.page-faq {
  --faq-idx-w: 252px;
  position: relative;
  padding: calc(var(--bar-h) + 26px) 0 76px;
  background:
    radial-gradient(120% 58% at 90% -8%, rgba(214, 169, 60, 0.11), transparent 62%),
    radial-gradient(88% 48% at 2% 4%, rgba(63, 217, 196, 0.08), transparent 60%);
  color: rgba(242, 237, 227, 0.9);
  font-family: var(--font-sans);
}

.page-faq .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--stone);
}

.page-faq .crumbs a {
  color: rgba(242, 237, 227, 0.86);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
}

.page-faq .crumbs a:hover {
  color: var(--cyan);
}

.page-faq .crumbs [aria-current] {
  color: var(--gold);
}

/* ---------- 首屏 ---------- */
.faq-masthead {
  display: grid;
  gap: 26px;
  padding-bottom: 34px;
  border-bottom: 1px solid var(--line-gold);
}

.faq-masthead__kicker {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.28em;
  color: var(--cyan);
}

.page-faq h1 {
  margin: 0 0 18px;
  font-size: clamp(30px, 6.2vw, 56px);
  line-height: 1.14;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: #fff;
}

.faq-masthead__lede {
  max-width: 60ch;
  margin: 0;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: rgba(242, 237, 227, 0.8);
}

.faq-masthead__side {
  display: grid;
  gap: 10px;
}

.faq-status {
  padding: 13px 16px;
  border: 1px solid var(--line-gold);
  border-radius: 14px;
  background: linear-gradient(158deg, rgba(22, 38, 61, 0.95), rgba(11, 23, 41, 0.6));
}

.faq-status__k {
  display: block;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--stone);
}

.faq-status__v {
  display: block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--gold-lite);
}

/* ---------- 左右分栏 ---------- */
.faq-layout {
  display: grid;
  gap: 34px;
  margin-top: 40px;
}

.faq-index {
  padding: 18px 16px 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(22, 38, 61, 0.55);
}

.faq-index__title {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--cyan);
}

.faq-index__list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
}

.faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 6px;
  border-left: 2px solid transparent;
  border-radius: 8px;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(242, 237, 227, 0.85);
  text-decoration: none;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.faq-index__list a:hover,
.faq-index__list a:focus-visible {
  background: rgba(214, 169, 60, 0.1);
  border-left-color: var(--gold);
  color: #fff;
}

.faq-index__list .mono {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
}

.faq-index__hint {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- 分组 ---------- */
.faq-stream {
  display: grid;
  gap: clamp(40px, 6vw, 72px);
  min-width: 0;
}

.faq-group__head {
  position: relative;
  padding-top: 16px;
  margin-bottom: 22px;
  border-top: 2px solid var(--cyan);
}

.faq-group__no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--cyan);
}

.page-faq h2 {
  margin: 8px 0 10px;
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.25;
  font-weight: 800;
  color: #fff;
}

.faq-group__desc {
  max-width: 64ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(242, 237, 227, 0.74);
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 22px;
}

.page-faq .figure__media {
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid var(--line-gold);
}

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

.page-faq .figure__cap {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- 问答折叠 ---------- */
.faq-q {
  margin-bottom: 12px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(30, 52, 80, 0.28);
  overflow: hidden;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.faq-q[open] {
  border-color: var(--line-gold);
  background: rgba(22, 38, 61, 0.7);
}

.faq-q__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 16px 16px;
  cursor: pointer;
  list-style: none;
}

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

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

.faq-q__num {
  font-family: var(--font-mono);
  font-size: clamp(20px, 3.2vw, 32px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--gold);
  transition: color 0.3s var(--ease);
}

.faq-q[open] .faq-q__num {
  color: var(--cyan);
}

.faq-q__title {
  font-size: clamp(15px, 2vw, 17px);
  font-weight: 700;
  line-height: 1.55;
  color: #fff;
}

.faq-q__toggle {
  position: relative;
  flex: none;
  width: 26px;
  height: 26px;
  border: 1px solid var(--line-gold);
  border-radius: 50%;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.faq-q__toggle::before,
.faq-q__toggle::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--gold);
  transform: translate(-50%, -50%);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease), background 0.3s var(--ease);
}

