.page-products {
  --prod-edge: 2px solid var(--ink-green-deep);
  --prod-hair: 1px solid rgba(198, 161, 91, 0.3);
  --prod-pad: clamp(1rem, 3vw, 1.7rem);
  background: var(--ink-green);
  color: var(--paper-white);
  padding-bottom: clamp(3rem, 7vw, 5.5rem);
  overflow-x: clip;
}

.page-products .breadcrumb {
  padding-top: clamp(1rem, 3vw, 1.6rem);
}

.page-products .breadcrumb__link,
.page-products .breadcrumb__sep {
  color: var(--gold-soft);
}

.page-products .breadcrumb__current {
  color: rgba(246, 241, 229, 0.72);
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  padding: clamp(1.2rem, 3.5vw, 2.2rem) 0 clamp(1.8rem, 4.5vw, 3rem);
  border-bottom: 1px solid rgba(198, 161, 91, 0.35);
}

.page-products .prod-hero__inner {
  display: grid;
  gap: clamp(1.4rem, 4vw, 2.6rem);
  grid-template-columns: minmax(0, 1fr);
}

.page-products .prod-hero h1 {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(2rem, 5.6vw, 3.8rem);
  line-height: 1.14;
  letter-spacing: 0.02em;
  margin: 0.5rem 0 0;
  color: var(--paper-white);
  text-wrap: balance;
}

.page-products .prod-hero__lede {
  max-width: 60ch;
  margin: 1rem 0 0;
  font-size: var(--step-body);
  line-height: 1.8;
  color: rgba(246, 241, 229, 0.86);
}

.page-products .prod-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.4rem;
}

.page-products .prod-stamp {
  border: 2px solid var(--gold);
  background: var(--ink-green-deep);
  padding: var(--prod-pad);
  box-shadow: 8px 8px 0 rgba(140, 106, 63, 0.55);
}

.page-products .prod-stamp__label {
  margin: 0 0 0.8rem;
  font-size: var(--step-mini);
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-products .prod-stamp__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
  font-size: 0.92rem;
}

.page-products .prod-stamp__list li {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  padding-bottom: 0.45rem;
  border-bottom: 1px dashed rgba(198, 161, 91, 0.28);
  color: rgba(246, 241, 229, 0.88);
}

.page-products .prod-stamp__list .mono {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  color: var(--gold-soft);
  min-width: 4.6rem;
}

.page-products .prod-stamp__note {
  margin: 0.9rem 0 0;
  font-size: 0.8rem;
  line-height: 1.7;
  color: rgba(246, 241, 229, 0.6);
}

/* ---------- 主体栅格 ---------- */
.page-products .prod-body {
  display: grid;
  gap: clamp(1.6rem, 4vw, 3rem);
  grid-template-columns: minmax(0, 1fr);
  margin-top: clamp(1.8rem, 4.5vw, 3rem);
}

.page-products .prod-index {
  border-top: 3px solid var(--gold);
  padding-top: 0.7rem;
}

.page-products .prod-index__title {
  margin: 0 0 0.7rem;
  font-size: var(--step-mini);
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-products .prod-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 0.4rem;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: max-content;
  gap: 0.4rem;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-products .prod-index__link {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  white-space: nowrap;
  padding: 0.4rem 0.55rem;
  font-size: 0.86rem;
  color: rgba(246, 241, 229, 0.78);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-products .prod-index__link .mono {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-products .prod-index__link:hover,
.page-products .prod-index__link:focus-visible {
  color: var(--paper-white);
  border-bottom-color: var(--cinnabar);
}

/* ---------- 章节框架 ---------- */
.page-products .prod-section {
  scroll-margin-top: 5rem;
}

.page-products .prod-section + .prod-section {
  margin-top: clamp(2.2rem, 5vw, 3.6rem);
}

.page-products .prod-head {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding-bottom: 0.55rem;
  border-bottom: 2px solid var(--copper);
  margin-bottom: 1rem;
}

.page-products .prod-head__no {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  color: var(--gold);
  flex: none;
}

