.page-faq {
  --faq-sticky-top: 96px;
  --faq-card-pad: clamp(14px, 1.6vw, 20px);
  padding-bottom: 0;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  border-bottom: 1px solid var(--wb-line);
  background:
    radial-gradient(120% 90% at 82% 0%, rgba(33, 230, 193, 0.10), transparent 58%),
    linear-gradient(180deg, var(--wb-deep) 0%, var(--wb-night) 100%);
}

.page-faq .faq-hero__media {
  margin: 0;
  position: relative;
  overflow: hidden;
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: clamp(150px, 24vw, 300px);
  object-fit: cover;
  filter: saturate(0.92) contrast(1.06) brightness(0.8);
}

.page-faq .faq-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 6, 22, 0.25) 0%, rgba(21, 10, 46, 0.75) 62%, var(--wb-night) 100%);
}

.page-faq .faq-hero__body {
  padding-top: clamp(24px, 3.4vw, 44px);
  padding-bottom: clamp(26px, 3.6vw, 48px);
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-family: var(--wb-font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 66px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--wb-paper);
  max-width: 20ch;
}

.page-faq .faq-hero__lead {
  margin: 20px 0 0;
  max-width: 680px;
  font-family: var(--wb-font-mono);
  font-size: 15px;
  line-height: 1.85;
  color: var(--wb-mist);
}

.page-faq .faq-hero__facts {
  list-style: none;
  margin: 26px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--wb-line);
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
}

.page-faq .faq-hero__facts li {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: var(--wb-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--wb-mist);
}

.page-faq .faq-hero__facts li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--wb-cyan);
}

.page-faq .faq-hero__facts li:nth-child(2)::before { background: var(--wb-amber); }
.page-faq .faq-hero__facts li:nth-child(3)::before { background: var(--wb-magenta); }
.page-faq .faq-hero__facts li:nth-child(4)::before { background: var(--wb-vermilion); }

/* ---------- 分类跳转条 ---------- */
.page-faq .faq-jump {
  border-bottom: 1px solid var(--wb-line);
  background: var(--wb-night);
}

.page-faq .faq-jump__track {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-top: 14px;
  padding-bottom: 14px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

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

.page-faq .faq-jump__link {
  flex: 0 0 auto;
  padding: 8px 14px;
  border: 1px solid var(--wb-line);
  color: var(--wb-paper);
  font-family: var(--wb-font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-decoration: none;
  transition: border-color 0.25s var(--wb-ease), color 0.25s var(--wb-ease), background-color 0.25s var(--wb-ease);
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  border-color: var(--wb-cyan);
  color: var(--wb-cyan);
}

.page-faq .faq-jump__link[aria-current="true"] {
  border-color: var(--wb-magenta);
  color: var(--wb-magenta);
}

/* ---------- 主网格 ---------- */
.page-faq .faq-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
  padding-top: clamp(36px, 4.6vw, 68px);
  padding-bottom: clamp(48px, 6vw, 96px);
}

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

/* ---------- 问题组 ---------- */
.page-faq .faq-group {
  border-top: 1px solid var(--wb-line);
  padding-top: clamp(18px, 2.2vw, 28px);
  margin-bottom: clamp(44px, 5.4vw, 80px);
}

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

.page-faq .faq-group__num {
  margin: 0;
  font-family: var(--wb-font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--wb-amber);
}

.page-faq .faq-group__title {
  margin: 10px 0 0;
  font-family: var(--wb-font-display);
  font-weight: 800;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--wb-paper);
}

.page-faq .faq-group__lead {
  margin: 12px 0 0;
  max-width: 640px;
  font-family: var(--wb-font-mono);
  font-size: 14px;
  line-height: 1.85;
  color: var(--wb-mist);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 26px 0 8px;
}

.page-faq .faq-figure .wb-figure__img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-figure .wb-figure__caption {
  margin-top: 10px;
  font-family: var(--wb-font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--wb-mist);
}

/* ---------- 折叠问题 ---------- */
.page-faq .faq-item {
  border-left: 1px solid var(--wb-line);
  padding-left: 16px;
  margin-top: 20px;
  transition: border-color 0.25s var(--wb-ease);
}

.page-faq .faq-item[open] { border-left-color: var(--wb-cyan); }

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 6px 0;
  list-style: none;
  cursor: pointer;
  font-family: var(--wb-font-mono);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.65;
  color: var(--wb-paper);
  transition: color 0.25s var(--wb-ease);
}

