.page-products {
  --pr-slot: rgba(138, 160, 180, 0.22);
  --pr-rule-soft: rgba(42, 52, 64, 0.14);
  display: block;
  overflow-x: clip;
}

/* ---------- 通用图框 ---------- */
.page-products .media-frame {
  position: relative;
  display: block;
  margin: 0;
  overflow: hidden;
  background: var(--ink-700);
  border: 1px solid var(--edge);
}
.page-products .media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.74) contrast(1.04);
}
.page-products .media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1.2px);
  background-size: 3px 3px;
  opacity: 0.7;
}

/* ---------- 首屏 ---------- */
.page-products .pr-hero {
  position: relative;
  background:
    radial-gradient(110% 80% at 88% 0%, rgba(200, 145, 47, 0.18), transparent 62%),
    linear-gradient(180deg, var(--ink-900), var(--ink-800));
  color: var(--paper);
  padding-block: clamp(16px, 2vw, 24px) clamp(44px, 6vw, 86px);
}
.page-products .pr-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg,
    var(--amber) 0 58%,
    var(--coral) 58% 72%,
    var(--celadon) 72% 88%,
    rgba(138, 160, 180, 0.35) 88% 100%);
}

.page-products .pr-hero .breadcrumbs {
  color: var(--steel);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}
.page-products .pr-hero .breadcrumbs a {
  color: var(--amber-bright);
  text-decoration: none;
}
.page-products .pr-hero .breadcrumbs a:hover,
.page-products .pr-hero .breadcrumbs a:focus-visible {
  text-decoration: underline;
}

.page-products .pr-hero-grid {
  display: grid;
  gap: clamp(26px, 3.4vw, 52px);
  align-items: center;
  margin-top: clamp(20px, 3vw, 40px);
}
.page-products .pr-hero-copy {
  display: grid;
  gap: clamp(14px, 1.8vw, 20px);
}
.page-products .pr-hero-copy .kicker {
  margin: 0;
  color: var(--amber-bright);
}
.page-products .pr-hero h1 {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(2.05rem, 5.2vw, 3.8rem);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-products .pr-lede {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(1rem, 1.15vw, 1.08rem);
  line-height: 1.85;
  color: rgba(244, 237, 225, 0.82);
}
.page-products .pr-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-products .pr-hero-facts {
  list-style: none;
  margin: 0;
  padding: clamp(16px, 2vw, 22px) 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  border-top: 1px solid var(--edge);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--steel);
}
.page-products .pr-hero-facts strong {
  margin-right: 3px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--amber-bright);
}
.page-products .pr-hero-art {
  aspect-ratio: 16 / 10;
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}

/* ---------- 三栏对照台 ---------- */
.page-products .pr-bench {
  background: var(--ink-800);
  color: var(--paper);
  padding-block: clamp(44px, 6vw, 86px);
  border-top: 1px solid var(--edge);
}
.page-products .pr-bench-head .kicker {
  margin: 0;
  color: var(--amber-bright);
}
.page-products .pr-bench-head h2 {
  margin: 10px 0 0;
  max-width: 22ch;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.6rem, 3.4vw, 2.5rem);
  line-height: 1.2;
  color: var(--paper);
}
.page-products .pr-bench-lede {
  margin: 14px 0 0;
  max-width: 62ch;
  line-height: 1.85;
  color: rgba(244, 237, 225, 0.78);
}

.page-products .pr-toc {
  margin-top: clamp(22px, 3vw, 34px);
  padding-block: 12px;
  border-top: 1px solid var(--edge);
  border-bottom: 1px solid var(--edge);
  overflow-x: auto;
  scrollbar-width: none;
}
.page-products .pr-toc::-webkit-scrollbar { display: none; }
.page-products .pr-toc-list {
  display: flex;
  gap: 8px 22px;
  margin: 0;
  padding: 0;
  list-style: none;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 0.82rem;
}
.page-products .pr-toc-list li { list-style: none; }
.page-products .pr-toc-list a {
  display: inline-block;
  padding-bottom: 2px;
  color: var(--steel);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}
.page-products .pr-toc-list a:hover,
.page-products .pr-toc-list a:focus-visible,
.page-products .pr-toc-list a[aria-current="location"] {
  color: var(--amber-bright);
  border-bottom-color: var(--amber);
}

.page-products .pr-bench-grid {
  margin-top: clamp(24px, 3.4vw, 40px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--pr-slot);
  border: 1px solid var(--pr-slot);
  clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 28px 100%, 0 calc(100% - 28px));
}

