.page-products {
  --pp-line: 2px solid var(--rock);
  --pp-shadow: 6px 6px 0 rgba(0, 0, 0, .5);
  --pp-shadow-sm: 4px 4px 0 rgba(0, 0, 0, .45);
  background: var(--ink);
  color: var(--c-text);
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  padding: clamp(22px, 4vw, 44px) 0 clamp(32px, 5vw, 64px);
  border-bottom: var(--pp-line);
}

.page-products .prod-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  margin-top: clamp(20px, 3vw, 36px);
}

.page-products .prod-hero__kicker {
  margin: 0 0 clamp(12px, 2vw, 18px);
  font-family: var(--font-mono);
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: .2em;
  color: var(--ochre-lt);
  text-transform: uppercase;
}

.page-products .prod-hero h1 {
  margin: 0 0 clamp(14px, 2vw, 22px);
  font-size: clamp(2.05rem, 7.4vw, 4.2rem);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -.02em;
  color: var(--c-text);
}

.page-products .prod-hero__lede {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(.96rem, 1.4vw, 1.08rem);
  line-height: 1.72;
  color: var(--c-dim);
}

.page-products .prod-hero__metrics {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  background: var(--hair);
  border: var(--pp-line);
}

.page-products .prod-hero__metrics li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  background: var(--ink-2);
}

.page-products .prod-metric__n {
  font-family: var(--font-mono);
  font-size: clamp(1.16rem, 2.6vw, 1.7rem);
  font-weight: 600;
  line-height: 1;
  color: var(--ochre-lt);
}

.page-products .prod-metric__l {
  font-size: .78rem;
  line-height: 1.45;
  color: var(--c-dim);
}

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-products .prod-hero__note {
  padding-top: 16px;
  border-top: 4px solid var(--ochre);
  font-size: .9rem;
  line-height: 1.72;
  color: var(--c-dim);
}

.page-products .prod-hero__note p {
  margin: 0;
}

.page-products .prod-hero__note a {
  color: var(--lime);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .prod-note__k {
  margin: 18px 0 4px;
  font-family: var(--font-mono);
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: .16em;
  color: var(--lime);
}

.page-products .prod-hero__note .prod-note__k:first-child {
  margin-top: 0;
}

/* ---------- 图片容器 ---------- */
.page-products .prod-figure {
  margin: 0;
  border: var(--pp-line);
  box-shadow: var(--pp-shadow);
  background: var(--ink-3);
  overflow: hidden;
}

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

.page-products .prod-figure--banner {
  margin-top: clamp(24px, 4vw, 46px);
}

.page-products .prod-figure--banner img {
  height: clamp(160px, 30vw, 360px);
}

.page-products .prod-figure__cap {
  padding: 9px 13px;
  border-top: 1px solid var(--hair);
  background: var(--ink-2);
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .05em;
  color: var(--c-dim);
}

/* ---------- 筛选条 ---------- */
.page-products .prod-filterbar {
  background: var(--ink-2);
  border-bottom: var(--pp-line);
}

.page-products .prod-filterbar__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  padding: 14px 0;
}

.page-products .prod-filter__label {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--c-dim);
}

.page-products .prod-filter__expr {
  padding: 5px 10px;
  border: 1px solid rgba(198, 242, 78, .32);
  background: rgba(198, 242, 78, .07);
  font-family: var(--font-mono);
  font-size: .76rem;
  color: var(--lime);
}

.page-products .prod-filter__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .prod-chip {
  appearance: none;
  padding: 6px 14px;
  border: 2px solid var(--rock);
  background: transparent;
  font-family: var(--font-sans);
  font-size: .8rem;
  color: var(--c-text);
  cursor: pointer;
  transition: border-color .12s var(--ease), background .12s var(--ease), color .12s var(--ease);
}

.page-products .prod-chip:hover {
  border-color: var(--ochre-lt);
}

.page-products .prod-chip[aria-pressed="true"] {
  border-color: var(--lime);
  background: rgba(198, 242, 78, .1);
  color: var(--lime);
}

/* ---------- 通用章节 ---------- */
.page-products .prod-sec {
  padding: clamp(46px, 7vw, 92px) 0;
  border-bottom: var(--pp-line);
}

.page-products .prod-sec:last-of-type {
  border-bottom: 0;
}

.page-products .prod-sec__head {
  display: grid;
  gap: 10px;
  max-width: 760px;
  margin-bottom: clamp(24px, 4vw, 46px);
}

