.page-faq {
  --faq-rail: 232px;
  --faq-ink-soft: #55606f;
  background: var(--paper);
  color: var(--charcoal);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(108px, 15vh, 170px) 0 clamp(44px, 6vw, 72px);
  background:
    radial-gradient(92% 72% at 88% 2%, rgba(31, 77, 61, .92) 0%, rgba(31, 77, 61, 0) 62%),
    radial-gradient(70% 62% at 4% 98%, rgba(200, 162, 74, .18) 0%, rgba(200, 162, 74, 0) 60%),
    linear-gradient(168deg, #061229 0%, #0A1F44 58%, #071b36 100%);
  color: var(--paper);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(169, 192, 218, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(169, 192, 218, .07) 1px, transparent 1px);
  background-size: 76px 76px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent 86%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent 86%);
  pointer-events: none;
}

.page-faq .faq-hero .shell {
  position: relative;
  z-index: 2;
}

.page-faq .faq-crumb {
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-faq .faq-crumb a,
.page-faq .faq-crumb span {
  color: rgba(245, 241, 232, .74);
  font-size: .82rem;
}

.page-faq .faq-crumb a:hover {
  color: var(--gold-light);
}

.page-faq .faq-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin: 0 0 14px;
}

.page-faq .faq-eyebrow--dark {
  color: var(--gold);
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.8rem, 4.2vw, 3.4rem);
  line-height: 1.24;
  letter-spacing: -.01em;
  margin: 0 0 20px;
  max-width: 17em;
}

.page-faq .faq-hero__lede {
  color: rgba(245, 241, 232, .84);
  font-size: clamp(.98rem, 1.2vw, 1.08rem);
  line-height: 1.85;
  max-width: 40em;
  margin: 0;
}

.page-faq .faq-hero__grid {
  align-items: start;
}

.page-faq .faq-hero__side {
  margin-top: 12px;
}

.page-faq .faq-hero__media {
  border: 1px solid var(--line);
  background: rgba(6, 18, 41, .5);
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-hero__media .media__caption {
  color: rgba(245, 241, 232, .6);
}

/* 搜索 */
.page-faq .faq-search {
  margin-top: clamp(26px, 3.4vw, 38px);
  max-width: 560px;
}

.page-faq .faq-search__label {
  display: block;
  font-size: .82rem;
  letter-spacing: .14em;
  color: var(--gold-light);
  margin-bottom: 10px;
}

.page-faq .faq-search__field {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  border: 1px solid rgba(200, 162, 74, .46);
  border-radius: 2px;
  background: rgba(6, 18, 41, .55);
  backdrop-filter: blur(6px);
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}

.page-faq .faq-search__field:focus-within {
  border-color: var(--gold-light);
  box-shadow: 0 0 0 3px rgba(200, 162, 74, .18);
}

.page-faq .faq-search input {
  flex: 1 1 auto;
  min-width: 0;
  padding: 15px 0;
  border: 0;
  background: transparent;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 1rem;
}

.page-faq .faq-search input:focus {
  outline: none;
}

.page-faq .faq-search input::placeholder {
  color: rgba(143, 163, 191, .9);
}

.page-faq .faq-search__hint {
  flex: 0 0 auto;
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--gold);
  padding-left: 12px;
  border-left: 1px solid rgba(200, 162, 74, .3);
}

.page-faq .faq-search__note {
  margin: 10px 0 0;
  font-size: .84rem;
  color: rgba(245, 241, 232, .6);
}

/* 首屏数字 */
.page-faq .faq-figures {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: clamp(36px, 5vw, 60px) 0 0;
  padding: 0;
  list-style: none;
  background: rgba(200, 162, 74, .22);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-figures__item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 4px;
  background: rgba(6, 18, 41, .55);
}

.page-faq .faq-figures__num {
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  font-weight: 600;
  color: var(--gold-light);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.page-faq .faq-figures__label {
  font-size: .84rem;
  color: rgba(245, 241, 232, .72);
}

/* ---------- 通用章节头 ---------- */
.page-faq .faq-head__title,
.page-faq .faq-steps__title,
.page-faq .faq-pricing__title,
.page-faq .faq-contact__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  line-height: 1.3;
  letter-spacing: -.01em;
  margin: 0 0 14px;
}

.page-faq .faq-head__desc,
.page-faq .faq-pricing__desc {
  margin: 0;
  font-size: .98rem;
  line-height: 1.8;
  color: var(--faq-ink-soft);
  max-width: 44em;
}

.page-faq .faq-link {
  display: inline-block;
  margin-top: 14px;
  color: var(--emerald);
  font-weight: 600;
  font-size: .95rem;
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  padding-bottom: 2px;
}

