.page-faq {
  --faq-radius-lg: 16px;
  --faq-panel-radius: 40px;
  background: var(--snow);
  color: var(--ink);
  overflow-x: clip;
}

/* ---------- 顶部上下文条 ---------- */
.page-faq .faq-topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 18px;
  padding-top: 22px;
}

.page-faq .faq-topbar__note {
  margin: 0;
  font-size: var(--fs-xs);
  letter-spacing: 0.06em;
  color: var(--ridge);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 20px 0 clamp(38px, 5.5vw, 74px);
  border-bottom: 1px solid var(--mist);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: linear-gradient(90deg, var(--lake) 0%, var(--aqua) 34%, var(--sun) 62%, rgba(242, 169, 59, 0) 92%);
  opacity: 0.6;
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(26px, 3.6vw, 48px);
  align-items: end;
}

.page-faq .faq-hero__main h1 {
  margin: 12px 0 0;
  max-width: 18ch;
}

.page-faq .faq-hero__main .lead {
  margin: 18px 0 0;
  max-width: 46ch;
  color: var(--ink);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-faq .faq-hero__panel {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 2.8vw, 32px);
  background: var(--deep);
  color: var(--snow);
  border-radius: 3px var(--faq-panel-radius) 3px 3px;
}

.page-faq .faq-hero__panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(215, 227, 236, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(215, 227, 236, 0.09) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none;
}

.page-faq .faq-hero__panel > * {
  position: relative;
}

.page-faq .faq-hero__panel-eyebrow {
  margin: 0;
  font-size: var(--fs-xs);
  letter-spacing: 0.12em;
  color: var(--aqua);
}

.page-faq .faq-hero__panel-text {
  margin: 14px 0 0;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: rgba(247, 250, 252, 0.82);
  max-width: 30ch;
}

.page-faq .faq-hero__links {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
}

.page-faq .faq-hero__links li {
  border-top: 1px solid rgba(215, 227, 236, 0.2);
}

.page-faq .faq-hero__links li:last-child {
  border-bottom: 1px solid rgba(215, 227, 236, 0.2);
}

.page-faq .faq-hero__links a {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 12px 2px;
  color: var(--snow);
  font-size: var(--fs-sm);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease), padding-left var(--t-fast) var(--ease);
}

.page-faq .faq-hero__links a:hover,
.page-faq .faq-hero__links a:focus-visible {
  color: var(--aqua);
  padding-left: 10px;
}

.page-faq .faq-hero__links .mono {
  font-size: 11px;
  color: var(--sun);
}

.page-faq .faq-hero__panel-foot {
  margin: 18px 0 0;
  font-size: var(--fs-xs);
  line-height: 1.7;
  color: rgba(247, 250, 252, 0.62);
}

/* ---------- 主体三栏 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(30px, 4vw, 54px);
  padding: clamp(44px, 6vw, 78px) 0 clamp(56px, 8vw, 96px);
}

/* ---------- 左侧栏目索引 ---------- */
.page-faq .faq-index__head {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.16em;
  color: var(--ridge);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--mist);
}

.page-faq .faq-index__item {
  border-bottom: 1px solid var(--mist);
}

.page-faq .faq-index__link {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 12px 10px;
  border-left: 2px solid transparent;
  color: var(--ridge);
  font-size: var(--fs-sm);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--lake);
  border-left-color: var(--aqua);
  background: rgba(14, 107, 168, 0.06);
}

.page-faq .faq-index__no {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--lake-2);
}

.page-faq .faq-index__foot {
  margin: 16px 0 0;
  font-size: var(--fs-xs);
  line-height: 1.8;
  color: var(--ridge);
}

/* ---------- 区块通用 ---------- */
.page-faq .faq-section {
  margin-bottom: clamp(48px, 7vw, 90px);
}

.page-faq .faq-section:last-child {
  margin-bottom: 0;
}

.page-faq .faq-section__head {
  max-width: 64ch;
  margin-bottom: clamp(22px, 2.8vw, 34px);
}

.page-faq .faq-section__head h2 {
  margin: 8px 0 0;
}

.page-faq .faq-section__lead {
  margin: 14px 0 0;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--ridge);
}

/* ---------- 六大栏目 ---------- */
.page-faq .faq-columns {
  display: grid;
  gap: clamp(26px, 3.4vw, 42px);
}

