.page-products {
  --doc-line: 2px solid var(--ink-green);
  --doc-soft: 8px 8px 0 var(--ink-green);
  --doc-soft-sm: 6px 6px 0 var(--ink-green);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink);
  background: var(--ivory);
}

.page-products h1,
.page-products h2,
.page-products h3 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink-green);
  margin: 0;
}

.page-products p { margin: 0 0 1em; }
.page-products a { color: var(--link); }

.page-products .doc-block { padding: 44px 0 48px; }

.page-products .doc-h2 {
  position: relative;
  padding-left: 22px;
  font-size: 23px;
  line-height: 1.4;
  margin-bottom: 16px;
}
.page-products .doc-h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.24em;
  bottom: 0.24em;
  width: 2px;
  background: var(--gold);
}
.page-products .doc-h2::after {
  content: "";
  position: absolute;
  left: -5px;
  top: 0.72em;
  width: 12px;
  height: 12px;
  background: var(--gold);
  transform: rotate(45deg);
}

/* ---------- 首屏 ---------- */
.page-products .doc-hero { padding: 20px 0 8px; }
.page-products .doc-hero__inner {
  display: grid;
  gap: 28px;
  padding-top: 18px;
  border-top: 2px solid var(--gold);
}
.page-products .doc-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.26em;
  color: var(--gold-dark);
  margin-bottom: 14px;
}
.page-products h1 {
  font-size: clamp(27px, 6vw, 50px);
  line-height: 1.24;
  letter-spacing: 0.03em;
  margin-bottom: 18px;
}
.page-products .doc-lede {
  font-size: 16.5px;
  line-height: 1.85;
  color: #2b2823;
  max-width: 44em;
}
.page-products .doc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 22px 0 0;
}
.page-products .doc-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
  margin: 26px 0 0;
  padding: 0;
}
.page-products .doc-stats > div {
  border-top: 2px solid var(--gold);
  padding-top: 8px;
  min-width: 0;
}
.page-products .doc-stats dt {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--slate-teal);
}
.page-products .doc-stats dd {
  margin: 2px 0 0;
  font-family: var(--font-mono);
  font-size: 21px;
  font-weight: 700;
  color: var(--ink-green);
}
.page-products .doc-hero__media {
  margin: 0;
  border: var(--doc-line);
  box-shadow: var(--doc-soft);
  background: var(--ivory-hi);
  overflow: hidden;
}
.page-products .doc-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 210px;
  max-width: 100%;
  object-fit: cover;
}
.page-products .doc-hero__media .figure-cap {
  padding: 8px 12px;
  font-size: 12.5px;
  color: var(--gold-dark);
  border-top: 1px solid var(--mist);
}

/* ---------- 编号说明 ---------- */
.page-products .doc-format {
  background: var(--ink-green);
  color: var(--ivory);
}
.page-products .doc-format h2 { color: var(--ivory); }
.page-products .doc-format__intro { max-width: 46em; color: #e3ddcd; }
.page-products .doc-format__strip {
  display: grid;
  gap: 14px;
  margin: 22px 0 20px;
}
.page-products .doc-format__seg {
  border: 1px solid rgba(212, 175, 55, 0.55);
  border-left: 3px solid var(--gold);
  background: rgba(246, 241, 231, 0.06);
  padding: 16px 16px 14px;
  min-width: 0;
}
.page-products .doc-format__seg p {
  margin: 8px 0 0;
  font-size: 14.5px;
  color: #ded8c8;
}
.page-products .doc-format__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  color: var(--gold);
  border-bottom: 2px solid var(--gold);
  padding-bottom: 2px;
  margin-bottom: 10px;
}
.page-products .doc-format__label {
  display: block;
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--ivory);
}
.page-products .doc-format__foot {
  margin: 0;
  font-size: 14.5px;
  color: #ded8c8;
  border-top: 1px dashed rgba(212, 175, 55, 0.4);
  padding-top: 14px;
}
.page-products .doc-format__foot .mono { color: var(--gold); }

