.page-faq {
  --faq-light-bg: #EFF2F7;
  --faq-light-border: #DCE1E8;
  --faq-text-strong: #222A38;
  --faq-text-muted: #5E6A7E;
  --faq-shadow: 0 10px 24px rgba(26, 31, 46, 0.18);
  background: var(--color-page);
  color: var(--text);
  font-family: var(--font-body);
  overflow: hidden;
}

.page-faq img {
  max-width: 100%;
  height: auto;
}

/* ===== 页头 ===== */
.page-faq .page-faq__hero {
  padding-top: calc(var(--header-h) + 32px);
  padding-bottom: 36px;
  position: relative;
  border-bottom: 4px solid var(--color-orange-end);
}

.page-faq__hero::before,
.page-faq__hero::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.page-faq__hero::before {
  right: 5%;
  top: 28%;
  width: 130px;
  height: 130px;
  border: 3px dashed rgba(255, 184, 0, 0.30);
}

.page-faq__hero::after {
  right: calc(5% + 36px);
  top: calc(28% + 36px);
  width: 58px;
  height: 58px;
  background: rgba(255, 122, 0, 0.10);
}

.page-faq__hero .breadcrumb {
  position: relative;
  z-index: 1;
}

.page-faq__hero-kicker {
  display: inline-block;
  background: var(--gradient-heat);
  color: var(--text-invert);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  padding: 5px 14px;
  border-radius: 999px;
  margin: 12px 0 14px;
}

.page-faq__hero .page-hero__title {
  font-family: var(--font-head);
  font-size: 1.625rem;
  line-height: 1.3;
  max-width: 640px;
  position: relative;
  z-index: 1;
  margin-bottom: 0;
}

.page-faq__hero .page-hero__lead {
  color: var(--text-dim);
  font-size: 0.875rem;
  line-height: 1.7;
  max-width: 620px;
  margin-top: 10px;
  position: relative;
  z-index: 1;
}

/* ===== 区块公共标题 ===== */
.page-faq__section-head {
  margin-bottom: 24px;
}

.page-faq__section-head h2 {
  font-family: var(--font-head);
  font-size: 1.375rem;
  line-height: 1.25;
  margin-bottom: 8px;
}

.page-faq__section-head > p {
  font-size: 0.875rem;
  opacity: 0.75;
  max-width: 520px;
  line-height: 1.6;
}

/* ===== 快速上手步骤条 ===== */
.page-faq__quickstart {
  background: linear-gradient(135deg, var(--color-orange-start), var(--color-orange-end));
  padding: 44px 0 48px;
  position: relative;
  overflow: hidden;
}

.page-faq__quickstart::before {
  content: '';
  position: absolute;
  left: -40px;
  bottom: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 18px solid rgba(255, 255, 255, 0.12);
  pointer-events: none;
}

.page-faq__quickstart .page-faq__section-head h2 {
  color: var(--text-invert);
}

.page-faq__quickstart .page-faq__section-head > p {
  color: rgba(26, 31, 46, 0.75);
}

.page-faq__quickstart-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: stretch;
}

.page-faq__quickstart-steps {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-faq__step {
  position: relative;
  background: #FFFFFF;
  border-radius: var(--radius);
  box-shadow: var(--faq-shadow);
  padding: 20px 16px;
}

.page-faq__step-num {
  position: absolute;
  top: 12px;
  right: 14px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.375rem;
  color: rgba(255, 122, 0, 0.28);
}

.page-faq__step-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: #F3F5F8;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}

.page-faq__step .steps__title {
  font-family: var(--font-head);
  font-size: 1rem;
  color: var(--text-invert);
  margin-bottom: 6px;
}

.page-faq__step .steps__text p {
  font-size: 0.8125rem;
  color: #4A5568;
  line-height: 1.6;
}

.page-faq__step:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -22px;
  transform: translateX(-50%);
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 8px solid #FFFFFF;
  z-index: 2;
}

.page-faq__quickstart-figure {
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.22);
  padding: 10px;
  margin: 0;
}

