.page-faq {
  --faq-cut: 18px;
  --faq-cut-sm: 12px;
  padding-bottom: 64px;
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumbs {
  padding-top: 22px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 26px 0 0;
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  align-items: end;
}

.page-faq .faq-hero__copy .section__eyebrow {
  margin: 0;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 5.4vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--white);
  margin: 12px 0 16px;
  max-width: 15em;
}

.page-faq .faq-hero .lede {
  color: var(--silver);
  font-size: 16px;
  line-height: 1.8;
  margin: 0 0 24px;
  max-width: 40em;
}

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

.page-faq .faq-hero__media {
  margin: 0;
  clip-path: polygon(0 0, calc(100% - var(--faq-cut)) 0, 100% var(--faq-cut), 100% 100%, var(--faq-cut) 100%, 0 calc(100% - var(--faq-cut)));
  overflow: hidden;
  background: linear-gradient(140deg, var(--ink-800), var(--ink-900));
}

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

/* ---------- 主体骨架 ---------- */
.page-faq .faq-body {
  padding: 46px 0 0;
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

/* ---------- 左栏分类轴 ---------- */
.page-faq .faq-axis {
  background: var(--ink-800);
  padding: 20px 18px 22px;
  border-left: 2px solid var(--cyan);
  clip-path: polygon(0 0, calc(100% - var(--faq-cut)) 0, 100% var(--faq-cut), 100% 100%, 0 100%);
}

.page-faq .faq-axis__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--coral);
  text-transform: uppercase;
}

.page-faq .faq-axis__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
  counter-reset: none;
}

.page-faq .faq-axis__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  color: var(--white);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.5;
  border-left: 2px solid transparent;
  transition: color var(--ease), background var(--ease), border-color var(--ease);
}

.page-faq .faq-axis__link:hover,
.page-faq .faq-axis__link:focus-visible {
  color: var(--cyan);
  background: rgba(53, 240, 224, 0.07);
  border-left-color: var(--cyan);
}

.page-faq .faq-axis__link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 1px;
}

.page-faq .faq-axis__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 12px;
  color: var(--coral);
  flex: none;
}

.page-faq .faq-axis__hint {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--silver);
}

/* ---------- 右侧问答流 ---------- */
.page-faq .faq-stream {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 46px;
}

.page-faq .faq-group {
  scroll-margin-top: 96px;
}

.page-faq .faq-group__head {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding-bottom: 14px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--line-strong);
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 24px;
  line-height: 1;
  color: var(--coral);
  flex: none;
  padding-top: 4px;
}

.page-faq .faq-group__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 2.8vw, 27px);
  line-height: 1.15;
  color: var(--white);
  margin: 0 0 6px;
}

.page-faq .faq-group__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--silver);
}

.page-faq .faq-group__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

/* ---------- 折叠问答条 ---------- */
.page-faq .qa {
  background: var(--cream);
  clip-path: polygon(0 0, calc(100% - var(--faq-cut-sm)) 0, 100% var(--faq-cut-sm), 100% 100%, 0 100%);
  transition: box-shadow var(--ease), background var(--ease);
}

.page-faq .qa:hover {
  box-shadow: inset 3px 0 0 rgba(255, 106, 61, 0.6);
}

.page-faq .qa[open] {
  background: var(--parchment);
  box-shadow: inset 3px 0 0 var(--cyan);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  color: var(--brown);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.55;
}

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

.page-faq .qa__q::marker {
  content: "";
}

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

.page-faq .qa__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  color: var(--coral);
  flex: none;
  min-width: 28px;
  padding-top: 3px;
}

.page-faq .qa__text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .qa__chev {
  flex: none;
  width: 16px;
  height: 16px;
  margin-top: 5px;
  color: var(--brown);
  transition: transform var(--ease), color var(--ease);
}

.page-faq .qa[open] .qa__chev {
  transform: rotate(180deg);
  color: var(--coral);
}

.page-faq .qa__a {
  padding: 0 18px 18px 58px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--brown);
}

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

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

.page-faq .qa__next {
  font-size: 14px;
}

/* ---------- 底部联络带 ---------- */
.page-faq .faq-help {
  padding: 60px 0 0;
}

.page-faq .faq-help__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  align-items: center;
  background: var(--ink-800);
  padding: 24px;
  clip-path: polygon(0 var(--faq-cut), var(--faq-cut) 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%);
}

.page-faq .faq-help__media {
  margin: 0;
  overflow: hidden;
  clip-path: polygon(0 0, calc(100% - var(--faq-cut-sm)) 0, 100% var(--faq-cut-sm), 100% 100%, 0 100%);
}

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

.page-faq .faq-help__copy h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 2.6vw, 26px);
  line-height: 1.2;
  color: var(--white);
  margin: 0 0 12px;
}

.page-faq .faq-help__copy p {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--silver);
}

/* ---------- 媒体查询 ---------- */
@media (max-width: 560px) {
  .page-faq .qa__a {
    padding-left: 18px;
  }

  .page-faq .qa__q {
    font-size: 15px;
    padding: 14px 14px;
  }

  .page-faq .faq-axis {
    padding: 16px 14px 18px;
  }

  .page-faq .faq-help__grid {
    padding: 18px 14px;
  }
}

@media (min-width: 760px) {
  .page-faq .faq-hero {
    padding-top: 34px;
  }

  .page-faq .faq-stream {
    gap: 54px;
  }

  .page-faq .faq-help__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 32px;
    padding: 28px 32px;
  }

  .page-faq .faq-help {
    padding-top: 76px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 48px;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: 268px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-axis {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-group__desc {
    font-size: 14.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa__chev,
  .page-faq .faq-axis__link {
    transition: none;
  }
}