/* ============ 帮助中心 page-faq ============ */
.page-faq {
  --faq-radius: var(--radius-lg);
  --faq-panel-bg: linear-gradient(160deg, rgba(28, 26, 69, .92), rgba(18, 18, 46, .96));
  display: block;
  color: var(--text);
  font-family: var(--font-sans);
  padding-bottom: clamp(40px, 7vw, 84px);
}

.page-faq .faq-shell {
  width: 100%;
  max-width: var(--shell-wide);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(24px, 4.5vw, 52px);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  max-width: 660px;
  font-size: clamp(25px, 5.4vw, 44px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.02em;
  text-shadow: 0 0 26px rgba(168, 85, 247, .35);
}

.page-faq .faq-hero .lede {
  margin: 16px 0 0;
  max-width: 68ch;
  color: var(--muted);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
}

.page-faq .faq-tools {
  margin-top: clamp(20px, 3vw, 30px);
  padding-bottom: clamp(20px, 3vw, 30px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  border-bottom: 1px solid transparent;
  border-image: linear-gradient(90deg, transparent, var(--line-strong), transparent) 1;
  border-image-slice: 0 0 1 0;
}

.page-faq .faq-search {
  flex: 1 1 300px;
  max-width: 440px;
}

.page-faq .faq-search__input {
  width: 100%;
  box-sizing: border-box;
  padding: 12px 20px;
  border-radius: var(--pill);
  border: 1px solid var(--line-strong);
  background: rgba(18, 18, 46, .85);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.4;
  transition: border-color .18s ease, box-shadow .18s ease;
}

.page-faq .faq-search__input::placeholder {
  color: var(--muted);
}

.page-faq .faq-search__input:focus-visible {
  outline: none;
  border-color: var(--neon);
  box-shadow: 0 0 0 3px rgba(168, 85, 247, .22), 0 0 18px rgba(168, 85, 247, .28);
}

.page-faq .faq-search__hint {
  margin: 0;
  flex: 1 1 220px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 双栏骨架 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 44px);
  margin-top: clamp(22px, 3.6vw, 40px);
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 246px minmax(0, 1fr);
    align-items: start;
  }
}

/* ---------- 左栏分类胶囊 ---------- */
.page-faq .faq-rail__title {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-cats {
  list-style: none;
  margin: 0;
  padding: 2px 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

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

.page-faq .faq-cats li {
  flex: 0 0 auto;
}

.page-faq .faq-cat {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 16px;
  border-radius: var(--pill);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(28, 26, 69, .9), rgba(18, 18, 46, .92));
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  text-decoration: none;
  transition: border-color .18s ease, box-shadow .18s ease, color .18s ease;
}

.page-faq .faq-cat:hover,
.page-faq .faq-cat:focus-visible {
  border-color: var(--neon);
  color: var(--neon-hi);
  box-shadow: 0 0 0 1px rgba(168, 85, 247, .38), 0 0 14px rgba(168, 85, 247, .3);
}

.page-faq .faq-cat__count {
  font-family: var(--font-mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--gold-soft);
}

@media (min-width: 960px) {
  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-offset) + 18px);
  }

  .page-faq .faq-cats {
    flex-direction: column;
    overflow: visible;
    padding: 0;
    gap: 8px;
  }

  .page-faq .faq-cats li {
    width: 100%;
    flex: 0 0 auto;
  }

  .page-faq .faq-cat {
    width: 100%;
    box-sizing: border-box;
    justify-content: space-between;
    border-radius: var(--radius-sm);
  }
}

/* ---------- 先看这三条 ---------- */
.page-faq .faq-top {
  border: 1px solid var(--line-strong);
  border-radius: var(--faq-radius);
  padding: clamp(20px, 3.2vw, 34px);
  background:
    radial-gradient(120% 95% at 6% 0%, rgba(168, 85, 247, .24), transparent 58%),
    radial-gradient(110% 120% at 100% 100%, rgba(45, 226, 230, .12), transparent 55%),
    var(--faq-panel-bg);
  scroll-margin-top: calc(var(--header-offset) + 20px);
}

.page-faq .faq-top__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
}

@media (min-width: 860px) {
  .page-faq .faq-top__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: center;
  }
}

.page-faq .faq-top h2 {
  margin: 10px 0 0;
  font-size: clamp(21px, 3.4vw, 30px);
  font-weight: 900;
  letter-spacing: -0.02em;
}

.page-faq .top-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .top-item {
  display: flex;
  gap: 14px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(7, 7, 26, .55);
  transition: border-color .18s ease, box-shadow .18s ease;
}

.page-faq .top-item:hover {
  border-color: var(--line-strong);
  box-shadow: 0 0 16px rgba(168, 85, 247, .18);
}

.page-faq .top-item__no {
  flex: 0 0 auto;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  color: var(--gold);
}

.page-faq .top-item__title {
  margin: 0;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.5;
  letter-spacing: -0.01em;
}

.page-faq .top-item p {
  margin: 6px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .top-item__link {
  display: inline-block;
  margin-top: 8px;
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed rgba(45, 226, 230, .45);
}