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

.page-faq .faq-item__q::after {
  content: "+";
  margin-left: auto;
  padding-left: 12px;
  color: var(--wb-cyan);
  font-weight: 700;
  line-height: 1.4;
  transition: transform 0.25s var(--wb-ease), color 0.25s var(--wb-ease);
}

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

.page-faq .faq-item[open] .faq-item__q::after {
  transform: rotate(45deg);
  color: var(--wb-magenta);
}

.page-faq .faq-item__a {
  padding: 6px 0 4px;
  max-width: 46em;
  font-family: var(--wb-font-mono);
  font-size: 14px;
  line-height: 1.85;
  color: var(--wb-mist);
}

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

.page-faq .faq-item__a a {
  color: var(--wb-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(33, 230, 193, 0.45);
  transition: border-color 0.25s var(--wb-ease), color 0.25s var(--wb-ease);
}

.page-faq .faq-item__a a:hover {
  color: var(--wb-amber);
  border-bottom-color: var(--wb-amber);
}

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

.page-faq .faq-steps li {
  counter-increment: faqstep;
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  color: var(--wb-paper);
}

.page-faq .faq-steps li::before {
  content: counter(faqstep);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--wb-amber);
  color: var(--wb-night);
  font-family: var(--wb-font-mono);
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.page-faq .faq-steps li a {
  color: var(--wb-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(33, 230, 193, 0.45);
}

.page-faq .faq-steps li a:hover {
  color: var(--wb-amber);
  border-bottom-color: var(--wb-amber);
}

/* ---------- 右栏 ---------- */
.page-faq .faq-rail { min-width: 0; }

.page-faq .faq-rail__inner {
  display: grid;
  gap: 18px;
}

.page-faq .faq-rail__block {
  border: 1px solid var(--wb-line);
  background: var(--wb-deep);
  padding: var(--faq-card-pad);
}

.page-faq .faq-rail__title {
  font-size: clamp(20px, 2.2vw, 26px);
}

.page-faq .faq-rail__hint {
  margin: 12px 0 18px;
  font-family: var(--wb-font-mono);
  font-size: 13px;
  line-height: 1.8;
  color: var(--wb-mist);
}

.page-faq .faq-term {
  border-top: 1px solid var(--wb-vermilion);
  background: var(--wb-panel);
  padding: 14px 16px 16px;
  margin-bottom: 12px;
  transition: border-top-color 0.25s var(--wb-ease), background-color 0.25s var(--wb-ease);
}

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

.page-faq .faq-term:hover,
.page-faq .faq-term:focus-within {
  border-top-color: var(--wb-cyan);
  background: var(--wb-night);
}

.page-faq .faq-term__name {
  margin: 0 0 6px;
  font-family: var(--wb-font-display);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: 0.01em;
  color: var(--wb-paper);
}

.page-faq .faq-term__text {
  margin: 0;
  font-family: var(--wb-font-mono);
  font-size: 12.5px;
  line-height: 1.78;
  color: var(--wb-mist);
}

/* ---------- 客服引导卡 ---------- */
.page-faq .faq-cta {
  border: 1px solid var(--wb-line);
  background:
    radial-gradient(120% 100% at 100% 0%, rgba(255, 61, 154, 0.12), transparent 60%),
    linear-gradient(180deg, var(--wb-panel), var(--wb-deep));
  padding: var(--faq-card-pad);
}

.page-faq .faq-cta__title {
  margin: 0;
  font-family: var(--wb-font-display);
  font-weight: 800;
  font-size: 18px;
  color: var(--wb-paper);
}

.page-faq .faq-cta__text {
  margin: 10px 0 16px;
  font-family: var(--wb-font-mono);
  font-size: 13px;
  line-height: 1.8;
  color: var(--wb-mist);
}

.page-faq .faq-cta .wb-btn { margin: 0 8px 8px 0; }

/* ---------- 桌面栅格 ---------- */
@media (min-width: 960px) {
  .page-faq .faq-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    column-gap: clamp(32px, 4vw, 64px);
  }

  .page-faq .faq-rail__inner {
    position: sticky;
    top: var(--faq-sticky-top);
  }

  .page-faq .faq-figure { margin-right: -6%; }

  .page-faq .faq-item { padding-left: 20px; }
}

@media (min-width: 1280px) {
  .page-faq .faq-hero__lead { font-size: 16px; }
  .page-faq .faq-item__a { font-size: 14.5px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item__q,
  .page-faq .faq-item__q::after,
  .page-faq .faq-term,
  .page-faq .faq-jump__link {
    transition: none;
  }
}
</main>