.page-faq {
  --faq-rule: rgba(31, 90, 66, .45);
  --faq-rule-soft: rgba(31, 90, 66, .26);
  --faq-ink: #c9dbd2;
  position: relative;
  padding-block: clamp(18px, 2.6vw, 34px) calc(var(--quick-h) + 76px);
  overflow-x: clip;
}

.page-faq::before {
  content: "";
  position: absolute;
  inset: -140px 0 auto;
  height: 560px;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(58% 78% at 18% 0%, rgba(255, 106, 46, .16), transparent 72%),
    radial-gradient(52% 72% at 88% 6%, rgba(63, 169, 245, .13), transparent 74%);
}

.page-faq .container {
  position: relative;
  z-index: 1;
}

.page-faq .faq-group[id],
.page-faq .accordion-item[id] {
  scroll-margin-top: calc(var(--topbar-h) + 28px);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  margin-top: clamp(18px, 2.4vw, 30px);
}

.page-faq .faq-hero .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--blue-pale);
}

.page-faq .faq-title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.2vw, 64px);
  line-height: 1.06;
  letter-spacing: -.035em;
  color: var(--white);
  max-width: 18ch;
}

.page-faq .faq-lede {
  margin: 20px 0 0;
  max-width: 60ch;
  color: var(--faq-ink);
  font-size: clamp(15.5px, 1.5vw, 17.5px);
  line-height: 1.9;
}

/* ---------- 定位栏 ---------- */

.page-faq .faq-finder {
  margin-top: clamp(26px, 3.4vw, 40px);
  border: 1px solid var(--faq-rule);
  border-radius: 4px;
  background: linear-gradient(180deg, rgba(14, 36, 25, .92), rgba(8, 23, 15, .62));
  overflow: hidden;
}

.page-faq .faq-finder-row {
  display: grid;
  gap: 10px 18px;
  padding: 16px 18px;
}

.page-faq .faq-finder-row + .faq-finder-row {
  border-top: 1px dashed var(--faq-rule-soft);
}

.page-faq .faq-finder-k {
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-finder-list,
.page-faq .faq-cats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}

.page-faq .faq-finder-list a {
  color: var(--blue-pale);
  font-size: 14.5px;
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .faq-finder-list a:hover {
  color: var(--white);
  border-color: var(--signal);
}

.page-faq .faq-cats a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border: 1px solid var(--faq-rule);
  border-radius: 999px;
  background: rgba(20, 53, 42, .58);
  color: var(--white);
  font-size: 14px;
  text-decoration: none;
  transition: background .18s var(--ease), border-color .18s var(--ease), transform .18s var(--ease);
}

.page-faq .faq-cats a:hover {
  background: rgba(255, 106, 46, .16);
  border-color: var(--signal);
  transform: translateY(-2px);
}

.page-faq .faq-cats .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--signal);
}

/* ---------- 场景分组 ---------- */

.page-faq .faq-group {
  margin-top: clamp(44px, 5.6vw, 92px);
  padding-top: clamp(24px, 3.2vw, 40px);
  border-top: 1px solid var(--faq-rule);
  display: grid;
  gap: 22px;
}

.page-faq .faq-group-head {
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-faq .faq-group .section-num {
  font-family: var(--font-mono);
  font-size: clamp(42px, 5.4vw, 68px);
  font-weight: 700;
  line-height: .85;
  letter-spacing: -.02em;
  color: var(--faq-rule);
}

@supports (-webkit-text-stroke: 1px currentColor) {
  .page-faq .faq-group .section-num {
    color: transparent;
    -webkit-text-stroke: 1.2px rgba(31, 90, 66, .95);
  }
}

.page-faq .faq-group .section-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 2.6vw, 30px);
  letter-spacing: -.02em;
  color: var(--white);
}

.page-faq .faq-group-note {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.78;
}

/* ---------- 手风琴 ---------- */

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

.page-faq .accordion-item {
  position: relative;
  border: 1px solid var(--faq-rule-soft);
  border-radius: 3px;
  background: linear-gradient(180deg, rgba(20, 53, 42, .7), rgba(14, 36, 25, .46));
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-faq .accordion-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: linear-gradient(180deg, var(--signal), var(--signal-soft));
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform .26s var(--ease);
}

.page-faq .accordion-item:hover {
  border-color: var(--faq-rule);
}

.page-faq .accordion-item:has(.accordion-panel[data-open="true"]) {
  border-color: rgba(255, 106, 46, .5);
  background: linear-gradient(180deg, rgba(23, 58, 46, .84), rgba(14, 36, 25, .56));
}

.page-faq .accordion-item:has(.accordion-panel[data-open="true"])::before {
  transform: scaleY(1);
}