.page-faq__quickstart-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius) - 4px);
}

.page-faq__quickstart-figure figcaption {
  text-align: center;
  color: var(--text-invert);
  font-size: 0.75rem;
  padding: 8px 0 2px;
  font-weight: 600;
}

.page-faq__quickstart-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.page-faq__btn-solid {
  background: var(--text-invert);
  color: #FFFFFF;
  border: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.16);
}

.page-faq__btn-ghost {
  background: rgba(255, 255, 255, 0.16);
  color: var(--text-invert);
  border: 2px solid rgba(26, 31, 46, 0.35);
  backdrop-filter: blur(4px);
}

/* ===== 搜索与筛选操作台 ===== */
.page-faq__console {
  background: var(--color-panel);
  padding: 48px 0;
}

.page-faq__console-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-faq__console-card {
  background: var(--color-page);
  border-radius: var(--radius);
  border-top: 5px solid var(--color-gray);
  padding: 18px;
}

.page-faq__console-card h3 {
  font-family: var(--font-head);
  font-size: 1.0625rem;
  margin-bottom: 14px;
}

.page-faq__console-card > p {
  color: var(--text-dim);
  font-size: 0.8125rem;
  margin-top: 12px;
  line-height: 1.6;
}

.page-faq__console-card--search {
  border-top-color: var(--color-red);
}

.page-faq__console-card--filter {
  border-top-color: var(--color-blue);
}

.page-faq__console-card--cloud {
  border-top-color: var(--color-tool);
}

.page-faq__console-card--stats {
  border-top-color: var(--color-accent);
}

.page-faq__console-card .tag {
  background: var(--color-panel);
  color: var(--text);
  border: 1px solid var(--border);
  margin: 4px;
}

.page-faq__console-card--cloud .tag-cloud {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.page-faq__console-card--cloud .tag--lg {
  padding: 8px 16px;
  font-size: 1rem;
}

.page-faq__console-card--cloud .tag--md {
  padding: 6px 12px;
  font-size: 0.875rem;
}

.page-faq__console-card--cloud .tag--sm {
  padding: 4px 8px;
  font-size: 0.75rem;
}

.page-faq__console-card--cloud .tag:nth-child(4n+1) {
  background: rgba(0, 194, 168, 0.18);
  border-color: rgba(0, 194, 168, 0.30);
}

.page-faq__console-card--cloud .tag:nth-child(4n+2) {
  background: rgba(155, 92, 255, 0.18);
  border-color: rgba(155, 92, 255, 0.30);
}

.page-faq__console-card--cloud .tag:nth-child(4n+3) {
  background: rgba(255, 212, 0, 0.16);
  border-color: rgba(255, 212, 0, 0.28);
}

.page-faq__console-card--cloud .tag:nth-child(4n+4) {
  background: rgba(57, 255, 136, 0.14);
  border-color: rgba(57, 255, 136, 0.25);
}

.page-faq__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin: 0;
}

.page-faq__stat {
  background: var(--color-panel);
  border-radius: var(--radius-sm);
  padding: 12px;
  text-align: center;
}

.page-faq__stat dt {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.page-faq__stat-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--color-accent);
}

.page-faq__stat:nth-child(2) .page-faq__stat-num {
  color: var(--color-android);
}

.page-faq__stat:nth-child(3) .page-faq__stat-num {
  color: var(--color-ios);
}

.page-faq__stat:nth-child(4) .page-faq__stat-num {
  color: var(--color-tool);
}

.page-faq__status-bars {
  display: flex;
  gap: 6px;
  margin-top: 12px;
}

.page-faq__status-bar {
  flex: 1;
  text-align: center;
  border-radius: var(--radius-sm);
  padding: 8px 6px;
  font-size: 0.75rem;
  line-height: 1.4;
}

.page-faq__status-bar--updated {
  background: rgba(45, 107, 255, 0.15);
  color: var(--color-blue);
}

.page-faq__status-bar--outdated {
  background: rgba(255, 59, 59, 0.15);
  color: var(--color-red);
}

