.page-faq {
  --faq-pad: clamp(32px, 5vw, 64px);
  --faq-line: rgba(42, 59, 82, .72);
  --faq-gap: clamp(20px, 3.4vw, 40px);
  --faq-rail-w: 236px;
  display: block;
  background: var(--space-950);
  color: var(--text-primary);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(24px, 4vw, 44px) 0 clamp(30px, 4.6vw, 56px);
  border-bottom: 1px solid var(--line-600);
}

.page-faq .faq-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.page-faq .faq-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .3;
  filter: saturate(.75) brightness(.8);
}

.page-faq .faq-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 12% 8%, rgba(57, 245, 200, .14), transparent 58%),
    linear-gradient(180deg, rgba(5, 10, 20, .72) 0%, rgba(5, 10, 20, .94) 62%, var(--space-950) 100%);
}

.page-faq .faq-hero__inner {
  position: relative;
}

.page-faq .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--text-muted);
}

.page-faq .breadcrumb a {
  color: var(--text-secondary);
  text-decoration: none;
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--teal-300);
}

.page-faq .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line-600);
}

.page-faq .faq-hero h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 7vw, 4.1rem);
  line-height: 1.06;
  letter-spacing: -.01em;
  max-width: 20ch;
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.8;
  color: var(--text-secondary);
}

/* 搜索框 */
.page-faq .faq-search {
  margin-top: clamp(20px, 3vw, 30px);
  max-width: 620px;
}

.page-faq .faq-search__label {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--text-muted);
}

.page-faq .faq-search__field {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border: 1px solid var(--line-600);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(14, 32, 56, .92), rgba(8, 20, 38, .92));
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}

.page-faq .faq-search__field:focus-within {
  border-color: var(--teal-400);
  box-shadow: 0 0 0 3px rgba(57, 245, 200, .12);
}

.page-faq .faq-search__icon {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  color: var(--teal-400);
}

.page-faq .faq-search__input {
  flex: 1 1 auto;
  min-width: 0;
  border: 0;
  background: transparent;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  outline: none;
}

.page-faq .faq-search__input::placeholder {
  color: var(--text-muted);
}

/* 热门问题 */
.page-faq .faq-hot {
  margin-top: clamp(16px, 2.4vw, 22px);
}

.page-faq .faq-hot__title {
  margin: 0 0 10px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--text-muted);
}

.page-faq .faq-hot__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hot__link {
  display: inline-block;
  padding: 7px 12px;
  border: 1px solid var(--line-600);
  border-radius: 999px;
  font-size: 13px;
  line-height: 1.4;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease);
}

.page-faq .faq-hot__link:hover,
.page-faq .faq-hot__link:focus-visible {
  color: var(--teal-300);
  border-color: var(--teal-400);
  transform: translateY(-2px);
}

/* 统计条 */
.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(24px, 3.6vw, 38px);
  background: var(--line-600);
  border: 1px solid var(--line-600);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-faq .faq-stats__cell {
  background: var(--space-900);
  padding: 14px 16px 16px;
}

.page-faq .faq-stats__num {
  margin: 0;
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  line-height: 1.1;
  color: var(--teal-400);
  letter-spacing: .01em;
}

.page-faq .faq-stats__unit {
  font-size: .58em;
  margin-left: 4px;
  color: var(--teal-300);
}

.page-faq .faq-stats__label {
  margin: 8px 0 0;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--text-secondary);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  padding-top: var(--faq-pad);
  padding-bottom: var(--faq-pad);
  align-items: start;
}

.page-faq .faq-rail__inner {
  padding-bottom: 8px;
}

.page-faq .faq-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .1em;
  color: var(--text-muted);
}

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

.page-faq .faq-rail__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 11px 2px;
  border-bottom: 1px solid var(--faq-line);
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-rail__no {
  flex: 0 0 auto;
  font-size: 12px;
  color: var(--teal-400);
}

.page-faq .faq-rail__text {
  flex: 1 1 auto;
}

.page-faq .faq-rail__dot {
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--line-600);
  transition: background .2s var(--ease), box-shadow .2s var(--ease);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  color: var(--text-primary);
  border-bottom-color: var(--teal-400);
}

.page-faq .faq-rail__link:hover .faq-rail__dot,
.page-faq .faq-rail__link:focus-visible .faq-rail__dot {
  background: var(--teal-400);
  box-shadow: 0 0 0 4px rgba(57, 245, 200, .14);
}

.page-faq .faq-rail__note {
  margin: 16px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--text-muted);
}

/* ---------- 问题分组 ---------- */
.page-faq .faq-content {
  min-width: 0;
}

.page-faq .faq-group {
  padding-top: var(--faq-pad);
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-group:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-faq .faq-group + .faq-group {
  margin-top: var(--faq-pad);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 14px;
  row-gap: 10px;
  align-items: baseline;
  margin-bottom: clamp(16px, 2.4vw, 24px);
}

.page-faq .faq-group__no {
  font-size: clamp(1.5rem, 4vw, 2.4rem);
  line-height: 1;
  color: var(--teal-400);
  opacity: .85;
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.4rem, 3.6vw, 2.05rem);
  line-height: 1.2;
  color: var(--text-primary);
}

.page-faq .faq-group__lead {
  grid-column: 1 / -1;
  margin: 0;
  max-width: 64ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-secondary);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-items {
  border-top: 1px solid var(--faq-line);
}

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

.page-faq .faq-item summary {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 34px 15px 0;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  line-height: 1.6;
  font-weight: 600;
  color: var(--text-primary);
  transition: color .2s var(--ease);
}

