.page-faq {
  position: relative;
  padding: 2rem 0 4.5rem;
  overflow: clip;
}

/* ------------------------------ 面包屑 ------------------------------ */
.page-faq .breadcrumb {
  margin-bottom: 1.5rem;
}

.page-faq .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--cid-gray);
}

.page-faq .breadcrumb__item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.page-faq .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  color: var(--cid-silver);
}

.page-faq .breadcrumb__link {
  color: var(--cid-gray);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-faq .breadcrumb__link:hover {
  color: var(--cid-clay);
}

/* ------------------------------ 页头区 ------------------------------ */
.page-faq .faq-intro {
  padding: 1.5rem 0 1.75rem;
  border-bottom: 1px solid var(--cid-silver);
  position: relative;
}

.page-faq .faq-intro .eyebrow {
  font-family: var(--font-data);
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cid-clay);
  margin: 0 0 0.75rem;
}

.page-faq .faq-intro h1 {
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(1.8rem, 4.5vw, 2.6rem);
  line-height: 1.22;
  color: var(--cid-ink);
  margin: 0 0 1rem;
  max-width: 60rem;
}

.page-faq .faq-intro .lead {
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--cid-ink);
  max-width: 48rem;
  margin: 0 0 1.5rem;
}

/* ------------------------------ 搜索框 ------------------------------ */
.page-faq .faq-search {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  max-width: 36rem;
  background: var(--cid-glass);
  border: 1px solid var(--cid-silver);
  border-radius: var(--radius);
  padding: 0.625rem 0.875rem;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.page-faq .faq-search:focus-within {
  border-color: var(--cid-clay);
  box-shadow: 0 0 0 3px rgba(196, 87, 58, 0.18);
}

.page-faq .faq-search__label {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--cid-moss);
  white-space: nowrap;
}

.page-faq .faq-search__input {
  flex: 1 1 160px;
  min-width: 0;
  border: 0;
  background: transparent;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--cid-ink);
  outline: none;
}

.page-faq .faq-search__kbd {
  font-family: var(--font-data);
  font-size: 0.6875rem;
  color: var(--cid-gray);
  border: 1px solid var(--cid-silver);
  border-radius: 4px;
  padding: 0.125rem 0.375rem;
  background: var(--cid-bg);
  white-space: nowrap;
}

/* ------------------------------ 轨迹线 ------------------------------ */
.page-faq .track-line {
  height: 4px;
  margin: 0;
  background: linear-gradient(100deg,
    var(--cid-moss) 0%, var(--cid-moss) 22%,
    var(--cid-orange) 22%, var(--cid-orange) 26%,
    var(--cid-clay) 26%, var(--cid-clay) 34%,
    var(--cid-silver) 34%, var(--cid-silver) 100%);
  opacity: 0.65;
}

/* ------------------------------ 分屏骨架 ------------------------------ */
.page-faq .faq-split {
  display: block;
  margin-top: 2.25rem;
  gap: 2rem;
}

/* ------------------------------ 侧边目录 ------------------------------ */
.page-faq .faq-aside__card {
  background: var(--cid-card);
  border: 1px solid rgba(61, 122, 88, 0.25);
  border-radius: var(--radius);
  padding: 1.25rem 1.25rem 1.5rem;
  margin-bottom: 1rem;
}

.page-faq .faq-aside__title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--cid-ink);
  margin: 0 0 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(31, 61, 46, 0.14);
}

.page-faq .faq-aside__list {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-faq .faq-aside__link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.5rem 0.875rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(61, 122, 88, 0.22);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--cid-moss);
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.page-faq .faq-aside__link:hover {
  background: var(--cid-moss);
  color: #ffffff;
  transform: translateY(-2px);
}

.page-faq .faq-aside__num {
  font-family: var(--font-data);
  font-size: 0.75rem;
  color: var(--cid-clay);
  transition: color 0.2s ease;
}

.page-faq .faq-aside__link:hover .faq-aside__num {
  color: #ffffff;
}

.page-faq .faq-aside__subtitle {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cid-gray);
  margin: 0 0 0.625rem;
}

.page-faq .faq-aside__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}

.page-faq .faq-aside__chips .chip {
  background: var(--cid-bg);
  border: 1px solid var(--cid-silver);
  color: var(--cid-ink);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  padding: 0.25rem 0.625rem;
  border-radius: 999px;
}

.page-faq .faq-aside__status {
  background: var(--cid-ink);
  color: var(--cid-bg);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.page-faq .faq-aside__status-label {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(245, 240, 230, 0.65);
  margin: 0 0 0.625rem;
}

.page-faq .faq-aside__status-line {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  color: #ffffff;
}

.page-faq .site-status__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cid-orange);
  animation: pageFaqPulse 1.8s ease-in-out infinite;
  flex: none;
}

@keyframes pageFaqPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.25); }
}

.page-faq .faq-aside__status-meta {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  line-height: 1.6;
  color: rgba(245, 240, 230, 0.72);
  margin: 0;
}

/* ------------------------------ 章节组 ------------------------------ */
.page-faq .faq-group {
  margin-bottom: 3rem;
  scroll-margin-top: 2rem;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.875rem;
  border-bottom: 2px solid var(--cid-silver);
  position: relative;
}

.page-faq .faq-group__head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 64px;
  height: 2px;
  background: var(--cid-orange);
}

