.page-faq {
  background: var(--abyss);
  color: var(--limestone);
}

.page-faq .crumb {
  padding: clamp(16px, 3vw, 28px) 0 0;
}

/* ---------- 首屏框景 ---------- */
.page-faq .faq-hero {
  padding: clamp(14px, 2.6vw, 26px) 0 clamp(26px, 5vw, 54px);
}

.page-faq .faq-hero__frame {
  padding: clamp(22px, 4vw, 46px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas:
    "kick"
    "title"
    "lead"
    "acts"
    "stats";
  row-gap: clamp(14px, 2.4vw, 22px);
  background:
    linear-gradient(180deg, rgba(15, 46, 42, .72) 0%, rgba(10, 26, 28, .5) 100%);
}

.page-faq .faq-kicker {
  grid-area: kick;
  margin: 0;
  font-size: 11px;
  letter-spacing: .28em;
  color: var(--gold);
}

.page-faq .faq-title {
  grid-area: title;
  margin: 0;
  font-size: clamp(31px, 7.2vw, 68px);
  font-weight: 800;
  line-height: .98;
  letter-spacing: -.02em;
  color: var(--limestone);
}

.page-faq .faq-lead {
  grid-area: lead;
  margin: 0;
  max-width: 34em;
  font-size: clamp(14.5px, 1.7vw, 16.5px);
  line-height: 1.9;
  color: var(--limestone);
}

.page-faq .faq-stats {
  grid-area: stats;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--gold);
}

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

.page-faq .faq-stats li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 7px;
  height: 1px;
  background: var(--gold-line);
}

.page-faq .faq-actions {
  grid-area: acts;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 两栏骨架 ---------- */
.page-faq .faq-body {
  display: block;
  padding-bottom: clamp(40px, 7vw, 88px);
}

.page-faq .faq-aside {
  position: sticky;
  top: var(--bar-h);
  z-index: 6;
  margin-bottom: clamp(18px, 3.6vw, 34px);
  padding: 10px 0 12px;
  background: var(--abyss);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-index__title {
  display: none;
}

.page-faq .faq-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 2px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 8px 12px;
  border: 1px solid var(--line);
  color: var(--limestone);
  font-size: 13px;
  text-decoration: none;
  transition: border-color .18s var(--ease), color .18s var(--ease), background .18s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(224, 163, 60, .08);
}

.page-faq .faq-index__n {
  font-size: 10.5px;
  letter-spacing: .08em;
  color: var(--gold);
}

/* ---------- 章节分组 ---------- */
.page-faq .faq-group {
  margin-bottom: clamp(16px, 2.6vw, 26px);
  padding: clamp(20px, 3.6vw, 40px);
  border: 1px solid var(--line);
  scroll-margin-top: calc(var(--bar-h) + 86px);
}

.page-faq .faq-group--teal { background: rgba(15, 46, 42, .55); }
.page-faq .faq-group--karst { background: rgba(22, 68, 60, .34); }
.page-faq .faq-group--wine {
  background: rgba(110, 43, 69, .24);
  border-color: rgba(224, 163, 60, .20);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(12px, 2.2vw, 22px);
  align-items: start;
  padding-bottom: clamp(14px, 2.4vw, 22px);
  margin-bottom: clamp(16px, 2.6vw, 26px);
  border-bottom: 1px solid var(--line-strong);
}

.page-faq .faq-num {
  font-size: clamp(26px, 4.6vw, 44px);
  line-height: 1;
  letter-spacing: .02em;
  color: var(--gold);
}

.page-faq .faq-group__title {
  margin: 0 0 8px;
  font-size: clamp(18px, 2.7vw, 26px);
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: 1.25;
}

.page-faq .faq-group__intro {
  margin: 0;
  max-width: 36em;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 上手三步 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: clamp(12px, 2vw, 18px);
  margin: 0 0 clamp(18px, 3vw, 28px);
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  position: relative;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 26px;
  bottom: -16px;
  width: 1px;
  background: var(--line-strong);
}

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

.page-faq .faq-step__num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 24px;
  border: 1px solid var(--gold-line);
  background: var(--abyss);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--gold);
}

.page-faq .faq-step__text {
  margin: 2px 0 7px;
  font-size: 14.5px;
  line-height: 1.85;
}

.page-faq .faq-step__fork {
  margin: 0;
  padding-left: 10px;
  border-left: 1px solid var(--gold-line);
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 图版 ---------- */
.page-faq .faq-figure {
  margin: 0 0 clamp(18px, 3vw, 28px);
}

