.page-faq {
  --faq-hair: rgba(12, 35, 28, 0.14);
  --faq-hair-dark: rgba(200, 255, 61, 0.22);
  --faq-soft: #3A4A43;
  background: var(--cream);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: calc(var(--head-h) + 40px) 0 60px;
  background: radial-gradient(125% 95% at 84% 0%, var(--pitch) 0%, var(--ink-deep) 54%, var(--near-black) 100%);
  color: var(--paper-white);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -180px;
  bottom: -240px;
  width: 520px;
  height: 520px;
  border: 1px solid var(--faq-hair-dark);
  border-radius: 50%;
  pointer-events: none;
}

.page-faq .faq-hero .breadcrumbs {
  position: relative;
  z-index: 1;
  margin-bottom: 28px;
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--cold);
}

.page-faq .faq-hero .breadcrumbs a {
  color: var(--ink-soft);
  text-decoration: none;
}

.page-faq .faq-hero .breadcrumbs a:hover {
  color: var(--lime);
}

.page-faq .faq-hero .breadcrumbs__sep {
  margin: 0 8px;
  color: var(--rust);
}

.page-faq .faq-hero .breadcrumbs [aria-current="page"] {
  color: var(--lime);
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 36px;
}

.page-faq .faq-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--lime);
}

.page-faq .faq-hero h1 {
  margin: 0 0 18px;
  font-size: clamp(30px, 7vw, 52px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--paper-white);
}

.page-faq .faq-hero__text {
  margin: 0 0 26px;
  max-width: 32em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-hero__actions .btn {
  flex: 1 1 auto;
  text-align: center;
}

/* 概况面板 */
.page-faq .faq-hero__panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--faq-hair-dark);
  border-radius: var(--r-lg);
  background: var(--faq-hair-dark);
  overflow: hidden;
}

.page-faq .faq-stat {
  padding: 20px 18px 22px;
  background: rgba(7, 19, 15, 0.55);
}

.page-faq .faq-stat__figure {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 0 0 10px;
}

.page-faq .faq-stat__value {
  font-family: var(--font-data);
  font-size: 32px;
  font-weight: 700;
  line-height: 1;
  color: var(--lime);
  letter-spacing: -0.01em;
}

.page-faq .faq-stat__unit {
  font-family: var(--font-data);
  font-size: 13px;
  color: var(--cold);
}

.page-faq .faq-stat__label {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-soft);
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-body {
  padding: 52px 0 64px;
  background: var(--cream);
}

.page-faq .faq-body__grid {
  display: grid;
  gap: 40px;
}

.page-faq .faq-index {
  border-top: 2px solid var(--rust);
  padding-top: 16px;
}

.page-faq .faq-index__title {
  margin: 0 0 14px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--rust);
}

.page-faq .faq-index__list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 16px;
  border: 1px solid var(--faq-hair);
  border-radius: var(--r-pill);
  background: var(--paper-white);
  color: var(--ink-deep);
  font-size: 15px;
  text-decoration: none;
  white-space: nowrap;
}

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

.page-faq .faq-index__num {
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--rust);
}

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

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  margin-bottom: 52px;
}

.page-faq .faq-group:last-child {
  margin-bottom: 0;
}

.page-faq .faq-group__num {
  display: inline-block;
  margin: 0;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--rust);
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--rust);
}

.page-faq .faq-group h2 {
  margin: 14px 0 10px;
  font-size: clamp(22px, 4.4vw, 32px);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.2;
  color: var(--ink-deep);
}

.page-faq .faq-group__lead {
  margin: 0 0 22px;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--faq-soft);
}

/* 深色数据分组 */
.page-faq .faq-group--dark {
  margin-inline: -12px;
  padding: 30px 20px 34px;
  border-radius: var(--r-lg);
  background: radial-gradient(120% 100% at 100% 0%, var(--pitch) 0%, var(--ink-deep) 68%, var(--near-black) 100%);
  color: var(--paper-white);
}

.page-faq .faq-group--dark h2 {
  color: var(--paper-white);
}

.page-faq .faq-group--dark .faq-group__num {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-faq .faq-group--dark .faq-group__lead {
  color: var(--ink-soft);
}

.page-faq .faq-tag {
  display: inline-flex;
  align-items: center;
  margin: 0 0 20px;
  padding: 5px 14px;
  border: 1px solid rgba(255, 122, 26, 0.55);
  border-radius: var(--r-pill);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 0 0 24px;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--r-md);
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-data);
  font-size: 12px;
  line-height: 1.6;
  color: var(--cold);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa {
  border-top: 1px solid var(--faq-hair);
}

