.page-faq {
  --faq-gap: clamp(18px, 3vw, 36px);
  --faq-ok: var(--green);
  --faq-check: var(--blue);
  --faq-ticket: var(--orange);
  display: block;
}

.page-faq .breadcrumbs {
  padding-block: 18px 0;
}

.page-faq .section {
  padding-block: clamp(30px, 5vw, 58px);
}

.page-faq .section__head {
  margin-bottom: var(--faq-gap);
}

.page-faq .section__head .lede {
  max-width: 62ch;
}

/* ---------- 首屏声明 ---------- */
.page-faq .faq-lead {
  padding-block: clamp(18px, 3vw, 30px) clamp(28px, 4vw, 46px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-lead__grid {
  display: grid;
  gap: clamp(16px, 3vw, 30px);
  margin-top: 14px;
  align-items: end;
}

.page-faq .faq-lead__title {
  margin: 0;
  font-size: clamp(27px, 7vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 800;
  max-width: 15em;
}

.page-faq .faq-lead__aside .lede {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

.page-faq .faq-quick {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-sm);
  overflow: hidden;
}

.page-faq .faq-quick__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 14px;
  background: var(--panel);
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}

.page-faq .faq-quick__link::after {
  content: "→";
  font-family: var(--font-mono);
  color: var(--blue);
}

.page-faq .faq-quick__link:hover,
.page-faq .faq-quick__link:focus-visible {
  background: var(--panel-2);
  color: var(--green);
}

.page-faq .faq-stats {
  list-style: none;
  margin: clamp(22px, 4vw, 34px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.page-faq .faq-stats__item {
  border-top: 1px solid var(--line);
  padding-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-faq .faq-stats__num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1;
  color: var(--green);
}

.page-faq .faq-stats__label {
  font-size: 13px;
  color: var(--muted);
}

/* ---------- 控制台 ---------- */
.page-faq .faq-console {
  background:
    radial-gradient(1100px 320px at 88% -10%, rgba(59, 185, 255, 0.09), transparent 70%),
    transparent;
}

.page-faq .faq-console__grid {
  display: grid;
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq .faq-legend {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--panel);
  padding: 16px 16px 18px;
}

.page-faq .faq-legend__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-legend__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-legend__list li {
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr);
  gap: 10px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

.page-faq .faq-legend__list strong {
  display: block;
  color: var(--text);
  font-weight: 600;
  font-size: 13px;
}

.page-faq .faq-dot {
  width: 9px;
  height: 9px;
  margin-top: 6px;
  border-radius: 50%;
  display: block;
}

.page-faq .faq-dot--ok {
  background: var(--faq-ok);
  box-shadow: 0 0 0 3px rgba(125, 255, 138, 0.16);
}

.page-faq .faq-dot--check {
  background: var(--faq-check);
  box-shadow: 0 0 0 3px rgba(59, 185, 255, 0.16);
}

.page-faq .faq-dot--ticket {
  background: var(--faq-ticket);
  box-shadow: 0 0 0 3px rgba(255, 159, 74, 0.16);
}

.page-faq .faq-legend__note {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 标签页 ---------- */
.page-faq .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 0 0 18px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
}

.page-faq .tabs__tab {
  appearance: none;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 9px 16px;
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .tabs__tab:hover {
  color: var(--text);
  border-color: var(--moss);
}

.page-faq .tabs__tab[aria-selected="true"] {
  color: var(--text);
  border-color: var(--blue);
  background: rgba(59, 185, 255, 0.13);
}

.page-faq .tabs__tab:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

.page-faq .tabs__panel {
  padding: 0;
}

.page-faq .tabs__panel:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 4px;
}

.page-faq .faq-panel__intro {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 64ch;
}

/* ---------- 步骤流程 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-steps li {
  position: relative;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding-bottom: 22px;
}

.page-faq .faq-steps li:last-child {
  padding-bottom: 0;
}

.page-faq .faq-steps li::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 36px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--line), rgba(38, 58, 69, 0));
}

.page-faq .faq-steps li:last-child::before {
  display: none;
}

.page-faq .faq-step__num {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--panel-2);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--green);
  position: relative;
  z-index: 1;
}

.page-faq .faq-steps h3 {
  margin: 6px 0 4px;
  font-size: 16px;
  line-height: 1.45;
  font-weight: 700;
}

.page-faq .faq-steps p {
  margin: 0 0 8px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .faq-pill {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  padding: 1px 9px;
  border-radius: 999px;
  border: 1px solid transparent;
}

.page-faq .faq-pill--check {
  color: var(--blue);
  border-color: rgba(59, 185, 255, 0.42);
  background: rgba(59, 185, 255, 0.1);
}

.page-faq .faq-pill--ticket {
  color: var(--orange);
  border-color: rgba(255, 159, 74, 0.45);
  background: rgba(255, 159, 74, 0.1);
}

/* ---------- 图文 ---------- */
.page-faq .media {
  margin: 24px 0 0;
}

.page-faq .media__frame {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--panel);
}

.page-faq .media__frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .media__cap {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 回访与导出条目 ---------- */
.page-faq .faq-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-sm);
  overflow: hidden;
}

