.page-faq .faq-hero {
  padding: 6px 0 0;
}

.page-faq .faq-hero__frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(115% 135% at 6% 0%, rgba(123, 77, 255, 0.24), transparent 60%),
    linear-gradient(158deg, rgba(18, 42, 85, 0.96) 0%, rgba(11, 27, 58, 0.98) 72%);
}

.page-faq .faq-hero__tick {
  height: 12px;
  border-bottom: 1px solid var(--line);
  background-image: repeating-linear-gradient(
    90deg,
    rgba(169, 139, 255, 0.55) 0 1px,
    transparent 1px 20px
  );
}

.page-faq .faq-hero__body {
  display: grid;
  gap: 22px;
  padding: 20px 18px 24px;
}

.page-faq .faq-hero__media {
  margin: 0;
  aspect-ratio: 7 / 4;
  border-radius: calc(var(--radius) - 4px);
  overflow: hidden;
}

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

.page-faq .faq-hero__eyebrow {
  margin: 0 0 12px;
  font-size: 12.5px;
  letter-spacing: 0.07em;
  color: var(--neon-soft);
}

.page-faq .faq-hero__text h1 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(27px, 7.2vw, 46px);
  line-height: 1.2;
  letter-spacing: -0.012em;
  color: var(--ink);
}

.page-faq .faq-hero__text h1::before {
  content: "";
  display: block;
  width: 54px;
  height: 6px;
  margin-bottom: 14px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--neon), var(--gold));
}

.page-faq .faq-hero__lead {
  margin: 0 0 18px;
  max-width: 42ch;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(232, 236, 247, 0.82);
}

.page-faq .faq-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-quick {
  display: inline-block;
  padding: 7px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--pill);
  font-size: 13.5px;
  line-height: 1.4;
  color: var(--ink);
  text-decoration: none;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-quick:hover,
.page-faq .faq-quick:focus-visible {
  background: rgba(123, 77, 255, 0.18);
  border-color: var(--neon);
  color: #fff;
}

.page-faq .faq-index,
.page-faq .faq-steps,
.page-faq .faq-entry,
.page-faq .faq-device,
.page-faq .faq-beta,
.page-faq .faq-account,
.page-faq .faq-contact-section {
  padding: 56px 0 0;
}

.page-faq .faq-contact-section {
  padding-bottom: 72px;
}

.page-faq .section-head {
  margin-bottom: 24px;
  max-width: 64ch;
}

.page-faq .section-head h2 {
  margin: 8px 0 10px;
  font-family: var(--font-display);
  font-size: clamp(22px, 4.6vw, 28px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.008em;
  color: var(--ink);
}

.page-faq .section-head__lead {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(232, 236, 247, 0.75);
}

/* ===== 故障标签矩阵 ===== */
.page-faq .faq-matrix {
  display: grid;
  gap: 14px;
}

.page-faq .faq-matrix__group {
  position: relative;
  padding: 16px 16px 16px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(18, 42, 85, 0.78), rgba(11, 27, 58, 0.66));
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-matrix__group::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--neon);
}

.page-faq .faq-matrix__group:nth-child(2)::before {
  background: var(--teal);
}

.page-faq .faq-matrix__group:nth-child(3)::before {
  background: var(--gold);
}

.page-faq .faq-matrix__group:nth-child(4)::before {
  background: var(--coral);
}

.page-faq .faq-matrix__group:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

.page-faq .faq-matrix__label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--ink-dim);
}

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

.page-faq .faq-tag {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--ink);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-tag .mono {
  flex: none;
  font-size: 11.5px;
  color: var(--neon-soft);
}

.page-faq .faq-tag:hover,
.page-faq .faq-tag:focus-visible {
  border-color: var(--neon);
  background: rgba(123, 77, 255, 0.14);
  transform: translateY(-2px);
}

/* ===== 四步排查 ===== */
.page-faq .faq-steps__grid {
  display: grid;
  gap: 26px;
}

.page-faq .faq-steps__list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 18px 16px 18px 18px;
  border-left: 3px solid var(--neon);
  border-radius: var(--radius-sm);
  color: var(--solid-ink);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-step:hover {
  transform: translateY(-2px);
  border-left-color: var(--neon-soft);
  box-shadow: 0 12px 26px rgba(11, 27, 58, 0.34);
}

.page-faq .faq-step__num {
  font-size: 20px;
  line-height: 1.1;
  color: var(--neon);
}

.page-faq .faq-step__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--solid-ink);
}

.page-faq .faq-step p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(22, 35, 63, 0.78);
}

