.page-products {
  --p-scope-gap: 72px;
  padding-block: 28px 96px;
  color: var(--ice);
  font-family: var(--font-body);
}

.page-products [id] {
  scroll-margin-top: 116px;
}

/* ---------- 面包屑上下文 ---------- */
.page-products .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--carbon);
  margin-bottom: 22px;
}

.page-products .breadcrumbs__link {
  color: var(--carbon);
  text-decoration: none;
  transition: color var(--dur);
}

.page-products .breadcrumbs__link:hover {
  color: var(--cyan);
}

.page-products .breadcrumbs__sep {
  color: var(--line-soft);
}

/* ---------- 首屏 ---------- */
.page-products .biz-hero {
  padding-bottom: 44px;
  border-bottom: 1px solid var(--line);
}

.page-products .biz-hero .eyebrow {
  display: inline-block;
  padding: 5px 14px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: rgba(52, 227, 212, .08);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan);
  margin: 0;
}

.page-products .biz-hero h1 {
  margin: 18px 0 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(28px, 7.6vw, 50px);
  line-height: 1.18;
  letter-spacing: .05em;
  color: var(--white);
  max-width: 20ch;
}

.page-products .biz-hero__lead {
  margin: 20px 0 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--ice);
  opacity: .88;
}

.page-products .biz-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 34px 0 0;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-products .biz-stat {
  background: var(--panel);
  padding: 18px 16px;
  min-width: 0;
}

.page-products .biz-stat dt {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--carbon);
  line-height: 1.5;
}

.page-products .biz-stat__num {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 30px;
  line-height: 1;
  color: var(--cyan);
  letter-spacing: .02em;
}

/* ---------- 章节骨架 ---------- */
.page-products .biz-section {
  padding-top: var(--p-scope-gap);
}

.page-products .biz-section__head {
  margin-bottom: 26px;
  max-width: 68ch;
}

.page-products .biz-section__head .section__index {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--orange);
}

.page-products .biz-section__head .section__title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(23px, 5vw, 34px);
  line-height: 1.28;
  letter-spacing: .05em;
  color: var(--white);
}

.page-products .biz-section__head .section__lead {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ice);
  opacity: .82;
}

/* ---------- 图形容器 ---------- */
.page-products .biz-figure {
  margin: 0 0 26px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--ink-deep);
}

.page-products .biz-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--ink-deep);
}

.page-products .biz-figure--wide img { aspect-ratio: 16 / 10; }
.page-products .biz-figure--tall img { aspect-ratio: 10 / 6.5; }
.page-products .biz-figure--strip img { aspect-ratio: 2 / 1; }

.page-products .biz-figure__cap {
  padding: 12px 18px;
  border-top: 1px solid var(--line-soft);
  background: rgba(6, 17, 28, .7);
  font-size: 13px;
  line-height: 1.7;
  color: var(--carbon);
}

/* ---------- 对照表 ---------- */
.page-products .matrix-layout {
  display: grid;
  gap: 20px;
}

.page-products .matrix-group {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--panel);
  overflow: hidden;
}

.page-products .matrix-group + .matrix-group {
  margin-top: 14px;
}

.page-products .matrix-group__head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-size: 17px;
  letter-spacing: .05em;
  color: var(--white);
  transition: background var(--dur);
}

.page-products .matrix-group__head::-webkit-details-marker { display: none; }

.page-products .matrix-group__head:hover {
  background: rgba(52, 227, 212, .06);
}

.page-products .matrix-group__head::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cyan);
}

.page-products .matrix-group[open] .matrix-group__head::after {
  content: "－";
}

.page-products .matrix-group__dot {
  flex: none;
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background: var(--cyan);
}

.page-products .matrix-group__count {
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--carbon);
}

.page-products .matrix-group .table-wrap {
  overflow-x: auto;
  border-top: 1px solid var(--line-soft);
}

.page-products .matrix-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .matrix-table th {
  text-align: left;
  padding: 10px 14px;
  background: var(--ink-deep);
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--carbon);
  white-space: nowrap;
}

.page-products .matrix-table td {
  padding: 12px 14px;
  border-top: 1px solid var(--line-soft);
  color: var(--ice);
  line-height: 1.65;
  vertical-align: top;
}

