.page-faq {
  --faq-line: rgba(167, 176, 190, 0.22);
  --faq-muted: #9AA4B4;
  --faq-soft: #4A5468;
  background: var(--ink);
  color: var(--silver);
}

.page-faq .breadcrumb {
  padding-top: 20px;
}

/* ============ 首屏 ============ */
.page-faq .faq-hero {
  position: relative;
  padding: 26px 0 44px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(880px 400px at 90% -14%, rgba(255, 75, 31, 0.18), transparent 62%),
    radial-gradient(660px 360px at 2% 108%, rgba(34, 224, 214, 0.10), transparent 60%);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 30px;
}

.page-faq .faq-hero__title {
  margin: 10px 0 16px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(30px, 8vw, 58px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--white);
  transform: rotate(-1.2deg);
  transform-origin: left top;
}

.page-faq .faq-hero__lead .lead {
  max-width: 66ch;
  color: var(--silver);
}

.page-faq .faq-hero__lead .btn-group {
  margin-top: 24px;
}

.page-faq .faq-hero__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-faq .faq-fact {
  background: var(--panel);
  padding: 14px 12px 16px;
}

.page-faq .faq-fact dt {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--metal);
}

.page-faq .faq-fact dd {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .faq-fact__unit {
  margin-left: 4px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 400;
  color: var(--metal);
}

/* ============ 分类导航条 ============ */
.page-faq .faq-nav {
  position: sticky;
  top: var(--header-h);
  z-index: 30;
  background: rgba(11, 16, 32, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-nav__inner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 10px;
  padding-bottom: 10px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-faq .faq-nav__inner::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-nav__label {
  display: none;
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--metal);
}

.page-faq .faq-nav__list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-nav__list a {
  display: inline-block;
  white-space: nowrap;
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--silver);
  text-decoration: none;
  transition: border-color 0.16s ease, color 0.16s ease, background 0.16s ease;
}

.page-faq .faq-nav__list a:hover,
.page-faq .faq-nav__list a:focus-visible {
  border-color: var(--brand);
  background: rgba(255, 75, 31, 0.10);
  color: var(--white);
  outline: none;
}

/* ============ 章节通用 ============ */
.page-faq .faq-section {
  padding: 52px 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-section__head {
  max-width: 760px;
  margin-bottom: 30px;
}

.page-faq .faq-section__head .section-title {
  margin: 10px 0 0;
}

.page-faq .faq-section__intro {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--faq-muted);
}

.page-faq .faq-subtitle {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--white);
}

/* ============ 三步向导 ============ */
.page-faq .faq-guide {
  display: grid;
  gap: 28px;
}

.page-faq .faq-steps {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 10px;
  bottom: 30px;
  width: 1px;
  background: linear-gradient(180deg, var(--brand), var(--cyan) 52%, transparent);
  opacity: 0.55;
}

.page-faq .faq-step {
  position: relative;
  padding-left: 50px;
  padding-bottom: 20px;
}

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

.page-faq .faq-step__marker {
  position: absolute;
  left: 0;
  top: 4px;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: var(--ink);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--metal);
  transition: border-color 0.16s ease, color 0.16s ease, box-shadow 0.16s ease;
}

.page-faq .faq-step:has(.faq-check__input:checked) .faq-step__marker {
  border-color: var(--brand);
  color: var(--brand-hi);
  box-shadow: 0 0 0 4px rgba(255, 75, 31, 0.12);
}

.page-faq .faq-step__body {
  padding: 18px 16px 20px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.page-faq .faq-step__body:hover {
  border-left-color: var(--brand);
  transform: translateY(-2px);
}

.page-faq .faq-step__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.5;
  color: var(--white);
}

.page-faq .faq-step__desc {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--faq-muted);
}

.page-faq .faq-check {
  display: grid;
  gap: 6px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-check__item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 10px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--silver);
  cursor: pointer;
  transition: background 0.16s ease, border-color 0.16s ease;
}

.page-faq .faq-check__item:hover {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.page-faq .faq-check__input {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  border: 1px solid var(--line-strong);
  border-radius: 5px;
  background: var(--ink-soft);
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  transition: border-color 0.16s ease, background 0.16s ease;
}

.page-faq .faq-check__input:checked {
  border-color: var(--cyan);
  background: rgba(34, 224, 214, 0.14);
}

.page-faq .faq-check__input:checked::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 10px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(42deg);
}

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

.page-faq .faq-check__input:checked + span {
  color: var(--metal);
  text-decoration: line-through;
  text-decoration-color: rgba(34, 224, 214, 0.55);
}

.page-faq .faq-guide__figure {
  margin: 0;
}

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

/* ============ 现象分类（浅色区） ============ */
.page-faq .faq-section--light {
  background: var(--silver);
  color: var(--ink);
  border-bottom: 1px solid rgba(11, 16, 32, 0.10);
}

.page-faq .faq-section--light .faq-section__head .eyebrow {
  color: var(--brand);
}

.page-faq .faq-section--light .section-title {
  color: var(--ink);
}

.page-faq .faq-section--light .faq-section__intro {
  color: var(--faq-soft);
}

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

.page-faq .faq-symptom__row {
  display: grid;
  gap: 10px;
  padding: 16px 16px 18px;
  border: 1px solid rgba(11, 16, 32, 0.10);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 2px 0 rgba(11, 16, 32, 0.04);
}

.page-faq .faq-symptom__id {
  justify-self: start;
  padding: 3px 9px;
  border: 1px solid rgba(255, 75, 31, 0.34);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--brand);
  background: rgba(255, 75, 31, 0.06);
}

