.page-faq {
  --faq-gap: clamp(20px, 3vw, 36px);
  --faq-radius: 4px;
  position: relative;
  padding-bottom: clamp(56px, 8vw, 96px);
  color: var(--text-primary);
}

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

.page-faq .breadcrumb {
  padding-block: 20px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
}

.page-faq .breadcrumb a {
  color: var(--blue-electric);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .breadcrumb span[aria-hidden="true"] {
  margin-inline: 8px;
  color: var(--line-bright);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  display: grid;
  gap: var(--faq-gap);
  padding-block: clamp(24px, 4vw, 48px) clamp(32px, 5vw, 64px);
  border-bottom: 1px solid var(--line-dim);
  background: radial-gradient(120% 90% at 92% -20%, rgba(57, 229, 140, 0.16), transparent 62%);
}

.page-faq .faq-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--green-arena);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(34px, 6vw, 64px);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.01em;
  color: var(--white-signal);
}

.page-faq .faq-lede {
  margin: 18px 0 0;
  max-width: 54ch;
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.75;
  color: var(--text-secondary);
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-faq .faq-hero-meta {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  opacity: 0.85;
}

.page-faq .faq-figure {
  margin: 0;
  border: 1px solid var(--line-dim);
  border-radius: var(--faq-radius);
  background: var(--bg-panel);
  overflow: hidden;
  box-shadow: inset 0 0 0 1px rgba(57, 229, 140, 0.05);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  aspect-ratio: 7 / 4;
  object-fit: cover;
  filter: contrast(1.06) saturate(0.92);
}

.page-faq .faq-figure .media-cap {
  margin: 0;
  padding: 10px 14px;
  border-top: 1px solid var(--line-dim);
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
}

.page-faq .faq-figure--tall img {
  aspect-ratio: 3 / 2;
}

/* ---------- 区块节奏 ---------- */
.page-faq .faq-block {
  padding-block: clamp(40px, 6vw, 72px);
  border-bottom: 1px solid var(--line-dim);
}

.page-faq .faq-block--last {
  border-bottom: none;
}

.page-faq .faq-section-head {
  max-width: 70ch;
}

.page-faq .faq-section-head h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(26px, 3.6vw, 42px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.005em;
  color: var(--white-signal);
}

.page-faq .faq-section-lede {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-secondary);
}

.page-faq .inline-link {
  color: var(--blue-electric);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .inline-link:hover {
  filter: brightness(1.15);
}

/* ---------- 三列分流 ---------- */
.page-faq .route-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: clamp(20px, 3vw, 34px);
}

.page-faq .route-card {
  --accent: var(--green-arena);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 18px 18px;
  border: 1px solid var(--line-dim);
  border-radius: var(--faq-radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.028), transparent 58%),
    var(--bg-panel);
  transition: transform 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-faq .route-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent 78%);
}

.page-faq .route-card--login {
  --accent: var(--orange-signal);
}

.page-faq .route-card--compat {
  --accent: var(--blue-electric);
}

.page-faq .route-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}

.page-faq .route-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--accent);
}

.page-faq .route-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.2vw, 24px);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--white-signal);
}

.page-faq .route-symptom {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--text-secondary);
}

.page-faq .route-action {
  margin: 0;
  padding-left: 11px;
  border-left: 2px solid var(--accent);
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--text-primary);
}

.page-faq .route-action .mono {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--accent);
}

.page-faq .route-link {
  margin-top: auto;
  padding-top: 6px;
  font-size: 14px;
  color: var(--blue-electric);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .route-link:hover {
  filter: brightness(1.2);
}

/* ---------- 步骤卡 ---------- */
.page-faq .step-list {
  list-style: none;
  margin: clamp(20px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-faq .step-card {
  padding: 22px 20px;
  border: 1px solid var(--line-dim);
  border-radius: var(--faq-radius);
  background: var(--bg-elevated);
}

.page-faq .step-index {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.6vw, 36px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.02em;
  color: rgba(57, 229, 140, 0.42);
}

.page-faq .step-card h3 {
  margin: 12px 0 8px;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--white-signal);
}

.page-faq .step-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-secondary);
}

/* ---------- 反馈模板 ---------- */
.page-faq .template-block {
  margin-top: clamp(20px, 3vw, 32px);
  border: 1px dashed var(--line-bright);
  border-radius: var(--faq-radius);
  background: rgba(14, 59, 39, 0.4);
}

.page-faq .template-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 16px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line-dim);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--green-arena);
}

.page-faq .template-head span:last-child {
  color: var(--text-secondary);
  letter-spacing: 0.08em;
}

.page-faq .template-body {
  margin: 0;
  padding: 18px 16px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 2;
  color: var(--text-primary);
  white-space: pre-wrap;
  word-break: break-word;
  user-select: all;
  -webkit-user-select: all;
}

/* ---------- 展开问答 ---------- */
.page-faq .qa-group {
  margin-top: clamp(18px, 2.6vw, 28px);
  display: grid;
  gap: 10px;
}

.page-faq .qa {
  border: 1px solid var(--line-dim);
  border-radius: var(--faq-radius);
  background: var(--bg-panel);
  transition: border-color 0.22s var(--ease);
}

