.page-faq {
  background: var(--bg-deep);
  color: var(--white);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
}

/* ---------- Hero ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: calc(var(--header-h) + 64px) 20px 56px;
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: '';
  position: absolute;
  top: 40px;
  right: -80px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(155, 89, 182, 0.28) 0%, rgba(255, 20, 147, 0.12) 45%, transparent 72%);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, transparent 0%, var(--gold) 30%, var(--magenta) 70%, transparent 100%);
  transform: skewX(-18deg);
  opacity: 0.7;
}

.page-faq .faq-hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 36px;
}

.page-faq .faq-hero-copy {
  flex: 1 1 340px;
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: 24px;
}

.page-faq .faq-hero-copy h1 {
  display: inline-block;
  margin: 10px 0 18px;
  font-family: var(--font-head);
  font-size: clamp(30px, 5vw, 52px);
  line-height: 1.14;
  text-shadow: 0 0 36px rgba(255, 215, 0, 0.16);
}

.page-faq .faq-hero-lead {
  margin: 0 0 28px;
  max-width: 620px;
  color: var(--gray-light);
  font-size: 16px;
}

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

.page-faq .faq-hero-icon {
  flex: 0 1 220px;
  margin: 0;
}

.page-faq .faq-hero-icon img {
  display: block;
  width: min(200px, 100%);
  height: auto;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--radius-cut);
  border: 1px solid rgba(255, 20, 147, 0.35);
  box-shadow: var(--shadow-pop);
  transform: rotate(1.5deg);
  transition: transform 0.3s ease;
}

.page-faq .faq-hero-icon img:hover {
  transform: rotate(0deg);
}

/* ---------- 主布局 ---------- */
.page-faq .faq-layout {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 36px;
  max-width: var(--container-w);
  padding: 64px 20px 80px;
  scroll-margin-top: calc(var(--header-h) + 20px);
}

/* 左侧分类导航 */
.page-faq .faq-nav {
  flex: 0 1 240px;
  position: sticky;
  top: calc(var(--header-h) + 24px);
  background: var(--bg-card);
  border: 1px solid rgba(0, 229, 255, 0.2);
  border-radius: var(--radius-cut);
  padding: 24px 18px;
  box-shadow: var(--shadow-pop);
}

.page-faq .faq-nav-title {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-size: 18px;
  letter-spacing: 0.05em;
  color: var(--gold);
}

.page-faq .faq-nav-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-nav-link {
  display: block;
  padding: 10px 12px;
  color: var(--gray-light);
  font-size: 14px;
  text-decoration: none;
  border-left: 3px solid transparent;
  border-radius: 0 8px 8px 0;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-nav-link:hover,
.page-faq .faq-nav-link:focus-visible {
  color: var(--white);
  border-left-color: var(--gold);
  background: linear-gradient(90deg, rgba(255, 215, 0, 0.12), transparent);
}

.page-faq .faq-nav-note {
  border-top: 1px dashed rgba(176, 183, 195, 0.3);
  padding-top: 16px;
}

.page-faq .faq-nav-note p {
  margin: 0 0 12px;
  color: var(--gray-light);
  font-size: 14px;
}

/* 右侧问题区 */
.page-faq .faq-questions {
  flex: 1 1 600px;
  min-width: 0;
  padding: 28px 24px;
  background-color: rgba(26, 31, 54, 0.5);
  background-image: repeating-linear-gradient(45deg, rgba(255, 215, 0, 0.03) 0, rgba(255, 215, 0, 0.03) 1px, transparent 1px, transparent 14px);
  border: 1px solid rgba(255, 215, 0, 0.14);
  border-radius: var(--radius-cut);
}

.page-faq .faq-questions-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-bottom: 28px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(176, 183, 195, 0.2);
}

.page-faq .faq-questions-head h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 28px;
  line-height: 1.1;
}

.page-faq .faq-questions-head p {
  margin: 0;
  color: var(--gray-light);
  font-size: 14px;
}

/* 分组标题 */
.page-faq .faq-group {
  margin-bottom: 36px;
  scroll-margin-top: calc(var(--header-h) + 20px);
}

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

.page-faq .faq-group-title {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  padding-left: 16px;
  font-family: var(--font-head);
  font-size: 20px;
  letter-spacing: 0.03em;
  color: var(--white);
}

