.page-faq {
  --faq-shell: 1200px;
  --faq-gutter: clamp(16px, 4vw, 40px);
  --faq-gap: clamp(28px, 5vw, 56px);
  display: block;
  background: var(--sw-ink);
  color: var(--sw-white);
  font-family: var(--sw-font);
  font-weight: 450;
  line-height: 1.85;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: border-box;
}

.page-faq .faq-wrap {
  width: 100%;
  max-width: var(--faq-shell);
  margin: 0 auto;
  padding: clamp(92px, 13vw, 132px) var(--faq-gutter) clamp(56px, 8vw, 88px);
}

/* ── 面包屑 ── */
.page-faq .faq-crumbs {
  margin-bottom: clamp(26px, 5vw, 44px);
}

.page-faq .faq-crumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--sw-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sw-silver);
}

.page-faq .faq-crumbs li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-faq .faq-crumbs li + li::before {
  content: "/";
  color: var(--sw-line-2);
}

.page-faq .faq-crumbs a {
  color: var(--sw-silver);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--sw-ease), border-color 0.2s var(--sw-ease);
}

.page-faq .faq-crumbs a:hover {
  color: var(--sw-blue);
  border-bottom-color: var(--sw-blue);
}

.page-faq .faq-crumbs [aria-current="page"] {
  color: var(--sw-white);
}

/* ── 首屏 ── */
.page-faq .faq-hero {
  display: grid;
  gap: clamp(28px, 5vw, 48px);
  padding-bottom: clamp(30px, 5vw, 52px);
  border-bottom: 1px solid var(--sw-line);
}

.page-faq .faq-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-family: var(--sw-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--sw-green);
}

.page-faq .faq-eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--sw-green);
  box-shadow: 0 0 12px var(--sw-green);
}

.page-faq .faq-hero__title {
  margin: 0 0 18px;
  font-size: clamp(30px, 7.4vw, 56px);
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--sw-white);
  max-width: 16em;
}

.page-faq .faq-hero__lead {
  margin: 0 0 26px;
  font-size: clamp(15px, 2.4vw, 17px);
  line-height: 1.85;
  color: var(--sw-silver);
  max-width: 44em;
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--sw-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--sw-silver);
}

.page-faq .faq-num {
  color: var(--sw-white);
  font-weight: 600;
  font-size: 15px;
}

.page-faq .faq-hero__media {
  position: relative;
  margin: 0;
}

.page-faq .faq-hero__media::before {
  content: "";
  position: absolute;
  inset: -8% 6% 22% 26%;
  background: radial-gradient(circle at 68% 32%, rgba(46, 125, 255, 0.28), transparent 62%);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero__media img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--sw-r-md);
  border: 1px solid var(--sw-line);
  box-shadow: var(--sw-shadow);
  filter: saturate(0.92) contrast(1.04);
}

/* ── 分类胶囊 ── */
.page-faq .faq-jump {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 22px 0 clamp(26px, 4vw, 38px);
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

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

.page-faq .faq-pill {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: var(--sw-pill);
  border: 1px solid var(--sw-line-2);
  background: rgba(17, 24, 39, 0.72);
  color: var(--sw-white);
  font-size: 13px;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.22s var(--sw-ease), color 0.22s var(--sw-ease), transform 0.22s var(--sw-ease);
}

.page-faq .faq-pill:hover,
.page-faq .faq-pill:focus-visible {
  border-color: var(--sw-blue);
  color: var(--sw-blue);
  transform: translateY(-2px);
}

.page-faq .faq-pill__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex: 0 0 auto;
  background: var(--sw-blue);
}

.page-faq .faq-pill__dot--pulse {
  background: var(--sw-pulse);
  box-shadow: 0 0 10px rgba(255, 90, 54, 0.85);
}

.page-faq .faq-pill__dot--green {
  background: var(--sw-green);
  box-shadow: 0 0 10px rgba(57, 255, 136, 0.8);
}

.page-faq .faq-pill__dot--violet {
  background: var(--sw-violet);
  box-shadow: 0 0 10px rgba(139, 92, 246, 0.8);
}

.page-faq .faq-pill__dot--blue {
  box-shadow: 0 0 10px rgba(46, 125, 255, 0.8);
}

