.page-faq {
  --faq-line: rgba(42, 74, 64, .68);
  --faq-line-soft: rgba(155, 176, 166, .22);
  --faq-panel: #122C25;
  --faq-ink-link: #0E3A2C;
  background: var(--ink);
  color: var(--text);
  padding-bottom: clamp(48px, 8vw, 96px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.page-faq .faq-hero__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .38;
}

.page-faq .faq-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 84% 16%, rgba(198, 255, 61, .15), transparent 54%),
    linear-gradient(102deg, rgba(11, 31, 26, .97) 0%, rgba(11, 31, 26, .85) 54%, rgba(11, 31, 26, .95) 100%);
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  padding-top: clamp(40px, 7vw, 92px);
  padding-bottom: clamp(32px, 5vw, 64px);
}

.page-faq .faq-eyebrow {
  position: relative;
  display: inline-block;
  margin: 18px 0 0;
  padding-left: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-faq .faq-eyebrow::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 4px;
  height: 14px;
  transform: translateY(-50%);
  background: var(--red);
}

.page-faq .faq-title {
  margin: 16px 0 18px;
  max-width: 20ch;
  font-size: clamp(29px, 5.2vw, 54px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.025em;
  color: var(--cream-2);
}

.page-faq .faq-lede {
  margin: 0 0 28px;
  max-width: 58ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--text-soft);
}

.page-faq .faq-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 30px;
  max-width: 780px;
  border-top: 1px solid var(--faq-line-soft);
  padding-top: 18px;
}

.page-faq .faq-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 92px;
}

.page-faq .faq-stat__k {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-stat__v {
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--lime);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding-top: clamp(30px, 5vw, 60px);
}

@media (min-width: 960px) {
  .page-faq .faq-shell {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }
}

/* ---------- 左列目录 ---------- */
.page-faq .faq-index {
  border: 1px solid var(--edge-soft);
  background: rgba(18, 44, 37, .72);
  border-radius: var(--radius);
  padding: 16px 16px 12px;
}

@media (min-width: 960px) {
  .page-faq .faq-index {
    position: sticky;
    top: 92px;
  }
}

.page-faq .faq-index__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-index__list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 2px;
  border-bottom: 1px dashed var(--faq-line-soft);
  color: var(--text);
  font-size: 14px;
  line-height: 1.45;
  text-decoration: none;
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

.page-faq .faq-index__list li:last-child a {
  border-bottom: 0;
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--lime);
  border-color: var(--lime-deep);
}

.page-faq .faq-index__no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--amber);
}

@media (max-width: 959px) {
  .page-faq .faq-index__list {
    grid-auto-flow: column;
    grid-auto-columns: max-content;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 6px;
    scrollbar-width: thin;
  }

  .page-faq .faq-index__list a {
    padding: 8px 14px;
    border: 1px solid var(--edge-soft);
    border-radius: 999px;
    white-space: nowrap;
  }

  .page-faq .faq-index__list li:last-child a {
    border: 1px solid var(--edge-soft);
  }
}

/* ---------- 区块骨架 ---------- */
.page-faq .faq-section {
  margin-top: clamp(30px, 4.4vw, 52px);
  padding-top: clamp(26px, 4vw, 44px);
  border-top: 1px solid var(--faq-line);
  scroll-margin-top: 92px;
}

.page-faq .faq-section:first-of-type {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.page-faq .faq-sec-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  margin-bottom: 18px;
}

.page-faq .faq-sec-no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--lime);
  border: 1px solid var(--edge-soft);
  border-radius: var(--radius);
  padding: 3px 7px;
}

.page-faq .faq-sec-title {
  flex: 1 1 auto;
  margin: 0;
  font-size: clamp(21px, 2.8vw, 30px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -.02em;
  color: var(--cream-2);
}

.page-faq .faq-sec-note {
  flex: 1 1 100%;
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 权益卡片 ---------- */
.page-faq .benefit-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-bottom: 26px;
}

@media (min-width: 620px) {
  .page-faq .benefit-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1120px) {
  .page-faq .benefit-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-faq .benefit {
  --bn: var(--lime);
  position: relative;
  background: var(--faq-panel);
  border: 1px solid var(--edge-soft);
  border-radius: var(--radius);
  padding: 20px 16px 18px;
  transition: transform .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .benefit::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 0;
  width: 36px;
  height: 3px;
  background: var(--bn);
}

.page-faq .benefit:hover {
  transform: translateY(-3px);
  border-color: var(--bn);
}

.page-faq .benefit--lime { --bn: var(--lime); }
.page-faq .benefit--amber { --bn: var(--amber); }
.page-faq .benefit--blue { --bn: var(--blue); }
.page-faq .benefit--red { --bn: var(--red); }
.page-faq .benefit--mist { --bn: var(--mist); }
.page-faq .benefit--deep { --bn: var(--lime-deep); }

