/* FAQ — 与 BRT motor 主站设计系统一致 */
.faq-page {
  background: var(--apple-gray-1, #f5f5f7);
}

.faq-hero {
  background: linear-gradient(135deg, #1d1d1f 0%, #2d2d30 45%, #0071e3 120%);
  color: #fff;
  padding: 72px 20px 64px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.faq-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 25% 80%, rgba(0, 113, 227, 0.25) 0%, transparent 50%),
    radial-gradient(circle at 75% 20%, rgba(41, 151, 255, 0.15) 0%, transparent 45%);
  pointer-events: none;
}

.faq-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
}

.faq-hero__label {
  display: inline-block;
  background: rgba(0, 113, 227, 0.2);
  color: #7ec8ff;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 20px;
  border: 1px solid rgba(41, 151, 255, 0.35);
}

.faq-hero h1 {
  font-size: clamp(1.75rem, 4.5vw, 2.75rem);
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.faq-hero h1 .accent {
  color: #2997ff;
}

.faq-hero__subtitle {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.6;
  margin: 0;
}

.faq-body {
  padding: 48px 0 64px;
}

.faq-section-card {
  background: #fff;
  border-radius: 18px;
  padding: 32px 36px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  height: 100%;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.faq-section-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 26px rgba(0, 0, 0, 0.06);
}

.faq-section-card__tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #0071e3;
  margin-bottom: 8px;
}

.faq-section-card h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #1d1d1f;
  margin-bottom: 8px;
}

.faq-item {
  border-bottom: 1px solid #f0f0f2;
  padding: 18px 0;
}

.faq-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.faq-item summary {
  font-size: 15px;
  font-weight: 600;
  color: #1d1d1f;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  outline: none;
  user-select: none;
  line-height: 1.45;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  flex-shrink: 0;
  font-size: 20px;
  color: #86868b;
  font-weight: 300;
  transition: transform 0.2s ease, color 0.2s ease;
  margin-top: 2px;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
  color: #1d1d1f;
}

.faq-item__answer {
  font-size: 14px;
  color: #515154;
  margin-top: 12px;
  padding-right: 8px;
  line-height: 1.65;
}

.faq-item__answer p {
  margin-bottom: 0.75rem;
}

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

.faq-item__answer ol {
  margin: 0.5rem 0 0;
  padding-left: 1.25rem;
}

.faq-item__answer li {
  margin-bottom: 0.35rem;
}

.faq-rating-section {
  margin-top: 2rem;
}

.faq-rating-section .faq-section-card {
  padding: 40px 36px;
}

.faq-rating-section h2 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.faq-rating-block {
  margin-bottom: 2rem;
}

.faq-rating-block:last-child {
  margin-bottom: 0;
}

.faq-rating-block h3 {
  font-size: 1rem;
  font-weight: 700;
  color: #1d1d1f;
  margin-bottom: 12px;
}

.faq-grade-table {
  width: 100%;
  font-size: 14px;
  border-collapse: collapse;
}

.faq-grade-table th,
.faq-grade-table td {
  padding: 10px 14px;
  border-bottom: 1px solid #f0f0f2;
  vertical-align: top;
  text-align: left;
}

.faq-grade-table th {
  font-weight: 600;
  color: #1d1d1f;
  background: #fafafa;
  width: 28%;
}

.faq-grade-table td {
  color: #515154;
}

.faq-grade-table tr:last-child th,
.faq-grade-table tr:last-child td {
  border-bottom: none;
}

.faq-compact-cta {
  text-align: center;
  padding: 48px 20px;
  background: #fff;
  border-radius: 18px;
  margin: 32px auto;
  max-width: 640px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.faq-compact-cta p {
  color: #515154;
  margin-bottom: 1.25rem;
}

@media (max-width: 767.98px) {
  .faq-section-card {
    padding: 24px 20px;
  }

  .faq-rating-section .faq-section-card {
    padding: 28px 20px;
    overflow-x: auto;
  }

  .faq-grade-table {
    min-width: 480px;
  }
}