.page-products {
  background: var(--silver);
  color: var(--text);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-products .cat-hero {
  position: relative;
  overflow: hidden;
  color: var(--paper);
  background:
    radial-gradient(120% 92% at 16% 0%, #16345c 0%, rgba(10, 26, 47, 0) 60%),
    linear-gradient(150deg, #0A1A2F 0%, #12294A 58%, #0D2340 100%);
}

.page-products .cat-hero::after {
  content: "";
  position: absolute;
  left: -8%;
  bottom: -34%;
  width: 60%;
  height: 74%;
  background: linear-gradient(120deg, rgba(22, 194, 200, .16), rgba(22, 194, 200, 0) 70%);
  transform: rotate(-8deg);
  pointer-events: none;
}

.page-products .cat-hero-slash {
  position: absolute;
  top: -30%;
  right: 6%;
  width: 22%;
  height: 180%;
  background: linear-gradient(180deg, rgba(255, 107, 44, .20), rgba(255, 107, 44, 0) 72%);
  transform: rotate(16deg);
  pointer-events: none;
}

.page-products .cat-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 28px;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 36px 20px 26px;
}

.page-products .cat-hero .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(215, 222, 232, .62);
}

.page-products .cat-hero .breadcrumb a {
  color: rgba(215, 222, 232, .82);
  text-decoration: none;
  border-bottom: 1px solid rgba(215, 222, 232, .28);
}

.page-products .cat-hero .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(215, 222, 232, .38);
}

.page-products .cat-hero .display-1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(32px, 5.4vw, 66px);
  line-height: 1.1;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-products .cat-lead {
  margin: 18px 0 0;
  max-width: 620px;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(215, 222, 232, .86);
}

.page-products .cat-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .cat-hero-figure {
  margin: 0;
}

.page-products .cat-hero-figure .figure-frame {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border: 1px solid rgba(215, 222, 232, .22);
  border-radius: var(--radius);
  background: linear-gradient(140deg, #16345c, #0A1A2F);
}

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

.page-products .cat-hero-figure .figure-caption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.7;
  color: rgba(215, 222, 232, .62);
}

.page-products .cat-hero-stats {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 20px 26px;
  list-style: none;
}

.page-products .cat-hero-stats li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 14px;
  background: rgba(18, 41, 74, .62);
  border: 1px solid rgba(215, 222, 232, .14);
}

.page-products .stat-num {
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  letter-spacing: .04em;
  color: var(--signal);
}

.page-products .stat-key {
  font-size: 11px;
  letter-spacing: .1em;
  color: rgba(215, 222, 232, .72);
}

/* ---------- 主体骨架 ---------- */
.page-products .cat-body {
  display: grid;
  gap: 22px;
  padding-top: 10px;
  padding-bottom: 68px;
}

.page-products .cat-rail {
  min-width: 0;
}

.page-products .cat-rail > .index-label {
  display: none;
}

.page-products .cat-index {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 12px 0;
  border-top: 1px solid var(--mist);
  border-bottom: 1px solid var(--mist);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.page-products .cat-index::-webkit-scrollbar {
  display: none;
}

.page-products .cat-index a {
  flex: 0 0 auto;
  padding: 7px 13px;
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-products .cat-index a.is-active {
  color: var(--text);
  border-color: var(--signal);
}

.page-products .cat-rail-note {
  display: grid;
  gap: 8px;
  margin-top: 16px;
  padding: 18px;
  border-radius: var(--radius);
  background: linear-gradient(150deg, var(--ink), var(--ink-2));
  color: var(--paper);
}

.page-products .cat-rail-version {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 24px;
  letter-spacing: .04em;
  color: var(--cyan);
}

.page-products .cat-rail-note-text {
  margin: 0 0 4px;
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(215, 222, 232, .72);
}

.page-products .cat-rail-note .btn {
  justify-self: start;
}

/* ---------- 章节通用 ---------- */
.page-products .cat-section {
  padding: 30px 0 10px;
  border-top: 1px solid var(--mist);
  scroll-margin-top: 96px;
}

.page-products .cat-section:first-child {
  padding-top: 6px;
  border-top: 0;
}

.page-products .cat-section-head {
  max-width: 700px;
  margin-bottom: 22px;
}

.page-products .cat-section-head .section-title {
  margin: 8px 0 12px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(24px, 3vw, 38px);
  line-height: 1.2;
  color: var(--text);
}

.page-products .cat-section-lead {
  margin: 0;
  max-width: 660px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 四类服务 ---------- */
.page-products .svc-grid {
  display: grid;
  gap: 16px;
}

.page-products .svc-card {
  position: relative;
  padding: 26px 22px 20px;
  background: var(--paper);
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  box-shadow: var(--shadow-panel);
  transition: box-shadow .25s var(--ease), transform .25s var(--ease);
}

