.page-faq {
  --faq-hair: rgba(167, 159, 199, 0.16);
  --faq-panel: rgba(43, 30, 92, 0.42);
  --faq-panel-open: rgba(43, 30, 92, 0.74);
  --faq-glow: rgba(139, 92, 255, 0.32);
  --faq-gold-line: rgba(255, 196, 107, 0.55);
  padding-bottom: var(--space-6);
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  padding-top: var(--space-3);
  font-family: var(--font-label);
  font-size: var(--step-12);
  letter-spacing: 0.06em;
  color: var(--c-muted);
}

.page-faq .breadcrumb__item {
  color: var(--c-muted);
  text-decoration: none;
}

.page-faq .breadcrumb__item:last-child {
  color: var(--c-text);
}

.page-faq a.breadcrumb__item:hover,
.page-faq a.breadcrumb__item:focus-visible {
  color: var(--c-cyan);
}

.page-faq .breadcrumb__sep {
  margin: 0 8px;
  color: rgba(167, 159, 199, 0.45);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: var(--space-4) 0 var(--space-2);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -160px;
  right: -160px;
  width: 540px;
  height: 540px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 61, 139, 0.16) 0%, rgba(139, 92, 255, 0.09) 44%, transparent 72%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: -140px;
  bottom: -220px;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(51, 240, 210, 0.1) 0%, transparent 68%);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}

.page-faq .faq-hero__title {
  margin: 10px 0 var(--space-3);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.1rem, 6vw, 4.2rem);
  line-height: 1.03;
  letter-spacing: -0.02em;
  color: var(--c-text);
}

.page-faq .faq-hero__title em {
  font-style: normal;
  color: var(--c-cyan);
  text-shadow: 0 0 30px rgba(51, 240, 210, 0.35);
}

.page-faq .faq-hero__copy .lede {
  max-width: 60ch;
  color: var(--c-muted);
}

.page-faq .faq-hero__toc {
  align-self: end;
  padding: 18px 18px 20px;
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius-lg);
  background: var(--faq-panel);
}

.page-faq .faq-hero__toc-title {
  margin: 0 0 10px;
  font-family: var(--font-label);
  font-size: var(--step-12);
  letter-spacing: 0.16em;
  color: var(--c-muted);
}

.page-faq .faq-hero__toc-item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(167, 159, 199, 0.12);
  color: var(--c-text);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-16);
  line-height: 1.4;
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.page-faq .faq-hero__toc-item:last-child {
  border-bottom: 0;
  padding-bottom: 2px;
}

.page-faq .faq-hero__toc-item:hover,
.page-faq .faq-hero__toc-item:focus-visible {
  color: var(--c-cyan);
  padding-left: 6px;
}

.page-faq .faq-hero__toc-no {
  flex: none;
  font-family: var(--font-label);
  font-size: var(--step-12);
  letter-spacing: 0.08em;
  color: var(--c-violet);
}

/* ---------- 主体布局 ---------- */

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
  padding-top: var(--space-4);
}

.page-faq .faq-main,
.page-faq .faq-rail {
  min-width: 0;
}

.page-faq .faq-group {
  margin-bottom: var(--space-5);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-faq .faq-group:last-of-type {
  margin-bottom: var(--space-4);
}

.page-faq .faq-group--cyan { --bar: var(--c-cyan); }
.page-faq .faq-group--gold { --bar: var(--c-gold); }
.page-faq .faq-group--magenta { --bar: var(--c-magenta); }
.page-faq .faq-group--violet { --bar: var(--c-violet); }

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr);
  align-items: center;
  gap: 0 12px;
  margin-bottom: var(--space-3);
}

.page-faq .faq-group__bar {
  width: 44px;
  height: 5px;
  border-radius: 3px;
  background: var(--bar, var(--c-cyan));
}

.page-faq .faq-group__no {
  font-family: var(--font-label);
  font-size: var(--step-13);
  letter-spacing: 0.14em;
  color: var(--c-muted);
}

.page-faq .faq-group__title {
  grid-column: 1 / -1;
  margin: 12px 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 3.4vw, 1.95rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--c-text);
}

.page-faq .faq-group__lead {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--c-muted);
  font-size: var(--step-16);
  line-height: 1.7;
}

/* ---------- 图片 ---------- */

.page-faq .faq-figure {
  margin: 0 0 var(--space-3);
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(150deg, rgba(139, 92, 255, 0.22), rgba(51, 240, 210, 0.08));
}

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

.page-faq .faq-figure figcaption {
  padding: 12px 16px;
  background: rgba(14, 8, 36, 0.74);
  font-family: var(--font-label);
  font-size: var(--step-12);
  letter-spacing: 0.05em;
  line-height: 1.6;
  color: var(--c-muted);
}

/* ---------- 折叠问答 ---------- */

.page-faq .faq {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-faq .faq__item {
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius);
  background: var(--faq-panel);
  overflow: hidden;
  transition: border-color 0.25s ease, background 0.25s ease;
}

.page-faq .faq__item[open] {
  background: var(--faq-panel-open);
  border-color: var(--faq-glow);
}

.page-faq .faq__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 13px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-16);
  line-height: 1.55;
  color: var(--c-text);
  transition: color 0.2s ease;
}

