.page-faq {
  --faq-hair: rgba(150, 162, 220, 0.16);
  --faq-glow-a: radial-gradient(circle at 50% 50%, rgba(123, 92, 255, 0.42), rgba(72, 233, 208, 0.14) 46%, transparent 70%);
  position: relative;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(34px, 6vw, 84px) 0 clamp(30px, 5vw, 62px);
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -26%;
  right: -12%;
  width: min(780px, 96vw);
  aspect-ratio: 1 / 1;
  background: var(--faq-glow-a);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: -12%;
  bottom: -46%;
  width: 68%;
  height: 72%;
  background: linear-gradient(118deg, rgba(255, 92, 214, 0.16), rgba(72, 233, 208, 0.08) 52%, transparent 74%);
  transform: skewX(-14deg);
  pointer-events: none;
}

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

.page-faq .faq-hero-grid {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
  align-items: start;
}

.page-faq .faq-hero-copy h1 {
  margin: 14px 0 0;
  font-size: clamp(29px, 5.4vw, 50px);
  line-height: 1.16;
  letter-spacing: 0.035em;
  font-weight: 800;
  color: var(--text);
  background: linear-gradient(98deg, #ffffff 6%, var(--amber-2) 44%, var(--cyan) 94%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-faq .faq-lead {
  margin: 18px 0 0;
  max-width: 54ch;
  color: var(--text-2);
  font-size: clamp(0.95rem, 1.6vw, 1.04rem);
  line-height: 1.9;
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero-aside {
  padding: 22px 20px 24px;
  border-radius: var(--radius);
}

.page-faq .faq-rail {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-faq .faq-rail-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 12px;
  border: 1px solid transparent;
  border-radius: var(--radius-s);
  color: var(--text-2);
  font-size: 0.94rem;
  text-decoration: none;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.page-faq .faq-rail-link:hover,
.page-faq .faq-rail-link:focus-visible {
  background: rgba(72, 233, 208, 0.09);
  border-color: rgba(72, 233, 208, 0.32);
  color: var(--text);
}

.page-faq .rail-idx {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  color: var(--text-3);
}

/* ---------- 数据条 ---------- */
.page-faq .faq-stats {
  position: relative;
  z-index: 1;
  margin-top: clamp(26px, 4vw, 44px);
  padding-top: 24px;
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-stats .stat-row {
  margin-top: 14px;
}

.page-faq .faq-stats .stat-value {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.page-faq .faq-stats .stat:nth-child(1) .stat-value { color: var(--amber); }
.page-faq .faq-stats .stat:nth-child(2) .stat-value { color: var(--cyan); }
.page-faq .faq-stats .stat:nth-child(3) .stat-value { color: var(--violet-2); }
.page-faq .faq-stats .stat:nth-child(4) .stat-value { color: var(--magenta); }

/* ---------- 章节通用 ---------- */
.page-faq .faq-section {
  position: relative;
  padding: clamp(46px, 6.4vw, 84px) 0;
  border-top: 1px solid var(--faq-hair);
  scroll-margin-top: 96px;
}

.page-faq .faq-section--alt {
  background: linear-gradient(180deg, rgba(13, 18, 34, 0.9), rgba(4, 5, 12, 0.25));
}

.page-faq .faq-head {
  max-width: 66ch;
}

.page-faq .faq-head .section-title {
  margin-top: 10px;
  letter-spacing: 0.03em;
  line-height: 1.3;
}

.page-faq .faq-head .section-lead {
  margin-top: 14px;
  max-width: 62ch;
  color: var(--text-2);
  line-height: 1.9;
}

.page-faq .faq-split {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
  margin-top: clamp(26px, 4vw, 44px);
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-list {
  counter-reset: faq;
}

.page-faq .faq-item {
  position: relative;
  padding: 20px 0 20px 44px;
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-item:first-child {
  border-top: 0;
  padding-top: 6px;
}

.page-faq .faq-item:first-child::before {
  top: 8px;
}

.page-faq .faq-item::before {
  counter-increment: faq;
  content: counter(faq, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 22px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-faq .faq-q {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.6;
  letter-spacing: 0.015em;
  color: var(--text);
  font-weight: 600;
}

.page-faq .faq-a {
  margin: 9px 0 0;
  color: var(--text-2);
  font-size: 0.94rem;
  line-height: 1.9;
}