/* ---------- 分类 ---------- */
.page-products .doc-catalog__grid { display: grid; gap: 26px; }
.page-products .doc-index {
  background: var(--ink-green);
  padding: 18px 16px 16px;
  box-shadow: 7px 7px 0 rgba(212, 175, 55, 0.6);
  min-width: 0;
}
.page-products .doc-index__title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.28em;
  color: var(--gold);
  margin: 0 0 12px;
}
.page-products .doc-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}
.page-products .doc-index__list::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 16px;
  bottom: 16px;
  width: 2px;
  background: rgba(212, 175, 55, 0.45);
}
.page-products .doc-index__list li { position: relative; }
.page-products .doc-index__list a {
  position: relative;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 9px 4px 9px 38px;
  color: var(--ivory);
  text-decoration: none;
  font-size: 15px;
  transition: color 0.12s ease;
}
.page-products .doc-index__list a::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 50%;
  width: 10px;
  height: 10px;
  margin-top: -5px;
  background: var(--ink-green);
  border: 2px solid var(--gold);
  transform: rotate(45deg);
  transition: background 0.12s ease;
}
.page-products .doc-index__list a:hover,
.page-products .doc-index__list a.is-current { color: var(--gold); }
.page-products .doc-index__list a.is-current::before { background: var(--gold); }
.page-products .doc-index__num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--gold);
  letter-spacing: 0.08em;
}
.page-products .doc-index__foot {
  margin: 14px 0 0;
  padding-top: 10px;
  border-top: 1px solid rgba(212, 175, 55, 0.35);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: #cfc7b3;
}
.page-products .doc-catalog__intro { max-width: 44em; }

.page-products .doc-figure {
  margin: 20px 0 24px;
  border: var(--doc-line);
  background: var(--ivory-hi);
  box-shadow: var(--doc-soft-sm);
  overflow: hidden;
}
.page-products .doc-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-products .doc-figure .figure-cap {
  padding: 8px 12px;
  font-size: 12.5px;
  color: var(--gold-dark);
  border-top: 1px solid var(--mist);
  line-height: 1.6;
}

.page-products .doc-cats { display: grid; gap: 16px; }
.page-products .doc-cat {
  background: var(--ivory-hi);
  border: var(--doc-line);
  box-shadow: var(--doc-soft-sm);
  padding: 16px 16px 14px;
  min-width: 0;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.page-products .doc-cat:hover {
  transform: translate(2px, 2px);
  box-shadow: 4px 4px 0 var(--ink-green);
}
.page-products .doc-cat__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  margin-bottom: 10px;
}
.page-products .doc-cat__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--cinnabar);
  border-bottom: 2px solid var(--gold);
  padding-bottom: 1px;
}
.page-products .doc-cat__name { font-size: 19px; }
.page-products .doc-cat p { font-size: 14.5px; margin-bottom: 8px; }
.page-products .doc-cat__link {
  margin: 0;
  font-size: 13.5px;
  color: #4a463f;
  border-top: 1px dashed var(--mist);
  padding-top: 8px;
}
.page-products .doc-cat .mono { font-size: 13px; }

/* ---------- 条文卡片 ---------- */
.page-products .doc-fiches-block__intro { max-width: 44em; }
.page-products .doc-fiches { display: grid; gap: 12px; margin-top: 20px; }
.page-products .doc-fiche {
  background: var(--ivory-hi);
  border: var(--doc-line);
  box-shadow: var(--doc-soft);
  transition: margin-left 0.18s ease, box-shadow 0.18s ease;
}
.page-products .doc-fiche[open] { box-shadow: 5px 5px 0 var(--ink-green); }
.page-products .doc-fiche summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 14px 16px;
}
.page-products .doc-fiche summary::-webkit-details-marker { display: none; }
.page-products .doc-fiche__no { font-size: 13.5px; color: var(--ink-green); }
.page-products .doc-fiche__title {
  font-family: var(--font-display);
  font-size: 17px;
  color: var(--ink-green);
}
.page-products .doc-fiche summary:hover .doc-fiche__title { color: var(--cinnabar); }
.page-products .doc-fiche__body {
  padding: 0 16px 16px;
  border-top: 1px dashed var(--mist);
  padding-top: 12px;
}
.page-products .doc-fiche__body p { font-size: 14.5px; margin-bottom: 10px; }
.page-products .doc-fiche__ver {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--slate-teal);
  border-left: 2px solid var(--gold);
  padding-left: 10px;
}

