.page-faq {
  --faq-section-gap: clamp(44px, 6vw, 80px);
  --faq-radius: var(--r-md);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: calc(var(--header-h) + 52px) 0 clamp(32px, 5vw, 56px);
  background:
    radial-gradient(115% 85% at 10% -14%, rgba(47, 224, 240, 0.15), transparent 62%),
    radial-gradient(85% 70% at 94% -4%, rgba(255, 107, 44, 0.10), transparent 58%),
    var(--bg);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(42, 58, 92, 0.6) 1px, transparent 1px);
  background-size: 34px 34px;
  opacity: 0.45;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 88%);
  mask-image: linear-gradient(to bottom, #000 0%, transparent 88%);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .breadcrumbs__sep {
  margin: 0 8px;
  color: var(--line);
}

.page-faq .faq-hero .eyebrow {
  margin-top: clamp(26px, 4vw, 42px);
}

.page-faq .faq-hero h1 {
  margin: 16px 0 0;
  max-width: 18em;
}

.page-faq .faq-hero .lede {
  margin-top: 20px;
  max-width: 60ch;
}

/* ---------- 本地搜索 ---------- */
.page-faq .faq-search {
  margin-top: clamp(30px, 4vw, 46px);
  max-width: 700px;
  padding: 22px 22px 18px;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: rgba(11, 19, 38, 0.86);
  box-shadow: inset 0 1px 0 rgba(143, 244, 255, 0.06), 0 26px 56px -32px rgba(0, 0, 0, 0.95);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.page-faq .faq-search__label {
  display: block;
  margin-bottom: 12px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-2);
}

.page-faq .faq-search__field {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 56px;
  padding: 0 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--raise);
  transition: border-color 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.page-faq .faq-search__field:focus-within {
  border-color: var(--cold);
  box-shadow: 0 0 0 4px rgba(47, 224, 240, 0.14);
}

.page-faq .faq-search__icon {
  flex: none;
  width: 18px;
  height: 18px;
  color: var(--cold);
}

.page-faq .faq-search__input {
  flex: 1;
  min-width: 0;
  height: 100%;
  border: 0;
  outline: none;
  background: transparent;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
}

.page-faq .faq-search__input::placeholder {
  color: var(--ink-2);
  opacity: 0.75;
}

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

.page-faq .faq-search__hint {
  margin: 12px 4px 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-2);
}

/* ---------- 界面示意图 ---------- */
.page-faq .faq-shot {
  margin-top: clamp(34px, 5vw, 62px);
}

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

/* ---------- 双栏骨架 ---------- */
.page-faq .faq-layout {
  display: block;
  margin-top: clamp(46px, 6vw, 88px);
  padding-bottom: clamp(56px, 8vw, 110px);
}

/* ---------- 目录 ---------- */
.page-faq .faq-toc {
  margin-bottom: 38px;
}

.page-faq .faq-toc__title {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ink-2);
  text-transform: uppercase;
}

.page-faq .faq-toc__list {
  display: flex;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-toc__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  color: var(--ink-2);
  font-size: 14px;
  white-space: nowrap;
  text-decoration: none;
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-faq .faq-toc__link:hover {
  color: var(--ink);
  border-color: var(--cold);
}

.page-faq .faq-toc__link.is-active {
  color: var(--cold);
  border-color: rgba(47, 224, 240, 0.55);
  background: rgba(47, 224, 240, 0.10);
}

.page-faq .faq-toc__num {
  font-size: 11px;
  color: inherit;
  opacity: 0.7;
}

.page-faq .faq-toc__foot {
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-toc__note {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-2);
}

/* ---------- 章节 ---------- */
.page-faq .faq-section {
  padding-top: var(--faq-section-gap);
  scroll-margin-top: calc(var(--header-h) + 26px);
}

.page-faq .faq-body > .faq-section:first-child {
  padding-top: 0;
}

.page-faq .faq-section__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 14px;
  align-items: baseline;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-section__num {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cold);
}

.page-faq .faq-section__head .h2 {
  margin: 0;
}

.page-faq .faq-section__desc {
  grid-column: 2;
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-2);
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 2px;
}

.page-faq .faq-item {
  border-bottom: 1px solid rgba(42, 58, 92, 0.55);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 22px 4px;
  cursor: pointer;
  list-style: none;
  transition: background 0.24s var(--ease);
}

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

.page-faq .faq-item__q::marker {
  content: "";
}

.page-faq .faq-item__q:hover {
  background: linear-gradient(90deg, rgba(47, 224, 240, 0.06), transparent 70%);
}

.page-faq .faq-item__idx {
  flex: none;
  min-width: 30px;
  padding-top: 1px;
  font-size: 13px;
  line-height: 1.9;
  color: var(--cold);
}