.page-faq .faq-link:hover {
  color: var(--royal);
  border-bottom-color: var(--royal);
}

.page-faq .faq-link--light {
  color: var(--gold-light);
  border-bottom-color: rgba(230, 201, 122, .5);
}

.page-faq .faq-link--light:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 问题索引 ---------- */
.page-faq .faq-index {
  background: var(--paper);
  padding: clamp(44px, 6vw, 84px) 0;
}

.page-faq .faq-index__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: clamp(26px, 3.4vw, 40px);
}

.page-faq .faq-rail ul {
  list-style: none;
  display: flex;
  gap: 8px;
  margin: 0 0 16px;
  padding: 0 0 10px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-rail li {
  flex: 0 0 auto;
}

.page-faq .faq-rail a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--charcoal);
  font-size: .9rem;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}

.page-faq .faq-rail a:hover,
.page-faq .faq-rail a:focus-visible {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--midnight);
}

.page-faq .faq-rail__num {
  font-size: .76rem;
  color: var(--gold);
  letter-spacing: .06em;
}

.page-faq .faq-rail a:hover .faq-rail__num {
  color: var(--midnight);
}

.page-faq .faq-rail__hint {
  margin: 0;
  font-size: .84rem;
  line-height: 1.8;
  color: var(--faq-ink-soft);
  border-left: 2px solid var(--emerald);
  padding-left: 14px;
}

.page-faq .faq-rail__hint a {
  color: var(--emerald);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 77, 61, .35);
}

/* 问题组 */
.page-faq .faq-group {
  scroll-margin-top: 104px;
  margin-bottom: clamp(30px, 4vw, 46px);
}

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

.page-faq .faq-group__title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-family: var(--font-display);
  font-size: clamp(1.22rem, 2.2vw, 1.6rem);
  font-weight: 700;
  margin: 0 0 6px;
  color: var(--royal);
}

.page-faq .faq-group__num {
  font-size: .8rem;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-faq .faq-group__desc {
  margin: 0 0 10px;
  font-size: .9rem;
  color: var(--faq-ink-soft);
}

/* 折叠问答 */
.page-faq .qa {
  border-top: 1px solid var(--hair);
}

.page-faq .qa:last-of-type {
  border-bottom: 1px solid var(--hair);
}

.page-faq .qa summary {
  display: grid;
  grid-template-columns: 52px 1fr 24px;
  align-items: baseline;
  gap: 10px;
  padding: 17px 0;
  cursor: pointer;
  list-style: none;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.65;
  color: var(--charcoal);
  transition: color .2s var(--ease);
}

.page-faq .qa summary::-webkit-details-marker {
  display: none;
}

.page-faq .qa summary::marker {
  content: "";
}

.page-faq .qa summary::after {
  content: "+";
  justify-self: end;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  color: var(--gold);
  line-height: 1.2;
}

.page-faq .qa[open] summary::after {
  content: "–";
  color: var(--emerald);
}

.page-faq .qa summary:hover {
  color: var(--emerald);
}

.page-faq .qa summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.page-faq .qa__num {
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--gold);
  padding-top: 3px;
}

.page-faq .qa__body {
  padding: 0 24px 18px 52px;
  border-left: 2px solid var(--gold);
  margin-left: 2px;
  animation: faq-fade .22s var(--ease);
}

.page-faq .qa__body p {
  margin: 0 0 10px;
  font-size: .95rem;
  line-height: 1.85;
  color: #3d4552;
  max-width: 46em;
}

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

.page-faq .qa__body a {
  color: var(--emerald);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 77, 61, .4);
}

.page-faq .qa__body a:hover {
  border-bottom-color: var(--emerald);
}

@keyframes faq-fade {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- 四步排查 ---------- */
.page-faq .faq-steps {
  background:
    radial-gradient(80% 70% at 92% 0%, rgba(200, 162, 74, .16) 0%, rgba(200, 162, 74, 0) 58%),
    linear-gradient(165deg, #123528 0%, #1F4D3D 56%, #17402f 100%);
  color: var(--paper);
  padding: clamp(44px, 6vw, 84px) 0;
}

.page-faq .faq-steps__top {
  align-items: start;
}

.page-faq .faq-steps__title {
  color: var(--paper);
}

.page-faq .faq-steps__lede {
  color: rgba(245, 241, 232, .78);
  font-size: .98rem;
  line-height: 1.85;
  margin: 0;
  max-width: 38em;
}

.page-faq .faq-steps__media {
  border: 1px solid rgba(230, 201, 122, .3);
  background: rgba(6, 18, 41, .35);
  margin-top: 8px;
}

