.page-faq {
  --faq-panel: rgba(14, 36, 64, 0.62);
  --faq-panel-solid: rgba(14, 36, 64, 0.94);
  --faq-stroke: rgba(143, 163, 184, 0.18);
  --faq-copper-line: rgba(192, 138, 62, 0.38);
  --faq-radius: 18px;
  background:
    radial-gradient(1000px 560px at 84% -8%, rgba(55, 230, 212, 0.09), transparent 62%),
    radial-gradient(760px 420px at 6% 24%, rgba(192, 138, 62, 0.08), transparent 60%),
    linear-gradient(180deg, #0A1A2F 0%, #071426 58%, #050B14 100%);
  color: var(--mist);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 26px 0 36px;
}

.page-faq .faq-hero__media {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.page-faq .faq-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.4;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 11, 20, 0.42) 0%, rgba(5, 11, 20, 0.88) 66%, #0A1A2F 100%);
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 2;
}

.page-faq .breadcrumb {
  margin-bottom: 20px;
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(28px, 7.2vw, 50px);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.16;
  color: var(--mist);
  text-shadow: 0 2px 24px rgba(5, 11, 20, 0.6);
}

.page-faq .faq-hero__lead {
  max-width: 62ch;
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--slate);
}

.page-faq .faq-quick {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-quick__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 18px;
  border: 1px solid var(--faq-stroke);
  border-radius: var(--radius-pill);
  background: rgba(10, 26, 47, 0.62);
  backdrop-filter: blur(6px);
  color: var(--mist);
  font-size: 15px;
  line-height: 1.5;
  text-decoration: none;
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease), background 0.22s var(--ease);
}

.page-faq .faq-quick__link::after {
  content: "→";
  flex: none;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--copper);
}

.page-faq .faq-quick__link:hover,
.page-faq .faq-quick__link:focus-visible {
  border-color: var(--faq-copper-line);
  background: rgba(14, 36, 64, 0.86);
  transform: translateY(-2px);
  outline: none;
}

/* ---------- 分类索引条 ---------- */
.page-faq .faq-tabs {
  padding: 18px 0 4px;
}

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

.page-faq .faq-tabs__link {
  display: inline-block;
  padding: 8px 15px;
  border: 1px solid var(--faq-stroke);
  border-radius: var(--radius-pill);
  background: rgba(5, 11, 20, 0.55);
  color: var(--slate);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-tabs__link:hover,
.page-faq .faq-tabs__link:focus-visible {
  color: var(--neon);
  border-color: rgba(55, 230, 212, 0.5);
  background: rgba(55, 230, 212, 0.08);
  outline: none;
}

/* ---------- 问题分组 ---------- */
.page-faq .faq-section {
  padding: 38px 0;
}

.page-faq .faq-section + .faq-section {
  border-top: 1px solid var(--faq-stroke);
}

.page-faq .faq-section__head {
  display: grid;
  gap: 14px;
  margin-bottom: 22px;
}

.page-faq .faq-section__icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  border: 1px solid var(--faq-stroke);
  background: rgba(55, 230, 212, 0.08);
  color: var(--neon);
}

.page-faq .faq-section__icon--neon {
  border-color: rgba(55, 230, 212, 0.3);
  background: rgba(55, 230, 212, 0.08);
  color: var(--neon);
}

.page-faq .faq-section__icon--amber {
  border-color: rgba(240, 138, 60, 0.32);
  background: rgba(240, 138, 60, 0.09);
  color: var(--amber);
}

.page-faq .faq-section__icon--copper {
  border-color: var(--faq-copper-line);
  background: rgba(192, 138, 62, 0.1);
  color: var(--copper-bright);
}

.page-faq .faq-section__title {
  margin: 0;
  font-size: 23px;
  font-weight: 700;
  letter-spacing: 0.035em;
  line-height: 1.3;
  color: var(--mist);
}

.page-faq .faq-section__lead {
  max-width: 68ch;
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  border: 1px solid var(--faq-stroke);
  border-radius: var(--radius-md);
  background: var(--faq-panel);
  overflow: hidden;
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-faq .faq-item:hover {
  border-color: var(--faq-copper-line);
  transform: translateY(-2px);
}

.page-faq .faq-item[open] {
  border-color: var(--faq-copper-line);
  background: var(--faq-panel-solid);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--mist);
  transition: color 0.2s var(--ease);
}

