.page-products {
  --prod-gap: clamp(20px, 3vw, 40px);
  --prod-soft: rgba(255, 249, 238, .82);
}

/* 面包屑 */
.page-products .ry-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: .45em;
  list-style: none;
  margin: 0 0 clamp(16px, 2.6vw, 26px);
  padding: 0;
  font-size: var(--step-1);
  letter-spacing: .14em;
  color: var(--ink-50);
}
.page-products .ry-breadcrumb li {
  display: flex;
  align-items: center;
  gap: .45em;
}
.page-products .ry-breadcrumb li + li::before {
  content: "/";
  color: var(--line);
}
.page-products .ry-breadcrumb a {
  color: var(--blue);
  text-decoration: none;
}
.page-products .ry-breadcrumb a:hover {
  text-decoration: underline;
}

/* 首屏框景 */
.page-products .prod-hero {
  padding: clamp(22px, 3.6vw, 44px) 0 0;
}
.page-products .prod-hero-frame {
  position: relative;
  overflow: hidden;
  background: var(--paper);
  padding: clamp(20px, 3.2vw, 44px);
}
.page-products .prod-hero-frame::after {
  content: "";
  position: absolute;
  top: -70px;
  right: -70px;
  width: 300px;
  height: 300px;
  background: repeating-linear-gradient(45deg, rgba(183, 46, 36, .12) 0 1px, transparent 1px 11px);
  pointer-events: none;
}
.page-products .prod-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3vw, 40px);
  align-items: center;
}
.page-products .prod-hero h1 {
  margin: .45em 0 .55em;
  font-size: clamp(32px, 5.4vw, 64px);
  line-height: 1.06;
  letter-spacing: .04em;
  font-weight: 900;
  color: var(--ink);
}
.page-products .prod-h1-em {
  font-style: normal;
  color: var(--red);
  box-shadow: inset 0 -.18em 0 var(--gold-soft);
}
.page-products .prod-hero .ry-lead {
  max-width: 32em;
  font-size: var(--step-3);
  line-height: 1.85;
  color: var(--ink-70);
  margin: 0;
}
.page-products .prod-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(18px, 2.6vw, 28px);
}
.page-products .prod-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  list-style: none;
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  padding: 0;
  font-size: var(--step-2);
  color: var(--ink-70);
}
.page-products .prod-hero-meta li {
  display: flex;
  align-items: center;
  gap: .55em;
}
.page-products .prod-hero-meta li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
}
.page-products .prod-hero-media {
  margin: 0;
}
.page-products .prod-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
}

/* 四格能力清单压斜切成蓝色块 */
.page-products .prod-caps {
  padding: clamp(30px, 4.4vw, 56px) 0 0;
}
.page-products .prod-caps-slab {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 3.6vw, 52px);
  color: var(--cream);
}
.page-products .prod-caps-slab::before {
  content: "";
  position: absolute;
  left: -12%;
  right: -12%;
  bottom: -46%;
  height: 62%;
  background: repeating-linear-gradient(30deg, rgba(255, 249, 238, .14) 0 1px, transparent 1px 13px);
  pointer-events: none;
}
.page-products .prod-caps-head {
  position: relative;
  z-index: 1;
}
.page-products .prod-caps-head .ry-eyebrow {
  color: var(--gold-soft);
}
.page-products .prod-caps-head h2 {
  margin: .35em 0 .35em;
  font-size: clamp(25px, 3.6vw, 44px);
  line-height: 1.12;
  letter-spacing: .03em;
  color: var(--paper);
}
.page-products .prod-caps-sub {
  margin: 0;
  max-width: 34em;
  font-size: var(--step-3);
  line-height: 1.8;
  color: var(--prod-soft);
}
.page-products .prod-caps-grid {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: clamp(22px, 3vw, 36px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
}
.page-products .prod-cap {
  padding: clamp(16px, 2.4vw, 26px) 0;
  border-top: 1px solid rgba(255, 249, 238, .3);
}
.page-products .prod-cap-num {
  display: inline-block;
  font-size: var(--step-2);
  letter-spacing: .18em;
  color: var(--gold-soft);
}
.page-products .prod-cap h3 {
  margin: .35em 0 .3em;
  font-size: var(--step-4);
  letter-spacing: .04em;
  color: var(--paper);
}
.page-products .prod-cap p {
  margin: 0;
  font-size: var(--step-3);
  line-height: 1.78;
  color: var(--prod-soft);
}

/* 正文区与侧边索引 */
.page-products .prod-body {
  padding-top: clamp(30px, 4.4vw, 60px);
}
.page-products .prod-body-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 44px);
}
.page-products .prod-index .ry-index-title {
  margin: 0 0 .8em;
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: .18em;
  color: var(--ink-50);
}
.page-products .prod-index .ry-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
}
.page-products .prod-index .ry-index-link {
  display: flex;
  align-items: center;
  gap: .6em;
  padding: .3em 0;
  font-size: var(--step-2);
  color: var(--ink-70);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.page-products .prod-index .ry-index-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--line);
}
.page-products .prod-index .ry-index-link:hover {
  color: var(--blue);
}
.page-products .prod-index .ry-index-link[aria-current="true"] {
  color: var(--red);
  border-bottom-color: var(--red);
}
.page-products .prod-index .ry-index-link[aria-current="true"] .ry-index-dot {
  background: var(--red);
}

