.page-faq {
  --faq-paper-text: #0A1424;
  --faq-paper-text-2: #45586F;
  --faq-paper-line: #CBD8E8;
  --faq-paper-accent: #0E7F73;
  --faq-paper-amber: #8A5300;
  display: block;
  padding-bottom: 8px;
}

.page-faq .breadcrumb {
  margin: 20px 0 18px;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  display: grid;
  gap: 12px;
  max-width: 760px;
  padding: 4px 0 26px;
}

.page-faq .faq-eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-family: var(--font-sans);
  font-size: clamp(28px, 6.4vw, 46px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-faq .faq-lede {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text-2);
}

/* ---------- 两张快捷卡 ---------- */

.page-faq .quick-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.page-faq .quick-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: clamp(18px, 3.4vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--r);
  min-width: 0;
}

.page-faq .quick-card--export {
  background: var(--paper);
  border-color: var(--faq-paper-line);
  color: var(--faq-paper-text);
  box-shadow: var(--shadow);
}

.page-faq .quick-card--support {
  background: var(--ink-800);
  border-color: rgba(255, 179, 71, 0.55);
  color: var(--text);
  box-shadow: inset 0 0 0 1px rgba(255, 179, 71, 0.12), var(--shadow);
}

.page-faq .quick-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

.page-faq .quick-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--faq-paper-amber);
}

.page-faq .quick-card--support .quick-kicker {
  color: var(--amber);
}

.page-faq .quick-title {
  margin: 0;
  font-size: clamp(19px, 2.6vw, 24px);
  font-weight: 900;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: inherit;
}

.page-faq .quick-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--faq-paper-text-2);
}

.page-faq .quick-card--support .quick-text {
  color: var(--text-2);
}

.page-faq .quick-steps {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  counter-reset: qs;
}

.page-faq .quick-steps li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  font-size: 15px;
  line-height: 1.62;
  color: var(--faq-paper-text);
}

.page-faq .qs-num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
  color: var(--faq-paper-accent);
}

.page-faq .quick-card--export a:not(.btn) {
  color: var(--faq-paper-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.page-faq .quick-media {
  margin: 0;
  border: 1px solid var(--faq-paper-line);
  border-radius: 3px;
  overflow: hidden;
  background: linear-gradient(140deg, #DCE6F2, #F4F7FB);
}

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

.page-faq .mini-path {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .mini-path li {
  display: grid;
  gap: 5px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--ink-700);
}

.page-faq .mp-num {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-faq .mp-text {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-2);
}

.page-faq .quick-card--support .btn {
  margin-top: 4px;
}

@media (min-width: 900px) {
  .page-faq .quick-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: stretch;
  }
}

@media (min-width: 1080px) {
  .page-faq .quick-card--export {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.8fr);
    grid-template-areas: "body media";
    align-items: center;
    column-gap: 26px;
  }

  .page-faq .quick-card--export .quick-body {
    grid-area: body;
  }

  .page-faq .quick-card--export .quick-media {
    grid-area: media;
  }
}

/* ---------- 问答区 ---------- */

.page-faq .qa-section {
  margin-top: 8px;
}

.page-faq .qa-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.page-faq .qa-side {
  display: grid;
  gap: 12px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--ink-800);
}

.page-faq .qa-side-title {
  margin: 0;
  font-size: 18px;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-faq .qa-side-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-2);
}

.page-faq .qa-filters {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.page-faq .filter-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--ink-700);
  color: var(--text-2);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.3;
  text-align: left;
  cursor: pointer;
  transition: background 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}

.page-faq .filter-btn:hover {
  border-color: var(--cyan);
  color: var(--text);
}

.page-faq .filter-btn[aria-pressed="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-900);
  font-weight: 700;
}

.page-faq .filter-count {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  opacity: 0.8;
}

.page-faq .filter-status {
  grid-column: 1 / -1;
  margin: 2px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text-3);
}

.page-faq .qa-list {
  display: grid;
  gap: 10px;
  align-content: start;
  min-width: 0;
}

.page-faq .qa-item {
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--ink-800);
  overflow: hidden;
  transition: border-color 0.12s ease, background 0.12s ease;
}

.page-faq .qa-item:hover {
  border-color: #29466B;
}

.page-faq .qa-item[open] {
  background: var(--ink-800);
  box-shadow: inset 2px 0 0 var(--cyan);
}

.page-faq .qa-summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  list-style: none;
  cursor: pointer;
}

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

.page-faq .qa-summary::marker {
  content: "";
}

.page-faq .qa-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--text-3);
  transition: color 0.12s ease;
}

.page-faq .qa-item[open] .qa-num {
  color: var(--cyan);
}

.page-faq .qa-q {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--text);
}

.page-faq .qa-caret {
  width: 8px;
  height: 8px;
  margin-right: 4px;
  border-right: 2px solid var(--text-3);
  border-bottom: 2px solid var(--text-3);
  transform: rotate(45deg);
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.page-faq .qa-item[open] .qa-caret {
  transform: rotate(-135deg);
  border-color: var(--cyan);
}

