.page-faq {
  --faq-card-line: rgba(255, 255, 255, .14);
  color: var(--text-light);
}

.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: border-box;
}

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

.page-faq a {
  color: var(--accent-blue);
}

/* ===== 页首 ===== */
.page-faq .faq-hero {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 28px 20px 12px;
}

.page-faq .faq-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

.page-faq .faq-hero h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(30px, 5vw, 44px);
  letter-spacing: -0.02em;
  color: #fff;
  margin: 16px 0 10px;
}

.page-faq .faq-hero-summary {
  max-width: 760px;
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-light);
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.page-faq .faq-hero-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 14px;
  border: 2px solid transparent;
  text-decoration: none;
  transition: background .2s ease, border-color .2s ease;
}

.page-faq .faq-hero-btn--primary {
  background: var(--accent-yellow);
  color: var(--text-dark);
}

.page-faq .faq-hero-btn--ghost {
  border-color: var(--border-gray);
  color: var(--text-light);
}

.page-faq .faq-hero-btn--ghost:hover {
  border-color: var(--accent-yellow);
}

/* ===== 分区基础 ===== */
.page-faq .faq-section {
  padding: 36px 20px 40px;
  margin-top: 20px;
}

.page-faq .faq-section--green {
  background: var(--bg-green);
}

.page-faq .faq-section--navy {
  background: var(--bg-navy);
}

.page-faq .faq-section--deep {
  background: var(--panel);
  border-top: 1px solid var(--border-gray);
  border-bottom: 1px solid var(--border-gray);
}

.page-faq .faq-section--maroon {
  background: var(--bg-maroon);
}

.page-faq .faq-section--amber {
  background: var(--bg-amber);
  color: var(--text-dark);
}

.page-faq .faq-section-head,
.page-faq .faq-section-lede {
  max-width: var(--content-width);
  margin-right: auto;
  margin-left: auto;
}

.page-faq .faq-section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 12px;
  margin-bottom: 22px;
}

.page-faq .faq-section-head h2 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(24px, 4vw, 32px);
  color: #fff;
  margin: 0;
}

.page-faq .faq-section-more {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  white-space: nowrap;
}

.page-faq .faq-section-lede {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-light);
  margin-bottom: 22px;
}

.page-faq .faq-section--amber .faq-section-head h2 {
  color: var(--text-dark);
}

.page-faq .faq-section--amber .faq-section-more {
  color: rgba(26, 26, 26, .62);
}

.page-faq .faq-section--amber .faq-section-lede {
  color: rgba(26, 26, 26, .8);
}

/* ===== 快速上手 ===== */
.page-faq .faq-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  max-width: var(--content-width);
  margin: 0 auto;
}

.page-faq .faq-step {
  position: relative;
  display: flex;
  flex-direction: column;
  background: rgba(0, 0, 0, .22);
  border: 1px solid var(--faq-card-line);
  border-radius: var(--radius-lg);
  padding: 22px 20px 20px;
  transition: transform .22s ease, background .22s ease, border-color .22s ease;
}

.page-faq .faq-step:hover {
  background: rgba(0, 0, 0, .32);
  border-color: var(--accent-yellow);
  transform: translateY(-3px);
}

.page-faq .faq-step:hover::before {
  content: "✓";
  position: absolute;
  top: 14px;
  right: 16px;
  color: var(--accent-yellow);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 18px;
  line-height: 1;
}

.page-faq .faq-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-pill);
  background: var(--accent-yellow);
  color: var(--text-dark);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  margin-bottom: 14px;
}

.page-faq .faq-step h3 {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 8px;
}

.page-faq .faq-step p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-light);
  margin: 0;
}

.page-faq .faq-figure {
  margin: 14px 0 0;
}

.page-faq .faq-figure--quick img {
  display: block;
  width: 200px;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
}

.page-faq .faq-step-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 700;
}

.page-faq .faq-chip--cyan {
  background: rgba(0, 210, 255, .16);
  color: var(--accent-blue);
}

