.page-faq {
  --faq-line: 1px solid var(--silver);
  --faq-hair: rgba(246, 247, 244, 0.28);
  background: var(--paper);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(122deg, var(--green-deep) 0%, var(--green) 58%, var(--green-deep) 100%);
  color: var(--paper);
  border-top: 3px solid var(--orange);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(246, 247, 244, 0.07) 0 1px, transparent 1px 92px),
    repeating-linear-gradient(0deg, rgba(246, 247, 244, 0.07) 0 1px, transparent 1px 92px);
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 28px;
  padding-block: clamp(26px, 4.4vw, 54px) clamp(30px, 4.8vw, 62px);
}

.page-faq .faq-hero__label {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--green-soft);
}

.page-faq .faq-hero h1 {
  margin: 0 0 18px;
  max-width: 17em;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.7rem, 5vw, 3.05rem);
  line-height: 1.16;
  letter-spacing: -0.022em;
}

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 42em;
  font-size: clamp(0.95rem, 1.15vw, 1.05rem);
  line-height: 1.85;
  color: rgba(246, 247, 244, 0.88);
}

.page-faq .faq-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 20px;
  margin: 30px 0 0;
  padding: 22px 0 0;
  list-style: none;
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-fact {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.page-faq .faq-fact__num {
  font-family: var(--font-mono);
  font-size: clamp(1.05rem, 1.7vw, 1.42rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--orange);
}

.page-faq .faq-fact__label {
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: rgba(246, 247, 244, 0.78);
}

.page-faq .faq-hero__media {
  position: relative;
  margin: 0;
}

.page-faq .faq-hero__media::after {
  content: "";
  position: absolute;
  right: -6px;
  bottom: -6px;
  width: 68px;
  height: 68px;
  border-right: 2px solid var(--orange);
  border-bottom: 2px solid var(--orange);
  pointer-events: none;
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 9 / 4;
  object-fit: cover;
  border: 1px solid rgba(246, 247, 244, 0.3);
}

@media (min-width: 960px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: end;
    gap: clamp(32px, 4vw, 60px);
  }
}

@media (min-width: 640px) {
  .page-faq .faq-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 筛选条 ---------- */
.page-faq .faq-tools {
  background: var(--paper);
  border-bottom: var(--faq-line);
}

.page-faq .filter-bar.faq-tools__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  padding-block: 16px;
}

.page-faq .faq-tools__count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--green);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: 34px;
  padding-block: clamp(30px, 4vw, 52px) clamp(42px, 6vw, 88px);
}

@media (min-width: 1000px) {
  .page-faq .faq-body {
    grid-template-columns: 244px minmax(0, 1fr);
    gap: clamp(36px, 5vw, 72px);
    align-items: start;
  }
}

/* ---------- 左侧分类索引 ---------- */
.page-faq .faq-index__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  border-top: var(--faq-line);
}

.page-faq .faq-index__list li {
  border-bottom: var(--faq-line);
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 10px 12px 12px;
  border-left: 3px solid transparent;
  color: var(--ink);
  font-size: 0.92rem;
  text-decoration: none;
  transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--green);
  border-left-color: var(--green);
  background: var(--green-soft);
}

.page-faq .faq-index__no {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--green);
}

@media (min-width: 1000px) {
  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--frame-h) + 24px);
  }
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: calc(var(--frame-h) + 26px);
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(44px, 6vw, 78px);
}

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--green);
}

.page-faq .faq-group__no {
  padding: 4px 8px;
  background: var(--green);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.2rem, 2.1vw, 1.6rem);
  letter-spacing: -0.015em;
}

.page-faq .faq-group__hint {
  margin: 0 0 0 auto;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: var(--green-deep);
  opacity: 0.72;
}

/* ---------- 问答条目 ---------- */
.page-faq .qa {
  position: relative;
  padding: 22px 0 22px 22px;
  border-bottom: var(--faq-line);
}

.page-faq .qa::before {
  content: "";
  position: absolute;
  left: 0;
  top: 31px;
  width: 12px;
  height: 2px;
  background: var(--green);
}

.page-faq .qa__idx {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--green);
}

.page-faq .qa__q {
  margin: 0 0 10px;
  font-size: clamp(1rem, 1.3vw, 1.08rem);
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: -0.005em;
}

.page-faq .qa__a p {
  margin: 0 0 10px;
  max-width: 40em;
  font-size: 0.95rem;
  line-height: 1.78;
}

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

/* ---------- 差异对照表 ---------- */
.page-faq .diff-wrap {
  margin: 24px 0 8px;
  overflow-x: auto;
}

