.page-faq {
  --faq-rule: rgba(140, 156, 144, 0.34);
  --faq-rule-green: rgba(14, 122, 60, 0.26);
  --faq-text: #26332b;
  --faq-sunken: rgba(11, 27, 58, 0.045);
  padding-bottom: clamp(48px, 9vw, 104px);
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumb {
  padding: 20px 0 0;
}

/* ---------- 首屏框景 ---------- */
.page-faq .faq-hero {
  padding: 14px 0 clamp(26px, 4vw, 46px);
}

.page-faq .faq-hero__frame {
  position: relative;
  overflow: hidden;
  padding: clamp(30px, 5vw, 60px) clamp(20px, 4.4vw, 56px) clamp(30px, 4.4vw, 50px);
  border: 1.5px solid var(--green);
  background:
    linear-gradient(180deg, rgba(14, 122, 60, 0.06), rgba(11, 27, 58, 0.03) 58%, rgba(244, 247, 241, 0) 100%),
    var(--paper);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

.page-faq .faq-hero__frame::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 9px;
  background: repeating-linear-gradient(90deg, var(--green-deep) 0 1px, transparent 1px 17px);
  opacity: 0.45;
}

.page-faq .faq-hero__frame::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 9px;
  background: repeating-linear-gradient(180deg, var(--green-deep) 0 1px, transparent 1px 17px);
  opacity: 0.24;
}

.page-faq .faq-hero__eyebrow {
  letter-spacing: 0.14em;
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  max-width: 20ch;
  font-family: var(--font-cn);
  font-weight: 700;
  font-size: clamp(32px, 5.6vw, 62px);
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--graphite);
}

.page-faq .faq-hero__lead {
  margin: 20px 0 0;
  max-width: 54ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--faq-text);
}

.page-faq .faq-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(24px, 3.4vw, 34px);
}

.page-faq .faq-hero__jump a {
  padding: 8px 13px;
  border: 1px solid var(--faq-rule-green);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--green-deep);
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 7px) 0, 100% 7px, 100% 100%, 7px 100%, 0 calc(100% - 7px));
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

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

.page-faq .faq-legend {
  display: block;
  width: min(100%, 336px);
  height: auto;
  margin-top: clamp(24px, 3.4vw, 34px);
  color: var(--mist);
  font-family: var(--font-mono);
}

.page-faq .faq-hero__rot {
  position: absolute;
  top: clamp(28px, 5vw, 54px);
  right: clamp(10px, 2vw, 20px);
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--mist);
  opacity: 0.72;
}

/* ---------- 筛选条 ---------- */
.page-faq .faq-filter {
  margin: 0 0 clamp(26px, 4vw, 44px);
  padding-top: 18px;
  border-top: 1px solid var(--faq-rule);
}

/* ---------- 布局骨架 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

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

.page-faq .faq-rail {
  display: none;
}

/* ---------- 区块头部 ---------- */
.page-faq .faq-section {
  position: relative;
  padding-top: clamp(38px, 5.4vw, 62px);
  scroll-margin-top: calc(var(--header-space) + 20px);
}

.page-faq .faq-section:first-child {
  padding-top: 0;
}

.page-faq .faq-section__head {
  position: relative;
  margin-bottom: clamp(18px, 3vw, 28px);
  padding-bottom: 16px;
  border-bottom: 1px solid var(--faq-rule-green);
}

.page-faq .faq-section__head::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 6px;
  background: repeating-linear-gradient(90deg, var(--green) 0 1px, transparent 1px 19px);
  opacity: 0.4;
  pointer-events: none;
}

.page-faq .faq-section__title {
  margin: 8px 0 0;
  font-family: var(--font-cn);
  font-weight: 700;
  font-size: clamp(23px, 3.2vw, 33px);
  line-height: 1.28;
  color: var(--graphite);
}

.page-faq .faq-section__meta {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

/* ---------- 分栏 ---------- */
.page-faq .faq-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 36px);
}

