.page-faq {
  --faq-radius: 4px;
  --faq-card: linear-gradient(158deg, rgba(15, 46, 38, .94) 0%, rgba(11, 15, 14, .97) 100%);
  --faq-card-open: linear-gradient(158deg, rgba(15, 46, 38, 1) 0%, rgba(11, 15, 14, 1) 100%);
  padding-bottom: clamp(3rem, 7vw, 6rem);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(1.5rem, 4vw, 2.75rem);
  padding-bottom: clamp(1.75rem, 4vw, 3rem);
}

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

.page-faq .faq-hero__note {
  padding: 1.2rem 1.25rem;
  margin-top: 1.5rem;
}

.page-faq .faq-hero__note .card__title {
  margin: 0 0 .85rem;
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-faq .faq-quick {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .7rem;
}

.page-faq .faq-quick li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .75rem;
  align-items: baseline;
  font-size: .93rem;
  line-height: 1.6;
  color: var(--bone);
}

.page-faq .faq-quick__k {
  font-size: .8rem;
  color: var(--gold-bright);
  white-space: nowrap;
}

@media (min-width: 760px) {
  .page-faq .faq-hero__note { margin-top: 0; }
}

/* ---------- 页内索引 ---------- */
.page-faq .faq-index {
  display: grid;
  gap: .7rem;
  padding: 1.1rem 0;
  border-top: 1px solid var(--line-gold);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-index__title {
  margin: 0;
  font-size: .7rem;
  letter-spacing: .2em;
  color: var(--moss);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .5rem;
}

.page-faq .faq-index__list a {
  display: inline-flex;
  align-items: baseline;
  gap: .6rem;
  padding-bottom: 2px;
  font-size: .95rem;
  color: var(--bone);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

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

.page-faq .faq-index__list .mono {
  font-size: .74rem;
  color: var(--gold);
}

@media (min-width: 760px) {
  .page-faq .faq-index {
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 2rem;
  }
  .page-faq .faq-index__list {
    grid-template-columns: repeat(4, auto);
    justify-content: start;
    gap: 2rem;
  }
}

/* ---------- 图文/图注 ---------- */
.page-faq .faq-figure {
  margin: clamp(1.5rem, 3vw, 2.25rem) 0 0;
}

/* ---------- 现象矩阵 ---------- */
.page-faq .faq-matrix {
  display: grid;
  gap: 1rem;
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
}

@media (min-width: 768px) {
  .page-faq .faq-matrix {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .faq-card--wide {
    grid-column: 1 / -1;
  }
}

.page-faq .faq-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: var(--faq-card);
  transition: border-color .25s var(--ease), background .25s var(--ease);
}

.page-faq .faq-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: rgba(245, 165, 36, .5);
  transition: background .25s var(--ease);
}

.page-faq .faq-card[open] {
  border-color: var(--line-gold);
  background: var(--faq-card-open);
}

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

.page-faq .faq-card > summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: .9rem;
  padding: 1rem 1.1rem 1rem 1.3rem;
  cursor: pointer;
  list-style: none;
}

.page-faq .faq-card > summary::-webkit-details-marker { display: none; }

.page-faq .faq-card > summary::marker { content: ""; }

.page-faq .faq-card > summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-faq .faq-card__icon {
  width: 22px;
  height: 22px;
  color: var(--gold);
  flex: none;
  transition: color .25s var(--ease);
}

.page-faq .faq-card[open] .faq-card__icon { color: var(--cyan); }

.page-faq .faq-card__text { min-width: 0; }

.page-faq .faq-card__label {
  display: block;
  font-size: 1.06rem;
  font-weight: 800;
  letter-spacing: .01em;
  line-height: 1.3;
  color: var(--bone);
}

.page-faq .faq-card__hint {
  display: block;
  margin-top: .25rem;
  font-size: .82rem;
  line-height: 1.5;
  color: var(--moss);
}

.page-faq .faq-card__chev {
  width: .56rem;
  height: .56rem;
  border-right: 2px solid var(--moss);
  border-bottom: 2px solid var(--moss);
  transform: rotate(45deg);
  transition: transform .28s var(--ease), border-color .25s var(--ease);
  flex: none;
}

.page-faq .faq-card[open] .faq-card__chev {
  transform: rotate(225deg);
  border-color: var(--cyan);
}

.page-faq .faq-card__body {
  padding: .3rem 1.15rem 1.3rem 1.3rem;
  border-top: 1px solid var(--line);
}

.page-faq .faq-card[open] > .faq-card__body {
  animation: faq-open .3s var(--ease) both;
}

@keyframes faq-open {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 步骤清单 ---------- */
.page-faq .steps {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: .9rem;
}

.page-faq .steps li {
  display: grid;
  grid-template-columns: 2.2rem 1fr;
  gap: .6rem;
  align-items: start;
}

.page-faq .steps__no {
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--gold);
  padding-top: .3rem;
  border-top: 1px solid var(--line-gold);
}