.page-products .pr-col {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(22px, 2.4vw, 32px);
  background: var(--ink-800);
}
.page-products .pr-col-kicker {
  margin: 0;
  color: var(--amber-bright);
}
.page-products .pr-col > h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.1rem, 1.7vw, 1.35rem);
  line-height: 1.35;
  color: var(--paper);
}
.page-products .pr-col-lede {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: rgba(244, 237, 225, 0.76);
}
.page-products .pr-note {
  margin: 0;
  padding-left: 12px;
  border-left: 2px solid var(--amber);
  font-size: 0.84rem;
  line-height: 1.75;
  color: var(--steel);
}
.page-products .pr-col-figure {
  margin-top: auto;
  aspect-ratio: 3 / 2;
}

/* 栏目树 */
.page-products .pr-tree-art {
  width: 100%;
  max-width: 240px;
  height: auto;
  color: var(--celadon);
  opacity: 0.8;
}
.page-products .pr-tree {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.92rem;
}
.page-products .pr-tree ul {
  list-style: none;
  margin: 6px 0 0;
  padding-left: 16px;
  border-left: 1px solid rgba(63, 140, 123, 0.42);
}
.page-products .pr-tree li {
  position: relative;
  padding-block: 3px;
}
.page-products .pr-tree ul > li::before {
  content: "";
  position: absolute;
  left: -16px;
  top: 1em;
  width: 12px;
  height: 1px;
  background: rgba(63, 140, 123, 0.6);
}
.page-products .pr-tree-node {
  display: inline-block;
  font-weight: 600;
  color: var(--paper);
}
.page-products .pr-tree-leaf {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--steel);
}

/* 时间轴 */
.page-products .pr-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 22px;
  border-left: 1px solid rgba(138, 160, 180, 0.35);
}
.page-products .pr-tl-item {
  position: relative;
  padding-bottom: 18px;
}
.page-products .pr-tl-item:last-child { padding-bottom: 0; }
.page-products .pr-tl-item::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink-800);
  border: 1px solid var(--steel);
}
.page-products .pr-tl-item--now::before {
  background: var(--coral);
  border-color: var(--coral);
  box-shadow: 0 0 0 4px rgba(226, 114, 91, 0.2);
}
.page-products .pr-tl-date {
  display: inline-block;
  padding-bottom: 1px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: var(--steel);
  border-bottom: 1px solid rgba(200, 145, 47, 0.5);
}
.page-products .pr-tl-item--now .pr-tl-date {
  font-size: 1rem;
  color: var(--coral);
  border-bottom-color: var(--coral);
}
.page-products .pr-tl-title {
  margin: 4px 0 0;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--paper);
}
.page-products .pr-tl-note {
  margin: 4px 0 0;
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--steel);
}

/* 对照视图 */
.page-products .pr-compare {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--pr-slot);
  border: 1px solid var(--pr-slot);
}
.page-products .pr-cmp-slot {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px;
  background: var(--ink-700);
}
.page-products .pr-cmp-time {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--amber-bright);
}
.page-products .pr-cmp-meta {
  margin: 0;
  display: grid;
  gap: 6px;
  font-size: 0.8rem;
}
.page-products .pr-cmp-meta > div {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 8px;
}
.page-products .pr-cmp-meta dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--steel);
}
.page-products .pr-cmp-meta dd {
  margin: 0;
  line-height: 1.55;
  color: rgba(244, 237, 225, 0.86);
}

/* ---------- 按服务范围收藏 ---------- */
.page-products .pr-saved {
  background: var(--paper);
  color: var(--text-ink);
  padding-block: clamp(44px, 6vw, 86px);
}
.page-products .pr-saved-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3.6vw, 52px);
  align-items: center;
}
.page-products .pr-saved-copy .kicker {
  margin: 0;
  color: var(--amber);
}
.page-products .pr-saved h2 {
  margin: 10px 0 0;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1.24;
  color: var(--text-ink);
}
.page-products .pr-saved-copy > p:not(.kicker) {
  margin: 14px 0 0;
  max-width: 58ch;
  line-height: 1.85;
  color: var(--text-ink);
}
.page-products .pr-saved-points {
  list-style: none;
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-products .pr-saved-points li {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding-top: 14px;
  border-top: 1px solid var(--pr-rule-soft);
}
.page-products .pr-point-mark {
  width: 10px;
  height: 10px;
  margin-top: 6px;
  background: var(--coral);
  clip-path: polygon(0 0, 100% 0, 100% 70%, 70% 100%, 0 100%);
}
.page-products .pr-saved-points p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--text-ink);
}
.page-products .pr-saved-points strong {
  display: block;
  margin-bottom: 2px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.98rem;
}
.page-products .pr-saved-art {
  aspect-ratio: 1 / 1;
}