/* ---------- 分步指引 ---------- */
.page-products .doc-steps-section {
  background: var(--ivory-hi);
  border-top: 2px solid var(--mist);
  border-bottom: 2px solid var(--mist);
}
.page-products .doc-steps-section__intro { max-width: 44em; }
.page-products .doc-steps-wrap { display: grid; gap: 22px; margin-top: 18px; }
.page-products .doc-figure--square { margin: 0; }
.page-products .doc-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}
.page-products .doc-filter__btn {
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0.08em;
  padding: 7px 14px;
  border: 2px solid var(--ink-green);
  border-radius: var(--radius);
  background: var(--ivory);
  color: var(--ink-green);
  cursor: pointer;
  transition: border-color 0.12s ease, color 0.12s ease, background 0.12s ease;
}
.page-products .doc-filter__btn:hover { background: var(--gold-pale); }
.page-products .doc-filter__btn.is-active {
  border-color: var(--cinnabar);
  color: var(--cinnabar);
  background: #fff;
}
.page-products .doc-steps { display: grid; gap: 14px; }
.page-products .doc-step {
  background: var(--ivory);
  border: var(--doc-line);
  box-shadow: var(--doc-soft-sm);
  padding: 15px 16px 16px;
  min-width: 0;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.page-products .doc-step:hover {
  transform: translate(2px, 2px);
  box-shadow: 3px 3px 0 var(--ink-green);
}
.page-products .doc-step__title {
  font-size: 17px;
  margin: 8px 0 10px;
  line-height: 1.5;
}
.page-products .doc-step ol {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: stepnum;
}
.page-products .doc-step ol li {
  position: relative;
  counter-increment: stepnum;
  padding-left: 28px;
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 7px;
  color: #322f29;
}
.page-products .doc-step ol li:last-child { margin-bottom: 0; }
.page-products .doc-step ol li::before {
  content: counter(stepnum);
  position: absolute;
  left: 0;
  top: 3px;
  width: 19px;
  height: 19px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-green);
  background: var(--gold-pale);
  border-radius: 2px;
}

/* ---------- 期号定位 ---------- */
.page-products .doc-period__card {
  border: var(--doc-line);
  box-shadow: 8px 8px 0 var(--slate-teal);
  background: var(--ivory-hi);
  padding: 22px 18px 24px;
}
.page-products .doc-period__steps {
  list-style: none;
  margin: 18px 0 20px;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-products .doc-period__steps li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 14.5px;
  border-top: 1px solid var(--mist);
  padding-top: 12px;
}
.page-products .doc-period__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cinnabar);
  letter-spacing: 0.1em;
  padding-top: 2px;
}
.page-products .doc-period__none {
  font-weight: 700;
  color: var(--ink-green);
}
.page-products .doc-period__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 术语 ---------- */
.page-products .doc-terms-block__intro { max-width: 44em; }
.page-products .doc-terms {
  margin: 0 0 18px;
  padding: 0;
  border-top: 2px solid var(--gold);
}
.page-products .doc-term {
  display: grid;
  gap: 2px 20px;
  padding: 12px 0;
  border-bottom: 1px solid var(--mist);
}
.page-products .doc-term dt {
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--ink-green);
  line-height: 1.6;
}
.page-products .doc-term dt small {
  display: block;
  font-family: var(--font-body);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--gold-dark);
}
.page-products .doc-term dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: #322f29;
}
.page-products .doc-terms-block__foot {
  font-size: 14px;
  color: #4a463f;
  border-left: 3px solid var(--gold-pale);
  padding-left: 14px;
  margin: 0;
}