.page-faq .steps p {
  margin: 0;
  font-size: .94rem;
  line-height: 1.75;
  color: var(--bone);
}

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

/* ---------- 自检清单 ---------- */
.page-faq .checklist {
  list-style: none;
  margin: clamp(1.5rem, 3vw, 2.25rem) 0 0;
  padding: 0;
  display: grid;
  gap: .7rem;
}

.page-faq .checklist li {
  display: grid;
  grid-template-columns: 1.5rem 1fr;
  gap: .9rem;
  align-items: start;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: rgba(15, 46, 38, .55);
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-faq .checklist li:hover {
  border-color: var(--line-cyan);
  background: rgba(15, 46, 38, .8);
}

.page-faq .checklist__box {
  position: relative;
  display: block;
  width: 1.05rem;
  height: 1.05rem;
  margin-top: .28rem;
  border: 1.5px solid var(--line-cyan);
  border-radius: 2px;
}

.page-faq .checklist li:hover .checklist__box::after {
  content: "";
  position: absolute;
  inset: 3px;
  background: var(--cyan);
}

.page-faq .checklist__title {
  margin: 0 0 .3rem;
  font-size: 1rem;
  font-weight: 800;
  color: var(--bone);
}

.page-faq .checklist__desc {
  margin: 0;
  font-size: .92rem;
  line-height: 1.7;
  color: var(--moss);
}

.page-faq .checklist__note {
  margin: 1.1rem 0 0;
  padding-left: .95rem;
  border-left: 2px solid var(--gold);
  font-size: .93rem;
  line-height: 1.75;
  color: var(--bone);
}

.page-faq .faq-specs {
  display: grid;
  gap: .8rem;
  margin-top: 1.75rem;
}

@media (min-width: 720px) {
  .page-faq .faq-specs { grid-template-columns: 1fr 1fr; }
}

.page-faq .faq-spec {
  padding: 1rem 1.15rem;
  border: 1px dashed var(--line);
  border-radius: var(--faq-radius);
}

.page-faq .faq-spec--rec {
  border-style: solid;
  border-color: var(--line-gold);
  background: rgba(245, 165, 36, .05);
}

.page-faq .faq-spec__k {
  margin: 0 0 .5rem;
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-faq .faq-spec--rec .faq-spec__k { color: var(--gold-bright); }

.page-faq .faq-spec__v {
  margin: 0;
  font-size: .92rem;
  line-height: 1.7;
  color: var(--bone);
}

/* ---------- 时段对照表 ---------- */
.page-faq .faq-tablewrap {
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-tablewrap .data-table {
  min-width: 34rem;
}

.page-faq .faq-note {
  margin: 1.25rem 0 0;
  font-size: .92rem;
  line-height: 1.75;
  color: var(--moss);
  max-width: 68ch;
}

.page-faq .faq-note--end {
  margin-top: 1.75rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
}

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

/* ---------- 人工支持 ---------- */
.page-faq .faq-panel {
  padding: 1.2rem 1.25rem;
  margin-top: 1.5rem;
  height: 100%;
}

.page-faq .faq-panel .card__title {
  margin: 0 0 .9rem;
  font-size: 1rem;
  letter-spacing: .01em;
  color: var(--gold);
}

.page-faq .faq-signals {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .75rem;
}

.page-faq .faq-signals li {
  position: relative;
  padding-left: 1.15rem;
  font-size: .93rem;
  line-height: 1.7;
  color: var(--bone);
}

.page-faq .faq-signals li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .66em;
  width: .42rem;
  height: .42rem;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-faq .faq-signals--alt li::before {
  background: var(--gold);
  border-radius: 50%;
  transform: none;
}

.page-faq .faq-template {
  margin-top: 1.5rem;
  padding: 1.15rem 1.25rem;
  border: 1px solid var(--line-cyan);
  border-radius: var(--faq-radius);
  background: rgba(61, 224, 208, .05);
}

.page-faq .faq-template__k {
  margin: 0 0 .7rem;
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-faq .faq-template__body {
  margin: 0 0 1rem;
  font-size: .89rem;
  line-height: 1.8;
  color: var(--bone);
  overflow-wrap: anywhere;
}

.page-faq .faq-contact {
  display: grid;
  gap: .85rem;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.page-faq .faq-contact__row {
  display: grid;
  gap: .3rem;
  margin: 0;
}

.page-faq .faq-contact__k {
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--moss);
}

.page-faq .faq-contact__v {
  font-size: .93rem;
  line-height: 1.7;
  color: var(--bone);
  overflow-wrap: anywhere;
}

@media (min-width: 760px) {
  .page-faq .faq-contact__row {
    grid-template-columns: 7rem 1fr;
    gap: 1.25rem;
    align-items: baseline;
  }
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-card[open] > .faq-card__body { animation: none; }
  .page-faq .faq-card,
  .page-faq .faq-card__icon,
  .page-faq .faq-card__chev,
  .page-faq .checklist li {
    transition: none;
  }
}
</main>