.page-products {
  --prod-max: 1180px;
  --prod-gutter: clamp(1rem, 4vw, 2.5rem);
  background: var(--shell-bg);
  color: var(--txt);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-products .prod-wrap {
  width: 100%;
  max-width: var(--prod-max);
  margin-inline: auto;
  padding-inline: var(--prod-gutter);
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(1.25rem, 3vw, 2.25rem) clamp(2.5rem, 7vw, 5rem);
  background:
    radial-gradient(120% 100% at 88% -10%, rgba(180, 35, 43, 0.45) 0%, rgba(180, 35, 43, 0) 62%),
    radial-gradient(80% 80% at 5% 110%, rgba(52, 211, 192, 0.12) 0%, rgba(52, 211, 192, 0) 60%),
    linear-gradient(165deg, #0E1512 0%, #121a17 52%, #0E1512 100%);
}

.page-products .prod-hero::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--red), var(--gold) 50%, var(--cyan));
  opacity: 0.6;
}

.page-products .prod-hero__inner {
  position: relative;
  z-index: 1;
}

.page-products .prod-hero__ring {
  position: absolute;
  top: 50%;
  right: -7rem;
  width: 26rem;
  height: 26rem;
  transform: translateY(-50%);
  opacity: 0.22;
  pointer-events: none;
  display: none;
}

.page-products .prod-hero__ring svg {
  width: 100%;
  height: 100%;
  display: block;
}

.page-products .prod-crumbs {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0 0 1.5rem;
  padding: 0;
  font-family: var(--font-index);
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  color: var(--txt-dim);
}

.page-products .prod-crumbs li + li::before {
  content: "/";
  margin-right: 0.4rem;
  color: var(--gold);
}

.page-products .prod-crumbs a {
  color: var(--gold-light);
  text-decoration: none;
}

.page-products .prod-crumbs a:hover {
  text-decoration: underline;
}

.page-products .prod-hero h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.85rem, 5vw, 3.2rem);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--txt-strong);
}

.page-products .prod-hero__lead {
  margin: 0 0 1.75rem;
  max-width: 42rem;
  font-size: 1.03rem;
  line-height: 1.85;
  color: var(--txt);
}

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ---------- 通用章节 ---------- */
.page-products .prod-section {
  position: relative;
  padding-block: var(--pad-block);
  scroll-margin-top: 5rem;
}

.page-products .prod-section + .prod-section {
  border-top: 1px solid var(--line-soft);
}

.page-products .eyebrow {
  margin: 0 0 0.5rem;
  font-family: var(--font-index);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-products .section-head {
  margin-bottom: 1.5rem;
}

.page-products .section-title {
  margin: 0 0 0.7rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.45rem, 3.4vw, 2.15rem);
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--txt-strong);
}

.page-products .prod-sub {
  margin: 0;
  max-width: 48rem;
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--txt-dim);
}

.page-products .prod-text p {
  margin: 0 0 1rem;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--txt);
}

.page-products .prod-text p:last-child {
  margin-bottom: 0;
}

.page-products .prod-link {
  display: inline-block;
  font-family: var(--font-index);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  color: var(--gold-light);
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 164, 65, 0.55);
  padding-bottom: 0.15rem;
}

.page-products .prod-link:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 场景切换 ---------- */
.page-products .scene-tabs {
  display: flex;
  gap: 0.3rem;
  margin-bottom: 1.25rem;
  padding: 0.3rem;
  border: 1px solid var(--line-gold);
  background: rgba(18, 59, 50, 0.4);
  border-radius: var(--radius);
  overflow-x: auto;
  scrollbar-width: none;
}

.page-products .scene-tabs::-webkit-scrollbar {
  display: none;
}

.page-products .scene-tab {
  flex: 1 0 auto;
  min-width: 6.8rem;
  padding: 0.7rem 1rem;
  font-family: var(--font-index);
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  color: var(--txt-dim);
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-products .scene-tab:hover {
  color: var(--gold-light);
}

.page-products .scene-tab[aria-selected="true"] {
  color: var(--cream);
  background: var(--red);
  border-bottom-color: var(--gold-light);
}