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

.page-faq .faq-item summary::after {
  content: "";
  position: absolute;
  right: 6px;
  top: 22px;
  width: 9px;
  height: 9px;
  border-right: 1.5px solid var(--teal-400);
  border-bottom: 1.5px solid var(--teal-400);
  transform: rotate(45deg);
  transition: transform .25s var(--ease);
}

.page-faq .faq-item[open] summary {
  color: var(--teal-300);
}

.page-faq .faq-item[open] summary::after {
  transform: rotate(225deg);
}

.page-faq .faq-item summary:hover {
  color: var(--teal-300);
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--teal-400);
  outline-offset: 2px;
}

.page-faq .faq-item__no {
  flex: 0 0 auto;
  padding-top: 2px;
  font-size: 12px;
  color: var(--text-muted);
}

.page-faq .faq-item__q {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-item__a {
  padding: 0 0 18px 30px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-secondary);
  animation: faq-fade .28s var(--ease) both;
}

.page-faq .faq-item__a p {
  margin: 0;
  max-width: 68ch;
}

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

.page-faq .faq-inline-link {
  color: var(--teal-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(57, 245, 200, .4);
}

.page-faq .faq-inline-link:hover,
.page-faq .faq-inline-link:focus-visible {
  color: var(--teal-300);
  border-bottom-color: var(--teal-300);
}

/* ---------- 适配模块 ---------- */
.page-faq .faq-compat {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq .faq-compat__body {
  min-width: 0;
}

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

.page-faq .faq-state {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 12px 14px;
  border: 1px solid var(--faq-line);
  border-left: 2px solid var(--line-600);
  border-radius: var(--radius-sm);
  background: rgba(8, 20, 38, .6);
}

.page-faq .faq-state__badge {
  align-self: center;
  padding: 4px 9px;
  border-radius: 999px;
  font-size: 12px;
  line-height: 1.4;
  white-space: nowrap;
  border: 1px solid currentColor;
}

.page-faq .faq-state__badge--ok {
  color: var(--teal-400);
}

.page-faq .faq-state__badge--partial {
  color: var(--orange-400);
}

.page-faq .faq-state__badge--pending {
  color: var(--text-secondary);
}

.page-faq .faq-state:nth-child(1) { border-left-color: var(--teal-400); }
.page-faq .faq-state:nth-child(2) { border-left-color: var(--orange-500); }
.page-faq .faq-state:nth-child(3) { border-left-color: var(--line-600); }

.page-faq .faq-state__text {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-secondary);
}

.page-faq .faq-compat__media {
  margin: 0;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--space-900);
  box-shadow: var(--shadow);
}

.page-faq .faq-compat__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-faq .faq-compat__caption {
  padding: 10px 14px 12px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--text-muted);
  border-top: 1px solid var(--faq-line);
}

/* ---------- 联系前准备 ---------- */
.page-faq .faq-prepare {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  align-items: start;
}

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

.page-faq .faq-checklist__item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 2px;
  border-bottom: 1px solid var(--faq-line);
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-secondary);
}

.page-faq .faq-checklist__no {
  flex: 0 0 auto;
  font-size: 12px;
  color: var(--orange-400);
}

.page-faq .faq-prepare__tip {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-muted);
}

.page-faq .faq-path-wrap {
  padding: 16px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(14, 32, 56, .55), rgba(5, 10, 20, .2));
}

.page-faq .faq-path {
  display: block;
  width: 100%;
  max-width: 420px;
  height: auto;
  margin: 0 auto;
}

/* ---------- 联系方式 ---------- */
.page-faq .faq-contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--faq-line);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-faq .faq-contact__card {
  padding: 18px 16px 20px;
  background: var(--space-900);
}

.page-faq .faq-contact__label {
  margin: 0 0 8px;
  font-family: var(--font-num);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--text-muted);
}

.page-faq .faq-contact__value {
  margin: 0;
  font-family: var(--font-num);
  font-size: clamp(1rem, 2.4vw, 1.2rem);
  line-height: 1.5;
  color: var(--teal-400);
  word-break: break-word;
}

.page-faq .faq-contact__value--addr {
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 15px;
}

.page-faq .faq-contact__meta {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-secondary);
}

.page-faq .faq-contact__note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-muted);
}

/* ---------- 回顶 ---------- */
.page-faq .faq-top {
  margin: var(--faq-pad) 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-top__link {
  display: inline-block;
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--text-secondary);
  text-decoration: none;
  border-bottom: 1px solid var(--line-600);
  padding-bottom: 3px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-top__link:hover,
.page-faq .faq-top__link:focus-visible {
  color: var(--orange-400);
  border-bottom-color: var(--orange-400);
}

/* ---------- 断点 ---------- */
@media (min-width: 560px) {
  .page-faq .faq-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 768px) {
  .page-faq .faq-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-faq .faq-state {
    grid-template-columns: 150px minmax(0, 1fr);
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    column-gap: clamp(32px, 4vw, 56px);
  }

  .page-faq .faq-rail__inner {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }

  .page-faq .faq-rail__list {
    grid-template-columns: 1fr;
    column-gap: 0;
  }

  .page-faq .faq-compat {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  }

  .page-faq .faq-prepare {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  }

  .page-faq .faq-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-hero h1 {
    max-width: 24ch;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-rail {
    padding-right: 8px;
  }

  .page-faq .faq-item__a {
    padding-left: 34px;
  }
}

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

  .page-faq .faq-hot__link:hover,
  .page-faq .faq-hot__link:focus-visible {
    transform: none;
  }
}
<<<END>>>