.page-products {
  --pg-dark: #123328;
  --pg-soft-ink: rgba(27, 27, 24, 0.74);
  --pg-on-dark: rgba(247, 242, 231, 0.86);
  --pg-shadow: rgba(122, 91, 60, 0.14);
}

.page-products .pg-crumb {
  padding-top: 16px;
}

.page-products .pg-crumb .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--husk);
}

.page-products .pg-crumb .breadcrumb ol li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--mist);
}

.page-products .pg-crumb .breadcrumb a {
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-products .pg-crumb .breadcrumb a:hover,
.page-products .pg-crumb .breadcrumb a:focus-visible {
  border-bottom-color: var(--gold);
}

/* ---------- 首屏 ---------- */
.page-products .pg-lead {
  position: relative;
  overflow: hidden;
  margin-top: 14px;
  padding: clamp(30px, 6vw, 66px) 0 clamp(30px, 5vw, 56px);
  background: linear-gradient(158deg, var(--green) 0%, var(--pg-dark) 72%);
  color: var(--paper);
}

.page-products .pg-lead::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold) 0%, var(--cinnabar) 100%);
}

.page-products .pg-lead__inner {
  position: relative;
  z-index: 1;
}

.page-products .pg-lead__glyph {
  position: absolute;
  right: -50px;
  bottom: -46px;
  width: clamp(200px, 40vw, 340px);
  height: auto;
  color: var(--gold-soft);
  opacity: 0.24;
  pointer-events: none;
}

.page-products .pg-lead__kicker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gold-soft);
}

.page-products .pg-lead__title {
  margin: 0;
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(30px, 7vw, 64px);
  line-height: 1.14;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-products .pg-lead__lede {
  max-width: 36em;
  margin: 20px 0 0;
  font-size: clamp(15px, 2.2vw, 17px);
  line-height: 1.85;
  color: var(--pg-on-dark);
}

.page-products .pg-lead__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
  margin: 26px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid rgba(230, 211, 162, 0.34);
  list-style: none;
}

.page-products .pg-lead__stats li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-products .pg-lead__stats strong {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(22px, 4vw, 30px);
  color: var(--gold-soft);
  line-height: 1.1;
}

.page-products .pg-lead__stats span {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: rgba(247, 242, 231, 0.7);
}

/* ---------- 主体布局 ---------- */
.page-products .pg-body {
  padding: clamp(34px, 6vw, 64px) 0 clamp(48px, 8vw, 88px);
}

.page-products .pg-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
}

.page-products .pg-index {
  display: grid;
  gap: 2px;
  padding-left: 14px;
  border-left: 1px solid var(--rule-strong);
}

.page-products .pg-index .index-nav__title {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--husk);
}

.page-products .pg-index .index-nav__link {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 9px 0 9px 10px;
  margin-left: -15px;
  border-left: 2px solid transparent;
  color: var(--pg-soft-ink);
  font-size: 15px;
  text-decoration: none;
  transition: color 180ms var(--ease), border-color 180ms var(--ease), background 180ms var(--ease);
}

.page-products .pg-index .index-nav__link span {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--gold);
}

.page-products .pg-index .index-nav__link:hover,
.page-products .pg-index .index-nav__link:focus-visible {
  color: var(--green);
  background: rgba(230, 211, 162, 0.28);
}

.page-products .pg-index .index-nav__link.is-active,
.page-products .pg-index .index-nav__link[aria-current="true"] {
  color: var(--green);
  font-weight: 600;
  border-left-color: var(--green);
  background: rgba(230, 211, 162, 0.36);
}

.page-products .pg-aside__card {
  margin-top: 24px;
  padding: 16px;
  background: var(--paper-card);
  border: 1px solid var(--rule);
  box-shadow: 5px 5px 0 var(--pg-shadow);
}

.page-products .pg-aside__label {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--husk);
}

.page-products .pg-aside__text {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--pg-soft-ink);
}

.page-products .pg-aside__card .btn {
  width: 100%;
}

.page-products .pg-aside__link {
  display: inline-block;
  margin-top: 12px;
  font-size: 13px;
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
}

/* ---------- 章节 ---------- */
.page-products .pg-sec + .pg-sec {
  margin-top: clamp(38px, 6vw, 72px);
  padding-top: clamp(30px, 5vw, 52px);
  border-top: 1px solid var(--rule);
}

.page-products .pg-sec__head {
  max-width: 40em;
}

.page-products .pg-sec__head .label {
  display: block;
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-products .pg-sec__head h2 {
  margin: 0 0 14px;
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(24px, 4.2vw, 36px);
  line-height: 1.28;
  color: var(--green);
}

.page-products .pg-sec__desc {
  margin: 0 0 26px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--pg-soft-ink);
}

