/* ============ page-faq 支持中心 ============ */
.page-faq {
  --faq-line: rgba(69, 123, 157, 0.34);
  --faq-glow: rgba(255, 215, 0, 0.14);
  --faq-shadow: rgba(4, 14, 30, 0.42);
  --faq-red-acc: #E63946;
  --faq-blue-acc: #A8DADC;
  --faq-gold-acc: #FFD700;
  position: relative;
  background:
    radial-gradient(circle at 12% 8%, rgba(230, 57, 70, 0.07), transparent 26%),
    linear-gradient(180deg, #0B1D3A 0%, #0E2440 52%, #0B1D3A 100%);
  color: #F1FAEE;
  overflow-x: hidden;
}

/* ---------- Hero ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(44px, 7vw, 80px) 0 clamp(28px, 4vw, 48px);
  background:
    radial-gradient(circle at 84% 18%, rgba(230, 57, 70, 0.24), transparent 46%),
    linear-gradient(112deg, rgba(255, 215, 0, 0.07), transparent 32%),
    linear-gradient(135deg, #0B1D3A 0%, #1A3A5C 100%);
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 4vw, 44px);
  align-items: center;
}

.page-faq .faq-hero__content {
  position: relative;
  z-index: 2;
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: 20px;
}

.page-faq .faq-hero .section-index {
  margin-bottom: 14px;
  color: #FFD700;
  font-size: 13px;
  letter-spacing: 0.16em;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(44px, 9vw, 92px);
  line-height: 1.04;
  letter-spacing: 0.01em;
  margin: 0 0 20px;
}

.page-faq .faq-hero__lead {
  display: block;
  font-size: clamp(20px, 3.4vw, 32px);
  line-height: 1.18;
  font-weight: 600;
  margin-top: 6px;
  color: #F1FAEE;
}

.page-faq .faq-hero__desc {
  max-width: 640px;
  margin: 0 0 22px;
  font-size: 16px;
  line-height: 1.8;
  color: #A8DADC;
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-hero__badge {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid rgba(69, 123, 157, 0.6);
  background: rgba(26, 58, 92, 0.45);
  color: #A8DADC;
  font-size: 13px;
  letter-spacing: 0.04em;
}

.page-faq .faq-hero__badge--gold {
  border-color: rgba(255, 215, 0, 0.45);
  background: rgba(255, 215, 0, 0.09);
  color: #FFD700;
}

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

.page-faq .faq-hero__frame {
  position: relative;
  max-width: 560px;
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid rgba(255, 215, 0, 0.35);
  border-radius: 4px 26px 26px 4px;
  background: linear-gradient(135deg, rgba(230, 57, 70, 0.18), rgba(26, 58, 92, 0.8));
  box-shadow: 0 24px 44px var(--faq-shadow);
  transform: rotate(-1deg);
}

.page-faq .faq-hero__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(120deg, transparent 42%, rgba(230, 57, 70, 0.10) 42%, rgba(230, 57, 70, 0.10) 44%, transparent 44%),
    linear-gradient(60deg, transparent 84%, rgba(255, 215, 0, 0.14) 84%, rgba(255, 215, 0, 0.14) 87%, transparent 87%);
}

.page-faq .faq-hero__img {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 快速定位 ---------- */
.page-faq .faq-cats {
  background: rgba(11, 29, 58, 0.92);
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-cats__inner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.page-faq .faq-cats__label {
  flex: 0 0 auto;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: #FFD700;
}

.page-faq .faq-cats__list {
  display: flex;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
  overflow-x: auto;
  flex: 1;
  min-width: 0;
}

.page-faq .faq-cats__link {
  display: block;
  padding: 8px 16px;
  border: 1px solid rgba(69, 123, 157, 0.5);
  border-left: 3px solid #E63946;
  background: rgba(26, 58, 92, 0.5);
  color: #F1FAEE;
  text-decoration: none;
  font-size: 14px;
  white-space: nowrap;
  transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.2s;
}

.page-faq .faq-cats__link:hover {
  background: #E63946;
  border-color: #E63946;
  color: #FFFFFF;
  transform: translateY(-2px);
}

/* ---------- 章节头 ---------- */
.page-faq .faq-section {
  padding-top: clamp(44px, 7vw, 72px);
  padding-bottom: clamp(20px, 4vw, 44px);
}

.page-faq .faq-section__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-section__head .section-index {
  flex: 0 0 auto;
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.16em;
  color: #FFD700;
}

.page-faq .faq-section__head h2 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(24px, 4vw, 42px);
  line-height: 1.1;
  text-align: right;
}

/* ---------- 折叠面板 ---------- */
.page-faq .faq-acc {
  display: grid;
  gap: 14px;
}

.page-faq .faq-item {
  --item-accent: #E63946;
  position: relative;
  background:
    linear-gradient(135deg, rgba(255, 215, 0, 0.03), transparent 45%),
    rgba(26, 58, 92, 0.5);
  border: 1px solid var(--faq-line);
  border-left: 4px solid var(--item-accent);
  border-radius: 2px 10px 10px 2px;
  transition: background 0.25s, border-color 0.25s, box-shadow 0.25s, transform 0.25s;
}

