.page-faq {
  --faq-radius: var(--radius-m);
  --faq-card-bg: #ffffff;
  color: var(--text-900);
}

/* ===== 首屏 ===== */
.page-faq .faq-hero {
  position: relative;
  padding: calc(var(--bar-h) + 36px) 0 0;
  color: #fff;
  background-color: var(--ink-950);
  background-image:
    radial-gradient(880px 420px at 86% -8%, rgba(0, 87, 184, .62), transparent 62%),
    linear-gradient(158deg, var(--ink-950) 0%, var(--ink-800) 58%, var(--blue-700) 138%);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(255, 255, 255, .06) 0 1px, transparent 1px 80px),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, .05) 0 1px, transparent 1px 80px);
  opacity: .5;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .8), transparent 78%);
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__crumb a,
.page-faq .faq-hero__crumb span {
  color: rgba(255, 255, 255, .68);
}

.page-faq .faq-hero__crumb [aria-current="page"] {
  color: #fff;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 28px;
  margin-top: 22px;
}

.page-faq .faq-hero .eyebrow {
  color: var(--blue-200);
}

.page-faq .faq-hero h1 {
  margin: 10px 0 0;
  font-size: clamp(30px, 7vw, 54px);
  line-height: 1.14;
  letter-spacing: -.01em;
  font-weight: 800;
}

.page-faq .faq-hero__desc {
  max-width: 46ch;
  margin: 16px 0 0;
  font-size: 17px;
  line-height: 1.78;
  color: rgba(255, 255, 255, .82);
}

.page-faq .faq-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-faq .faq-hero__panel {
  padding: 22px;
  border-radius: var(--radius-l);
  border: 1px solid rgba(255, 255, 255, .18);
  background: rgba(255, 255, 255, .07);
  backdrop-filter: blur(12px);
}

.page-faq .faq-hero__panel-title {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--blue-200);
}

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

.page-faq .faq-hero__steps li {
  font-size: 15.5px;
  line-height: 1.6;
  color: #fff;
}

.page-faq .faq-hero__steps .mono {
  display: inline-block;
  margin-right: 10px;
  padding: 2px 7px;
  border-radius: 6px;
  font-size: 12px;
  color: var(--ink-950);
  background: var(--blue-200);
}

.page-faq .faq-hero__steps em {
  display: block;
  margin-top: 4px;
  padding-left: 42px;
  font-style: normal;
  font-size: 13.5px;
  color: rgba(255, 255, 255, .62);
}

.page-faq .faq-hero__band {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin-top: 34px;
  padding: 18px 0 26px;
  border-top: 1px solid rgba(255, 255, 255, .16);
}

.page-faq .faq-hero__band-k {
  font-size: 12px;
  letter-spacing: .14em;
  color: rgba(255, 255, 255, .55);
}

.page-faq .faq-hero__band-i {
  font-size: 14px;
  color: rgba(255, 255, 255, .78);
}

.page-faq .faq-hero__band-i b {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
}

.page-faq .faq-hero__band-i--now b {
  color: var(--orange-500);
}

/* ===== 版本确认 ===== */
.page-faq .faq-version {
  background: var(--gray-050);
}

.page-faq .faq-version__grid {
  margin-top: 28px;
}

.page-faq .faq-tabs {
  display: grid;
  gap: 18px;
}

.page-faq .faq-tabs__nav {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.page-faq .faq-tab {
  display: grid;
  gap: 4px;
  padding: 12px 12px 13px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-s);
  background: #fff;
  color: var(--text-900);
  text-align: left;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .faq-tab .mono {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .06em;
}

.page-faq .faq-tab em {
  font-style: normal;
  font-size: 12px;
  color: var(--gray-600);
}

.page-faq .faq-tab[aria-selected="true"] {
  border-color: var(--blue-600);
  background: var(--blue-050);
  box-shadow: inset 3px 0 0 var(--blue-600);
}

.page-faq .faq-tab:focus-visible {
  outline: 2px solid var(--blue-600);
  outline-offset: 2px;
}

.page-faq .faq-panels {
  display: grid;
  gap: 14px;
}

.page-faq .faq-panel {
  padding: 22px;
  border-radius: var(--faq-radius);
  border: 1px solid var(--gray-200);
  background: var(--faq-card-bg);
  box-shadow: var(--shadow-1);
}

.page-faq .faq-panel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.page-faq .faq-panel__range {
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--gray-600);
}