/* ---------- 分类展签 ---------- */
.page-products .pg-cats {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-bottom: 30px;
}

.page-products .pg-cat {
  position: relative;
  padding: 18px 18px 18px 20px;
  background: var(--paper-card);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--gold-soft);
  box-shadow: 4px 4px 0 var(--pg-shadow);
  transition: transform 200ms var(--ease), box-shadow 200ms var(--ease);
}

.page-products .pg-cat:hover {
  transform: translateY(-3px);
  box-shadow: 6px 8px 0 var(--pg-shadow);
}

.page-products .pg-cat:nth-child(2) {
  border-left-color: var(--leaf);
}

.page-products .pg-cat:nth-child(3) {
  border-left-color: var(--gold);
}

.page-products .pg-cat:nth-child(4) {
  border-left-color: var(--cinnabar);
}

.page-products .pg-cat__num {
  margin: 0 0 6px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--husk);
}

.page-products .pg-cat__title {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 19px;
  color: var(--green-deep);
}

.page-products .pg-cat__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--pg-soft-ink);
}

/* ---------- 图片 ---------- */
.page-products .pg-figure {
  margin: 0;
}

.page-products .pg-figure .figure__frame {
  overflow: hidden;
  border: 1px solid var(--rule-strong);
  background: var(--paper-2);
}

.page-products .pg-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-products .pg-figure .figure__caption {
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.7;
  color: var(--husk);
}

/* ---------- 订阅 tabs ---------- */
.page-products .pg-tabs {
  margin-bottom: 22px;
}

.page-products .pg-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--rule);
}

.page-products .pg-tabs__list .tab {
  padding: 9px 16px;
  font-family: var(--sans);
  font-size: 14px;
  color: var(--green);
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-radius: 2px;
  cursor: pointer;
  transition: background 180ms var(--ease), color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-products .pg-tabs__list .tab:hover {
  background: var(--gold-soft);
}

.page-products .pg-tabs__list .tab[aria-selected="true"] {
  background: var(--green);
  border-color: var(--green);
  color: var(--paper);
}

.page-products .pg-tabs__list .tab:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 2px;
}

.page-products .tabs__panel[hidden] {
  display: none;
}

.page-products .pg-tabpanel {
  padding: 20px;
  background: var(--paper-card);
  border: 1px solid var(--rule);
  border-top: 3px solid var(--gold);
  box-shadow: 5px 5px 0 var(--pg-shadow);
}

.page-products .pg-tabpanel__lead {
  margin: 0 0 14px;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 17px;
  line-height: 1.6;
  color: var(--green-deep);
}

.page-products .pg-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-products .pg-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--pg-soft-ink);
}

.page-products .pg-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 7px;
  height: 7px;
  background: var(--gold);
  transform: rotate(45deg);
}

.page-products .pg-notebar {
  display: grid;
  gap: 8px;
  margin-bottom: 28px;
  padding: 16px 18px;
  background: rgba(230, 211, 162, 0.3);
  border-left: 3px solid var(--gold);
}

.page-products .pg-notebar p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--green-deep);
}

/* ---------- 收藏与导出 ---------- */
.page-products .pg-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  margin-bottom: 26px;
}

.page-products .pg-tabs--compare .pg-tabs__list {
  margin-bottom: 14px;
}

.page-products .pg-tabpanel--compare {
  border-top-color: var(--leaf);
}

.page-products .pg-screen {
  overflow: hidden;
  margin-bottom: 14px;
  background: var(--paper);
  border: 1px solid var(--rule-strong);
  border-radius: 8px;
  box-shadow: 5px 5px 0 var(--pg-shadow);
}

.page-products .pg-screen--fast {
  border-color: var(--leaf);
}

.page-products .pg-screen__bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  background: var(--paper-2);
  border-bottom: 1px solid var(--rule);
}

.page-products .pg-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mist);
}

.page-products .pg-screen__url {
  margin-left: 6px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--husk);
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.page-products .pg-screen__star {
  margin-left: auto;
  padding: 2px 8px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--green-deep);
  background: var(--gold-soft);
  border-radius: 2px;
  white-space: nowrap;
}

.page-products .pg-screen__body {
  display: grid;
  gap: 9px;
  padding: 16px;
}

.page-products .pg-bar {
  display: block;
  height: 9px;
  border-radius: 2px;
  background: var(--paper-2);
}

.page-products .pg-bar--90 { width: 90%; }
.page-products .pg-bar--80 { width: 80%; }
.page-products .pg-bar--70 { width: 70%; }
.page-products .pg-bar--60 { width: 60%; }
.page-products .pg-bar--50 { width: 50%; }
.page-products .pg-bar--40 { width: 40%; }

