.page-faq {
  --faq-paper-bg: #F3EBDD;
  --faq-paper-ink: #142B3F;
  --faq-index-w: 236px;
  position: relative;
  padding-bottom: clamp(56px, 8vw, 104px);
  background:
    radial-gradient(900px 480px at 88% -6%, rgba(99, 230, 226, 0.10), transparent 62%),
    radial-gradient(680px 420px at 4% 10%, rgba(255, 106, 43, 0.07), transparent 60%),
    linear-gradient(180deg, #061019 0%, #0B1B2B 24%, #0B1B2B 78%, #061019 100%);
}

/* ---------- 顶部 ---------- */
.page-faq .faq-top {
  padding-top: clamp(28px, 5vw, 56px);
  padding-bottom: clamp(26px, 4vw, 44px);
}

.page-faq .breadcrumb {
  margin-bottom: 22px;
}

.page-faq .faq-top h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 58px);
  line-height: 1.1;
  letter-spacing: -0.04em;
  color: var(--paper);
  margin: 14px 0 18px;
  max-width: 15em;
}

.page-faq .faq-top__lede {
  max-width: 60ch;
  color: rgba(243, 235, 221, 0.76);
  font-size: 16px;
  line-height: 1.8;
  margin: 0;
}

.page-faq .faq-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 26px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line-soft);
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--stone);
}

.page-faq .faq-meta li::before {
  content: "■";
  color: var(--cyan);
  margin-right: 8px;
  font-size: 8px;
  vertical-align: 2px;
}

/* ---------- 三步上手 ---------- */
.page-faq .faq-steps {
  padding-top: clamp(32px, 5vw, 56px);
  padding-bottom: clamp(32px, 5vw, 60px);
}

.page-faq .faq-steps .section__head {
  margin-bottom: 22px;
}

.page-faq .faq-steps h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4vw, 40px);
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--paper);
}

.page-faq .steps {
  position: relative;
  display: grid;
  gap: 12px;
}

.page-faq .steps__track {
  display: none;
}

.page-faq .step {
  padding: 20px 20px 24px;
  border-top: 2px solid var(--line);
  background: linear-gradient(180deg, rgba(20, 43, 63, 0.92) 0%, rgba(11, 27, 43, 0.62) 100%);
}

.page-faq .step:nth-of-type(1) { border-top-color: var(--cyan); }
.page-faq .step:nth-of-type(2) { border-top-color: var(--orange); }
.page-faq .step:nth-of-type(3) { border-top-color: var(--moss); }

.page-faq .step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: rgba(243, 235, 221, 0.16);
}

.page-faq .step h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--paper);
  margin: 14px 0 8px;
}

.page-faq .step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(243, 235, 221, 0.72);
}

.page-faq .faq-figure {
  margin: 20px 0 0;
  border: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.page-faq .faq-figure .media__caption {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--stone);
  border-top: 1px solid var(--line-soft);
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-shell {
  display: grid;
  gap: 10px;
  padding-top: clamp(20px, 3vw, 34px);
}

.page-faq .faq-index {
  border: 1px solid var(--line-soft);
  background: rgba(6, 16, 25, 0.6);
  padding: 16px 14px;
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--stone);
}

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

.page-faq .faq-index__link {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  color: rgba(243, 235, 221, 0.8);
  font-size: 13px;
  text-decoration: none;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(99, 230, 226, 0.07);
  outline: none;
}

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

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--orange);
  letter-spacing: 0.06em;
}

.page-faq .faq-index__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.9;
  color: var(--stone);
}

.page-faq .faq-index__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(99, 230, 226, 0.35);
}

.page-faq .faq-body {
  display: grid;
  gap: clamp(32px, 4.6vw, 52px);
  min-width: 0;
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  min-width: 0;
  padding-top: clamp(24px, 3.6vw, 36px);
  border-top: 1px solid var(--line-soft);
}

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

.page-faq .faq-group__head {
  display: grid;
  gap: 8px;
  margin-bottom: 6px;
}

.page-faq .faq-group__index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-faq .faq-group h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3.2vw, 30px);
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-group__lede {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(243, 235, 221, 0.66);
}

/* ---------- 标签图解纸卡 ---------- */
.page-faq .tagmap {
  padding: clamp(20px, 3.4vw, 34px);
  color: var(--faq-paper-ink);
  background: linear-gradient(168deg, #F3EBDD 0%, #EADFCC 100%);
  border: 1px solid rgba(36, 65, 84, 0.3);
  box-shadow: 0 22px 48px -34px rgba(0, 0, 0, 0.95);
}

