.page-faq {
  background: var(--sand);
  color: var(--ink);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-faq .crumbs {
  padding-top: clamp(16px, 3vw, 26px);
}
.page-faq .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.page-faq .crumbs li + li::before {
  content: "/";
  margin-right: 10px;
  color: var(--clay);
}
.page-faq .crumbs a {
  color: var(--deep);
  text-decoration: none;
  border-bottom: 2px solid var(--clay);
}
.page-faq .crumbs a:hover {
  color: var(--red);
  border-bottom-color: var(--red);
}
.page-faq .crumbs li[aria-current] {
  color: var(--red);
  font-weight: 700;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  margin-top: clamp(16px, 3vw, 28px);
  background: var(--deep);
  color: var(--cream);
  border-top: var(--bd);
  border-bottom: var(--bd);
  overflow: hidden;
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -34%;
  right: -14%;
  width: 64%;
  height: 172%;
  background: var(--sand);
  opacity: 0.1;
  transform: rotate(10deg);
  pointer-events: none;
}
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: min(46%, 420px);
  height: 8px;
  background: var(--red);
}
.page-faq .faq-hero-inner {
  position: relative;
  z-index: 2;
  padding: clamp(40px, 7vw, 88px) 0 clamp(44px, 8vw, 96px);
}
.page-faq .faq-eyebrow {
  margin: 0 0 clamp(16px, 2.6vw, 24px);
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.page-faq .faq-h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 8.4vw, 96px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--cream);
  max-width: 18ch;
}
.page-faq .faq-lede {
  margin: clamp(20px, 3.4vw, 34px) 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.9vw, 18px);
  line-height: 1.8;
  color: rgba(247, 241, 227, 0.86);
}

.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  margin: clamp(28px, 5vw, 48px) 0 0;
  padding: 0;
  list-style: none;
  background: rgba(247, 241, 227, 0.3);
  border: 2px solid rgba(247, 241, 227, 0.3);
}
.page-faq .faq-stats li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: clamp(14px, 2.4vw, 20px);
  background: var(--deep);
}
.page-faq .stat-num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 3.6vw, 32px);
  font-weight: 700;
  line-height: 1;
  color: var(--sand);
  letter-spacing: -0.02em;
}
.page-faq .stat-label {
  font-size: 13px;
  line-height: 1.5;
  color: rgba(247, 241, 227, 0.7);
}

/* ---------- 索引 ---------- */
.page-faq .faq-index {
  margin-top: clamp(34px, 6vw, 68px);
}
.page-faq .faq-index-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--deep);
}
.page-faq .faq-index-list {
  display: grid;
  grid-template-columns: 1fr;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--bd);
}
.page-faq .faq-index-list li {
  border-bottom: 2px solid var(--ink);
}
.page-faq .faq-index-list a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 14px 6px;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(15px, 2.2vw, 17px);
  line-height: 1.5;
  transition: background 0.18s ease, color 0.18s ease, padding-left 0.18s ease;
}
.page-faq .faq-index-list a:hover,
.page-faq .faq-index-list a:focus-visible {
  background: var(--deep);
  color: var(--sand);
  padding-left: 16px;
}
.page-faq .idx {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--red);
}
.page-faq .faq-index-list a:hover .idx,
.page-faq .faq-index-list a:focus-visible .idx {
  color: var(--amber);
}

/* ---------- 章节 ---------- */
.page-faq .faq-block {
  padding-top: clamp(46px, 8vw, 96px);
  scroll-margin-top: 120px;
}
.page-faq .faq-block-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(14px, 3vw, 30px);
  align-items: start;
  padding-bottom: clamp(16px, 2.6vw, 26px);
  border-bottom: var(--bd);
  margin-bottom: clamp(20px, 3vw, 32px);
}
.page-faq .faq-num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 5.6vw, 54px);
  font-weight: 700;
  line-height: 0.92;
  letter-spacing: -0.05em;
  color: var(--red);
}
.page-faq .faq-block-head h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 4vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--deep);
}
.page-faq .faq-block-head p {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(14.5px, 1.7vw, 16.5px);
  line-height: 1.8;
  color: #55402f;
}