.page-faq .qa:last-of-type {
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 17px 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink-deep);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa__q::after {
  content: "+";
  flex: none;
  margin-top: 1px;
  font-family: var(--font-data);
  font-size: 20px;
  line-height: 1;
  color: var(--rust);
}

.page-faq .qa[open] .qa__q::after {
  content: "\2013";
  color: var(--orange);
}

.page-faq .qa__a {
  padding: 0 0 20px;
  max-width: 42em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--faq-soft);
}

.page-faq .qa__a p {
  margin: 0 0 10px;
}

.page-faq .qa__a p:last-child {
  margin-bottom: 0;
}

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

.page-faq .qa__a a:hover {
  color: var(--orange);
}

.page-faq .faq-group--dark .qa {
  border-color: var(--faq-hair-dark);
}

.page-faq .faq-group--dark .qa__q {
  color: var(--paper-white);
}

.page-faq .faq-group--dark .qa__q::after {
  color: var(--lime);
}

.page-faq .faq-group--dark .qa[open] .qa__q::after {
  color: var(--orange);
}

.page-faq .faq-group--dark .qa__a {
  color: var(--ink-soft);
}

.page-faq .faq-group--dark .qa__a a {
  color: var(--lime);
}

.page-faq .faq-group--dark .faq-figure figcaption {
  color: var(--cold);
}

/* ---------- 底部反馈带 ---------- */
.page-faq .faq-cta {
  padding: 44px 0 60px;
  background: var(--ink-deep);
  color: var(--paper-white);
  border-top: 1px solid var(--faq-hair-dark);
}

.page-faq .faq-cta__inner {
  display: grid;
  gap: 26px;
}

.page-faq .faq-cta h2 {
  margin: 0 0 12px;
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 800;
  line-height: 1.25;
  color: var(--paper-white);
}

.page-faq .faq-cta__text p {
  margin: 0;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-faq .faq-cta__contact {
  padding: 22px 20px 24px;
  border: 1px solid var(--faq-hair-dark);
  border-radius: var(--r-lg);
  background: rgba(7, 19, 15, 0.5);
}

.page-faq .faq-cta__line {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  margin: 0 0 12px;
  font-family: var(--font-data);
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper-white);
  word-break: break-word;
}

.page-faq .faq-cta__label {
  min-width: 40px;
  color: var(--lime);
  font-size: 12px;
  letter-spacing: 0.14em;
}

.page-faq .faq-cta__contact .btn {
  margin-top: 8px;
  width: 100%;
  text-align: center;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero {
    padding: calc(var(--head-h) + 56px) 0 76px;
  }

  .page-faq .faq-hero__actions .btn {
    flex: 0 0 auto;
    padding-inline: 26px;
  }

  .page-faq .faq-stat {
    padding: 24px 22px 26px;
  }

  .page-faq .faq-stat__value {
    font-size: 40px;
  }

  .page-faq .faq-group--dark {
    margin-inline: -16px;
    padding: 38px 32px 42px;
  }

  .page-faq .faq-cta__contact {
    padding: 26px 28px 28px;
  }

  .page-faq .faq-cta__contact .btn {
    width: auto;
    display: inline-block;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-hero {
    padding: calc(var(--head-h) + 64px) 0 96px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 64px;
    align-items: end;
  }

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

  .page-faq .faq-body {
    padding: 72px 0 88px;
  }

  .page-faq .faq-body__grid {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 64px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--head-h) + 28px);
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
  }

  .page-faq .faq-index__link {
    width: 100%;
    padding: 13px 4px;
    border: 0;
    border-bottom: 1px solid var(--faq-hair);
    border-radius: 0;
    background: none;
    justify-content: flex-start;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    padding-left: 12px;
    background: linear-gradient(90deg, rgba(122, 59, 46, 0.12), transparent 70%);
  }

  .page-faq .faq-group {
    margin-bottom: 64px;
  }

  .page-faq .faq-group--dark {
    margin-inline: -24px;
    padding: 44px 44px 48px;
  }

  .page-faq .faq-cta__inner {
    grid-template-columns: 1.25fr 0.75fr;
    gap: 48px;
    align-items: center;
  }

  .page-faq .faq-cta {
    padding: 56px 0 72px;
  }
}

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

  .page-faq .qa__q {
    font-size: 18px;
  }
}
<<<END>>>