/* ---------- 问答流 ---------- */
.page-faq .faq-stream {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.page-faq .faq-stream--after-steps {
  margin-top: clamp(22px, 3vw, 32px);
}

.page-faq .faq-item {
  position: relative;
  padding-left: 18px;
  border-left: 2px solid var(--green);
  transition: border-color 0.18s ease, background 0.18s ease;
}

.page-faq .faq-item + .faq-item {
  margin-top: 2px;
  border-top: 1px solid var(--faq-rule);
}

.page-faq .faq-item[open] {
  border-left-color: var(--neon);
  background: linear-gradient(90deg, rgba(228, 255, 74, 0.16), rgba(228, 255, 74, 0) 52%);
}

.page-faq .faq-item > summary {
  position: relative;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 15px 42px 15px 0;
  font-family: var(--font-cn);
  font-weight: 700;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.6;
  color: var(--graphite);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item > summary::after {
  content: "+";
  position: absolute;
  top: 13px;
  right: 8px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--mist);
  transition: color 0.18s ease;
}

.page-faq .faq-item[open] > summary::after {
  content: "−";
  color: var(--green-deep);
}

.page-faq .faq-item > summary:hover::after,
.page-faq .faq-item > summary:focus-visible::after {
  color: var(--green);
}

.page-faq .faq-item__q {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin-top: 3px;
  display: grid;
  place-items: center;
  background: var(--green-deep);
  color: var(--neon);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%);
}

.page-faq .faq-item__text {
  min-width: 0;
}

.page-faq .faq-item__body {
  padding: 0 42px 18px 32px;
}

.page-faq .faq-item__body p {
  margin: 0 0 10px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--faq-text);
}

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

.page-faq .faq-item__body strong {
  font-family: var(--font-num), var(--font-cn);
  font-size: 1.28em;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--green-deep);
}

/* ---------- 口径提示带 ---------- */
.page-faq .faq-band {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  align-items: flex-start;
  margin: clamp(26px, 4vw, 42px) 0 0;
  padding: clamp(18px, 2.6vw, 26px) clamp(18px, 3vw, 32px);
  background: var(--night);
  color: var(--paper);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
}

.page-faq .faq-band__key {
  flex: 0 0 auto;
  margin: 0;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--neon);
}

.page-faq .faq-band--assoc .faq-band__key {
  color: var(--pen-tail);
}

.page-faq .faq-band__text {
  flex: 1 1 320px;
  margin: 0;
  max-width: 74ch;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(244, 247, 241, 0.9);
}

/* ---------- 信息图 ---------- */
.page-faq .faq-figure {
  margin: 0;
}

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

.page-faq .faq-figure--sub img {
  border-top: 3px solid var(--sub);
}

.page-faq .faq-figure--pen img {
  border-top: 3px solid var(--pen);
}

.page-faq .faq-figure--wide {
  margin-top: clamp(24px, 3.6vw, 38px);
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 步骤路径 ---------- */
.page-faq .faq-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps li {
  position: relative;
  padding: 18px 20px 18px 22px;
  border-left: 2px solid var(--green);
  background: rgba(14, 122, 60, 0.05);
}

.page-faq .faq-steps li::after {
  content: "";
  position: absolute;
  right: 14px;
  bottom: 14px;
  width: 22px;
  height: 1px;
  background: var(--faq-rule-green);
}

.page-faq .faq-steps__num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 30px;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--green);
}

.page-faq .faq-steps h3 {
  margin: 0 0 6px;
  font-family: var(--font-cn);
  font-weight: 700;
  font-size: 16px;
  color: var(--graphite);
}

.page-faq .faq-steps p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--faq-text);
}

/* ---------- 自查清单 ---------- */
.page-faq .faq-checklist {
  display: flex;
  flex-direction: column;
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-checklist li {
  border-bottom: 1px dashed var(--faq-rule);
}

.page-faq .faq-checklist label {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 15px 4px;
  cursor: pointer;
}

