.page-faq {
  --faq-accent-soft: rgba(166, 255, 61, 0.14);
  --faq-cyan-soft: rgba(47, 224, 200, 0.42);
  --faq-warn-soft: rgba(255, 201, 77, 0.08);
  display: block;
  padding-bottom: 72px;
}

.page-faq .breadcrumbs {
  padding: 20px 0 0;
  font-size: 13px;
}

.page-faq .display {
  margin: 14px 0 0;
  font-size: clamp(30px, 6.6vw, 54px);
  line-height: 1.14;
  letter-spacing: -0.01em;
}

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

.page-faq .lede {
  margin: 16px 0 0;
  max-width: 36em;
  color: var(--body);
}

.page-faq .annotation {
  margin: 16px 0 0;
  font-size: 13px;
  color: var(--mute);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 28px 0 8px;
  border-bottom: 1px solid var(--hair);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -8px;
  right: -14px;
  width: 140px;
  height: 140px;
  background: linear-gradient(135deg, var(--faq-accent-soft), rgba(47, 224, 200, 0) 64%);
  clip-path: polygon(100% 0, 100% 100%, 0 0);
  pointer-events: none;
}

.page-faq .faq-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 26px;
}

.page-faq .faq-jump {
  border: 1px solid var(--hair);
  background: var(--panel);
  padding: 16px 18px 6px;
}

.page-faq .faq-jump-title {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--mute);
}

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

.page-faq .faq-jump-list li + li a {
  border-top: 1px solid var(--hair);
}

.page-faq .faq-jump-list a {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 44px;
  padding: 4px 0;
  color: var(--body);
  text-decoration: none;
  font-size: 15px;
  overflow-wrap: anywhere;
  transition: color 0.18s ease;
}

.page-faq .faq-jump-list a span {
  flex: none;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--lime);
}

.page-faq .faq-jump-list a:hover,
.page-faq .faq-jump-list a:focus-visible {
  color: var(--ice);
}

.page-faq .faq-hero-figure {
  margin: 26px 0 0;
}

/* ---------- 章节骨架 ---------- */
.page-faq .chapter {
  padding: 44px 0;
  border-bottom: 1px solid var(--hair);
}

.page-faq .chapter-head {
  display: grid;
  gap: 8px;
  margin-bottom: 22px;
}

.page-faq .chapter-num {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--lime);
}

.page-faq .chapter-title {
  margin: 0;
  font-size: clamp(22px, 4vw, 30px);
  line-height: 1.28;
  color: var(--ice);
}

.page-faq .chapter-deck {
  margin: 0;
  max-width: 40em;
  color: var(--mute);
  font-size: 15px;
  line-height: 1.75;
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 12px;
}

.page-faq .faq-item {
  background: var(--panel);
  border: 1px solid var(--hair);
  border-left: 3px solid var(--hair);
  transition: border-color 0.18s ease, transform 0.18s ease, background-color 0.18s ease;
}

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

.page-faq .faq-item[open] {
  border-color: var(--lime);
  background: var(--raised);
}

.page-faq .faq-q {
  display: flex;
  align-items: baseline;
  gap: 14px;
  min-height: 60px;
  padding: 18px 18px;
  cursor: pointer;
  list-style: none;
  color: var(--ice);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
}

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

.page-faq .faq-q::after {
  content: "+";
  flex: none;
  margin-left: auto;
  font-family: var(--mono);
  font-size: 19px;
  line-height: 1;
  color: var(--mute);
  transition: color 0.18s ease;
}

.page-faq .faq-item[open] .faq-q::after {
  content: "–";
  color: var(--lime);
}

.page-faq .faq-num {
  flex: none;
  padding: 2px 6px;
  border: 1px solid var(--hair);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--dim);
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-faq .faq-item[open] .faq-num {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
}

.page-faq .faq-q-text {
  flex: 1;
  min-width: 0;
  overflow-wrap: anywhere;
}

.page-faq .faq-a {
  padding: 0 18px 20px;
}

.page-faq .faq-a > p {
  margin: 0;
  max-width: 38em;
  color: var(--body);
  font-size: 15px;
  line-height: 1.78;
}

.page-faq .faq-a > p + p {
  margin-top: 12px;
}

.page-faq .faq-sub {
  list-style: none;
  margin: 16px 0 0;
  padding: 0 0 0 20px;
  border-left: 2px solid var(--faq-cyan-soft);
  display: grid;
  gap: 10px;
}

.page-faq .faq-sub li {
  position: relative;
  color: var(--body);
  font-size: 15px;
  line-height: 1.72;
}

.page-faq .faq-sub li::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
}

/* ---------- 数据口径 ---------- */
.page-faq .faq-metrics {
  display: grid;
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
}

.page-faq .faq-metric {
  background: var(--panel);
  padding: 18px 16px;
}

.page-faq .faq-val {
  display: block;
  font-family: var(--mono);
  font-size: 24px;
  line-height: 1.2;
  color: var(--ice);
}

.page-faq .faq-val.is-lime {
  color: var(--lime);
}

.page-faq .faq-lab {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mute);
}

.page-faq .faq-notes {
  margin-top: 28px;
  display: grid;
  gap: 22px;
}

.page-faq .faq-notes h3 {
  margin: 0 0 8px;
  font-size: 16px;
  color: var(--ice);
}