.page-faq__status-bar--archived {
  background: rgba(154, 165, 181, 0.18);
  color: var(--color-gray);
}

.page-faq__status-bar strong {
  font-family: var(--font-mono);
  display: block;
  font-size: 0.9375rem;
}

/* ===== 常见问题卡片 ===== */
.page-faq__faq {
  background: var(--color-page);
  padding: 48px 0;
}

.page-faq__faq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-faq__faq-card {
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.page-faq__faq-card .card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.page-faq__faq-card .card__title {
  font-family: var(--font-head);
  font-size: 1.0625rem;
  margin-bottom: 10px;
}

.page-faq__faq-card .card__text {
  color: #4A5568;
  font-size: 0.8125rem;
  line-height: 1.65;
  margin-bottom: 14px;
}

.page-faq__faq-link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: 0.8125rem;
  color: var(--color-android);
  text-decoration: none;
}

.page-faq__faq-link:hover {
  color: var(--color-ios);
}

.page-faq .page-faq__bar--red {
  background: var(--color-red);
}

.page-faq .page-faq__bar--blue {
  background: var(--color-blue);
}

.page-faq .page-faq__bar--gray {
  background: var(--color-gray);
}

.page-faq .page-faq__bar--cyan {
  background: var(--tag-two);
}

.page-faq .page-faq__bar--accent {
  background: var(--color-accent);
}

/* ===== 安装指引折叠面板 ===== */
.page-faq__install {
  background: var(--faq-light-bg);
  padding: 48px 0;
  color: var(--faq-text-strong);
}

.page-faq__install .page-faq__section-head h2 {
  color: var(--faq-text-strong);
}

.page-faq__install .page-faq__section-head > p {
  color: var(--faq-text-muted);
}

.page-faq__install-stripe {
  display: block;
  width: 100%;
  max-width: 600px;
  height: auto;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
}

.page-faq__accordion {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-faq__accordion-item {
  background: #FFFFFF;
  border-radius: var(--radius);
  box-shadow: 0 4px 14px rgba(26, 31, 46, 0.08);
  overflow: hidden;
}

.page-faq__accordion-item summary {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 16px 18px;
  cursor: pointer;
  transition: background 0.2s ease;
}

.page-faq__accordion-item summary:hover {
  background: #F8FAFC;
}

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

.page-faq__accordion-item--android summary {
  border-left: 4px solid var(--color-android);
}

.page-faq__accordion-item--ios summary {
  border-left: 4px solid var(--color-ios);
}

.page-faq__accordion-item--tool summary {
  border-left: 4px solid var(--color-tool);
}

.page-faq__accordion-item--guide summary {
  border-left: 4px solid var(--color-blue);
}

.page-faq__accordion-item--log summary {
  border-left: 4px solid var(--color-orange-start);
}

.page-faq__accordion-tag {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8125rem;
  color: #FFFFFF;
}

.page-faq__accordion-tag--android {
  background: var(--color-android);
}

.page-faq__accordion-tag--ios {
  background: var(--color-ios);
}

.page-faq__accordion-tag--tool {
  background: var(--color-tool);
  color: var(--text-invert);
}

.page-faq__accordion-tag--guide {
  background: var(--color-blue);
}

.page-faq__accordion-tag--log {
  background: var(--gradient-heat);
  color: var(--text-invert);
}

.page-faq__accordion-title {
  flex: 1 1 140px;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--faq-text-strong);
}

.page-faq__accordion-version {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: #4A5568;
  background: #F0F2F5;
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

.page-faq__accordion-arrow {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: #F3F5F8;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-orange-start);
  font-weight: 700;
  font-size: 0.9375rem;
  transition: transform 0.2s ease, background 0.2s ease;
}

.page-faq__accordion-item[open] .page-faq__accordion-arrow {
  transform: rotate(45deg);
  background: var(--gradient-heat);
  color: var(--text-invert);
}

.page-faq__accordion-content {
  border-top: 1px dashed var(--faq-light-border);
  padding: 14px 18px 18px;
}

