.page-products {
  --p-radius: 2px;
  --p-node: 9px;
}

/* ---------- 面包屑与首屏 ---------- */
.page-products .breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--muted);
}

.page-products .breadcrumb__link {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-products .breadcrumb__link:hover,
.page-products .breadcrumb__link:focus-visible {
  color: var(--ice);
  border-bottom-color: var(--cyan);
}

.page-products .cat-crumb__sep {
  color: var(--line);
}

.page-products .breadcrumb__current {
  color: var(--ice);
}

.page-products .cat-hero {
  position: relative;
  padding: clamp(22px, 4vw, 48px) 0 clamp(40px, 7vw, 84px);
  background:
    radial-gradient(88% 68% at 8% 0%, rgba(53, 240, 208, .09), transparent 62%),
    radial-gradient(70% 62% at 102% 6%, rgba(76, 107, 179, .20), transparent 66%);
}

.page-products .cat-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 6vw, 60px);
  margin-top: clamp(26px, 5vw, 52px);
}

.page-products .cat-hero__lead .display-1 {
  margin: 16px 0 0;
  line-height: 1.04;
}

.page-products .cat-hero__lead .lede {
  margin: clamp(20px, 3vw, 30px) 0 0;
  max-width: 36em;
}

.page-products .cat-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 4vw, 36px);
}

/* ---------- 图片容器 ---------- */
.page-products .cat-figure {
  margin: 0;
}

.page-products .cat-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--p-radius);
  background: var(--layer);
}

.page-products .cat-figure--hero img {
  border-color: rgba(53, 240, 208, .28);
}

.page-products .media__caption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: .03em;
  color: var(--muted);
}

/* ---------- 双栏与索引 ---------- */
.page-products .rail-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 56px);
  align-items: start;
}

.page-products .side-index {
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.page-products .side-index__title {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: .3em;
  color: var(--muted);
}

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

.page-products .side-index__list::-webkit-scrollbar {
  display: none;
}

.page-products .side-index__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: var(--p-radius);
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  white-space: nowrap;
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-products .side-index__link:hover,
.page-products .side-index__link:focus-visible {
  color: var(--ice);
  border-color: rgba(53, 240, 208, .55);
  background: rgba(53, 240, 208, .06);
}

.page-products .side-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-products .rail__block {
  margin-top: 26px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--p-radius);
  background: linear-gradient(180deg, var(--layer), rgba(6, 17, 31, .7));
}

.page-products .rail__label {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .3em;
  color: var(--cyan);
}

.page-products .rail__line {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin: 0;
  padding: 7px 0;
  font-size: 12.5px;
  color: var(--muted);
  border-bottom: 1px solid rgba(30, 53, 80, .65);
}

.page-products .rail__line:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

/* ---------- 章节 ---------- */
.page-products .section-block {
  padding: clamp(38px, 6vw, 70px) 0;
  border-top: 1px solid var(--line);
}

.page-products .section-block:first-child {
  border-top: none;
  padding-top: 0;
}

.page-products .section-head {
  display: flex;
  align-items: baseline;
  gap: clamp(14px, 2vw, 24px);
}

.page-products .section-index {
  font-family: var(--font-mono);
  font-size: clamp(19px, 2.4vw, 30px);
  font-weight: 500;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-products .section-head .display-3 {
  margin: 0;
  line-height: 1.16;
}

.page-products .section-rule {
  display: block;
  height: 1px;
  margin: clamp(16px, 3vw, 26px) 0 clamp(22px, 4vw, 38px);
  background: linear-gradient(90deg, var(--cyan), var(--line) 34%, transparent 80%);
  opacity: .75;
}

.page-products .section-block .prose {
  max-width: 38em;
  margin: 0 0 16px;
}

.page-products .section-block .prose:last-child {
  margin-bottom: 0;
}

/* ---------- 技能树 ---------- */
.page-products .tree {
  list-style: none;
  position: relative;
  margin: clamp(24px, 4vw, 38px) 0;
  padding: 0 0 0 26px;
}

.page-products .tree::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 14px;
  bottom: 14px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), rgba(53, 240, 208, .06));
}

.page-products .tree__item {
  position: relative;
  margin-bottom: 16px;
}

.page-products .tree__item:last-child {
  margin-bottom: 0;
}

.page-products .tree__dot {
  position: absolute;
  left: -25px;
  top: 24px;
  width: var(--p-node);
  height: var(--p-node);
  border-radius: 50%;
  background: var(--deep);
  border: 1px solid var(--cyan);
  box-shadow: 0 0 0 3px rgba(53, 240, 208, .10);
}

.page-products .tree__card {
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--p-radius);
  background: linear-gradient(180deg, var(--layer), rgba(12, 27, 46, .55));
  transition: border-color .24s var(--ease), transform .24s var(--ease);
}

.page-products .tree__card:hover {
  border-color: rgba(53, 240, 208, .48);
  transform: translateX(4px);
}

.page-products .tree__card .card__title {
  margin: 12px 0 8px;
  font-size: clamp(16.5px, 1.7vw, 20px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--ice);
}

.page-products .tree__card .prose {
  margin: 0;
  font-size: 14.5px;
}

.page-products .card__meta {
  margin: 14px 0 0;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

/* ---------- 标签 ---------- */
.page-products .tag {
  display: inline-block;
  padding: 3px 10px;
  font-size: 11.5px;
  letter-spacing: .18em;
  border: 1px solid var(--line);
  border-radius: var(--p-radius);
  color: var(--muted);
  background: rgba(6, 17, 31, .6);
}

.page-products .tag--cyan {
  color: var(--cyan);
  border-color: rgba(53, 240, 208, .42);
  background: rgba(53, 240, 208, .07);
}