.faq-q__toggle::before {
  width: 11px;
  height: 1.5px;
}

.faq-q__toggle::after {
  width: 1.5px;
  height: 11px;
}

.faq-q[open] .faq-q__toggle {
  border-color: var(--cyan);
  background: rgba(63, 217, 196, 0.12);
}

.faq-q[open] .faq-q__toggle::before {
  background: var(--cyan);
}

.faq-q[open] .faq-q__toggle::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}

.faq-q__body {
  padding: 4px 16px 20px;
  border-top: 1px solid var(--line-soft);
}

/* ---------- 步骤 ---------- */
.faq-steps {
  counter-reset: step;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.faq-steps li {
  position: relative;
  padding-left: 36px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(242, 237, 227, 0.85);
}

.faq-steps li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(140deg, var(--gold-lite), var(--gold));
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 700;
}

.faq-q__note {
  margin: 16px 0 0;
  padding: 12px 14px;
  border-left: 2px solid var(--cyan);
  border-radius: 0 10px 10px 0;
  background: rgba(63, 217, 196, 0.07);
  font-size: 14px;
  line-height: 1.8;
  color: rgba(242, 237, 227, 0.8);
}

/* ---------- 变更列表 ---------- */
.faq-changes {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.faq-changes li {
  padding: 12px 14px;
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--red);
  border-radius: 0 10px 10px 0;
  background: rgba(198, 48, 62, 0.07);
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(242, 237, 227, 0.85);
}

.faq-changes strong {
  color: var(--gold-lite);
  font-weight: 700;
}

.faq-inline-figure {
  margin: 20px 0 0;
}

/* ---------- 准备材料（浅色分区） ---------- */
.faq-prepare {
  padding: clamp(20px, 4vw, 40px);
  border-radius: 22px;
  background: var(--cream);
  color: var(--ink);
}

.faq-prepare .faq-group__head {
  border-top-color: var(--gold-deep);
}

.faq-prepare .faq-group__no {
  color: var(--clay);
}

.faq-prepare h2 {
  color: var(--ink);
}

.faq-prepare .faq-group__desc {
  color: rgba(11, 23, 41, 0.74);
}

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

.faq-checklist__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 14px 16px;
  border: 1px solid rgba(138, 106, 36, 0.24);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.62);
}

.faq-checklist__no {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--gold-deep);
  letter-spacing: 0.04em;
}

.faq-checklist__item strong {
  display: block;
  margin-bottom: 4px;
  font-size: 15.5px;
  font-weight: 800;
  color: var(--ink);
}

.faq-checklist__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(11, 23, 41, 0.72);
}

.faq-reach {
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid rgba(138, 106, 36, 0.28);
}

.faq-reach__lead {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(11, 23, 41, 0.82);
}

.faq-reach__list {
  display: grid;
  gap: 12px;
  margin: 0;
}

.faq-reach__list > div {
  display: grid;
  gap: 4px;
}

.faq-reach__list dt {
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--clay);
}

.faq-reach__list dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}

.faq-reach__list .mono {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--ink);
}

.faq-reach__note {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(11, 23, 41, 0.66);
}

.faq-next {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .faq-checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .faq-reach__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 1000px) {
  .page-faq {
    padding-top: 54px;
  }

  .faq-masthead {
    grid-template-columns: minmax(0, 1fr) 236px;
    gap: 44px;
    align-items: end;
  }
}

@media (min-width: 1080px) {
  .faq-layout {
    grid-template-columns: var(--faq-idx-w) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .faq-index {
    position: sticky;
    top: calc(var(--bar-h) + 24px);
  }

  .faq-q__head {
    padding: 20px 24px;
  }

  .faq-q__body {
    padding: 4px 24px 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .faq-q,
  .faq-q__num,
  .faq-q__toggle,
  .faq-q__toggle::before,
  .faq-q__toggle::after,
  .faq-index__list a {
    transition: none;
  }
}