.page-faq .diff-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 0.89rem;
}

.page-faq .diff-table caption {
  padding-bottom: 10px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--green);
}

.page-faq .diff-table th {
  padding: 11px 12px;
  background: var(--green);
  color: var(--paper);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-align: left;
  white-space: nowrap;
}

.page-faq .diff-table td {
  padding: 12px;
  border-bottom: var(--faq-line);
  vertical-align: top;
  line-height: 1.65;
}

.page-faq .diff-table td:first-child {
  font-weight: 700;
  white-space: nowrap;
}

.page-faq .diff-table tbody tr {
  transition: background var(--t-fast);
}

.page-faq .diff-table tbody tr:hover {
  background: var(--green-soft);
}

/* ---------- 章节配图 ---------- */
.page-faq .qa-figure {
  margin: 26px 0 4px;
}

.page-faq .qa-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--silver);
}

.page-faq .qa-figure .media__cap {
  margin-top: 10px;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--green-deep);
  opacity: 0.78;
}

/* ---------- 步骤块 ---------- */
.page-faq .qa-steps {
  padding: 22px 0;
  border-bottom: var(--faq-line);
}

.page-faq .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border: var(--faq-line);
}

.page-faq .step + .step {
  border-top: var(--faq-line);
}

.page-faq .step details {
  border-left: 3px solid var(--green);
}

.page-faq .step summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  transition: background var(--t-fast);
}

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

.page-faq .step summary:hover {
  background: var(--green-soft);
}

.page-faq .step details[open] summary {
  background: var(--green-soft);
}

.page-faq .step__no {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--green);
}

.page-faq .step__t {
  font-weight: 700;
  font-size: 0.96rem;
}

.page-faq .step details p {
  margin: 0;
  max-width: 40em;
  padding: 0 16px 16px 46px;
  font-size: 0.92rem;
  line-height: 1.76;
}

/* ---------- 反馈通道 ---------- */
.page-faq .faq-response {
  background: linear-gradient(105deg, var(--blue-deep) 0%, var(--blue) 100%);
  color: var(--paper);
  border-top: 2px solid var(--orange);
}

.page-faq .faq-response__inner {
  display: grid;
  gap: 26px;
  padding-block: clamp(30px, 4.6vw, 58px);
}

.page-faq .faq-response .section-label {
  color: var(--green-soft);
}

.page-faq .faq-response h2 {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.25rem, 2.3vw, 1.75rem);
  line-height: 1.35;
  letter-spacing: -0.018em;
}

.page-faq .faq-response__lead p {
  margin: 0;
  max-width: 40em;
  font-size: 0.95rem;
  line-height: 1.8;
  color: rgba(246, 247, 244, 0.86);
}

.page-faq .faq-response__meta {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(246, 247, 244, 0.26);
}

.page-faq .faq-response__meta li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(246, 247, 244, 0.26);
}

.page-faq .faq-response__key {
  flex: 0 0 6em;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: rgba(246, 247, 244, 0.7);
}

.page-faq .faq-response__val {
  font-size: 0.9rem;
  color: var(--paper);
  word-break: break-word;
}

@media (min-width: 900px) {
  .page-faq .faq-response__inner {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: start;
    gap: clamp(36px, 5vw, 64px);
  }
}

/* ---------- 继续查阅 ---------- */
.page-faq .faq-next {
  background: var(--paper);
  border-top: var(--faq-line);
}

.page-faq .faq-next__inner {
  padding-block: clamp(30px, 4vw, 52px) clamp(40px, 5vw, 72px);
}

.page-faq .faq-next__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  border-top: var(--faq-line);
}

.page-faq .faq-next__list li {
  border-bottom: var(--faq-line);
}

.page-faq .faq-next__link {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  padding: 16px 14px;
  border-left: 3px solid transparent;
  color: var(--ink);
  text-decoration: none;
  transition: border-color var(--t-fast), background var(--t-fast);
}

.page-faq .faq-next__link:hover,
.page-faq .faq-next__link:focus-visible {
  border-left-color: var(--orange);
  background: var(--green-soft);
}

.page-faq .faq-next__no {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--green);
}

.page-faq .faq-next__name {
  font-weight: 700;
  font-size: 0.98rem;
}

.page-faq .faq-next__desc {
  font-size: 0.84rem;
  color: var(--green-deep);
  opacity: 0.72;
}

@media (min-width: 720px) {
  .page-faq .faq-next__desc {
    margin-left: auto;
  }
}

/* ---------- 打印与降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__link,
  .page-faq .faq-next__link,
  .page-faq .step summary,
  .page-faq .diff-table tbody tr {
    transition: none;
  }
}
<<<END>>>