.page-faq .faq-columns__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-col {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  column-gap: 12px;
  padding: 20px 12px 22px 0;
  border-top: 1px solid var(--mist);
  transition: background-color var(--t-base) var(--ease);
}

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

.page-faq .faq-col:hover {
  background: linear-gradient(90deg, rgba(14, 107, 168, 0.07) 0%, rgba(14, 107, 168, 0) 72%);
}

.page-faq .faq-col__no {
  grid-column: 1;
  grid-row: 1;
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--lake);
}

.page-faq .faq-col > :not(.faq-col__no) {
  grid-column: 2;
}

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

.page-faq .faq-col__scope {
  margin: 8px 0 0;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--ink);
}

.page-faq .faq-col__q {
  margin: 8px 0 0;
  font-size: var(--fs-sm);
  line-height: 1.75;
  color: var(--ridge);
}

.page-faq .faq-col__qtag {
  display: inline-block;
  margin-right: 6px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--sun);
}

.page-faq .faq-col__link {
  justify-self: start;
  margin-top: 10px;
  font-size: var(--fs-sm);
  color: var(--lake);
  text-decoration: none;
  border-bottom: 1px solid rgba(14, 107, 168, 0.35);
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-faq .faq-col__link::after {
  content: " →";
}

.page-faq .faq-col__link:hover,
.page-faq .faq-col__link:focus-visible {
  color: var(--aqua);
  border-color: var(--aqua);
}

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

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

/* ---------- 折叠问答 ---------- */
.page-faq .qa-list {
  margin-top: clamp(20px, 2.6vw, 30px);
  border-top: 1px solid var(--mist);
}

.page-faq .qa-list--plain {
  margin-top: 0;
}

.page-faq .faq-quick__figure {
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  max-width: 640px;
}

.page-faq .qa {
  border-bottom: 1px solid var(--mist);
  box-shadow: inset 0 0 0 0 var(--aqua);
  transition: box-shadow var(--t-base) var(--ease), background-color var(--t-base) var(--ease);
}

.page-faq .qa[open] {
  box-shadow: inset 2px 0 0 var(--aqua);
  background: rgba(14, 107, 168, 0.035);
}

.page-faq .qa__summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 18px 12px 18px 14px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa__summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--lake);
  transition: transform var(--t-base) var(--ease), color var(--t-base) var(--ease);
}

.page-faq .qa[open] .qa__summary::after {
  transform: rotate(45deg);
  color: var(--aqua);
}

.page-faq .qa__summary:hover .qa__q {
  color: var(--lake);
}

.page-faq .qa__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--lake-2);
}

.page-faq .qa__q {
  margin: 0;
  font-size: var(--fs-body);
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
  transition: color var(--t-fast) var(--ease);
}

.page-faq .qa__body {
  padding: 0 54px 22px 46px;
}

.page-faq .qa__body p {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.9;
  color: var(--ridge);
}

.page-faq .qa__more {
  margin-top: 12px;
}

.page-faq .qa__more a {
  font-size: var(--fs-sm);
  color: var(--lake);
  text-decoration: none;
  border-bottom: 1px solid rgba(14, 107, 168, 0.35);
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-faq .qa__more a:hover,
.page-faq .qa__more a:focus-visible {
  color: var(--aqua);
  border-color: var(--aqua);
}

/* ---------- 四步说明 ---------- */
.page-faq .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(16px, 2.2vw, 24px);
}

.page-faq .step {
  position: relative;
  padding: 26px 22px 28px;
  background: var(--snow);
  border: 1px solid var(--mist);
  border-radius: var(--faq-radius-lg) 4px var(--faq-radius-lg) var(--faq-radius-lg);
  transition: transform var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease), border-color var(--t-base) var(--ease);
}

.page-faq .step::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 22px;
  right: 40%;
  height: 2px;
  background: linear-gradient(90deg, var(--lake), var(--aqua));
  opacity: 0.65;
}

.page-faq .step:hover {
  transform: translateY(-4px);
  border-color: var(--lake-2);
  box-shadow: 0 16px 34px -24px rgba(8, 25, 43, 0.65);
}

.page-faq .step__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.14em;
  color: var(--sun);
}

.page-faq .step h3 {
  margin: 10px 0 0;
}

.page-faq .step p {
  margin: 10px 0 0;
  font-size: var(--fs-sm);
  line-height: 1.85;
  color: var(--ridge);
}

.page-faq .step .step__hint {
  color: var(--lake);
}

/* ---------- 响应与支持 ---------- */
.page-faq .support-grid {
  display: grid;
  gap: clamp(24px, 3.2vw, 40px);
}

