.page-faq {
  --faq-gap: clamp(18px, 3vw, 32px);
  --faq-card-bg: linear-gradient(165deg, rgba(19, 42, 74, .94), rgba(11, 27, 51, .96));
  background: var(--jl-space);
  color: var(--jl-paper);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--jl-top-h) + 48px) 0 clamp(48px, 6vw, 76px);
  background:
    radial-gradient(120% 90% at 84% 0%, rgba(95, 224, 208, .14), transparent 58%),
    radial-gradient(90% 70% at 4% 100%, rgba(192, 133, 82, .16), transparent 62%),
    var(--jl-space);
}

.page-faq .faq-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .26;
  filter: saturate(.8);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(6, 16, 31, .45) 0%, rgba(11, 27, 51, .88) 64%, var(--jl-space) 100%);
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__title {
  margin: 18px 0 20px;
  font-family: var(--jl-font-display);
  font-weight: 900;
  font-size: clamp(30px, 6vw, 62px);
  line-height: 1.14;
  letter-spacing: .01em;
  color: var(--jl-paper);
}

.page-faq .faq-hero__title em {
  font-style: normal;
  color: var(--jl-sand);
}

.page-faq .faq-hero__lead {
  max-width: 720px;
  margin: 0;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.85;
  color: var(--jl-mist);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-jump a {
  display: inline-block;
  padding: 9px 16px;
  font-family: var(--jl-font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--jl-paper);
  text-decoration: none;
  background: rgba(19, 42, 74, .68);
  border: 1px solid var(--jl-steel);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  transition: color .24s var(--jl-ease), border-color .24s var(--jl-ease), transform .24s var(--jl-ease);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  color: var(--jl-aurora);
  border-color: var(--jl-aurora);
  transform: translateY(-2px);
}

/* ---------- 章节标题 ---------- */
.page-faq .faq-head {
  max-width: 760px;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-faq .faq-head__num {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--jl-copper);
}

.page-faq .faq-head .jl-title {
  margin: 0 0 14px;
  font-size: clamp(23px, 3.4vw, 37px);
  line-height: 1.22;
}

.page-faq .faq-head__sub {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--jl-mist);
}

/* ---------- 三条速答 ---------- */
.page-faq .faq-cards {
  margin: 0;
}

.page-faq .faq-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 24px 24px;
  background: var(--faq-card-bg);
  clip-path: var(--jl-cut);
}

.page-faq .faq-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 58px;
  height: 2px;
  background: var(--jl-copper);
  transition: width .28s var(--jl-ease), background .28s var(--jl-ease);
}

.page-faq .faq-card:hover::before {
  width: 96px;
  background: var(--jl-aurora);
}

.page-faq .faq-card h3 {
  margin: 4px 0 0;
  font-size: 19px;
  line-height: 1.4;
  color: var(--jl-paper);
}

.page-faq .faq-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--jl-mist);
}

.page-faq .faq-card__link {
  margin-top: auto;
  align-self: flex-start;
  padding-bottom: 3px;
  font-family: var(--jl-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--jl-aurora);
  text-decoration: none;
  border-bottom: 1px solid rgba(95, 224, 208, .42);
  transition: border-color .24s var(--jl-ease);
}

.page-faq .faq-card__link:hover {
  border-bottom-color: var(--jl-aurora);
}

/* ---------- 两栏对照 ---------- */
.page-faq .faq-split {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
}

.page-faq .faq-split__text {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--jl-mist);
}

.page-faq .faq-split__text a,
.page-faq .faq-item__body a {
  color: var(--jl-aurora);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-figure {
  margin: 24px 0 0;
}

.page-faq .faq-figure .jl-figure__media {
  clip-path: var(--jl-cut);
  overflow: hidden;
}

/* ---------- 步骤 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 0 0 clamp(26px, 3.4vw, 40px);
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-faq .faq-step {
  position: relative;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 16px;
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 48px;
  bottom: -22px;
  width: 1px;
  background: repeating-linear-gradient(180deg, var(--jl-steel) 0 4px, transparent 4px 9px);
}

.page-faq .faq-step:last-child::before {
  display: none;
}

.page-faq .faq-step__num {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  font-family: var(--jl-font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--jl-sand);
  background: rgba(192, 133, 82, .12);
  border: 1px solid var(--jl-copper);
  border-radius: 50%;
}

.page-faq .faq-step h3 {
  margin: 8px 0 6px;
  font-size: 17px;
  color: var(--jl-paper);
}

.page-faq .faq-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--jl-mist);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 12px;
}

.page-faq .faq-item {
  background: var(--faq-card-bg);
  clip-path: var(--jl-cut);
  box-shadow: inset 3px 0 0 var(--jl-steel);
  transition: box-shadow .24s var(--jl-ease), background .24s var(--jl-ease);
}

.page-faq .faq-item:hover {
  box-shadow: inset 3px 0 0 var(--jl-copper);
}

.page-faq .faq-item[open] {
  box-shadow: inset 3px 0 0 var(--jl-aurora);
  background: linear-gradient(165deg, rgba(19, 42, 74, 1), rgba(11, 27, 51, 1));
}

.page-faq .faq-item > summary {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) 22px;
  align-items: center;
  gap: 10px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--jl-aurora);
  outline-offset: -4px;
}

.page-faq .faq-item__num {
  font-family: var(--jl-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--jl-copper);
  transition: color .24s var(--jl-ease);
}