.page-faq .faq-group-title::before {
  content: '';
  width: 5px;
  height: 22px;
  background: linear-gradient(135deg, var(--purple), var(--magenta));
  transform: skewX(-14deg);
  border-radius: 2px;
}

/* 手风琴条目 */
.page-faq .faq-item {
  border: 1px solid rgba(176, 183, 195, 0.2);
  background: rgba(11, 16, 38, 0.55);
  border-radius: 6px;
  margin-top: 10px;
  transition: border-color 0.2s ease, background 0.25s ease;
}

.page-faq .faq-item:first-child {
  margin-top: 0;
}

.page-faq .faq-item[open] {
  border-color: rgba(255, 215, 0, 0.45);
  background: rgba(11, 16, 38, 0.8);
}

.page-faq .faq-item summary {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: 16px 46px 16px 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  border-radius: 6px;
  user-select: none;
  transition: color 0.2s ease, background 0.2s ease;
}

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

.page-faq .faq-item summary::after {
  content: '+';
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gold);
  font-size: 22px;
  font-weight: 400;
  line-height: 1;
  transition: transform 0.25s ease;
}

.page-faq .faq-item[open] summary::after {
  transform: translateY(-50%) rotate(135deg);
}

.page-faq .faq-item summary:hover,
.page-faq .faq-item summary:focus-visible {
  color: var(--gold);
  background: linear-gradient(90deg, rgba(255, 215, 0, 0.08), transparent);
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .faq-item[open] summary {
  color: var(--gold);
  border-bottom: 1px solid rgba(255, 215, 0, 0.22);
}

.page-faq .faq-answer {
  padding: 16px 20px 20px 16px;
  color: var(--gray-light);
  font-size: 14px;
}

.page-faq .faq-answer p {
  margin: 0;
}

.page-faq .faq-answer a {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-faq .faq-answer a:hover {
  color: var(--cyan);
}

/* ---------- 联系客服 ---------- */
.page-faq .faq-contact {
  position: relative;
  padding: 72px 20px;
  background: linear-gradient(135deg, rgba(26, 31, 54, 0.92) 0%, rgba(11, 16, 38, 0.96) 100%);
  overflow: hidden;
  scroll-margin-top: calc(var(--header-h) + 12px);
}

.page-faq .faq-contact::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -80px;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(255, 215, 0, 0.16) 0%, transparent 68%);
  pointer-events: none;
}

.page-faq .faq-contact::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 8%;
  width: 84%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--magenta), transparent);
  transform: skewX(-24deg);
}

.page-faq .faq-contact-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 48px;
  position: relative;
  z-index: 1;
}

.page-faq .faq-contact-copy {
  flex: 1 1 400px;
}

.page-faq .faq-contact-copy h2 {
  margin: 8px 0 14px;
  font-family: var(--font-head);
  font-size: 32px;
  line-height: 1.15;
}

.page-faq .faq-contact-copy > p {
  margin: 0 0 28px;
  max-width: 520px;
  color: var(--gray-light);
}

.page-faq .faq-contact-list {
  margin: 0 0 30px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-contact-list li {
  display: flex;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px dashed rgba(176, 183, 195, 0.25);
}

.page-faq .faq-contact-label {
  flex: 0 0 88px;
  color: var(--gray-light);
  font-size: 14px;
}

.page-faq .faq-contact-value {
  min-width: 0;
  color: var(--white);
  font-size: 15px;
  font-weight: 600;
  overflow-wrap: anywhere;
}

.page-faq .faq-contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-contact-figure {
  flex: 1 1 360px;
  margin: 0;
}

.page-faq .faq-contact-figure img {
  display: block;
  width: 100%;
  max-width: 600px;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid rgba(0, 229, 255, 0.3);
  border-radius: var(--radius-cut);
  box-shadow: var(--shadow-pop);
}

/* ---------- 桌面端增强 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: calc(var(--header-h) + 84px) 32px 72px;
  }

  .page-faq .faq-layout {
    padding-right: 32px;
    padding-left: 32px;
  }

  .page-faq .faq-contact {
    padding: 88px 32px;
  }

  .page-faq .faq-hero-copy h1 {
    font-size: 52px;
  }

  .page-faq .faq-questions {
    padding: 36px 32px;
  }
}