.page-faq {
  --faq-rail: 236px;
  --faq-cyan-soft: rgba(0, 229, 208, 0.55);
  --faq-cyan-dim: rgba(0, 229, 208, 0.12);
  padding-bottom: 64px;
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 18px 0 0;
  font-size: 13px;
  color: var(--muted);
}

.page-faq .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.18s var(--ease);
}

.page-faq .breadcrumb a:hover {
  color: var(--cyan);
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: 28px;
  padding-top: 26px;
  padding-bottom: 40px;
}

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

.page-faq .faq-hero h1 {
  margin: 12px 0 16px;
  font-size: clamp(30px, 7vw, 46px);
  line-height: 1.14;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-faq .faq-hero .lead {
  max-width: 62ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  background: rgba(20, 29, 49, 0.6);
  color: var(--text);
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-faq .faq-chip:hover {
  border-color: var(--faq-cyan-soft);
  color: var(--cyan);
  transform: translateY(-2px);
}

.page-faq .faq-chip .mono {
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 0.08em;
}

.page-faq .faq-hero__media {
  position: relative;
  border: 1px solid var(--line);
  background: var(--panel);
  overflow: hidden;
}

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

/* ---------- 主体两栏 ---------- */
.page-faq .faq-shell {
  display: grid;
  gap: 24px;
  align-items: start;
}

/* ---------- 左侧分类导航 ---------- */
.page-faq .faq-nav {
  border: 1px solid var(--line);
  background: rgba(11, 18, 32, 0.82);
  padding: 14px 14px 10px;
}

.page-faq .faq-nav__title {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-faq .faq-nav__list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

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

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

.page-faq .faq-nav__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-left: 2px solid transparent;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-faq .faq-nav__link:hover {
  color: var(--text);
  background: rgba(20, 29, 49, 0.8);
}

.page-faq .faq-nav__link.is-active,
.page-faq .faq-nav__link[aria-current="true"] {
  color: var(--cyan);
  border-left-color: var(--cyan);
  background: linear-gradient(90deg, var(--faq-cyan-dim), transparent);
}

.page-faq .faq-nav__num {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.08em;
}

.page-faq .faq-nav__link.is-active .faq-nav__num,
.page-faq .faq-nav__link[aria-current="true"] .faq-nav__num {
  color: var(--cyan);
}

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

.page-faq .faq-group {
  padding-top: 22px;
  margin-bottom: 38px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 108px;
}

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

.page-faq .faq-group__head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 8px;
}

.page-faq .faq-group__num {
  flex: none;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  border: 1px solid var(--faq-cyan-soft);
  padding: 2px 7px;
  line-height: 1.5;
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(20px, 3.6vw, 26px);
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-faq .faq-group__note {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 单条问答 ---------- */
.page-faq .faq-item {
  margin-bottom: 10px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--line);
  background: var(--panel);
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-faq .faq-item:hover {
  border-color: rgba(36, 49, 70, 1);
  border-left-color: var(--muted);
}

.page-faq .faq-item[open] {
  border-color: rgba(0, 229, 208, 0.35);
  border-left-color: var(--cyan);
  background: var(--glass);
}

.page-faq .faq-item__q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--text);
  transition: color 0.18s var(--ease);
}

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

.page-faq .faq-item[open] .faq-item__q {
  color: var(--cyan);
}

.page-faq .faq-item__num {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-faq .faq-item[open] .faq-item__num {
  color: var(--cyan);
}

.page-faq .faq-item__icon {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
}

.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 2px;
  margin-top: -1px;
  background: var(--muted);
  transition: transform 0.18s var(--ease), background 0.18s var(--ease);
}

.page-faq .faq-item__icon::after {
  transform: rotate(90deg);
}

.page-faq .faq-item[open] .faq-item__icon::before,
.page-faq .faq-item[open] .faq-item__icon::after {
  background: var(--cyan);
}

.page-faq .faq-item[open] .faq-item__icon::after {
  transform: rotate(0deg);
}

.page-faq .faq-item__a {
  padding: 0 18px 18px 42px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

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

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

.page-faq .faq-steps {
  counter-reset: faqstep;
  display: grid;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps li {
  counter-increment: faqstep;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  font-size: 14px;
  line-height: 1.75;
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

/* ---------- 联系区块 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: 20px;
  margin-top: 22px;
  padding: 20px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--orange);
  background: linear-gradient(150deg, rgba(20, 29, 49, 0.95), rgba(11, 18, 32, 0.95));
}

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

.page-faq .faq-contact__title {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-faq .faq-contact__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 3px 12px;
  align-items: center;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line);
}

.page-faq .faq-contact__label {
  grid-column: 1;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-faq .faq-contact__value {
  grid-column: 1;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-faq .faq-contact__row .util-btn {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
}

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

.page-faq .faq-contact__media {
  border: 1px solid var(--line);
  background: var(--ink);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1fr) 200px;
    align-items: start;
    gap: 26px;
    padding: 24px;
  }

  .page-faq .faq-item__a {
    padding-left: 52px;
    padding-right: 24px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 48px;
    align-items: center;
    padding-top: 44px;
    padding-bottom: 60px;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-shell {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: 40px;
  }

  .page-faq .faq-nav {
    position: sticky;
    top: 104px;
    padding: 18px 16px 16px;
  }

  .page-faq .faq-nav__list {
    flex-direction: column;
    gap: 2px;
    padding-bottom: 0;
    overflow: visible;
  }

  .page-faq .faq-nav__link {
    white-space: normal;
    align-items: flex-start;
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1fr) 232px;
  }
}
<<<END>>>