.page-faq .faq-item--blue {
  --item-accent: #A8DADC;
}

.page-faq .faq-item--gold {
  --item-accent: #FFD700;
}

.page-faq .faq-item[open] {
  background:
    linear-gradient(135deg, rgba(230, 57, 70, 0.07), rgba(26, 58, 92, 0.62));
  border-color: var(--item-accent);
  box-shadow: 0 12px 28px var(--faq-shadow);
}

.page-faq .faq-item__summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 48px 18px 16px;
  cursor: pointer;
  user-select: none;
  position: relative;
}

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

.page-faq .faq-item__summary::after {
  content: "+";
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--item-accent);
  color: var(--item-accent);
  font-size: 18px;
  font-weight: 700;
  border-radius: 50%;
  transition: transform 0.2s, background 0.2s, color 0.2s;
}

.page-faq .faq-item[open] .faq-item__summary::after {
  content: "−";
  background: var(--item-accent);
  color: #0B1D3A;
  transform: translateY(-50%) rotate(180deg);
}

.page-faq .faq-item__no {
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--item-accent);
  color: #0B1D3A;
  font-family: var(--font-heading);
  font-size: 15px;
  clip-path: polygon(0 0, 100% 0, 88% 100%, 0 100%);
}

.page-faq .faq-item__q {
  font-weight: 600;
  font-size: 16px;
  line-height: 1.45;
  color: #F1FAEE;
}

.page-faq .faq-item__a {
  margin: 0;
  padding: 14px 48px 22px 16px;
  border-top: 1px dashed rgba(69, 123, 157, 0.28);
  font-size: 15px;
  line-height: 1.7;
  color: #A8DADC;
  transition: opacity 0.25s, transform 0.25s;
}

.page-faq .faq-item__a a {
  color: #FFD700;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 215, 0, 0.5);
}

.page-faq .faq-item__a a:hover {
  color: #E63946;
  border-color: #E63946;
}

/* ---------- 联系我们区 ---------- */
.page-faq .faq-contact-grid {
  display: grid;
  gap: 22px;
  grid-template-columns: 1fr;
}

.page-faq .faq-contact-card {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  padding: clamp(24px, 4vw, 38px);
  background:
    radial-gradient(circle at 82% 18%, rgba(255, 215, 0, 0.10), transparent 40%),
    linear-gradient(135deg, rgba(230, 57, 70, 0.20), transparent 52%),
    linear-gradient(135deg, #1A3A5C 0%, #0B1D3A 100%);
  border: 1px solid rgba(69, 123, 157, 0.5);
  border-left: 4px solid #FFD700;
  border-radius: 2px 24px 24px 2px;
}

.page-faq .faq-contact-card__inner .section-index {
  color: #FFD700;
  font-size: 13px;
  letter-spacing: 0.16em;
  margin-bottom: 10px;
}

.page-faq .faq-contact-card__inner h3 {
  margin: 0 0 18px;
  font-family: var(--font-heading);
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.2;
  color: #F1FAEE;
}

.page-faq .faq-contact-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-contact-list li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px dashed rgba(69, 123, 157, 0.38);
  font-size: 14px;
}

.page-faq .faq-contact-list span {
  color: #A8DADC;
}

.page-faq .faq-contact-list strong {
  color: #FFD700;
  font-weight: 600;
  text-align: right;
}

.page-faq .faq-contact-card__note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: #A8DADC;
}

.page-faq .faq-contact-card__note a {
  color: #FFD700;
  text-decoration: none;
}

.page-faq .faq-contact-card__note a:hover {
  color: #E63946;
}

.page-faq .faq-contact-card__art {
  overflow: hidden;
  border: 1px solid rgba(69, 123, 157, 0.45);
  border-radius: 2px 18px 18px 2px;
  background: linear-gradient(135deg, rgba(230, 57, 70, 0.08), rgba(255, 215, 0, 0.06));
}

.page-faq .faq-contact-card__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.page-faq .faq-contact-card:hover .faq-contact-card__img {
  transform: scale(1.02);
}

/* ---------- 平板 640px+ ---------- */
@media (min-width: 640px) {
  .page-faq .faq-item__q {
    font-size: 18px;
  }

  .page-faq .faq-item__no {
    width: 48px;
    height: 48px;
    font-size: 17px;
  }

  .page-faq .faq-item__a {
    padding-left: 78px;
  }
}

/* ---------- 桌面 880px+ ---------- */
@media (min-width: 880px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .page-faq .faq-hero__visual {
    justify-self: end;
    padding-right: clamp(8px, 3vw, 32px);
  }

  .page-faq .faq-hero__frame {
    margin: 0 0 0 auto;
    transform: rotate(1deg);
  }

  .page-faq .faq-cats__inner {
    gap: 20px;
  }

  .page-faq .faq-cats__list {
    gap: 12px;
  }

  .page-faq .faq-contact-grid {
    grid-template-columns: 1.3fr 1fr;
    align-items: start;
  }
}

/* ---------- 宽屏 1120px+ ---------- */
@media (min-width: 1120px) {
  .page-faq .faq-contact-card {
    grid-template-columns: 1.25fr 0.75fr;
    align-items: center;
    gap: 26px;
  }

  .page-faq .faq-contact-card__art {
    height: 100%;
  }

  .page-faq .faq-contact-card__img {
    height: 100%;
    aspect-ratio: auto;
  }
}