.page-faq .faq-step p.faq-step__check {
  margin: 0;
  padding-top: 10px;
  border-top: 1px dashed rgba(22, 35, 63, 0.22);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(22, 35, 63, 0.64);
}

.page-faq .faq-steps__media {
  margin: 0;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

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

/* ===== 入口处理顺序 ===== */
.page-faq .faq-order {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-order__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(18, 42, 85, 0.76), rgba(11, 27, 58, 0.62));
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-order__item:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

.page-faq .faq-order__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  font-size: 13px;
  color: var(--neon-soft);
}

.page-faq .faq-order__body h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}

.page-faq .faq-order__body p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(232, 236, 247, 0.78);
}

/* ===== 平板配置与兼容 ===== */
.page-faq .faq-device__grid {
  display: grid;
  gap: 20px;
}

.page-faq .faq-device__list {
  margin: 0;
  padding: 4px 18px;
  border-radius: var(--radius);
  color: var(--solid-ink);
}

.page-faq .faq-device__row {
  padding: 14px 0;
  border-bottom: 1px dashed rgba(22, 35, 63, 0.18);
}

.page-faq .faq-device__row:last-child {
  border-bottom: 0;
}

.page-faq .faq-device__row dt {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 700;
  color: var(--solid-ink);
}

.page-faq .faq-device__row dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(22, 35, 63, 0.76);
}

.page-faq .faq-device__aside {
  padding: 20px 18px;
  border-radius: var(--radius);
}

.page-faq .faq-device__aside-label {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--ink-dim);
}

.page-faq .faq-device__aside h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}

.page-faq .faq-device__aside p {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(232, 236, 247, 0.78);
}

/* ===== 折叠问答 ===== */
.page-faq .faq-folds {
  display: grid;
  gap: 12px;
}

.page-faq .faq-fold {
  border: 1px solid var(--line);
  border-left: 3px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(18, 42, 85, 0.5);
  transition: border-left-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-fold[open] {
  border-left-color: var(--neon);
  background: rgba(18, 42, 85, 0.8);
}

.page-faq .faq-fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink);
}

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

.page-faq .faq-fold summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--neon-soft);
}

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

.page-faq .faq-fold__body {
  padding: 0 16px 16px;
}

.page-faq .faq-fold__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(232, 236, 247, 0.78);
}

/* ===== 联系路径 ===== */
.page-faq .faq-contact {
  display: grid;
  gap: 22px;
  padding: 24px 20px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 130% at 100% 0%, rgba(242, 193, 78, 0.14), transparent 58%),
    linear-gradient(150deg, rgba(123, 77, 255, 0.18), rgba(11, 27, 58, 0.9) 62%);
}

.page-faq .faq-contact__eyebrow {
  margin: 0 0 10px;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-faq .faq-contact__main h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(21px, 4.4vw, 27px);
  font-weight: 700;
  line-height: 1.32;
  color: var(--ink);
}

.page-faq .faq-contact__main p {
  margin: 0 0 18px;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(232, 236, 247, 0.78);
}

.page-faq .faq-contact__list {
  display: grid;
  gap: 10px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-contact__list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 1px dashed rgba(154, 166, 196, 0.22);
}

.page-faq .faq-contact__key {
  flex: none;
  min-width: 60px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink-dim);
}

.page-faq .faq-contact__value {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--ink);
  word-break: break-all;
}

.page-faq .faq-contact__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-dim);
}

.page-faq .faq-contact__note a {
  color: var(--neon-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(169, 139, 255, 0.4);
}

.page-faq .faq-contact__note a:hover,
.page-faq .faq-contact__note a:focus-visible {
  color: #fff;
  border-bottom-color: var(--neon);
}

@media (min-width: 720px) {
  .page-faq .faq-matrix {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-device__grid {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, 0.82fr);
    align-items: start;
  }

  .page-faq .faq-folds {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__body {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
    align-items: end;
    gap: 34px;
    padding: 28px 32px 32px;
  }

  .page-faq .faq-matrix {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-steps__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.85fr);
    gap: 36px;
    align-items: start;
  }

  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.95fr);
    align-items: center;
    gap: 34px;
    padding: 32px 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-tag,
  .page-faq .faq-quick,
  .page-faq .faq-step,
  .page-faq .faq-order__item,
  .page-faq .faq-matrix__group {
    transition: none;
  }

  .page-faq .faq-tag:hover,
  .page-faq .faq-tag:focus-visible,
  .page-faq .faq-step:hover,
  .page-faq .faq-order__item:hover,
  .page-faq .faq-matrix__group:hover {
    transform: none;
  }
}