.page-faq .faq-facts li {
  background: var(--panel);
  padding: 14px 16px;
  display: grid;
  gap: 6px;
}

.page-faq .faq-facts__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--green);
}

.page-faq .faq-facts__val {
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 反馈准备清单 ---------- */
.page-faq .faq-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-checklist label {
  display: flex;
  gap: 12px;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--panel);
  cursor: pointer;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-checklist label:hover {
  border-color: var(--moss);
}

.page-faq .faq-checklist input {
  appearance: none;
  -webkit-appearance: none;
  flex: none;
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--ink);
  position: relative;
  cursor: pointer;
}

.page-faq .faq-checklist input:checked {
  background: var(--green);
  border-color: var(--green);
}

.page-faq .faq-checklist input:checked::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 10px;
  border-right: 2px solid var(--ink-on-green);
  border-bottom: 2px solid var(--ink-on-green);
  transform: rotate(40deg);
}

.page-faq .faq-checklist input:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.page-faq .faq-checklist span {
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-checklist span strong {
  display: block;
  color: var(--text);
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 2px;
}

.page-faq .faq-checklist input:checked ~ span {
  color: var(--moss);
}

.page-faq .faq-checklist input:checked ~ span strong {
  color: var(--green);
}

.page-faq .faq-panel__actions {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 兼容矩阵 ---------- */
.page-faq .faq-compat__grid {
  display: grid;
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq .data-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-faq .data-table th {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.page-faq .data-table td {
  padding: 13px 12px;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: top;
  line-height: 1.65;
  color: var(--text);
}

.page-faq .data-table tbody tr:hover {
  background: rgba(59, 185, 255, 0.05);
}

.page-faq .faq-ok {
  color: var(--green);
  font-family: var(--font-mono);
  font-size: 12px;
  white-space: nowrap;
}

.page-faq .faq-warn {
  color: var(--orange);
  font-family: var(--font-mono);
  font-size: 12px;
  white-space: nowrap;
}

.page-faq .faq-compat__aside {
  border: 1px solid var(--line);
  border-left: 2px solid var(--moss);
  border-radius: var(--r-sm);
  background: var(--panel);
  padding: 16px 18px 18px;
}

.page-faq .faq-compat__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-compat__list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-compat__list li::marker {
  color: var(--blue);
  font-family: var(--font-mono);
}

.page-faq .faq-compat__media {
  margin-top: var(--faq-gap);
}

/* ---------- 高频问答 ---------- */
.page-faq .faq-groups {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-faq .faq-group__title {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 6px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-faq .faq-group__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--green);
}

.page-faq .faq-group details {
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-group summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--text);
}

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

.page-faq .faq-group summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.3;
  color: var(--blue);
}

.page-faq .faq-group details[open] summary::after {
  content: "–";
  color: var(--green);
}

.page-faq .faq-group summary:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
}

.page-faq .faq-group details p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 人工支持 ---------- */
.page-faq .faq-support {
  border-top: 1px solid var(--line);
}

.page-faq .faq-support__grid {
  display: grid;
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq .faq-support__main h2 {
  margin: 10px 0 12px;
  font-size: clamp(22px, 3.6vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  font-weight: 800;
  max-width: 20em;
}

.page-faq .faq-support__main .lede {
  margin: 0 0 12px;
  color: var(--text);
}

.page-faq .faq-support__main p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 60ch;
}

.page-faq .faq-support__main p a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(59, 185, 255, 0.4);
}

.page-faq .faq-support__main p a:hover {
  color: var(--green);
  border-bottom-color: rgba(125, 255, 138, 0.6);
}

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

.page-faq .faq-contact {
  padding: 18px 18px 16px;
  border-radius: var(--r-md);
}

.page-faq .faq-contact__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--green);
}

.page-faq .faq-contact__list {
  margin: 0;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-sm);
  overflow: hidden;
}

.page-faq .faq-contact__row {
  background: var(--panel-2);
  padding: 11px 14px;
  display: grid;
  gap: 4px;
}

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

.page-faq .faq-contact__row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text);
  word-break: break-word;
}

.page-faq .faq-contact__note {
  margin: 14px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1020px) {
  .page-faq .faq-lead__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(28px, 4vw, 60px);
  }

  .page-faq .faq-console__grid {
    grid-template-columns: 262px minmax(0, 1fr);
    gap: clamp(24px, 3vw, 44px);
  }

  .page-faq .faq-legend {
    position: sticky;
    top: 104px;
  }

  .page-faq .faq-compat__grid {
    grid-template-columns: minmax(0, 1fr) 300px;
  }

  .page-faq .faq-support__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: clamp(28px, 4vw, 56px);
  }
}

@media (max-width: 480px) {
  .page-faq .tabs__list {
    gap: 6px;
  }

  .page-faq .tabs__tab {
    font-size: 13px;
    padding: 8px 12px;
  }

  .page-faq .faq-steps li {
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 12px;
  }

  .page-faq .faq-step__num {
    width: 30px;
    height: 30px;
    font-size: 11px;
  }

  .page-faq .faq-steps li::before {
    left: 15px;
    top: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .tabs__tab,
  .page-faq .faq-quick__link,
  .page-faq .faq-checklist label {
    transition: none;
  }
}