.page-faq .faq-notes p {
  margin: 0;
  max-width: 38em;
  color: var(--body);
  font-size: 15px;
  line-height: 1.78;
}

/* ---------- 排查步骤 ---------- */
.page-faq .faq-check-layout {
  display: grid;
  gap: 30px;
}

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

.page-faq .faq-step {
  position: relative;
  margin-left: 12px;
  padding: 0 0 26px 30px;
  border-left: 2px solid var(--faq-cyan-soft);
}

.page-faq .faq-step:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-faq .faq-step-num {
  position: absolute;
  left: -13px;
  top: -2px;
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--hair);
  background: var(--ink);
  font-family: var(--mono);
  font-size: 12px;
  color: var(--cyan);
}

.page-faq .faq-step-body h3 {
  margin: 0 0 6px;
  font-size: 16px;
  color: var(--ice);
}

.page-faq .faq-step-body p {
  margin: 0;
  max-width: 36em;
  color: var(--body);
  font-size: 15px;
  line-height: 1.75;
}

.page-faq .faq-expect {
  display: block;
  margin-top: 8px;
  max-width: 36em;
  font-size: 14px;
  line-height: 1.7;
  color: var(--cyan);
}

.page-faq .faq-figure-note {
  margin: 0;
}

.page-faq .faq-warn {
  margin: 28px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--warn);
  background: var(--faq-warn-soft);
  color: var(--ice);
  font-size: 14px;
  line-height: 1.75;
}

/* ---------- 账号与会员中心 ---------- */
.page-faq .faq-reasons {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-faq .faq-reason {
  position: relative;
  padding-left: 22px;
  max-width: 40em;
  color: var(--body);
  font-size: 15px;
  line-height: 1.76;
}

.page-faq .faq-reason::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.74em;
  width: 11px;
  height: 2px;
  background: var(--orange);
}

.page-faq .faq-reason b {
  color: var(--ice);
  font-weight: 600;
}

.page-faq .faq-subhead {
  margin: 30px 0 0;
  font-size: 16px;
  color: var(--ice);
}

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

.page-faq .faq-check-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  max-width: 40em;
  color: var(--body);
  font-size: 15px;
  line-height: 1.7;
}

.page-faq .faq-check-item::before {
  content: "";
  flex: none;
  width: 13px;
  height: 13px;
  margin-top: 5px;
  border: 1px solid var(--cyan);
}

.page-faq .faq-inline-note {
  margin: 24px 0 0;
  max-width: 42em;
  color: var(--body);
  font-size: 15px;
  line-height: 1.78;
}

.page-faq .faq-inline-note--soft {
  color: var(--mute);
  font-size: 14px;
}

/* ---------- 客服渠道 ---------- */
.page-faq .faq-channels {
  display: grid;
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
}

.page-faq .faq-channel {
  background: var(--panel);
  padding: 18px 16px;
}

.page-faq .faq-channel-key {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mute);
}

.page-faq .faq-channel-val {
  display: block;
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 17px;
  line-height: 1.5;
  color: var(--ice);
  word-break: break-all;
}

/* ---------- 相关页面 ---------- */
.page-faq .faq-related-section {
  border-bottom: 0;
  padding-bottom: 8px;
}

.page-faq .faq-related {
  display: flex;
  gap: 12px;
  padding-bottom: 14px;
}

.page-faq .faq-related-link {
  display: block;
  flex: none;
  min-width: 230px;
  min-height: 44px;
  padding: 16px 18px;
  border: 1px solid var(--hair);
  background: var(--panel);
  color: var(--ice);
  text-decoration: none;
  font-size: 15px;
  transition: border-color 0.18s ease, transform 0.18s ease, background-color 0.18s ease;
}

.page-faq .faq-related-link small {
  display: block;
  margin-top: 8px;
  color: var(--mute);
  font-size: 13px;
  line-height: 1.6;
}

.page-faq .faq-related-link:hover,
.page-faq .faq-related-link:focus-visible {
  border-color: var(--lime);
  background: var(--raised);
  transform: translateY(-2px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-channels {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  }

  .page-faq .faq-q {
    padding: 20px 24px;
  }

  .page-faq .faq-a {
    padding: 0 24px 24px 24px;
  }
}

@media (min-width: 900px) {
  .page-faq {
    padding-bottom: 96px;
  }

  .page-faq .faq-hero {
    padding: 36px 0 12px;
  }

  .page-faq .faq-hero::before {
    top: -16px;
    right: -28px;
    width: 220px;
    height: 220px;
  }

  .page-faq .faq-hero-inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 48px;
    align-items: start;
  }

  .page-faq .faq-jump {
    margin-top: 36px;
  }

  .page-faq .faq-hero-figure {
    margin-top: 32px;
  }

  .page-faq .chapter {
    padding: 60px 0;
  }

  .page-faq .chapter-head {
    margin-bottom: 28px;
  }

  .page-faq .faq-check-layout {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 48px;
    align-items: start;
  }

  .page-faq .faq-notes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 32px;
  }

  .page-faq .faq-a > p,
  .page-faq .faq-sub,
  .page-faq .faq-reason,
  .page-faq .faq-check-item,
  .page-faq .faq-notes p {
    max-width: 34em;
  }

  .page-faq .faq-related-link {
    min-width: 250px;
  }
}
</style>