.page-faq {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line-2);
  background:
    radial-gradient(115% 95% at 88% -10%, rgba(200, 255, 61, 0.14), transparent 58%),
    linear-gradient(180deg, var(--ink-deep) 0%, var(--ink) 82%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(90deg, rgba(242, 235, 221, 0.07) 1px, transparent 1px);
  background-size: 25% 100%;
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  padding-inline: var(--pad-x);
  padding-block: clamp(22px, 4vw, 40px) clamp(28px, 5vw, 54px);
}

.page-faq .faq-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--concrete);
}

.page-faq .faq-crumbs a {
  color: var(--concrete);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease);
}

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

.page-faq .faq-hero h1 {
  margin: clamp(18px, 3vw, 30px) 0 0;
  font-size: clamp(31px, 6vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.025em;
  font-weight: 900;
  color: var(--paper);
  max-width: 22ch;
}

.page-faq .faq-hero__lead {
  margin: clamp(15px, 2.4vw, 22px) 0 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.62;
  color: rgba(242, 235, 221, 0.8);
}

.page-faq .faq-stats {
  display: flex;
  flex-wrap: wrap;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-faq .faq-stats li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 13px 20px 13px 0;
  margin-right: 20px;
  border-right: 1px solid var(--line);
}

.page-faq .faq-stats li:last-child {
  border-right: 0;
  margin-right: 0;
  padding-right: 0;
}

.page-faq .faq-stats__k {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--concrete);
}

.page-faq .faq-stats__v {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--lime);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(18px, 3vw, 26px);
}

.page-faq .faq-jump a {
  display: inline-flex;
  align-items: center;
  padding: 11px 18px;
  border: 1px solid var(--line-2);
  color: var(--paper);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  transition: background 0.24s var(--ease), color 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-faq .faq-jump a:first-child {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  background: var(--ink);
}

.page-faq .faq-body__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 34px);
  padding-inline: var(--pad-x);
  padding-block: clamp(26px, 4vw, 44px) clamp(44px, 7vw, 88px);
}

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

/* ---------- 左侧目录 ---------- */
.page-faq .faq-rail__label {
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-2);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--concrete);
}

.page-faq .faq-rail__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  color: var(--paper);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  transition: border-color 0.22s var(--ease), color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-faq .faq-rail__num,
.page-faq .faq-rail__count {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--concrete);
  transition: color 0.22s var(--ease);
}

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

.page-faq .faq-rail__link:hover .faq-rail__num,
.page-faq .faq-rail__link:hover .faq-rail__count,
.page-faq .faq-rail__link:focus-visible .faq-rail__num,
.page-faq .faq-rail__link:focus-visible .faq-rail__count {
  color: var(--lime);
}

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

.page-faq .faq-rail__foot a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--line-2);
}

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

/* ---------- 分类区块 ---------- */
.page-faq .faq-cat {
  scroll-margin-top: calc(var(--topbar-h) + 24px);
}

.page-faq .faq-cat + .faq-cat {
  margin-top: clamp(32px, 5vw, 58px);
}

.page-faq .faq-cat__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(12px, 2vw, 20px);
  align-items: start;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-2);
}

.page-faq .faq-cat__num {
  font-family: var(--font-mono);
  font-size: clamp(24px, 4vw, 38px);
  font-weight: 600;
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: var(--concrete);
}

.page-faq .faq-cat__title {
  margin: 0;
  font-size: clamp(20px, 3vw, 27px);
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-faq .faq-cat__note {
  margin: 6px 0 0;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--concrete);
}

/* ---------- 问答手风琴 ---------- */
.page-faq .faq-item {
  border-bottom: 1px solid var(--line);
  background: transparent;
  transition: background 0.26s var(--ease), box-shadow 0.26s var(--ease);
}

.page-faq .faq-item[open] {
  background: var(--paper);
  box-shadow: inset 3px 0 0 var(--lime);
}

.page-faq .faq-q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px 12px;
  align-items: start;
  padding: 17px clamp(10px, 2vw, 18px);
  cursor: pointer;
  list-style: none;
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 700;
  line-height: 1.42;
  color: var(--paper);
  transition: color 0.22s var(--ease);
}

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

.page-faq .faq-q::marker {
  content: "";
}

.page-faq .faq-q:hover {
  color: var(--lime);
}

.page-faq .faq-item[open] .faq-q {
  color: var(--steel);
}

.page-faq .faq-item[open] .faq-q:hover {
  color: var(--steel);
}

.page-faq .faq-q__num {
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--concrete);
  transition: color 0.22s var(--ease);
}

.page-faq .faq-item[open] .faq-q__num {
  color: var(--turf);
}

.page-faq .faq-q__sign {
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 5px;
  color: var(--concrete);
  transition: color 0.22s var(--ease);
}

.page-faq .faq-q__sign::before,
.page-faq .faq-q__sign::after {
  content: "";
  position: absolute;
  background: currentColor;
  transition: transform 0.26s var(--ease), opacity 0.26s var(--ease);
}