/* ── 问题分组 ── */
.page-faq .faq-block {
  padding-top: clamp(30px, 5vw, 48px);
  margin-bottom: clamp(34px, 6vw, 62px);
  border-top: 1px solid var(--sw-line);
  scroll-margin-top: clamp(88px, 12vw, 118px);
}

.page-faq .faq-block__head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-faq .faq-block__index {
  font-family: var(--sw-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--sw-blue);
}

.page-faq .faq-block__title {
  margin: 0;
  font-size: clamp(21px, 4.6vw, 30px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -0.03em;
  color: var(--sw-white);
}

.page-faq .faq-block__desc {
  margin: 0;
  font-size: 15px;
  color: var(--sw-silver);
  max-width: 52em;
}

/* ── 步骤条 ── */
.page-faq .faq-split {
  display: grid;
  gap: 20px;
  margin-bottom: clamp(20px, 3vw, 30px);
}

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

.page-faq .faq-steps__item {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  border-radius: var(--sw-r-md);
  background: var(--sw-panel);
  border: 1px solid var(--sw-line);
  transition: border-color 0.24s var(--sw-ease), transform 0.24s var(--sw-ease);
}

.page-faq .faq-steps__item:hover {
  border-color: var(--sw-line-2);
  transform: translateX(3px);
}

.page-faq .faq-steps__item:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 32px;
  top: 100%;
  width: 1px;
  height: 12px;
  background: var(--sw-line-2);
}

.page-faq .faq-steps__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: var(--sw-pill);
  background: var(--sw-green);
  color: var(--sw-ink);
  font-family: var(--sw-mono);
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  box-shadow: 0 0 16px -4px rgba(57, 255, 136, 0.9);
}

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

.page-faq .faq-steps__title {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--sw-white);
}

.page-faq .faq-steps__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--sw-silver);
}

/* ── 配图 ── */
.page-faq .faq-shot {
  margin: 0;
}

.page-faq .faq-shot img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--sw-r-md);
  border: 1px solid var(--sw-line);
  filter: saturate(0.9);
}

.page-faq .faq-shot figcaption {
  margin-top: 10px;
  font-family: var(--sw-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--sw-silver);
}

/* ── 问答折叠 ── */
.page-faq .faq-accordion {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  border: 1px solid var(--sw-line);
  border-left: 2px solid transparent;
  border-radius: var(--sw-r-md);
  background: rgba(17, 24, 39, 0.72);
  transition: border-left-color 0.24s var(--sw-ease), background 0.24s var(--sw-ease), box-shadow 0.24s var(--sw-ease);
}

.page-faq .faq-item[open] {
  border-left-color: var(--sw-pulse);
  background: var(--sw-panel);
  box-shadow: var(--sw-shadow);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 18px;
  list-style: none;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--sw-white);
  transition: color 0.22s var(--sw-ease);
}

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

.page-faq .faq-item__q:hover {
  color: var(--sw-blue);
}

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

.page-faq .faq-item__mark {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: var(--sw-r-sm);
  border: 1px solid var(--sw-line-2);
  font-family: var(--sw-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--sw-blue);
}

.page-faq .faq-item[open] .faq-item__mark {
  border-color: var(--sw-pulse);
  color: var(--sw-pulse);
}

.page-faq .faq-item__text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-item__icon {
  position: relative;
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
}

.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: calc(50% - 1px);
  height: 1.5px;
  background: var(--sw-silver);
  transition: transform 0.26s var(--sw-ease), background 0.26s var(--sw-ease);
}

.page-faq .faq-item__icon::after {
  transform: rotate(90deg);
}

.page-faq .faq-item[open] .faq-item__icon::before {
  background: var(--sw-pulse);
}

.page-faq .faq-item[open] .faq-item__icon::after {
  transform: rotate(0deg);
  background: var(--sw-pulse);
}

.page-faq .faq-item__a {
  padding: 0 18px 18px 54px;
}

.page-faq .faq-item[open] .faq-item__a {
  animation: faq-reveal 0.3s var(--sw-ease) both;
}

@keyframes faq-reveal {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--sw-silver);
}

