.page-faq {
  --faq-rail: 264px;
  --faq-gap: 48px;
}

/* ---------- 面包屑留白 ---------- */
.page-faq .breadcrumbs {
  padding-top: calc(var(--header-h) + 28px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: 32px;
  align-items: center;
  padding-top: 32px;
  padding-bottom: 56px;
}

.page-faq .faq-hero__eyebrow,
.page-faq .faq-hero .eyebrow {
  margin: 0 0 14px;
  color: var(--leaf);
}

.page-faq .faq-hero__title {
  margin: 0 0 20px;
  font-size: clamp(30px, 7.4vw, 54px);
  font-weight: 300;
  line-height: 1.16;
  letter-spacing: -0.012em;
  color: var(--seed);
  overflow-wrap: break-word;
}

.page-faq .lede {
  margin: 0 0 26px;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--seed);
  opacity: .82;
}

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

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 34px;
  margin: 30px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--stroke);
  list-style: none;
}

.page-faq .faq-fact {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-faq .faq-fact__label {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--moss);
}

.page-faq .faq-fact__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 800;
  color: var(--seed);
}

.page-faq .faq-hero__media {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: linear-gradient(140deg, var(--kiwi), var(--leaf));
  box-shadow: var(--shadow-soft);
}

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

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

.page-faq .faq-layout {
  display: grid;
  gap: 34px;
}

/* ---------- 左侧主题栏 ---------- */
.page-faq .faq-rail {
  display: grid;
  gap: 20px;
  align-content: start;
}

.page-faq .faq-search {
  padding: 20px;
  border: 1px solid var(--stroke);
  border-radius: var(--radius-lg);
  background: var(--cream);
}

.page-faq .faq-search__label {
  display: block;
  margin-bottom: 10px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .1em;
  color: var(--leaf);
}

.page-faq .faq-search__input {
  box-sizing: border-box;
  width: 100%;
  padding: 12px 18px;
  font-family: inherit;
  font-size: 15px;
  color: var(--seed);
  background: var(--cream);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-pill);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}

.page-faq .faq-search__input::placeholder {
  color: var(--moss);
}

.page-faq .faq-search__input:focus {
  outline: none;
  border-color: var(--fluoro);
  box-shadow: 0 0 0 3px rgba(200, 255, 61, .4);
}

.page-faq .faq-search__hint {
  margin: 12px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--moss);
  overflow-wrap: anywhere;
}

.page-faq .faq-rail__nav {
  display: grid;
  gap: 2px;
  padding: 6px 0;
  border-left: 1px solid var(--stroke);
}

.page-faq .faq-rail__link {
  display: block;
  padding: 10px 14px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--moss);
  text-decoration: none;
  border-left: 2px solid transparent;
  margin-left: -1px;
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease), padding-left .2s var(--ease);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  color: var(--seed);
  background: var(--cream);
  border-left-color: var(--kiwi);
  padding-left: 18px;
}

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

/* ---------- 问答分组 ---------- */
.page-faq .faq-main {
  min-width: 0;
}

.page-faq .faq-group {
  margin-bottom: 54px;
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-faq .faq-group:last-of-type {
  margin-bottom: 40px;
}

.page-faq .faq-group__head {
  display: grid;
  gap: 8px;
  padding-bottom: 18px;
  margin-bottom: 6px;
  border-bottom: 2px solid var(--seed);
}

.page-faq .faq-group__no {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .16em;
  color: var(--kiwi);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(22px, 4.6vw, 30px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: .005em;
  color: var(--seed);
}

.page-faq .faq-group__lede {
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--moss);
}

.page-faq .faq-list {
  display: grid;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-item {
  position: relative;
  border-bottom: 1px solid var(--stroke);
  transition: background-color .2s var(--ease);
}

.page-faq .faq-item[open] {
  background: linear-gradient(90deg, rgba(95, 194, 58, .1), rgba(95, 194, 58, 0) 72%);
}

.page-faq .faq-item[open]::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 3px;
  border-radius: 3px;
  background: var(--fluoro);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 20px 18px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--seed);
  cursor: pointer;
  list-style: none;
  transition: color .2s var(--ease);
}

