.page-faq {
  --faq-radius: 12px;
  display: block;
  background: var(--ink);
  color: var(--text);
  overflow-x: clip;
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(24px, 5vw, 56px) 0 clamp(30px, 5vw, 64px);
  background:
    radial-gradient(120% 90% at 10% 0%, rgba(180, 35, 43, .22), transparent 58%),
    radial-gradient(90% 80% at 94% 6%, rgba(201, 162, 76, .20), transparent 62%),
    linear-gradient(180deg, var(--ink) 0%, var(--panel-2) 100%);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  align-items: center;
}

.page-faq .faq-hero__kicker {
  margin: 16px 0 0;
  color: var(--gold);
}

.page-faq .faq-hero__title {
  margin: 12px 0 18px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: clamp(34px, 7.4vw, 78px);
  line-height: 1.06;
  letter-spacing: .01em;
  color: var(--gold-hi);
  background: linear-gradient(158deg, var(--gold-hi) 8%, var(--gold) 48%, var(--gold-deep) 96%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 40ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: var(--text-dim);
}

.page-faq .faq-hero__jump {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-hero__jump a {
  display: inline-block;
  padding: 9px 16px;
  font-size: 14px;
  color: var(--gold-hi);
  text-decoration: none;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(201, 162, 76, .12), rgba(13, 12, 11, .4));
  clip-path: polygon(9px 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%, 0 9px);
  transition: color .2s ease, border-color .2s ease, transform .2s ease;
}

.page-faq .faq-hero__jump a:hover,
.page-faq .faq-hero__jump a:focus-visible {
  color: var(--ink);
  border-color: var(--gold-hi);
  background: linear-gradient(180deg, var(--gold-hi), var(--gold));
  transform: translateY(-2px);
}

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

.page-faq .faq-hero__frame {
  border: 1px solid var(--line);
  transform: rotate(-1.4deg);
  box-shadow: var(--shadow-float);
}

.page-faq .smoke-line {
  display: block;
  width: 100%;
  height: 26px;
  margin-top: clamp(18px, 3vw, 34px);
  opacity: .8;
}

.page-faq .smoke-line svg {
  display: block;
  width: 100%;
  height: 100%;
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-body {
  padding: clamp(34px, 6vw, 76px) 0 clamp(24px, 4vw, 48px);
}

.page-faq .faq-body__inner {
  display: block;
}

.page-faq .faq-main__head {
  max-width: 46ch;
}

.page-faq .faq-main__head h2 {
  margin: 8px 0 10px;
  font-family: var(--font-head);
  font-size: clamp(24px, 4.2vw, 40px);
  line-height: 1.2;
  color: var(--gold-hi);
}

.page-faq .faq-main__note {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-faq .faq-chips {
  margin: 22px 0 6px;
}

.page-faq .faq-group {
  margin-top: clamp(26px, 4vw, 42px);
  padding-top: clamp(16px, 2.4vw, 24px);
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(20px, 3.4vw, 30px);
  color: var(--gold-hi);
}

.page-faq .faq-group__note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--text-mute);
}

.page-faq .faq-group__items {
  margin-top: 16px;
}

/* ---------- 折叠条目 ---------- */
.page-faq .faq-item {
  position: relative;
  margin-top: 12px;
  border: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(27, 25, 23, .94), rgba(21, 19, 18, .94));
  clip-path: polygon(var(--faq-radius) 0, 100% 0, 100% calc(100% - var(--faq-radius)), calc(100% - var(--faq-radius)) 100%, 0 100%, 0 var(--faq-radius));
  transition: border-color .24s ease;
}

.page-faq .faq-item:hover,
.page-faq .faq-item[open] {
  border-color: var(--line);
}

.page-faq .faq-item__q {
  position: relative;
  display: block;
  overflow: hidden;
  padding: 16px 48px 16px 40px;
  cursor: pointer;
  list-style: none;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.65;
  color: var(--text);
}

