.page-products {
  --svc-paper-line: rgba(5, 11, 24, .14);
  --svc-ink-soft: rgba(5, 11, 24, .76);
  --svc-line-soft: rgba(42, 52, 66, .72);
  color: var(--paper);
}

.page-products .svc-crumb-sep {
  color: var(--stone);
  font-family: var(--font-mono);
}

.page-products .breadcrumb {
  padding-top: 1.5rem;
  font-size: .82rem;
}

/* ---------- 首屏 ---------- */
.page-products .svc-hero {
  padding: 1.25rem 0 2.75rem;
  border-bottom: 1px solid var(--line);
}

.page-products .svc-hero-title {
  margin: .7rem 0 1.1rem;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.85rem, 6.4vw, 3.3rem);
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--paper);
}

@supports (-webkit-background-clip: text) {
  .page-products .svc-hero-title {
    background: linear-gradient(104deg, var(--paper) 42%, var(--lime) 96%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
}

.page-products .svc-hero-lede {
  max-width: 62ch;
  color: var(--paper-82);
}

.page-products .svc-hero-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem 1.25rem;
  margin: 1.9rem 0 0;
  padding-top: 1.3rem;
  border-top: 1px dashed var(--svc-line-soft);
}

.page-products .svc-hero-meta div {
  display: flex;
  flex-direction: column;
  gap: .25rem;
}

.page-products .svc-hero-meta dt {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--paper-55);
}

.page-products .svc-hero-meta dd {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.45rem;
  line-height: 1.1;
  color: var(--lime);
}

.page-products .svc-hero-meta dd span {
  margin-left: .25rem;
  font-size: .72rem;
  font-weight: 400;
  color: var(--paper-55);
}

/* ---------- 服务总览 ---------- */
.page-products .svc-overview-title {
  max-width: 24ch;
}

.page-products .svc-overview-lede {
  max-width: 60ch;
  margin-top: .75rem;
  color: var(--paper-70);
}

.page-products .svc-board {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 1.9rem;
}

.page-products .svc-board-card {
  position: relative;
  padding: 1.5rem 1.3rem 1.3rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background:
    radial-gradient(120% 100% at 0% 0%, rgba(116, 247, 166, .07), transparent 58%),
    linear-gradient(160deg, rgba(11, 27, 51, .96), rgba(5, 11, 24, .92));
  overflow: hidden;
}

.page-products .svc-board-card::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: linear-gradient(90deg, var(--lime), var(--orange));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 240ms var(--ease);
}

.page-products .svc-board-card:hover::after,
.page-products .svc-board-card:focus-within::after {
  transform: scaleX(1);
}

.page-products .svc-board-index {
  display: block;
  margin-bottom: .55rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .14em;
  color: var(--moss);
}

.page-products .svc-board-card .card-title {
  margin: 0 0 .6rem;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--paper);
}

.page-products .svc-board-card p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.7;
  color: var(--paper-70);
}

.page-products .svc-board-link {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  margin-top: 1rem;
  font-size: .84rem;
  font-weight: 600;
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-products .svc-board-link::after {
  content: "→";
  font-family: var(--font-mono);
}

.page-products .svc-board-link:hover,
.page-products .svc-board-link:focus-visible {
  color: var(--lime);
  border-bottom-color: currentColor;
}

.page-products .svc-board-link--paper {
  color: var(--ink-900);
  border-bottom-color: var(--svc-paper-line);
}

.page-products .svc-board-link--paper:hover,
.page-products .svc-board-link--paper:focus-visible {
  color: var(--clay);
  border-bottom-color: var(--clay);
}

/* ---------- 研究章节 ---------- */
.page-products .svc-study {
  padding: 2.75rem 0;
  border-top: 1px solid var(--line);
}

.page-products .svc-study-head {
  display: flex;
  align-items: flex-start;
  gap: .9rem;
  margin-bottom: 1.6rem;
}

.page-products .svc-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 2rem;
  line-height: .95;
  color: var(--lime);
  opacity: .9;
}

.page-products .svc-study-head .section-title {
  margin: .25rem 0 0;
  font-size: clamp(1.3rem, 4.2vw, 1.85rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-products .svc-study-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

.page-products .svc-study-text p {
  margin: 0 0 1rem;
  max-width: 60ch;
  font-size: .96rem;
  line-height: 1.78;
  color: var(--paper-82);
}

.page-products .svc-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: .9rem;
  margin: 1.5rem 0 1.75rem;
}

.page-products .svc-stat {
  padding-left: .8rem;
  border-left: 2px solid var(--moss);
}

.page-products .svc-stat-value {
  display: block;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.55rem;
  line-height: 1.1;
  color: var(--lime);
}

.page-products .svc-stat-value em {
  margin-left: .2rem;
  font-style: normal;
  font-size: .76rem;
  font-weight: 400;
  color: var(--paper-55);
}

.page-products .svc-stat-label {
  display: block;
  margin-top: .35rem;
  font-size: .78rem;
  line-height: 1.5;
  color: var(--paper-70);
}

