.page-products {
  --svc-rule: rgba(21, 106, 138, 0.45);
  --svc-rule-soft: rgba(21, 106, 138, 0.28);
  --svc-pad: 24px;
  padding-top: var(--header-h);
  background: var(--night);
  color: var(--cool);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-products *,
.page-products *::before,
.page-products *::after {
  box-sizing: border-box;
}

.page-products .svc-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

/* ---------- 面包屑 ---------- */
.page-products .svc-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: calc(var(--svc-pad) + 4px) 0 4px;
  font-size: var(--step-12);
}

.page-products .crumbs__item {
  color: var(--cool-mid);
  text-decoration: none;
  font-family: var(--font-narrow);
  letter-spacing: 0.06em;
}

.page-products a.crumbs__item:hover,
.page-products a.crumbs__item:focus-visible {
  color: var(--signal);
}

.page-products .svc-crumbs__sep {
  color: var(--ridge);
}

/* ---------- 首屏 ---------- */
.page-products .svc-hero {
  position: relative;
  isolation: isolate;
  padding: 28px 0 44px;
}

.page-products .svc-hero::before {
  content: "";
  position: absolute;
  inset: -32px 0 -12px;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(88% 82% at 4% 0%, rgba(79, 209, 224, 0.17), transparent 62%),
    radial-gradient(66% 70% at 98% 92%, rgba(255, 106, 43, 0.13), transparent 66%);
}

.page-products .svc-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--signal) 0%, var(--ridge) 38%, transparent 100%);
  opacity: 0.75;
}

.page-products .svc-hero__eyebrow {
  margin: 0 0 10px;
}

.page-products .svc-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 8vw, 4.5rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--cool);
}

.page-products .svc-hero__title em {
  font-style: normal;
  color: var(--amber);
}

.page-products .svc-hero__lead {
  max-width: 64ch;
  margin: 0;
  font-size: var(--step-16);
  line-height: 1.85;
  color: var(--cool);
  opacity: 0.88;
}

.page-products .svc-hero__stats {
  list-style: none;
  margin: 30px 0 0;
  padding: 20px 0 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 20px;
  border-top: 1px solid var(--svc-rule);
}

.page-products .svc-hero__stat {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.page-products .svc-hero__num {
  font-size: 26px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--amber);
}

.page-products .svc-hero__lbl {
  font-size: var(--step-12);
  letter-spacing: 0.05em;
  color: var(--cool-mid);
}

/* ---------- 布局 ---------- */
.page-products .svc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 26px 0 48px;
}

.page-products .svc-flow {
  min-width: 0;
}

/* ---------- 左侧数据轴 ---------- */
.page-products .svc-rail {
  padding: 14px 0 8px;
  border-top: 1px solid var(--svc-rule);
}

.page-products .svc-rail__cap {
  margin: 0 0 10px;
  font-family: var(--font-narrow);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cool-mid);
}

.page-products .svc-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-products .svc-rail__link {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px 8px 14px;
  font-family: var(--font-narrow);
  font-size: var(--step-12);
  letter-spacing: 0.05em;
  color: var(--cool-mid);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s ease;
}

.page-products .svc-rail__link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  bottom: 7px;
  width: 2px;
  background: var(--ridge);
  transition: background 0.2s ease, width 0.2s ease;
}

.page-products .svc-rail__link:hover,
.page-products .svc-rail__link:focus-visible {
  color: var(--cool);
}

.page-products .svc-rail__link:hover::before,
.page-products .svc-rail__link:focus-visible::before {
  background: var(--signal);
}

.page-products .svc-rail__link[aria-current="true"] {
  color: var(--amber);
}

.page-products .svc-rail__link[aria-current="true"]::before {
  width: 3px;
  background: var(--amber);
}

.page-products .svc-rail__num {
  font-size: 10px;
  color: var(--cool-mid);
  opacity: 0.85;
}

.page-products .svc-rail__link[aria-current="true"] .svc-rail__num {
  color: var(--amber);
  opacity: 1;
}

/* ---------- 章节 ---------- */
.page-products .svc-sec {
  padding: 34px 0 12px;
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.page-products .svc-sec::before {
  content: "";
  display: block;
  height: 5px;
  margin-bottom: 26px;
  background-image: repeating-linear-gradient(90deg, var(--ridge) 0 1px, transparent 1px 14px);
  opacity: 0.6;
}

.page-products .svc-sec__head {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  margin-bottom: 16px;
}

.page-products .svc-sec__idx {
  display: block;
  padding-top: 3px;
  font-size: 20px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--amber);
}

.page-products .svc-sec__head .eyebrow {
  margin: 0 0 4px;
}

.page-products .svc-sec__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 5vw, 2.15rem);
  line-height: 1.26;
  letter-spacing: -0.01em;
  color: var(--cool);
}