.page-faq .faq-symptom__main h3 {
  margin: 2px 0 6px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.5;
  color: var(--ink);
}

.page-faq .faq-symptom__main p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--faq-soft);
}

.page-faq .faq-symptom__fix {
  margin: 0;
  padding-left: 11px;
  border-left: 2px solid var(--brand);
  font-size: 13.5px;
  line-height: 1.72;
  color: #1E2A44;
}

/* ============ 平板登录 ============ */
.page-faq .faq-tablet {
  display: grid;
  gap: 26px;
}

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

.page-faq .faq-tablet__item {
  padding: 16px 16px 18px;
  border-top: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(26, 34, 54, 0.72), rgba(26, 34, 54, 0.18));
}

.page-faq .faq-tablet__item:first-child {
  border-top-left-radius: var(--radius);
  border-top-right-radius: var(--radius);
}

.page-faq .faq-tablet__item:last-child {
  border-bottom-left-radius: var(--radius);
  border-bottom-right-radius: var(--radius);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-tablet__item h3 {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 16.5px;
  font-weight: 800;
  line-height: 1.5;
  color: var(--white);
}

.page-faq .faq-tablet__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--brand-hi);
}

.page-faq .faq-tablet__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--faq-muted);
}

.page-faq .faq-tablet__figure {
  margin: 0;
}

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

.page-faq .faq-tablet__note {
  margin-top: 26px;
  padding: 18px 16px;
  border: 1px dashed rgba(34, 224, 214, 0.42);
  border-radius: var(--radius);
  background: rgba(34, 224, 214, 0.05);
}

.page-faq .faq-tablet__note .eyebrow {
  margin: 0 0 8px;
  color: var(--cyan);
}

.page-faq .faq-tablet__note p:last-child {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--silver);
}

/* ============ 安装与更新 ============ */
.page-faq .faq-accordion {
  display: grid;
  gap: 10px;
}

.page-faq .faq-acc {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  overflow: hidden;
  transition: border-color 0.18s ease;
}

.page-faq .faq-acc[open] {
  border-color: rgba(255, 75, 31, 0.42);
}

.page-faq .faq-acc__summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 800;
  color: var(--white);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-acc__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 19px;
  line-height: 1;
  color: var(--brand);
}

.page-faq .faq-acc[open] .faq-acc__summary::after {
  content: "–";
}

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

.page-faq .faq-acc__idx {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
}

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

.page-faq .faq-acc__steps {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--faq-muted);
}

.page-faq .faq-acc__steps li::marker {
  font-family: var(--font-mono);
  color: var(--brand-hi);
}

/* ============ 同步与安全 ============ */
.page-faq .faq-sync {
  align-items: stretch;
}

.page-faq .faq-sync__card {
  border-color: var(--line);
  background: var(--panel);
}

.page-faq .faq-sync__card .card__title {
  color: var(--white);
  font-size: 17px;
}

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

.page-faq .faq-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--faq-muted);
}

.page-faq .faq-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 1px;
  background: var(--cyan);
}

/* ============ 术语与版本 ============ */
.page-faq .faq-glossary {
  align-items: start;
}

.page-faq .faq-glossary__col {
  min-width: 0;
}

.page-faq .faq-glossary .index-list {
  border-top: 1px solid var(--line);
}

.page-faq .faq-glossary .index-list__item {
  display: grid;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-glossary .index-list__item strong {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--white);
}

.page-faq .faq-glossary .index-list__item span {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--faq-muted);
}

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

.page-faq .faq-version__row {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-version__row:last-child {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-version__tag {
  align-self: start;
  padding: 3px 8px;
  border: 1px solid rgba(34, 224, 214, 0.38);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  text-align: center;
  color: var(--cyan);
  background: rgba(34, 224, 214, 0.06);
}

.page-faq .faq-version__row h4 {
  margin: 0 0 5px;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 800;
  color: var(--white);
}

.page-faq .faq-version__row p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--faq-muted);
}

/* ============ 人工支持 ============ */
.page-faq .faq-section--cta {
  border-bottom: none;
  background:
    linear-gradient(122deg, rgba(255, 75, 31, 0.16), rgba(34, 224, 214, 0.07) 58%, transparent 88%),
    var(--ink-soft);
}

.page-faq .faq-stuck {
  display: grid;
  gap: 28px;
}

.page-faq .faq-stuck__lead .btn {
  margin-top: 22px;
}

.page-faq .faq-stuck__list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-faq .faq-stuck__list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--silver);
}

.page-faq .faq-stuck__idx {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--brand-hi);
}

/* ============ 响应式 ============ */
@media (min-width: 640px) {
  .page-faq .faq-nav__label {
    display: inline-block;
  }

  .page-faq .faq-section {
    padding: 64px 0;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-step:nth-child(2) {
    margin-left: 18px;
  }

  .page-faq .faq-step:nth-child(3) {
    margin-left: 36px;
  }

  .page-faq .faq-symptom {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .faq-stuck {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero {
    padding: 42px 0 64px;
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 0.72fr);
    align-items: end;
    gap: 48px;
  }

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

  .page-faq .faq-fact {
    padding: 16px 18px 18px;
  }

  .page-faq .faq-guide {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    gap: 42px;
    align-items: start;
  }

  .page-faq .faq-tablet {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 40px;
    align-items: center;
  }

  .page-faq .faq-tablet__figure {
    order: -1;
  }
}
</｜｜DSML｜｜ parameter>
</invoke>