.page-faq {
  --faq-gap: clamp(20px, 3vw, 36px);
  --faq-block-gap: clamp(40px, 6vw, 72px);
  --faq-anchor-top: 104px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(22px, 4vw, 40px) 0 clamp(20px, 3vw, 32px);
  max-width: 900px;
}

.page-faq .faq-hero .eyebrow {
  margin: 0 0 14px;
}

.page-faq .faq-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 5.2vw, 52px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-hero h1::after {
  content: "";
  display: block;
  width: 76px;
  height: 3px;
  margin-top: 20px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--orange), rgba(255, 107, 44, 0));
}

.page-faq .faq-hero .lede {
  color: var(--text-soft);
  max-width: 62ch;
}

.page-faq .faq-meta {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  color: var(--grey);
  font-size: 13px;
}

.page-faq .faq-meta li {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
}

.page-faq .faq-meta .mono {
  font-size: 15px;
  color: var(--cyan);
}

/* ---------- 结构图 ---------- */
.page-faq .faq-overview {
  margin: 12px 0 clamp(28px, 4vw, 44px);
  padding: 0;
}

.page-faq .faq-overview img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-faq .faq-overview figcaption {
  margin-top: 12px;
  color: var(--grey);
  font-size: 13px;
  line-height: 1.7;
}

/* ---------- 双栏骨架 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq .faq-flow {
  display: grid;
  gap: var(--faq-block-gap);
  min-width: 0;
}

/* ---------- 左侧锚点导航 ---------- */
.page-faq .faq-anchor {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--glass-soft);
  backdrop-filter: blur(10px);
  min-width: 0;
}

.page-faq .faq-anchor-title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--grey);
  text-transform: uppercase;
}

.page-faq .faq-anchor-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
}

.page-faq .faq-anchor-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border-left: 2px solid transparent;
  color: var(--text-soft);
  font-size: 14px;
  text-decoration: none;
  transition: background 240ms var(--ease), color 240ms var(--ease), border-color 240ms var(--ease);
}

.page-faq .faq-anchor-link:hover,
.page-faq .faq-anchor-link:focus-visible {
  background: var(--cyan-soft);
  border-left-color: var(--cyan);
  color: var(--paper);
  outline: none;
}

.page-faq .faq-anchor-link:focus-visible {
  box-shadow: 0 0 0 2px rgba(61, 224, 208, 0.55);
}

.page-faq .faq-anchor-num {
  font-size: 11px;
  color: var(--orange);
}

/* ---------- 章节 ---------- */
.page-faq .faq-chapter {
  scroll-margin-top: var(--faq-anchor-top);
  min-width: 0;
}

.page-faq .faq-chapter-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px 14px;
  align-items: baseline;
  padding-bottom: 16px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-chapter-index {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-faq .faq-chapter-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3.2vw, 30px);
  line-height: 1.22;
  color: var(--paper);
}

.page-faq .faq-chapter-lede {
  grid-column: 2 / -1;
  margin: 0;
  color: var(--text-soft);
}

.page-faq .faq-sub-title {
  margin: 0 0 14px;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .faq-sub-title + .faq-mode-list {
  margin-bottom: 30px;
}

/* ---------- 步骤卡片 ---------- */
.page-faq .faq-steps {
  --step-pad: 22px;
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-step {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 20px var(--step-pad);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--panel);
  min-width: 0;
}

.page-faq .faq-step::after {
  content: "";
  position: absolute;
  left: calc(var(--step-pad) + 16px);
  top: 100%;
  width: 1px;
  height: 14px;
  background: linear-gradient(180deg, rgba(61, 224, 208, 0.6), rgba(61, 224, 208, 0));
}

.page-faq .faq-step:last-child::after {
  display: none;
}

.page-faq .faq-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid rgba(255, 107, 44, 0.45);
  background: var(--orange-soft);
  color: var(--orange);
  font-size: 12px;
}

.page-faq .faq-step-body {
  min-width: 0;
}

.page-faq .faq-step-title {
  margin: 4px 0 8px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-faq .faq-step-body p {
  margin: 0;
  color: var(--text-soft);
}

/* ---------- 模式选择 ---------- */
.page-faq .faq-mode-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-mode {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-left: 2px solid rgba(61, 224, 208, 0.6);
  border-radius: var(--radius-sm);
  background: var(--glass-soft);
}

.page-faq .faq-mode-key {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .faq-mode-desc {
  margin: 0;
  color: var(--text-soft);
  font-size: 15px;
}

/* ---------- 快捷分档 ---------- */
.page-faq .faq-mini-steps {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-mini-steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px dashed var(--line);
}

