.page-faq {
  --faq-login: #6FFFE9;
  --faq-channel: #4D8FDB;
  --faq-report: #FF4D2E;
  --faq-member: #FF8A5C;
  --faq-more: #9FB2CC;
  --faq-card: #122E52;
  --faq-line: #2A4A78;
  --faq-accent: #6FFFE9;
  position: relative;
  padding-bottom: 80px;
  background:
    radial-gradient(900px 420px at 82% -6%, rgba(30, 90, 168, .30), transparent 72%),
    radial-gradient(680px 320px at 4% 30%, rgba(111, 255, 233, .06), transparent 72%);
}

.page-faq :focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 2px;
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumbs {
  padding-top: 26px;
  padding-bottom: 4px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 14px 0 0;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 20px;
  margin-top: 12px;
}

.page-faq .faq-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 5.4vw, 58px);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--ink);
  max-width: 14em;
}

.page-faq .faq-hero__lede {
  align-self: end;
}

.page-faq .faq-hero__lede p {
  margin: 0 0 10px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 38em;
}

.page-faq .faq-hero__lede p:first-child {
  color: var(--ink);
}

.page-faq .faq-hero__lede p:last-child {
  margin-bottom: 0;
}

/* ---------- 主题跳转带 ---------- */
.page-faq .faq-tabs {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  padding: 24px 0 6px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-tabs::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-tab {
  flex: 0 0 auto;
  scroll-snap-align: start;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 16px;
  border: 2px solid var(--faq-line);
  background: var(--faq-card);
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius);
  transition: transform .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}

.page-faq .faq-tab::before {
  content: "";
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  background: currentColor;
  transform: rotate(45deg);
}

.page-faq .faq-tab--login { color: var(--faq-login); border-color: rgba(111, 255, 233, .5); }
.page-faq .faq-tab--channel { color: var(--faq-channel); border-color: rgba(77, 143, 219, .5); }
.page-faq .faq-tab--report { color: var(--faq-report); border-color: rgba(255, 77, 46, .5); }
.page-faq .faq-tab--member { color: var(--faq-member); border-color: rgba(255, 138, 92, .5); }
.page-faq .faq-tab--more { color: var(--faq-more); border-color: rgba(159, 178, 204, .5); }

.page-faq .faq-tab:hover {
  transform: translateY(-2px);
  border-color: currentColor;
}

/* ---------- 主布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  padding-top: 22px;
}

.page-faq .faq-main {
  display: grid;
  gap: 52px;
  min-width: 0;
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: 110px;
  min-width: 0;
}

.page-faq #grp-login { --faq-accent: var(--faq-login); }
.page-faq #grp-channel { --faq-accent: var(--faq-channel); }
.page-faq #grp-report { --faq-accent: var(--faq-report); }
.page-faq #grp-member { --faq-accent: var(--faq-member); }
.page-faq #grp-more { --faq-accent: var(--faq-more); }

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding-bottom: 14px;
  margin-bottom: 20px;
  border-bottom: 2px solid var(--faq-line);
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  border: 2px solid var(--faq-line);
  border-radius: var(--radius);
  background: rgba(18, 46, 82, .75);
}

.page-faq .faq-chip--login { color: var(--faq-login); border-color: rgba(111, 255, 233, .55); background: rgba(111, 255, 233, .08); }
.page-faq .faq-chip--channel { color: var(--faq-channel); border-color: rgba(77, 143, 219, .55); background: rgba(77, 143, 219, .09); }
.page-faq .faq-chip--report { color: var(--faq-report); border-color: rgba(255, 77, 46, .55); background: rgba(255, 77, 46, .09); }
.page-faq .faq-chip--member { color: var(--faq-member); border-color: rgba(255, 138, 92, .55); background: rgba(255, 138, 92, .09); }
.page-faq .faq-chip--more { color: var(--faq-more); border-color: rgba(159, 178, 204, .55); background: rgba(159, 178, 204, .08); }

.page-faq .faq-group__head .rail-label {
  flex: 1 1 auto;
  min-width: 0;
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 20px;
  border: 2px solid var(--faq-line);
  background: var(--abyss);
  box-shadow: var(--shadow-hard-sm);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-figure--square img {
  aspect-ratio: 1 / 1;
}

.page-faq .faq-figure figcaption {
  padding: 10px 14px;
  border-top: 2px solid var(--faq-line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--muted);
  line-height: 1.6;
}

/* ---------- 手风琴 ---------- */
.page-faq .accordion {
  display: grid;
  gap: 10px;
}

.page-faq .accordion__item {
  border: 2px solid var(--faq-line);
  background: var(--night);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard-sm);
  overflow: hidden;
  transition: border-color .24s var(--ease);
}

