.page-faq {
  --faq-blue-soft: rgba(45, 107, 255, 0.12);
  --faq-teal-soft: rgba(34, 211, 182, 0.14);
  --faq-amber-soft: rgba(255, 176, 32, 0.16);
  --faq-coral-soft: rgba(255, 92, 92, 0.14);
  --faq-line: rgba(11, 15, 20, 0.08);
  background: var(--dx-fog);
  color: var(--dx-ink);
}

/* 通用章节头 */
.page-faq .faq-section-head {
  display: flex;
  flex-direction: column;
  gap: var(--dx-s2);
  max-width: 72ch;
}
.page-faq .faq-kicker {
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dx-steel);
  margin: 0;
}

/* Hero */
.page-faq .faq-hero {
  padding-top: var(--dx-s3);
  padding-bottom: var(--dx-s5);
}
.page-faq .faq-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--dx-s4);
  align-items: stretch;
}
.page-faq .faq-hero__lead {
  display: flex;
  flex-direction: column;
  gap: var(--dx-s3);
  min-width: 0;
  padding-top: var(--dx-s2);
}
.page-faq .faq-hero .dx-h1 {
  font-family: var(--dx-font-title);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--dx-s2);
}
.page-faq .faq-hero__meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--dx-s3);
  margin: var(--dx-s2) 0 0;
  padding: var(--dx-s2) 0 0;
  border-top: 1px solid var(--dx-line);
  font-size: 13px;
  color: var(--dx-text-soft);
}
.page-faq .faq-hero__meta .dx-mono {
  color: var(--dx-ink);
  font-weight: 700;
  margin-right: 6px;
}

/* 状态面板 */
.page-faq .faq-status-panel {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: var(--dx-s3);
  padding: var(--dx-s3);
  background: var(--dx-ink);
  color: var(--dx-fog);
  border-radius: var(--dx-radius);
  border: 1px solid var(--dx-line-dark);
}
.page-faq .faq-status-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(0deg, rgba(243, 247, 251, 0.045) 0 1px, transparent 1px 32px),
    repeating-linear-gradient(90deg, rgba(243, 247, 251, 0.045) 0 1px, transparent 1px 32px);
  pointer-events: none;
}
.page-faq .faq-status-panel > * { position: relative; }
.page-faq .faq-status-panel__head {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--dx-teal);
}
.page-faq .faq-status-panel__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--dx-teal);
  box-shadow: 0 0 0 0 rgba(34, 211, 182, 0.5);
  animation: faq-pulse 2.4s ease-out infinite;
}
@keyframes faq-pulse {
  0% { box-shadow: 0 0 0 0 rgba(34, 211, 182, 0.55); }
  70% { box-shadow: 0 0 0 12px rgba(34, 211, 182, 0); }
  100% { box-shadow: 0 0 0 0 rgba(34, 211, 182, 0); }
}
.page-faq .faq-status-panel__list {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--dx-s2);
}
.page-faq .faq-status-panel__list > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--dx-s2);
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--dx-line-dark);
}
.page-faq .faq-status-panel__list > div:last-child { border-bottom: 0; padding-bottom: 0; }
.page-faq .faq-status-panel__list dt {
  font-size: 13px;
  color: rgba(243, 247, 251, 0.62);
}
.page-faq .faq-status-panel__list dd {
  margin: 0;
  font-family: var(--dx-font-mono);
  font-size: 16px;
  color: var(--dx-fog);
}
.page-faq .faq-status-panel__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(243, 247, 251, 0.72);
}
.page-faq .faq-status-panel__cta {
  align-self: flex-start;
}

/* 三步概览 */
.page-faq .faq-overview__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--dx-s2);
  margin-top: var(--dx-s4);
}
.page-faq .faq-mini {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: var(--dx-s2);
  padding: var(--dx-s3);
  background: #fff;
  border: 1px solid var(--dx-line);
  border-radius: var(--dx-radius);
  border-left: 4px solid var(--dx-blue);
}
.page-faq .faq-mini__num {
  font-family: var(--dx-font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--dx-blue);
  align-self: start;
  line-height: 1;
  padding-top: 2px;
}
.page-faq .faq-mini h3 {
  margin: 0 0 8px;
  font-family: var(--dx-font-title);
}
.page-faq .faq-mini p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--dx-text-soft);
}

