.page-faq {
  --faq-rail-w: 232px;
  --faq-gap: clamp(20px, 4vw, 42px);
  --faq-answer: #C7D2E0;
  display: block;
  background: var(--ink-blue);
  color: var(--paper);
  font-family: var(--font-sans);
  line-height: 1.7;
  overflow-x: hidden;
}

.page-faq a {
  color: inherit;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: clamp(24px, 5vw, 64px) 0 clamp(32px, 6vw, 76px);
  background:
    radial-gradient(120% 90% at 88% 4%, rgba(182, 255, 63, 0.16), transparent 58%),
    radial-gradient(80% 70% at 4% 96%, rgba(255, 107, 44, 0.12), transparent 62%),
    linear-gradient(180deg, #0A1B33 0%, #12294A 100%);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(40, 64, 95, 0.42) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(40, 64, 95, 0.28) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.7), transparent 78%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.7), transparent 78%);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  align-items: center;
}

.page-faq .faq-hero__copy {
  order: 1;
  min-width: 0;
}

.page-faq .faq-hero__figure {
  order: 2;
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, #12294A 0%, #0A1B33 100%);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  box-shadow: 0 18px 44px -28px rgba(0, 0, 0, 0.9);
}

.page-faq .faq-hero__figure::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(180deg, rgba(182, 255, 63, 0.07) 0 1px, transparent 1px 6px);
  mix-blend-mode: screen;
  pointer-events: none;
}

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

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--steel);
}

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

.page-faq .breadcrumb__link:hover,
.page-faq .breadcrumb__link:focus-visible {
  color: var(--pulse);
  border-bottom-color: var(--pulse);
}

.page-faq .breadcrumb__sep {
  color: var(--line);
}

.page-faq .faq-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  padding: 5px 12px;
  border: 1px solid var(--pulse);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--pulse);
  background: rgba(182, 255, 63, 0.06);
}

.page-faq .faq-hero h1 {
  margin: 0 0 18px;
  font-size: clamp(28px, 5.2vw, 52px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--paper);
  max-width: 20em;
}

.page-faq .faq-hero__lead {
  margin: 0 0 26px;
  max-width: 46em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--faq-answer);
}

.page-faq .faq-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 主体：索引 + 问答 ---------- */

.page-faq .faq-index {
  padding: clamp(34px, 6vw, 76px) 0 clamp(20px, 4vw, 44px);
}

.page-faq .faq-index__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 46px);
}

.page-faq .faq-rail {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 8px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-rail__title {
  width: 100%;
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--steel);
  text-transform: uppercase;
}

.page-faq .faq-rail .index-rail__link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 8px 12px;
  border-left: 3px solid transparent;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--steel);
  text-decoration: none;
  background: rgba(18, 41, 74, 0.34);
  transition: color 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-rail .index-rail__link:hover,
.page-faq .faq-rail .index-rail__link:focus-visible {
  color: var(--paper);
  background: rgba(40, 64, 95, 0.7);
}

.page-faq .faq-rail .index-rail__link[aria-current="true"] {
  color: var(--pulse);
  background: rgba(18, 41, 74, 0.95);
  border-left-color: var(--pulse);
}

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

.page-faq .faq-group {
  margin-bottom: clamp(34px, 5vw, 58px);
  scroll-margin-top: 96px;
}

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

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--line);
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--pulse);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(19px, 2.6vw, 27px);
  font-weight: 800;
  line-height: 1.34;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-group__note {
  margin: 14px 0 6px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--steel);
  max-width: 52em;
}

.page-faq .faq-inline-media {
  margin: 20px 0 10px;
  width: 100%;
  max-width: 320px;
  aspect-ratio: 4 / 5;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--night);
  overflow: hidden;
}

.page-faq .faq-inline-media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

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

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 6px 16px 0;
  border-left: 3px solid transparent;
  cursor: pointer;
  list-style: none;
  transition: background 0.2s var(--ease), padding-left 0.2s var(--ease), border-color 0.2s var(--ease);
}

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

.page-faq .faq-item > summary:hover {
  background: rgba(18, 41, 74, 0.58);
  padding-left: 8px;
}

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--pulse);
  outline-offset: 2px;
}

.page-faq .faq-item[open] > summary {
  background: rgba(18, 41, 74, 0.92);
  border-left-color: var(--pulse);
  padding-left: 8px;
}

.page-faq .faq-item__no {
  flex: none;
  min-width: 22px;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--steel);
  transition: color 0.2s var(--ease);
}

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

.page-faq .faq-item__text {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.55;
  color: var(--paper);
  transition: color 0.2s var(--ease);
}

.page-faq .faq-item[open] .faq-item__text {
  color: var(--pulse-soft);
}

.page-faq .faq-item__dot {
  flex: none;
  width: 8px;
  height: 8px;
  margin-top: 9px;
  border-radius: 50%;
  background: var(--line);
  transition: background 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-faq .faq-item[open] .faq-item__dot {
  background: var(--pulse);
  box-shadow: 0 0 0 4px rgba(182, 255, 63, 0.18);
}

.page-faq .faq-item__a {
  padding: 0 6px 20px 40px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--faq-answer);
  animation: faq-reveal 0.24s var(--ease) both;
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
}