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

.page-faq .faq-item__q::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 23px;
  width: 8px;
  height: 8px;
  background: var(--text-mute);
  transform: rotate(45deg);
  transition: background .2s ease, box-shadow .2s ease;
}

.page-faq .faq-item[open] .faq-item__q::before {
  background: var(--cinnabar);
  box-shadow: 0 0 10px rgba(180, 35, 43, .85);
}

.page-faq .faq-item[open] > .faq-item__q::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(100deg, transparent 22%, rgba(242, 210, 139, .24) 50%, transparent 78%);
  animation: faq-sweep .75s ease-out 1;
}

@keyframes faq-sweep {
  from { transform: translateX(-110%); }
  to { transform: translateX(110%); }
}

.page-faq .faq-item__sign {
  position: absolute;
  right: 18px;
  top: 20px;
  width: 16px;
  height: 16px;
  pointer-events: none;
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 16px;
  height: 1px;
  background: var(--gold);
  transition: transform .24s ease, background .24s ease;
}

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

.page-faq .faq-item[open] .faq-item__sign::after {
  transform: rotate(90deg) scaleX(0);
}

.page-faq .faq-item[open] .faq-item__sign::before {
  background: var(--gold-hi);
}

.page-faq .faq-item__a {
  padding: 0 22px 18px 40px;
}

.page-faq .faq-item__a p {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-dim);
}

.page-faq .faq-item__a a {
  color: var(--gold-hi);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-item__a a:hover {
  border-bottom-color: var(--gold-hi);
}

.page-faq .faq-item__hint {
  color: var(--text-mute) !important;
  font-size: 13.5px !important;
  letter-spacing: .04em;
}

/* ---------- 排查清单 ---------- */
.page-faq .check-chain {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .check-chain__item {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-faq .check-chain__box {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  margin: 0;
}

.page-faq .check-chain__num {
  flex: none;
  width: 32px;
  height: 24px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--gold);
  border: 1px solid var(--line);
  background: rgba(201, 162, 76, .08);
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}

.page-faq .check-chain__box:checked ~ .check-chain__num {
  color: var(--ink);
  background: var(--jade);
  border-color: var(--jade);
}

.page-faq .check-chain__box:focus-visible ~ .check-chain__num {
  outline: 2px solid var(--gold-hi);
  outline-offset: 2px;
}

.page-faq .check-chain__box:checked ~ .check-chain__text {
  color: var(--text-mute);
}

/* ---------- 侧栏 ---------- */
.page-faq .faq-side {
  margin-top: clamp(34px, 5vw, 56px);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 4px;
  font-size: 14.5px;
  color: var(--text-dim);
  text-decoration: none;
  border-bottom: 1px dashed var(--line-soft);
  transition: color .2s ease, border-color .2s ease, padding-left .2s ease;
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--gold-hi);
  border-bottom-color: var(--line);
  padding-left: 8px;
}

.page-faq .faq-index__no {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
}

.page-faq .faq-side__strip {
  margin: 18px 0;
}

.page-faq .faq-side__call .idx {
  color: rgba(36, 31, 25, .6);
}

.page-faq .faq-side__call-text {
  margin: 10px 0 14px;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(36, 31, 25, .78);
}

.page-faq .faq-side__lines {
  margin: 0 0 16px;
  display: grid;
  gap: 10px;
}

.page-faq .faq-side__lines dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: rgba(36, 31, 25, .55);
}

.page-faq .faq-side__lines dd {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--paper-ink);
  word-break: break-word;
}

.page-faq .faq-side__btn {
  width: 100%;
  text-align: center;
}

/* ---------- 四项指标 ---------- */
.page-faq .faq-stats {
  padding: clamp(34px, 6vw, 78px) 0;
  background:
    radial-gradient(80% 70% at 88% 12%, rgba(31, 138, 112, .16), transparent 60%),
    linear-gradient(180deg, var(--panel-2) 0%, var(--ink) 100%);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-stats__inner {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  align-items: start;
}