.page-faq__steps-list {
  counter-reset: faq-step;
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-faq__steps-list li {
  counter-increment: faq-step;
  position: relative;
  padding: 6px 0 6px 30px;
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--faq-text-strong);
}

.page-faq__steps-list li::before {
  content: counter(faq-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 7px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.75rem;
  color: var(--color-orange-start);
}

.page-faq__accordion-note {
  margin: 12px 0 0;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 0.75rem;
  background: #F7F9FB;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  color: var(--faq-text-muted);
}

.page-faq__accordion-note span:first-child {
  font-weight: 600;
}

/* ===== 反馈与处理时效 ===== */
.page-faq__feedback {
  background: var(--color-panel);
  padding: 48px 0;
}

.page-faq__feedback-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-faq__feedback-timeline {
  position: relative;
  padding-left: 56px;
}

.page-faq__feedback-timeline::before {
  content: '';
  position: absolute;
  left: 22px;
  top: 10px;
  bottom: 10px;
  width: 3px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--color-orange-start) 0%, var(--color-accent) 60%, var(--color-android) 100%);
}

.page-faq__feedback-node {
  position: relative;
  padding-bottom: 28px;
}

.page-faq__feedback-node:last-child {
  padding-bottom: 0;
}

.page-faq__feedback-dot {
  position: absolute;
  left: -45px;
  top: 2px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.6875rem;
  background: var(--color-panel);
  border: 2px solid var(--color-orange-start);
  color: var(--color-orange-start);
}

.page-faq__feedback-node:nth-child(2) .page-faq__feedback-dot {
  border-color: var(--color-blue);
  color: var(--color-blue);
}

.page-faq__feedback-node:nth-child(3) .page-faq__feedback-dot {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.page-faq__feedback-node:nth-child(4) .page-faq__feedback-dot {
  border-color: var(--color-android);
  color: var(--color-android);
}

.page-faq__feedback-title {
  font-weight: 600;
  color: var(--text);
  font-size: 0.9375rem;
  margin-bottom: 4px;
}

.page-faq__feedback-text {
  color: var(--text-dim);
  font-size: 0.8125rem;
  line-height: 1.65;
}

.page-faq__feedback-contact {
  background: var(--color-page);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 260px;
}

.page-faq__feedback-contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--color-orange-start), var(--color-tool), var(--color-accent));
  border-radius: var(--radius) var(--radius) 0 0;
}

.page-faq__feedback-contact h3 {
  font-family: var(--font-head);
  font-size: 1.125rem;
  margin-bottom: 14px;
}

.page-faq__feedback-label {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin: 14px 0 4px;
}

.page-faq__feedback-value {
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 500;
  word-break: break-all;
}

.page-faq__feedback-contact .btn {
  margin-top: 22px;
  align-self: flex-start;
}

/* ===== 平板 ＝==== */
@media (min-width: 768px) {
  .page-faq__hero .page-hero__title {
    font-size: 1.75rem;
  }

  .page-faq__quickstart-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .page-faq__step:not(:last-child)::after {
    left: auto;
    bottom: auto;
    top: 50%;
    right: -20px;
    transform: translateY(-50%);
    border-left: 10px solid #FFFFFF;
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
    border-right: none;
  }

  .page-faq__console-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }

  .page-faq__faq-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }

  .page-faq__accordion {
    gap: 14px;
  }
}

/* ===== 桌面 ===== */
@media (min-width: 1024px) {
  .page-faq__hero {
    padding-top: calc(var(--header-h) + 56px);
    padding-bottom: 48px;
  }

  .page-faq__quickstart-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    align-items: center;
    gap: 28px;
  }

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

  .page-faq__feedback-grid {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 40px;
  }

  .page-faq__feedback-timeline {
    padding-left: 64px;
  }

  .page-faq__feedback-dot {
    left: -51px;
    width: 28px;
    height: 28px;
  }

  .page-faq__feedback-timeline::before {
    left: 24px;
  }
}