/* 章节通用 */
.page-products .prod-sec {
  padding-bottom: clamp(30px, 4vw, 56px);
  border-bottom: 1px solid var(--line);
}
.page-products .prod-sec + .prod-sec {
  padding-top: clamp(28px, 3.8vw, 52px);
}
.page-products .prod-main .prod-sec:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.page-products .prod-sec h2 {
  margin: .35em 0 .5em;
  font-size: clamp(25px, 3.4vw, 44px);
  line-height: 1.14;
  letter-spacing: .03em;
  color: var(--ink);
}
.page-products .prod-sec-lead {
  max-width: 34em;
  margin: 0 0 clamp(16px, 2.4vw, 22px);
  font-size: var(--step-3);
  line-height: 1.85;
  color: var(--ink-70);
}
.page-products .prod-sec-tail {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  font-size: var(--step-2);
  color: var(--ink-50);
}
.page-products .prod-sec-tail a {
  color: var(--blue);
  text-underline-offset: 3px;
}
.page-products .prod-note-line {
  margin: 12px 0 0;
  font-size: var(--step-2);
  line-height: 1.7;
  color: var(--ink-70);
  padding-left: 14px;
  border-left: 3px solid var(--gold);
}

/* 图片 */
.page-products .prod-fig {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
}
.page-products .prod-fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
}
.page-products .prod-fig figcaption {
  margin-top: .7em;
  font-size: var(--step-1);
  letter-spacing: .06em;
  color: var(--ink-50);
}
.page-products .prod-fig--wide {
  margin-top: clamp(20px, 3vw, 30px);
}

/* 检索演示 */
.page-products .prod-search-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 32px);
  align-items: start;
}
.page-products .prod-search-split p {
  margin: 0 0 14px;
  font-size: var(--step-3);
  line-height: 1.85;
  color: var(--ink-70);
}
.page-products .prod-demo {
  padding: clamp(14px, 2.2vw, 22px);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 2px;
}
.page-products .prod-demo-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
}
.page-products .prod-demo-chip {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: .06em;
  padding: .38em .7em;
  background: var(--sand);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-70);
}
.page-products .prod-demo-chip--red {
  background: var(--red);
  border-color: var(--red);
  color: var(--paper);
}
.page-products .prod-demo-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-products .prod-demo-list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: .8em 0;
  border-top: 1px solid var(--line);
}
.page-products .prod-demo-list li:first-child {
  border-top: 0;
  padding-top: 0;
}
.page-products .prod-demo-title {
  font-size: var(--step-3);
  line-height: 1.5;
  color: var(--ink);
}
.page-products .prod-demo-meta {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: .05em;
  color: var(--blue);
}

/* 记录对照表 */
.page-products .prod-table-wrap {
  overflow-x: auto;
  border-top: 2px solid var(--ink);
}
.page-products .prod-compare-caption {
  text-align: left;
  padding: .8em 0 .4em;
  font-size: var(--step-1);
  letter-spacing: .12em;
  color: var(--ink-50);
}
.page-products .prod-compare {
  width: 100%;
  min-width: 420px;
  border-collapse: collapse;
  font-size: var(--step-3);
}
.page-products .prod-compare th,
.page-products .prod-compare td {
  padding: .72em .7em;
  text-align: left;
  border-bottom: 1px solid var(--line);
}
.page-products .prod-compare thead th {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  font-weight: 400;
  letter-spacing: .14em;
  color: var(--ink-50);
}
.page-products .prod-compare tbody th {
  font-weight: 400;
  color: var(--ink-70);
}
.page-products .prod-compare td {
  color: var(--ink);
}
.page-products .prod-compare .is-diff {
  background: var(--gold-soft);
}
.page-products .prod-compare .is-diff th,
.page-products .prod-compare .is-diff td {
  font-weight: 700;
  color: var(--ink);
}

/* 下载区 */
.page-products .prod-dl-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 22px);
  align-items: center;
}
.page-products .prod-seal {
  width: clamp(84px, 13vw, 118px);
  height: auto;
  color: var(--red);
}
.page-products .prod-dl-head .prod-sec-lead {
  margin: 0;
}
.page-products .prod-dl {
  list-style: none;
  margin: clamp(18px, 2.8vw, 28px) 0 0;
  padding: 0;
}
.page-products .prod-dl li {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 2px 16px;
  align-items: baseline;
  padding: clamp(14px, 2vw, 20px) 0;
  border-top: 1px solid var(--line);
}
.page-products .prod-dl li:last-child {
  border-bottom: 1px solid var(--line);
}
.page-products .prod-dl-count {
  font-size: var(--step-5);
  line-height: 1;
  color: var(--red);
  letter-spacing: .02em;
}
.page-products .prod-dl-count small {
  font-size: var(--step-1);
  margin-left: 2px;
  color: var(--ink-50);
}
.page-products .prod-dl-name {
  margin: 0;
  font-size: var(--step-4);
  letter-spacing: .05em;
  color: var(--ink);
}
.page-products .prod-dl-desc {
  grid-column: 2;
  margin: .35em 0 0;
  font-size: var(--step-3);
  line-height: 1.8;
  color: var(--ink-70);
}