.page-products .matrix-table td:first-child {
  width: 58px;
  font-family: var(--font-mono);
  color: var(--carbon);
  letter-spacing: .06em;
}

.page-products .matrix-table td:last-child {
  width: 92px;
  white-space: nowrap;
}

.page-products .matrix-table tbody tr:nth-child(even) td {
  background: rgba(27, 59, 73, .38);
}

.page-products .matrix-table tbody tr:hover td {
  background: rgba(52, 227, 212, .09);
}

.page-products .matrix-table .chip {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: rgba(52, 227, 212, .07);
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: .04em;
}

/* ---------- 粘性索引 ---------- */
.page-products .matrix-rail {
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: rgba(6, 17, 28, .55);
  padding: 14px;
}

.page-products .matrix-rail__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--carbon);
}

.page-products .matrix-rail__list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-products .matrix-rail__list::-webkit-scrollbar { display: none; }

.page-products .matrix-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-soft);
  background: var(--panel);
  color: var(--ice);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur), border-color var(--dur);
}

.page-products .matrix-rail__link .mono {
  font-size: 11px;
  color: var(--carbon);
}

.page-products .matrix-rail__link:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 四档权益 ---------- */
.page-products .tier-grid {
  display: grid;
  gap: 16px;
}

.page-products .tier {
  display: flex;
  flex-direction: column;
  padding: 20px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--panel);
}

.page-products .tier:nth-child(2) { border-color: rgba(52, 227, 212, .24); }
.page-products .tier:nth-child(3) { border-color: rgba(52, 227, 212, .34); }
.page-products .tier:nth-child(4) {
  border-color: rgba(52, 227, 212, .5);
  background: linear-gradient(170deg, rgba(52, 227, 212, .1), rgba(19, 44, 66, .92) 62%);
}

.page-products .tier__level {
  margin: 0;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--carbon);
}

.page-products .tier__name {
  margin: 8px 0 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 25px;
  letter-spacing: .08em;
  color: var(--white);
}

.page-products .tier__scope {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ice);
  opacity: .85;
}

.page-products .tier__details {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
}

.page-products .tier__details summary {
  cursor: pointer;
  list-style: none;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-products .tier__details summary::-webkit-details-marker { display: none; }

.page-products .tier__details summary::before {
  content: "＋ ";
  font-family: var(--font-mono);
}

.page-products .tier__details[open] summary::before { content: "－ "; }

.page-products .tier__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .tier__list li {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ice);
  opacity: .9;
}

.page-products .tier__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background: var(--mint);
}

/* ---------- 适配环境 ---------- */
.page-products .env-grid {
  display: grid;
  gap: 14px;
}

.page-products .env-card {
  padding: 20px 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: var(--ink-deep);
}

.page-products .env-card__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--orange);
}

.page-products .env-card__title {
  margin: 9px 0 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: .06em;
  color: var(--white);
}

.page-products .env-list {
  margin: 14px 0 0;
  display: grid;
  gap: 11px;
}

.page-products .env-list dt {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--carbon);
}

.page-products .env-list dd {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--ice);
}

.page-products .env-res {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.page-products .env-res li {
  padding: 8px 10px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-sm);
  background: var(--slate);
  font-size: 13px;
  color: var(--ice);
  text-align: center;
}

.page-products .env-note {
  margin-top: 18px;
  padding: 18px 20px;
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--cyan);
  background: rgba(19, 44, 66, .6);
}

.page-products .env-note__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: .06em;
  color: var(--white);
}

.page-products .env-note p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ice);
  opacity: .86;
}

/* ---------- 服务路径 ---------- */
.page-products .path-list {
  list-style: none;
  margin: 0 0 30px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .path-step {
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding: 16px 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--panel);
}

.page-products .path-step::after {
  content: "";
  position: absolute;
  left: 37px;
  bottom: -15px;
  width: 1px;
  height: 14px;
  background: var(--line);
}

.page-products .path-step:last-child::after { display: none; }

.page-products .path-step__num {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--ink-deep);
  font-size: 14px;
  color: var(--cyan);
}

