/* ================= 帮助中心页面专属样式 ================= */
.page-faq {
  --faq-hair: rgba(244, 241, 234, 0.14);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-block: 26px 14px;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 26px;
  align-items: end;
}

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

.page-faq .faq-hero h1 {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(30px, 7.4vw, 54px);
  line-height: 1.06;
  letter-spacing: 0.01em;
  margin: 10px 0 16px;
  color: var(--cream);
}

.page-faq .faq-hero .lede {
  margin: 0;
  max-width: 54ch;
  color: var(--ink-dim);
  font-size: 16px;
  line-height: 1.68;
}

.page-faq .faq-hero__media {
  position: relative;
  margin: 0;
  background: linear-gradient(155deg, var(--console), var(--deep) 72%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
  overflow: hidden;
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.05);
}

.page-faq .faq-hero__overlay {
  position: absolute;
  inset: auto 14px 14px 14px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 16px;
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.page-faq .faq-hero__label {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

/* ---------- 主题区 ---------- */
.page-faq .faq-topics {
  padding-block: 46px 74px;
  scroll-margin-top: 120px;
}

.page-faq .faq-head {
  margin-bottom: 28px;
}

.page-faq .faq-head h2 {
  font-family: var(--display);
  font-size: clamp(26px, 4.4vw, 40px);
  font-weight: 800;
  line-height: 1.1;
  margin: 8px 0 10px;
  color: var(--cream);
}

.page-faq .faq-head p {
  margin: 0;
  max-width: 58ch;
  color: var(--ink-dim);
  font-size: 15px;
  line-height: 1.66;
}

.page-faq .faq-body {
  display: grid;
  gap: 20px;
}

.page-faq .faq-tabs {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 6px;
  -webkit-overflow-scrolling: touch;
}

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

.page-faq .faq-tabs::-webkit-scrollbar-thumb {
  background: var(--rock);
  border-radius: 4px;
}

.page-faq .faq-tabs .tab {
  flex: 0 0 auto;
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--console);
  color: var(--ink-dim);
  font-family: var(--body);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
  cursor: pointer;
  transition: color var(--t-fast), background var(--t-fast), border-color var(--t-fast);
}

.page-faq .faq-tabs .tab:hover {
  color: var(--ink);
  border-color: var(--line-strong);
}

.page-faq .faq-tabs .tab[aria-selected="true"] {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--deep);
  font-weight: 700;
}

.page-faq .faq-tabs .tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 面板 ---------- */
.page-faq .faq-panels {
  min-width: 0;
}

.page-faq .tab-panel[hidden] {
  display: none;
}

.page-faq .tab-panel {
  animation: faqPanelIn 0.24s ease both;
}

@keyframes faqPanelIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-faq .faq-panel__lead {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 20px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--clay);
  border-radius: var(--radius);
  background: var(--glass);
}

.page-faq .faq-panel__lead p {
  margin: 0;
  min-width: 0;
  font-size: 14px;
  line-height: 1.66;
  color: var(--ink-dim);
}

.page-faq .faq-panel__figure {
  flex: 0 0 88px;
  margin: 0;
}

.page-faq .faq-panel__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 10px;
}

/* ---------- 问答列表 ---------- */
.page-faq .faq-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--console);
  transition: border-color var(--t-fast), background var(--t-fast);
}

.page-faq .faq-item[open] {
  border-color: rgba(255, 122, 26, 0.45);
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--body);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
  transition: color var(--t-fast);
}

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

.page-faq .faq-item > summary:hover {
  color: var(--orange-soft);
}

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
  border-radius: var(--radius);
}

.page-faq .faq-item > summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: 20px;
  font-weight: 600;
  line-height: 1;
  color: var(--orange);
  transition: transform var(--t-mid), color var(--t-fast);
}

.page-faq .faq-item[open] > summary::after {
  transform: rotate(135deg);
  color: var(--cyan);
}

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

.page-faq .faq-a {
  padding: 0 18px 18px;
}

.page-faq .faq-a p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-dim);
}

.page-faq .faq-a p + p {
  margin-top: 10px;
}

.page-faq .faq-num {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 1.06em;
  color: var(--cyan);
  padding: 0 2px;
}

/* ---------- 相关页面迷你卡片 ---------- */
.page-faq .faq-link {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 10px;
  margin-top: 14px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  border-radius: 10px;
  background: rgba(255, 122, 26, 0.07);
  color: var(--ink);
  text-decoration: none;
  font-size: 14px;
  transition: background var(--t-fast), transform var(--t-fast), border-color var(--t-fast);
}

.page-faq .faq-link strong {
  font-weight: 600;
}

.page-faq .faq-link span {
  font-size: 13px;
  color: var(--ink-soft);
}

.page-faq .faq-link:hover {
  background: rgba(255, 122, 26, 0.15);
  border-color: var(--line-strong);
  transform: translateX(2px);
}

.page-faq .faq-link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .faq-link--wide {
  display: flex;
  width: 100%;
  margin-top: 18px;
  justify-content: space-between;
}

/* ---------- 联系信息 ---------- */
.page-faq .faq-contact-list {
  margin: 0;
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: var(--line);
}

.page-faq .faq-contact-row {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  background: var(--console);
}

.page-faq .faq-contact-row dt {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}

.page-faq .faq-contact-row dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.62;
  color: var(--ink);
  overflow-wrap: break-word;
  word-break: break-word;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 5.4fr) minmax(0, 6.6fr);
    gap: 42px;
    align-items: center;
  }

  .page-faq .faq-panel__lead {
    padding: 18px 20px;
    gap: 22px;
  }

  .page-faq .faq-panel__figure {
    flex: 0 0 120px;
  }

  .page-faq .faq-contact-row {
    grid-template-columns: 104px minmax(0, 1fr);
    align-items: start;
    gap: 16px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body {
    grid-template-columns: minmax(190px, 232px) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-faq .faq-tabs {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 8px;
    overflow: visible;
    padding-bottom: 0;
    position: sticky;
    top: 118px;
  }

  .page-faq .faq-tabs .tab {
    width: 100%;
    text-align: left;
    border-radius: 12px;
    white-space: normal;
  }

  .page-faq .faq-item > summary {
    font-size: 17px;
    padding: 18px 22px;
  }

  .page-faq .faq-a {
    padding: 0 22px 20px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-hero {
    padding-block: 40px 18px;
  }

  .page-faq .faq-panel__lead {
    padding: 22px 24px;
  }

  .page-faq .faq-panel__figure {
    flex: 0 0 148px;
  }
}

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

  .page-faq .faq-item > summary::after {
    transition: none;
  }

  .page-faq .faq-link:hover {
    transform: none;
  }
}
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