.page-faq .faq-item[open] .faq-item__num {
  color: var(--jl-aurora);
}

.page-faq .faq-item__q {
  font-size: clamp(15px, 1.6vw, 17px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--jl-paper);
}

.page-faq .faq-item > summary::after {
  content: "";
  width: 9px;
  height: 9px;
  justify-self: center;
  border-right: 1.5px solid var(--jl-mist);
  border-bottom: 1.5px solid var(--jl-mist);
  transform: rotate(45deg);
  transition: transform .24s var(--jl-ease), border-color .24s var(--jl-ease);
}

.page-faq .faq-item[open] > summary::after {
  transform: rotate(-135deg);
  border-color: var(--jl-aurora);
}

.page-faq .faq-item__body {
  padding: 0 20px 22px 78px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--jl-mist);
}

/* ---------- 三档对照 ---------- */
.page-faq .faq-tiers {
  display: grid;
  gap: 16px;
  margin-bottom: clamp(28px, 4vw, 46px);
}

.page-faq .tier {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 24px 22px;
  background: linear-gradient(165deg, rgba(19, 42, 74, .9), rgba(6, 16, 31, .94));
  clip-path: var(--jl-cut);
}

.page-faq .tier--lead {
  background: linear-gradient(165deg, rgba(192, 133, 82, .22), rgba(19, 42, 74, .96) 55%, rgba(11, 27, 51, .98));
}

.page-faq .tier__name {
  margin: 0;
  font-family: var(--jl-font-display);
  font-size: 25px;
  letter-spacing: .04em;
  color: var(--jl-paper);
}

.page-faq .tier__for {
  margin: 6px 0 0;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--jl-sand);
}

.page-faq .tier__bar {
  height: 6px;
  background: rgba(44, 74, 110, .55);
  overflow: hidden;
}

.page-faq .tier__fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--jl-copper), var(--jl-aurora));
}

.page-faq .tier--1 .tier__fill { width: 38%; }
.page-faq .tier--2 .tier__fill { width: 70%; }
.page-faq .tier--3 .tier__fill { width: 100%; }

.page-faq .tier__scale {
  margin: 0;
  font-family: var(--jl-font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--jl-mist);
  text-transform: uppercase;
}

.page-faq .tier__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--jl-mist);
}

.page-faq .tier__list li {
  position: relative;
  padding-left: 16px;
}

.page-faq .tier__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 7px;
  height: 1px;
  background: var(--jl-copper);
}

/* ---------- 反馈渠道 ---------- */
.page-faq .faq-channels {
  display: grid;
  gap: 16px;
}

.page-faq .faq-channel {
  padding: 24px 22px;
  background: var(--faq-card-bg);
  clip-path: var(--jl-cut);
}

.page-faq .faq-channel__label {
  margin: 0;
  font-family: var(--jl-font-mono);
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--jl-copper);
}

.page-faq .faq-channel__value {
  margin: 10px 0 10px;
  font-family: var(--jl-font-mono);
  font-size: clamp(15px, 2vw, 18px);
  letter-spacing: .02em;
  line-height: 1.5;
  color: var(--jl-paper);
  word-break: break-word;
}

.page-faq .faq-channel__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--jl-mist);
}

.page-faq .faq-channel__desc a {
  color: var(--jl-aurora);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-feedback__note {
  margin: 26px 0 0;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--jl-mist);
  border-left: 1px solid var(--jl-tundra);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-next {
  margin-top: clamp(28px, 4vw, 48px);
  padding-bottom: clamp(48px, 6vw, 76px);
  background: linear-gradient(100deg, rgba(19, 42, 74, .92), rgba(6, 16, 31, .96));
  border-top: 1px solid var(--jl-steel);
}

.page-faq .faq-next__inner {
  display: grid;
  gap: 22px;
  align-items: center;
  padding-top: clamp(32px, 4vw, 52px);
}

.page-faq .faq-next__inner .jl-title {
  margin: 0 0 12px;
  font-size: clamp(21px, 2.8vw, 30px);
}

.page-faq .faq-next__text {
  margin: 0;
  max-width: 620px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--jl-mist);
}

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

/* ---------- 响应式 ---------- */
@media (max-width: 640px) {
  .page-faq .faq-hero {
    padding-top: calc(var(--jl-top-h) + 32px);
  }

  .page-faq .faq-item > summary {
    grid-template-columns: 40px minmax(0, 1fr) 18px;
    gap: 8px;
    padding: 16px 16px;
  }

  .page-faq .faq-item__body {
    padding: 0 16px 18px 16px;
  }

  .page-faq .faq-step {
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 12px;
  }

  .page-faq .faq-step__num {
    width: 36px;
    height: 36px;
    font-size: 12px;
  }

  .page-faq .faq-step::before {
    left: 17px;
    top: 42px;
  }
}

@media (min-width: 820px) {
  .page-faq .faq-tiers {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-faq .faq-split--reverse {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-faq .faq-split__aside {
    position: sticky;
    top: calc(var(--jl-top-h) + 28px);
  }

  .page-faq .faq-list--wide .faq-item__body {
    padding-right: clamp(20px, 6vw, 120px);
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-hero__lead {
    font-size: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump a,
  .page-faq .faq-card::before,
  .page-faq .faq-item,
  .page-faq .faq-item__num,
  .page-faq .faq-item > summary::after {
    transition: none;
  }

  .page-faq .faq-jump a:hover,
  .page-faq .faq-jump a:focus-visible {
    transform: none;
  }
}