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

.page-faq .faq-item__q::after {
  content: "+";
  flex: none;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 400;
  line-height: 1.1;
  color: var(--kiwi);
  transition: transform .2s var(--ease), color .2s var(--ease);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "\2013";
  color: var(--seed);
}

.page-faq .faq-item__q:hover {
  color: var(--leaf);
}

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--fluoro);
  outline-offset: -3px;
}

.page-faq .faq-item__a {
  padding: 0 18px 24px 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--seed);
}

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

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

/* ---------- 步骤列表 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: 10px;
  margin: 12px 0 12px;
  padding: 0;
  list-style: none;
  counter-reset: faqstep;
}

.page-faq .faq-steps li {
  position: relative;
  padding-left: 34px;
  font-size: 15px;
  line-height: 1.72;
  counter-increment: faqstep;
}

.page-faq .faq-steps li::before {
  content: counter(faqstep);
  position: absolute;
  left: 0;
  top: 2px;
  display: grid;
  place-items: center;
  width: 23px;
  height: 23px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  color: var(--seed);
  background: var(--fluoro);
  border-radius: 50%;
}

/* ---------- 八项统计小图 ---------- */
.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 14px 0 4px;
}

.page-faq .faq-stats .stat {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 12px 14px;
  background: var(--cream);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-md);
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}

.page-faq .faq-stats .stat:hover {
  border-color: var(--kiwi);
  transform: translateY(-2px);
}

.page-faq .faq-stats .stat--hot {
  background: rgba(200, 255, 61, .26);
  border-color: var(--fluoro);
}

.page-faq .faq-stats .stat__value {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .01em;
  color: var(--seed);
}

.page-faq .faq-stats .stat__label {
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--moss);
}

/* ---------- 章节配图 ---------- */
.page-faq .faq-figure {
  margin: 24px 0 8px;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
  background: var(--cream);
}

.page-faq .faq-figure .note {
  margin: 10px 0 0;
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--moss);
}

/* ---------- 延伸入口 ---------- */
.page-faq .faq-cross {
  padding-top: 36px;
  border-top: 1px solid var(--stroke);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-faq .faq-cross__title {
  margin: 0 0 20px;
  font-size: clamp(20px, 3.6vw, 26px);
  font-weight: 300;
  letter-spacing: .01em;
  color: var(--seed);
}

.page-faq .faq-cross__row {
  display: grid;
  gap: 12px;
}

.page-faq .faq-cross__card {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 20px;
  text-decoration: none;
  background: var(--cream);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-md);
  transition: border-color .2s var(--ease), background-color .2s var(--ease), transform .2s var(--ease);
}

.page-faq .faq-cross__card:hover,
.page-faq .faq-cross__card:focus-visible {
  border-color: var(--fluoro);
  background: #ffffff;
  transform: translateY(-3px);
}

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

.page-faq .faq-cross__label {
  font-size: 15.5px;
  font-weight: 800;
  color: var(--seed);
}

.page-faq .faq-cross__desc {
  font-size: 13px;
  line-height: 1.68;
  color: var(--moss);
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero {
    grid-template-columns: 1.06fr .94fr;
    gap: 44px;
    padding-top: 40px;
    padding-bottom: 70px;
  }

  .page-faq .faq-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-cross__row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-item__q {
    padding: 22px 22px;
    font-size: 16.5px;
  }

  .page-faq .faq-item__a {
    padding: 0 22px 26px 22px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: var(--faq-gap);
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-h) + 26px);
  }

  .page-faq .faq-hero {
    gap: 64px;
    padding-bottom: 84px;
  }

  .page-faq .faq-cross__row {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 尊重减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-rail__link,
  .page-faq .faq-item__q,
  .page-faq .faq-item__q::after,
  .page-faq .faq-cross__card,
  .page-faq .faq-stats .stat,
  .page-faq .faq-search__input {
    transition: none;
  }

  .page-faq .faq-cross__card:hover,
  .page-faq .faq-stats .stat:hover {
    transform: none;
  }
}