.page-faq .faq-q__sign::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-faq .faq-q__sign::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
}

.page-faq .faq-item[open] .faq-q__sign {
  color: var(--turf);
}

.page-faq .faq-item[open] .faq-q__sign::after {
  transform: rotate(90deg);
  opacity: 0;
}

.page-faq .faq-a {
  padding: 0 clamp(12px, 2vw, 20px) 20px calc(clamp(12px, 2vw, 20px) + 26px);
  font-size: 15px;
  line-height: 1.62;
  color: rgba(20, 23, 22, 0.82);
}

.page-faq .faq-a p {
  margin: 0;
  overflow-wrap: break-word;
}

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

/* ---------- 配图 ---------- */
.page-faq .faq-shot {
  margin: 20px 0 0;
}

.page-faq .faq-shot img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line-2);
  background: var(--ink-deep);
}

.page-faq .faq-shot figcaption {
  margin-top: 9px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  line-height: 1.5;
  color: var(--concrete);
}

/* ---------- 联系卡片 ---------- */
.page-faq .faq-contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 18px;
  padding: clamp(16px, 3vw, 24px);
  border: 1px solid var(--line-2);
  background: linear-gradient(180deg, rgba(30, 91, 58, 0.32), rgba(11, 42, 34, 0.72));
}

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

.page-faq .faq-contact__k {
  display: block;
  margin-bottom: 7px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--concrete);
}

.page-faq .faq-contact__v {
  display: block;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--paper);
  overflow-wrap: break-word;
}

.page-faq .faq-copy {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid var(--lime);
  background: transparent;
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.01em;
  line-height: 1.4;
  text-align: left;
  word-break: break-all;
  cursor: pointer;
  transition: background 0.22s var(--ease), color 0.22s var(--ease);
}

.page-faq .faq-copy:hover,
.page-faq .faq-copy:focus-visible,
.page-faq .faq-copy[data-copied] {
  background: var(--lime);
  color: var(--ink);
}

.page-faq .faq-copy__hint {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--concrete);
}

/* ---------- 末尾引导 ---------- */
.page-faq .faq-more {
  margin-top: clamp(36px, 5vw, 62px);
  padding-top: clamp(20px, 3vw, 28px);
  border-top: 1px solid var(--line-2);
}

.page-faq .faq-more__title {
  margin: 0 0 10px;
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-more p {
  margin: 0 0 18px;
  max-width: 54ch;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--concrete);
}

.page-faq .faq-more__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
}

.page-faq .faq-more__links a {
  color: var(--paper);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--line-2);
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease);
}

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

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-body__grid {
    grid-template-columns: 262px minmax(0, 1fr);
    gap: clamp(34px, 5vw, 72px);
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--topbar-h) + 20px);
    align-self: start;
  }

  .page-faq .faq-rail__list {
    display: block;
    margin-bottom: 18px;
  }

  .page-faq .faq-rail__item {
    border-bottom: 1px solid var(--line);
  }

  .page-faq .faq-rail__item:first-child {
    border-top: 1px solid var(--line);
  }

  .page-faq .faq-rail__link {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 12px;
    width: 100%;
    padding: 12px 6px;
    border: 0;
    font-size: 14px;
    box-sizing: border-box;
  }

  .page-faq .faq-rail__link:hover,
  .page-faq .faq-rail__link:focus-visible {
    transform: translateX(5px);
  }

  .page-faq .faq-q {
    padding: 19px 22px;
  }

  .page-faq .faq-a {
    padding: 0 22px 22px 60px;
    font-size: 15.5px;
  }

  .page-faq .faq-contact {
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 20px;
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-body__grid {
    grid-template-columns: 280px minmax(0, 1fr);
  }
}

/* ---------- 窄屏收口 ---------- */
@media (max-width: 480px) {
  .page-faq .faq-stats {
    border-top: 0;
  }

  .page-faq .faq-stats li {
    width: 100%;
    margin-right: 0;
    padding: 10px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

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

  .page-faq .faq-jump a {
    flex: 1 1 100%;
    justify-content: center;
  }

  .page-faq .faq-rail__link {
    font-size: 12.5px;
    padding: 8px 10px;
  }

  .page-faq .faq-q {
    gap: 8px;
    padding: 15px 10px;
  }

  .page-faq .faq-a {
    padding: 0 12px 18px 46px;
    font-size: 14.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-q,
  .page-faq .faq-q__sign,
  .page-faq .faq-q__sign::before,
  .page-faq .faq-q__sign::after,
  .page-faq .faq-rail__link,
  .page-faq .faq-jump a,
  .page-faq .faq-copy {
    transition: none;
  }

  .page-faq .faq-rail__link:hover,
  .page-faq .faq-rail__link:focus-visible {
    transform: none;
  }
}
<<<END>>>