.page-faq {
  --faq-radius: 0.75rem;
  background: var(--hh-fog);
  color: var(--hh-ink);
}

/* ===== Hero 首屏 ===== */
.page-faq .faq-hero {
  background: var(--hh-blue);
  color: var(--hh-white);
  padding-top: 2rem;
  padding-bottom: 0;
  overflow: hidden;
}

.page-faq .faq-hero .hh-breadcrumb-link,
.page-faq .faq-hero .hh-breadcrumb-current {
  color: rgba(255, 255, 255, 0.75);
}

.page-faq .faq-hero .hh-breadcrumb-link:hover {
  color: var(--hh-green);
}

.page-faq .faq-hero .hh-breadcrumb-item {
  color: rgba(255, 255, 255, 0.4);
}

.page-faq .faq-hero .hh-page-index {
  color: var(--hh-orange);
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: 2rem;
  padding: 1rem 0 3rem;
}

.page-faq .faq-hero-title {
  color: var(--hh-white);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

.page-faq .faq-hero-desc {
  color: rgba(255, 255, 255, 0.82);
  max-width: 38rem;
}

.page-faq .faq-hero-figure {
  margin: 0;
  border-radius: var(--faq-radius);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.28);
}

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

/* ===== 主体布局 ===== */
.page-faq .faq-layout {
  display: grid;
  gap: 2.5rem;
  padding: 2.5rem 0 4.5rem;
}

.page-faq .faq-main {
  min-width: 0;
  order: 1;
}

.page-faq .faq-sidebar {
  display: grid;
  gap: 1.25rem;
  align-content: start;
  order: 2;
}

/* ===== 侧边栏目录卡片 ===== */
.page-faq .faq-toc-card,
.page-faq .faq-need-card {
  background: var(--hh-white);
  border: 1px solid var(--hh-edge);
  border-radius: var(--faq-radius);
  padding: 1.5rem;
  box-shadow: 0 2px 10px rgba(13, 27, 42, 0.05);
}

.page-faq .faq-toc-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--hh-blue);
  margin: 0.75rem 0 0;
}

.page-faq .faq-toc-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-faq .faq-toc-list a {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  background: var(--hh-fog);
  border: 1px solid var(--hh-edge);
  border-radius: 999px;
  padding: 0.375rem 0.875rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--hh-ink);
  text-decoration: none;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.page-faq .faq-toc-list a span {
  font-family: var(--hh-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--hh-orange);
}

.page-faq .faq-toc-list a:hover {
  background: var(--hh-white);
  border-color: var(--hh-orange);
  color: var(--hh-orange);
}

.page-faq .faq-need-card {
  background: var(--hh-blue);
  border-color: transparent;
  color: var(--hh-white);
}

.page-faq .faq-need-card .hh-tag {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--hh-green);
}

.page-faq .faq-need-title {
  font-size: 1.125rem;
  font-weight: 700;
  margin: 1rem 0 0.375rem;
  color: var(--hh-white);
}

.page-faq .faq-need-text {
  font-size: 0.9rem;
  line-height: 1.6;
  margin: 0 0 1.25rem;
  color: rgba(255, 255, 255, 0.75);
}

.page-faq .faq-need-card .hh-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin-bottom: 0.625rem;
  box-sizing: border-box;
}

.page-faq .faq-need-card .hh-btn:last-child {
  margin-bottom: 0;
}

/* ===== 搜索区 ===== */
.page-faq .faq-search {
  background: var(--hh-white);
  border: 1px solid var(--hh-edge);
  border-radius: var(--faq-radius);
  padding: 1.5rem;
  box-shadow: 0 2px 10px rgba(13, 27, 42, 0.05);
}

.page-faq .faq-search-box {
  display: grid;
  gap: 0.5rem;
}

.page-faq .faq-search-box label {
  font-family: var(--hh-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--hh-blue);
}