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

.page-faq .faq-item__a a,
.page-faq .faq-note a {
  color: var(--sw-blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 125, 255, 0.42);
  transition: color 0.2s var(--sw-ease), border-color 0.2s var(--sw-ease);
}

.page-faq .faq-item__a a:hover,
.page-faq .faq-note a:hover {
  color: var(--sw-green);
  border-bottom-color: var(--sw-green);
}

/* ── 行内提示 ── */
.page-faq .faq-note {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  align-items: baseline;
  margin: clamp(16px, 2.5vw, 22px) 0 0;
  padding: 13px 16px;
  border-radius: var(--sw-r-md);
  border: 1px dashed var(--sw-line-2);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--sw-silver);
}

/* ── 底部联系区 ── */
.page-faq .faq-cta {
  display: grid;
  gap: 20px;
  margin-top: clamp(30px, 5vw, 52px);
  padding: clamp(22px, 4vw, 36px);
  border-radius: var(--sw-r-lg);
  border: 1px solid var(--sw-line);
  border-left: 3px solid var(--sw-blue);
  background: var(--sw-panel);
  box-shadow: var(--sw-shadow);
}

.page-faq .faq-cta__title {
  margin: 0 0 8px;
  font-size: clamp(19px, 4vw, 26px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.3;
  color: var(--sw-white);
}

.page-faq .faq-cta__lead {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--sw-silver);
  max-width: 46em;
}

.page-faq .faq-contact {
  display: grid;
  gap: 10px;
  padding-top: 18px;
  border-top: 1px solid var(--sw-line);
}

.page-faq .faq-contact__row {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  font-size: 14px;
}

.page-faq .faq-contact__key {
  font-family: var(--sw-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--sw-silver);
}

.page-faq .faq-contact__val {
  color: var(--sw-white);
  word-break: break-word;
  line-height: 1.7;
}

.page-faq .faq-cta__btn {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--sw-pill);
  border: 1px solid var(--sw-blue);
  background: var(--sw-blue);
  color: #FFFFFF;
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  box-shadow: 0 14px 32px -20px rgba(46, 125, 255, 0.95);
  transition: transform 0.22s var(--sw-ease), box-shadow 0.22s var(--sw-ease);
}

.page-faq .faq-cta__btn:hover,
.page-faq .faq-cta__btn:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 18px 36px -18px rgba(46, 125, 255, 1);
}

/* ── 桌面布局 ── */
@media (min-width: 860px) {
  .page-faq .faq-hero {
    grid-template-columns: 1.12fr 0.88fr;
    align-items: center;
    gap: clamp(32px, 4vw, 56px);
  }

  .page-faq .faq-hero__media {
    transform: translateY(6px);
  }

  .page-faq .faq-block__head {
    grid-template-columns: 166px minmax(0, 1fr);
    column-gap: 28px;
    row-gap: 8px;
  }

  .page-faq .faq-block__index {
    grid-column: 1;
    grid-row: 1 / span 2;
    padding-top: 7px;
  }

  .page-faq .faq-block__title {
    grid-column: 2;
    grid-row: 1;
  }

  .page-faq .faq-block__desc {
    grid-column: 2;
    grid-row: 2;
  }

  .page-faq .faq-split {
    grid-template-columns: 1.06fr 0.94fr;
    align-items: start;
    gap: 24px;
  }

  .page-faq .faq-item__q {
    padding: 17px 22px;
  }

  .page-faq .faq-item__a {
    padding: 0 22px 20px 58px;
  }

  .page-faq .faq-cta {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    column-gap: 32px;
  }

  .page-faq .faq-cta__text {
    grid-column: 1;
  }

  .page-faq .faq-contact {
    grid-column: 2;
    padding-top: 0;
    border-top: 0;
  }

  .page-faq .faq-cta__btn {
    grid-column: 1;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-hero__title {
    max-width: 14em;
  }

  .page-faq .faq-item__a {
    max-width: 62em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item[open] .faq-item__a {
    animation: none;
  }

  .page-faq .faq-steps__item:hover,
  .page-faq .faq-pill:hover,
  .page-faq .faq-cta__btn:hover {
    transform: none;
  }
}