.page-faq .faq-mini-steps li:last-child {
  border-bottom: none;
}

.page-faq .faq-mini-num {
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  background: var(--cyan-soft);
  color: var(--cyan);
  font-size: 12px;
}

.page-faq .faq-mini-steps p {
  margin: 0;
  color: var(--text-soft);
}

.page-faq .faq-note {
  margin: 0 0 18px;
  padding-left: 14px;
  border-left: 2px solid var(--line-strong);
  color: var(--grey);
  font-size: 14px;
  line-height: 1.75;
}

.page-faq .faq-aside-link {
  margin: 0;
  color: var(--grey);
  font-size: 14px;
}

.page-faq .faq-aside-link a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 224, 208, 0.4);
}

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

/* ---------- 排障清单 ---------- */
.page-faq .faq-checklist {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-faq .faq-check {
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  border-radius: var(--radius-md);
  background: var(--panel);
}

.page-faq .faq-check h3 {
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .faq-check p {
  margin: 0 0 8px;
  font-size: 15px;
}

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

.page-faq .faq-check-signal {
  color: var(--grey);
}

.page-faq .faq-check-next {
  color: var(--text-soft);
}

.page-faq .faq-flow-figure {
  margin: 0;
  padding: 0;
}

.page-faq .faq-flow-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-faq .faq-flow-figure figcaption {
  margin-top: 12px;
  color: var(--grey);
  font-size: 13px;
  line-height: 1.7;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-qa-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-qa {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--glass-soft);
  overflow: hidden;
  transition: border-color 240ms var(--ease), background 240ms var(--ease);
}

.page-faq .faq-qa[open] {
  border-color: var(--line-strong);
  background: var(--panel);
}

.page-faq .faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  cursor: pointer;
  list-style: none;
  color: var(--paper);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
}

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

.page-faq .faq-q:focus-visible {
  outline: 2px solid rgba(61, 224, 208, 0.7);
  outline-offset: -2px;
}

.page-faq .faq-q-text {
  min-width: 0;
  flex: 1 1 auto;
}

.page-faq .faq-q-tail {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: none;
}

.page-faq .faq-state {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  white-space: nowrap;
  border: 1px solid transparent;
}

.page-faq .faq-state--self {
  color: var(--cyan);
  background: var(--cyan-soft);
  border-color: rgba(61, 224, 208, 0.35);
}

.page-faq .faq-state--ask {
  color: var(--amber);
  background: rgba(255, 184, 77, 0.12);
  border-color: rgba(255, 184, 77, 0.35);
}

.page-faq .faq-q-icon {
  position: relative;
  width: 14px;
  height: 14px;
  flex: none;
}

.page-faq .faq-q-icon::before,
.page-faq .faq-q-icon::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  background: var(--cyan);
  border-radius: 2px;
}

.page-faq .faq-q-icon::before {
  width: 14px;
  height: 2px;
}

.page-faq .faq-q-icon::after {
  width: 2px;
  height: 14px;
  transition: transform 260ms var(--ease), opacity 200ms var(--ease);
}

.page-faq .faq-qa[open] .faq-q-icon::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-a {
  padding: 0 20px 20px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.page-faq .faq-a p {
  margin: 0;
  color: var(--text-soft);
}

/* ---------- 联系方式 ---------- */
.page-faq .faq-reach {
  display: grid;
  gap: 2px;
  margin-bottom: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--panel);
}

.page-faq .faq-reach-row {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-reach-row:last-child {
  border-bottom: none;
}

.page-faq .faq-reach-label {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--grey);
}

.page-faq .faq-reach-value {
  color: var(--paper);
  font-size: 15px;
  word-break: break-word;
}

.page-faq .faq-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
}

/* ---------- 动效退化 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-anchor-link,
  .page-faq .faq-qa,
  .page-faq .faq-q-icon::after {
    transition: none;
  }
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-mode-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-faq .faq-checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 248px minmax(0, 1fr);
    gap: 52px;
  }

  .page-faq .faq-anchor {
    position: sticky;
    top: var(--faq-anchor-top);
  }

  .page-faq .faq-anchor-list {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ---------- 窄屏 ---------- */
@media (max-width: 560px) {
  .page-faq .faq-steps {
    --step-pad: 16px;
  }

  .page-faq .faq-hero h1 {
    font-size: clamp(26px, 8vw, 34px);
  }

  .page-faq .faq-anchor-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-faq .faq-q {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .page-faq .faq-q-tail {
    gap: 10px;
  }

  .page-faq .faq-reach-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .page-faq .faq-check,
  .page-faq .faq-mode {
    padding: 16px;
  }
}
<<<END>>>