.page-faq {
  --faq-rail-w: 226px;
  --faq-gap: clamp(20px, 3vw, 32px);
  --faq-sec-gap: clamp(34px, 5vw, 64px);
  color: var(--bone);
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(26px, 4vw, 46px) 0 clamp(28px, 4vw, 48px);
  background:
    radial-gradient(120% 130% at 88% -15%, rgba(60, 242, 180, 0.14), transparent 62%),
    linear-gradient(180deg, var(--ink-2), var(--ink));
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero-in {
  display: grid;
  gap: 14px;
}

.page-faq .faq-hero .mono-label {
  color: var(--mint);
  margin: 0;
}

.page-faq h1 {
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(2.05rem, 6vw, 3.9rem);
  line-height: 1.02;
  letter-spacing: -0.015em;
  margin: 0;
  max-width: 16ch;
  color: var(--bone);
}

.page-faq .faq-lede {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(0.97rem, 1.5vw, 1.07rem);
  line-height: 1.85;
  color: var(--sage);
}

.page-faq .faq-meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 4px 0 0;
  padding: 0;
}

/* ---------- 双栏骨架 ---------- */
.page-faq .faq-layout {
  padding-top: clamp(28px, 4vw, 48px);
  padding-bottom: clamp(46px, 7vw, 92px);
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-rail {
  align-self: start;
}

.page-faq .faq-rail .mono-label {
  margin: 0;
  color: var(--sage);
}

.page-faq .rail-list {
  list-style: none;
  margin: 14px 0 18px;
  padding: 0;
  border-left: 1px solid var(--line);
  display: grid;
  gap: 0;
}

.page-faq .rail-list a {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  padding: 9px 10px 9px 12px;
  margin-left: -1px;
  border-left: 2px solid transparent;
  color: var(--sage);
  text-decoration: none;
  font-size: 0.92rem;
  line-height: 1.45;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .rail-list a:hover,
.page-faq .rail-list a:focus-visible {
  color: var(--bone);
  border-left-color: var(--neon);
  background: rgba(60, 242, 180, 0.07);
}

.page-faq .rail-num {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--mint);
}

.page-faq .rail-note {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--sage);
}

@media (min-width: 940px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: clamp(30px, 4vw, 58px);
    align-items: start;
  }

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

/* ---------- 章节 ---------- */
.page-faq .faq-sec {
  scroll-margin-top: calc(var(--nav-h) + 24px);
}

.page-faq .faq-sec + .faq-sec {
  margin-top: var(--faq-sec-gap);
}

.page-faq .sec-head {
  display: grid;
  gap: 6px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 16px;
}

.page-faq .sec-idx {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq h2 {
  font-family: var(--display);
  font-size: clamp(1.5rem, 3.4vw, 2.15rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--bone);
}

.page-faq .sec-intro {
  margin: 0 0 18px;
  max-width: 64ch;
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--sage);
}

.page-faq .split-copy .sec-intro:last-child {
  margin-bottom: 0;
}

/* ---------- 图片容器 ---------- */
.page-faq .media-frame {
  margin: 0 0 20px;
  border: 1px solid var(--line);
  background: var(--ink-2);
  overflow: hidden;
}

.page-faq .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 三步路径卡片 ---------- */
.page-faq .step-track {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .step-card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--line);
  border-top: 2px solid var(--neon);
  padding: 18px 16px 16px;
}

.page-faq .step-num {
  display: block;
  font-family: var(--display);
  font-weight: 900;
  font-size: 2rem;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--neon);
  margin-bottom: 8px;
}

.page-faq .step-card h3 {
  margin: 0 0 6px;
  font-family: var(--body);
  font-size: 1rem;
  font-weight: 700;
  color: var(--bone);
}

.page-faq .step-card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--sage);
}

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

/* ---------- 图文并排 ---------- */
.page-faq .split {
  display: grid;
  gap: 16px;
  margin-bottom: 20px;
}

@media (min-width: 760px) {
  .page-faq .split {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: 24px;
    align-items: center;
  }

  .page-faq .split .media-frame {
    margin-bottom: 0;
  }
}

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

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

.page-faq .qa summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 4px 15px 2px;
  font-weight: 700;
  font-size: 0.98rem;
  line-height: 1.55;
  color: var(--bone);
  transition: color 0.2s var(--ease);
}

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

.page-faq .qa summary::after {
  content: "+";
  flex: none;
  font-family: var(--mono);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--neon);
}

.page-faq .qa[open] summary::after {
  content: "\2013";
}

.page-faq .qa summary:hover,
.page-faq .qa summary:focus-visible {
  color: var(--mint);
}

.page-faq .qa-body {
  padding: 0 4px 18px 2px;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--sage);
}

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

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

/* ---------- 标记图例 ---------- */
.page-faq .legend {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .legend li {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: baseline;
  padding: 13px 15px;
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 2px solid var(--mint);
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--sage);
}

.page-faq .legend .tag {
  flex: none;
}

/* ---------- 联系卡片 ---------- */
.page-faq .contact-card {
  margin-top: 20px;
  padding: 20px 18px;
  background: linear-gradient(135deg, rgba(60, 242, 180, 0.1), rgba(16, 53, 42, 0.92) 62%);
  border: 1px solid var(--line);
  border-left: 3px solid var(--neon);
}

.page-faq .contact-lead {
  margin: 0 0 14px;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--mint);
}

.page-faq .contact-list {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .contact-list li {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  font-size: 0.92rem;
  line-height: 1.65;
}

.page-faq .contact-k {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--sage);
}

.page-faq .contact-v {
  color: var(--bone);
  overflow-wrap: anywhere;
}

.page-faq .contact-note {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--sage);
}

/* ---------- 底部引导 ---------- */
.page-faq .faq-cta {
  margin-top: clamp(34px, 5vw, 58px);
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--line);
  background: var(--ink-2);
  display: grid;
  gap: 14px;
}

.page-faq .faq-cta p {
  margin: 0;
  max-width: 56ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--sage);
}

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

@media (min-width: 760px) {
  .page-faq .faq-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .rail-list a,
  .page-faq .qa summary {
    transition: none;
  }
}
<<<END>>>