.page-products .prod-head h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: var(--step-h2);
  line-height: 1.22;
  color: var(--paper-white);
}

.page-products .prod-section__intro {
  max-width: 64ch;
  margin: 0 0 1.2rem;
  font-size: 0.98rem;
  line-height: 1.8;
  color: rgba(246, 241, 229, 0.8);
}

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

.page-products .media-frame {
  aspect-ratio: auto;
  display: block;
  border: var(--prod-edge);
  box-shadow: 8px 8px 0 rgba(198, 161, 91, 0.35);
  background: var(--ink-green-deep);
  overflow: hidden;
}

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

.page-products .media-frame__caption {
  display: block;
  margin-top: 0.6rem;
  font-size: 0.78rem;
  line-height: 1.65;
  color: rgba(246, 241, 229, 0.6);
}

/* ---------- 01 费用表 ---------- */
.page-products .fee-layout {
  display: grid;
  gap: 1.1rem;
  grid-template-columns: minmax(0, 1fr);
}

.page-products .fee-panel {
  background: var(--paper-white);
  color: var(--ink-black);
  border: var(--prod-edge);
  box-shadow: 10px 10px 0 rgba(198, 161, 91, 0.5);
  padding: clamp(0.8rem, 2.4vw, 1.4rem);
}

.page-products .fee-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .fee-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.page-products .fee-table th,
.page-products .fee-table td {
  border: 1px solid var(--muted);
  padding: 0.6rem 0.7rem;
  text-align: left;
  vertical-align: top;
  line-height: 1.6;
}

.page-products .fee-table thead th {
  background: var(--ink-green-deep);
  color: var(--paper-yellow);
  border-color: var(--ink-green-deep);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  font-weight: 500;
}

.page-products .fee-table tbody th {
  font-weight: 700;
  color: var(--ink-green-deep);
  white-space: nowrap;
}

.page-products .fee-table tbody tr:nth-child(even) {
  background: rgba(207, 198, 178, 0.34);
}

.page-products .fee-amount {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  color: var(--cinnabar);
  white-space: nowrap;
}

.page-products .fee-amount--free {
  color: var(--grey-green);
}

.page-products .fee-panel__foot {
  margin: 0.9rem 0 0;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--copper);
}

/* ---------- 02 序号目录 ---------- */
.page-products .filter-bar {
  margin-bottom: 1rem;
}

.page-products .catalog-wrap {
  display: grid;
  gap: 1.4rem;
  grid-template-columns: minmax(0, 1fr);
}

.page-products .pack-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--prod-hair);
}

.page-products .pack-item {
  display: grid;
  grid-template-columns: 4.9rem minmax(0, 1fr);
  align-items: baseline;
  gap: 0.15rem 0.85rem;
  padding: 0.6rem 0.55rem;
  border-bottom: var(--prod-hair);
  transition: background 180ms var(--ease), transform 180ms var(--ease),
    box-shadow 180ms var(--ease);
}

.page-products .pack-item__no {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.09em;
  color: var(--gold);
  white-space: nowrap;
}

.page-products .pack-item__name {
  font-size: 0.94rem;
  color: var(--paper-white);
}

.page-products .pack-item__meta {
  grid-column: 2;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: rgba(246, 241, 229, 0.55);
}

.page-products .pack-item .tag {
  grid-column: 2;
  justify-self: start;
  margin-top: 0.2rem;
}

.page-products .pack-item:hover,
.page-products .pack-item:focus-within {
  background: var(--ink-green-deep);
  transform: translateX(6px);
  box-shadow: -8px 0 0 0 var(--gold);
}

.page-products .catalog-figure {
  align-self: start;
}

/* ---------- 03 怎么选 ---------- */
.page-products .choice {
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(0, 1fr);
}

.page-products .choice__card {
  border: 2px solid var(--copper);
  background: var(--ink-green-deep);
  padding: var(--prod-pad);
  box-shadow: 8px 8px 0 rgba(198, 161, 91, 0.3);
}