/* 设备切换 */
.page-faq .faq-tabs { margin-top: var(--dx-s4); }
.page-faq .faq-tabs__bar {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  border-bottom: 1px solid var(--dx-line);
  scrollbar-width: thin;
}
.page-faq .faq-tabs__bar .dx-tab {
  flex: 0 0 auto;
  padding: 14px 20px;
  background: transparent;
  border: 0;
  border-bottom: 3px solid transparent;
  margin-bottom: -1px;
  font-family: var(--dx-font-title);
  font-size: 15px;
  font-weight: 600;
  color: var(--dx-steel);
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.2s var(--dx-ease), border-color 0.2s var(--dx-ease), background 0.2s var(--dx-ease);
}
.page-faq .faq-tabs__bar .dx-tab:hover { color: var(--dx-ink); }
.page-faq .faq-tabs__bar .dx-tab[aria-selected="true"] {
  color: var(--dx-blue);
  border-bottom-color: var(--dx-blue);
  background: var(--faq-blue-soft);
}

.page-faq .faq-panel { padding-top: var(--dx-s4); }
.page-faq .faq-panel__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--dx-s4);
  align-items: start;
}
.page-faq .faq-panel__intro {
  max-width: 68ch;
  margin: 0 0 var(--dx-s3);
  font-size: 16px;
  line-height: 1.8;
  color: var(--dx-text-soft);
}

/* 步骤卡片 */
.page-faq .faq-step-stack {
  display: flex;
  flex-direction: column;
  gap: var(--dx-s2);
  margin: 0;
}
.page-faq .faq-step {
  display: grid;
  grid-template-columns: 44px 1fr 20px;
  gap: var(--dx-s2);
  align-items: start;
  padding: var(--dx-s3);
  background: #fff;
  border: 1px solid var(--dx-line);
  border-radius: var(--dx-radius);
  border-left: 4px solid var(--dx-blue);
  cursor: pointer;
  transition: border-color 0.2s var(--dx-ease), box-shadow 0.2s var(--dx-ease), background 0.2s var(--dx-ease);
}
.page-faq .faq-step--teal { border-left-color: var(--dx-teal); }
.page-faq .faq-step:hover { box-shadow: 0 8px 24px rgba(11, 15, 20, 0.06); }
.page-faq .faq-step__num {
  font-family: var(--dx-font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--dx-blue);
  line-height: 1.2;
  align-self: start;
}
.page-faq .faq-step--teal .faq-step__num { color: #0f9d87; }
.page-faq .faq-step__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}
.page-faq .faq-step__title {
  font-family: var(--dx-font-title);
  font-size: 17px;
  font-weight: 700;
  color: var(--dx-ink);
}
.page-faq .faq-step__text {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--dx-text-soft);
}
.page-faq .faq-step__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.page-faq .faq-step__input {
  width: 18px;
  height: 18px;
  margin-top: 4px;
  accent-color: var(--dx-teal);
  cursor: pointer;
}
.page-faq .faq-step:has(.faq-step__input:checked) {
  background: var(--dx-mint);
  border-color: rgba(34, 211, 182, 0.5);
}
.page-faq .faq-step:has(.faq-step__input:checked) .faq-step__title {
  color: #0f8a76;
}

/* 图片 */
.page-faq .faq-figure {
  margin: 0;
  border-radius: var(--dx-radius);
  overflow: hidden;
  background: var(--dx-ink-soft);
  border: 1px solid var(--dx-line);
}
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .faq-figure .dx-figure__caption {
  padding: 12px 16px;
  font-size: 12.5px;
  color: rgba(243, 247, 251, 0.72);
  background: var(--dx-ink);
  margin: 0;
}

