/* ===== 帮助中心 · 页面专属样式 ===== */
.page-faq {
  --faq-text: #D6EAE2;
  --faq-dim: rgba(143, 181, 168, .92);
  --faq-hair: rgba(143, 181, 168, .16);
  --faq-radius: 26px 6px 26px 6px;
  --faq-radius-sm: 14px 4px 14px 4px;
  --faq-accent: var(--lime);
}

.page-faq .faq-crumbs {
  padding-top: clamp(1.25rem, 3vw, 2rem);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(1.5rem, 4vw, 2.6rem);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 1.9rem;
  align-items: start;
}

.page-faq .faq-hero h1 {
  margin: .6rem 0 0;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(2rem, 8vw, 3.9rem);
  line-height: 1.05;
  letter-spacing: -.01em;
  color: var(--paper);
  overflow-wrap: break-word;
}

.page-faq .faq-hero .lede {
  margin-top: 1.1rem;
  max-width: 52ch;
  color: var(--faq-text);
  line-height: 1.8;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.6rem;
}

.page-faq .faq-hero__aside {
  position: relative;
  padding: 1.45rem 1.3rem;
  border-radius: var(--faq-radius);
  border-left: 4px solid var(--lime);
  background:
    linear-gradient(155deg, rgba(200, 255, 77, .15), rgba(10, 46, 40, .25) 62%),
    var(--board);
  box-shadow: var(--shadow-panel);
  overflow: hidden;
}

.page-faq .faq-hero__aside::after {
  content: "";
  position: absolute;
  right: -46px;
  bottom: -56px;
  width: 168px;
  height: 168px;
  border-radius: 50%;
  border: 1px dashed rgba(200, 255, 77, .34);
  pointer-events: none;
}

.page-faq .faq-hero__aside-title {
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .2em;
  color: var(--lime);
}

.page-faq .faq-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .8rem;
}

.page-faq .faq-facts li {
  display: grid;
  grid-template-columns: minmax(0, auto) minmax(0, 1fr);
  gap: .85rem;
  align-items: baseline;
  padding-bottom: .8rem;
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-facts li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-facts__num {
  font-size: clamp(1.1rem, 4.4vw, 1.4rem);
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--paper);
  white-space: nowrap;
}

.page-faq .faq-facts__label {
  font-size: .82rem;
  line-height: 1.55;
  color: var(--faq-text);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 2.1rem;
}

.page-faq .faq-layout > * {
  min-width: 0;
}

.page-faq .faq-toc {
  padding: 1.15rem 1rem 1.25rem;
  border-radius: var(--faq-radius-sm);
  background: rgba(18, 63, 55, .52);
}

.page-faq .faq-toc__title {
  margin: 0 0 .85rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .2em;
  color: var(--lime);
}

.page-faq .faq-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .25rem;
}

.page-faq .faq-toc__list a {
  display: flex;
  gap: .7rem;
  align-items: baseline;
  padding: .55rem .65rem;
  border-left: 2px solid transparent;
  border-radius: 0 10px 10px 0;
  font-size: .88rem;
  line-height: 1.5;
  color: var(--faq-text);
  text-decoration: none;
  transition: background-color .2s ease, border-color .2s ease, color .2s ease;
}

.page-faq .faq-toc__list a .mono {
  flex: none;
  font-size: .72rem;
  color: var(--lime);
}

.page-faq .faq-toc__list a:hover,
.page-faq .faq-toc__list a:focus-visible {
  border-left-color: var(--lime);
  background: rgba(200, 255, 77, .09);
  color: var(--paper);
}

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

.page-faq .faq-toc__note {
  margin: 1rem 0 0;
  padding-top: .9rem;
  border-top: 1px solid var(--faq-hair);
  font-size: .76rem;
  line-height: 1.7;
  color: var(--faq-dim);
}

.page-faq .faq-stream {
  display: grid;
  gap: 1.7rem;
  min-width: 0;
}

/* ---------- 问答面板 ---------- */
.page-faq .faq-block {
  --faq-accent: var(--lime);
  position: relative;
  padding: clamp(1.2rem, 3.4vw, 1.9rem) clamp(1.05rem, 3vw, 1.9rem) clamp(1.25rem, 3vw, 1.85rem);
  border-radius: var(--faq-radius);
  border-left: 4px solid var(--faq-accent);
  background: linear-gradient(180deg, rgba(18, 63, 55, .9), rgba(10, 46, 40, .78));
  box-shadow: var(--shadow-panel);
  scroll-margin-top: 5.5rem;
  transition: transform .25s ease;
}