.page-products .path-step__main { min-width: 0; }

.page-products .path-step__title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: .05em;
  line-height: 1.35;
  color: var(--white);
}

.page-products .path-step__main > p {
  margin: 9px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ice);
  opacity: .85;
}

.page-products .path-step__more {
  margin-top: 12px;
}

.page-products .path-step__more summary {
  cursor: pointer;
  list-style: none;
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--cyan);
}

.page-products .path-step__more summary::-webkit-details-marker { display: none; }

.page-products .path-step__more summary::before {
  content: "＋ ";
  font-family: var(--font-mono);
}

.page-products .path-step__more[open] summary::before { content: "－ "; }

.page-products .path-step__panel {
  margin-top: 10px;
  padding: 12px 14px;
  border-radius: var(--r-sm);
  background: rgba(6, 17, 28, .75);
  border: 1px solid var(--line-soft);
}

.page-products .path-step__panel p {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--ice);
  opacity: .88;
}

/* ---------- 版本迭代 ---------- */
.page-products .version-band {
  display: grid;
  gap: 1px;
  margin-bottom: 26px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-products .version-band__cell {
  background: var(--ink-deep);
  padding: 20px 18px;
}

.page-products .version-band__num {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 32px;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--cyan);
}

.page-products .version-band__label {
  margin: 8px 0 0;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--carbon);
}

.page-products .version-notes {
  display: grid;
  gap: 14px;
}

.page-products .version-note {
  padding: 18px 18px 20px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: rgba(19, 44, 66, .5);
}

.page-products .version-note__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: .05em;
  color: var(--white);
}

.page-products .version-note p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ice);
  opacity: .86;
}

/* ---------- 结尾引导 ---------- */
.page-products .biz-cta {
  margin-top: var(--p-scope-gap);
  padding: 30px 22px 32px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(120% 140% at 12% 0%, rgba(52, 227, 212, .12), transparent 58%),
    linear-gradient(150deg, rgba(19, 44, 66, .95), rgba(6, 17, 28, .95));
  text-align: center;
}

.page-products .biz-cta__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(21px, 4.6vw, 28px);
  letter-spacing: .06em;
  color: var(--white);
}

.page-products .biz-cta__text {
  margin: 14px auto 0;
  max-width: 58ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ice);
  opacity: .85;
}

.page-products .biz-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-top: 22px;
}

.page-products .biz-cta__actions .btn {
  flex: 0 1 auto;
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-products .biz-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

@media (min-width: 760px) {
  .page-products .env-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-products .path-step {
    grid-template-columns: 44px minmax(0, 1fr) 260px;
    align-items: start;
  }

  .page-products .path-step__more {
    margin-top: 10px;
  }

  .page-products .path-step::after {
    left: 37px;
    width: 1px;
  }
}

@media (min-width: 900px) {
  .page-products .tier-grid {
    grid-template-columns: 0.84fr 0.94fr 1.06fr 1.18fr;
    align-items: end;
  }

  .page-products .tier:nth-child(1) { margin-bottom: 54px; }
  .page-products .tier:nth-child(2) { margin-bottom: 36px; }
  .page-products .tier:nth-child(3) { margin-bottom: 18px; }
  .page-products .tier:nth-child(4) { margin-bottom: 0; }

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

@media (min-width: 1080px) {
  .page-products {
    --p-scope-gap: 92px;
  }

  .page-products .matrix-layout {
    grid-template-columns: minmax(0, 1fr) 264px;
    align-items: start;
    gap: 26px;
  }

  .page-products .matrix-rail {
    position: sticky;
    top: 108px;
  }

  .page-products .matrix-rail__list {
    flex-direction: column;
    gap: 6px;
    overflow: visible;
  }

  .page-products .matrix-rail__link {
    width: 100%;
    justify-content: space-between;
    border-radius: var(--r-sm);
  }

  .page-products .biz-cta {
    text-align: left;
    padding: 40px 36px 42px;
  }

  .page-products .biz-cta__text {
    margin-left: 0;
    margin-right: 0;
  }

  .page-products .biz-cta__actions {
    justify-content: flex-start;
  }
}