.page-faq {
  --faq-paper: #F5F0E6;
  --faq-panel: #E8E2D6;
  --faq-navy: #0A1628;
  --faq-navy-light: #10233F;
  --faq-ink: #1A1A1A;
  --faq-muted: #444444;
  --faq-white: #FFFFFF;
  --faq-neon: #39FF14;
  --faq-orange: #FF6B35;
  --faq-amber: #FFD166;
  --faq-blue: #2D6CDF;
  --faq-purple: #7B61FF;
  --faq-radius-lg: 24px;
  --faq-radius-md: 14px;
  background: var(--faq-paper);
}

/* ========== 英雄区 ========== */
.page-faq .faq-hero {
  position: relative;
  padding: 2.5rem 0 3rem;
  background-image:
    radial-gradient(rgba(26, 26, 26, 0.05) 1px, transparent 1px),
    linear-gradient(135deg, rgba(45, 108, 223, 0.05) 0%, transparent 55%);
  background-size: 18px 18px, 100% 100%;
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -7rem;
  top: -5rem;
  width: 20rem;
  height: 26rem;
  background: linear-gradient(180deg, rgba(45, 108, 223, 0.09), rgba(123, 97, 255, 0.09));
  clip-path: polygon(28% 0, 100% 0, 82% 100%, 0% 100%);
  pointer-events: none;
  z-index: 0;
}

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

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 2rem;
}

.page-faq .faq-hero__kicker {
  font-family: var(--font-data);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--faq-orange);
}

.page-faq .faq-hero__title {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(1.75rem, 4.6vw, 3.4rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--faq-ink);
  margin: 0.75rem 0 1rem;
}

.page-faq .faq-hero__lead {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--faq-muted);
  max-width: 37rem;
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem;
  align-self: center;
}

.page-faq .faq-hero__stat {
  position: relative;
  background: var(--faq-navy);
  border-radius: var(--faq-radius-md);
  padding: 1.1rem 0.6rem;
  text-align: center;
  overflow: hidden;
}

.page-faq .faq-hero__stat::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--faq-neon);
}

.page-faq .faq-hero__stat-num {
  display: block;
  font-family: var(--font-data);
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1;
  color: var(--faq-white);
}

.page-faq .faq-hero__stat-label {
  display: block;
  margin-top: 0.4rem;
  font-family: var(--font-data);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.7);
}

/* ========== 通用区块 ========== */
.page-faq .faq-section {
  padding: 3rem 0 3.5rem;
  scroll-margin-top: 4rem;
}

.page-faq .faq-section--tint {
  background: var(--faq-panel);
}

/* ========== 热门问题 ========== */
.page-faq .faq-hot {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  margin-top: 2rem;
}

.page-faq .faq-hot__media {
  margin: 0;
  border-radius: var(--faq-radius-lg);
  background: var(--faq-navy);
  padding: 0.5rem;
  overflow: hidden;
}

.page-faq .faq-hot__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: calc(var(--faq-radius-lg) - 6px);
}

/* ========== 问答条目 ========== */
.page-faq .faq-item {
  background: var(--faq-white);
  border-radius: var(--faq-radius-md);
  box-shadow: 0 2px 8px rgba(26, 26, 26, 0.05);
  border-left: 3px solid transparent;
  margin-bottom: 0.75rem;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.page-faq .faq-item[open] {
  border-left-color: var(--faq-orange);
  box-shadow: 0 6px 20px rgba(26, 26, 26, 0.08);
}

.page-faq .faq-item__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.25rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.55;
  color: var(--faq-ink);
}

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

.page-faq .faq-item__summary:hover .faq-item__mark {
  border-color: var(--faq-orange);
}

.page-faq .faq-item__mark {
  position: relative;
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 99px;
  background: var(--faq-paper);
  border: 1px solid rgba(26, 26, 26, 0.18);
  transition: transform 0.3s ease, background-color 0.3s ease, border-color 0.2s ease;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 10px;
  height: 2px;
  border-radius: 2px;
  background: var(--faq-muted);
}

.page-faq .faq-item__mark::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq .faq-item[open] .faq-item__mark {
  background: var(--faq-orange);
  border-color: var(--faq-orange);
  transform: rotate(-45deg);
}

.page-faq .faq-item[open] .faq-item__mark::before,
.page-faq .faq-item[open] .faq-item__mark::after {
  background: var(--faq-white);
}

.page-faq .faq-item__answer {
  padding: 0.9rem 1.25rem 1.25rem;
  border-top: 1px dashed rgba(26, 26, 26, 0.1);
  animation: page-faq-fade 0.3s ease;
}

.page-faq .faq-item__answer p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--faq-muted);
}

@keyframes page-faq-fade {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ========== 分类标签 ========== */
.page-faq .faq-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 2rem 0 2.5rem;
}

