.page-faq {
  --faq-line: rgba(200, 230, 216, 0.16);
  --faq-body-text: rgba(234, 244, 244, 0.8);
}

.page-faq .crumbs {
  padding-top: clamp(16px, 3vw, 26px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(24px, 4vw, 44px) 0 clamp(30px, 5vw, 54px);
  max-width: 900px;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(34px, 6.2vw, 74px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--ice);
  margin: 14px 0 0;
  max-width: 16ch;
}

.page-faq .faq-hero__lede {
  margin: 20px 0 0;
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.78;
  color: var(--faq-body-text);
  max-width: 58ch;
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 30px;
  margin: 30px 0 0;
  padding: 0;
}

.page-faq .faq-hero__meta > div {
  border-left: 2px solid var(--turf);
  padding-left: 12px;
  min-width: 104px;
}

.page-faq .faq-hero__meta dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mist);
  margin-bottom: 4px;
}

.page-faq .faq-hero__meta dd {
  margin: 0;
  font-size: 14px;
  color: var(--ice);
}

.page-faq .faq-hero__meta dd span {
  font-family: var(--font-mono);
  font-size: 19px;
  font-variant-numeric: tabular-nums;
  color: var(--turf);
  margin-right: 3px;
}

/* ---------- 问题分类 ---------- */
.page-faq .faq-topics {
  padding: clamp(26px, 4vw, 40px) 0 clamp(30px, 5vw, 48px);
  background:
    radial-gradient(120% 90% at 8% 0%, rgba(18, 63, 90, 0.75) 0%, rgba(7, 26, 43, 0) 62%),
    var(--deep);
  border-top: 1px solid var(--faq-line);
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-topics__head {
  max-width: 640px;
}

.page-faq .faq-topics__title {
  font-family: var(--font-head);
  font-size: clamp(22px, 3.2vw, 30px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--ice);
  margin: 10px 0 10px;
}

.page-faq .faq-topics__lede {
  margin: 0;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.7;
}

.page-faq .faq-chips {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px;
}

.page-faq .faq-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 54px;
  padding: 12px 15px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-md);
  background: linear-gradient(158deg, rgba(18, 63, 90, 0.75), rgba(7, 26, 43, 0.55));
  color: var(--ice);
  font-size: 14.5px;
  font-weight: 600;
  text-decoration: none;
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.page-faq .faq-chip__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--turf);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  border-color: rgba(31, 209, 122, 0.55);
  background: linear-gradient(158deg, rgba(20, 164, 92, 0.22), rgba(7, 26, 43, 0.6));
  transform: translateY(-2px);
}

.page-faq .faq-chip:focus-visible {
  outline: 2px solid var(--turf);
  outline-offset: 2px;
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  padding-top: clamp(26px, 4vw, 48px);
  padding-bottom: clamp(40px, 6vw, 76px);
}

.page-faq .faq-rail {
  margin-bottom: 10px;
}

.page-faq .faq-rail .toc {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 2px 0 12px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-rail .toc__title {
  display: none;
}

.page-faq .faq-rail .toc__link {
  flex: 0 0 auto;
  white-space: nowrap;
  font-size: 13px;
}

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

/* ---------- 问答区块 ---------- */
.page-faq .faq-block {
  padding: clamp(26px, 4vw, 42px) 0;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-block:first-child {
  border-top: 0;
  padding-top: 8px;
}

.page-faq .faq-block h2 {
  font-family: var(--font-head);
  font-size: clamp(23px, 3.4vw, 33px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--ice);
  margin: 8px 0 12px;
}

.page-faq .faq-block__lede {
  margin: 0 0 22px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--faq-body-text);
  max-width: 62ch;
}

/* 步骤 */
.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

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

.page-faq .faq-step__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--turf);
}

.page-faq .faq-step__num {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(46px, 7vw, 62px);
  font-weight: 300;
  line-height: 0.92;
  letter-spacing: 0.01em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(200, 230, 216, 0.48);
  margin: 6px 0 10px;
}

.page-faq .faq-step h3 {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--ice);
  margin: 0 0 8px;
}

.page-faq .faq-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--faq-body-text);
}

/* 图片 */
.page-faq .faq-figure {
  margin: 28px 0 0;
}

.page-faq .media__frame {
  aspect-ratio: 3 / 2;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--faq-line);
  background: var(--layer);
}

.page-faq .media__img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-faq .media__cap {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* 问答手风琴 */
.page-faq .qa {
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-md);
  background: linear-gradient(160deg, rgba(18, 63, 90, 0.6), rgba(7, 26, 43, 0.5));
  margin-bottom: 10px;
  transition: border-color 0.2s ease;
}

.page-faq .qa[open] {
  border-color: rgba(31, 209, 122, 0.42);
}

.page-faq .qa__q {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 52px;
  padding: 15px 52px 15px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ice);
}

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

.page-faq .qa__q::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--turf);
}

.page-faq .qa[open] .qa__q::after {
  content: "\2212";
}

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--turf);
  outline-offset: -2px;
  border-radius: var(--radius-md);
}

.page-faq .qa__a {
  padding: 0 18px 18px;
}

.page-faq .qa__a p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--faq-body-text);
}

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

/* ---------- 联系支持 ---------- */
.page-faq .faq-block--contact {
  border-top: 2px solid rgba(31, 209, 122, 0.4);
}

.page-faq .faq-contact {
  display: grid;
  gap: 24px;
  padding: clamp(20px, 3.4vw, 34px);
  border: 1px solid rgba(31, 209, 122, 0.32);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(100% 120% at 100% 0%, rgba(31, 209, 122, 0.16) 0%, rgba(7, 26, 43, 0) 60%),
    linear-gradient(160deg, rgba(18, 63, 90, 0.85), rgba(7, 26, 43, 0.75));
}

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

.page-faq .faq-contact__label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-contact__mail {
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.4vw, 23px);
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--turf);
  word-break: break-all;
  line-height: 1.4;
}

.page-faq .faq-contact__phone {
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: clamp(20px, 3vw, 30px);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
  color: var(--yellow);
  line-height: 1.3;
}

.page-faq .faq-contact__note {
  margin: 0 0 22px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--faq-body-text);
  max-width: 46ch;
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-contact__media {
  margin: 0;
}

.page-faq .faq-contact__media .media__frame {
  aspect-ratio: 3 / 2;
}

@media (min-width: 720px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body {
    display: grid;
    grid-template-columns: 176px minmax(0, 1fr);
    gap: clamp(32px, 5vw, 64px);
    align-items: start;
  }

  .page-faq .faq-rail {
    margin-bottom: 0;
  }

  .page-faq .faq-rail .toc {
    display: block;
    overflow: visible;
    border-bottom: 0;
    padding: 0;
    position: sticky;
    top: calc(var(--header-h) + 22px);
  }

  .page-faq .faq-rail .toc__title {
    display: block;
    margin: 0 0 12px;
  }

  .page-faq .faq-rail .toc__link {
    display: block;
    white-space: normal;
    margin-bottom: 2px;
  }

  .page-faq .faq-block:first-child {
    padding-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-chip {
    transition: none;
  }

  .page-faq .faq-chip:hover {
    transform: none;
  }
}
<<<END>>>