.page-faq {
  --faq-veil-top: rgba(6, 26, 22, .38);
  --faq-veil-bottom: rgba(6, 26, 22, .9);
  --faq-glow: rgba(43, 240, 206, .34);
  --faq-shadow: rgba(6, 26, 22, .55);
  display: block;
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}

.page-faq .faq-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .32;
  z-index: -2;
}

.page-faq .faq-hero__veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(120% 92% at 6% 0%, rgba(43, 240, 206, .16), transparent 58%),
    linear-gradient(180deg, var(--faq-veil-top) 0%, var(--faq-veil-bottom) 64%, var(--bg) 100%);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 16px;
  max-width: 860px;
  padding-block: clamp(26px, 5vw, 52px) clamp(38px, 7vw, 80px);
}

.page-faq .faq-hero__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--cyan);
}

.page-faq .faq-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(34px, 7vw, 62px);
  line-height: 1.05;
  letter-spacing: -.005em;
  color: var(--ink);
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 38ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-hero__tags {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ---------- 骨架 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  padding-block: clamp(26px, 5vw, 48px) clamp(48px, 8vw, 92px);
}

/* ---------- 目录（移动端横向胶囊条） ---------- */
.page-faq .faq-toc {
  display: flex;
  align-items: center;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

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

.page-faq .faq-toc__label {
  display: none;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--muted);
}

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

.page-faq .faq-toc__item {
  flex: none;
}

.page-faq .faq-toc__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--panel);
  color: var(--ink);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-toc__link .num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-faq .faq-toc__jump {
  flex: none;
  font-size: 13px;
  padding: 8px 14px;
  white-space: nowrap;
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: 96px;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(44px, 7vw, 82px);
}

.page-faq .chapter {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding-bottom: 14px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.page-faq .chapter__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1;
  letter-spacing: .04em;
  color: var(--teal);
}

.page-faq .chapter__text {
  padding-top: 2px;
}

.page-faq .chapter__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: clamp(21px, 3vw, 30px);
  line-height: 1.15;
  letter-spacing: .01em;
  color: var(--ink);
}

.page-faq .chapter__sub {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 问答卡片 ---------- */
.page-faq .faq-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.page-faq .qa {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 16px 18px 18px;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .qa:hover {
  border-color: var(--teal);
}

.page-faq .qa[open] {
  border-color: var(--faq-glow);
  background: linear-gradient(150deg, var(--panel) 0%, rgba(18, 169, 143, .1) 100%);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.5;
  letter-spacing: .01em;
  color: var(--ink);
}

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

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

.page-faq .qa__q::after {
  content: "＋";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.4;
  color: var(--teal);
}

.page-faq .qa[open] .qa__q::after {
  content: "－";
  color: var(--cyan);
}

.page-faq .qa__idx {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
  padding-top: 3px;
}

.page-faq .qa__a {
  margin-top: 12px;
  padding-left: 14px;
  border-left: 2px solid var(--cyan);
}

.page-faq .qa__a p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ink);
  opacity: .92;
}

.page-faq .faq-group--sub .qa__a {
  border-left-color: var(--orange);
}

.page-faq .faq-group--old .qa__a {
  border-left-color: var(--violet);
}

.page-faq .faq-group--venue .qa__a {
  border-left-color: var(--teal);
}

/* ---------- 组内配图 ---------- */
.page-faq .faq-shot {
  position: relative;
  margin: 0 0 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--panel);
}

.page-faq .faq-shot__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: clamp(170px, 34vw, 290px);
  object-fit: cover;
  opacity: .78;
}

.page-faq .faq-shot__cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 34px 20px 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  background: linear-gradient(180deg, transparent, var(--faq-veil-bottom));
}

/* ---------- 底部咨询 ---------- */
.page-faq .faq-cta {
  margin-top: clamp(34px, 5vw, 52px);
  padding: clamp(22px, 4vw, 36px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(140deg, var(--panel) 0%, rgba(43, 240, 206, .12) 100%);
  display: grid;
  gap: 12px;
  box-shadow: 0 24px 60px -40px var(--faq-shadow);
}

.page-faq .faq-cta__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 3vw, 26px);
  line-height: 1.2;
  color: var(--ink);
}

.page-faq .faq-cta__text {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 1040px) {
  .page-faq .faq-body {
    grid-template-columns: 214px minmax(0, 1fr);
    gap: clamp(30px, 4vw, 58px);
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 104px;
    display: block;
    overflow: visible;
    padding: 0 0 0 14px;
    border-bottom: 0;
    border-left: 1px solid var(--line);
  }

  .page-faq .faq-toc__label {
    display: block;
    margin-bottom: 12px;
  }

  .page-faq .faq-toc__list {
    display: block;
  }

  .page-faq .faq-toc__item + .faq-toc__item {
    margin-top: 2px;
  }

  .page-faq .faq-toc__link {
    display: flex;
    width: 100%;
    padding: 9px 10px 9px 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    font-size: 14.5px;
    color: var(--muted);
  }

  .page-faq .faq-toc__link .num {
    min-width: 22px;
    color: var(--teal);
  }

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

  .page-faq .faq-toc__jump {
    margin-top: 18px;
    width: 100%;
    justify-content: center;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 18px;
  }

  .page-faq .faq-grid > .qa:nth-child(even) {
    margin-top: 30px;
  }

  .page-faq .faq-grid > .qa:nth-child(odd):last-child {
    grid-column: 1 / 2;
  }
}

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