page-faq .faq-item__body p {
  margin: 0 0 10px;
  max-width: 68ch;
}
.page-faq .faq-item__body p:last-child {
  margin-bottom: 0;
}
.page-faq .faq-item__body .tag {
  margin-right: 6px;
  vertical-align: middle;
}

/* ---------- 价格小表 ---------- */
.page-faq .faq-price {
  width: 100%;
  margin: 12px 0 4px;
  border-collapse: collapse;
  font-size: 14px;
  font-family: var(--font-sans);
}
.page-faq .faq-price caption {
  text-align: left;
  padding-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--muted);
}
.page-faq .faq-price th,
.page-faq .faq-price td {
  padding: 8px 10px 8px 0;
  text-align: left;
  border-bottom: 1px solid rgba(43, 58, 85, .75);
  vertical-align: baseline;
}
.page-faq .faq-price thead th {
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--text);
  border-bottom-color: var(--line);
}
.page-faq .faq-price tbody th {
  color: var(--text);
  font-weight: 600;
}
.page-faq .faq-price .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  text-align: right;
  color: var(--cyan);
  white-space: nowrap;
}
.page-faq .faq-price tbody tr:last-child .num {
  color: var(--orange);
}

/* ---------- 客户端配图 ---------- */
.page-faq .faq-figure {
  margin: 22px 0 24px;
  border: 1px solid var(--line);
  background: var(--ink-800);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
  overflow: hidden;
}
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}
.page-faq .faq-figure .media__caption {
  display: block;
  padding: 10px 14px 12px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 联系条 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: 0;
  margin-top: 22px;
  border: 1px solid var(--line);
  background: var(--ink-900);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
}
.page-faq .faq-contact__row {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 12px 18px;
  border-bottom: 1px solid rgba(43, 58, 85, .7);
}
.page-faq .faq-contact__row:last-child {
  border-bottom: 0;
}
.page-faq .faq-contact__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}
.page-faq .faq-contact__value {
  font-family: var(--font-mono);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  color: var(--text);
  word-break: break-word;
}

/* ---------- 自查清单区块 ---------- */
.page-faq .faq-block--check {
  padding: 26px 18px 24px;
  border: 1px solid var(--line);
  background: var(--ink-900);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%);
}
.page-faq .faq-block--check .faq-block__head {
  border-bottom-color: rgba(43, 58, 85, .8);
}
.page-faq .faq-block__foot {
  margin: 22px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}
.page-faq .faq-block__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 232, 212, .45);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-faq .faq-block__foot a:hover,
.page-faq .faq-block__foot a:focus-visible {
  color: var(--text);
  border-bottom-color: var(--text);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: 40px;
    align-items: end;
    padding: 34px 0 36px;
  }
  .page-faq .faq-hot__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-faq .faq-hot__item {
    border-bottom: 0;
    border-top: 1px solid var(--line);
    padding: 16px 18px 16px 0;
  }
  .page-faq .faq-hot__item + .faq-hot__item {
    padding-left: 18px;
    border-left: 1px solid var(--line);
  }
  .page-faq .faq-item__body {
    padding-left: 48px;
    padding-right: 12px;
  }
  .page-faq .faq-contact__row {
    grid-template-columns: 110px minmax(0, 1fr);
  }
}

@media (min-width: 940px) {
  .page-faq .faq-tools__inner {
    grid-template-columns: minmax(240px, 320px) minmax(0, 1fr);
    align-items: center;
    gap: 24px;
  }
  .page-faq .faq-chips {
    justify-content: flex-end;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: 64px;
    padding: 56px 0 96px;
  }
  .page-faq .faq-rail__inner {
    position: sticky;
    top: calc(var(--head-h) + 20px);
  }
  .page-faq .faq-block--check {
    padding: 34px 34px 30px;
  }
}

@media (max-width: 699px) {
  .page-faq .faq-price {
    font-size: 13px;
  }
  .page-faq .faq-price th,
  .page-faq .faq-price td {
    padding-right: 6px;
  }
  .page-faq .faq-item__q {
    font-size: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item::before,
  .page-faq .faq-item__mark::before,
  .page-faq .faq-item__mark::after,
  .page-faq .faq-hot__item,
  .page-faq .faq-nav__link {
    transition: none;
  }
  .page-faq .faq-item::before {
    transform: scaleY(1);
  }
}