/* ---------- 手风琴 ---------- */
.page-faq .acc-item {
  background: var(--cream);
  border: var(--bd);
  box-shadow: var(--shadow-hard);
  margin-bottom: 20px;
}
.page-faq .acc-item:last-child {
  margin-bottom: 0;
}
.page-faq .acc-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 16px clamp(15px, 2.8vw, 26px);
  background: transparent;
  border: 0;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(15px, 2.1vw, 18.5px);
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--ink);
  transition: background 0.18s ease, color 0.18s ease;
}
.page-faq .acc-trigger:hover,
.page-faq .acc-trigger:focus-visible {
  background: rgba(31, 111, 235, 0.08);
}
.page-faq .acc-trigger::after {
  content: "";
  flex: 0 0 auto;
  width: 13px;
  height: 13px;
  margin-top: -6px;
  border-right: 3px solid var(--red);
  border-bottom: 3px solid var(--red);
  transform: rotate(45deg);
  transition: transform 0.22s ease, margin-top 0.22s ease, border-color 0.18s ease;
}
.page-faq .acc-trigger[aria-expanded="true"] {
  background: var(--deep);
  color: var(--cream);
}
.page-faq .acc-trigger[aria-expanded="true"]::after {
  border-right-color: var(--amber);
  border-bottom-color: var(--amber);
  transform: rotate(225deg);
  margin-top: 5px;
}
.page-faq .acc-panel {
  padding: clamp(16px, 2.6vw, 24px) clamp(15px, 2.8vw, 26px) clamp(20px, 3vw, 28px);
  border-top: 2px solid var(--mist);
  font-size: clamp(14.5px, 1.7vw, 16.5px);
  line-height: 1.85;
  color: #3f3025;
}
.page-faq .acc-panel[hidden] {
  display: none;
}
.page-faq .acc-panel > :first-child {
  margin-top: 0;
}
.page-faq .acc-panel > :last-child {
  margin-bottom: 0;
}
.page-faq .acc-panel p {
  margin: 0 0 12px;
  max-width: 70ch;
}
.page-faq .faq-link {
  color: var(--blue);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-faq .faq-mono {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--deep);
  word-break: break-all;
}

/* ---------- 编号步骤 ---------- */
.page-faq .faq-steps {
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: faqstep;
  display: grid;
  gap: 12px;
}
.page-faq .faq-steps li {
  position: relative;
  padding-left: 52px;
  min-height: 36px;
  display: flex;
  align-items: center;
  font-weight: 600;
  line-height: 1.7;
}
.page-faq .faq-steps li::before {
  counter-increment: faqstep;
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  background: var(--deep);
  border: 2px solid var(--ink);
  color: var(--sand);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}

/* ---------- 图文分栏 ---------- */
.page-faq .faq-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 4vw, 36px);
  align-items: start;
}
.page-faq .faq-media {
  margin: 0;
  background: var(--cream);
  border: var(--bd);
  box-shadow: var(--shadow-soft);
}
.page-faq .faq-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}
.page-faq .faq-media figcaption {
  padding: 12px 16px;
  border-top: 2px solid var(--ink);
  background: var(--sand);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--deep);
}

/* ---------- 版本对照切换 ---------- */
.page-faq .faq-tabs {
  margin-top: 6px;
}
.page-faq .tab-list {
  display: flex;
  flex-wrap: wrap;
  border: var(--bd);
  background: var(--cream);
  box-shadow: var(--shadow-hard);
}
.page-faq .tab {
  flex: 1 1 auto;
  min-width: 128px;
  padding: 13px 16px;
  background: transparent;
  border: 0;
  border-right: 2px solid var(--ink);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--deep);
  transition: background 0.18s ease, color 0.18s ease;
}
.page-faq .tab:last-child {
  border-right: 0;
}
.page-faq .tab:hover,
.page-faq .tab:focus-visible {
  background: rgba(31, 111, 235, 0.1);
}
.page-faq .tab[aria-selected="true"] {
  background: var(--deep);
  color: var(--sand);
}
.page-faq .tab-panel {
  margin-top: 16px;
  padding: clamp(16px, 2.6vw, 22px);
  background: var(--cream);
  border: 2px dashed var(--clay);
}
.page-faq .tab-panel p {
  margin: 0;
  max-width: 62ch;
  line-height: 1.85;
  font-size: clamp(14.5px, 1.7vw, 16px);
  color: #3f3025;
}

/* ---------- 页尾延伸 ---------- */
.page-faq .faq-next {
  margin-top: clamp(52px, 9vw, 104px);
  background: var(--deep);
  border-top: var(--bd);
  color: var(--cream);
}
.page-faq .faq-next-inner {
  padding: clamp(38px, 6vw, 68px) 0 clamp(44px, 7vw, 80px);
}
.page-faq .faq-next-title {
  margin: 0 0 clamp(18px, 3vw, 28px);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px, 3.4vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--cream);
  max-width: 24ch;
}
.page-faq .faq-next-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-faq .faq-next-links a {
  display: inline-flex;
  align-items: center;
  padding: 12px 20px;
  background: transparent;
  border: 2px solid var(--sand);
  color: var(--sand);
  text-decoration: none;
  font-weight: 700;
  font-size: 14.5px;
  line-height: 1.4;
  transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
}
.page-faq .faq-next-links a:hover,
.page-faq .faq-next-links a:focus-visible {
  background: var(--red);
  border-color: var(--red);
  color: var(--cream);
  transform: translateY(-2px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-faq .faq-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-faq .faq-index-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-index-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }
  .page-faq .faq-split--reverse {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }
  .page-faq .faq-split .faq-media {
    position: sticky;
    top: 120px;
  }
  .page-faq .acc-item {
    box-shadow: var(--shadow-hard);
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-block-head {
    grid-template-columns: 120px minmax(0, 1fr);
  }
}
<<<END>>>