.page-faq {
  --faq-cut: clamp(14px, 2.2vw, 24px);
  --faq-gap: clamp(24px, 4vw, 48px);
  background: var(--c-paper);
  color: var(--c-char);
  overflow-x: hidden;
}

.page-faq a:focus-visible,
.page-faq summary:focus-visible {
  outline: 2px solid var(--c-green-mid);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-faq .page-faq__hero {
  position: relative;
  isolation: isolate;
  padding-block: clamp(28px, 4vw, 52px) clamp(36px, 5vw, 68px);
}

.page-faq .page-faq__hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset-block-start: -32%;
  inset-inline-end: -16%;
  width: min(620px, 74vw);
  aspect-ratio: 1;
  background: radial-gradient(circle at 34% 34%, rgba(127, 191, 168, 0.34), rgba(207, 227, 218, 0) 68%);
  pointer-events: none;
}

.page-faq .page-faq__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 clamp(14px, 2vw, 22px);
  color: var(--c-ochre);
}

.page-faq .page-faq__eyebrow::before {
  content: "";
  width: 34px;
  height: 1px;
  background: var(--c-copper);
}

.page-faq .page-faq__title {
  margin: 0 0 clamp(16px, 2.4vw, 26px);
  max-width: 16ch;
  font-weight: 300;
}

.page-faq .page-faq__title b {
  font-weight: 600;
  color: var(--c-green);
}

.page-faq .page-faq__lede {
  margin: 0;
  max-width: 50ch;
}

.page-faq .page-faq__toc {
  list-style: none;
  margin: clamp(28px, 4vw, 46px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
}

.page-faq .page-faq__toc a {
  display: inline-block;
  padding: 7px 14px;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-decoration: none;
  color: var(--c-ink);
  background: var(--c-mist);
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-faq .page-faq__toc a:hover,
.page-faq .page-faq__toc a:focus-visible {
  background: var(--c-green);
  color: var(--c-paper);
}

/* ---------- 自检卡 ---------- */
.page-faq .page-faq__check-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  margin-block-start: clamp(24px, 3.4vw, 40px);
}

.page-faq .page-faq__check-copy .prose {
  margin: 0 0 clamp(20px, 2.6vw, 28px);
}

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

.page-faq .page-faq__check-list li {
  position: relative;
  padding-inline-start: 18px;
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .page-faq__check-list li::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  inset-block-start: 0.72em;
  width: 8px;
  height: 8px;
  background: var(--c-copper);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}

.page-faq .page-faq__check-key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-ochre);
  margin-inline-end: 6px;
}

.page-faq .page-faq__check-fig {
  margin: 0;
}

.page-faq .page-faq__check-fig img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border: 1px solid var(--c-rule);
  background: var(--c-paper);
}

.page-faq .page-faq__check-fig figcaption {
  margin-block-start: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  line-height: 1.7;
  color: var(--c-ochre);
}

@media (min-width: 900px) {
  .page-faq .page-faq__check-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
    align-items: center;
  }
}

/* ---------- 海拔刻度 ---------- */
.page-faq .page-faq__scale {
  list-style: none;
  margin: clamp(28px, 4vw, 46px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(14px, 2vw, 22px);
}

.page-faq .page-faq__scale-item {
  position: relative;
  padding: clamp(20px, 2.6vw, 30px) clamp(20px, 2.8vw, 36px) clamp(20px, 2.6vw, 30px) clamp(66px, 7vw, 104px);
  background: var(--c-paper);
  border-left: 3px solid var(--c-copper);
  clip-path: polygon(0 0, calc(100% - var(--faq-cut)) 0, 100% var(--faq-cut), 100% 100%, 0 100%);
}

.page-faq .page-faq__scale-item::after {
  content: "";
  position: absolute;
  inset-block-start: 0;
  inset-inline-start: 0;
  width: 46%;
  height: 1px;
  background: linear-gradient(90deg, var(--c-green-light), rgba(127, 191, 168, 0));
}

.page-faq .page-faq__scale-mark {
  position: absolute;
  inset-inline-start: clamp(18px, 2.2vw, 28px);
  inset-block-start: clamp(20px, 2.6vw, 30px);
  width: 28px;
  padding-block: 5px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-paper);
  background: var(--c-green);
}

.page-faq .page-faq__scale-range {
  margin: 0 0 10px;
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}

.page-faq .page-faq__scale-item p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
}

/* ---------- 墙体 ---------- */
.page-faq .page-faq__wall-fig {
  margin: clamp(26px, 3.6vw, 42px) 0 clamp(26px, 3.4vw, 40px);
}

.page-faq .page-faq__wall-fig img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border: 1px solid var(--c-rule);
  background: var(--c-paper);
}

.page-faq .page-faq__wall-fig figcaption {
  margin-block-start: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-ochre);
}

.page-faq .page-faq__wall-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 20px);
}

.page-faq .page-faq__wall-card {
  padding: clamp(20px, 2.6vw, 28px);
  background: var(--c-ink);
  color: var(--c-paper);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%);
}

.page-faq .page-faq__wall-card h3 {
  margin: 0 0 14px;
  font-size: clamp(17px, 1.8vw, 20px);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.page-faq .page-faq__wall-card dl {
  margin: 0;
}

.page-faq .page-faq__wall-card dt {
  margin-block-start: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--c-green-light);
}

.page-faq .page-faq__wall-card dd {
  margin: 5px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(247, 244, 236, 0.84);
}

