.page-faq {
  --faq-line: var(--grid-gray);
  --faq-card: #ffffff;
  --faq-mute: var(--tag-gray);
  --faq-gap: 22px;
  background: var(--paper);
  color: var(--kiwi-seed);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: calc(var(--header-h) + 40px) 0 44px;
  background:
    linear-gradient(180deg, rgba(199, 238, 155, 0.9) 0%, rgba(199, 238, 155, 0.25) 46%, rgba(246, 248, 242, 0) 82%),
    var(--paper);
  border-bottom: var(--hairline);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-gray) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-gray) 1px, transparent 1px);
  background-size: 36px 36px;
  opacity: 0.34;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 72%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 72%);
  pointer-events: none;
}

.page-faq .faq-hero-grid {
  position: relative;
  display: grid;
  gap: 34px;
  align-items: center;
}

.page-faq .faq-hero-copy .breadcrumb {
  margin-bottom: 20px;
}

.page-faq .faq-h1 {
  margin: 10px 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 8.4vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  transform: skewX(-1.2deg);
  transform-origin: left bottom;
  color: var(--kiwi-seed);
}

.page-faq .faq-lead {
  max-width: 40ch;
  font-size: 17px;
  line-height: 1.75;
  color: #2b3b32;
}

/* 搜索 */
.page-faq .faq-search {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 24px;
  max-width: 460px;
  padding: 0 14px;
  height: 52px;
  background: var(--faq-card);
  border: 1px solid var(--kiwi-seed);
  border-radius: 2px;
  transition: border-color 200ms var(--ease), box-shadow 200ms var(--ease);
}

.page-faq .faq-search:focus-within {
  border-color: var(--kiwi-flesh);
  box-shadow: 0 0 0 3px rgba(111, 191, 43, 0.22);
}

.page-faq .faq-search-mark {
  font-size: 20px;
  line-height: 1;
  color: var(--kiwi-flesh);
}

.page-faq .faq-search-input {
  flex: 1 1 auto;
  min-width: 0;
  height: 100%;
  border: 0;
  background: transparent;
  color: var(--kiwi-seed);
  font-family: var(--font-body);
  font-size: 15px;
  outline: none;
}

.page-faq .faq-search-input::placeholder {
  color: var(--tag-gray);
}

.page-faq .faq-search-count {
  flex: none;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--lake-blue);
  padding-left: 10px;
  border-left: 1px solid var(--grid-gray);
}

/* 首屏三个刻度 */
.page-faq .faq-hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  margin: 26px 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid rgba(16, 36, 26, 0.16);
  font-size: 13px;
  color: var(--tag-gray);
}

.page-faq .faq-hero-facts li {
  display: flex;
  align-items: baseline;
  gap: 7px;
}

.page-faq .faq-fact-num {
  font-size: 20px;
  font-weight: 700;
  color: var(--lake-blue);
  letter-spacing: -0.02em;
}

/* 首屏图 */
.page-faq .faq-hero-figure {
  margin: 0;
  position: relative;
}

.page-faq .faq-hero-media {
  border: 1px solid var(--kiwi-seed);
  border-radius: 2px;
  background: var(--faq-card);
  overflow: hidden;
  box-shadow: 14px 14px 0 rgba(111, 191, 43, 0.28);
}

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

.page-faq .faq-figure-tag {
  display: inline-block;
  margin-top: 14px;
  padding: 5px 10px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--lake-deep);
  background: var(--faq-card);
  border: 1px solid var(--grid-gray);
  border-radius: 2px;
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  padding-top: 40px;
  padding-bottom: 72px;
}

.page-faq .faq-index-title {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--tag-gray);
  margin-bottom: 12px;
}

.page-faq .faq-index-list {
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-index-list::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-index-list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 14px;
  white-space: nowrap;
  font-size: 14px;
  color: var(--kiwi-seed);
  text-decoration: none;
  border-bottom: 2px solid var(--grid-gray);
  transition: border-color 180ms var(--ease), color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-faq .faq-index-list a .mono {
  font-size: 11px;
  color: var(--lake-blue);
}

.page-faq .faq-index-list a:hover,
.page-faq .faq-index-list a:focus-visible {
  border-color: var(--sunset);
  color: var(--lake-deep);
  background: rgba(199, 238, 155, 0.35);
}

.page-faq .faq-top {
  display: inline-block;
  margin-top: 14px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--tag-gray);
  text-decoration: none;
  border-bottom: 1px dashed var(--grid-gray);
  padding-bottom: 2px;
}

.page-faq .faq-top:hover {
  color: var(--sunset);
  border-color: var(--sunset);
}

/* ---------- 分类区块 ---------- */
.page-faq .faq-cats {
  min-width: 0;
}

.page-faq .faq-cat {
  padding: 26px 0 32px;
  border-top: 1px solid var(--grid-gray);
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.page-faq .faq-cat:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-faq .faq-cat-head {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 12px;
}