.page-products .svc-p {
  max-width: 68ch;
  margin: 0 0 18px;
  font-size: var(--step-16);
  line-height: 1.85;
  color: var(--cool);
  opacity: 0.9;
}

.page-products .svc-p--last {
  margin-top: 22px;
}

.page-products .svc-p a {
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 209, 224, 0.45);
}

.page-products .svc-p a:hover,
.page-products .svc-p a:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

.page-products .svc-note {
  max-width: 68ch;
  margin: 0 0 22px;
  padding-left: 14px;
  border-left: 2px solid var(--ridge);
  font-size: var(--step-14);
  line-height: 1.8;
  color: var(--cool-mid);
}

.page-products .svc-sub {
  margin: 0 0 12px;
  padding-bottom: 8px;
  font-family: var(--font-narrow);
  font-size: var(--step-16);
  letter-spacing: 0.05em;
  color: var(--signal);
  border-bottom: 1px solid var(--svc-rule);
}

.page-products .svc-cols {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  margin-bottom: 22px;
}

.page-products .svc-col {
  min-width: 0;
}

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

.page-products .svc-list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 10px;
  font-size: var(--step-14);
  line-height: 1.78;
  color: var(--cool);
  opacity: 0.88;
}

.page-products .svc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 9px;
  height: 2px;
  background: var(--signal);
}

.page-products .svc-list strong {
  color: var(--lime);
  font-weight: 600;
}

/* ---------- 媒体 ---------- */
.page-products .svc-figure {
  margin: 0 0 26px;
  border: 1px solid var(--svc-rule);
  border-radius: 2px 18px 2px 2px;
  overflow: hidden;
  background: var(--deep);
}

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

.page-products .svc-figure .media__caption {
  padding: 10px 14px;
  border-top: 1px solid var(--svc-rule);
  font-size: var(--step-12);
  letter-spacing: 0.03em;
  color: var(--cool-mid);
}

/* ---------- 表格 ---------- */
.page-products .table-scroll {
  overflow-x: auto;
  margin-bottom: 20px;
  border-top: 1px solid var(--svc-rule);
}

.page-products .svc-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: var(--step-14);
}

.page-products .svc-table__caption {
  caption-side: top;
  padding: 12px 0 10px;
  text-align: left;
  font-family: var(--font-narrow);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cool-mid);
}

.page-products .svc-table thead th {
  padding: 10px 12px;
  text-align: left;
  font-family: var(--font-narrow);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cool-mid);
  white-space: nowrap;
  border-bottom: 1px solid var(--ridge);
}

.page-products .svc-table tbody td {
  padding: 13px 12px;
  vertical-align: top;
  line-height: 1.7;
  color: var(--cool);
  border-bottom: 1px solid var(--svc-rule-soft);
}

.page-products .svc-table tbody tr:hover {
  background: rgba(21, 106, 138, 0.16);
}

.page-products .svc-table__name {
  font-family: var(--font-narrow);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.page-products .svc-table__name .tag {
  margin-right: 8px;
}

/* ---------- 筛选条 ---------- */
.page-products .svc-filters {
  display: grid;
  gap: 14px;
  margin: 0 0 18px;
  padding: 20px 18px;
  background: var(--deep);
  border-left: 3px solid var(--signal);
  border-radius: 2px 16px 2px 2px;
}

.page-products .filter-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-products .filter-group__label {
  flex: 0 0 auto;
  min-width: 60px;
  font-family: var(--font-narrow);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cool-mid);
}

.page-products .chip {
  padding: 5px 11px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.4;
  color: var(--cool-mid);
  background: transparent;
  border: 1px solid rgba(21, 106, 138, 0.9);
  border-radius: var(--radius);
  white-space: nowrap;
}

.page-products .chip--on {
  color: var(--night);
  background: var(--amber);
  border-color: var(--amber);
}

/* ---------- 时间带 ---------- */
.page-products .window-band {
  display: block;
  width: 100%;
  height: auto;
  margin: 4px 0 24px;
}

.page-products .window-band .wb-track rect {
  fill: rgba(14, 58, 79, 0.92);
}

.page-products .window-band .wb-open rect {
  fill: var(--ridge);
}

.page-products .window-band .wb-mid rect {
  fill: var(--signal);
  opacity: 0.72;
}

.page-products .window-band .wb-close rect {
  fill: var(--amber);
  opacity: 0.85;
}

.page-products .window-band .wb-ticks line {
  stroke: var(--ridge);
  stroke-width: 1;
}

.page-products .window-band text {
  font-family: var(--font-mono);
  font-size: 12px;
  fill: var(--cool-mid);
  letter-spacing: 0.02em;
}

/* ---------- 补时刻度尺 ---------- */
.page-products .clock-scale {
  margin: 0 0 24px;
}

