.page-faq {
  --faq-panel: rgba(13, 24, 48, .82);
  --faq-soft: rgba(13, 24, 48, .6);
  padding-bottom: clamp(40px, 8vw, 96px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(18px, 5vw, 48px);
  padding-bottom: clamp(26px, 5vw, 56px);
}
.page-faq .faq-hero .breadcrumbs {
  margin-bottom: 20px;
}
.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  align-items: center;
}
.page-faq .faq-hero__text h1 {
  margin: 10px 0 16px;
  line-height: 1.14;
}
.page-faq .faq-hero__text .lead {
  max-width: 48ch;
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}
.page-faq .faq-jump a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--faq-soft);
  color: var(--white);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: border-color .2s ease, color .2s ease, transform .2s ease;
}
.page-faq .faq-jump a::before {
  content: "›";
  color: var(--orange);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1;
}
.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-2px);
}

.page-faq .faq-hero__panel {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(120% 120% at 100% 0%, rgba(0, 229, 200, .16), transparent 58%),
    linear-gradient(180deg, var(--bg-2), rgba(6, 11, 24, .96));
  overflow: hidden;
}
.page-faq .faq-flow {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 章节标题 ---------- */
.page-faq .section__head {
  margin-bottom: 24px;
}

/* ---------- 三步轨道 ---------- */
.page-faq .faq-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}
.page-faq .step-track {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .step-track::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 10px;
  bottom: 44px;
  width: 2px;
  background: linear-gradient(180deg, var(--gold), var(--cyan) 55%, rgba(0, 229, 200, 0));
}
.page-faq .step-track__item {
  position: relative;
  display: flex;
  gap: 16px;
  padding-bottom: 26px;
}
.page-faq .step-track__item:last-child {
  padding-bottom: 0;
}
.page-faq .step-track__no {
  position: relative;
  z-index: 1;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--gold);
  border-radius: 50%;
  background: var(--bg);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}
.page-faq .step-track__body {
  min-width: 0;
  padding-top: 2px;
}
.page-faq .step-track__body h3 {
  margin: 0 0 8px;
  font-size: 1.08rem;
}
.page-faq .step-track__body p {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.72;
}
.page-faq .step-track__body p.step-track__result {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 10px 12px;
  border-left: 3px solid var(--cyan);
  border-radius: 10px;
  background: var(--cyan-dim);
  color: var(--white);
  font-size: 13.5px;
  line-height: 1.6;
}

.page-faq .faq-figure {
  margin: 0;
}
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 问答面板 ---------- */
.page-faq .qa-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}
.page-faq .qa-card {
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: linear-gradient(180deg, var(--faq-panel), rgba(6, 11, 24, .92));
  overflow: hidden;
  transition: border-color .2s ease, transform .2s ease;
}
.page-faq .qa-card:hover {
  border-color: rgba(0, 229, 200, .4);
  transform: translateY(-2px);
}
.page-faq .qa-card[open] {
  border-color: rgba(0, 229, 200, .55);
}
.page-faq .qa-card > summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  color: var(--white);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  cursor: pointer;
  list-style: none;
}
.page-faq .qa-card > summary::-webkit-details-marker {
  display: none;
}
.page-faq .qa-card > summary::after {
  content: "+";
  flex: 0 0 auto;
  margin-left: auto;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1.2;
  transition: transform .25s ease;
}
.page-faq .qa-card[open] > summary::after {
  content: "–";
  transform: rotate(180deg);
}
.page-faq .qa-card > summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -3px;
}
.page-faq .qa-card__body {
  padding: 0 18px 18px;
}
.page-faq .qa-card__body p {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.75;
}
.page-faq .qa-card__body p + p {
  margin-top: 8px;
}
.page-faq .qa-card__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 200, .4);
}
.page-faq .qa-card__body a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 收藏与提醒 ---------- */
.page-faq .tip-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}
.page-faq .tip-card {
  padding: 20px 18px 20px 20px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--purple);
  border-radius: var(--r);
  background: linear-gradient(180deg, var(--bg-2), rgba(6, 11, 24, .94));
}
.page-faq .tip-card__tag {
  margin: 0;
  color: var(--purple);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.page-faq .tip-card h3 {
  margin: 12px 0 10px;
  font-size: 1rem;
}
.page-faq .tip-card p:not(.tip-card__tag) {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.72;
}

/* ---------- 账号与访问 ---------- */
.page-faq .faq-account {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  align-items: start;
}
.page-faq .faq-account .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .check-list {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  counter-reset: faqcheck;
  display: grid;
  gap: 12px;
}
.page-faq .check-list > li {
  position: relative;
  counter-increment: faqcheck;
  padding: 15px 16px 15px 48px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--faq-soft);
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.72;
}
.page-faq .check-list > li::before {
  content: counter(faqcheck, decimal-leading-zero);
  position: absolute;
  left: 16px;
  top: 16px;
  color: var(--orange);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}
.page-faq .check-list > li strong {
  display: block;
  margin-bottom: 5px;
  color: var(--white);
  font-size: 15px;
}
.page-faq .faq-account__body .muted a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 200, .4);
}
.page-faq .faq-account__body .muted a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 客服收尾 ---------- */
.page-faq .faq-cta {
  padding: clamp(22px, 4vw, 36px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(120% 150% at 100% 0%, rgba(166, 107, 255, .22), transparent 58%),
    radial-gradient(90% 120% at 0% 100%, rgba(0, 229, 200, .14), transparent 60%),
    var(--bg-2);
}
.page-faq .faq-cta h2 {
  margin: 0 0 10px;
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
}
.page-faq .faq-cta > p {
  max-width: 56ch;
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}
.page-faq .faq-cta__list {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}
.page-faq .faq-cta__list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(6, 11, 24, .6);
}
.page-faq .faq-cta__list .k {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.page-faq .faq-cta__list .v {
  color: var(--cyan);
  font-size: 14px;
  word-break: break-all;
}
.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-cta__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (min-width: 760px) {
  .page-faq .tip-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
@media (min-width: 820px) {
  .page-faq .qa-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
}
@media (min-width: 900px) {
  .page-faq .faq-account {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 40px;
  }
}
@media (min-width: 940px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
  }
}
@media (min-width: 960px) {
  .page-faq .faq-steps {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: 44px;
    align-items: start;
  }
  .page-faq .faq-figure {
    position: sticky;
    top: 96px;
  }
}

/* ---------- 无障碍与降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump a,
  .page-faq .qa-card,
  .page-faq .qa-card > summary::after {
    transition: none;
  }
  .page-faq .faq-jump a:hover {
    transform: none;
  }
  .page-faq .qa-card:hover {
    transform: none;
  }
}