.page-faq .faq-chip--yellow {
  background: rgba(255, 224, 102, .18);
  color: var(--accent-yellow);
}

.page-faq .faq-chip--green {
  background: rgba(46, 204, 113, .18);
  color: #5fe8a4;
}

.page-faq .faq-metric {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-top: 14px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, .08);
  border-radius: var(--radius-md);
}

.page-faq .faq-metric-label {
  font-size: 12px;
  color: var(--muted);
}

.page-faq .faq-metric-value {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--accent-yellow);
}

/* ===== 检索与筛选问答 ===== */
.page-faq .faq-qa-list {
  display: grid;
  gap: 12px;
  max-width: var(--content-width);
  margin: 0 auto;
}

.page-faq .faq-qa {
  background: rgba(0, 0, 0, .22);
  border: 1px solid var(--border-gray);
  border-radius: var(--radius-md);
}

.page-faq .faq-qa[open] {
  background: rgba(0, 0, 0, .3);
  border-color: rgba(0, 210, 255, .35);
}

.page-faq .faq-qa-summary {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-qa-summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  color: var(--accent-blue);
}

.page-faq .faq-qa[open] .faq-qa-summary::after {
  content: "–";
}

.page-faq .faq-qa-type {
  flex-shrink: 0;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 700;
}

.page-faq .faq-qa-type--error {
  background: rgba(231, 76, 60, .2);
  color: #ff8b7e;
}

.page-faq .faq-qa-type--nav {
  background: rgba(0, 183, 148, .18);
  color: #4ce0c0;
}

.page-faq .faq-qa-type--tag {
  background: rgba(255, 127, 80, .18);
  color: #ffad8a;
}

.page-faq .faq-qa-type--index {
  background: rgba(0, 210, 255, .16);
  color: var(--accent-blue);
}

.page-faq .faq-qa-type--view {
  background: rgba(155, 89, 182, .2);
  color: #c39bd3;
}

.page-faq .faq-qa-type--empty {
  background: rgba(241, 196, 15, .16);
  color: #ffe08a;
}

.page-faq .faq-qa-q {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
}

.page-faq .faq-qa-body {
  padding: 4px 18px 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-light);
}

.page-faq .faq-qa-figure {
  margin: 14px 0 0;
}

.page-faq .faq-qa-figure img {
  display: block;
  width: 260px;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
}

.page-faq .faq-qa-figure figcaption {
  margin-top: 6px;
  font-size: 12px;
  color: var(--muted);
}

@keyframes faqFadeIn {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-faq .faq-qa[open] .faq-qa-body {
  animation: faqFadeIn .25s ease;
}

/* ===== 进度同步 ===== */
.page-faq .faq-sync-grid {
  display: grid;
  gap: 24px;
  max-width: var(--content-width);
  margin: 0 auto;
}

.page-faq .faq-sync-figure {
  margin: 0;
}

.page-faq .faq-sync-figure img {
  display: block;
  width: 100%;
  max-width: 320px;
  height: auto;
  border-radius: var(--radius-lg);
}

.page-faq .faq-sync-caption {
  margin-top: 8px;
  font-size: 12px;
  color: var(--muted);
  text-align: center;
}

.page-faq .faq-sync-caption::before {
  content: "⇄";
  display: inline-block;
  margin-right: 4px;
  color: var(--accent-yellow);
  animation: faqPulse 2s ease-in-out infinite;
}

@keyframes faqPulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: .55;
    transform: scale(1.2);
  }
}

.page-faq .faq-sync-steps {
  counter-reset: faq-sync;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-sync-steps li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px;
  background: rgba(0, 0, 0, .2);
  border-left: 4px solid var(--accent-yellow);
  border-radius: var(--radius-md);
}

.page-faq .faq-sync-steps li::before {
  counter-increment: faq-sync;
  content: counter(faq-sync);
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--accent-yellow);
  color: var(--text-dark);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
}

.page-faq .faq-sync-step-title {
  display: block;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.page-faq .faq-sync-steps p {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-light);
}

