.page-faq {
  --faq-hair: rgba(127, 216, 245, 0.22);
  --faq-hair-ink: rgba(10, 16, 22, 0.12);
  --faq-body-ink: #24323C;
  --faq-idx: #46606E;
  --faq-dim: rgba(234, 246, 251, 0.7);
  display: block;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: clamp(20px, 4vw, 38px) 0 clamp(34px, 6vw, 72px);
  background:
    radial-gradient(120% 92% at 86% 0%, rgba(127, 216, 245, 0.16) 0%, transparent 58%),
    linear-gradient(168deg, var(--ice-deep) 0%, var(--ice-steel) 66%, #0B2531 100%);
  color: var(--ice-white);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 52%;
  background: linear-gradient(118deg, transparent 0 41%, rgba(127, 216, 245, 0.07) 41% 59%, transparent 59%);
  pointer-events: none;
}

.page-faq .faq-hero .wrap {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 44px);
  margin-top: clamp(18px, 3vw, 32px);
}

.page-faq .faq-hero h1 {
  margin: 0 0 0.6em;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.75rem, 5.2vw, 2.9rem);
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--ice-white);
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(18px, 4vw, 44px);
  margin: clamp(20px, 4vw, 32px) 0 0;
  padding: clamp(16px, 3vw, 22px) 0 0;
  list-style: none;
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.3rem, 3.2vw, 1.85rem);
  line-height: 1.1;
  color: var(--ice-blue);
}

.page-faq .faq-stat__label {
  display: block;
  margin-top: 4px;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--faq-dim);
}

.page-faq .faq-hero__figure {
  margin: 0;
  border-radius: var(--r-card);
  overflow: hidden;
  border: 1px solid var(--faq-hair);
  background: rgba(14, 46, 60, 0.55);
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

/* ---------- 问答主体 ---------- */

.page-faq .faq-body {
  padding: clamp(32px, 6vw, 72px) 0 clamp(28px, 5vw, 58px);
  background:
    radial-gradient(90% 60% at 0% 0%, rgba(28, 107, 85, 0.24) 0%, transparent 62%),
    var(--ice-deep);
}

.page-faq .faq-body__title {
  margin: 0 0 0.5em;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.4rem, 3.4vw, 2.05rem);
  line-height: 1.12;
  letter-spacing: -0.005em;
  color: var(--ice-white);
}

.page-faq .faq-body__sub {
  margin: 0 0 clamp(20px, 4vw, 34px);
  max-width: 60ch;
  font-size: 1rem;
  line-height: 1.72;
  color: var(--faq-dim);
}

/* 分段切换：移动端横向，桌面端竖向索引 */

.page-faq .seg {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 32px);
}

.page-faq .seg__tablist {
  display: flex;
  flex-direction: row;
  gap: 10px;
  margin: 0;
  padding: 10px;
  border-radius: var(--r-card);
  background: var(--pine);
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

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

.page-faq .seg__tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 11px 18px;
  border: 1px solid rgba(127, 216, 245, 0.22);
  border-radius: var(--r-pill);
  background: transparent;
  color: rgba(234, 246, 251, 0.84);
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.2;
  white-space: nowrap;
  cursor: pointer;
  scroll-snap-align: start;
  transition: background-color 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-faq .seg__tab:hover {
  border-color: var(--ice-blue);
  color: var(--ice-white);
}

.page-faq .seg__tab[aria-selected="true"] {
  background: var(--flare);
  border-color: var(--flare);
  color: #1B0B00;
}

.page-faq .faq-tabnum {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  opacity: 0.75;
}

.page-faq .seg__panel {
  min-width: 0;
  padding: clamp(20px, 3.4vw, 40px);
  border-radius: var(--r-card);
  background: var(--ice-white);
  color: var(--ink);
}

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

.page-faq .faq-panel__title {
  margin: 0 0 0.45em;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.25rem, 2.6vw, 1.7rem);
  line-height: 1.16;
  color: var(--pine);
}

.page-faq .faq-panel__lede {
  margin: 0 0 clamp(20px, 3vw, 28px);
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--faq-body-ink);
}

/* 步骤条 */

.page-faq .faq-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 0 0 clamp(22px, 3.4vw, 32px);
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.page-faq .faq-step__num {
  position: relative;
  z-index: 1;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--grass);
  border-radius: 50%;
  background: #FFFFFF;
  color: var(--pine);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.82rem;
}