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

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--mist);
}

/* ---------- 问题条目 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 8px;
}

.page-faq .faq-item {
  border: 1px solid var(--line);
  background: rgba(10, 26, 28, .55);
  transition: border-color .18s var(--ease), background .18s var(--ease);
}

.page-faq .faq-item[open] {
  border-color: rgba(224, 163, 60, .40);
  background: rgba(10, 26, 28, .78);
}

.page-faq .faq-item__q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: baseline;
  padding: clamp(12px, 2vw, 16px) clamp(14px, 2.2vw, 20px);
  font-size: clamp(14px, 1.75vw, 16px);
  font-weight: 600;
  line-height: 1.6;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__q::after {
  content: "＋";
  font-family: var(--mono);
  font-size: 13px;
  color: var(--gold);
}

.page-faq .faq-item[open] > .faq-item__q::after { content: "－"; }

.page-faq .faq-item__q:hover,
.page-faq .faq-item__q:focus-visible { color: var(--light-teal); }

.page-faq .faq-item__idx {
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--gold);
}

.page-faq .faq-item__a {
  padding: 12px clamp(14px, 2.2vw, 20px) clamp(15px, 2.4vw, 20px);
  border-top: 1px dashed var(--line);
}

.page-faq .faq-item__a p {
  margin: 0;
  max-width: 36em;
  font-size: 14px;
  line-height: 1.9;
  color: var(--limestone);
}

/* ---------- 反馈模板 ---------- */
.page-faq .faq-tpl {
  margin-top: 14px;
  padding: clamp(12px, 2vw, 18px);
  border: 1px dashed var(--gold-line);
  background: rgba(110, 43, 69, .30);
}

.page-faq .faq-tpl__title {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-faq .faq-tpl__body {
  margin: 0;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 2;
  color: var(--limestone);
  white-space: pre-wrap;
  overflow-x: auto;
}

/* ---------- 朱砂提示 ---------- */
.page-faq .faq-note {
  margin: clamp(14px, 2.4vw, 20px) 0 0;
  padding: 12px 16px;
  border-left: 2px solid var(--vermilion);
  background: rgba(200, 56, 44, .12);
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--limestone);
}

/* ---------- 联系渠道 ---------- */
.page-faq .faq-spec {
  margin: 0;
}

.page-faq .faq-spec dt {
  padding: 14px 0 4px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-faq .faq-spec dd {
  margin: 0;
  padding: 0 0 14px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.85;
  color: var(--limestone);
}

/* ---------- 收束链接 ---------- */
.page-faq .faq-more {
  margin-top: clamp(18px, 3vw, 28px);
  padding-top: clamp(16px, 2.6vw, 24px);
  border-top: 1px solid var(--line-strong);
}

.page-faq .faq-more__text {
  margin: 0 0 14px;
  max-width: 42em;
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--mist);
}

.page-faq .faq-more__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
}

.page-faq .faq-more__links a {
  color: var(--light-teal);
  font-size: 13.5px;
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .faq-more__links a:hover,
.page-faq .faq-more__links a:focus-visible {
  color: var(--gold);
  border-color: var(--gold);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-hero__frame {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    grid-template-areas:
      "kick  kick"
      "title lead"
      "acts  lead"
      "stats stats";
    column-gap: clamp(22px, 4vw, 60px);
  }

  .page-faq .faq-lead { align-self: center; }

  .page-faq .faq-figure--side {
    max-width: 520px;
    margin-left: auto;
  }

  .page-faq .faq-spec dt { padding-top: 16px; }
}

@media (min-width: 1000px) {
  .page-faq .faq-body {
    display: grid;
    grid-template-columns: 236px minmax(0, 1fr);
    column-gap: clamp(28px, 4vw, 64px);
    align-items: start;
  }

  .page-faq .faq-aside {
    top: 16px;
    margin-bottom: 0;
    padding: 0 0 0 16px;
    border-bottom: 0;
    border-left: 1px solid var(--line);
  }

  .page-faq .faq-index__title {
    display: block;
    margin: 0 0 14px;
    font-size: 10.5px;
    letter-spacing: .2em;
    color: var(--mist);
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
  }

  .page-faq .faq-index__link {
    width: 100%;
    margin-left: -17px;
    padding: 9px 0 9px 15px;
    border: 0;
    border-left: 2px solid transparent;
    font-size: 13.5px;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    border-left-color: var(--gold);
    border-top-color: transparent;
    border-right-color: transparent;
    border-bottom-color: transparent;
    background: rgba(224, 163, 60, .07);
  }

  .page-faq .faq-group {
    scroll-margin-top: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__link,
  .page-faq .faq-item,
  .page-faq .faq-item__q,
  .page-faq .faq-more__links a {
    transition: none;
  }
}