/* 状态色块与版本 */
.page-faq .faq-legend__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--dx-s3);
  margin-top: var(--dx-s4);
}
.page-faq .faq-legend__panel {
  padding: var(--dx-s3);
  background: #fff;
  border: 1px solid var(--dx-line);
  border-radius: var(--dx-radius);
}
.page-faq .faq-legend__panel h3 {
  margin: 0 0 var(--dx-s2);
  font-family: var(--dx-font-title);
}
.page-faq .faq-legend__panel p {
  margin: 0 0 var(--dx-s2);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--dx-text-soft);
}
.page-faq .faq-legend__panel--dark {
  background: var(--dx-ink);
  color: var(--dx-fog);
  border-color: var(--dx-line-dark);
}
.page-faq .faq-legend__panel--dark h3 { color: var(--dx-fog); }
.page-faq .faq-legend__panel--dark p { color: rgba(243, 247, 251, 0.75); }
.page-faq .faq-legend__panel--dark .dx-mono { color: var(--dx-teal); }
.page-faq .faq-legend__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--dx-s2);
}
.page-faq .faq-legend__list li {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 12px;
  align-items: start;
  padding-bottom: var(--dx-s2);
  border-bottom: 1px dashed var(--dx-line);
}
.page-faq .faq-legend__list li:last-child { border-bottom: 0; padding-bottom: 0; }
.page-faq .faq-legend__list strong {
  display: block;
  font-family: var(--dx-font-title);
  font-size: 15px;
  margin-bottom: 4px;
  color: var(--dx-ink);
}
.page-faq .faq-legend__list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--dx-text-soft);
}
.page-faq .faq-swatch {
  display: block;
  width: 20px;
  height: 20px;
  border-radius: 6px;
  margin-top: 2px;
}
.page-faq .faq-swatch--pass { background: var(--dx-teal); }
.page-faq .faq-swatch--warn { background: var(--dx-amber); }
.page-faq .faq-swatch--alert { background: var(--dx-coral); }
.page-faq .faq-swatch--info { background: var(--dx-blue); }

.page-faq .faq-legend__copy {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--dx-s2);
  padding: var(--dx-s2);
  margin: var(--dx-s2) 0;
  background: rgba(243, 247, 251, 0.06);
  border: 1px dashed var(--dx-line-dark);
  border-radius: var(--dx-radius-sm);
  font-size: 13px;
  color: rgba(243, 247, 251, 0.7);
}
.page-faq .faq-version-copy {
  padding: 8px 14px;
  font-family: var(--dx-font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--dx-ink);
  background: var(--dx-teal);
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.15s var(--dx-ease), background 0.2s var(--dx-ease);
}
.page-faq .faq-version-copy:hover { transform: translateY(-1px); }
.page-faq .faq-legend__cta { margin-top: var(--dx-s2); }

.page-faq .faq-version-note {
  margin-top: var(--dx-s3);
  padding: var(--dx-s3);
  border-radius: var(--dx-radius);
  background: var(--faq-amber-soft);
  border: 1px solid rgba(255, 176, 32, 0.35);
}
.page-faq .faq-version-note p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--dx-ink);
}
.page-faq .faq-version-note a {
  color: var(--dx-blue);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 联系前准备 */
.page-faq .faq-prepare__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--dx-s3);
  margin-top: var(--dx-s4);
}
.page-faq .faq-prepare__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--dx-s2);
}
.page-faq .faq-prepare__list li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: var(--dx-s2);
  padding: var(--dx-s3);
  background: #fff;
  border: 1px solid var(--dx-line);
  border-radius: var(--dx-radius);
}
.page-faq .faq-prepare__list .dx-mono {
  font-size: 18px;
  font-weight: 700;
  color: var(--dx-blue);
  line-height: 1.2;
}
.page-faq .faq-prepare__list strong {
  display: block;
  font-family: var(--dx-font-title);
  font-size: 16px;
  margin-bottom: 4px;
}
.page-faq .faq-prepare__list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--dx-text-soft);
}