.page-faq .top-item__link:hover,
.page-faq .top-item__link:focus-visible {
  color: var(--neon-hi);
  border-bottom-color: var(--neon-hi);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-strong);
  object-fit: cover;
  box-shadow: 0 18px 42px rgba(7, 7, 26, .6);
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

.page-faq .faq-figure--top figcaption {
  color: var(--gold-soft);
}

/* ---------- 分类组 ---------- */
.page-faq .faq-group {
  margin-top: clamp(32px, 5.6vw, 62px);
  scroll-margin-top: calc(var(--header-offset) + 20px);
}

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

.page-faq .faq-group__head::after {
  content: "";
  flex: 1 1 auto;
  height: 1px;
  background: linear-gradient(90deg, var(--line-strong), transparent);
}

.page-faq .faq-group__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--neon);
}

.page-faq .faq-group h2 {
  margin: 0;
  font-size: clamp(20px, 3.2vw, 27px);
  font-weight: 900;
  letter-spacing: -0.02em;
}

.page-faq .faq-group__lede {
  margin: 10px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .faq-group .faq-figure {
  margin-top: 18px;
}

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

.page-faq .faq-inline-link {
  margin: 16px 0 0;
  font-size: 13.5px;
  color: var(--muted);
}

.page-faq .faq-inline-link a,
.page-faq .qa__a a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed rgba(45, 226, 230, .45);
}

.page-faq .faq-inline-link a:hover,
.page-faq .qa__a a:hover {
  color: var(--neon-hi);
  border-bottom-color: var(--neon-hi);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(160deg, rgba(28, 26, 69, .82), rgba(18, 18, 46, .94));
  overflow: hidden;
  transition: border-color .18s ease, box-shadow .18s ease;
}

.page-faq .qa + .qa {
  margin-top: 10px;
}

.page-faq .qa:hover,
.page-faq .qa:focus-within {
  border-color: var(--line-strong);
}

.page-faq .qa[open] {
  border-color: var(--line-strong);
  box-shadow: 0 0 22px rgba(168, 85, 247, .16);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 18px;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--text);
  list-style: none;
  cursor: pointer;
}

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

.page-faq .qa__q::marker {
  content: "";
}

.page-faq .qa__qtext {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .qa__q::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1.35;
  color: var(--neon-hi);
}

.page-faq .qa[open] .qa__q {
  color: var(--neon-hi);
}

.page-faq .qa[open] .qa__q::after {
  content: "\2013";
}

.page-faq .qa__a {
  padding: 0 18px 16px 34px;
  border-left: 3px solid transparent;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .qa[open] .qa__a {
  border-left-color: var(--cyan);
}

.page-faq .qa__a p {
  margin: 0;
}

.page-faq .qa__steps {
  list-style: none;
  counter-reset: faqstep;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-faq .qa__steps li {
  position: relative;
  counter-increment: faqstep;
  padding-left: 32px;
  line-height: 1.75;
}

.page-faq .qa__steps li::before {
  content: counter(faqstep);
  position: absolute;
  left: 0;
  top: 3px;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: rgba(168, 85, 247, .18);
  font-family: var(--font-mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--gold-soft);
}

/* ---------- 兜底咨询 ---------- */
.page-faq .faq-cta {
  margin-top: clamp(34px, 6vw, 64px);
  padding: clamp(22px, 3.4vw, 38px);
  border: 1px solid var(--line-strong);
  border-radius: var(--faq-radius);
  background:
    radial-gradient(110% 120% at 100% 0%, rgba(45, 226, 230, .16), transparent 55%),
    radial-gradient(90% 110% at 0% 100%, rgba(255, 180, 84, .12), transparent 55%),
    var(--faq-panel-bg);
  scroll-margin-top: calc(var(--header-offset) + 20px);
}

.page-faq .faq-cta h2 {
  margin: 10px 0 0;
  font-size: clamp(21px, 3.4vw, 30px);
  font-weight: 900;
  letter-spacing: -0.02em;
}

.page-faq .faq-cta__lede {
  margin: 12px 0 0;
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .cta-contacts {
  margin: clamp(18px, 3vw, 26px) 0 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

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

.page-faq .cta-contacts > div {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(7, 7, 26, .55);
}

.page-faq .cta-contacts dt {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .cta-contacts dd {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  line-height: 1.5;
  color: var(--gold-soft);
  word-break: break-word;
}

.page-faq .faq-cta__tips {
  margin: clamp(18px, 3vw, 26px) 0 0;
  font-size: 14.5px;
  color: var(--text);
}

.page-faq .cta-checklist {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
}

@media (min-width: 720px) {
  .page-faq .cta-checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-faq .cta-checklist li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .cta-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(45, 226, 230, .7);
}

.page-faq .faq-cta__actions {
  margin: clamp(20px, 3vw, 28px) 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 窄屏加固 ---------- */
@media (max-width: 480px) {
  .page-faq .qa__q {
    padding: 14px 15px;
    font-size: 15px;
  }

  .page-faq .qa__a {
    padding: 0 15px 15px 15px;
    font-size: 14.5px;
  }

  .page-faq .top-item {
    padding: 13px 14px;
  }

  .page-faq .cta-contacts dd {
    font-size: 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .top-item,
  .page-faq .faq-cat,
  .page-faq .faq-search__input {
    transition: none;
  }
}