.page-faq {
  --faq-hair: rgba(19, 22, 25, .13);
  --faq-body: #3A4249;
  --faq-open: rgba(41, 224, 192, .07);
}

/* ---------- 顶部：面包屑 + 首屏标题 ---------- */
.page-faq .faq-top {
  padding-top: clamp(26px, 5vw, 56px);
  padding-bottom: clamp(26px, 4.5vw, 44px);
}

.page-faq .faq-hero {
  max-width: 900px;
  margin-top: clamp(22px, 4vw, 40px);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  max-width: 20ch;
  font-size: clamp(30px, 7.4vw, 60px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-faq .faq-hero h1::after {
  content: "";
  display: block;
  width: 84px;
  height: 6px;
  margin-top: clamp(16px, 2.4vw, 22px);
  border-radius: 4px;
  background: var(--kiwi);
  transform: skewX(-22deg);
}

.page-faq .faq-hero .lede {
  margin-top: clamp(18px, 3vw, 26px);
  max-width: 40em;
  color: var(--faq-body);
}

/* ---------- 顶部横向视觉带 ---------- */
.page-faq .faq-band {
  margin: 0;
  border-radius: var(--r-organic);
  overflow: hidden;
}

.page-faq .faq-band .media__img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* ---------- 正文容器 ---------- */
.page-faq .faq-body {
  padding-top: clamp(34px, 6vw, 76px);
  padding-bottom: clamp(56px, 9vw, 118px);
}

/* ---------- 分组锚点横条 ---------- */
.page-faq .faq-jump {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  padding-bottom: 14px;
  margin-bottom: clamp(30px, 5vw, 52px);
  border-bottom: 1px solid var(--faq-hair);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.page-faq .faq-jump::-webkit-scrollbar {
  height: 0;
}

.page-faq .faq-jump a {
  flex: 0 0 auto;
  scroll-snap-align: start;
  display: inline-block;
  padding: 9px 17px;
  border: 1px solid var(--faq-hair);
  border-radius: var(--r-pill);
  font-size: 14px;
  line-height: 1;
  white-space: nowrap;
  color: var(--ink);
  text-decoration: none;
  transition: background .24s var(--ease), border-color .24s var(--ease), color .24s var(--ease);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  background: var(--kiwi);
  border-color: var(--kiwi);
  color: var(--ink);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  display: grid;
  gap: clamp(18px, 3.6vw, 28px);
  padding-block: clamp(30px, 5vw, 54px);
  border-top: 1px solid var(--faq-hair);
  scroll-margin-top: 28px;
}

.page-faq .faq-group:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-group__idx {
  margin: 0;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--brown);
}

.page-faq .faq-group__head h2 {
  margin: 9px 0 0;
  font-size: clamp(22px, 3.8vw, 30px);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .faq-group__head h2::after {
  content: "";
  display: block;
  width: 30px;
  height: 4px;
  margin-top: 12px;
  border-radius: 3px;
  background: var(--kiwi);
}

.page-faq .faq-group__list {
  counter-reset: faq;
  min-width: 0;
}

/* ---------- 单条问答 ---------- */
.page-faq .faq-item {
  counter-increment: faq;
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-item:first-child {
  border-top: 0;
}

.page-faq .faq-q {
  position: relative;
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: clamp(18px, 3vw, 24px) 46px clamp(18px, 3vw, 24px) 0;
  list-style: none;
  cursor: pointer;
  font-size: clamp(16px, 2.5vw, 18px);
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink);
  transition: color .2s var(--ease);
}

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

.page-faq .faq-q::before {
  content: counter(faq, decimal-leading-zero);
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--brown);
}

.page-faq .faq-q::after {
  content: "";
  position: absolute;
  right: 4px;
  top: 50%;
  width: 14px;
  height: 14px;
  margin-top: -7px;
  background:
    linear-gradient(var(--brown), var(--brown)) center / 14px 2px no-repeat,
    linear-gradient(var(--brown), var(--brown)) center / 2px 14px no-repeat;
  transition: transform .3s var(--ease), background .3s var(--ease);
}

.page-faq .faq-q:hover {
  color: var(--cobalt);
}

.page-faq .faq-item[open] .faq-q::after {
  transform: rotate(45deg);
  background:
    linear-gradient(var(--cyan-ink), var(--cyan-ink)) center / 14px 2px no-repeat,
    linear-gradient(var(--cyan-ink), var(--cyan-ink)) center / 2px 14px no-repeat;
}

.page-faq .faq-item[open] {
  border-radius: var(--r-s);
  background: var(--faq-open);
  box-shadow: inset 3px 0 0 var(--cyan);
}

.page-faq .faq-a {
  padding: 0 0 clamp(22px, 3.4vw, 30px) 32px;
  max-width: 42em;
}

.page-faq .faq-a p {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--faq-body);
}

.page-faq .faq-a a {
  color: var(--cobalt);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-faq .faq-a a:hover {
  text-decoration-thickness: 2px;
}

/* ---------- 章节旁的竖版视觉 ---------- */
.page-faq .faq-figure {
  margin: clamp(24px, 4vw, 38px) 0 0 auto;
  max-width: min(100%, 340px);
}

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

/* ---------- 桌面端 ---------- */
@media (min-width: 860px) {
  .page-faq .faq-top {
    padding-top: clamp(40px, 5vw, 72px);
  }

  .page-faq .faq-group {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: clamp(34px, 5vw, 76px);
  }

  .page-faq .faq-group__head {
    position: sticky;
    top: 36px;
    align-self: start;
  }

  .page-faq .faq-a {
    padding-left: 40px;
    padding-right: clamp(0px, 4vw, 56px);
  }

  .page-faq .faq-jump {
    gap: 12px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-hero h1 {
    font-size: 64px;
  }

  .page-faq .faq-group {
    grid-template-columns: 236px minmax(0, 1fr);
  }
}