/* 版本 */
.page-products .prod-versions {
  list-style: none;
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.page-products .prod-versions li {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: .72em 0;
  border-bottom: 1px solid var(--line);
  font-size: var(--step-2);
}
.page-products .prod-v {
  color: var(--blue);
  letter-spacing: .1em;
}
.page-products .prod-vnote {
  color: var(--ink-70);
}
.page-products .prod-versions .is-current {
  background: var(--sand);
}
.page-products .prod-versions .is-current .prod-v {
  color: var(--red);
}
.page-products .prod-versions .is-current .prod-vnote {
  color: var(--ink);
  font-weight: 700;
}
.page-products .prod-changes {
  list-style: none;
  margin: clamp(18px, 2.8vw, 26px) 0 0;
  padding: 0;
}
.page-products .prod-changes li {
  position: relative;
  padding: .3em 0 .3em 26px;
  font-size: var(--step-3);
  line-height: 1.75;
  color: var(--ink);
}
.page-products .prod-changes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .85em;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--teal);
}

/* 使用场景 */
.page-products .prod-usage-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 32px);
  align-items: start;
}
.page-products .prod-usecases {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.page-products .prod-usecases li {
  padding: clamp(14px, 2vw, 20px) 0;
  border-bottom: 1px solid var(--line);
}
.page-products .prod-uc-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: .14em;
  color: var(--red);
  margin-bottom: .5em;
}
.page-products .prod-usecases p {
  margin: 0;
  font-size: var(--step-3);
  line-height: 1.85;
  color: var(--ink-70);
}

/* 三步上手 */
.page-products .prod-steps-band {
  margin-top: clamp(30px, 4.4vw, 60px);
  padding: clamp(32px, 4.6vw, 64px) 0;
  background: var(--red-deep);
  color: var(--paper);
}
.page-products .prod-steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 40px);
  align-items: center;
}
.page-products .prod-steps-band .ry-eyebrow {
  color: var(--gold-soft);
}
.page-products .prod-steps-band h2 {
  margin: .35em 0 .6em;
  font-size: clamp(25px, 3.4vw, 44px);
  line-height: 1.14;
  letter-spacing: .03em;
  color: var(--paper);
}
.page-products .prod-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(255, 249, 238, .3);
}
.page-products .prod-steps li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: clamp(14px, 2vw, 18px) 0;
  border-bottom: 1px solid rgba(255, 249, 238, .3);
}
.page-products .prod-step-num {
  font-size: var(--step-3);
  letter-spacing: .1em;
  color: var(--gold-soft);
}
.page-products .prod-steps h3 {
  margin: 0 0 .3em;
  font-size: var(--step-4);
  letter-spacing: .03em;
  color: var(--paper);
}
.page-products .prod-steps p {
  margin: 0;
  font-size: var(--step-3);
  line-height: 1.78;
  color: var(--prod-soft);
}
.page-products .prod-steps-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(18px, 2.6vw, 26px);
}
.page-products .prod-fig--steps {
  margin: 0;
}
.page-products .prod-fig--steps img {
  border-color: rgba(255, 249, 238, .35);
}
.page-products .prod-fig--steps figcaption {
  color: rgba(255, 249, 238, .7);
}

/* 响应式 */
@media (min-width: 760px) {
  .page-products .prod-caps-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-products .prod-cap {
    padding: clamp(18px, 2.4vw, 26px);
    border-left: 1px solid rgba(255, 249, 238, .3);
  }
  .page-products .prod-cap:nth-child(odd) {
    border-left: 0;
    padding-left: 0;
  }
  .page-products .prod-dl-head {
    grid-template-columns: auto minmax(0, 1fr);
  }
}

@media (min-width: 860px) {
  .page-products .prod-hero-grid {
    grid-template-columns: minmax(0, 6.5fr) minmax(0, 5.5fr);
  }
  .page-products .prod-search-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, .82fr);
  }
  .page-products .prod-usage-split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  }
  .page-products .prod-steps-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  }
  .page-products .prod-versions li {
    grid-template-columns: 90px minmax(0, 1fr);
  }
}

@media (min-width: 980px) {
  .page-products .prod-body-grid {
    grid-template-columns: minmax(0, 232px) minmax(0, 1fr);
    align-items: start;
  }
  .page-products .prod-index {
    position: sticky;
    top: clamp(16px, 3vw, 32px);
  }
  .page-products .prod-index .ry-index-list {
    display: block;
  }
  .page-products .prod-index .ry-index-item,
  .page-products .prod-index .ry-index-list li {
    margin-bottom: .25em;
  }
  .page-products .prod-index .ry-index-link {
    padding: .42em 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-index .ry-index-link {
    transition: none;
  }
}
<<<END>>>