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

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: -3px;
}

.page-faq .faq-item__index {
  flex: none;
  padding-top: 2px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--copper);
}

.page-faq .faq-item__text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-item__mark {
  position: relative;
  flex: none;
  width: 20px;
  height: 20px;
  margin-top: 2px;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  border-radius: 2px;
  background: var(--copper);
  transition: transform 0.24s var(--ease), opacity 0.24s var(--ease), background 0.24s var(--ease);
}

.page-faq .faq-item__mark::before {
  top: 9px;
  left: 0;
  width: 20px;
  height: 2px;
}

.page-faq .faq-item__mark::after {
  top: 0;
  left: 9px;
  width: 2px;
  height: 20px;
}

.page-faq .faq-item[open] .faq-item__mark::before {
  background: var(--neon);
}

.page-faq .faq-item[open] .faq-item__mark::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-item__a {
  padding: 0 18px 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate);
}

.page-faq .faq-item__a p {
  margin: 0;
}

.page-faq .faq-item__a p + p {
  margin-top: 10px;
}

/* ---------- 数据分栏 ---------- */
.page-faq .faq-split {
  display: grid;
  gap: 24px;
}

.page-faq .faq-aside {
  display: grid;
  gap: 16px;
}

.page-faq .faq-figure {
  margin: 0;
  border-radius: var(--faq-radius);
  border: 1px solid var(--faq-stroke);
  background: rgba(5, 11, 20, 0.6);
  overflow: hidden;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-faq .faq-figure__cap {
  padding: 10px 14px;
  border-top: 1px solid var(--faq-stroke);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--slate);
}

.page-faq .faq-gauge {
  display: grid;
  border: 1px solid var(--faq-stroke);
  border-radius: var(--faq-radius);
  background: rgba(5, 11, 20, 0.6);
  overflow: hidden;
}

.page-faq .faq-gauge__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
}

.page-faq .faq-gauge__row + .faq-gauge__row {
  border-top: 1px solid var(--faq-stroke);
}

.page-faq .faq-gauge__label {
  font-size: 14px;
  line-height: 1.5;
  color: var(--slate);
}

.page-faq .faq-gauge__value {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--amber);
  white-space: nowrap;
}

.page-faq .faq-gauge__unit {
  margin-left: 3px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--slate);
}

/* ---------- 联系客服 ---------- */
.page-faq .faq-contact {
  padding-bottom: 56px;
}

.page-faq .faq-contact__grid {
  display: grid;
  gap: 12px;
}

.page-faq .faq-contact__card {
  padding: 20px 18px;
  border: 1px solid var(--faq-stroke);
  border-radius: var(--faq-radius);
  background: linear-gradient(160deg, rgba(14, 36, 64, 0.86) 0%, rgba(5, 11, 20, 0.9) 100%);
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-faq .faq-contact__card:hover {
  border-color: var(--faq-copper-line);
  transform: translateY(-2px);
}

.page-faq .faq-contact__key {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--copper);
}

.page-faq .faq-contact__val {
  margin: 10px 0 0;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.6;
  letter-spacing: 0.01em;
  color: var(--mist);
  word-break: break-word;
}

.page-faq .faq-contact__hint {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--slate);
}

.page-faq .faq-contact .note {
  display: block;
  max-width: 78ch;
  margin: 22px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--faq-copper-line);
  font-size: 13px;
  line-height: 1.8;
  color: var(--slate);
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero {
    padding: 36px 0 48px;
  }

  .page-faq .faq-quick {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-section__head {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: start;
    gap: 16px;
  }

  .page-faq .faq-section__title {
    font-size: 25px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 52px 0 64px;
  }

  .page-faq .faq-hero__lead {
    font-size: 17px;
  }

  .page-faq .faq-section {
    padding: 48px 0;
  }

  .page-faq .faq-tabs {
    padding: 22px 0 6px;
  }

  .page-faq .faq-item__q {
    padding: 18px 22px;
    font-size: 17px;
  }

  .page-faq .faq-item__a {
    padding: 0 22px 20px 54px;
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 30px;
    align-items: start;
  }

  .page-faq .faq-contact__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-quick__link,
  .page-faq .faq-item,
  .page-faq .faq-item__mark::before,
  .page-faq .faq-item__mark::after,
  .page-faq .faq-contact__card {
    transition: none;
  }

  .page-faq .faq-quick__link:hover,
  .page-faq .faq-item:hover,
  .page-faq .faq-contact__card:hover {
    transform: none;
  }
}