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

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

.page-faq .faq__item:hover .faq__q {
  color: var(--c-cyan);
}

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

.page-faq .faq__q::after {
  content: "";
  flex: none;
  width: 24px;
  height: 24px;
  margin-top: 1px;
  border-radius: 50%;
  border: 1px solid rgba(51, 240, 210, 0.4);
  color: var(--c-cyan);
  background-color: transparent;
  background-image: linear-gradient(currentColor, currentColor), linear-gradient(currentColor, currentColor);
  background-size: 10px 1.5px, 1.5px 10px;
  background-position: center center;
  background-repeat: no-repeat;
  transition: transform 0.25s ease, background-size 0.25s ease, background-color 0.25s ease;
}

.page-faq .faq__item[open] .faq__q::after {
  background-size: 10px 1.5px, 0 0;
  background-color: rgba(51, 240, 210, 0.14);
  transform: rotate(180deg);
}

.page-faq .faq__a {
  padding: 2px 16px 20px;
  color: var(--c-muted);
  font-size: var(--step-16);
  line-height: 1.85;
}

.page-faq .faq__a p {
  margin: 0 0 0.9em;
  max-width: 66ch;
}

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

.page-faq .faq__a a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(51, 240, 210, 0.45);
}

.page-faq .faq__a a:hover,
.page-faq .faq__a a:focus-visible {
  color: var(--c-gold);
  border-bottom-color: rgba(255, 196, 107, 0.6);
}

.page-faq .faq__a .hl {
  color: var(--c-text);
  border-bottom: 1px solid var(--faq-gold-line);
  padding-bottom: 1px;
}

/* ---------- 步骤条 ---------- */

.page-faq .steps {
  list-style: none;
  margin: 12px 0 16px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-faq .steps__item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  padding: 10px 14px;
  border-radius: 10px;
  border-left: 2px solid var(--c-cyan);
  background: rgba(14, 8, 36, 0.6);
  font-size: var(--step-16);
  line-height: 1.5;
  color: var(--c-text);
}

.page-faq .steps__no {
  flex: none;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(51, 240, 210, 0.45);
  background: rgba(51, 240, 210, 0.14);
  color: var(--c-cyan);
  font-family: var(--font-label);
  font-size: var(--step-12);
  line-height: 1;
}

.page-faq .steps__text {
  font-family: var(--font-display);
  font-weight: 700;
}

.page-faq .steps__hint {
  flex: 1 1 100%;
  padding-left: 36px;
  color: var(--c-muted);
  font-family: var(--font-label);
  font-size: var(--step-12);
  letter-spacing: 0.04em;
  line-height: 1.6;
}

/* ---------- 邮件标题模板 ---------- */

.page-faq .mail-template {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  max-width: 100%;
  margin: 6px 0 16px;
  padding: 10px 16px;
  border: 1px dashed rgba(255, 196, 107, 0.5);
  border-radius: 10px;
  background: rgba(255, 196, 107, 0.07);
}

.page-faq .mail-template__label {
  font-family: var(--font-label);
  font-size: var(--step-12);
  letter-spacing: 0.1em;
  color: var(--c-muted);
}

.page-faq .mail-template__value {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--step-18);
  letter-spacing: 0.04em;
  color: var(--c-gold);
  user-select: all;
}

/* ---------- 侧栏 ---------- */

.page-faq .faq-rail__panel {
  padding: 20px 18px 22px;
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius-lg);
  background: var(--faq-panel);
}

.page-faq .faq-rail__panel + .faq-rail__panel {
  margin-top: var(--space-2);
}

.page-faq .faq-rail__panel--alt {
  background: rgba(26, 17, 64, 0.55);
}

.page-faq .faq-rail__title {
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid rgba(255, 61, 139, 0.4);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--step-16);
  line-height: 1.4;
  color: var(--c-text);
}

.page-faq .faq-rail__panel--alt .faq-rail__title {
  border-bottom-color: rgba(139, 92, 255, 0.45);
}

.page-faq .faq-rail__link {
  position: relative;
  display: block;
  padding: 10px 0 10px 16px;
  border-bottom: 1px solid rgba(167, 159, 199, 0.1);
  color: var(--c-muted);
  text-decoration: none;
  font-size: var(--step-16);
  line-height: 1.55;
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.page-faq .faq-rail__link:last-child {
  border-bottom: 0;
  padding-bottom: 4px;
}

.page-faq .faq-rail__link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 19px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-cyan);
  opacity: 0.6;
}

.page-faq .faq-rail__panel--alt .faq-rail__link::before {
  background: var(--c-magenta);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  color: var(--c-cyan);
  padding-left: 22px;
}

/* ---------- 结尾 ---------- */

.page-faq .faq-outro {
  margin-top: var(--space-3);
  padding-top: var(--space-4);
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-outro__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.3rem, 3vw, 1.75rem);
  line-height: 1.25;
  color: var(--c-text);
}

.page-faq .faq-outro__text {
  margin: 0;
  max-width: 56ch;
  color: var(--c-muted);
  font-size: var(--step-16);
  line-height: 1.8;
}

.page-faq .faq-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: var(--space-3);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-faq .faq__q {
    padding: 14px 20px;
  }

  .page-faq .faq__a {
    padding: 2px 20px 22px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: var(--space-5) 0 var(--space-3);
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: var(--space-5);
    align-items: end;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) 292px;
    gap: var(--space-5);
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-faq .faq__q {
    font-size: var(--step-18);
    padding: 15px 22px;
  }

  .page-faq .faq__a {
    padding: 2px 22px 24px;
    max-width: 76ch;
  }

  .page-faq .faq-group {
    margin-bottom: var(--space-6);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq__q,
  .page-faq .faq__q::after,
  .page-faq .faq-hero__toc-item,
  .page-faq .faq-rail__link {
    transition: none;
  }
}