.page-products .svc-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-panel), inset 0 0 0 1px var(--ink);
}

.page-products .svc-card .block-tag {
  position: absolute;
  top: -1px;
  right: -1px;
  padding: 5px 11px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  border-radius: 0 var(--radius) 0 var(--radius);
}

.page-products .svc-title {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 500;
  letter-spacing: .01em;
  color: var(--text);
}

.page-products .svc-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
}

.page-products .svc-list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .svc-list li {
  position: relative;
  padding: 6px 0 6px 16px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .svc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

/* ---------- 六步流程 ---------- */
.page-products .step-wrap {
  display: grid;
  gap: 24px;
}

.page-products .step-list {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .step-card {
  position: relative;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  margin-bottom: 12px;
  padding: 18px 16px 16px;
  background: var(--paper);
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  box-shadow: var(--shadow-panel);
  transition: transform .25s var(--ease);
}

.page-products .step-num {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--mist);
  border-radius: 50%;
  background: var(--silver);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
}

.page-products .step-main {
  min-width: 0;
}

.page-products .step-title {
  margin: 4px 0 8px;
  font-size: 17px;
  font-weight: 500;
  color: var(--text);
}

.page-products .step-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
}

.page-products .step-meta {
  display: flex;
  gap: 8px;
  align-items: baseline;
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .step-meta-key {
  flex: 0 0 auto;
  padding: 2px 7px;
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--cyan-ink);
}

.page-products .cat-step-figure {
  margin: 0;
}

.page-products .cat-step-figure .figure-frame {
  aspect-ratio: 9 / 14;
  overflow: hidden;
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  background: var(--paper);
}

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

.page-products .cat-step-figure .figure-caption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 版本号 ---------- */
.page-products .ver-breakdown {
  display: grid;
  gap: 14px;
  margin-bottom: 22px;
}

.page-products .ver-seg {
  position: relative;
  padding: 22px 18px 18px;
  background: var(--paper);
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .ver-seg::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 3px;
  background: var(--mist);
}

.page-products .ver-seg--main::before {
  background: var(--signal);
}

.page-products .ver-seg--quarter::before {
  background: var(--cyan);
}

.page-products .ver-seg--rev::before {
  background: var(--amber);
}

.page-products .ver-token {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1;
  letter-spacing: .04em;
  color: var(--text);
}

.page-products .ver-role {
  margin: 12px 0 6px;
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--cyan-ink);
}

.page-products .ver-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .cat-ver-figure {
  margin: 0 0 22px;
}

.page-products .cat-ver-figure .figure-frame,
.page-products .cat-cover-figure .figure-frame,
.page-products .cat-bundle-figure .figure-frame {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  background: var(--paper);
}

.page-products .cat-ver-figure img,
.page-products .cat-cover-figure img,
.page-products .cat-bundle-figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-products .cat-ver-figure .figure-caption,
.page-products .cat-cover-figure .figure-caption,
.page-products .cat-bundle-figure .figure-caption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .ver-index-title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 500;
  color: var(--text);
}

.page-products .ver-index-lead {
  margin: 0 0 16px;
  max-width: 640px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-products .ver-cols {
  display: grid;
  gap: 16px;
}

.page-products .ver-col {
  padding: 18px;
  background: var(--paper);
  border: 1px solid var(--mist);
  border-radius: var(--radius);
}

.page-products .ver-col-head {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--mist);
}

.page-products .ver-code {
  font-family: var(--font-mono);
  font-size: 16px;
  letter-spacing: .04em;
  color: var(--text);
}

.page-products .ver-state {
  padding: 3px 8px;
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--cyan-ink);
}

.page-products .ver-col ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .ver-col li {
  position: relative;
  padding: 9px 0 9px 16px;
  border-top: 1px dashed var(--mist);
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .ver-col li:first-child {
  border-top: 0;
}

.page-products .ver-col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
}

/* ---------- 覆盖与服务量 ---------- */
.page-products .cover-scale {
  position: relative;
  height: 26px;
  margin: 4px 0 22px;
  border-bottom: 1px solid var(--mist);
  background: repeating-linear-gradient(90deg, var(--mist) 0 1px, transparent 1px 22px);
}

.page-products .cover-scale::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 68%;
  height: 2px;
  background: var(--cyan);
}

.page-products .cover-metrics {
  display: grid;
  gap: 16px;
}

.page-products .metric {
  padding: 20px 18px;
  background: var(--paper);
  border: 1px solid var(--mist);
  border-radius: var(--radius);
}

.page-products .metric-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.4vw, 38px);
  line-height: 1;
  letter-spacing: .02em;
  color: var(--ink);
}

.page-products .metric-unit {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--cyan-ink);
}