.page-faq .benefit__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--bn);
  margin-bottom: 8px;
}

.page-faq .benefit__name {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--cream-2);
}

.page-faq .benefit__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-soft);
}

/* ---------- 问答折叠 ---------- */
.page-faq .qa-list {
  border-top: 1px solid var(--faq-line);
}

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

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 4px;
  list-style: none;
  cursor: pointer;
  color: var(--cream-2);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  transition: color .16s var(--ease);
}

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

.page-faq .qa__q:hover .qa__text {
  color: var(--lime);
}

.page-faq .qa__marker {
  flex: 0 0 8px;
  width: 8px;
  height: 8px;
  margin-top: 8px;
  border-radius: 1px;
  background: var(--amber);
  transition: background .16s var(--ease), transform .2s var(--ease);
}

.page-faq .qa[open] .qa__marker {
  background: var(--lime);
  transform: rotate(45deg);
}

.page-faq .qa__text {
  flex: 1 1 auto;
}

.page-faq .qa__toggle {
  position: relative;
  flex: 0 0 18px;
  width: 18px;
  height: 18px;
  margin-top: 3px;
}

.page-faq .qa__toggle::before,
.page-faq .qa__toggle::after {
  content: "";
  position: absolute;
  background: var(--lime);
  transition: transform .2s var(--ease);
}

.page-faq .qa__toggle::before {
  left: 0;
  top: 8px;
  width: 18px;
  height: 2px;
}

.page-faq .qa__toggle::after {
  left: 8px;
  top: 0;
  width: 2px;
  height: 18px;
}

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

.page-faq .qa__a {
  margin: 0 0 18px;
  padding: 15px 18px;
  border-left: 3px solid var(--lime-deep);
  border-radius: var(--radius);
  background: var(--cream);
  color: var(--paper-ink);
  font-size: 14.5px;
  line-height: 1.8;
}

.page-faq .qa__a p {
  margin: 0;
}

.page-faq .qa__a a {
  color: var(--faq-ink-link);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--lime-deep);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-faq .qa__a a:hover {
  text-decoration-color: var(--red);
}

/* ---------- 回溯区侧栏 ---------- */
.page-faq .faq-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

@media (min-width: 900px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
    gap: 32px;
    align-items: start;
  }
}

.page-faq .faq-side {
  display: grid;
  gap: 14px;
}

.page-faq .shot {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--edge-soft);
  border-radius: var(--radius);
  background: var(--faq-panel);
}

.page-faq .shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-faq .shot__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 6px 10px;
  background: var(--lime);
  color: var(--paper-ink);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
}

.page-faq .path-card {
  border: 1px solid var(--edge-soft);
  border-radius: var(--radius);
  background: rgba(18, 44, 37, .62);
  padding: 16px;
}

.page-faq .path-card__title {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--cream);
}

.page-faq .faq-path {
  display: block;
  width: 100%;
  height: auto;
}

.page-faq .path-card__note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-soft);
}

/* ---------- 联系区块 ---------- */
.page-faq .faq-help {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 3.4vw, 36px);
  border: 1px solid var(--edge-soft);
  border-radius: var(--radius);
  background: linear-gradient(150deg, var(--ink-2) 0%, #0E2620 72%);
}

.page-faq .faq-help::before {
  content: "";
  position: absolute;
  right: -50px;
  top: -50px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(198, 255, 61, .2), transparent 68%);
  pointer-events: none;
}

.page-faq .faq-help__lede {
  position: relative;
  margin: 0 0 20px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
}

.page-faq .faq-help__steps {
  position: relative;
  display: grid;
  gap: 10px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-help__steps li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-faq .faq-help__num {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--lime-deep);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--lime);
}

.page-faq .faq-help__note {
  position: relative;
  margin: 0 0 22px;
  padding-top: 16px;
  border-top: 1px dashed var(--faq-line-soft);
  max-width: 62ch;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-help__actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.page-faq .faq-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: var(--lime);
  color: var(--paper-ink);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .02em;
  text-decoration: none;
  transition: transform .18s var(--ease), background .18s var(--ease);
}

.page-faq .faq-btn:hover {
  transform: translateY(-2px);
  background: var(--lime-deep);
}

.page-faq .faq-ghost {
  display: inline-flex;
  align-items: center;
  padding: 11px 20px;
  border: 1px solid var(--edge-soft);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: border-color .18s var(--ease), color .18s var(--ease);
}

.page-faq .faq-ghost:hover {
  border-color: var(--lime-deep);
  color: var(--lime);
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .benefit,
  .page-faq .qa__marker,
  .page-faq .qa__toggle::before,
  .page-faq .qa__toggle::after,
  .page-faq .faq-btn {
    transition: none;
  }

  .page-faq .benefit:hover,
  .page-faq .faq-btn:hover {
    transform: none;
  }
}