.page-faq .qa-a {
  padding: 0 16px 18px 16px;
}

.page-faq .qa-a p {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-2);
}

.page-faq .qa-a a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 230, 210, 0.4);
}

.page-faq .qa-a a:hover {
  border-bottom-color: var(--cyan);
}

@media (min-width: 900px) {
  .page-faq .qa-layout {
    grid-template-columns: 264px minmax(0, 1fr);
  }

  .page-faq .qa-side {
    position: sticky;
    top: calc(var(--header-h) + 16px);
  }

  .page-faq .qa-filters {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-faq .qa-a {
    padding: 0 20px 20px 46px;
  }
}

@media (max-width: 520px) {
  .page-faq .qa-summary .tag {
    display: none;
  }

  .page-faq .qa-a {
    padding: 0 14px 16px 14px;
  }
}

/* ---------- 三步流程 ---------- */

.page-faq .flow-section {
  margin-top: 24px;
  padding: clamp(18px, 3.4vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--ink-800);
}

.page-faq .section-title {
  margin: 0;
  font-size: clamp(19px, 2.8vw, 26px);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-faq .section-note {
  margin: 8px 0 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-2);
}

.page-faq .flow-grid {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-faq .flow-step {
  position: relative;
  display: grid;
  gap: 8px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--ink-700);
  min-width: 0;
}

.page-faq .flow-num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-faq .flow-title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--text);
}

.page-faq .flow-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-2);
}

.page-faq .flow-arrow {
  display: none;
  position: absolute;
  top: 50%;
  right: -27px;
  width: 18px;
  height: 18px;
  transform: translateY(-50%);
  color: var(--cyan);
  opacity: 0.75;
}

.page-faq .flow-step:last-child .flow-arrow {
  display: none;
}

@media (min-width: 860px) {
  .page-faq .flow-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 34px;
  }

  .page-faq .flow-step:not(:last-child) .flow-arrow {
    display: block;
  }
}

/* ---------- 导出说明 ---------- */

.page-faq .export-section {
  margin-top: 24px;
}

.page-faq .export-head {
  max-width: 640px;
  margin-bottom: 16px;
}

.page-faq .export-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-faq .export-card {
  display: grid;
  gap: 10px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--ink-800);
  min-width: 0;
}

.page-faq .export-format {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.page-faq .export-card--pdf .export-format {
  color: var(--amber);
}

.page-faq .export-card--csv .export-format {
  color: var(--cyan);
}

.page-faq .export-card-title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}

.page-faq .export-points {
  list-style: none;
  margin: 2px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .export-points li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-2);
}

.page-faq .export-points li::before {
  content: "";
  position: absolute;
  top: 9px;
  left: 0;
  width: 6px;
  height: 1px;
  background: var(--text-3);
}

.page-faq .export-note {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--amber);
  border-radius: 3px;
  background: var(--ink-700);
}

.page-faq .export-note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-2);
}

.page-faq .export-note strong {
  color: var(--text);
  font-weight: 700;
}

@media (min-width: 760px) {
  .page-faq .export-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .export-note {
    grid-column: 1 / -1;
  }
}

/* ---------- 客服路径条 ---------- */

.page-faq .support-section {
  margin-top: 24px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--ink-800);
  overflow: hidden;
}

.page-faq .support-figure {
  margin: 0;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(120deg, #0B1626, #14233A 55%, #0B1626);
}

.page-faq .support-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 8;
  object-fit: cover;
}

.page-faq .support-body {
  display: grid;
  gap: 14px;
  padding: clamp(18px, 3.4vw, 28px);
}

.page-faq .support-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-faq .support-steps li {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--ink-700);
  min-width: 0;
}

.page-faq .ss-num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-faq .ss-text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-2);
}

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

.page-faq .ss-text a,
.page-faq .support-extra a,
.page-faq .contact-line a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 230, 210, 0.4);
}

.page-faq .ss-text a:hover,
.page-faq .support-extra a:hover,
.page-faq .contact-line a:hover {
  border-bottom-color: var(--cyan);
}

.page-faq .support-contact {
  display: grid;
  gap: 6px;
  padding-top: 4px;
}

.page-faq .contact-line {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.8;
  color: var(--text);
  word-break: break-word;
}

.page-faq .contact-line--sub {
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-3);
}

.page-faq .support-extra {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-2);
}

@media (min-width: 720px) {
  .page-faq .support-figure img {
    aspect-ratio: 16 / 5;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-faq .filter-btn,
  .page-faq .qa-item,
  .page-faq .qa-num,
  .page-faq .qa-caret {
    transition-duration: 0.01ms;
  }
}
</main>