.page-faq {
  --faq-pad: clamp(15px, 2.4vw, 22px);
  color: var(--chalk);
}

.page-faq [id] {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(18px, 3vw, 34px) 0 clamp(24px, 4vw, 46px);
}

.page-faq .faq-hero__grid {
  row-gap: 20px;
}

.page-faq .faq-hero__kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--turf);
}

.page-faq .faq-hero__aside-text {
  margin: 0 0 16px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-hero__meta {
  margin: 0;
  padding-top: 10px;
  border-top: var(--line-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--chalk);
}

.page-faq .faq-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 7vw, 56px);
  line-height: 1.06;
  letter-spacing: -.02em;
}

.page-faq .faq-hero__accent {
  color: var(--neon);
}

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 68ch;
  font-size: clamp(15.5px, 2.2vw, 17px);
  line-height: 1.8;
}

.page-faq .faq-jump {
  display: flex;
  gap: 8px;
  margin: 24px 0 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-jump__link {
  display: inline-block;
  white-space: nowrap;
  padding: 9px 14px;
  border: var(--line);
  color: var(--chalk);
  font-size: 13px;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-jump__link:hover {
  border-color: var(--neon);
  color: var(--neon);
}

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

/* ---------- 三步自查 ---------- */
.page-faq .faq-steps {
  padding: clamp(28px, 5vw, 60px) 0;
  border-top: var(--line);
  border-bottom: var(--line);
  background-color: var(--ink-850);
  background-image: linear-gradient(115deg, rgba(0, 168, 107, .16) 0%, rgba(0, 168, 107, 0) 48%);
}

.page-faq .faq-steps__head {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .section__index {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--turf);
}

.page-faq .section__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 3.6vw, 30px);
  line-height: 1.2;
  letter-spacing: -.01em;
}

.page-faq .section__lede {
  margin: 10px 0 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

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

.page-faq .flow__item {
  padding: 18px 18px 20px;
  border: var(--line);
  border-top: 3px solid var(--turf);
  background-color: var(--ink-800);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), border-top-color var(--dur) var(--ease);
}

.page-faq .flow__item:hover {
  transform: translateY(-2px);
  border-color: var(--neon);
  border-top-color: var(--neon);
}

.page-faq .flow__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 24px;
  line-height: 1;
  color: var(--neon);
}

.page-faq .flow__title {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-size: 19px;
  line-height: 1.3;
  letter-spacing: -.01em;
}

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

.page-faq .faq-steps__figure {
  margin: clamp(22px, 4vw, 36px) 0 0;
}

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

.page-faq .figure__cap {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 主体栅格 ---------- */
.page-faq .faq-body {
  padding-top: clamp(26px, 4vw, 48px);
  padding-bottom: clamp(48px, 8vw, 96px);
  row-gap: 26px;
}

.page-faq .faq-index {
  padding-top: 14px;
  border-top: var(--line);
}

.page-faq .faq-index__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--turf);
}

.page-faq .faq-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-index__link {
  display: block;
  white-space: nowrap;
  padding: 8px 12px;
  border: var(--line);
  color: var(--muted);
  font-size: 13.5px;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-faq .faq-index__link:hover {
  color: var(--neon);
  border-color: var(--neon);
}

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

/* ---------- 问题区块 ---------- */
.page-faq .faq-block {
  margin-bottom: clamp(30px, 5vw, 52px);
}

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

.page-faq .faq-block .section__head {
  margin-bottom: 16px;
}

.page-faq .faq-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
}

.page-faq .qa {
  margin-bottom: 14px;
  border: var(--line);
  border-left: 3px solid var(--ink-600);
  background-color: var(--ink-850);
  transition: border-left-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .qa[open] {
  border-left-color: var(--neon);
  background-color: var(--ink-800);
}

.page-faq .qa__head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa__head:hover .qa__q {
  color: var(--neon);
}

.page-faq .qa__head:focus-visible {
  outline: 2px solid var(--volt);
  outline-offset: -3px;
}

.page-faq .qa__num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--turf);
}