.page-products .pg-compare__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--pg-soft-ink);
}

/* ---------- 折叠 ---------- */
.page-products .pg-fold {
  margin: 0 0 28px;
  border: 1px solid var(--rule);
  border-left: 3px solid var(--green);
  background: var(--paper-card);
}

.page-products .pg-fold summary {
  padding: 14px 18px;
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 600;
  color: var(--green);
  cursor: pointer;
  list-style: none;
}

.page-products .pg-fold summary::-webkit-details-marker {
  display: none;
}

.page-products .pg-fold summary::before {
  content: "＋";
  margin-right: 10px;
  font-family: var(--mono);
  color: var(--gold);
}

.page-products .pg-fold[open] summary::before {
  content: "－";
}

.page-products .pg-fold summary:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: -2px;
}

.page-products .pg-fold .fold__body {
  padding: 0 18px 18px;
}

.page-products .pg-fold .fold__body p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--pg-soft-ink);
}

.page-products .pg-fold .fold__body .pg-list {
  margin-bottom: 12px;
}

/* ---------- 指南 ---------- */
.page-products .pg-chapters {
  display: grid;
  gap: 0;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--rule);
}

.page-products .pg-chapters li {
  padding: 13px 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--pg-soft-ink);
  border-bottom: 1px solid var(--rule);
}

.page-products .pg-chapters .tag {
  margin-right: 8px;
}

.page-products .pg-chapters__note {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--pg-soft-ink);
}

/* ---------- 上手步骤 ---------- */
.page-products .pg-sec--start {
  border-top-color: var(--gold);
}

.page-products .pg-steps {
  display: grid;
  gap: 16px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
  counter-reset: pgstep;
}

.page-products .pg-step {
  position: relative;
  padding: 20px;
  background: var(--paper-card);
  border: 1px solid var(--rule);
  box-shadow: 5px 5px 0 var(--pg-shadow);
}

.page-products .pg-step::before {
  counter-increment: pgstep;
  content: counter(pgstep, decimal-leading-zero);
  position: absolute;
  top: 12px;
  right: 16px;
  font-family: var(--mono);
  font-size: 26px;
  line-height: 1;
  color: var(--gold-soft);
}

.page-products .pg-step__num {
  margin: 0 0 6px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--husk);
}

.page-products .pg-step__title {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 19px;
  color: var(--green-deep);
}

.page-products .pg-step__text {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--pg-soft-ink);
}

.page-products .pg-step__link {
  font-size: 13px;
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
}

.page-products .pg-step__link:hover,
.page-products .pg-step__link:focus-visible {
  color: var(--cinnabar);
  border-bottom-color: var(--cinnabar);
}

.page-products .pg-cta {
  display: grid;
  gap: 16px;
  padding: 22px;
  background: linear-gradient(140deg, rgba(31, 77, 58, 0.94) 0%, var(--pg-dark) 100%);
  color: var(--paper);
  border-left: 4px solid var(--gold);
}

.page-products .pg-cta__text {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(17px, 3vw, 21px);
  line-height: 1.6;
  color: var(--paper);
}

.page-products .pg-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .pg-cta__actions .btn {
  flex: 0 1 auto;
}

.page-products [data-copy] {
  position: relative;
}

.page-products [data-copy][data-copied]::after {
  content: "已复制";
  position: absolute;
  left: 50%;
  bottom: calc(100% + 6px);
  transform: translateX(-50%);
  padding: 3px 8px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--paper);
  background: var(--green);
  white-space: nowrap;
}

.page-products .btn:focus-visible,
.page-products a:focus-visible,
.page-products summary:focus-visible,
.page-products button:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-products .pg-lead__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pg-cats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pg-cat:nth-child(even) {
    margin-top: 16px;
  }

  .page-products .pg-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pg-steps .pg-step:nth-child(3) {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-products .pg-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pg-aside {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-products .pg-split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
    gap: 26px;
  }

  .page-products #guide .pg-split {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }

  .page-products .pg-figure--wide {
    max-width: 640px;
  }

  .page-products .pg-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-products .pg-steps .pg-step:nth-child(3) {
    grid-column: auto;
  }

  .page-products .pg-step:nth-child(2) {
    margin-top: 22px;
  }

  .page-products .pg-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 28px 30px;
  }
}

@media (min-width: 1080px) {
  .page-products .pg-cats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 20px;
  }

  .page-products .pg-cat:nth-child(2) {
    margin-top: 26px;
  }

  .page-products .pg-cat:nth-child(3) {
    margin-top: -10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pg-cat,
  .page-products .pg-index .index-nav__link,
  .page-products .pg-tabs__list .tab {
    transition: none;
  }

  .page-products .pg-cat:hover {
    transform: none;
  }
}
<<<END>>>