.page-products {
  --prod-gap: clamp(16px, 2.6vw, 28px);
  --prod-index-w: 200px;
  --prod-rail-w: 232px;
  --prod-hair: 1px solid var(--line);
}

/* ============ 首屏 ============ */
.page-products .prod-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(18px, 3vw, 34px) clamp(26px, 4vw, 52px);
}

.page-products .prod-hero::after {
  content: "";
  position: absolute;
  top: -80px;
  right: -16%;
  width: 60%;
  height: 280px;
  background: linear-gradient(100deg, rgba(23, 162, 107, 0) 0%, rgba(23, 162, 107, 0.24) 46%, rgba(53, 194, 214, 0.14) 100%);
  transform: skewY(-6deg);
  pointer-events: none;
  z-index: 0;
}

.page-products .prod-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--prod-gap);
  align-items: end;
}

@media (min-width: 900px) {
  .page-products .prod-hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.8fr);
  }
}

.page-products .prod-hero__main h1 {
  margin: 12px 0 16px;
  font-size: clamp(29px, 4.4vw, 52px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.page-products .prod-hero__lead {
  max-width: 34em;
  margin: 0;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--label);
  opacity: 0.9;
}

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-products .prod-hero__tiles {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-tile {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 16px 14px;
  background: var(--stand);
  border: var(--prod-hair);
  border-radius: 2px;
}

.page-products .prod-tile::before {
  content: "";
  position: absolute;
  left: 16px;
  top: -1px;
  width: 32px;
  height: 3px;
  background: var(--field);
}

.page-products .prod-tile--wide {
  grid-column: span 2;
}

.page-products .prod-tile__k {
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-products .prod-tile__v {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  line-height: 1;
  color: var(--turf);
}

/* ============ 整体骨架 ============ */
.page-products .prod-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--prod-gap);
  align-items: start;
  padding-block: clamp(18px, 3vw, 34px) clamp(40px, 6vw, 78px);
}

@media (min-width: 1040px) {
  .page-products .prod-layout {
    grid-template-columns: var(--prod-index-w) minmax(0, 1fr) var(--prod-rail-w);
  }
}

/* ============ 左侧目录 ============ */
.page-products .prod-index {
  min-width: 0;
}

.page-products .prod-index__inner {
  padding: 14px;
  background: var(--stand);
  border: var(--prod-hair);
  border-radius: 2px;
}

@media (min-width: 1040px) {
  .page-products .prod-index__inner {
    position: sticky;
    top: 92px;
    max-height: calc(100vh - 120px);
    overflow: auto;
  }
}

.page-products .prod-index__list {
  display: flex;
  gap: 8px;
  margin: 10px 0 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .prod-index__list a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  white-space: nowrap;
  font-size: 13.5px;
  color: var(--label);
  text-decoration: none;
  border: var(--prod-hair);
  border-radius: 2px;
  transition: border-color var(--ease), color var(--ease), background-color var(--ease);
}

.page-products .prod-index__list a:hover {
  border-color: var(--turf);
  color: var(--turf);
}

.page-products .prod-index__list .mono {
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--field);
}

.page-products .prod-index__list a:hover .mono {
  color: var(--turf);
}

@media (min-width: 1040px) {
  .page-products .prod-index__list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-products .prod-index__list a {
    white-space: normal;
  }
}

/* ============ 右侧资料入口 ============ */
.page-products .prod-rail {
  min-width: 0;
}

.page-products .prod-rail__sticky {
  padding: 16px;
  background: linear-gradient(180deg, rgba(23, 162, 107, 0.16), rgba(18, 37, 61, 0.92));
  border: 1px solid var(--field);
  border-radius: 2px;
}

@media (min-width: 1040px) {
  .page-products .prod-rail__sticky {
    position: sticky;
    top: 92px;
  }
}

.page-products .prod-rail__title {
  margin: 10px 0 6px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-products .prod-rail__text {
  margin: 0 0 14px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--label);
  opacity: 0.82;
}

.page-products .prod-rail__list {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
}

.page-products .prod-rail__list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 7px 0;
  font-size: 13.5px;
  border-bottom: 1px dashed var(--line);
}

.page-products .prod-rail__list .mono {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

/* ============ 章节 ============ */
.page-products .prod-body {
  min-width: 0;
}

.page-products .prod-sec {
  padding-block: clamp(26px, 3.6vw, 44px);
  border-top: var(--prod-hair);
}

.page-products .prod-body > .prod-sec:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .prod-sec .section-head {
  display: grid;
  gap: 6px;
  margin-bottom: 10px;
}

.page-products .prod-sec .section-head__no {
  font-size: 14px;
  letter-spacing: 0.18em;
  color: var(--field);
}

.page-products .prod-sec .section-head__title {
  margin: 0;
  font-size: clamp(20px, 2.4vw, 29px);
  line-height: 1.26;
  letter-spacing: -0.015em;
  font-weight: 800;
}

.page-products .prod-sec__sub {
  max-width: 46em;
  margin: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .prod-sec .prose p {
  margin: 0 0 14px;
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.85;
  color: var(--label);
}

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

.page-products .prod-sec .media-frame {
  margin: 20px 0 0;
}

/* 三种跳转方式 */
.page-products .prod-jumps {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.page-products .prod-jumps__item {
  display: grid;
  grid-template-columns: minmax(0, 84px) minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14.5px;
  line-height: 1.7;
}

.page-products .prod-jumps__k {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-products .prod-jumps__v {
  color: var(--label);
  opacity: 0.88;
}

/* 筛选维度标签 */
.page-products .prod-dims {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-dims li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  font-size: 13.5px;
  background: var(--stand);
  border: var(--prod-hair);
  border-radius: 2px;
}