.page-faq .qa[open] .qa__num {
  color: var(--neon);
}

.page-faq .qa__q {
  font-family: var(--font-display);
  font-size: clamp(16px, 2.6vw, 20px);
  line-height: 1.4;
  color: var(--chalk);
  transition: color var(--dur) var(--ease);
}

.page-faq .qa__sign {
  position: relative;
  width: 12px;
  height: 12px;
}

.page-faq .qa__sign::before,
.page-faq .qa__sign::after {
  content: "";
  position: absolute;
  background-color: var(--muted);
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .qa__sign::before {
  left: 0;
  top: 5px;
  width: 12px;
  height: 2px;
}

.page-faq .qa__sign::after {
  left: 5px;
  top: 0;
  width: 2px;
  height: 12px;
}

.page-faq .qa[open] .qa__sign::before {
  background-color: var(--neon);
}

.page-faq .qa[open] .qa__sign::after {
  transform: scaleY(0);
}

.page-faq .qa__body {
  padding: 16px var(--faq-pad) 20px;
  border-top: var(--line-soft);
}

.page-faq .qa__verdict {
  margin: 0 0 18px;
  padding-left: 12px;
  border-left: 2px solid var(--turf);
  font-size: 15px;
  line-height: 1.78;
  color: var(--chalk);
}

.page-faq .qa__verdict strong {
  display: inline-block;
  margin-right: 8px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--neon);
}

.page-faq .qa__cols {
  display: grid;
  gap: 20px;
}

.page-faq .qa__coltitle {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .qa__list {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

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

.page-faq .qa__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .74em;
  width: 6px;
  height: 6px;
  background-color: var(--ink-600);
}

.page-faq .qa__list--steps {
  counter-reset: qa-step;
}

.page-faq .qa__list--steps li {
  counter-increment: qa-step;
  padding-left: 28px;
}

.page-faq .qa__list--steps li::before {
  content: counter(qa-step, decimal-leading-zero);
  left: 0;
  top: 1px;
  width: auto;
  height: auto;
  background: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--neon);
}

.page-faq .qa__list a {
  color: var(--volt);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 102, 255, .5);
}

.page-faq .qa__list a:hover {
  color: var(--neon);
  border-bottom-color: var(--neon);
}

.page-faq .faq-block .figure {
  margin: 20px 0 0;
}

/* ---------- 联系 ---------- */
.page-faq .faq-contact__grid {
  display: grid;
  gap: 14px;
}

.page-faq .faq-contact__item {
  padding: 18px;
  border: var(--line);
  background-color: var(--ink-850);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-contact__item:hover {
  transform: translateY(-2px);
  border-color: var(--neon);
}

.page-faq .faq-contact__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--turf);
}

.page-faq .faq-contact__value {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--chalk);
  word-break: break-word;
}

.page-faq .faq-contact__value.mono {
  font-family: var(--font-mono);
  font-size: 14.5px;
  letter-spacing: .02em;
}

.page-faq .faq-contact__hint {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-contact__list {
  display: grid;
  gap: 7px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-contact__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--chalk);
}

.page-faq .faq-contact__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .7em;
  width: 6px;
  height: 6px;
  background-color: var(--neon);
}

.page-faq .faq-contact__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-contact__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (min-width: 760px) {
  .page-faq .qa__cols {
    grid-template-columns: 1fr 1fr;
    gap: 0;
  }

  .page-faq .qa__col:first-child {
    padding-right: 24px;
    border-right: var(--line-soft);
  }

  .page-faq .qa__col:last-child {
    padding-left: 24px;
  }
}

@media (min-width: 900px) {
  .page-faq .flow {
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
  }

  .page-faq .flow__item + .flow__item {
    border-left: 0;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    padding: 4px 0 4px 16px;
    border-top: 0;
    border-left: 2px solid var(--ink-700);
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 0;
    padding: 0;
    overflow: visible;
  }

  .page-faq .faq-index__link {
    padding: 9px 0;
    border: 0;
    border-bottom: var(--line-soft);
  }

  .page-faq .faq-index__link:hover {
    padding-left: 6px;
  }
}