.page-faq .tagmap__eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--clay);
}

.page-faq .tagmap h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3.6vw, 32px);
  line-height: 1.24;
  letter-spacing: -0.03em;
  color: #061019;
}

.page-faq .tagmap__text {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(20, 43, 63, 0.82);
}

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

.page-faq .tagmap__tags .tag {
  border-color: rgba(20, 43, 63, 0.28);
  background: rgba(255, 255, 255, 0.34);
  color: var(--faq-paper-ink);
  font-size: 12px;
}

.page-faq .tagmap__tags .tag--mark {
  border-color: var(--orange);
  color: var(--clay);
}

.page-faq .tagmap__figure {
  margin: 18px 0 0;
  border: 1px solid rgba(36, 65, 84, 0.22);
  overflow: hidden;
  background: rgba(6, 16, 25, 0.9);
}

.page-faq .tagmap__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .tagmap__figure .media__caption {
  padding: 9px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.03em;
  color: rgba(243, 235, 221, 0.7);
  border-top: 1px solid rgba(36, 65, 84, 0.6);
}

/* ---------- 问答手风琴 ---------- */
.page-faq .faq-list {
  margin-top: 18px;
  border-top: 1px solid var(--line-soft);
}

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

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 4px;
  cursor: pointer;
  list-style: none;
  transition: background 0.16s var(--ease);
}

.page-faq .faq-item > summary::-webkit-details-marker { display: none; }
.page-faq .faq-item > summary::marker { content: ""; }

.page-faq .faq-item > summary:hover {
  background: rgba(99, 230, 226, 0.05);
}

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .faq-item__index {
  flex: none;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-faq .faq-q {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.55;
  color: var(--paper);
}

.page-faq .faq-item__sign {
  flex: none;
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  margin-left: auto;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1;
  color: var(--cyan);
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-item[open] .faq-item__sign {
  transform: rotate(45deg);
  border-color: var(--orange);
  color: var(--orange);
}

.page-faq .faq-item__body {
  padding: 0 4px 20px 34px;
  font-size: 15px;
  line-height: 1.86;
  color: rgba(243, 235, 221, 0.78);
}

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

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

.page-faq .faq-item__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(99, 230, 226, 0.35);
}

.page-faq .faq-item__body a:hover,
.page-faq .faq-item__body a:focus-visible {
  border-bottom-color: var(--cyan);
  outline: none;
}

/* ---------- 联系支持面板 ---------- */
.page-faq .faq-support {
  display: grid;
  gap: 18px;
  margin-top: 18px;
  padding: clamp(18px, 3vw, 28px);
  border-left: 2px solid var(--moss);
}

.page-faq .faq-support__label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-faq .faq-support__value {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
  overflow-wrap: anywhere;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-support {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-faq .faq-support__value {
    font-size: 14px;
  }
}

@media (min-width: 820px) {
  .page-faq .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    padding-top: 24px;
  }

  .page-faq .steps__track {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 14px;
  }

  .page-faq .step {
    border-top: 2px solid var(--line);
    border-right: 1px solid var(--line-soft);
  }

  .page-faq .step:nth-of-type(3) {
    border-right: 0;
  }

  .page-faq .faq-item > summary {
    padding: 18px 6px;
  }

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

@media (min-width: 1024px) {
  .page-faq .faq-shell {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--topbar-h) + 20px);
    padding: 20px 16px;
    backdrop-filter: blur(6px);
  }

  .page-faq .faq-index__list {
    display: block;
  }

  .page-faq .faq-index__item + .faq-index__item {
    margin-top: 2px;
  }

  .page-faq .faq-index__link {
    width: 100%;
    min-height: 0;
    padding: 9px 10px;
    border: 0;
    border-left: 2px solid transparent;
    font-size: 14px;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    border-left-color: var(--cyan);
    background: rgba(99, 230, 226, 0.06);
  }

  .page-faq .faq-body {
    gap: 56px;
  }
}

@media (max-width: 560px) {
  .page-faq .faq-item__body {
    padding-left: 4px;
  }

  .page-faq .faq-meta {
    gap: 8px 16px;
    font-size: 11px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__sign,
  .page-faq .faq-item > summary,
  .page-faq .faq-index__link {
    transition: none;
  }
}
<<<END>>>