.page-faq {
  --faq-card-radius: var(--radius-md);
  --faq-gap: 24px;
  --faq-navy-soft: rgba(29, 53, 87, 0.04);
  background: var(--bg-body);
}

/* 面包屑 */
.page-faq .breadcrumb {
  padding-top: 18px;
}

.page-faq .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-secondary);
}

.page-faq .breadcrumb-list a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-fast) var(--ease);
}

.page-faq .breadcrumb-list a:hover {
  border-color: var(--accent);
}

.page-faq .breadcrumb-list [aria-current="page"] {
  color: var(--text-primary);
  font-weight: 700;
}

/* Hero 搜索支持 */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 40px 0 56px;
  background:
    radial-gradient(circle at 92% 18%, rgba(242, 193, 78, 0.28) 0, rgba(242, 193, 78, 0) 220px),
    linear-gradient(180deg, #ffffff 0%, var(--bg-body) 100%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(115deg, rgba(74, 85, 104, 0.06) 0 1px, transparent 1px 18px),
    repeating-linear-gradient(25deg, rgba(74, 85, 104, 0.04) 0 1px, transparent 1px 24px);
  pointer-events: none;
}

.page-faq .faq-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero-copy .section-kicker,
.page-faq .faq-section-head .section-kicker {
  margin-bottom: 12px;
}

.page-faq .faq-hero-copy h1 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(34px, 6vw, 58px);
  line-height: 1.05;
  letter-spacing: 0.01em;
  color: var(--text-primary);
  max-width: 12ch;
}

.page-faq .faq-hero-lead {
  margin: 0 0 28px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--text-secondary);
  max-width: 56ch;
}

.page-faq .faq-search-box {
  background: var(--bg-card);
  border: var(--line);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: 0 12px 40px rgba(26, 32, 44, 0.06);
  max-width: 620px;
}

.page-faq .faq-search-box label {
  display: block;
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.page-faq .faq-search-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .faq-search-input {
  flex: 1;
  min-width: 0;
  padding: 13px 16px;
  border: 1px solid var(--c-mist);
  border-radius: var(--radius-sm);
  background: var(--c-cream);
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--text-primary);
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}

.page-faq .faq-search-input::placeholder {
  color: var(--text-secondary);
  opacity: 0.62;
}

.page-faq .faq-search-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(217, 108, 79, 0.18);
}

.page-faq .faq-search-btn {
  white-space: nowrap;
}

.page-faq .faq-search-hint {
  margin: 12px 0 0;
  font-size: 13px;
  color: var(--text-secondary);
}

/* Hero 右侧服务状态面板 */
.page-faq .faq-hero-panel {
  border: var(--line);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  box-shadow: 0 16px 48px rgba(26, 32, 44, 0.08);
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.page-faq .faq-hero-panel::after {
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: rgba(107, 142, 78, 0.08);
}

.page-faq .faq-panel-status {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--c-mist);
}

.page-faq .faq-status-light {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 4px rgba(107, 142, 78, 0.2);
}

.page-faq .faq-status-text {
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--text-primary);
}

.page-faq .faq-hero-meta {
  display: grid;
  gap: 14px;
  margin: 0;
}

.page-faq .faq-hero-meta div {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.page-faq .faq-hero-meta dt {
  font-size: 14px;
  color: var(--text-secondary);
}

.page-faq .faq-hero-meta dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
}

.page-faq .faq-hero-note {
  margin: 22px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--c-gold);
  background: var(--faq-navy-soft);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* 配置指南区块 */
.page-faq .faq-config-section {
  background: var(--bg-card);
  border-top: var(--line);
  border-bottom: var(--line);
}

.page-faq .faq-section-head {
  margin-bottom: 32px;
  display: grid;
  gap: 8px;
  justify-items: start;
}

.page-faq .faq-section-head .section-title {
  margin: 0;
}

.page-faq .faq-section-head .section-subtitle {
  max-width: 58ch;
  margin: 0;
}

.page-faq .faq-config-figure {
  margin: 0 0 32px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: var(--line);
  background: var(--c-cream);
}

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

.page-faq .faq-config-figure figcaption {
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-secondary);
  border-top: var(--line);
}

/* 分段控制 */
.page-faq .faq-tabs-wrap {
  padding: 20px;
  border-radius: var(--radius-lg);
  background: var(--c-cream);
  border: var(--line);
}

.page-faq .faq-tab-input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.page-faq .faq-device-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  background: var(--c-navy);
  border-radius: var(--radius-pill);
  padding: 6px;
  width: fit-content;
  max-width: 100%;
}

.page-faq .faq-tab-label {
  display: inline-block;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  color: var(--c-cream);
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.05em;
  line-height: 1.2;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}

.page-faq .faq-tab-input:checked + .faq-tab-label {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 6px 16px rgba(217, 108, 79, 0.32);
}

.page-faq .faq-tab-input:focus-visible + .faq-tab-label {
  outline: 2px solid var(--c-gold);
  outline-offset: 3px;
}

.page-faq .faq-device-panel {
  display: none;
}

.page-faq #faq-dev-ios:checked ~ .faq-device-panels > .faq-device-ios,
.page-faq #faq-dev-android:checked ~ .faq-device-panels > .faq-device-android,
.page-faq #faq-dev-pc:checked ~ .faq-device-panels > .faq-device-pc {
  display: block;
}

/* 每个设备面板 */
.page-faq .faq-panel-intro {
  display: grid;
  gap: 12px;
  padding: 24px 0 20px;
  border-bottom: var(--line);
  margin-bottom: 20px;
}