.page-faq .accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 17px 18px 17px 22px;
  background: none;
  border: 0;
  color: var(--white);
  font-family: var(--font-body);
  font-size: clamp(15px, 1.45vw, 16.5px);
  font-weight: 500;
  line-height: 1.6;
  text-align: left;
  cursor: pointer;
}

.page-faq .accordion-trigger::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 19px;
  line-height: 1;
  color: var(--blue);
  transition: color .22s var(--ease);
}

.page-faq .accordion-trigger[aria-expanded="true"] {
  color: var(--signal-soft);
}

.page-faq .accordion-trigger[aria-expanded="true"]::after {
  content: "–";
  color: var(--signal);
}

.page-faq .accordion-trigger:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: -2px;
}

.page-faq .accordion-panel {
  padding: 0 22px 20px;
}

.page-faq.js .page-faq .accordion-panel[data-open="false"] {
  display: none;
}

.page-faq .faq-answer {
  margin: 0;
  color: var(--faq-ink);
  font-size: 15px;
  line-height: 1.88;
  max-width: 62ch;
}

.page-faq .faq-answer + .faq-steps,
.page-faq .faq-answer + .faq-copy {
  margin-top: 14px;
}

.page-faq .faq-steps {
  counter-reset: faq-step;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  max-width: 62ch;
}

.page-faq .faq-steps li {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  color: var(--faq-ink);
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .faq-steps li::before {
  counter-increment: faq-step;
  content: counter(faq-step, decimal-leading-zero);
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--faq-rule);
  border-radius: 999px;
  background: rgba(8, 23, 15, .8);
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .02em;
}

.page-faq .faq-copy {
  margin-top: 14px;
  padding: 8px 14px;
  font-size: 13px;
  letter-spacing: .02em;
}

/* ---------- 配图 ---------- */

.page-faq .faq-figure {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-figure .media {
  border: 1px solid var(--faq-rule);
  border-radius: 3px;
  overflow: hidden;
  background: rgba(14, 36, 25, .6);
}

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

.page-faq .faq-figure .exhibit {
  display: flex;
  gap: 8px;
  align-items: baseline;
  margin: 0;
  padding: 0;
  border: 0;
  background: none;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.page-faq .faq-figure .exhibit-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--signal);
}

/* ---------- 联系 ---------- */

.page-faq .faq-contact {
  border: 1px solid rgba(255, 106, 46, .32);
  border-radius: 4px;
  padding: clamp(20px, 3vw, 34px);
  background:
    radial-gradient(72% 120% at 0% 0%, rgba(255, 106, 46, .15), transparent 70%),
    linear-gradient(150deg, rgba(20, 53, 42, .88), rgba(8, 23, 15, .72));
  display: grid;
  gap: 18px;
}

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

.page-faq .faq-contact-list li {
  display: grid;
  gap: 6px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--faq-rule-soft);
}

.page-faq .faq-contact-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--muted);
}

.page-faq .faq-v {
  color: var(--white);
  font-size: 15.5px;
  line-height: 1.7;
  overflow-wrap: anywhere;
}

.page-faq .faq-contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.page-faq .faq-aside {
  margin: 0;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.8;
}

.page-faq .faq-aside a {
  color: var(--blue-pale);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 169, 245, .4);
}

.page-faq .faq-aside a:hover {
  color: var(--white);
  border-color: var(--signal);
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .page-faq .faq-finder-row {
    grid-template-columns: 64px minmax(0, 1fr);
    align-items: baseline;
    padding: 18px 22px;
  }

  .page-faq .faq-contact-list li {
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: center;
    gap: 8px 16px;
  }

  .page-faq .faq-contact-list li .faq-copy {
    grid-column: 2;
    justify-self: start;
    margin: 0;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-title {
    line-height: 1.02;
  }

  .page-faq .faq-group {
    grid-template-columns: minmax(0, 272px) minmax(0, 1fr);
    column-gap: clamp(32px, 4vw, 64px);
    row-gap: 26px;
    align-items: start;
  }

  .page-faq .faq-group-head {
    grid-column: 1;
    grid-row: 1;
  }

  .page-faq .faq-list,
  .page-faq .faq-contact {
    grid-column: 2;
    grid-row: 1;
  }

  .page-faq .faq-group .faq-figure {
    grid-column: 1 / -1;
    grid-row: 2;
    max-width: 640px;
    margin-top: 10px;
  }

  .page-faq .faq-contact-list li {
    grid-template-columns: 96px minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-faq .faq-contact-list li .faq-copy {
    grid-column: 3;
    justify-self: end;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-group {
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .accordion-item,
  .page-faq .accordion-item::before,
  .page-faq .accordion-trigger::after,
  .page-faq .faq-cats a,
  .page-faq .faq-finder-list a {
    transition-duration: .01ms;
    transform: none;
  }
}