.page-faq .faq-block--orange { --faq-accent: var(--orange); }
.page-faq .faq-block--rose { --faq-accent: var(--rose); }
.page-faq .faq-block--blue { --faq-accent: var(--blue); }

.page-faq .faq-block__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .4rem .85rem;
}

.page-faq .faq-block__num {
  font-size: clamp(1.45rem, 5vw, 2.1rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--faq-accent);
}

.page-faq .faq-block__head h2 {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.22rem, 4.4vw, 1.72rem);
  line-height: 1.22;
  color: var(--paper);
}

.page-faq .faq-block__intro {
  margin: .85rem 0 0;
  max-width: 56ch;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--faq-dim);
}

.page-faq .faq-block__rule {
  display: block;
  width: min(240px, 62%);
  margin: 1.05rem 0 1.1rem;
  opacity: .85;
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa + .qa {
  border-top: 1px solid var(--faq-hair);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: .85rem;
  padding: .95rem 0;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.01rem;
  line-height: 1.55;
  color: var(--paper);
  transition: color .2s ease;
}

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

.page-faq .qa__q:hover {
  color: var(--faq-accent);
}

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--faq-accent);
  outline-offset: 2px;
  border-radius: var(--faq-radius-sm);
}

.page-faq .qa__idx {
  flex: none;
  min-width: 2rem;
  padding-top: .3em;
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--faq-accent);
}

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

.page-faq .qa__mark {
  flex: none;
  position: relative;
  width: 20px;
  height: 20px;
  margin-top: .16em;
  border: 1px solid rgba(143, 181, 168, .38);
  border-radius: 50%;
  transition: border-color .2s ease;
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 9px;
  height: 1.6px;
  background: var(--faq-accent);
  transform: translate(-50%, -50%);
}

.page-faq .qa__mark::after {
  transform: translate(-50%, -50%) rotate(90deg);
  transition: transform .25s ease;
}

.page-faq .qa[open] .qa__mark {
  border-color: var(--faq-accent);
}

.page-faq .qa[open] .qa__mark::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.page-faq .qa__a {
  padding: 0 .4rem 1.1rem 2.7rem;
  font-size: .91rem;
  line-height: 1.8;
  color: var(--faq-text);
}

.page-faq .qa__a p {
  margin: 0;
  max-width: 60ch;
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: 1.5rem 0 0;
  border-radius: var(--faq-radius-sm);
  background: rgba(6, 26, 23, .52);
  overflow: hidden;
}

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

.page-faq .faq-figure .media-frame__caption {
  display: block;
  padding: .8rem 1rem .9rem;
  font-size: .77rem;
  line-height: 1.65;
  color: var(--faq-dim);
}

/* ---------- 联系方式 ---------- */
.page-faq .faq-contact {
  margin: 1.4rem 0 .2rem;
  padding: .3rem 1rem;
  border-radius: var(--faq-radius-sm);
  background: rgba(6, 26, 23, .45);
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .3rem 1rem;
  padding: .72rem 0;
  border-bottom: 1px solid var(--faq-hair);
  font-size: .88rem;
  color: var(--faq-text);
}

.page-faq .faq-contact__row:last-child {
  border-bottom: 0;
}

.page-faq .faq-contact__key {
  flex: none;
  min-width: 4.8rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--faq-dim);
}

/* ---------- 结尾引导 ---------- */
.page-faq .faq-cta__inner {
  display: grid;
  gap: 1.25rem;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border-radius: var(--faq-radius);
  border: 1px solid rgba(200, 255, 77, .22);
  background:
    linear-gradient(135deg, rgba(200, 255, 77, .13), rgba(18, 63, 55, .88) 58%, rgba(10, 46, 40, .94));
}

.page-faq .faq-cta h2 {
  margin: 0 0 .55rem;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.4rem, 5vw, 2rem);
  line-height: 1.2;
  color: var(--paper);
}

.page-faq .faq-cta p {
  margin: 0;
  max-width: 52ch;
  font-size: .92rem;
  line-height: 1.78;
  color: var(--faq-text);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
}

/* ---------- 宽屏 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .95fr);
    gap: 2.6rem;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(190px, 234px) minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.5rem);
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 5.5rem;
  }

  .page-faq .faq-block:hover {
    transform: translateY(-2px);
  }

  .page-faq .faq-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 2rem;
  }

  .page-faq .faq-cta__actions {
    justify-content: flex-end;
  }
}

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-block,
  .page-faq .faq-block:hover,
  .page-faq .qa__mark,
  .page-faq .qa__mark::after,
  .page-faq .qa__q,
  .page-faq .faq-toc__list a {
    transition: none;
    transform: none;
  }
}