.page-faq .faq-steps__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-steps__media .media__caption {
  color: rgba(245, 241, 232, .58);
}

.page-faq .steps {
  list-style: none;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
}

.page-faq .steps__item {
  position: relative;
  padding: 0 0 28px 52px;
}

.page-faq .steps__item::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 30px;
  bottom: 0;
  width: 1px;
  background: rgba(230, 201, 122, .3);
}

.page-faq .steps__item:last-child {
  padding-bottom: 0;
}

.page-faq .steps__item:last-child::before {
  display: none;
}

.page-faq .steps__dot {
  position: absolute;
  left: 0;
  top: 0;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(230, 201, 122, .6);
  background: rgba(6, 18, 41, .38);
  color: var(--gold-light);
  font-size: .74rem;
  letter-spacing: .04em;
}

.page-faq .steps__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-faq .steps__title {
  font-family: var(--font-display);
  font-size: clamp(1.06rem, 1.8vw, 1.22rem);
  font-weight: 700;
  margin: 6px 0 8px;
  color: var(--paper);
}

.page-faq .steps__flag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
  font-size: .78rem;
  color: rgba(245, 241, 232, .68);
  cursor: pointer;
}

.page-faq .steps__flag input {
  width: 15px;
  height: 15px;
  accent-color: var(--gold);
  cursor: pointer;
}

.page-faq .steps__flag input:checked + span {
  color: var(--gold-light);
}

.page-faq .steps__flag input:focus-visible {
  outline: 2px solid var(--gold-light);
  outline-offset: 2px;
}

.page-faq .steps__text {
  margin: 0;
  font-size: .94rem;
  line-height: 1.85;
  color: rgba(245, 241, 232, .8);
  max-width: 46em;
}

.page-faq .steps__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: clamp(26px, 3.4vw, 36px);
}

/* ---------- 价格与评价 ---------- */
.page-faq .faq-pricing {
  background: var(--paper);
  padding: clamp(44px, 6vw, 84px) 0;
}

.page-faq .faq-pricing__top {
  align-items: start;
  margin-bottom: clamp(26px, 3.4vw, 40px);
}

.page-faq .faq-pricing__note {
  border-left: 2px solid var(--gold);
  padding: 2px 0 2px 18px;
}

.page-faq .faq-pricing__note p {
  margin: 0 0 6px;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--faq-ink-soft);
}

.page-faq .faq-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-top: 2px solid var(--royal);
}

.page-faq .price-table {
  width: 100%;
  min-width: 600px;
  border-collapse: collapse;
  font-size: .9rem;
  line-height: 1.6;
}

.page-faq .price-table__caption {
  text-align: left;
  padding: 12px 0;
  font-size: .78rem;
  letter-spacing: .14em;
  color: var(--faq-ink-soft);
}

.page-faq .price-table th,
.page-faq .price-table td {
  text-align: left;
  padding: 13px 14px;
  border-bottom: 1px solid var(--hair);
  vertical-align: top;
}

.page-faq .price-table thead th {
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--faq-ink-soft);
  font-weight: 600;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.page-faq .price-table tbody th {
  font-weight: 600;
  color: var(--royal);
  white-space: nowrap;
}

.page-faq .price-table tbody tr:nth-child(odd) {
  background: rgba(169, 192, 218, .1);
}

.page-faq .price-table tbody tr:hover {
  background: rgba(200, 162, 74, .12);
  box-shadow: inset 2px 0 0 var(--gold);
}

.page-faq .price-table__price {
  color: var(--emerald);
  font-weight: 600;
  white-space: nowrap;
}

.page-faq .price-table__free {
  color: var(--gold);
  font-weight: 600;
  white-space: nowrap;
}

/* 评价条形 */
.page-faq .faq-eval {
  margin-top: clamp(32px, 4vw, 52px);
  padding: clamp(22px, 3vw, 32px);
  background: #ede8dc;
  border-left: 3px solid var(--emerald);
}

.page-faq .faq-eval__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 20px;
}

.page-faq .faq-eval__title {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  font-weight: 700;
  margin: 0;
  color: var(--royal);
}

.page-faq .faq-eval__meta {
  margin: 0;
  font-size: .84rem;
  color: var(--faq-ink-soft);
}

.page-faq .faq-eval__meta .mono {
  color: var(--emerald);
  font-weight: 600;
}

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

.page-faq .eval-bar__top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: .88rem;
  color: #3d4552;
}

.page-faq .eval-bar__top .mono {
  color: var(--royal);
  font-weight: 600;
}

.page-faq .eval-bar__track {
  display: block;
  height: 9px;
  margin-top: 6px;
  background: rgba(28, 31, 36, .1);
  border-radius: 999px;
  overflow: hidden;
}