.page-products .prod-sec__head h2 {
  margin: 0;
  font-size: clamp(1.5rem, 3.7vw, 2.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.01em;
  color: var(--c-text);
}

.page-products .prod-sec__lede {
  margin: 0;
  max-width: 64ch;
  font-size: .98rem;
  line-height: 1.75;
  color: var(--c-dim);
}

.page-products .sec-num {
  color: var(--ochre);
}

.page-products .prod-side-note {
  max-width: 68ch;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding-left: 16px;
  border-left: 4px solid var(--rock);
  font-size: .88rem;
  line-height: 1.75;
  color: var(--c-dim);
}

.page-products .prod-side-note--light {
  border-left-color: var(--ochre);
  color: rgba(242, 237, 230, .82);
}

/* ---------- 01 集锦卡片 ---------- */
.page-products .prod-clips {
  display: grid;
  gap: clamp(18px, 2.6vw, 28px);
}

.page-products .prod-clip {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border: var(--pp-line);
  background: var(--ink-2);
  box-shadow: var(--pp-shadow-sm);
  transition: border-color .12s var(--ease), box-shadow .12s var(--ease);
}

.page-products .prod-clip:hover {
  border-color: var(--ochre-lt);
  box-shadow: -4px 4px 0 rgba(0, 0, 0, .45);
}

.page-products .prod-clip__timeline {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--hair);
  background: var(--ink-3);
}

.page-products .prod-clip__len {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--ochre-lt);
  letter-spacing: .02em;
}

.page-products .prod-clip__rule {
  flex: 1;
  height: 2px;
  background: linear-gradient(to right, var(--ochre), rgba(194, 84, 43, 0));
}

.page-products .prod-clip__kind {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .14em;
  color: var(--c-dim);
}

.page-products .prod-clip__body {
  padding: clamp(16px, 2.4vw, 26px);
}

.page-products .prod-clip__code {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--lime);
}

.page-products .prod-clip__body h3 {
  margin: 0 0 10px;
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--c-text);
}

.page-products .prod-clip__body p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.72;
  color: var(--c-dim);
}

.page-products .prod-clip__tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
}

.page-products .prod-clip__figure {
  border: 0;
  border-top: 1px solid var(--hair);
  box-shadow: none;
}

.page-products .prod-clip__figure img {
  height: clamp(170px, 46vw, 260px);
}

/* ---------- 02 栏目类型 ---------- */
.page-products .prod-subtypes {
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0;
  padding: 0;
  background: var(--hair);
  border: var(--pp-line);
}

.page-products .prod-subtype {
  padding: clamp(18px, 2.6vw, 28px);
  background: var(--pine);
}

.page-products .prod-subtype__k {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .16em;
  color: var(--lime);
}

.page-products .prod-subtype h3 {
  margin: 0 0 8px;
  font-size: clamp(1.15rem, 2.2vw, 1.5rem);
  font-weight: 800;
  color: var(--c-text);
}

.page-products .prod-subtype p {
  margin: 0;
  font-size: .89rem;
  line-height: 1.72;
  color: rgba(242, 237, 230, .78);
}

.page-products .prod-sub-facts {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-products .prod-sub-fact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  border: 1px solid rgba(198, 242, 78, .28);
  background: rgba(0, 0, 0, .22);
}

.page-products .prod-sub-fact__n {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--lime);
}

.page-products .prod-sub-fact__l {
  font-size: .82rem;
  line-height: 1.5;
  color: rgba(242, 237, 230, .78);
}

/* ---------- 03 订阅管理 ---------- */
.page-products .prod-manage {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 36px);
}

.page-products .prod-sub-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border: var(--pp-line);
  background: var(--ink-2);
}

.page-products .prod-sub-item {
  border-bottom: 1px solid var(--hair);
}

.page-products .prod-sub-item:last-child {
  border-bottom: 0;
}

.page-products .prod-sub-check {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .prod-sub-label {
  display: grid;
  grid-template-columns: 4px 18px minmax(0, 1fr);
  align-items: center;
  gap: 0 14px;
  padding: 14px 18px;
  cursor: pointer;
  transition: background .12s var(--ease);
}

.page-products .prod-sub-label:hover {
  background: var(--ink-3);
}

.page-products .prod-sub-bar {
  width: 4px;
  height: 24px;
  background: transparent;
  transition: background .12s var(--ease);
}

.page-products .prod-sub-box {
  width: 18px;
  height: 18px;
  border: 2px solid var(--rock);
  transition: background .12s var(--ease), border-color .12s var(--ease);
}