@media (min-width: 720px) {
  .page-faq .page-faq__wall-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .page-faq .page-faq__wall-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 组合对照表 ---------- */
.page-faq .page-faq__matrix-wrap {
  margin-block-start: clamp(26px, 3.6vw, 42px);
  overflow-x: auto;
  border: 1px solid var(--c-rule);
  background: var(--c-paper);
}

.page-faq .page-faq__matrix {
  width: 100%;
  min-width: 880px;
  border-collapse: collapse;
  font-size: 13px;
}

.page-faq .page-faq__matrix th,
.page-faq .page-faq__matrix td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--c-rule);
  border-right: 1px solid var(--c-rule);
}

.page-faq .page-faq__matrix thead th {
  background: var(--c-ink);
  color: var(--c-paper);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.page-faq .page-faq__matrix tbody th {
  background: var(--c-mist);
  color: var(--c-ink);
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-faq .page-faq__matrix td {
  color: var(--c-char);
  line-height: 1.7;
  transition: background var(--t-fast) var(--ease);
}

.page-faq .page-faq__matrix tbody tr:hover td {
  background: rgba(207, 227, 218, 0.5);
}

.page-faq .page-faq__matrix tr:last-child th,
.page-faq .page-faq__matrix tr:last-child td {
  border-bottom: 0;
}

.page-faq .page-faq__matrix th:last-child,
.page-faq .page-faq__matrix td:last-child {
  border-right: 0;
}

.page-faq .page-faq__matrix-note {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  max-width: 68ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-char);
}

.page-faq .page-faq__inline-link {
  display: inline-block;
  margin-inline-start: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-green);
  text-decoration: none;
  border-bottom: 1px solid var(--c-green-light);
}

.page-faq .page-faq__inline-link:hover,
.page-faq .page-faq__inline-link:focus-visible {
  color: var(--c-ochre);
  border-bottom-color: var(--c-ochre);
}

/* ---------- 派单流程 ---------- */
.page-faq .page-faq__flow {
  list-style: none;
  margin: clamp(30px, 4.4vw, 50px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 2.8vw, 28px);
}

.page-faq .page-faq__step {
  position: relative;
  padding-block-start: clamp(20px, 2.6vw, 28px);
  border-top: 1px solid var(--c-rule);
}

.page-faq .page-faq__step::before {
  content: "";
  position: absolute;
  inset-block-start: -1px;
  inset-inline-start: 0;
  width: 48px;
  height: 3px;
  background: var(--c-ochre);
}

.page-faq .page-faq__step-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-copper);
  margin-block-end: 10px;
}

.page-faq .page-faq__step-title {
  margin: 0 0 10px;
  font-size: clamp(17px, 1.9vw, 20px);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}

.page-faq .page-faq__step p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.85;
}

.page-faq .page-faq__step-time {
  display: inline-block;
  padding: 5px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-ink);
  background: var(--c-mist);
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
}

@media (min-width: 860px) {
  .page-faq .page-faq__flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 问答折叠 ---------- */
.page-faq .page-faq__qa {
  margin-block-start: clamp(28px, 4vw, 44px);
  border-top: 1px solid var(--c-rule);
}

.page-faq .page-faq__fold {
  border-bottom: 1px solid var(--c-rule);
}

.page-faq .page-faq__fold-sum {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: clamp(16px, 2vw, 22px) 0;
  cursor: pointer;
  list-style: none;
  font-size: clamp(15px, 1.7vw, 17px);
  font-weight: 600;
  color: var(--c-ink);
  transition: color var(--t-fast) var(--ease);
}

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

.page-faq .page-faq__fold-sum:hover {
  color: var(--c-green);
}

.page-faq .page-faq__fold-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--c-ochre);
}

.page-faq .page-faq__fold-body {
  padding: 0 0 clamp(18px, 2.4vw, 26px) calc(14px + 1.9rem);
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-char);
}

.page-faq .page-faq__fold-body p {
  margin: 0;
}

.page-faq .page-faq__fold-body a {
  color: var(--c-green);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 预约准备 ---------- */
.page-faq .page-faq__prepare {
  background: var(--c-ink);
  color: var(--c-paper);
}

.page-faq .page-faq__prepare-index {
  color: var(--c-green-light);
}

.page-faq .page-faq__prepare-title {
  color: var(--c-paper);
  max-width: 22ch;
}

.page-faq .page-faq__prepare-lede {
  margin: clamp(14px, 2vw, 22px) 0 clamp(30px, 4vw, 46px);
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(247, 244, 236, 0.82);
}

.page-faq .page-faq__prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: rgba(247, 244, 236, 0.18);
}

.page-faq .page-faq__prep-item {
  background: var(--c-ink);
  padding: clamp(18px, 2.3vw, 26px);
}

.page-faq .page-faq__prep-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-copper);
  margin-block-end: 10px;
}

.page-faq .page-faq__prep-title {
  margin: 0 0 8px;
  font-size: clamp(16px, 1.7vw, 18px);
  font-weight: 600;
  color: var(--c-paper);
}

.page-faq .page-faq__prep-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(247, 244, 236, 0.8);
}

.page-faq .page-faq__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 16px;
  margin-block-start: clamp(30px, 4vw, 46px);
}

.page-faq .page-faq__contact-line {
  margin: clamp(22px, 3vw, 32px) 0 0;
  max-width: 70ch;
  font-size: 14px;
  line-height: 1.9;
  color: rgba(247, 244, 236, 0.76);
}

.page-faq .page-faq__contact-line a {
  color: var(--c-green-light);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (min-width: 720px) {
  .page-faq .page-faq__prep-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-faq .page-faq__prep-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
<<<END>>>