.page-faq .faq-group__head .chapter__num {
  font-family: var(--font-data);
  font-size: 2rem;
  line-height: 1;
  font-weight: 700;
  color: var(--cid-clay);
  margin: 0;
}

.page-faq .faq-group__head .section-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1.3;
  color: var(--cid-ink);
  margin: 0 0 0.25rem;
}

.page-faq .faq-group__desc {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--cid-gray);
  margin: 0;
}

/* ------------------------------ 手风琴条目 ------------------------------ */
.page-faq .faq-item {
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--cid-silver);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  overflow: hidden;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.page-faq .faq-item:hover {
  border-color: rgba(61, 122, 88, 0.35);
}

.page-faq .faq-item[open] {
  border-color: rgba(61, 122, 88, 0.55);
  box-shadow: 0 14px 28px -26px rgba(31, 61, 46, 0.45);
}

.page-faq .faq-item__question {
  list-style: none;
  cursor: pointer;
  padding: 1rem 1.125rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  color: var(--cid-ink);
  transition: color 0.2s ease;
}

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

.page-faq .faq-item__question::after {
  content: "+";
  font-family: var(--font-data);
  font-size: 1.375rem;
  font-weight: 400;
  color: var(--cid-moss);
  transition: transform 0.3s ease, color 0.25s ease;
  flex: none;
}

.page-faq .faq-item[open] .faq-item__question::after {
  content: "−";
  color: var(--cid-clay);
}

.page-faq .faq-item__question:hover {
  color: var(--cid-moss);
}

.page-faq .faq-item__answer {
  padding: 0 1.125rem 1.125rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--cid-ink);
}

.page-faq .faq-item[open] .faq-item__answer {
  animation: pageFaqReveal 0.35s ease;
}

@keyframes pageFaqReveal {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-faq .faq-item__answer p {
  margin: 0 0 0.75rem;
}

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

.page-faq .faq-item__answer a {
  color: var(--cid-clay);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s ease;
}

.page-faq .faq-item__answer a:hover {
  color: var(--cid-orange);
}

/* ------------------------------ 配图 ------------------------------ */
.page-faq .faq-media {
  margin: 1.5rem 0 0;
  padding: 0;
}

.page-faq .faq-media__img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--cid-silver);
  object-fit: cover;
}

.page-faq .media__caption {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: var(--cid-gray);
  margin-top: 0.5rem;
}

.page-faq .faq-media--full .faq-media__img {
  width: 100%;
  max-width: 600px;
}

/* ------------------------------ 联系支持卡片 ------------------------------ */
.page-faq .faq-support {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.75rem;
  align-items: center;
  padding: 1.25rem;
  background: var(--cid-sand);
  border-radius: var(--radius);
  border: 1px solid rgba(196, 87, 58, 0.2);
}

.page-faq .faq-support__card {
  padding: 0.75rem;
  background: rgba(255, 255, 255, 0.6);
  border-radius: var(--radius);
}

.page-faq .faq-support__label {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--cid-gray);
  margin: 0 0 0.25rem;
}

.page-faq .faq-support__value {
  font-family: var(--font-data);
  font-size: 1rem;
  font-weight: 600;
  color: var(--cid-ink);
  margin: 0;
  word-break: break-all;
}

.page-faq .faq-support__cta {
  justify-self: start;
  margin-top: 0.75rem;
}

.page-faq .button--primary {
  display: inline-block;
  background: var(--cid-moss);
  border: 1px solid var(--cid-moss);
  color: #ffffff;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.9375rem;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius);
  text-decoration: none;
  transition: background 0.2s ease, transform 0.2s ease;
}

.page-faq .button--primary:hover {
  background: var(--cid-ink);
  border-color: var(--cid-ink);
  transform: translateY(-2px);
}

/* ------------------------------ 桌面端 ------------------------------ */
@media (min-width: 960px) {
  .page-faq {
    padding: 2.5rem 0 5rem;
  }

  .page-faq .faq-intro h1 {
    max-width: 64rem;
  }

  .page-faq .faq-split {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-aside {
    position: sticky;
    top: 2rem;
  }

  .page-faq .faq-aside__list {
    flex-direction: column;
    gap: 0.375rem;
  }

  .page-faq .faq-aside__link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-radius: var(--radius);
    padding: 0.6875rem 0.875rem;
  }

  .page-faq .faq-aside__link:hover {
    transform: translateY(-2px);
  }

  .page-faq .faq-group__head {
    margin-bottom: 1.5rem;
  }

  .page-faq .faq-group__head .chapter__num {
    font-size: 2.5rem;
  }

  .page-faq .faq-group__head .section-title {
    font-size: 1.625rem;
  }

  .page-faq .faq-item__question {
    font-size: 1.0625rem;
    padding: 1.125rem 1.25rem;
  }

  .page-faq .faq-item__answer {
    padding: 0 1.25rem 1.25rem;
    font-size: 0.9375rem;
  }

  .page-faq .faq-media--full {
    display: grid;
    grid-template-columns: 600px minmax(0, 1fr);
    gap: 1.5rem;
    align-items: center;
  }

  .page-faq .faq-media--full .faq-media__img {
    max-width: 600px;
  }

  .page-faq .faq-media--full .media__caption {
    margin-top: 0;
  }

  .page-faq .faq-support {
    grid-template-columns: 1fr 1fr 1fr auto;
  }

  .page-faq .faq-support__cta {
    margin-top: 0;
    justify-self: stretch;
    text-align: center;
  }
}