.page-faq .faq-search-input {
  width: 100%;
  box-sizing: border-box;
  border: 2px solid var(--hh-edge);
  border-radius: 0.5rem;
  background: var(--hh-fog);
  padding: 0.8125rem 1rem;
  font: 400 1rem/1.5 var(--hh-sans);
  color: var(--hh-ink);
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.page-faq .faq-search-input::placeholder {
  color: #8a9ba6;
}

.page-faq .faq-search-input:focus {
  outline: none;
  border-color: var(--hh-green);
  background: var(--hh-white);
  box-shadow: 0 0 0 3px rgba(57, 255, 20, 0.18);
}

.page-faq .faq-search-hint {
  font-size: 0.8125rem;
  color: var(--hh-gray);
  line-height: 1.5;
}

.page-faq .faq-search-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.625rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--hh-edge);
}

.page-faq .faq-search-tags-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--hh-gray);
}

.page-faq .faq-search-tags a {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  background: var(--hh-fog);
  border: 1px solid var(--hh-edge);
  border-radius: 999px;
  padding: 0.375rem 0.875rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--hh-blue);
  text-decoration: none;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.page-faq .faq-search-tags a:hover {
  background: var(--hh-orange);
  border-color: var(--hh-orange);
  color: var(--hh-white);
}

/* ===== 问题分组 ===== */
.page-faq .faq-group {
  margin-top: 3rem;
  scroll-margin-top: 6.5rem;
}

.page-faq .faq-group-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.125rem 1rem;
  align-items: center;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--hh-blue);
}

.page-faq .faq-group-index {
  font-family: var(--hh-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--hh-orange);
  background: rgba(255, 127, 17, 0.12);
  border-radius: 999px;
  padding: 0.3125rem 0.75rem;
  grid-row: span 2;
}

.page-faq .faq-group-title {
  font-family: var(--hh-sans);
  font-size: 1.375rem;
  font-weight: 700;
  line-height: 1.3;
  margin: 0;
  color: var(--hh-blue);
}

.page-faq .faq-group-desc {
  grid-column: 2;
  margin: 0;
  font-size: 0.875rem;
  color: var(--hh-gray);
}

/* ===== 手风琴条目 ===== */
.page-faq .faq-item {
  position: relative;
  background: var(--hh-white);
  border: 1px solid var(--hh-edge);
  border-radius: var(--faq-radius);
  margin-bottom: 0.75rem;
  overflow: hidden;
  scroll-margin-top: 6.5rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-faq .faq-item:hover {
  border-color: #b3c7c9;
  box-shadow: 0 6px 18px rgba(13, 27, 42, 0.08);
}

.page-faq .faq-item:target {
  border-color: var(--hh-orange);
  box-shadow: 0 0 0 3px rgba(255, 127, 17, 0.14);
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0.25rem;
  background: var(--hh-orange);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.2s ease;
  z-index: 1;
}

.page-faq .faq-item:has(.faq-input:checked)::before {
  transform: scaleY(1);
}

.page-faq .faq-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-faq .faq-q {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1rem;
  align-items: center;
  padding: 1.125rem 1.5rem;
  cursor: pointer;
  transition: background 0.2s ease;
}

.page-faq .faq-q:hover {
  background: var(--hh-fog);
}

.page-faq .faq-q-code {
  font-family: var(--hh-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: #1c7c12;
  background: rgba(57, 255, 20, 0.14);
  border-radius: 0.375rem;
  padding: 0.25rem 0.625rem;
}

.page-faq .faq-q-text {
  font-weight: 600;
  line-height: 1.4;
  color: var(--hh-ink);
}

.page-faq .faq-q-icon {
  position: relative;
  flex-shrink: 0;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  background: var(--hh-fog);
  border: 1px solid var(--hh-edge);
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.page-faq .faq-q-icon::before,
.page-faq .faq-q-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--hh-blue);
  border-radius: 2px;
  transition: background 0.2s ease, transform 0.2s ease;
}

