.page-faq {
  --faq-rail-w: 232px;
  background: var(--purple-900);
  color: var(--paper-050);
  font-family: var(--font-body);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 104px 0 56px;
  border-bottom: 4px solid var(--purple-500);
  background:
    linear-gradient(rgba(110, 43, 255, .16) 1px, transparent 1px) 0 0 / 64px 64px,
    linear-gradient(90deg, rgba(110, 43, 255, .16) 1px, transparent 1px) 0 0 / 64px 64px,
    radial-gradient(120% 90% at 82% 0%, rgba(110, 43, 255, .55), transparent 62%),
    var(--purple-900);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 32px;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(30px, 7.4vw, 54px);
  line-height: .98;
  letter-spacing: -.02em;
  margin: 14px 0 18px;
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 48ch;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(246, 244, 251, .84);
}

.page-faq .faq-hero__jump {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 0;
  padding: 0;
}

.page-faq .faq-hero__jump a {
  text-decoration: none;
  transition: background var(--ease), color var(--ease);
}

.page-faq .faq-hero__jump a:hover {
  background: var(--cyan-400);
  color: var(--ink-950);
}

.page-faq .faq-hero__media {
  border: 3px solid var(--purple-500);
  box-shadow: var(--shadow-hard);
  background: var(--ink-950);
  line-height: 0;
}

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

/* ---------- 问答主体 ---------- */
.page-faq .faq-body {
  background: var(--purple-900);
  padding: 52px 0 20px;
}

.page-faq .faq-body__inner {
  display: grid;
  gap: 28px;
}

.page-faq .faq-rail {
  border-left: 2px solid var(--purple-500);
  padding-left: 18px;
}

.page-faq .faq-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--fog-500);
}

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

.page-faq .faq-rail__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(154, 149, 174, .25);
  color: var(--paper-050);
  font-size: 15px;
  text-decoration: none;
  transition: color var(--ease), border-color var(--ease);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  color: var(--orange-500);
  border-bottom-color: var(--orange-500);
}

.page-faq .faq-rail__link:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 2px;
}

.page-faq .faq-rail__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--cyan-400);
}

.page-faq .faq-rail__link:hover .faq-rail__num {
  color: var(--orange-500);
}

.page-faq .faq-rail__hint {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--fog-500);
}

.page-faq .faq-group {
  scroll-margin-top: 104px;
  margin-bottom: 44px;
}

.page-faq .faq-group:last-child {
  margin-bottom: 12px;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 3px solid var(--purple-500);
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  color: var(--orange-500);
}

.page-faq .faq-group h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 3.4vw, 30px);
  line-height: 1.1;
  letter-spacing: -.02em;
}

.page-faq .faq-item {
  border: 2px solid var(--purple-500);
  border-left-width: 6px;
  background: rgba(46, 18, 99, .42);
  margin-bottom: 12px;
  transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
}

.page-faq .faq-item:hover {
  border-color: var(--orange-700);
}

.page-faq .faq-item[open] {
  border-color: var(--orange-500);
  background: rgba(46, 18, 99, .7);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 17px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--paper-050);
}

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

.page-faq .faq-item__q::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1.1;
  color: var(--cyan-400);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "–";
  color: var(--orange-500);
}

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: -4px;
}

.page-faq .faq-item__a {
  padding: 14px 18px 20px;
  border-top: 1px solid rgba(110, 43, 255, .45);
  font-size: 15px;
  line-height: 1.75;
  color: rgba(246, 244, 251, .84);
  animation: faqFadeIn .18s ease;
}

.page-faq .faq-item__a p {
  margin: 0;
  max-width: 68ch;
}

.page-faq .faq-item__a a {
  color: var(--cyan-400);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-item__a a:hover {
  color: var(--orange-500);
}

@keyframes faqFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ---------- 工单收束带 ---------- */
.page-faq .faq-ticket {
  background: var(--ink-950);
  border-top: 4px solid var(--orange-500);
  padding: 56px 0 64px;
}

.page-faq .faq-ticket__grid {
  display: grid;
  gap: 28px;
}

.page-faq .faq-ticket__media {
  border: 3px solid var(--orange-500);
  background: var(--purple-900);
  line-height: 0;
}

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

.page-faq .faq-ticket h2 {
  margin: 12px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(24px, 4.4vw, 36px);
  line-height: 1.02;
  letter-spacing: -.02em;
}

.page-faq .faq-ticket__lead {
  margin: 0 0 22px;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(246, 244, 251, .8);
}

.page-faq .faq-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 22px;
  border: 2px solid var(--cyan-400);
  background: transparent;
  color: var(--paper-050);
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: -.01em;
  text-decoration: none;
  transition: background var(--ease), color var(--ease), border-color var(--ease);
}

.page-faq .faq-cta:hover {
  background: var(--cyan-400);
  border-color: var(--cyan-400);
  color: var(--ink-950);
}

.page-faq .faq-cta:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 3px;
}

.page-faq .faq-flow {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

.page-faq .faq-flow__step {
  position: relative;
  padding: 18px 16px 20px;
  background: var(--purple-900);
  border: 2px solid var(--purple-500);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-faq .faq-flow__step:last-child {
  border-color: var(--orange-500);
}

.page-faq .faq-flow__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  color: var(--orange-500);
}

.page-faq .faq-flow__step:last-child .faq-flow__num::after {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-left: 8px;
  border-radius: 50%;
  background: var(--orange-500);
  box-shadow: 0 0 10px var(--orange-500);
}

.page-faq .faq-flow__step h3 {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--paper-050);
}

.page-faq .faq-flow__step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(246, 244, 251, .74);
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-item__q {
    font-size: 18px;
    padding: 19px 22px;
  }

  .page-faq .faq-item__a {
    padding: 16px 22px 22px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 132px 0 72px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 56px;
    align-items: center;
  }

  .page-faq .faq-ticket__grid {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    gap: 48px;
    align-items: center;
  }

  .page-faq .faq-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-body {
    padding: 72px 0 32px;
  }

  .page-faq .faq-body__inner {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: 64px;
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 104px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__a {
    animation: none;
  }

  .page-faq .faq-item,
  .page-faq .faq-rail__link,
  .page-faq .faq-cta,
  .page-faq .faq-hero__jump a {
    transition: none;
  }
}