.page-faq .faq-step__num::after {
  content: "";
  position: absolute;
  top: -3px;
  right: -3px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--flare);
}

.page-faq .faq-step__text {
  padding-top: 9px;
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--faq-body-ink);
}

/* 面板插图 */

.page-faq .faq-panel__figure {
  margin: 0 0 clamp(22px, 3.4vw, 32px);
  border-radius: var(--r-soft);
  overflow: hidden;
  border: 1px solid var(--faq-hair-ink);
  background: var(--ice-steel);
}

.page-faq .faq-panel__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* 问答条目 */

.page-faq .qa-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .qa {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: clamp(10px, 2vw, 20px);
  padding: clamp(16px, 2.4vw, 22px) 0;
  border-top: 1px solid var(--faq-hair-ink);
}

.page-faq .qa__idx {
  position: relative;
  padding-top: 0.5em;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.72rem;
  line-height: 1;
  letter-spacing: 0.08em;
  color: var(--faq-idx);
}

.page-faq .qa__idx::before {
  content: "";
  display: block;
  width: 1px;
  height: 16px;
  margin: 0 0 6px 5px;
  background: var(--grass);
}

.page-faq .qa__body {
  min-width: 0;
}

.page-faq .qa__q {
  margin: 0 0 0.45em;
  font-size: clamp(1rem, 1.5vw, 1.08rem);
  font-weight: 600;
  line-height: 1.52;
  color: var(--ink);
}

.page-faq .qa__a {
  margin: 0;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--faq-body-ink);
}

.page-faq .qa__a a,
.page-faq .faq-panel__lede a {
  color: var(--flare-ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-more {
  margin-top: 12px;
  border: 1px dashed rgba(10, 16, 22, 0.2);
  border-radius: var(--r-soft);
  background: rgba(14, 46, 60, 0.045);
}

/* ---------- 沟通准备 ---------- */

.page-faq .faq-prep {
  padding: clamp(38px, 6vw, 76px) 0 clamp(46px, 7vw, 88px);
  background: linear-gradient(160deg, var(--pine) 0%, #082A26 100%);
  color: var(--ice-white);
}

.page-faq .faq-prep__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-faq .faq-prep h2 {
  margin: 0 0 0.55em;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.45rem, 3.6vw, 2.15rem);
  line-height: 1.1;
  color: var(--ice-white);
}

.page-faq .faq-prep__intro p {
  margin: 0 0 1.4em;
  max-width: 46ch;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--faq-dim);
}

.page-faq .faq-prep__list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-prep__list > li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid var(--faq-hair);
  border-radius: var(--r-soft);
  background: rgba(7, 26, 34, 0.5);
}

.page-faq .faq-prep__num {
  padding-top: 0.15em;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--flare);
}

.page-faq .faq-prep__list strong {
  display: block;
  margin-bottom: 4px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--ice-white);
}

.page-faq .faq-prep__list p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.72;
  color: var(--faq-dim);
}

.page-faq .faq-prep__more {
  margin: clamp(26px, 4vw, 40px) 0 0;
  max-width: 72ch;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--faq-dim);
}

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

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
  }

  .page-faq .faq-step {
    padding-right: 10px;
  }

  .page-faq .faq-step::after {
    content: "";
    position: absolute;
    top: 21px;
    left: 46px;
    right: -8px;
    height: 1px;
    background: linear-gradient(90deg, var(--grass), rgba(28, 107, 85, 0.05));
  }

  .page-faq .faq-step:last-child::after {
    display: none;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-faq .faq-prep__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 6fr);
  }
}

@media (min-width: 960px) {
  .page-faq .seg {
    grid-template-columns: 252px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .seg__tablist {
    grid-column: 1;
    grid-row: 1 / -1;
    align-self: start;
    flex-direction: column;
    gap: 8px;
    padding: 14px;
    overflow: visible;
    scroll-snap-type: none;
    position: sticky;
    top: 24px;
  }

  .page-faq .seg__panel {
    grid-column: 2;
  }

  .page-faq .seg__tab {
    width: 100%;
    justify-content: flex-start;
    padding: 14px 16px;
    white-space: normal;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .seg__tab {
    transition: none;
  }
}