/* ---------- 媒体 ---------- */
.page-faq .faq-media {
  position: relative;
}

.page-faq .faq-media .media-frame {
  border-radius: var(--radius);
  box-shadow: 0 0 0 1px rgba(150, 162, 220, 0.12), 0 24px 60px rgba(4, 5, 12, 0.6);
}

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

.page-faq .faq-media .media-caption {
  margin: 12px 0 0;
  color: var(--text-3);
  font-size: 0.83rem;
  line-height: 1.75;
}

/* ---------- 筛选维度面板 ---------- */
.page-faq .faq-stat-panel {
  padding: 24px 22px 26px;
  border-radius: var(--radius);
  border: 1px solid rgba(123, 92, 255, 0.28);
}

.page-faq .faq-dim-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-faq .faq-dim-list li {
  display: grid;
  gap: 6px;
  padding-left: 14px;
  border-left: 2px solid transparent;
  border-image: linear-gradient(180deg, var(--violet), var(--cyan)) 1;
}

.page-faq .dim-key {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-faq .dim-val {
  color: var(--text-2);
  font-size: 0.92rem;
  line-height: 1.85;
}

/* ---------- 变更记录轨道 ---------- */
.page-faq .faq-change-rail {
  padding: 24px 22px 26px;
  border-radius: var(--radius);
}

.page-faq .faq-change-list {
  margin-top: 14px;
}

.page-faq .faq-change-list .orbit-item {
  position: relative;
  padding: 0 0 20px 20px;
  border-left: 1px solid rgba(72, 233, 208, 0.34);
}

.page-faq .faq-change-list .orbit-item:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}

.page-faq .faq-change-list .orbit-item::before {
  content: "";
  position: absolute;
  left: -4.5px;
  top: 7px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(72, 233, 208, 0.75);
}

.page-faq .faq-change-list .faq-q {
  font-size: 0.98rem;
}

.page-faq .faq-change-list .faq-a {
  font-size: 0.9rem;
}

/* ---------- 联系方式 ---------- */
.page-faq .faq-contact-grid {
  display: grid;
  gap: 18px;
  margin-top: clamp(26px, 4vw, 42px);
}

.page-faq .faq-contact-card {
  padding: 24px 22px 26px;
  border-radius: var(--radius);
  border-top: 2px solid transparent;
}

.page-faq .faq-contact-grid > .faq-contact-card:nth-child(1) { border-top-color: var(--amber); }
.page-faq .faq-contact-grid > .faq-contact-card:nth-child(2) { border-top-color: var(--cyan); }
.page-faq .faq-contact-grid > .faq-contact-card:nth-child(3) { border-top-color: var(--violet-2); }

.page-faq .faq-contact-value {
  margin: 12px 0 0;
  font-size: clamp(1.05rem, 2.4vw, 1.32rem);
  letter-spacing: 0.02em;
  color: var(--text);
  word-break: break-word;
}

.page-faq .faq-contact-note {
  margin: 10px 0 0;
  color: var(--text-3);
  font-size: 0.87rem;
  line-height: 1.85;
}

/* ---------- 结尾引导 ---------- */
.page-faq .faq-cta {
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-cta-inner {
  display: grid;
  gap: 22px;
  padding: clamp(26px, 4vw, 42px);
  border-radius: var(--radius);
  background-image: linear-gradient(120deg, rgba(123, 92, 255, 0.18), rgba(72, 233, 208, 0.1) 58%, rgba(255, 180, 84, 0.1));
}

.page-faq .faq-cta-title {
  margin: 10px 0 0;
  font-size: clamp(1.24rem, 2.9vw, 1.72rem);
  line-height: 1.34;
  letter-spacing: 0.03em;
  color: var(--text);
}

.page-faq .faq-cta-lead {
  margin: 12px 0 0;
  max-width: 52ch;
  color: var(--text-2);
  font-size: 0.95rem;
  line-height: 1.9;
}

.page-faq .faq-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  }

  .page-faq .faq-hero-aside {
    transform: translateY(-16px);
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 0.94fr) minmax(0, 1.06fr);
  }

  .page-faq .faq-contact-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-cta-inner {
    grid-template-columns: minmax(0, 1.3fr) auto;
    align-items: center;
  }

  .page-faq .faq-cta-actions {
    justify-content: flex-end;
  }
}

@media (max-width: 480px) {
  .page-faq .faq-item {
    padding-left: 36px;
  }

  .page-faq .faq-hero-actions .btn {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .page-faq .faq-cta-actions .btn {
    width: 100%;
    justify-content: center;
    text-align: center;
  }
}