.page-faq .faq-cat-num {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--paper);
  background: var(--kiwi-seed);
  border-radius: 2px;
  transition: background-color 240ms var(--ease);
}

.page-faq .faq-cat.is-active .faq-cat-num {
  background: var(--sunset);
}

.page-faq .faq-cat-head h2 {
  margin: 2px 0 6px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(21px, 4.6vw, 28px);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.page-faq .faq-cat-head p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--faq-mute);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list {
  border-top: 1px solid var(--grid-gray);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--grid-gray);
  background: transparent;
}

.page-faq .faq-q {
  position: relative;
  display: block;
  padding: 17px 44px 17px 0;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--kiwi-seed);
  cursor: pointer;
  list-style: none;
  transition: color 180ms var(--ease);
}

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

.page-faq .faq-q::after {
  content: "+";
  position: absolute;
  right: 10px;
  top: 16px;
  font-family: var(--font-mono);
  font-size: 19px;
  line-height: 1;
  color: var(--lake-blue);
  transition: transform 200ms var(--ease), color 200ms var(--ease);
}

.page-faq .faq-item[open] .faq-q::after {
  content: "–";
  color: var(--sunset);
}

.page-faq .faq-q:hover,
.page-faq .faq-item[open] .faq-q {
  color: var(--lake-deep);
}

.page-faq .faq-a {
  padding: 0 44px 20px 16px;
  border-left: 2px solid var(--kiwi-light);
  margin-left: 2px;
}

.page-faq .faq-a p {
  margin: 0;
  max-width: 42ch;
  font-size: 15px;
  line-height: 1.8;
  color: #35463c;
}

.page-faq mark {
  background: var(--kiwi-light);
  color: var(--kiwi-seed);
  padding: 0 3px;
  border-radius: 1px;
}

.page-faq .faq-a a {
  color: var(--lake-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

/* 账号章节配图 */
.page-faq .faq-cat-media {
  position: relative;
  margin: 4px 0 22px;
}

.page-faq .faq-media {
  border: 1px solid var(--grid-gray);
  border-radius: 2px;
  overflow: hidden;
  background: var(--faq-card);
}

.page-faq .faq-media img {
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-media-note {
  display: block;
  margin-top: 10px;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--tag-gray);
}

/* ---------- 联系与收尾 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: 14px;
  margin-bottom: 26px;
}

.page-faq .faq-contact-card {
  padding: 18px 18px 20px;
  background: var(--faq-card);
  border: 1px solid var(--grid-gray);
  border-left: 4px solid var(--kiwi-flesh);
  border-radius: 2px;
}

.page-faq .faq-contact-label {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--lake-blue);
}

.page-faq .faq-contact-value {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--kiwi-seed);
  word-break: break-word;
}

.page-faq .faq-contact-note {
  margin: 0;
  max-width: 40ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--faq-mute);
}

.page-faq .faq-cta {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 22px 20px;
  background: var(--kiwi-seed);
  border-radius: 2px;
}

.page-faq .faq-cta-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
}

.page-faq .faq-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding: calc(var(--header-h) + 56px) 0 60px;
  }

  .page-faq .faq-index-list a {
    font-size: 15px;
  }

  .page-faq .faq-contact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-cat-media {
    max-width: 560px;
  }
}

/* ---------- 桌面：左索引 + 右问答 ---------- */
@media (min-width: 1000px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    gap: 56px;
    align-items: center;
  }

  .page-faq .faq-hero-figure {
    transform: translateY(8px) rotate(-0.6deg);
  }

  .page-faq .faq-body {
    padding-top: 56px;
  }

  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 60px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-faq .faq-index-list {
    flex-direction: column;
    gap: 0;
    padding-bottom: 0;
    overflow: visible;
    border-left: 1px solid var(--grid-gray);
  }

  .page-faq .faq-index-list a {
    border-bottom: 0;
    border-left: 2px solid transparent;
    margin-left: -1px;
    padding: 10px 12px;
    white-space: normal;
  }

  .page-faq .faq-index-list a:hover,
  .page-faq .faq-index-list a:focus-visible {
    border-left-color: var(--sunset);
    background: rgba(199, 238, 155, 0.3);
  }

  .page-faq .faq-cat {
    padding: 34px 0 44px;
  }

  .page-faq .faq-cat:nth-child(even) {
    padding-left: 24px;
    border-left: 1px solid var(--grid-gray);
  }

  .page-faq .faq-q {
    font-size: 17px;
    padding: 19px 52px 19px 0;
  }

  .page-faq .faq-a {
    padding: 0 52px 24px 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-hero-media,
  .page-faq .faq-hero-figure {
    box-shadow: none;
    transform: none;
  }
}
</main>