.page-faq {
  --faq-sticky: calc(var(--header-h) + 20px);
  --faq-block-gap: clamp(28px, 4vw, 56px);
  background: var(--ink);
  color: var(--fog);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(28px, 5vw, 64px) 0 clamp(24px, 3.5vw, 44px);
  background:
    radial-gradient(120% 100% at 82% -10%, rgba(95, 255, 208, 0.10), transparent 62%),
    repeating-linear-gradient(90deg, transparent 0 79px, rgba(27, 74, 62, 0.35) 79px 80px),
    var(--ink);
  overflow: hidden;
}

.page-faq .faq-hero .breadcrumbs {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-faq .hero-grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: end;
}

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

.page-faq .hero-main .lede {
  margin-top: clamp(16px, 2.4vw, 24px);
  max-width: 60ch;
}

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

.page-faq .hero-stat {
  padding: 14px 12px;
  background: rgba(12, 42, 35, 0.9);
}

.page-faq .hero-stat dt {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--sage);
}

.page-faq .hero-stat dd {
  margin: 6px 0 0;
  font-size: 26px;
  line-height: 1;
  color: var(--mist);
}

.page-faq .hero-stat dd .mono {
  color: var(--lime);
}

/* ---------- 速查表 ---------- */
.page-faq .quick-band {
  padding: clamp(28px, 4vw, 52px) 0 clamp(32px, 5vw, 64px);
  background: var(--pine);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-faq .quick-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 24px;
  margin-bottom: clamp(16px, 2.4vw, 26px);
}

.page-faq .quick-head .section-title {
  margin: 0;
}

.page-faq .quick-note {
  margin: 0;
  max-width: 46ch;
  font-size: 13px;
  line-height: 1.7;
  color: var(--sage);
}

.page-faq .quick-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-bottom: 1px solid var(--line);
}

.page-faq .quick-row {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 15px 4px;
  border-top: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  transition: background 0.18s var(--ease), padding-left 0.18s var(--ease);
}

.page-faq .quick-row:hover {
  background: rgba(184, 255, 61, 0.06);
  padding-left: 10px;
}

.page-faq .quick-row:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .quick-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--sage);
}

.page-faq .quick-main {
  display: block;
  min-width: 0;
}

.page-faq .quick-label {
  display: block;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.45;
}

.page-faq .quick-path {
  display: block;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--sage);
}

.page-faq .quick-go {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--lime);
}

.page-faq .quick-row:hover .quick-go {
  color: var(--cyan);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: clamp(24px, 3.5vw, 40px) 0 0;
}

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

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

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--sage);
}

.page-faq .faq-figure--narrow {
  max-width: 420px;
}

/* ---------- 问答区 ---------- */
.page-faq .qa-section {
  padding: clamp(32px, 5vw, 72px) 0 clamp(40px, 6vw, 88px);
}

.page-faq .qa-layout {
  display: grid;
  gap: var(--faq-block-gap);
  align-items: start;
}

.page-faq .qa-index {
  min-width: 0;
}

.page-faq .qa-index-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--sage);
}

.page-faq .qa-index-title .mono {
  color: var(--lime);
  font-size: 13px;
}

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

.page-faq .qa-index-list li {
  flex: 0 0 auto;
}

.page-faq .qa-index-list a {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-left: 2px solid transparent;
  font-size: 13px;
  color: var(--fog);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-faq .qa-index-list a:hover,
.page-faq .qa-index-list a:focus-visible {
  border-left-color: var(--lime);
  border-color: var(--line);
  background: rgba(184, 255, 61, 0.06);
  color: var(--mist);
}

.page-faq .qa-index-list a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .idx-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--sage);
}

.page-faq .idx-count {
  font-size: 11px;
  color: var(--sage);
}

.page-faq .qa-index-foot {
  display: none;
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.75;
  color: var(--sage);
}

.page-faq .qa-col {
  min-width: 0;
}

.page-faq .qa-col > .section-title {
  margin: 0 0 clamp(18px, 3vw, 30px);
}

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

.page-faq .qa-group + .qa-group {
  margin-top: clamp(30px, 4.5vw, 54px);
}

.page-faq .qa-group-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-faq .qa-group-num {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--lime);
}