.page-faq .faq-tab {
  display: inline-block;
  padding: 0.55rem 1.2rem;
  border-radius: 999px;
  background: var(--faq-white);
  border: 1px solid rgba(26, 26, 26, 0.15);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--faq-muted);
  text-decoration: none;
  transition: background-color 0.25s ease, color 0.25s ease, transform 0.2s ease, border-color 0.25s ease;
}

.page-faq .faq-tab:hover {
  background: var(--faq-orange);
  border-color: var(--faq-orange);
  color: var(--faq-white);
  transform: translateY(-2px);
}

/* ========== 分类区块 ========== */
.page-faq .faq-cat {
  margin-bottom: 2.75rem;
  scroll-margin-top: 5rem;
}

.page-faq .faq-cat:target .faq-cat__head {
  background: var(--faq-amber);
}

.page-faq .faq-cat__head {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.25rem;
  padding: 0.6rem 0.8rem;
  border-bottom: 2px solid rgba(26, 26, 26, 0.08);
  border-radius: 12px;
  transition: background-color 0.4s ease;
}

.page-faq .faq-cat__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--faq-navy);
  font-family: var(--font-data);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--faq-white);
}

.page-faq .faq-cat__title {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.01em;
  color: var(--faq-ink);
}

.page-faq .faq-cat__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

.page-faq .faq-cat__grid .faq-item:last-child:nth-child(odd) {
  grid-column: 1 / -1;
}

/* ========== 联系支持 ========== */
.page-faq .faq-contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 2rem;
  padding: 2rem;
  background: linear-gradient(135deg, var(--faq-navy) 0%, var(--faq-navy-light) 100%);
  border-radius: var(--faq-radius-lg);
  position: relative;
  overflow: hidden;
}

.page-faq .faq-contact::before {
  content: "";
  position: absolute;
  right: -4rem;
  bottom: -4rem;
  width: 13rem;
  height: 13rem;
  background: linear-gradient(135deg, rgba(45, 108, 223, 0.35), rgba(123, 97, 255, 0.25));
  clip-path: polygon(45% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

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

.page-faq .faq-contact .section-heading__kicker {
  color: var(--faq-neon);
}

.page-faq .faq-contact .section-heading__title {
  color: var(--faq-white);
}

.page-faq .faq-contact .section-heading__desc {
  color: rgba(255, 255, 255, 0.75);
}

.page-faq .faq-contact__list {
  list-style: none;
  margin: 1.5rem 0;
  padding: 0;
  display: grid;
  gap: 0.625rem;
}

.page-faq .faq-contact__item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 0.85rem 1rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--faq-white);
}

.page-faq .faq-contact__item-label {
  flex-shrink: 0;
  font-family: var(--font-data);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--faq-neon);
  min-width: 4.5rem;
}

.page-faq .faq-contact__item-value {
  overflow-wrap: anywhere;
}

.page-faq .faq-contact__note {
  margin: 1.25rem 0 0;
  padding-left: 0.85rem;
  border-left: 3px solid var(--faq-amber);
  font-family: var(--font-data);
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.page-faq .faq-contact__actions .btn--primary {
  background: var(--faq-neon);
  border-color: var(--faq-neon);
  color: var(--faq-navy);
}

.page-faq .faq-contact__actions .btn--ghost {
  border-color: rgba(255, 255, 255, 0.55);
  color: var(--faq-white);
}

.page-faq .faq-contact__actions .btn--ghost:hover {
  background: rgba(255, 255, 255, 0.12);
}

.page-faq .faq-contact__media {
  position: relative;
  z-index: 1;
  margin: 0;
  border-radius: calc(var(--faq-radius-lg) - 6px);
  overflow: hidden;
  align-self: center;
}

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

/* ========== 媒体查询 ========== */
@media (min-width: 720px) {
  .page-faq .faq-cat__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
  }

  .page-faq .faq-contact {
    padding: 2.5rem;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero {
    padding: 3.5rem 0 4.5rem;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: 1.5fr 1fr;
    gap: 3.5rem;
    align-items: center;
  }

  .page-faq .faq-hero__stats {
    gap: 0.75rem;
  }

  .page-faq .faq-hero__stat-num {
    font-size: 1.75rem;
  }

  .page-faq .faq-section {
    padding: 4.5rem 0 5rem;
  }

  .page-faq .faq-hot {
    grid-template-columns: 1fr 21rem;
    gap: 3rem;
    align-items: start;
  }

  .page-faq .faq-cat {
    margin-bottom: 3.5rem;
  }

  .page-faq .faq-contact {
    grid-template-columns: 1fr 1.05fr;
    gap: 3rem;
    padding: 3.25rem;
  }
}