.page-faq .support-figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 18px;
}

.page-faq .support-figure {
  padding-top: 12px;
  border-top: 2px solid var(--mist);
}

.page-faq .support-figure__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--lake);
}

.page-faq .support-figure__label {
  margin: 8px 0 0;
  font-size: var(--fs-xs);
  line-height: 1.7;
  color: var(--ridge);
}

.page-faq .support-detail h3 {
  margin: 0;
}

.page-faq .support-detail p {
  margin: 14px 0 0;
  font-size: var(--fs-sm);
  line-height: 1.9;
  color: var(--ridge);
}

.page-faq .meter {
  margin-top: 18px;
}

.page-faq .meter__track {
  position: relative;
  height: 10px;
  border-radius: 999px;
  background: var(--mist);
  overflow: hidden;
}

.page-faq .meter__fill {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 53%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--lake), var(--aqua));
}

.page-faq .meter__scale {
  display: flex;
  justify-content: space-between;
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ridge);
}

/* ---------- 转人工 ---------- */
.page-faq .faq-human {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 4vw, 48px);
  background: var(--deep);
  color: var(--snow);
  border-radius: 4px var(--faq-panel-radius) 4px 4px;
}

.page-faq .faq-human::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(23, 195, 178, 0.28) 0%, rgba(23, 195, 178, 0) 70%);
  pointer-events: none;
}

.page-faq .faq-human > * {
  position: relative;
}

.page-faq .faq-human .eyebrow {
  color: var(--sun);
}

.page-faq .faq-human .h-2 {
  color: var(--snow);
  margin: 10px 0 0;
}

.page-faq .faq-human__lead {
  margin: 14px 0 0;
  max-width: 54ch;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: rgba(247, 250, 252, 0.84);
}

.page-faq .faq-human__list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-human__list li {
  position: relative;
  padding-left: 22px;
  font-size: var(--fs-sm);
  line-height: 1.75;
  color: rgba(247, 250, 252, 0.82);
}

.page-faq .faq-human__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 8px;
  height: 8px;
  border: 1.5px solid var(--sun);
  border-radius: 50%;
}

.page-faq .faq-human__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* ---------- 右侧快速定位 ---------- */
.page-faq .faq-side__inner {
  display: grid;
  gap: clamp(20px, 3vw, 30px);
}

.page-faq .faq-side__block {
  padding-top: 14px;
  border-top: 2px solid var(--lake);
}

.page-faq .faq-side__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--ridge);
}

.page-faq .faq-side__tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
}

.page-faq .faq-side__tags a {
  text-decoration: none;
}

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

.page-faq .faq-side__list a {
  color: var(--ink);
  font-size: var(--fs-sm);
  line-height: 1.65;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-faq .faq-side__list a:hover,
.page-faq .faq-side__list a:focus-visible {
  color: var(--lake);
  border-color: var(--lake-2);
}

.page-faq .faq-side__note {
  margin: 14px 0 0;
  font-size: var(--fs-xs);
  line-height: 1.8;
  color: var(--ridge);
}

.page-faq .faq-side__block .btn {
  margin-top: 16px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-human__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 24px;
  }
}

@media (min-width: 760px) {
  .page-faq .faq-index__inner {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-faq .faq-layout {
    grid-template-columns: 200px minmax(0, 1fr);
  }

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

  .page-faq .faq-side__inner {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }
}

@media (min-width: 920px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 7fr 5fr;
  }

  .page-faq .faq-columns {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
  }

  .page-faq .faq-columns__figure {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-faq .support-grid {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }

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

@media (min-width: 1060px) {
  .page-faq .faq-layout {
    grid-template-columns: 200px minmax(0, 1fr) 258px;
  }

  .page-faq .faq-side {
    grid-column: auto;
  }

  .page-faq .faq-side__inner {
    grid-template-columns: minmax(0, 1fr);
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-col,
  .page-faq .faq-index__link,
  .page-faq .faq-hero__links a,
  .page-faq .qa,
  .page-faq .qa__summary::after,
  .page-faq .qa__q,
  .page-faq .qa__more a,
  .page-faq .step,
  .page-faq .faq-col__link,
  .page-faq .faq-side__list a {
    transition: none;
  }

  .page-faq .step:hover {
    transform: none;
  }

  .page-faq .faq-hero__links a:hover {
    padding-left: 2px;
  }
}