.page-faq .faq-checklist input {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  display: grid;
  place-items: center;
  appearance: none;
  -webkit-appearance: none;
  border: 1.5px solid var(--green);
  background: var(--paper);
}

.page-faq .faq-checklist input::after {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--green-deep);
  transform: scale(0);
  transition: transform 0.16s ease;
}

.page-faq .faq-checklist input:checked::after {
  transform: scale(1);
}

.page-faq .faq-checklist input:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 2px;
}

.page-faq .faq-checklist span {
  font-size: 15px;
  line-height: 1.68;
  color: var(--faq-text);
  transition: color 0.16s ease;
}

.page-faq .faq-checklist input:checked + span {
  color: var(--mist);
}

.page-faq .faq-selfcheck__hint {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  padding: 16px 20px;
  border-left: 3px solid var(--mist);
  background: var(--faq-sunken);
  font-size: 14px;
  line-height: 1.78;
  color: var(--faq-text);
}

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

.page-faq .faq-selfcheck__hint--done {
  display: none;
  border-left-color: var(--pen);
}

.page-faq .faq-selfcheck:has(input:checked):not(:has(input:not(:checked))) .faq-selfcheck__hint--pending {
  display: none;
}

.page-faq .faq-selfcheck:has(input:checked):not(:has(input:not(:checked))) .faq-selfcheck__hint--done {
  display: block;
}

/* ---------- 右侧索引 ---------- */
.page-faq .faq-rail__title {
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--faq-rule);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-rail__list {
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-rail__list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 9px 0 9px 10px;
  border-left: 2px solid transparent;
  font-size: 14px;
  color: var(--graphite);
  text-decoration: none;
  transition: border-color 0.18s ease, color 0.18s ease;
}

.page-faq .faq-rail__list a:hover,
.page-faq .faq-rail__list a:focus-visible {
  border-left-color: var(--neon);
  color: var(--green-deep);
}

.page-faq .faq-rail__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--mist);
}

/* ---------- 继续阅读 ---------- */
.page-faq .faq-next {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin-top: clamp(44px, 6vw, 78px);
  padding-top: 22px;
  border-top: 1.5px solid var(--green);
}

.page-faq .faq-next a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--faq-rule);
  text-decoration: none;
}

.page-faq .faq-next strong {
  font-family: var(--font-cn);
  font-weight: 700;
  font-size: 17px;
  color: var(--graphite);
  transition: color 0.18s ease;
}

.page-faq .faq-next span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-faq .faq-next a:hover strong,
.page-faq .faq-next a:focus-visible strong {
  color: var(--green);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 22px;
  }

  .page-faq .faq-next {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-next a {
    padding: 4px 22px 4px 0;
    border-bottom: none;
    border-right: 1px solid var(--faq-rule);
  }

  .page-faq .faq-next a:last-child {
    border-right: none;
  }

  .page-faq .faq-next a + a {
    padding-left: 22px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-stream--narrow {
    max-width: 64%;
  }

  .page-faq .faq-checklist {
    max-width: 64%;
  }

  .page-faq .faq-figure--wide img {
    max-height: 340px;
  }

  .page-faq .faq-hero__frame {
    padding-right: clamp(56px, 7vw, 96px);
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) 208px;
    column-gap: clamp(28px, 4vw, 56px);
  }

  .page-faq .faq-body {
    grid-column: 1;
  }

  .page-faq .faq-rail {
    display: block;
    grid-column: 2;
    grid-row: 1 / -1;
    align-self: start;
    position: sticky;
    top: calc(var(--header-space) + 18px);
  }
}

@media (max-width: 719px) {
  .page-faq .faq-hero__rot {
    display: none;
  }

  .page-faq .faq-hero__frame {
    padding-right: clamp(20px, 5vw, 34px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-hero__jump a,
  .page-faq .faq-checklist input::after,
  .page-faq .faq-next strong {
    transition: none;
  }
}
<<<END>>>