.page-faq {
  --faq-glow-cyan: rgba(0, 229, 255, 0.14);
  --faq-glow-purple: rgba(157, 78, 221, 0.16);
  --faq-glow-orange: rgba(255, 158, 0, 0.12);
  background:
    radial-gradient(ellipse at 85% 18%, rgba(157, 78, 221, 0.14), transparent 55%),
    radial-gradient(ellipse at 8% 82%, rgba(0, 229, 255, 0.1), transparent 50%),
    var(--bg-deep);
}

.page-faq .breadcrumb {
  margin-bottom: var(--space-md);
  font-size: 0.875rem;
}

/* 顶部横幅 */
.page-faq .faq-hero {
  display: grid;
  gap: var(--space-lg);
  padding: var(--space-lg) var(--space-md);
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border);
  background:
    linear-gradient(135deg, rgba(0, 229, 255, 0.08), transparent 45%),
    var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: relative;
  overflow: hidden;
  margin-bottom: var(--space-xxl);
  transition: box-shadow var(--ease-slow);
}

.page-faq .faq-hero:hover {
  box-shadow: 0 0 40px rgba(0, 229, 255, 0.08);
}

.page-faq .faq-hero-copy {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.page-faq .faq-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 5vw, 3.25rem);
  font-weight: 900;
  line-height: 1.15;
  margin: 0;
  background: linear-gradient(115deg, #E6EAF2 30%, #00E5FF 58%, #9D4EDD 92%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  max-width: 16ch;
}

.page-faq .faq-hero-desc {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-secondary);
  max-width: 54ch;
  margin: 0;
}

/* 快速跳转胶囊 */
.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-xs);
}

.page-faq .faq-jump-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.5rem 1rem;
  border-radius: 999px;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--glass-border);
  text-decoration: none;
  transition: border-color var(--ease-standard), box-shadow var(--ease-standard), transform var(--ease-standard);
}

.page-faq .faq-jump-link:hover,
.page-faq .faq-jump-link:focus-visible {
  border-color: var(--blue-electric);
  box-shadow: 0 0 0 3px var(--faq-glow-cyan);
  transform: translateY(-2px);
}

/* 横幅图片 */
.page-faq .faq-hero-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  object-fit: cover;
  display: block;
  border: 1px solid var(--glass-border);
}

/* 高频问题列表区 */
.page-faq .faq-section {
  margin-bottom: var(--space-xxl);
}

.page-faq .faq-section-head {
  margin-bottom: var(--space-lg);
}

.page-faq .faq-section-head h2,
.page-faq .faq-process h2,
.page-faq .faq-support h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 900;
  margin: var(--space-sm) 0 var(--space-xs);
  color: var(--text-primary);
}

.page-faq .faq-section-head p {
  color: var(--text-secondary);
  margin: 0;
  font-size: 0.95rem;
}

/* 卡片网格 */
.page-faq .faq-grid {
  display: grid;
  gap: var(--space-lg);
}

/* 主题卡片 */
.page-faq .faq-topic {
  padding: var(--space-lg) var(--space-md);
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform var(--ease-standard), box-shadow var(--ease-standard);
}

.page-faq .faq-topic:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.28), 0 0 20px var(--faq-glow-cyan);
}

.page-faq .faq-topic-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.page-faq .faq-topic-head h3 {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  margin: 0;
  color: var(--text-primary);
}

/* 彩色胶囊标签 */
.page-faq .tag-easy {
  background: rgba(0, 229, 255, 0.16);
  color: #00E5FF;
  border: 1px solid rgba(0, 229, 255, 0.3);
}

.page-faq .tag-record {
  background: rgba(157, 78, 221, 0.18);
  color: #c084fc;
  border: 1px solid rgba(157, 78, 221, 0.35);
}

.page-faq .tag-feedback {
  background: rgba(255, 158, 0, 0.16);
  color: #FF9E00;
  border: 1px solid rgba(255, 158, 0, 0.3);
}

.page-faq .tag-upgrade {
  background: rgba(255, 61, 113, 0.14);
  color: #ff7094;
  border: 1px solid rgba(255, 61, 113, 0.3);
}

/* 折叠面板 */
.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.page-faq .faq-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.page-faq .faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-sm) 0;
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--text-primary);
  transition: color var(--ease-standard);
}

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

.page-faq .faq-item summary::after {
  content: "+";
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.08);
  color: var(--blue-electric);
  font-weight: 700;
  font-size: 1.125rem;
  line-height: 1;
  transition: transform var(--ease-standard), background var(--ease-standard), border-color var(--ease-standard);
}

.page-faq .faq-item details[open] summary {
  color: var(--blue-electric);
}

.page-faq .faq-item details[open] summary::after {
  transform: rotate(45deg);
  background: rgba(0, 229, 255, 0.18);
  border-color: rgba(0, 229, 255, 0.4);
}