.page-products .tag--amber {
  color: var(--amber);
  border-color: rgba(255, 194, 75, .42);
  background: rgba(255, 194, 75, .07);
}

/* ---------- 左右分栏 ---------- */
.page-products .cat-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 46px);
  align-items: start;
}

.page-products .cat-split__text .prose {
  max-width: 36em;
}

/* ---------- 状态标记 ---------- */
.page-products .marks {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .marks__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-left-width: 3px;
  border-radius: var(--p-radius);
  background: rgba(12, 27, 46, .55);
}

.page-products .marks__dot {
  width: 10px;
  height: 10px;
  margin-top: 6px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-products .marks__dot--amber {
  background: var(--amber);
  box-shadow: 0 0 0 3px rgba(255, 194, 75, .14);
}

.page-products .marks__dot--ice {
  background: var(--ice);
}

.page-products .marks__name {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ice);
}

.page-products .marks__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 安装步骤对照 ---------- */
.page-products .steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-products .steps__col {
  padding: clamp(16px, 2.2vw, 24px);
  border: 1px solid var(--line);
  border-radius: var(--p-radius);
  background: var(--layer);
}

.page-products .steps__col--local {
  border-color: rgba(53, 240, 208, .42);
  background: linear-gradient(180deg, rgba(53, 240, 208, .08), var(--layer) 46%);
}

.page-products .steps__col--web {
  opacity: .82;
}

.page-products .steps__badge {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 0;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-products .steps__badge .data-num {
  font-family: var(--font-mono);
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-products .steps__col--web .steps__badge .data-num {
  color: var(--muted);
}

.page-products .steps__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .steps__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: baseline;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .steps__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-products .steps__col--web .steps__num {
  color: var(--muted);
}

/* ---------- 注意事项 ---------- */
.page-products .notes {
  list-style: none;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-products .notes__item {
  padding: 16px 0;
  border-bottom: 1px solid rgba(30, 53, 80, .7);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .notes__item strong {
  color: var(--ice);
  font-weight: 700;
  margin-right: 8px;
}

/* ---------- 功能对照表 ---------- */
.page-products .table-wrap {
  margin-top: clamp(22px, 4vw, 34px);
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--p-radius);
  background: var(--layer);
  -webkit-overflow-scrolling: touch;
}

.page-products .matrix {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .matrix__caption {
  padding: 14px 18px;
  text-align: left;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
}

.page-products .matrix th,
.page-products .matrix td {
  padding: 14px 18px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid rgba(30, 53, 80, .7);
}

.page-products .matrix thead th {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .18em;
  color: var(--cyan);
  background: rgba(6, 17, 31, .6);
  white-space: nowrap;
}

.page-products .matrix tbody th {
  font-weight: 600;
  color: var(--ice);
  white-space: nowrap;
}

.page-products .matrix tbody td {
  color: var(--muted);
  line-height: 1.7;
}

.page-products .matrix tbody tr:last-child th,
.page-products .matrix tbody tr:last-child td {
  border-bottom: none;
}

.page-products .matrix .data-num {
  font-family: var(--font-mono);
  letter-spacing: .08em;
  color: var(--cyan);
}

/* ---------- 延伸入口 ---------- */
.page-products .cat-tail {
  margin-top: clamp(44px, 7vw, 84px);
  padding-top: clamp(30px, 5vw, 54px);
  border-top: 1px solid var(--line);
}

.page-products .cat-tail__title {
  margin: 0 0 clamp(20px, 3vw, 30px);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--ice);
}

.page-products .cat-next {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(238px, 1fr));
  gap: 14px;
}

.page-products .cat-next__item {
  display: block;
  padding: clamp(18px, 2.4vw, 24px);
  border: 1px solid var(--line);
  border-radius: var(--p-radius);
  background: linear-gradient(180deg, var(--layer), rgba(6, 17, 31, .8));
  text-decoration: none;
  transition: border-color .24s var(--ease), transform .24s var(--ease), background-color .24s var(--ease);
}

.page-products .cat-next__item:hover,
.page-products .cat-next__item:focus-visible {
  border-color: rgba(53, 240, 208, .55);
  transform: translateY(-3px);
}

.page-products .cat-next__item .card__title {
  margin: 0 0 10px;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ice);
}

.page-products .cat-next__item p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .cat-next__go {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--signal);
}

/* ---------- 桌面端增强 ---------- */
@media (min-width: 880px) {
  .page-products .cat-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
    gap: clamp(32px, 4vw, 56px);
  }

  .page-products .cat-split--flip .cat-split__media {
    order: 1;
  }

  .page-products .cat-split--flip .cat-split__text {
    order: 2;
  }

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

@media (min-width: 920px) {
  .page-products .cat-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
    align-items: end;
    gap: clamp(40px, 6vw, 78px);
  }
}

@media (min-width: 1024px) {
  .page-products .rail-layout {
    grid-template-columns: 246px minmax(0, 1fr);
    gap: clamp(48px, 6vw, 92px);
  }

  .page-products .rail {
    position: sticky;
    top: 112px;
  }

  .page-products .side-index__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-products .side-index__link {
    border: none;
    border-left: 1px solid var(--line);
    border-radius: 0;
    padding: 10px 0 10px 16px;
    white-space: normal;
  }

  .page-products .side-index__link:hover,
  .page-products .side-index__link:focus-visible {
    border-left-color: var(--cyan);
    background: rgba(53, 240, 208, .05);
  }
}

@media (min-width: 1280px) {
  .page-products .cat-hero__lead .lede {
    max-width: 34em;
  }
}
</PAGE_CSS>>>