.page-faq .faq-panel p {
  margin: 0 0 10px;
  font-size: 16px;
  line-height: 1.75;
}

.page-faq .faq-panel__tip {
  margin-bottom: 0;
  padding-left: 12px;
  border-left: 3px solid var(--blue-200);
  font-size: 14.5px;
  color: var(--gray-600);
}

.page-faq .faq-notes {
  margin-top: 20px;
  padding: 20px;
  border-radius: var(--faq-radius);
  background: var(--ink-950);
  color: #fff;
}

.page-faq .faq-notes__title {
  margin: 0 0 12px;
  font-size: 15px;
  font-weight: 600;
  color: var(--blue-200);
}

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

.page-faq .faq-notes li {
  font-size: 14.5px;
  line-height: 1.6;
  color: rgba(255, 255, 255, .78);
}

.page-faq .faq-notes .mono {
  display: inline-block;
  min-width: 76px;
  margin-right: 8px;
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--orange-500);
}

.page-faq .faq-version__fig {
  margin: 22px 0 0;
}

.page-faq .media-frame figcaption {
  margin-top: 10px;
  font-size: 13.5px;
  color: var(--gray-600);
}

/* ===== 七步流程 ===== */
.page-faq .faq-flow__grid {
  display: grid;
  gap: 26px;
  margin-top: 28px;
}

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

.page-faq .step {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-s);
  background: #fff;
  transition: border-color var(--dur) var(--ease);
}

.page-faq .step[open] {
  border-color: var(--blue-600);
  box-shadow: var(--shadow-1);
}

.page-faq .step summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  padding: 13px 15px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .step__no {
  flex: none;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--blue-600);
}

.page-faq .step__title {
  flex: 1 1 auto;
  min-width: 110px;
  font-size: 16px;
  font-weight: 600;
}

.page-faq .step__body {
  padding: 12px 15px 16px;
  border-top: 1px dashed var(--gray-200);
  font-size: 15px;
  line-height: 1.75;
  color: var(--gray-600);
}

.page-faq .step__body p {
  margin: 0;
}

.page-faq .step__body ul {
  margin: 10px 0 0;
  padding-left: 18px;
}

.page-faq .step__body li {
  margin-bottom: 4px;
}

.page-faq .faq-flow__fig {
  margin: 0;
  align-self: start;
}

/* ===== 质保对照 ===== */
.page-faq .cover-grid {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.page-faq .cover-col {
  padding: 22px;
  border-radius: var(--faq-radius);
  background: #fff;
  border-top: 4px solid var(--gray-200);
  box-shadow: var(--shadow-1);
}

.page-faq .cover-col--yes {
  border-top-color: var(--green-600);
}

.page-faq .cover-col--no {
  border-top-color: var(--orange-500);
}

.page-faq .cover-col__k {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gray-600);
}

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

.page-faq .cover-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15.5px;
  line-height: 1.65;
}

.page-faq .cover-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green-600);
}

.page-faq .cover-col--no .cover-list li::before {
  background: var(--orange-500);
}

.page-faq .faq-warranty__note {
  margin: 20px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--gray-600);
}

.page-faq .faq-warranty__note a,
.page-faq .mobile-foot a,
.page-faq .help-card__note a {
  color: var(--blue-600);
  text-decoration: none;
  border-bottom: 1px solid var(--blue-200);
}

/* ===== 价格保护 ===== */
.page-faq .price-steps {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: price;
}

.page-faq .price-step {
  padding: 20px;
  border-radius: var(--faq-radius);
  background: var(--gray-050);
  border-left: 4px solid var(--orange-500);
}

.page-faq .price-step__no {
  display: inline-block;
  font-size: 12.5px;
  letter-spacing: .12em;
  color: var(--orange-500);
}

.page-faq .price-step__t {
  margin: 6px 0 6px;
  font-size: 17px;
  font-weight: 700;
}

.page-faq .price-step__d {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--gray-600);
}

.page-faq .faq-price__note {
  margin: 18px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--gray-600);
}

/* ===== 维修寄修 ===== */
.page-faq .faq-repair {
  color: #fff;
}

.page-faq .faq-repair .section-head__title {
  color: #fff;
}

.page-faq .faq-repair .section-head__aside,
.page-faq .faq-repair .eyebrow {
  color: var(--blue-200);
}

.page-faq .repair-stats {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.page-faq .stat {
  padding: 20px;
  border-radius: var(--faq-radius);
  border: 1px solid rgba(255, 255, 255, .16);
  background: rgba(255, 255, 255, .06);
}