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

.page-faq .faq-item__a a {
  color: var(--pulse);
  text-decoration: none;
  border-bottom: 1px solid rgba(182, 255, 63, 0.45);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-item__a a:hover,
.page-faq .faq-item__a a:focus-visible {
  color: var(--pulse-soft);
  border-bottom-color: var(--pulse-soft);
}

@keyframes faq-reveal {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 三步自查 ---------- */

.page-faq .faq-steps {
  padding: clamp(36px, 6vw, 80px) 0;
  background:
    linear-gradient(180deg, #0A1B33 0%, #12294A 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-steps__head {
  max-width: 62em;
  margin-bottom: clamp(22px, 4vw, 36px);
}

.page-faq .faq-steps__kicker {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--orange);
}

.page-faq .faq-steps__head h2 {
  margin: 0 0 14px;
  font-size: clamp(22px, 3.4vw, 36px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-steps__intro {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--faq-answer);
}

.page-faq .faq-steps__chain {
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-faq .faq-steps__chain svg {
  display: block;
  width: 100%;
  height: auto;
  max-height: 48px;
}

.page-faq .faq-steps__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-faq .faq-step {
  position: relative;
  padding: 22px 20px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(10, 27, 51, 0.72);
  clip-path: polygon(18px 0, 100% 0, 100% 100%, 0 100%, 0 18px);
  transition: border-color 0.24s var(--ease), background 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-faq .faq-step:hover {
  border-color: rgba(182, 255, 63, 0.5);
  background: rgba(18, 41, 74, 0.9);
  transform: translateY(-3px);
}

.page-faq .faq-step__num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--pulse);
}

.page-faq .faq-step__title {
  margin: 0 0 10px;
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 800;
  color: var(--paper);
}

.page-faq .faq-step__body {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--faq-answer);
}

.page-faq .faq-step__check {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 联系人工 ---------- */

.page-faq .faq-human {
  padding: clamp(38px, 6vw, 84px) 0;
  background: var(--paper);
  color: var(--ink);
  background-image:
    linear-gradient(to right, rgba(16, 20, 24, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(16, 20, 24, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
}

.page-faq .faq-human__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 46px);
}

.page-faq .faq-human__kicker {
  margin: 0 0 12px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--ink);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--clay);
}

.page-faq .faq-human h2 {
  margin: 0 0 16px;
  font-size: clamp(22px, 3.4vw, 36px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-faq .faq-human__lead {
  margin: 0 0 24px;
  font-size: 16px;
  line-height: 1.8;
  color: #2C333B;
  max-width: 48em;
}

.page-faq .faq-human__list {
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(16, 20, 24, 0.16);
}

.page-faq .faq-human__list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 13px 2px;
  border-bottom: 1px solid rgba(16, 20, 24, 0.16);
}

.page-faq .faq-human__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--stone);
}

.page-faq .faq-human__v {
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
  word-break: break-word;
}

.page-faq .faq-human__v--mono {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-faq .faq-human__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-human__cta .btn--ghost {
  border-color: rgba(16, 20, 24, 0.4);
  color: var(--ink);
}

.page-faq .faq-human__cta .btn--ghost:hover,
.page-faq .faq-human__cta .btn--ghost:focus-visible {
  border-color: var(--clay);
  color: var(--clay);
}

.page-faq .faq-human__aside {
  align-self: start;
  padding: 24px 22px;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.62);
  box-shadow: 8px 8px 0 0 var(--moss);
}

.page-faq .faq-human__aside-title {
  margin: 0 0 16px;
  font-size: 17px;
  font-weight: 800;
  color: var(--ink);
}

.page-faq .faq-human__aside-list {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-human__aside-list li {
  position: relative;
  padding: 8px 0 8px 22px;
  font-size: 14.5px;
  line-height: 1.65;
  color: #2C333B;
  border-bottom: 1px dashed rgba(16, 20, 24, 0.18);
}

.page-faq .faq-human__aside-list li:last-child {
  border-bottom: 0;
}

.page-faq .faq-human__aside-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  width: 9px;
  height: 9px;
  background: var(--orange);
  border-radius: 1px;
}

.page-faq .faq-human__aside-note {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid rgba(16, 20, 24, 0.18);
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- 自适应 ---------- */

@media (min-width: 720px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 46fr) minmax(0, 54fr);
    gap: clamp(28px, 4.5vw, 60px);
  }

  .page-faq .faq-hero__figure {
    order: 1;
  }

  .page-faq .faq-hero__copy {
    order: 2;
  }

  .page-faq .faq-steps__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-faq .faq-human__list li {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-index__inner {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: clamp(30px, 4vw, 56px);
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 92px;
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 4px;
    padding-top: 0;
    padding-left: 16px;
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  .page-faq .faq-rail__title {
    margin-bottom: 12px;
  }

  .page-faq .faq-rail .index-rail__link {
    width: 100%;
    background: transparent;
    border-radius: 0 var(--radius) var(--radius) 0;
  }

  .page-faq .faq-human__inner {
    grid-template-columns: minmax(0, 62fr) minmax(0, 38fr);
    align-items: start;
  }

  .page-faq .faq-human__aside {
    position: sticky;
    top: 92px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-inline-media {
    max-width: 260px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

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