/* ===== ARCHIVE 访问方案 ===== */
.page-faq .faq-archive-wrap {
  display: grid;
  gap: 24px;
  max-width: var(--content-width);
  margin: 0 auto;
}

.page-faq .faq-archive-main {
  display: grid;
  gap: 20px;
}

.page-faq .faq-archive-steps {
  display: grid;
  gap: 14px;
}

.page-faq .faq-archive-card {
  position: relative;
  padding: 20px 20px 18px;
  background: rgba(0, 0, 0, .22);
  border: 1px solid var(--faq-card-line);
  border-radius: var(--radius-lg);
}

.page-faq .faq-archive-card--highlight {
  background: rgba(255, 224, 102, .1);
  border-color: rgba(255, 224, 102, .4);
}

.page-faq .faq-archive-card-num {
  position: absolute;
  top: 14px;
  right: 18px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 26px;
  color: rgba(255, 255, 255, .22);
  line-height: 1;
}

.page-faq .faq-archive-card h3 {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 8px;
  padding-right: 36px;
}

.page-faq .faq-archive-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-light);
}

.page-faq .faq-code {
  font-family: var(--font-mono);
  font-size: .92em;
  padding: 2px 6px;
  background: rgba(0, 0, 0, .3);
  border-radius: 6px;
  color: var(--accent-blue);
}

.page-faq .faq-archive-art {
  margin: 0;
  align-self: end;
}

.page-faq .faq-archive-art img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
}

.page-faq .faq-archive-art figcaption {
  margin-top: 6px;
  font-size: 12px;
  color: var(--muted);
}

.page-faq .faq-archive-compat {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  max-width: var(--content-width);
  margin: 20px auto 0;
}

.page-faq .faq-compat-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
  margin-right: 2px;
}

/* ===== 专题合集迁移 ===== */
.page-faq .faq-migration-steps {
  display: grid;
  gap: 12px;
  max-width: var(--content-width);
  margin: 0 auto;
}

.page-faq .faq-migration-step {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 18px;
  background: rgba(255, 255, 255, .68);
  border-radius: var(--radius-md);
}

.page-faq .faq-migration-step h3 {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  color: var(--text-dark);
  margin: 0 0 4px;
}

.page-faq .faq-migration-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(26, 26, 26, .75);
}

.page-faq .faq-migration-num {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  background: var(--text-dark);
  color: var(--bg-amber);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 14px;
}

.page-faq .faq-migration-note {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  align-items: center;
  max-width: var(--content-width);
  margin: 20px auto 0;
  padding: 14px 18px;
  background: rgba(255, 255, 255, .55);
  border-radius: var(--radius-md);
}

.page-faq .faq-migration-status {
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: var(--text-dark);
  color: var(--bg-amber);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}

.page-faq .faq-migration-ver {
  font-size: 14px;
  color: rgba(26, 26, 26, .8);
}

/* ===== 相关入口 ===== */
.page-faq .faq-related {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 28px 20px 44px;
}

.page-faq .faq-related-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 16px 18px;
  background: var(--panel);
  border: 1px solid var(--border-gray);
  border-radius: var(--radius-md);
  color: var(--text-light);
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  transition: border-color .2s ease;
}

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

.page-faq .faq-related-arrow {
  color: var(--accent-blue);
  font-weight: 700;
}

/* ===== 桌面端布局 ===== */
@media (min-width: 900px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
  }

  .page-faq .faq-step:not(:last-child)::after {
    content: "→";
    position: absolute;
    top: 50%;
    right: -15px;
    transform: translateY(-50%);
    z-index: 2;
    font-size: 22px;
    font-weight: 900;
    color: var(--accent-yellow);
  }

  .page-faq .faq-sync-grid {
    grid-template-columns: 320px 1fr;
    align-items: center;
    gap: 32px;
  }

  .page-faq .faq-archive-wrap {
    grid-template-columns: 1fr 260px;
    gap: 32px;
  }

  .page-faq .faq-archive-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .page-faq .faq-migration-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
}

@media (min-width: 640px) {
  .page-faq .faq-related {
    grid-template-columns: repeat(4, 1fr);
  }
}