.page-products .scene-panel {
  padding: 1.25rem 1.25rem 1.4rem;
  border: 1px solid var(--line-gold);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(180, 35, 43, 0.16), rgba(14, 21, 18, 0.92) 58%);
}

.page-products .scene-panel + .scene-panel {
  margin-top: 1rem;
}

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

.page-products .scene-panel h3 {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--txt-strong);
}

.page-products .scene-panel p {
  margin: 0 0 0.85rem;
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--txt);
}

.page-products .scene-panel ul {
  margin: 0 0 1rem;
  padding-left: 1.1rem;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--txt-dim);
}

.page-products .scene-panel ul li + li {
  margin-top: 0.3rem;
}

/* ---------- 图文与栅格 ---------- */
.page-products .split {
  display: grid;
  gap: 1.5rem;
}

.page-products .prod-grid2 {
  display: grid;
  gap: 1.25rem;
}

.page-products .prod-media {
  margin: 0 0 1.5rem;
  padding: 0.5rem;
  border: 1px solid var(--line-gold);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(180, 35, 43, 0.14), rgba(14, 21, 18, 0.92));
  overflow: hidden;
}

.page-products .prod-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 1px;
}

.page-products .media__note {
  margin: 0.6rem 0 0;
  font-family: var(--font-index);
  font-size: 0.71rem;
  letter-spacing: 0.04em;
  line-height: 1.6;
  color: var(--txt-dim);
}

.page-products .prod-media--tall img {
  max-width: 24rem;
  margin-inline: auto;
}

.page-products .check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-products .check-list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--txt-dim);
}

.page-products .check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.6rem;
  height: 0.6rem;
  border: 1px solid var(--gold);
  transform: rotate(45deg);
}

/* ---------- 12 项显示优化 ---------- */
.page-products .opt-list {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-products .opt-item {
  display: grid;
  grid-template-columns: 2.1rem 1fr;
  align-items: baseline;
  column-gap: 0.55rem;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--gold);
  border-radius: var(--radius);
  background: rgba(18, 59, 50, 0.24);
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-products .opt-item:hover,
.page-products .opt-item:focus-within {
  border-color: var(--line-gold);
  background: rgba(180, 35, 43, 0.16);
}

.page-products .opt-item:focus-visible {
  outline: 2px solid var(--gold-light);
  outline-offset: 2px;
}

.page-products .opt-num {
  grid-row: 1;
  font-family: var(--font-index);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-products .opt-name {
  grid-row: 1;
  font-size: 0.94rem;
  font-weight: 500;
  color: var(--txt-strong);
  line-height: 1.6;
}

.page-products .opt-note {
  grid-column: 2;
  margin-top: 0.3rem;
  font-size: 0.84rem;
  line-height: 1.65;
  color: var(--txt-dim);
}

.page-products .shortcut-box {
  padding: 1rem 1.1rem 1.15rem;
  border: 1px dashed var(--line-gold);
  border-radius: var(--radius);
  background: rgba(11, 107, 96, 0.14);
}

.page-products .shortcut-title {
  margin: 0 0 0.7rem;
  font-family: var(--font-index);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--gold-light);
}

.page-products .shortcut-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-products .shortcut-list a {
  display: inline-block;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--line-gold);
  border-radius: 999px;
  font-size: 0.84rem;
  color: var(--txt);
  text-decoration: none;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-products .shortcut-list a:hover {
  background: var(--gold);
  color: var(--ink);
}

/* ---------- 旧版本资料包 ---------- */
.page-products .archive-col {
  display: block;
}

.page-products .spine-list {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-products .spine {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.35rem;
  min-width: 5.2rem;
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--line-gold);
  border-top: 3px solid var(--red);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(122, 18, 26, 0.55), rgba(14, 21, 18, 0.92));
}

.page-products .spine-year {
  font-family: var(--font-index);
  font-size: 0.92rem;
  letter-spacing: 0.06em;
  color: var(--gold-light);
}

.page-products .spine-ver {
  font-family: var(--font-index);
  font-size: 0.71rem;
  letter-spacing: 0.08em;
  color: var(--txt-dim);
}