.page-products .prod-sub-name {
  font-size: .92rem;
  line-height: 1.5;
  color: var(--c-text);
}

.page-products .prod-sub-meta {
  display: none;
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--c-dim);
}

.page-products .prod-sub-check:checked ~ .prod-sub-label .prod-sub-bar {
  background: var(--lime);
}

.page-products .prod-sub-check:checked ~ .prod-sub-label .prod-sub-box {
  background: var(--lime);
  border-color: var(--lime);
}

.page-products .prod-sub-check:focus-visible ~ .prod-sub-label .prod-sub-box {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-products .prod-manage__side {
  font-size: .9rem;
  line-height: 1.72;
  color: var(--c-dim);
}

.page-products .prod-manage__side p {
  margin: 0;
}

.page-products .prod-manage__side .prod-note__k {
  margin-top: 20px;
}

.page-products .prod-manage__side .prod-note__k:first-child {
  margin-top: 0;
}

.page-products .prod-manage__side .btn {
  margin-top: 22px;
}

/* ---------- 04 对照面板 ---------- */
.page-products .prod-compare {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 44px);
}

.page-products .prod-compare__metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-products .prod-metric-btn {
  appearance: none;
  padding: 7px 16px;
  border: 2px solid var(--rock);
  background: transparent;
  font-family: var(--font-sans);
  font-size: .84rem;
  color: var(--c-text);
  cursor: pointer;
  transition: border-color .12s var(--ease), background .12s var(--ease), color .12s var(--ease);
}

.page-products .prod-metric-btn:hover {
  border-color: var(--ochre-lt);
}

.page-products .prod-metric-btn[aria-pressed="true"] {
  border-color: var(--ochre);
  background: rgba(194, 84, 43, .18);
  color: var(--ochre-lt);
}

.page-products .prod-chart-wrap {
  padding: clamp(12px, 2vw, 22px) clamp(8px, 1.6vw, 18px) 4px;
  border: var(--pp-line);
  background: rgba(0, 0, 0, .26);
  overflow: hidden;
}

.page-products .prod-chart {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .prod-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 16px;
}

.page-products .prod-legend__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--c-dim);
}

.page-products .prod-legend__item--dim {
  color: var(--rock-lt);
}

.page-products .prod-legend__swatch {
  width: 22px;
  height: 4px;
}

.page-products .prod-legend__swatch--ochre {
  background: var(--ochre);
}

.page-products .prod-legend__swatch--lime {
  background: var(--lime);
}

.page-products .prod-compare__side {
  font-size: .88rem;
  line-height: 1.72;
  color: var(--c-dim);
}

.page-products .prod-compare__side p {
  margin: 0;
}

.page-products .prod-compare__side .prod-note__k {
  margin-top: 18px;
}

.page-products .prod-compare__side .prod-note__k:first-child {
  margin-top: 0;
}

.page-products .prod-figure--tall {
  margin-top: 22px;
}

.page-products .prod-figure--tall img {
  height: clamp(220px, 62vw, 340px);
}

.page-products .prod-compare__side .btn {
  margin-top: 20px;
}

/* ---------- 05 检索 ---------- */
.page-products .prod-search {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--hair);
  border: var(--pp-line);
}

.page-products .prod-search__expr,
.page-products .prod-search__hits {
  padding: clamp(16px, 2.4vw, 26px);
  background: var(--ink-2);
}

.page-products .prod-search__expr-k {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .16em;
  color: var(--c-dim);
}

.page-products .prod-search__expr code {
  display: block;
  font-family: var(--font-mono);
  font-size: .88rem;
  line-height: 1.8;
  color: var(--lime);
  word-break: break-word;
}

.page-products .prod-search__hits {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
}

.page-products .prod-search__hit-n {
  font-family: var(--font-mono);
  font-size: clamp(1.9rem, 4.6vw, 2.8rem);
  font-weight: 600;
  line-height: 1;
  color: var(--ochre-lt);
}

.page-products .prod-search__hit-l {
  font-size: .84rem;
  color: var(--c-dim);
}

.page-products .prod-search__tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 6px 0 0;
  padding: 0;
  width: 100%;
}

/* ---------- 06 条目结构 ---------- */
.page-products .prod-entry-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--hair);
  border: var(--pp-line);
}

.page-products .prod-entry {
  padding: clamp(18px, 2.6vw, 28px);
  background: var(--ink-2);
  transition: background .12s var(--ease);
}

.page-products .prod-entry:hover {
  background: var(--ink-3);
}

.page-products .prod-entry__code {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid rgba(198, 242, 78, .32);
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .08em;
  color: var(--lime);
}