.page-faq .qa-group-title {
  flex: 1 1 auto;
  margin: 0;
  font-size: clamp(19px, 2.6vw, 26px);
  line-height: 1.25;
  color: var(--mist);
  letter-spacing: -0.01em;
}

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

.page-faq .qa > summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 0;
  min-height: 44px;
  cursor: pointer;
  list-style: none;
  transition: color 0.18s var(--ease);
}

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

.page-faq .qa > summary:hover .qa-q {
  color: var(--lime);
}

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

.page-faq .qa-no {
  flex: 0 0 auto;
  padding-top: 3px;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--sage);
}

.page-faq .qa-q {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 15.5px;
  line-height: 1.6;
  font-weight: 600;
  color: var(--mist);
  transition: color 0.18s var(--ease);
}

.page-faq .qa-sign {
  position: relative;
  flex: 0 0 16px;
  width: 16px;
  height: 16px;
  margin-top: 4px;
}

.page-faq .qa-sign::before,
.page-faq .qa-sign::after {
  content: "";
  position: absolute;
  background: var(--lime);
  transition: transform 0.22s var(--ease), opacity 0.22s var(--ease);
}

.page-faq .qa-sign::before {
  left: 0;
  top: 7px;
  width: 16px;
  height: 2px;
}

.page-faq .qa-sign::after {
  left: 7px;
  top: 0;
  width: 2px;
  height: 16px;
}

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

.page-faq .qa-answer {
  max-width: 68ch;
  padding: 0 0 20px 34px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fog);
}

.page-faq .qa-answer p {
  margin: 0;
}

/* ---------- 两步路径卡 ---------- */
.page-faq .steps-card {
  margin: 18px 0 6px;
  padding: 16px 18px 10px;
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(184, 255, 61, 0.06), transparent 55%),
    var(--pine);
}

.page-faq .steps-title {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--sage);
}

.page-faq .steps-svg {
  display: block;
  width: 100%;
  max-width: 330px;
  height: auto;
}

/* ---------- 客服面板 ---------- */
.page-faq .support-panel {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  margin-top: clamp(24px, 3.5vw, 36px);
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--line);
}

.page-faq .support-title {
  margin: 10px 0 0;
  font-size: clamp(19px, 2.6vw, 24px);
  line-height: 1.3;
  color: var(--mist);
}

.page-faq .support-text {
  margin: 12px 0 20px;
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}

.page-faq .support-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .support-list .contact-item {
  padding: 12px 14px;
  background: var(--ink);
}

.page-faq .support-list .contact-label {
  display: block;
  margin-bottom: 4px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--sage);
}

.page-faq .support-list .contact-value {
  font-size: 14px;
  line-height: 1.6;
  color: var(--mist);
  word-break: break-word;
}

.page-faq .qa-footnote {
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.8;
  color: var(--sage);
}

.page-faq .qa-footnote a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(95, 255, 208, 0.4);
}

.page-faq .qa-footnote a:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* ---------- 窄屏微调 ---------- */
@media (max-width: 479px) {
  .page-faq .hero-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .hero-stat dd {
    font-size: 22px;
  }

  .page-faq .qa-answer {
    padding-left: 0;
  }

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

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-faq .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(240px, 320px);
  }

  .page-faq .quick-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(20px, 3vw, 48px);
  }

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

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

  .page-faq .support-list .contact-item--wide {
    grid-column: 1 / -1;
  }
}

/* ---------- 桌面：左侧粘性索引 ---------- */
@media (min-width: 980px) {
  .page-faq .qa-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-faq .qa-index {
    position: sticky;
    top: var(--faq-sticky);
    align-self: start;
  }

  .page-faq .qa-index-list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .qa-index-list li {
    flex: 1 1 auto;
  }

  .page-faq .qa-index-list a {
    justify-content: flex-start;
    border: 0;
    border-left: 2px solid var(--line);
    padding: 11px 10px;
    background: transparent;
  }

  .page-faq .qa-index-list a:hover,
  .page-faq .qa-index-list a:focus-visible {
    border-left-color: var(--lime);
    background: rgba(184, 255, 61, 0.05);
  }

  .page-faq .idx-label {
    flex: 1 1 auto;
  }

  .page-faq .qa-index-foot {
    display: block;
  }

  .page-faq .qa > summary {
    padding: 18px 0;
  }
}
<<<END>>>