/* 联系卡片 */
.page-faq .faq-contact-card {
  display: flex;
  flex-direction: column;
  gap: var(--dx-s2);
  padding: var(--dx-s3);
  background: var(--dx-ink);
  color: var(--dx-fog);
  border-radius: var(--dx-radius);
  border: 1px solid var(--dx-line-dark);
  position: relative;
  overflow: hidden;
}
.page-faq .faq-contact-card::after {
  content: "";
  position: absolute;
  right: -40px;
  bottom: -40px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(45, 107, 255, 0.4), transparent 70%);
  pointer-events: none;
}
.page-faq .faq-contact-card__kicker {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--dx-teal);
}
.page-faq .faq-contact-card h3 {
  margin: 0;
  font-family: var(--dx-font-title);
  color: var(--dx-fog);
}
.page-faq .faq-contact-card__row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: var(--dx-s2) 0;
  border-bottom: 1px dashed var(--dx-line-dark);
  position: relative;
  z-index: 1;
}
.page-faq .faq-contact-card__row:last-of-type { border-bottom: 0; }
.page-faq .faq-contact-card__label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(243, 247, 251, 0.6);
}
.page-faq .faq-contact-card__value {
  font-size: 15px;
  word-break: break-all;
  color: var(--dx-fog);
}
.page-faq .faq-contact-card__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(243, 247, 251, 0.72);
  position: relative;
  z-index: 1;
}
.page-faq .faq-contact-card__cta {
  align-self: flex-start;
  margin-top: var(--dx-s2);
  position: relative;
  z-index: 1;
}

/* 折叠面板 */
.page-faq .faq-fold-group {
  margin-top: var(--dx-s4);
  display: flex;
  flex-direction: column;
  gap: var(--dx-s2);
}
.page-faq .faq-fold {
  background: #fff;
  border: 1px solid var(--dx-line);
  border-radius: var(--dx-radius);
  overflow: hidden;
}
.page-faq .faq-fold[open] {
  border-color: rgba(45, 107, 255, 0.35);
  background: #fff;
}
.page-faq .faq-fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--dx-s2);
  padding: var(--dx-s3);
  font-family: var(--dx-font-title);
  font-size: 16px;
  font-weight: 600;
  color: var(--dx-ink);
  cursor: pointer;
  list-style: none;
  position: relative;
}
.page-faq .faq-fold summary::-webkit-details-marker { display: none; }
.page-faq .faq-fold summary::after {
  content: "+";
  font-family: var(--dx-font-mono);
  font-size: 20px;
  color: var(--dx-blue);
  transition: transform 0.2s var(--dx-ease);
  flex: 0 0 auto;
}
.page-faq .faq-fold[open] summary::after { content: "−"; }
.page-faq .faq-fold p {
  margin: 0;
  padding: 0 var(--dx-s3) var(--dx-s3);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--dx-text-soft);
}

/* Tail */
.page-faq .faq-tail {
  padding: var(--dx-s5) 0 var(--dx-s6);
  background: var(--dx-ink);
  color: var(--dx-fog);
  margin-top: var(--dx-s5);
  position: relative;
  overflow: hidden;
}
.page-faq .faq-tail::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--dx-blue), var(--dx-teal) 50%, var(--dx-amber));
}
.page-faq .faq-tail__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--dx-s4);
  align-items: end;
}
.page-faq .faq-tail h2 { color: var(--dx-fog); }
.page-faq .faq-tail .dx-lede { color: rgba(243, 247, 251, 0.72); }
.page-faq .faq-tail .faq-kicker { color: rgba(243, 247, 251, 0.5); }
.page-faq .faq-tail__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--dx-s2);
}

/* 媒体查询 */
@media (min-width: 720px) {
  .page-faq .faq-overview__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-faq .faq-legend__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  }
  .page-faq .faq-prepare__grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  }
  .page-faq .faq-panel__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(260px, 1fr);
  }
  .page-faq .faq-panel__grid--reverse {
    grid-template-columns: minmax(260px, 1fr) minmax(0, 1.5fr);
  }
  .page-faq .faq-panel__grid--reverse .faq-figure { order: -1; }
  .page-faq .faq-tail__inner {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  }
  .page-faq .faq-tail__actions { justify-content: flex-end; }
}

@media (min-width: 980px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(320px, 0.9fr);
    gap: var(--dx-s5);
  }
  .page-faq .faq-hero__lead {
    padding-right: var(--dx-s3);
    border-right: 1px solid var(--dx-line);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-status-panel__dot { animation: none; }
  .page-faq .faq-step,
  .page-faq .faq-version-copy { transition: none; }
}