.page-faq .qa[open] {
  border-color: var(--line-bright);
}

.page-faq .qa summary {
  position: relative;
  padding: 15px 46px 15px 16px;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--text-primary);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 16px;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--green-arena);
}

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

.page-faq .qa[open] summary {
  border-bottom: 1px solid var(--line-dim);
}

.page-faq .qa-body {
  margin: 0;
  padding: 15px 16px 17px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-secondary);
}

/* ---------- 对照表 ---------- */
.page-faq .table-wrap {
  margin-top: clamp(20px, 3vw, 32px);
  border: 1px solid var(--line-dim);
  border-radius: var(--faq-radius);
  overflow: hidden;
  background: var(--bg-panel);
}

.page-faq .compat-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.page-faq .visually-plain {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-faq .compat-table thead th {
  padding: 12px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--green-arena);
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--line-dim);
}

.page-faq .compat-table tbody td {
  padding: 14px 16px;
  vertical-align: top;
  line-height: 1.7;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--line-dim);
}

.page-faq .compat-table tbody tr:last-child td {
  border-bottom: none;
}

.page-faq .compat-table tbody tr {
  transition: background 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-faq .compat-table tbody tr:hover,
.page-faq .compat-table tbody tr:focus-within {
  background: rgba(57, 229, 140, 0.07);
  box-shadow: inset 2px 0 0 var(--green-arena);
}

.page-faq .compat-table tbody td:first-child {
  color: var(--text-primary);
  font-weight: 600;
}

/* ---------- 兼容场景 ---------- */
.page-faq .compat-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 36px);
  margin-top: clamp(20px, 3vw, 34px);
  align-items: start;
}

.page-faq .compat-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .compat-list li {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  column-gap: 12px;
  padding: 16px 0;
  border-top: 1px solid var(--line-dim);
}

.page-faq .compat-list li:first-child {
  border-top: none;
  padding-top: 0;
}

.page-faq .compat-num {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--blue-electric);
  padding-top: 3px;
}

.page-faq .compat-list h3 {
  margin: 0;
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--white-signal);
}

.page-faq .compat-list p {
  grid-column: 2;
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--text-secondary);
}

/* ---------- 准备清单 ---------- */
.page-faq .prep-list {
  list-style: none;
  margin: clamp(20px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--line-dim);
}

.page-faq .prep-list li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  column-gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-dim);
}

.page-faq .prep-num {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--orange-signal);
  padding-top: 3px;
}

.page-faq .prep-list h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--white-signal);
}

.page-faq .prep-list p {
  margin: 6px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* ---------- 联系面板 ---------- */
.page-faq .help-panel {
  margin-top: clamp(20px, 3vw, 34px);
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  padding: clamp(20px, 3.2vw, 36px);
  border: 1px solid var(--line-bright);
  border-radius: var(--faq-radius);
  background:
    radial-gradient(90% 120% at 0% 0%, rgba(57, 229, 140, 0.14), transparent 58%),
    linear-gradient(140deg, rgba(14, 59, 39, 0.75), rgba(17, 28, 23, 0.95));
}

.page-faq .help-list {
  margin: 0;
  display: grid;
  gap: 16px;
}

.page-faq .help-row dt {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  color: var(--green-arena);
}

.page-faq .help-row dd {
  margin: 5px 0 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
}

.page-faq .help-cta {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
  padding-top: clamp(16px, 2.4vw, 24px);
  border-top: 1px solid var(--line-dim);
}

.page-faq .help-cta p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-secondary);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .prep-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(20px, 3vw, 40px);
  }

  .page-faq .compat-table thead th:first-child,
  .page-faq .compat-table tbody td:first-child {
    width: 26%;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
  }

  .page-faq .step-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .compat-split {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  }

  .page-faq .help-panel {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }

  .page-faq .help-cta {
    border-top: none;
    border-left: 1px solid var(--line-dim);
    padding-top: 0;
    padding-left: clamp(20px, 3vw, 34px);
    height: 100%;
  }
}

@media (min-width: 900px) {
  .page-faq .route-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 719px) {
  .page-faq .compat-table,
  .page-faq .compat-table tbody,
  .page-faq .compat-table tr,
  .page-faq .compat-table td {
    display: block;
    width: 100%;
  }

  .page-faq .compat-table thead {
    display: none;
  }

  .page-faq .compat-table tbody tr {
    padding: 8px 0;
    border-bottom: 1px solid var(--line-dim);
  }

  .page-faq .compat-table tbody tr:last-child {
    border-bottom: none;
  }

  .page-faq .compat-table tbody td {
    border-bottom: none;
    padding: 7px 16px;
  }

  .page-faq .compat-table tbody td::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 4px;
    font-family: var(--font-mono);
    font-size: 10.5px;
    letter-spacing: 0.16em;
    color: var(--green-arena);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .route-card,
  .page-faq .qa,
  .page-faq .compat-table tbody tr {
    transition: none;
  }

  .page-faq .route-card:hover {
    transform: none;
  }
}
<<<END>>>