.page-products .prod-dims .mono {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

/* 竖图与文字并排 */
.page-products .prod-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--prod-gap);
  align-items: start;
}

.page-products .prod-split .media-frame {
  margin: 0;
}

@media (min-width: 700px) {
  .page-products .prod-split--tall {
    grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
  }
}

/* 步骤条 */
.page-products .prod-steps {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-products .prod-steps li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 12px 14px;
  font-size: 14.5px;
  line-height: 1.72;
  background: var(--stand);
  border: var(--prod-hair);
  border-left: 3px solid var(--field);
  border-radius: 2px;
}

.page-products .prod-steps .mono {
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

/* 战报三层 */
.page-products .prod-layers {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-products .prod-layers li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 12px 14px;
  font-size: 14.5px;
  line-height: 1.7;
  background: rgba(18, 37, 61, 0.72);
  border: var(--prod-hair);
  border-radius: 2px;
}

.page-products .prod-layers .mono {
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--signal);
}

/* 资料文件卡 */
.page-products .prod-files {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 640px) {
  .page-products .prod-files {
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  }
}

.page-products .prod-file {
  position: relative;
  padding: 16px 18px 16px 18px;
  background: var(--stand);
  border: var(--prod-hair);
  border-radius: 2px;
  transition: border-color var(--ease), transform var(--ease);
}

.page-products .prod-file::after {
  content: "";
  position: absolute;
  top: 6px;
  right: 6px;
  width: 13px;
  height: 13px;
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
}

.page-products .prod-file:hover {
  border-color: var(--turf);
  transform: translateY(-2px);
}

.page-products .prod-file__no {
  display: block;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--field);
}

.page-products .prod-file__name {
  margin: 8px 0 6px;
  font-size: 16.5px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-products .prod-file__desc {
  margin: 0 0 12px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--label);
  opacity: 0.82;
}

/* 可展开说明 */
.page-products .prod-more {
  margin: 18px 0 0;
  background: var(--stand);
  border: var(--prod-hair);
  border-radius: 2px;
}

.page-products .prod-more > summary {
  padding: 13px 16px;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--turf);
  cursor: pointer;
}

.page-products .prod-more > summary::marker {
  color: var(--field);
}

.page-products .prod-more__body {
  padding: 0 16px 16px;
}

.page-products .prod-more__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--label);
  opacity: 0.86;
}

/* 字段清单 */
.page-products .prod-fields {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--prod-hair);
}

.page-products .prod-fields li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 11px 8px;
  border-bottom: var(--prod-hair);
  font-size: 14px;
  line-height: 1.7;
  transition: background-color var(--ease);
}

.page-products .prod-fields li:hover {
  background: rgba(79, 209, 165, 0.08);
}

.page-products .prod-fields .mono {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-products .prod-fields li > span:last-child {
  color: var(--label);
  opacity: 0.85;
}

@media (min-width: 620px) {
  .page-products .prod-fields li {
    grid-template-columns: minmax(0, 168px) minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

/* 四步流程 */
.page-products .prod-flow {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

@media (min-width: 760px) {
  .page-products .prod-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    position: relative;
  }

  .page-products .prod-flow::before {
    content: "";
    position: absolute;
    left: 12.5%;
    right: 12.5%;
    top: 18px;
    height: 2px;
    background: linear-gradient(90deg, var(--field), var(--turf), var(--cyan));
    z-index: 0;
  }
}

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

.page-products .prod-flow__step a {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 3px 12px;
  align-items: center;
  padding: 10px 8px;
  text-decoration: none;
  border-radius: 2px;
  transition: background-color var(--ease);
}

.page-products .prod-flow__step a:hover {
  background: rgba(18, 37, 61, 0.85);
}

.page-products .prod-flow__dot {
  grid-row: span 2;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--field);
  background: var(--night);
  border: 2px solid var(--field);
  border-radius: 50%;
  transition: border-color var(--ease), color var(--ease);
}

.page-products .prod-flow__step a:hover .prod-flow__dot {
  border-color: var(--signal);
  color: var(--signal);
}

.page-products .prod-flow__name {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--label);
}

.page-products .prod-flow__note {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
}

@media (min-width: 760px) {
  .page-products .prod-flow__step a {
    grid-template-columns: minmax(0, 1fr);
    justify-items: center;
    text-align: center;
    gap: 9px;
    padding: 0 8px;
  }

  .page-products .prod-flow__dot {
    grid-row: auto;
  }
}

/* 收尾 */
.page-products .prod-outro {
  margin-top: clamp(28px, 4vw, 46px);
  padding: clamp(20px, 3vw, 32px);
  background: linear-gradient(135deg, rgba(23, 162, 107, 0.18), rgba(10, 21, 38, 0.6));
  border: 1px solid var(--field);
  border-radius: 2px;
}

.page-products .prod-outro__title {
  margin: 0 0 10px;
  font-size: clamp(18px, 2.2vw, 24px);
  line-height: 1.3;
  letter-spacing: -0.015em;
  font-weight: 800;
}

.page-products .prod-outro__text {
  max-width: 38em;
  margin: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--label);
  opacity: 0.85;
}

.page-products .prod-outro__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-outro__links a {
  display: inline-block;
  padding: 9px 16px;
  font-size: 13.5px;
  color: var(--turf);
  text-decoration: none;
  background: rgba(10, 21, 38, 0.72);
  border: 1px solid var(--line);
  border-radius: 2px;
  transition: border-color var(--ease), color var(--ease);
}

.page-products .prod-outro__links a:hover {
  border-color: var(--turf);
  color: var(--label);
}

/* 图片兜底 */
.page-products .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
<<<END>>>