.page-products .metric-desc {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .cat-cover-figure {
  margin: 22px 0 0;
}

/* ---------- 组合建议 ---------- */
.page-products .bundle-grid {
  display: grid;
  gap: 16px;
}

.page-products .bundle {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 20px 20px;
  background: var(--paper);
  border: 1px solid var(--mist);
  border-top: 3px solid var(--mist);
  border-radius: var(--radius);
  transition: transform .25s var(--ease);
}

.page-products .bundle--a {
  border-top-color: var(--signal);
}

.page-products .bundle--b {
  border-top-color: var(--cyan);
}

.page-products .bundle--c {
  border-top-color: var(--amber);
}

.page-products .bundle:hover {
  transform: translateY(-4px);
}

.page-products .bundle .block-tag {
  align-self: flex-start;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
}

.page-products .bundle-title {
  margin: 0;
  font-size: 17px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--text);
}

.page-products .bundle-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text);
}

.page-products .bundle-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--mist);
}

.page-products .bundle-list li {
  position: relative;
  padding: 9px 0 9px 16px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .bundle-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 8px;
  height: 1px;
  background: var(--muted);
}

.page-products .bundle-list a {
  color: var(--cyan-ink);
  text-decoration: none;
  border-bottom: 1px solid rgba(11, 110, 119, .35);
}

.page-products .cat-bundle-figure {
  margin: 22px 0 0;
}

/* ---------- 开始查询 ---------- */
.page-products .cat-start {
  position: relative;
  overflow: hidden;
  margin-top: 28px;
  padding: 34px 22px 32px;
  border-top: 0;
  border-radius: var(--radius);
  background: linear-gradient(140deg, var(--ink), #16345c);
  color: var(--paper);
}

.page-products .cat-start::after {
  content: "";
  position: absolute;
  right: -10%;
  top: -42%;
  width: 46%;
  height: 184%;
  background: linear-gradient(180deg, rgba(255, 107, 44, .22), rgba(255, 107, 44, 0));
  transform: rotate(18deg);
  pointer-events: none;
}

.page-products .cat-start h2 {
  position: relative;
  z-index: 1;
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.2;
  color: var(--paper);
}

.page-products .cat-start p {
  position: relative;
  z-index: 1;
  margin: 0 0 22px;
  max-width: 620px;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(215, 222, 232, .86);
}

.page-products .cat-start-actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .svc-grid {
    gap: 18px;
  }

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

  .page-products .cat-start {
    padding: 40px 32px 38px;
  }
}

@media (min-width: 760px) {
  .page-products .svc-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
    padding-bottom: 28px;
  }

  .page-products .svc-card:nth-child(2n) {
    transform: translateY(26px);
  }

  .page-products .svc-card:nth-child(2n):hover {
    transform: translateY(22px);
  }

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

  .page-products .step-card:nth-child(2n) {
    margin-left: 32px;
  }

  .page-products .step-card:nth-child(3n) {
    margin-left: 14px;
  }

  .page-products .bundle-grid {
    gap: 18px;
  }
}

@media (min-width: 960px) {
  .page-products .cat-hero-inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: center;
    padding: 72px 32px 36px;
  }

  .page-products .cat-hero-stats {
    padding: 0 32px 38px;
  }

  .page-products .cat-hero-stats li {
    padding: 16px 20px;
  }

  .page-products .stat-num {
    font-size: 28px;
  }

  .page-products .bundle-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 1000px) {
  .page-products .cat-body {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
    padding-top: 28px;
    padding-bottom: 96px;
  }

  .page-products .cat-rail {
    position: sticky;
    top: 88px;
  }

  .page-products .cat-rail > .index-label {
    display: block;
    margin: 0 0 12px;
  }

  .page-products .cat-index {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding: 0;
    border-top: 0;
    border-bottom: 0;
  }

  .page-products .cat-index a {
    padding: 11px 0 11px 14px;
    border: 0;
    border-left: 2px solid var(--mist);
    border-radius: 0;
    background: none;
    font-size: 14px;
    white-space: normal;
  }

  .page-products .cat-index a.is-active {
    border-left-color: var(--signal);
    color: var(--text);
    font-weight: 500;
  }
}

@media (min-width: 1080px) {
  .page-products .step-wrap {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 36px;
    align-items: start;
  }

  .page-products .cat-step-figure {
    position: sticky;
    top: 96px;
  }

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

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

@media (prefers-reduced-motion: reduce) {
  .page-products .svc-card,
  .page-products .step-card,
  .page-products .bundle,
  .page-products .cat-index a {
    transition: none;
  }

  .page-products .svc-card:hover,
  .page-products .svc-card:nth-child(2n):hover,
  .page-products .bundle:hover {
    transform: none;
  }
}