.page-products .clock-scale__bar {
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(21, 106, 138, 0.65);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .clock-scale__seg {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2px;
  padding: 12px 14px;
  min-width: 0;
}

.page-products .clock-scale__seg--a {
  background: rgba(21, 106, 138, 0.9);
}

.page-products .clock-scale__seg--b {
  background: rgba(79, 209, 224, 0.22);
}

.page-products .clock-scale__seg--c {
  background: rgba(255, 106, 43, 0.2);
}

.page-products .clock-scale__lbl {
  font-family: var(--font-narrow);
  font-size: var(--step-14);
  letter-spacing: 0.05em;
  color: var(--cool);
}

.page-products .clock-scale__sub {
  font-size: var(--step-12);
  color: var(--cool-mid);
}

/* ---------- 字段字典 ---------- */
.page-products .field-dict {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin: 0 0 26px;
  border-top: 1px solid var(--svc-rule);
}

.page-products .field-dict dt {
  padding: 12px 0 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--lime);
}

.page-products .field-dict dd {
  margin: 0;
  padding: 0 0 12px;
  font-size: var(--step-14);
  line-height: 1.78;
  color: var(--cool);
  opacity: 0.88;
  border-bottom: 1px solid var(--svc-rule-soft);
}

/* ---------- 时间线 ---------- */
.page-products .svc-timeline {
  list-style: none;
  margin: 0 0 8px;
  padding: 0;
  border-left: 1px solid var(--ridge);
}

.page-products .svc-timeline__item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 0 0 20px 20px;
}

.page-products .svc-timeline__item::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 6px;
  width: 7px;
  height: 7px;
  background: var(--lime);
  border-radius: 50%;
}

.page-products .svc-timeline__when {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--amber);
}

.page-products .svc-timeline__what {
  font-size: var(--step-14);
  line-height: 1.75;
  color: var(--cool);
  opacity: 0.88;
}

/* ---------- 相关页面 ---------- */
.page-products .svc-next {
  margin-top: 30px;
  padding-top: 26px;
  border-top: 1px solid var(--svc-rule);
}

.page-products .svc-next__cap {
  margin: 0 0 12px;
  font-family: var(--font-narrow);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cool-mid);
}

.page-products .svc-next__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

.page-products .svc-next__list a {
  display: block;
  padding: 13px 0;
  font-size: var(--step-14);
  line-height: 1.6;
  color: var(--cool);
  text-decoration: none;
  border-bottom: 1px solid var(--svc-rule-soft);
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-products .svc-next__list a:hover,
.page-products .svc-next__list a:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products {
    --svc-pad: 32px;
  }

  .page-products .clock-scale__bar {
    flex-direction: row;
  }

  .page-products .clock-scale__seg {
    padding: 16px 14px;
  }

  .page-products .clock-scale__seg--a {
    flex: 3;
  }

  .page-products .clock-scale__seg--b {
    flex: 4;
  }

  .page-products .clock-scale__seg--c {
    flex: 2;
  }

  .page-products .field-dict {
    grid-template-columns: 148px minmax(0, 1fr);
    column-gap: 20px;
  }

  .page-products .field-dict dt {
    padding: 13px 0;
    border-bottom: 1px solid var(--svc-rule-soft);
  }

  .page-products .field-dict dd {
    padding: 13px 0;
  }

  .page-products .svc-next__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 32px;
  }

  .page-products .svc-timeline__item {
    grid-template-columns: 120px minmax(0, 1fr);
    align-items: baseline;
    gap: 12px;
  }
}

@media (min-width: 860px) {
  .page-products .svc-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px 28px;
  }

  .page-products .svc-cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 34px;
  }

  .page-products .svc-sec {
    padding: 46px 0 16px;
  }

  .page-products .svc-sec__head {
    grid-template-columns: 58px minmax(0, 1fr);
    gap: 16px;
    margin-bottom: 20px;
  }

  .page-products .svc-sec__idx {
    font-size: 24px;
  }
}

@media (min-width: 1024px) {
  .page-products .svc-layout {
    grid-template-columns: 156px minmax(0, 1fr);
    gap: 56px;
    padding-top: 34px;
  }

  .page-products .svc-rail {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    align-self: start;
    max-height: calc(100vh - var(--header-h) - 48px);
    overflow-y: auto;
    border-top: none;
    padding-top: 4px;
  }

  .page-products .svc-rail__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
  }

  .page-products .svc-rail__link {
    width: 100%;
  }

  .page-products .svc-hero {
    padding-bottom: 56px;
  }
}

@media (min-width: 1280px) {
  .page-products .svc-layout {
    grid-template-columns: 172px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .svc-rail__link,
  .page-products .svc-rail__link::before,
  .page-products .svc-next__list a {
    transition: none;
  }
}