.page-faq .stat__num {
  font-size: 38px;
  font-weight: 700;
  line-height: 1.05;
  color: var(--orange-500);
}

.page-faq .stat__unit {
  margin-left: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, .85);
}

.page-faq .stat__label {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255, 255, 255, .66);
}

.page-faq .repair-grid {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-faq .repair-card {
  padding: 20px;
  border-radius: var(--faq-radius);
  border: 1px solid rgba(255, 255, 255, .14);
  border-top: 3px solid var(--blue-200);
  background: rgba(7, 12, 20, .42);
}

.page-faq .repair-card__t {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
}

.page-faq .repair-card__d {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .74);
}

.page-faq .faq-repair__note {
  margin: 20px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--orange-500);
  font-size: 15px;
  line-height: 1.75;
  color: rgba(255, 255, 255, .78);
}

/* ===== 手机使用 ===== */
.page-faq .mobile-tips {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.page-faq .mobile-tip {
  padding: 20px;
  border-radius: var(--faq-radius);
  background: var(--blue-050);
  border: 1px solid var(--blue-200);
}

.page-faq .mobile-tip__no {
  display: inline-block;
  font-size: 12.5px;
  letter-spacing: .12em;
  color: var(--blue-700);
}

.page-faq .mobile-tip__t {
  margin: 6px 0 6px;
  font-size: 17px;
  font-weight: 700;
}

.page-faq .mobile-tip__d {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--gray-600);
}

.page-faq .mobile-foot {
  margin: 20px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--gray-600);
}

/* ===== 人工协助 ===== */
.page-faq .help-grid {
  display: grid;
  gap: 22px;
}

.page-faq .help-lead p {
  font-size: 16px;
  line-height: 1.78;
  color: var(--gray-600);
}

.page-faq .help-lead .section-head__title {
  margin: 10px 0 12px;
}

.page-faq .help-lead__note {
  padding-left: 12px;
  border-left: 3px solid var(--orange-500);
  font-size: 14.5px;
}

.page-faq .help-card {
  padding: 22px;
  border-radius: var(--radius-l);
  background: #fff;
  box-shadow: var(--shadow-1);
}

.page-faq .help-card__row {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--gray-200);
}

.page-faq .help-card__row:first-child {
  padding-top: 0;
}

.page-faq .help-card__k {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gray-600);
}

.page-faq .help-card__v {
  font-size: 17px;
  font-weight: 600;
  word-break: break-word;
}

.page-faq .help-card__note {
  margin: 16px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--gray-600);
}

/* ===== 小屏快捷条 ===== */
.page-faq .quick-dock {
  position: fixed;
  left: 12px;
  right: 12px;
  bottom: 12px;
  z-index: 40;
  display: flex;
  gap: 8px;
}

.page-faq .quick-dock__link {
  flex: 1 1 0;
  padding: 12px 6px;
  border-radius: var(--radius-s);
  background: var(--ink-800);
  color: #fff;
  font-size: 14px;
  text-align: center;
  text-decoration: none;
  box-shadow: var(--shadow-2);
}

.page-faq .quick-dock__link--accent {
  background: var(--blue-600);
}

.page-faq .quick-dock__link:focus-visible {
  outline: 2px solid var(--orange-500);
  outline-offset: 2px;
}

/* ===== 响应式 ===== */
@media (min-width: 700px) {
  .page-faq .faq-hero {
    padding-top: calc(var(--bar-h) + 52px);
  }

  .page-faq .faq-panel,
  .page-faq .cover-col,
  .page-faq .price-step,
  .page-faq .repair-card,
  .page-faq .mobile-tip,
  .page-faq .help-card {
    padding: 26px;
  }

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

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

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
    gap: 40px;
  }

  .page-faq .faq-hero__band {
    margin-top: 46px;
  }

  .page-faq .faq-version__grid {
    display: grid;
    grid-template-columns: 7fr 5fr;
    gap: 40px;
    align-items: start;
  }

  .page-faq .faq-version__fig {
    margin-top: 0;
  }

  .page-faq .faq-flow__grid {
    grid-template-columns: 7fr 5fr;
    gap: 40px;
  }

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

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

  .page-faq .help-grid {
    grid-template-columns: 6fr 6fr;
    gap: 40px;
    align-items: start;
  }

  .page-faq .quick-dock {
    display: none;
  }
}

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