.page-faq .eval-bar__fill {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--emerald), var(--gold));
}

.page-faq .eval-bar__fill--a { width: 100%; }
.page-faq .eval-bar__fill--b { width: 76.5%; }
.page-faq .eval-bar__fill--c { width: 62.7%; }
.page-faq .eval-bar__fill--d { width: 36.1%; }

.page-faq .faq-eval__note {
  margin: 18px 0 0;
  font-size: .86rem;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

/* ---------- 联络 ---------- */
.page-faq .faq-contact {
  background:
    radial-gradient(70% 80% at 96% 4%, rgba(200, 162, 74, .16) 0%, rgba(200, 162, 74, 0) 60%),
    linear-gradient(160deg, #061229 0%, #0A1F44 100%);
  color: var(--paper);
  padding: clamp(44px, 6vw, 84px) 0;
}

.page-faq .faq-contact__title {
  color: var(--paper);
}

.page-faq .faq-contact__lede {
  margin: 0 0 26px;
  font-size: .96rem;
  line-height: 1.85;
  color: rgba(245, 241, 232, .78);
  max-width: 40em;
}

.page-faq .faq-contact__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: rgba(200, 162, 74, .22);
  border-top: 1px solid var(--line);
}

.page-faq .faq-contact__list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  padding: 14px 2px;
  background: rgba(6, 18, 41, .55);
}

.page-faq .faq-contact__key {
  flex: 0 0 82px;
  font-size: .78rem;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-faq .faq-contact__val {
  color: var(--paper);
  font-size: .96rem;
  line-height: 1.7;
  text-decoration: none;
  word-break: break-word;
}

.page-faq a.faq-contact__val:hover {
  color: var(--gold-light);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-faq .faq-contact__card {
  background: rgba(245, 241, 232, .06);
  border: 1px solid var(--line);
  padding: clamp(20px, 3vw, 28px);
  backdrop-filter: blur(4px);
}

.page-faq .faq-contact__card-title {
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 700;
  margin: 0 0 16px;
  color: var(--gold-light);
}

.page-faq .faq-contact__prep {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-contact__prep li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: .92rem;
  line-height: 1.7;
  color: rgba(245, 241, 232, .84);
}

.page-faq .faq-contact__prep .mono {
  font-size: .76rem;
  color: var(--gold);
}

.page-faq .faq-contact__copy {
  width: 100%;
  margin-bottom: 8px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-figures {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .faq-figures__item {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 18px 16px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__side {
    margin-top: 46px;
  }

  .page-faq .faq-index__body {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: 56px;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-faq .faq-rail ul {
    display: block;
    overflow: visible;
    margin-bottom: 20px;
    padding-bottom: 0;
  }

  .page-faq .faq-rail li + li {
    margin-top: 2px;
  }

  .page-faq .faq-rail a {
    display: flex;
    padding: 11px 2px;
    border: 0;
    border-bottom: 1px solid var(--hair);
    border-radius: 0;
    white-space: normal;
    background: transparent;
  }

  .page-faq .faq-rail a:hover,
  .page-faq .faq-rail a:focus-visible {
    background: transparent;
    color: var(--emerald);
    border-bottom-color: var(--gold);
  }

  .page-faq .faq-rail a:hover .faq-rail__num,
  .page-faq .faq-rail a:focus-visible .faq-rail__num {
    color: var(--gold);
  }

  .page-faq .qa__body {
    padding-left: 62px;
  }

  .page-faq .steps__item {
    padding-left: 66px;
  }

  .page-faq .steps__item::before {
    left: 22px;
    top: 42px;
  }

  .page-faq .steps__dot {
    width: 44px;
    height: 44px;
    font-size: .8rem;
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-steps__media {
    margin-top: 26px;
  }
}

@media (max-width: 599px) {
  .page-faq .qa summary {
    grid-template-columns: 44px 1fr 18px;
    gap: 8px;
    font-size: .95rem;
  }

  .page-faq .qa__body {
    padding: 0 4px 16px 44px;
  }

  .page-faq .faq-search__field {
    flex-wrap: wrap;
    padding: 4px 14px 8px;
  }

  .page-faq .faq-search__hint {
    padding-left: 0;
    border-left: 0;
  }

  .page-faq .steps__actions .btn {
    width: 100%;
    text-align: center;
  }

  .page-faq .faq-contact__key {
    flex-basis: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__body {
    animation: none;
  }

  .page-faq .qa summary,
  .page-faq .faq-rail a,
  .page-faq .faq-search__field {
    transition: none;
  }
}