.page-faq .faq-answer {
  padding: 0 0 var(--space-md);
  animation: faq-fade-in var(--ease-standard);
}

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

.page-faq .faq-answer p {
  font-size: 0.925rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin: 0;
  padding-left: var(--space-sm);
  border-left: 2px solid rgba(0, 229, 255, 0.35);
}

.page-faq .faq-topic-link {
  display: inline-block;
  margin-top: var(--space-md);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--blue-electric);
  text-decoration: none;
  transition: transform var(--ease-standard), color var(--ease-standard);
}

.page-faq .faq-topic-link:hover {
  transform: translateX(4px);
  color: #66eaff;
}

/* 反馈中心说明 */
.page-faq .faq-process {
  display: grid;
  gap: var(--space-lg);
  padding: var(--space-lg) var(--space-md);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0, 229, 255, 0.22);
  background:
    radial-gradient(circle at 92% 8%, var(--faq-glow-purple), transparent 55%),
    radial-gradient(circle at 8% 92%, var(--faq-glow-cyan), transparent 50%),
    var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  margin-bottom: var(--space-xxl);
}

.page-faq .faq-process-copy {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.page-faq .faq-process-copy > p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0;
}

/* 编号规则代码块 */
.page-faq .faq-code-box {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  background: rgba(10, 14, 26, 0.82);
  border: 1px solid rgba(0, 229, 255, 0.18);
}

.page-faq .faq-code-label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-electric);
}

.page-faq .faq-code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  background: transparent;
}

.page-faq .faq-code-desc {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* 处理状态列表 */
.page-faq .faq-status-list {
  list-style: none;
  margin: var(--space-sm) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-sm);
}

.page-faq .faq-status-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.9rem;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.875rem;
  border-left: 3px solid transparent;
  line-height: 1.5;
}

.page-faq .faq-status-item span {
  font-family: var(--font-heading);
  font-weight: 700;
  white-space: nowrap;
}

.page-faq .status-received {
  border-left-color: #00E5FF;
}

.page-faq .status-review {
  border-left-color: #9D4EDD;
}

.page-faq .status-working {
  border-left-color: #FF9E00;
}

.page-faq .status-solved {
  border-left-color: #E6EAF2;
}

.page-faq .status-more {
  border-left-color: #FF3D71;
}

.page-faq .faq-process-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  object-fit: cover;
  display: block;
  border: 1px solid var(--glass-border);
}

/* 联系支持区 */
.page-faq .faq-support {
  display: grid;
  gap: var(--space-lg);
  padding: var(--space-lg) var(--space-md);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 158, 0, 0.22);
  background:
    linear-gradient(145deg, rgba(255, 158, 0, 0.08), transparent 42%),
    var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  margin-bottom: var(--space-xxl);
}

.page-faq .faq-support-copy {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.page-faq .faq-support-copy p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0;
}

.page-faq .faq-email-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-sm);
}

.page-faq .faq-email-list li {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
  font-size: 0.925rem;
}

.page-faq .faq-email-list span {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--text-secondary);
  letter-spacing: 0.06em;
}

.page-faq .faq-email-list a {
  color: var(--blue-electric);
  text-decoration: none;
  border-bottom: 1px dashed rgba(0, 229, 255, 0.4);
  transition: border-color var(--ease-standard);
}

.page-faq .faq-email-list a:hover {
  border-color: var(--blue-electric);
}

.page-faq .faq-support .btn-primary {
  align-self: flex-start;
  margin-top: var(--space-xs);
}

/* 相关页面 */
.page-faq .faq-related {
  padding: var(--space-md);
  border-radius: var(--radius-md);
  background: rgba(10, 14, 26, 0.5);
  border: 1px solid var(--glass-border);
}

.page-faq .faq-related h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  margin: 0 0 var(--space-sm);
  color: var(--text-primary);
}

.page-faq .faq-related ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-xs);
}

.page-faq .faq-related a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  display: inline-block;
  padding: var(--space-xs) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: color var(--ease-standard), padding-left var(--ease-standard);
}

.page-faq .faq-related a:hover {
  color: var(--blue-electric);
  padding-left: 4px;
}

/* 桌面端布局 */
@media (min-width: 768px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
    padding: var(--space-xl);
  }

  .page-faq .faq-process {
    grid-template-columns: minmax(0, 1fr) minmax(0, 420px);
    align-items: center;
    padding: var(--space-xl);
  }

  .page-faq .faq-support {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: start;
    padding: var(--space-xl);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }

  .page-faq .faq-topic:nth-child(even) {
    transform: translateY(24px);
  }

  .page-faq .faq-topic:nth-child(even):hover {
    transform: translateY(20px);
  }
}