/* ---------- 版本记录 ---------- */
.page-products .doc-version { background: var(--ivory-hi); }
.page-products .doc-version__intro { max-width: 44em; }
.page-products .doc-diff {
  display: grid;
  border: var(--doc-line);
  background: var(--ivory);
  box-shadow: var(--doc-soft-sm);
  margin-bottom: 16px;
}
.page-products .doc-diff__col { padding: 16px 18px; }
.page-products .doc-diff__col + .doc-diff__col {
  border-top: 2px dashed var(--mist);
}
.page-products .doc-diff__col p:last-child { margin-bottom: 0; font-size: 15px; }
.page-products .doc-diff__label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--slate-teal);
  margin-bottom: 8px;
}
.page-products .doc-diff del {
  color: var(--gold-dark);
  text-decoration: line-through;
  text-decoration-color: var(--cinnabar);
}
.page-products .doc-diff ins {
  color: var(--cinnabar);
  text-decoration: none;
  background: rgba(192, 57, 43, 0.09);
  padding: 0 2px;
}
.page-products .doc-version__note {
  font-size: 14px;
  color: #4a463f;
  max-width: 44em;
}
.page-products .doc-version__strip {
  margin-top: 18px;
  font-size: 14px;
}
.page-products .doc-version__strip a {
  color: var(--link);
  font-weight: 700;
  margin-left: 4px;
}

/* ---------- 延伸入口 ---------- */
.page-products .doc-next {
  background: var(--ink-green);
  color: var(--ivory);
  padding-bottom: 52px;
}
.page-products .doc-h2--light { color: var(--ivory); }
.page-products .doc-next__intro {
  color: #ded8c8;
  max-width: 46em;
  font-size: 15px;
}
.page-products .doc-next__list {
  display: grid;
  margin-top: 18px;
  border-top: 1px solid rgba(212, 175, 55, 0.4);
}
.page-products .doc-next__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 2px;
  border-bottom: 1px solid rgba(212, 175, 55, 0.4);
  color: var(--ivory);
  text-decoration: none;
  transition: padding-left 0.14s ease, color 0.14s ease;
}
.page-products .doc-next__link b {
  display: block;
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: 0.04em;
  font-weight: 700;
}
.page-products .doc-next__link small {
  display: block;
  font-size: 13px;
  color: #cfc7b3;
  line-height: 1.65;
}
.page-products .doc-next__link:hover { color: var(--gold); padding-left: 10px; }
.page-products .doc-next__arrow {
  font-family: var(--font-mono);
  color: var(--gold);
  font-size: 18px;
  flex: 0 0 auto;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .doc-stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-products .doc-cats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-products .doc-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 768px) {
  .page-products .doc-block { padding: 54px 0 58px; }
  .page-products .doc-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
    gap: 34px;
  }
  .page-products .doc-hero__media img { min-height: 300px; }
  .page-products .doc-format__strip { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-products .doc-period__steps { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
  .page-products .doc-period__steps li { flex-direction: column; gap: 6px; }
  .page-products .doc-term { grid-template-columns: 220px minmax(0, 1fr); padding: 14px 0; }
  .page-products .doc-diff { grid-template-columns: 1fr 1fr; }
  .page-products .doc-diff__col + .doc-diff__col {
    border-top: 0;
    border-left: 2px dashed var(--mist);
  }
  .page-products .doc-fiches .doc-fiche:nth-child(2n) { margin-left: 12px; }
  .page-products .doc-fiches .doc-fiche:hover,
  .page-products .doc-fiches .doc-fiche[open] { margin-left: 0; }
}

@media (min-width: 992px) {
  .page-products .doc-catalog__grid {
    grid-template-columns: 244px minmax(0, 1fr);
    gap: 38px;
    align-items: start;
  }
  .page-products .doc-index { position: sticky; top: 22px; }
  .page-products .doc-steps-wrap {
    grid-template-columns: 300px minmax(0, 1fr);
    align-items: start;
    gap: 30px;
  }
  .page-products .doc-figure--square { position: sticky; top: 22px; }
  .page-products .doc-h2 { font-size: 26px; }
  .page-products .doc-period__card { padding: 30px 30px 32px; }
}
<<<END>>>