/* ---------- 导出 ---------- */
.page-products .pr-export {
  background: var(--ink-900);
  color: var(--paper);
  padding-block: clamp(44px, 6vw, 86px);
}
.page-products .pr-export-head .kicker {
  margin: 0;
  color: var(--amber-bright);
}
.page-products .pr-export-head h2 {
  margin: 10px 0 0;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1.24;
  color: var(--paper);
}
.page-products .pr-export-head > p:not(.kicker) {
  margin: 14px 0 0;
  max-width: 60ch;
  line-height: 1.85;
  color: rgba(244, 237, 225, 0.78);
}
.page-products .pr-formats {
  margin-top: clamp(24px, 3.4vw, 40px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--pr-slot);
  border: 1px solid var(--pr-slot);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}
.page-products .pr-format {
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--ink-800);
}
.page-products .pr-format-name {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: 0.06em;
  color: var(--amber-bright);
}
.page-products .pr-format-use {
  margin: 6px 0 0;
  font-size: 0.86rem;
  color: var(--steel);
}
.page-products .pr-format-fields {
  margin: clamp(14px, 2vw, 20px) 0 0;
  display: grid;
}
.page-products .pr-format-fields > div {
  display: grid;
  grid-template-columns: minmax(0, 0.45fr) minmax(0, 1fr);
  gap: 12px;
  padding: 9px 0;
  border-top: 1px solid var(--edge);
  font-size: 0.84rem;
}
.page-products .pr-format-fields dt {
  font-family: var(--font-mono);
  color: var(--steel);
}
.page-products .pr-format-fields dd {
  margin: 0;
  color: rgba(244, 237, 225, 0.88);
}
.page-products .pr-export-note {
  margin-top: clamp(22px, 3vw, 34px);
  display: grid;
  gap: 16px;
  align-items: center;
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--ink-800);
  border-left: 3px solid var(--amber);
}
.page-products .pr-export-note p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: rgba(244, 237, 225, 0.82);
}
.page-products .pr-export-note .btn { justify-self: start; }
.page-products .pr-export-art {
  margin-top: clamp(24px, 3.4vw, 40px);
  aspect-ratio: 21 / 9;
}

/* ---------- 上手路径 ---------- */
.page-products .pr-paths {
  background: var(--page);
  color: var(--text-ink);
  padding-block: clamp(44px, 6vw, 86px);
}
.page-products .pr-paths-head .kicker {
  margin: 0;
  color: var(--amber);
}
.page-products .pr-paths-head h2 {
  margin: 10px 0 0;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1.24;
  color: var(--text-ink);
}
.page-products .pr-paths-head p:not(.kicker) {
  margin: 14px 0 0;
  max-width: 60ch;
  line-height: 1.85;
  color: var(--text-ink);
}
.page-products .pr-paths-grid {
  margin-top: clamp(24px, 3.4vw, 40px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2vw, 24px);
}
.page-products .pr-path {
  padding: clamp(20px, 2.4vw, 28px);
  background: var(--paper);
  border: 1px solid var(--pr-rule-soft);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.page-products .pr-path:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 26px rgba(11, 27, 43, 0.16);
}
.page-products .pr-path-who {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--celadon);
}
.page-products .pr-path h3 {
  margin: 8px 0 0;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  line-height: 1.4;
  color: var(--text-ink);
}
.page-products .pr-path-steps {
  counter-reset: prstep;
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-products .pr-path-steps li {
  counter-increment: prstep;
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 8px;
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--text-ink);
}
.page-products .pr-path-steps li::before {
  content: counter(prstep, decimal-leading-zero);
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--amber);
}
.page-products .pr-paths-more {
  margin: clamp(24px, 3vw, 34px) 0 0;
  padding-top: 18px;
  border-top: 1px solid rgba(42, 52, 64, 0.2);
  font-size: 0.9rem;
  line-height: 1.9;
  color: var(--text-ink);
}
.page-products .pr-paths-more a {
  color: var(--text-ink);
  text-decoration: underline;
  text-decoration-color: var(--amber);
  text-underline-offset: 3px;
}
.page-products .pr-paths-more a:hover,
.page-products .pr-paths-more a:focus-visible {
  color: var(--amber);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-products .pr-compare { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
}

@media (min-width: 780px) {
  .page-products .pr-paths-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-products .pr-formats { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .page-products .pr-export-note { grid-template-columns: minmax(0, 1fr) auto; }
}

@media (min-width: 880px) {
  .page-products .pr-hero-grid { grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr); }
  .page-products .pr-saved-grid { grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); }
}

@media (min-width: 1000px) {
  .page-products .pr-bench-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr) minmax(0, 1fr);
  }
}

@media (max-width: 600px) {
  .page-products .pr-hero-facts { font-size: 0.76rem; gap: 8px 20px; }
  .page-products .pr-bench-grid { clip-path: none; }
  .page-products .pr-formats { clip-path: none; }
  .page-products .pr-export-art { aspect-ratio: 16 / 10; }
}
<<<END>>>