.page-products .choice__card--v4 {
  border-color: var(--gold);
}

.page-products .choice__card--apple {
  border-color: var(--cinnabar);
  box-shadow: 8px 8px 0 rgba(179, 58, 43, 0.42);
}

.page-products .choice__code {
  margin: 0 0 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-products .choice__card--apple .choice__code {
  color: var(--cinnabar);
}

.page-products .choice__card h3 {
  margin: 0 0 0.9rem;
  font-family: var(--font-serif);
  font-size: var(--step-h3);
  font-weight: 800;
  color: var(--paper-white);
}

.page-products .choice__list {
  margin: 0;
  display: grid;
  gap: 0.55rem;
}

.page-products .choice__list > div {
  display: grid;
  grid-template-columns: 4.6rem minmax(0, 1fr);
  gap: 0.7rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px dashed rgba(198, 161, 91, 0.25);
  font-size: 0.88rem;
  line-height: 1.7;
}

.page-products .choice__list dt {
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--gold);
  padding-top: 0.15rem;
}

.page-products .choice__list dd {
  margin: 0;
  color: rgba(246, 241, 229, 0.85);
}

.page-products .choice-note {
  margin-top: 1.2rem;
  display: grid;
  gap: 1.1rem;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}

.page-products .choice-note p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: rgba(246, 241, 229, 0.82);
}

.page-products .choice-note a,
.page-products .guide-panel__foot a,
.page-products .batch-foot a {
  color: var(--gold-soft);
  text-decoration: underline;
  text-underline-offset: 0.22em;
  text-decoration-thickness: 1px;
}

.page-products .choice-note a:hover,
.page-products .guide-panel__foot a:hover,
.page-products .batch-foot a:hover {
  color: var(--paper-white);
}

/* ---------- 04 下载与校验 ---------- */
.page-products .guide-panel {
  background: var(--paper-yellow);
  color: var(--ink-black);
  border: var(--prod-edge);
  box-shadow: 10px 10px 0 rgba(198, 161, 91, 0.5);
  padding: clamp(1rem, 3vw, 1.7rem);
}

.page-products .guide-panel__intro {
  margin: 0 0 1.2rem;
  font-size: 0.95rem;
  line-height: 1.8;
  color: rgba(17, 19, 17, 0.82);
}

.page-products .steps {
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-products .steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 2.1rem minmax(0, 1fr);
  gap: 0.85rem;
  align-items: start;
}

.page-products .steps li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--paper-white);
  background: var(--cinnabar);
  width: 2.1rem;
  height: 2.1rem;
  display: grid;
  place-items: center;
  box-shadow: 3px 3px 0 var(--ink-green-deep);
}

.page-products .steps h3 {
  margin: 0 0 0.15rem;
  font-family: var(--font-serif);
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--ink-green-deep);
}

.page-products .steps p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(17, 19, 17, 0.78);
}

.page-products .guide-panel__foot {
  margin: 1.2rem 0 0;
  padding-top: 0.8rem;
  border-top: 1px solid rgba(140, 106, 63, 0.45);
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--ink-green-deep);
}

.page-products .guide-panel__foot a {
  color: var(--cinnabar);
}

.page-products .guide-panel__foot a:hover {
  color: var(--ink-green-deep);
}

.page-products .guide-figure {
  margin-top: 1.2rem;
}

/* ---------- 05 折叠 ---------- */
.page-products .faq-fold {
  border: 2px solid var(--copper);
  background: rgba(246, 241, 229, 0.045);
  margin-bottom: 0.6rem;
  transition: border-color 180ms var(--ease), background 180ms var(--ease);
}

.page-products .faq-fold:hover {
  border-color: var(--gold);
}

.page-products .faq-fold summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1rem;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1rem;
  color: var(--paper-yellow);
}

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

.page-products .faq-fold summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--gold);
  line-height: 1;
}

.page-products .faq-fold[open] summary::after {
  content: "\2212";
}

.page-products .faq-fold[open] {
  background: rgba(246, 241, 229, 0.08);
}

.page-products .faq-fold__body {
  padding: 0 1rem 0.95rem;
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(246, 241, 229, 0.82);
}