.page-products .prod-entry h3 {
  margin: 14px 0 8px;
  font-size: 1.14rem;
  font-weight: 700;
  color: var(--c-text);
}

.page-products .prod-entry p {
  margin: 0;
  font-size: .88rem;
  line-height: 1.72;
  color: var(--c-dim);
}

/* ---------- 07 跨设备 ---------- */
.page-products .section--paper {
  color: var(--ink);
}

.page-products .section--paper .prod-sec__head h2 {
  color: var(--ink);
}

.page-products .section--paper .prod-sec__lede {
  color: var(--rock);
}

.page-products .section--paper .sec-num {
  color: var(--ochre);
}

.page-products .prod-sync {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 40px);
}

.page-products .section--paper .prod-figure {
  border-color: var(--ink);
  box-shadow: 6px 6px 0 rgba(14, 16, 19, .28);
}

.page-products .section--paper .prod-figure__cap {
  background: var(--ink);
  color: var(--paper);
  border-top-color: var(--ink);
}

.page-products .prod-figure--wide img {
  height: clamp(180px, 44vw, 300px);
}

.page-products .prod-sync__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--ink);
}

.page-products .prod-sync__item {
  display: grid;
  gap: 4px;
  padding: 15px 4px;
  border-bottom: 1px solid rgba(70, 75, 80, .3);
}

.page-products .prod-sync__k {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .12em;
  color: var(--ochre);
}

.page-products .prod-sync__v {
  font-size: .89rem;
  line-height: 1.65;
  color: var(--ink);
}

/* ---------- 08 四步 ---------- */
.page-products .prod-steps {
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0;
  padding: 0;
  background: var(--hair);
  border: var(--pp-line);
  counter-reset: none;
}

.page-products .prod-step {
  padding: clamp(18px, 2.6vw, 28px);
  background: var(--ink-2);
}

.page-products .prod-step__n {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 1.7rem;
  font-weight: 600;
  line-height: 1;
  color: var(--ochre);
}

.page-products .prod-step h3 {
  margin: 0 0 8px;
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--c-text);
}

.page-products .prod-step p {
  margin: 0;
  font-size: .86rem;
  line-height: 1.7;
  color: var(--c-dim);
}

/* ---------- 收尾 ---------- */
.page-products .prod-sec--cta {
  padding-bottom: clamp(48px, 7vw, 96px);
  border-bottom: 0;
}

.page-products .prod-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
  padding: clamp(24px, 4vw, 46px);
  border: var(--pp-line);
  background: linear-gradient(135deg, rgba(42, 36, 64, .9), rgba(18, 58, 50, .75));
}

.page-products .prod-cta__lead h2 {
  margin: 0 0 10px;
  font-size: clamp(1.4rem, 3.4vw, 2.1rem);
  font-weight: 800;
  line-height: 1.12;
  color: var(--c-text);
}

.page-products .prod-cta__lead p {
  margin: 0;
  max-width: 56ch;
  font-size: .92rem;
  line-height: 1.72;
  color: rgba(242, 237, 230, .78);
}

.page-products .prod-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: flex-start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-products .prod-sub-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .prod-sub-meta {
    display: block;
  }

  .page-products .prod-sub-label {
    grid-template-columns: 4px 18px minmax(0, 1fr) auto;
  }

  .page-products .prod-search {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  }

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

@media (min-width: 900px) {
  .page-products .prod-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
    gap: clamp(30px, 4vw, 60px);
  }

  .page-products .prod-hero__metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .prod-clip {
    grid-template-columns: 96px minmax(0, 1fr) minmax(0, 320px);
    align-items: stretch;
  }

  .page-products .prod-clip__timeline {
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 20px 12px 20px 16px;
    border-bottom: 0;
    border-right: 1px solid var(--hair);
  }

  .page-products .prod-clip__rule {
    flex: 1;
    width: 2px;
    height: auto;
    min-height: 60px;
    background: linear-gradient(to bottom, var(--ochre), rgba(194, 84, 43, 0));
  }

  .page-products .prod-clip__figure {
    border-top: 0;
    border-left: 1px solid var(--hair);
  }

  .page-products .prod-clip__figure img {
    height: 100%;
    min-height: 220px;
  }

  .page-products .prod-subtypes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .prod-manage {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: start;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-products .prod-compare {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: start;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-products .prod-entry-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .prod-sync {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-products .prod-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .prod-cta {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: center;
  }
}
<<<END>>>