/* ---------- 对照表 ---------- */
.page-products .table-wrap {
  margin-top: 0.5rem;
  overflow-x: auto;
  background: rgba(9, 15, 12, 0.65);
  outline: 1px solid var(--line-gold);
  outline-offset: -1px;
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
}

.page-products .prod-table {
  width: 100%;
  min-width: 38rem;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.page-products .prod-table thead th {
  text-align: left;
  padding: 0.85rem 1rem;
  font-family: var(--font-index);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  font-weight: 500;
  color: var(--ink);
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  white-space: nowrap;
}

.page-products .prod-table tbody td {
  padding: 0.9rem 1rem;
  border-top: 1px solid var(--line-soft);
  line-height: 1.7;
  color: var(--txt);
  vertical-align: top;
}

.page-products .prod-table tbody tr:nth-child(odd) {
  background: rgba(18, 59, 50, 0.2);
}

.page-products .prod-table tbody tr:hover {
  background: rgba(217, 164, 65, 0.1);
}

.page-products .prod-table a {
  color: var(--gold-light);
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 164, 65, 0.5);
}

.page-products .prod-table a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 取用方式 ---------- */
.page-products .prod-cta {
  display: grid;
  gap: 1.25rem;
  padding: clamp(1.4rem, 4vw, 2.5rem);
  border: 1px solid var(--line-gold);
  border-radius: var(--radius);
  background:
    radial-gradient(90% 120% at 0% 0%, rgba(180, 35, 43, 0.34) 0%, rgba(180, 35, 43, 0) 62%),
    linear-gradient(0deg, #101a16, #0E1512);
}

.page-products .prod-cta .section-title {
  margin-bottom: 0.85rem;
}

.page-products .prod-text-last {
  margin: 0;
  max-width: 44rem;
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--txt);
}

.page-products .prod-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: flex-start;
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-products .opt-note {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    margin-top: 0;
    transition: max-height 0.25s var(--ease), opacity 0.25s var(--ease), margin-top 0.25s var(--ease);
  }

  .page-products .opt-item:hover .opt-note,
  .page-products .opt-item:focus-within .opt-note {
    max-height: 6rem;
    opacity: 1;
    margin-top: 0.3rem;
  }
}

@media (min-width: 860px) {
  .page-products .prod-grid2 {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 2.25rem;
    align-items: start;
  }

  .page-products .split {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: start;
  }

  .page-products .split--wide-left {
    grid-template-columns: 1.15fr 0.85fr;
  }

  .page-products .split--wide-right {
    grid-template-columns: 1.15fr 0.85fr;
  }

  .page-products .prod-cta {
    grid-template-columns: 1.35fr 0.65fr;
    align-items: center;
  }

  .page-products .prod-cta__actions {
    justify-content: flex-end;
  }

  .page-products .chapter--shift-right {
    margin-left: clamp(0rem, 2.5vw, 2.25rem);
  }

  .page-products .chapter--shift-left {
    margin-right: clamp(0rem, 2.5vw, 2.25rem);
  }

  .page-products .spine-list {
    flex-wrap: nowrap;
    gap: 0.45rem;
  }

  .page-products .spine {
    flex: 1 1 0;
    min-width: 0;
    align-items: center;
    justify-content: flex-start;
    gap: 0.75rem;
    min-height: 12rem;
    padding: 0.9rem 0.4rem;
    border-top-width: 3px;
  }

  .page-products .spine-year,
  .page-products .spine-ver {
    writing-mode: vertical-rl;
    text-align: center;
  }

  .page-products .spine-year {
    font-size: 0.86rem;
    letter-spacing: 0.14em;
  }
}

@media (min-width: 1024px) {
  .page-products .prod-hero {
    padding-block: clamp(1.5rem, 3vw, 2.5rem) clamp(3rem, 6vw, 5.5rem);
  }

  .page-products .prod-hero__inner {
    max-width: 46rem;
    margin-left: 0;
  }

  .page-products .prod-hero__ring {
    display: block;
    opacity: 0.26;
  }

  .page-products .prod-hero h1 {
    line-height: 1.2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .opt-note,
  .page-products .opt-item,
  .page-products .scene-tab,
  .page-products .shortcut-list a {
    transition: none;
  }
}
<<<END>>>