/* ---------- 06 批次 ---------- */
.page-products .batch-grid {
  display: grid;
  gap: 1.1rem;
  grid-template-columns: minmax(0, 1fr);
}

.page-products .batch-item {
  border-top: 3px solid var(--gold);
  padding-top: 0.7rem;
}

.page-products .batch-item__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.3rem, 3vw, 1.7rem);
  letter-spacing: 0.04em;
  color: var(--gold);
  margin-bottom: 0.35rem;
}

.page-products .batch-item p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: rgba(246, 241, 229, 0.78);
}

.page-products .batch-foot {
  margin: 1.3rem 0 0;
  padding-top: 0.9rem;
  border-top: var(--prod-hair);
  font-size: 0.9rem;
  line-height: 1.85;
  color: rgba(246, 241, 229, 0.78);
}

/* ---------- 页尾咨询条 ---------- */
.page-products .prod-cta {
  margin-top: clamp(2.4rem, 6vw, 3.8rem);
  background: var(--cinnabar);
  color: var(--paper-white);
  border: 2px solid var(--ink-green-deep);
  box-shadow: 10px 10px 0 rgba(7, 26, 21, 0.95);
  padding: clamp(1.1rem, 3vw, 1.9rem);
  display: grid;
  gap: 1.1rem;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
}

.page-products .prod-cta h2 {
  margin: 0 0 0.5rem;
  font-family: var(--font-serif);
  font-size: var(--step-h3);
  font-weight: 800;
  color: var(--paper-white);
}

.page-products .prod-cta p {
  margin: 0 0 0.5rem;
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(246, 241, 229, 0.92);
}

.page-products .prod-cta__contact {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  color: var(--paper-yellow);
}

.page-products .prod-cta .btn {
  justify-self: start;
  background: var(--paper-white);
  color: var(--ink-green-deep);
  border-color: var(--ink-green-deep);
  box-shadow: 5px 5px 0 var(--ink-green-deep);
}

.page-products .prod-cta .btn:hover {
  background: var(--paper-yellow);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-products .choice,
  .page-products .choice-note {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-products .prod-cta {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .page-products .pack-item {
    grid-template-columns: 5.4rem minmax(0, 1fr) 6.2rem;
    gap: 0.15rem 1rem;
  }

  .page-products .pack-item__meta {
    grid-column: 2;
  }

  .page-products .pack-item .tag {
    grid-column: 3;
    grid-row: 1 / span 2;
    justify-self: end;
    align-self: center;
    margin-top: 0;
  }
}

@media (min-width: 900px) {
  .page-products .prod-hero__inner {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 0.85fr);
    align-items: end;
  }

  .page-products .prod-body {
    grid-template-columns: 196px minmax(0, 1fr);
    align-items: start;
  }

  .page-products .prod-index {
    position: sticky;
    top: 1.5rem;
  }

  .page-products .prod-index__list {
    grid-auto-flow: row;
    grid-auto-columns: auto;
    overflow-x: visible;
    gap: 0.1rem;
  }

  .page-products .prod-index__link {
    white-space: normal;
    border-bottom: 0;
    border-left: 2px solid transparent;
    padding-left: 0.6rem;
  }

  .page-products .prod-index__link:hover,
  .page-products .prod-index__link:focus-visible {
    border-bottom-color: transparent;
    border-left-color: var(--cinnabar);
  }

  .page-products .catalog-wrap {
    grid-template-columns: minmax(0, 1fr) 240px;
    align-items: start;
  }

  .page-products .guide-figure {
    margin-top: 1.4rem;
  }
}

@media (min-width: 1040px) {
  .page-products .fee-layout {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 0.8fr);
    align-items: start;
  }

  .page-products .catalog-wrap {
    grid-template-columns: minmax(0, 1fr) 280px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pack-item,
  .page-products .prod-index__link,
  .page-products .faq-fold {
    transition: none;
  }

  .page-products .pack-item:hover,
  .page-products .pack-item:focus-within {
    transform: none;
  }
}
<<<END>>>