.page-faq .faq-panel-intro h3 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--text-primary);
}

.page-faq .faq-panel-intro p {
  margin: 0;
  max-width: 58ch;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.7;
}

.page-faq .faq-guide-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
}

.page-faq .faq-guide-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px;
  border: var(--line);
  border-radius: var(--faq-card-radius);
  background: var(--bg-card);
  transition: transform var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease), border-color var(--dur-base) var(--ease);
}

.page-faq .faq-guide-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 36px rgba(26, 32, 44, 0.08);
  border-color: rgba(217, 108, 79, 0.4);
}

.page-faq .faq-guide-index {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.06em;
}

.page-faq .faq-guide-card h4 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--text-primary);
  line-height: 1.35;
}

.page-faq .faq-guide-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-secondary);
}

.page-faq .faq-guide-card .site-tag {
  align-self: flex-start;
}

.page-faq .faq-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-fast) var(--ease);
}

.page-faq .faq-card-link:hover {
  border-color: var(--accent);
}

/* FAQ 手风琴区块 */
.page-faq .faq-accordion-section {
  background: var(--bg-body);
}

.page-faq .faq-faq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: start;
}

.page-faq .faq-section-head-left {
  margin-bottom: 8px;
}

.page-faq .faq-accordion-wrap {
  display: grid;
  gap: 12px;
}

.page-faq .faq-accordion-item {
  border: var(--line);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  overflow: hidden;
  transition: box-shadow var(--dur-base) var(--ease);
}

.page-faq .faq-accordion-item[open] {
  box-shadow: 0 10px 30px rgba(26, 32, 44, 0.06);
}

.page-faq .faq-accordion-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--text-primary);
}

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

.page-faq .faq-accordion-item summary::after {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  border-radius: 50%;
  background: var(--c-cream);
  border: var(--line);
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  transition: transform var(--dur-base) var(--ease), background var(--dur-base) var(--ease);
}

.page-faq .faq-accordion-item[open] summary::after {
  content: "−";
  transform: rotate(180deg);
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.page-faq .faq-accordion-item summary:hover {
  background: var(--faq-navy-soft);
}

.page-faq .faq-accordion-body {
  padding: 0 20px 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-secondary);
}

.page-faq .faq-accordion-body p {
  margin: 0;
}

/* FAQ 侧栏 */
.page-faq .faq-side-panel {
  display: grid;
  gap: 16px;
  padding: 24px;
  border: var(--line);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  box-shadow: 0 12px 36px rgba(26, 32, 44, 0.05);
}

.page-faq .faq-side-img-wrap {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: var(--line);
  background: var(--c-cream);
}

.page-faq .faq-side-img-wrap img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

.page-faq .faq-side-panel h3 {
  margin: 4px 0 0;
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--text-primary);
}

.page-faq .faq-platform-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-platform-list li {
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: var(--c-cream);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-primary);
  border: 1px solid var(--c-mist);
}

.page-faq .faq-side-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* 反馈状态区块 */
.page-faq .faq-feedback {
  background: var(--c-navy);
  color: var(--c-cream);
  position: relative;
  overflow: hidden;
}

.page-faq .faq-feedback::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--c-gold) 45%, var(--success) 100%);
}

.page-faq .faq-feedback::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -80px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: rgba(242, 193, 78, 0.07);
}

.page-faq .faq-feedback-panel {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  padding: 24px 0;
}

.page-faq .faq-feedback-copy .section-kicker {
  color: var(--c-gold);
}

.page-faq .faq-feedback-copy h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.1;
  color: var(--c-cream);
}

.page-faq .faq-feedback-lead {
  margin: 0 0 24px;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(249, 246, 240, 0.78);
}

.page-faq .faq-priority-list {
  display: grid;
  gap: 14px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-priority-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.page-faq .faq-priority-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}

.page-faq .faq-priority-list strong {
  display: block;
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: 0.02em;
  color: var(--c-cream);
  margin-bottom: 3px;
}

.page-faq .faq-priority-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(249, 246, 240, 0.72);
}

.page-faq .faq-feedback-copy .site-btn {
  display: inline-flex;
  align-items: center;
}

.page-faq .faq-feedback-meta {
  margin: 18px 0 0;
  font-size: 13px;
  font-family: var(--font-mono);
  color: rgba(249, 246, 240, 0.58);
}

.page-faq .faq-stat-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  align-content: center;
}

.page-faq .faq-stat-grid .stat-panel {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 22px;
}

.page-faq .faq-stat-grid .stat-panel-label {
  color: var(--c-gold);
  font-size: 13px;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.page-faq .faq-stat-grid .stat-panel-value {
  display: block;
  font-family: var(--font-display);
  font-size: 40px;
  line-height: 1.1;
  color: var(--c-cream);
  margin: 6px 0 4px;
}

.page-faq .faq-stat-grid .stat-panel-desc {
  color: rgba(249, 246, 240, 0.68);
  font-size: 14px;
}

/* 桌面端布局 */
@media (min-width: 720px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
    gap: 48px;
  }

  .page-faq .faq-search-row {
    flex-direction: row;
  }

  .page-faq .faq-guide-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-faq .faq-faq-grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(280px, 0.6fr);
    gap: 40px;
  }

  .page-faq .faq-feedback-panel {
    grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
    padding: 48px 0;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-hero {
    padding-top: 56px;
  }

  .page-faq .faq-guide-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .faq-device-panel {
    padding-top: 24px;
  }

  .page-faq .faq-stat-grid {
    grid-template-columns: 1fr;
  }
}