.page-faq .faq-q-icon::before {
  width: 0.75rem;
  height: 2px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-q-icon::after {
  width: 2px;
  height: 0.75rem;
  transform: translate(-50%, -50%);
}

.page-faq .faq-input:checked ~ .faq-q .faq-q-icon {
  background: var(--hh-orange);
  border-color: var(--hh-orange);
  transform: rotate(180deg);
}

.page-faq .faq-input:checked ~ .faq-q .faq-q-icon::before {
  background: var(--hh-white);
}

.page-faq .faq-input:checked ~ .faq-q .faq-q-icon::after {
  background: var(--hh-white);
  transform: translate(-50%, -50%) scaleY(0);
}

.page-faq .faq-input:focus-visible ~ .faq-q {
  outline: 2px solid var(--hh-green);
  outline-offset: -2px;
  border-radius: var(--faq-radius);
}

.page-faq .faq-a {
  display: grid;
  grid-template-rows: 0fr;
  padding: 0 1.5rem;
  transition: grid-template-rows 0.2s ease;
}

.page-faq .faq-a-inner {
  overflow: hidden;
  min-height: 0;
}

.page-faq .faq-a-inner p {
  margin: 0;
  padding: 1rem 0 1.25rem;
  color: var(--hh-gray);
  line-height: 1.7;
  border-top: 1px dashed var(--hh-edge);
}

.page-faq .faq-a-inner a {
  color: var(--hh-orange);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.page-faq .faq-input:checked ~ .faq-a {
  grid-template-rows: 1fr;
}

/* ===== 平板版图文 ===== */
.page-faq .faq-tablet-wrap {
  display: grid;
  gap: 1.5rem;
  align-items: start;
}

.page-faq .faq-tablet-figure {
  margin: 0;
  border-radius: var(--faq-radius);
  overflow: hidden;
  background: var(--hh-blue);
  box-shadow: 0 8px 24px rgba(13, 27, 42, 0.18);
}

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

.page-faq .faq-tablet-figure figcaption {
  padding: 0.75rem 1rem;
  font-family: var(--hh-mono);
  font-size: 0.8125rem;
  color: var(--hh-white);
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

/* ===== 支持卡片 ===== */
.page-faq .faq-support-card {
  display: grid;
  gap: 1.25rem;
  background: var(--hh-blue);
  border-radius: var(--faq-radius);
  padding: 1.75rem;
  margin-top: 2.5rem;
  color: var(--hh-white);
}

.page-faq .faq-support-card-title {
  font-size: 1.125rem;
  font-weight: 700;
  margin: 0 0 0.375rem;
  color: var(--hh-white);
}

.page-faq .faq-support-card-text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.75);
}

.page-faq .faq-support-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ===== 桌面端适配 ===== */
@media (min-width: 48rem) {
  .page-faq .faq-tablet-wrap {
    grid-template-columns: minmax(0, 1fr) 18rem;
    gap: 2rem;
  }

  .page-faq .faq-support-card {
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 2rem;
  }
}

@media (min-width: 64rem) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    align-items: end;
    gap: 3rem;
    padding: 2rem 0 4rem;
  }

  .page-faq .faq-hero-figure img {
    aspect-ratio: 1200 / 300;
  }

  .page-faq .faq-layout {
    grid-template-columns: 16rem minmax(0, 1fr);
    gap: 3rem;
    padding: 3.25rem 0 5.5rem;
  }

  .page-faq .faq-main {
    order: 2;
  }

  .page-faq .faq-sidebar {
    order: 1;
    position: sticky;
    top: 6.5rem;
  }

  .page-faq .faq-toc-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
  }

  .page-faq .faq-toc-list a {
    background: transparent;
    border: 2px solid transparent;
    border-left: 2px solid transparent;
    border-radius: 0.375rem;
    padding: 0.5rem 0.75rem;
  }

  .page-faq .faq-toc-list a:hover {
    background: var(--hh-fog);
    border-left-color: var(--hh-orange);
    color: var(--hh-blue);
  }
}