.page-faq .faq-stats__text h2 {
  margin: 10px 0 12px;
  font-family: var(--font-head);
  font-size: clamp(24px, 4.4vw, 42px);
  line-height: 1.18;
  color: var(--gold-hi);
}

.page-faq .faq-stats__lead {
  margin: 0;
  max-width: 44ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-faq .metric-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .metric {
  padding: 14px 16px 16px;
  border-left: 2px solid var(--gold);
  background: linear-gradient(120deg, rgba(27, 25, 23, .92), rgba(13, 12, 11, .55));
}

.page-faq .metric__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--gold-hi);
  text-shadow: 0 0 12px rgba(201, 162, 76, .45);
}

.page-faq .metric__name {
  margin: 6px 0 6px;
  font-family: var(--font-head);
  font-size: 20px;
  color: var(--gold-hi);
}

.page-faq .metric__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-faq .faq-stats__foot {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--text-mute);
}

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

.page-faq .faq-stats__frame {
  border: 1px solid var(--line);
  transform: rotate(1.2deg);
}

/* ---------- 联系 ---------- */
.page-faq .faq-reach {
  padding: clamp(34px, 6vw, 72px) 0 clamp(20px, 3vw, 40px);
}

.page-faq .faq-reach__inner {
  color: var(--paper-ink);
}

.page-faq .faq-reach__inner .idx {
  color: rgba(36, 31, 25, .58);
}

.page-faq .faq-reach__inner h2 {
  margin: 8px 0 12px;
  font-family: var(--font-head);
  font-size: clamp(24px, 4.2vw, 40px);
  line-height: 1.2;
  color: var(--paper-ink);
}

.page-faq .faq-reach__text p {
  margin: 0;
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.9;
  color: rgba(36, 31, 25, .78);
}

.page-faq .faq-reach__list {
  margin: 26px 0 18px;
  display: grid;
  gap: 14px;
}

.page-faq .faq-reach__list dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: rgba(36, 31, 25, .55);
}

.page-faq .faq-reach__list dd {
  margin: 5px 0 0;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--paper-ink);
  word-break: break-word;
}

.page-faq .faq-reach__note {
  margin: 0 0 20px;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(36, 31, 25, .62);
}

.page-faq .faq-reach__btn {
  color: var(--paper-ink);
  border-color: rgba(36, 31, 25, .45);
}

.page-faq .faq-reach__btn:hover {
  color: var(--paper);
  background: var(--cinnabar);
  border-color: var(--cinnabar);
}

/* ---------- 延伸入口 ---------- */
.page-faq .faq-more {
  padding: clamp(24px, 4vw, 48px) 0 clamp(44px, 7vw, 88px);
}

.page-faq .faq-more__strip {
  margin-bottom: 20px;
}

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

.page-faq .faq-more__list li {
  min-width: 0;
}

.page-faq .faq-more__list .token {
  display: block;
  width: 100%;
  text-align: center;
  text-decoration: none;
}

.page-faq .faq-more__list .token__body {
  display: block;
  padding: 14px 16px;
  font-size: 15px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .metric-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 720px) {
  .page-faq .faq-reach__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
  }

  .page-faq .faq-stats__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  }
}

@media (min-width: 980px) {
  .page-faq .faq-body__inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 292px;
    gap: clamp(24px, 3vw, 48px);
    align-items: start;
  }

  .page-faq .faq-side {
    margin-top: 0;
  }

  .page-faq .faq-side__sticky {
    position: sticky;
    top: 20px;
  }

  .page-faq .faq-more__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item[open] > .faq-item__q::after {
    animation: none;
    opacity: 0;
  }

  .page-faq .faq-hero__jump a,
  .page-faq .faq-item__sign::before,
  .page-faq .faq-item__sign::after {
    transition: none;
  }
}