.page-faq .accordion__item:has(.accordion__trigger[aria-expanded="true"]) {
  border-color: var(--faq-accent);
}

.page-faq .accordion__trigger {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 14px;
  width: 100%;
  padding: 18px 54px 18px 22px;
  background: var(--tier);
  border: 0;
  border-radius: 0;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  cursor: pointer;
  transition: background .22s var(--ease), font-size .22s var(--ease);
}

.page-faq .accordion__trigger::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--faq-accent);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform .24s var(--ease);
}

.page-faq .accordion__trigger::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--muted);
  transition: color .22s var(--ease);
}

.page-faq .accordion__trigger[aria-expanded="true"] {
  font-size: 20px;
  background: var(--faq-card);
}

.page-faq .accordion__trigger[aria-expanded="true"]::before {
  transform: scaleY(1);
}

.page-faq .accordion__trigger[aria-expanded="true"]::after {
  content: "–";
  color: var(--faq-accent);
}

.page-faq .accordion__trigger:hover {
  background: var(--faq-card);
}

.page-faq .faq-qnum {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  padding-top: 2px;
  color: var(--muted);
}

.page-faq .accordion__trigger[aria-expanded="true"] .faq-qnum {
  color: var(--faq-accent);
}

.page-faq .accordion__panel {
  overflow: hidden;
}

.page-faq .accordion__inner {
  padding: 6px 26px 22px 48px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink);
}

.page-faq .accordion__inner p {
  margin: 0 0 10px;
  max-width: 40em;
}

.page-faq .accordion__inner p:last-child {
  margin-bottom: 0;
}

.page-faq .accordion__inner a {
  color: var(--ice);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-hl {
  font-family: var(--font-mono);
  font-size: .95em;
  letter-spacing: .02em;
  color: var(--ice);
}

/* ---------- 步骤列表 ---------- */
.page-faq .faq-steps {
  counter-reset: faqstep;
  list-style: none;
  margin: 14px 0 12px;
  padding: 0;
  display: grid;
  gap: 9px;
  max-width: 40em;
}

.page-faq .faq-steps > li {
  counter-increment: faqstep;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  line-height: 1.7;
}

.page-faq .faq-steps > li::before {
  content: counter(faqstep, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--ice);
}

/* ---------- 还有问题 ---------- */
.page-faq .faq-more {
  display: grid;
  gap: 22px;
}

.page-faq .faq-more__text p {
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink);
  max-width: 40em;
}

.page-faq .faq-more__text p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-more__text a {
  color: var(--ice);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-group--more .faq-figure {
  margin-bottom: 0;
}

/* ---------- 右侧相关问题 ---------- */
.page-faq .faq-side {
  display: grid;
  gap: 18px;
  align-content: start;
  min-width: 0;
}

.page-faq .faq-side__card {
  border: 2px solid var(--faq-line);
  border-radius: var(--radius);
  background: linear-gradient(158deg, rgba(30, 90, 168, .24), rgba(18, 46, 82, .92));
  box-shadow: var(--shadow-hard-sm);
  padding: 18px 18px 14px;
}

.page-faq .faq-side__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-side__list a {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 9px 0;
  border-bottom: 1px solid rgba(42, 74, 120, .8);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.55;
  text-decoration: none;
  transition: color .2s var(--ease);
}

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

.page-faq .faq-side__list a::before {
  content: "→";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--ice);
}

.page-faq .faq-side__list a:hover,
.page-faq .faq-side__list a:focus-visible {
  color: var(--ice);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-more {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .85fr);
    align-items: start;
    gap: 28px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding-top: 22px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(300px, .95fr);
    gap: 44px;
    align-items: end;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) 302px;
    gap: 48px;
    padding-top: 30px;
  }

  .page-faq .faq-side {
    position: sticky;
    top: 108px;
  }
}

@media (max-width: 560px) {
  .page-faq {
    padding-bottom: 56px;
  }

  .page-faq .accordion__trigger {
    font-size: 16px;
    padding: 16px 48px 16px 18px;
    gap: 10px;
  }

  .page-faq .accordion__trigger[aria-expanded="true"] {
    font-size: 17.5px;
  }

  .page-faq .accordion__inner {
    padding: 4px 18px 20px 20px;
    font-size: 15.5px;
  }

  .page-faq .faq-hero__title {
    font-size: 30px;
  }

  .page-faq .faq-figure figcaption {
    font-size: 11.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-tab,
  .page-faq .accordion__trigger,
  .page-faq .accordion__trigger::before,
  .page-faq .accordion__trigger::after,
  .page-faq .faq-side__list a {
    transition: none;
  }

  .page-faq .faq-tab:hover {
    transform: none;
  }
}