.page-faq .faq-item__title {
  flex: 1;
  min-width: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.9;
  color: var(--ink);
  letter-spacing: -0.01em;
  transition: color 0.22s var(--ease);
}

.page-faq .faq-item__q:hover .faq-item__title {
  color: var(--cold);
}

.page-faq .faq-item__mark {
  position: relative;
  flex: none;
  width: 24px;
  height: 24px;
  margin-top: 7px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink-2);
  transition: border-color 0.24s var(--ease), background 0.24s var(--ease);
}

.page-faq .faq-item__mark::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 46%;
  width: 7px;
  height: 7px;
  border-right: 1.6px solid currentColor;
  border-bottom: 1.6px solid currentColor;
  transform: translate(-50%, -50%) rotate(45deg);
  transition: transform 0.26s var(--ease);
}

.page-faq .faq-item[open] .faq-item__mark {
  border-color: var(--cold);
  background: rgba(47, 224, 240, 0.10);
  color: var(--cold);
}

.page-faq .faq-item[open] .faq-item__mark::before {
  transform: translate(-50%, -50%) rotate(-135deg);
}

.page-faq .faq-item__a {
  padding: 0 4px 28px 44px;
}

.page-faq .faq-item__a p {
  margin: 0 0 14px;
  font-size: 17px;
  line-height: 1.9;
  color: var(--ink-2);
}

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

.page-faq .faq-item__a strong {
  color: var(--ink);
  font-weight: 700;
}

.page-faq .faq-inline-link {
  color: var(--cold);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 224, 240, 0.4);
  transition: border-color 0.22s var(--ease);
}

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

/* ---------- 步骤编号 ---------- */
.page-faq .faq-steps {
  margin: 18px 0 4px;
  padding: 0;
  list-style: none;
  counter-reset: faqstep;
}

.page-faq .faq-steps li {
  position: relative;
  padding-left: 44px;
  margin-bottom: 16px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-2);
}

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

.page-faq .faq-steps li::before {
  counter-increment: faqstep;
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--panel);
  font-family: var(--mono);
  font-size: 11px;
  color: var(--cold);
}

.page-faq .faq-steps li::after {
  content: "";
  position: absolute;
  left: 14px;
  top: 33px;
  width: 1px;
  height: calc(100% - 17px);
  background: linear-gradient(to bottom, var(--line), transparent);
}

.page-faq .faq-steps li:last-child::after {
  display: none;
}

/* ---------- 节点示意图 ---------- */
.page-faq .faq-node {
  margin: 26px 0 30px;
}

.page-faq .faq-node figcaption {
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-2);
}

/* ---------- 联系与反馈 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: 14px;
  margin-top: 32px;
  padding: 24px 22px;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: var(--panel);
  box-shadow: inset 0 1px 0 rgba(143, 244, 255, 0.05);
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
}

.page-faq .faq-contact__label {
  flex: none;
  width: 76px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ink-2);
}

.page-faq .faq-contact__value {
  flex: 1 1 220px;
  min-width: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
  word-break: break-word;
}

.page-faq .faq-copy {
  margin-left: auto;
  padding: 7px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--ink-2);
  font-family: var(--sans);
  font-size: 13px;
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-copy:hover {
  color: var(--cold);
  border-color: var(--cold);
  background: rgba(47, 224, 240, 0.08);
}

.page-faq .faq-contact__note {
  margin: 4px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-2);
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-item__a {
    padding-right: 48px;
  }

  .page-faq .faq-contact {
    padding: 28px 30px;
  }
}

/* ---------- 桌面：固定目录 + 正文双栏 ---------- */
@media (min-width: 1000px) {
  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(40px, 5vw, 76px);
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: calc(var(--header-h) + 30px);
    margin-bottom: 0;
    max-height: calc(100vh - var(--header-h) - 60px);
    overflow-y: auto;
    padding-right: 4px;
  }

  .page-faq .faq-toc__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
    margin-top: 16px;
  }

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

  .page-faq .faq-toc__link {
    padding: 11px 14px;
    border-color: transparent;
    border-radius: var(--r-sm);
    background: transparent;
    white-space: normal;
    line-height: 1.5;
  }

  .page-faq .faq-toc__link.is-active {
    border-color: rgba(47, 224, 240, 0.35);
    background: rgba(47, 224, 240, 0.09);
  }
}

@media (min-width: 1240px) {
  .page-faq .faq-layout {
    grid-template-columns: 260px minmax(0, 1fr);
  }

  .page-faq .faq-item__a {
    padding-right: 96px;
  }
}
<<<END>>>