/* ---------- 分段切换 ---------- */
.page-products .svc-tabs {
  margin-top: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: rgba(11, 27, 51, .6);
  overflow: hidden;
}

.page-products .svc-tablist {
  display: flex;
  flex-wrap: wrap;
  gap: .25rem;
  padding: .5rem;
  border-bottom: 1px solid var(--line);
}

.page-products .svc-tab {
  flex: 1 1 auto;
  padding: .55rem .85rem;
  border: 0;
  border-radius: var(--radius-pill);
  background: transparent;
  font-family: var(--font-body);
  font-size: .82rem;
  font-weight: 600;
  color: var(--paper-70);
  cursor: pointer;
  transition: background 180ms var(--ease), color 180ms var(--ease);
}

.page-products .svc-tab:hover {
  color: var(--paper);
  background: rgba(42, 52, 66, .7);
}

.page-products .svc-tab[aria-selected="true"] {
  background: var(--lime);
  color: var(--ink-900);
}

.page-products .svc-tab:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-products .svc-panel {
  padding: 1.15rem 1.1rem 1.25rem;
}

.page-products .svc-panel p {
  margin: 0;
  max-width: 58ch;
  font-size: .92rem;
  line-height: 1.78;
  color: var(--paper-82);
}

.page-products .svc-panel:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: -4px;
}

/* ---------- 版本对照（米白纸面） ---------- */
.page-products .svc-study--paper {
  margin: 2rem 0;
  padding: 2.25rem 1.15rem;
  border: 1px solid var(--svc-paper-line);
  border-radius: var(--radius-card);
  background:
    repeating-linear-gradient(180deg, rgba(5, 11, 24, .035) 0 1px, transparent 1px 34px),
    var(--paper);
  color: var(--ink-900);
}

.page-products .svc-study--paper .svc-num {
  color: var(--clay);
  opacity: 1;
}

.page-products .svc-study--paper .eyebrow {
  color: var(--moss);
}

.page-products .svc-study--paper .section-title {
  color: var(--ink-900);
}

.page-products .svc-study--paper .svc-study-text p {
  color: var(--svc-ink-soft);
}

.page-products .svc-table-wrap {
  border: 1px solid var(--svc-paper-line);
  border-radius: 12px;
  background: rgba(255, 255, 255, .5);
  overflow-x: auto;
}

.page-products .svc-table {
  width: 100%;
  min-width: 460px;
  border-collapse: collapse;
  font-size: .85rem;
}

.page-products .svc-table th,
.page-products .svc-table td {
  padding: .68rem .7rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--svc-paper-line);
}

.page-products .svc-table thead th {
  font-family: var(--font-mono);
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--moss);
  background: rgba(5, 11, 24, .05);
}

.page-products .svc-table tbody th {
  font-weight: 600;
  white-space: nowrap;
}

.page-products .svc-table tbody td {
  color: var(--svc-ink-soft);
  line-height: 1.6;
}

.page-products .svc-table tbody tr:nth-child(even) {
  background: rgba(5, 11, 24, .035);
}

.page-products .svc-aside-note {
  margin: 1rem 0 0;
  padding-left: .8rem;
  border-left: 2px solid var(--clay);
  font-size: .82rem;
  line-height: 1.7;
  color: var(--svc-ink-soft);
}

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

.page-products .svc-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 12px;
}

.page-products .svc-figure--paper img {
  border: 1px solid var(--svc-paper-line);
  box-shadow: 0 18px 40px -28px rgba(5, 11, 24, .8);
}

.page-products .svc-figure .media-frame-caption {
  margin-top: .7rem;
  font-size: .76rem;
  line-height: 1.6;
  color: var(--paper-55);
}

.page-products .svc-figure--paper .media-frame-caption {
  color: rgba(5, 11, 24, .58);
}

/* ---------- 桌面端窗口示意 ---------- */
.page-products .svc-window {
  margin-top: 1.5rem;
  border: 1px solid var(--stone);
  border-radius: 12px;
  overflow: hidden;
  background: linear-gradient(180deg, #081426, var(--ink-900));
  box-shadow: 0 26px 60px -34px rgba(0, 0, 0, .95);
  position: relative;
}

.page-products .svc-window::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(180deg, rgba(116, 247, 166, .045) 0 1px, transparent 1px 3px);
}

.page-products .svc-window-bar {
  display: flex;
  align-items: center;
  gap: .38rem;
  padding: .6rem .8rem;
  background: rgba(42, 52, 66, .55);
  border-bottom: 1px solid var(--line);
}

.page-products .svc-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--stone);
}

.page-products .svc-dot:nth-child(1) { background: var(--clay); }
.page-products .svc-dot:nth-child(2) { background: var(--moss); }
.page-products .svc-dot:nth-child(3) { background: var(--lime); }

.page-products .svc-window-title {
  margin-left: .45rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .08em;
  color: var(--paper-55);
}

.page-products .svc-window-body {
  padding: 1rem .85rem 1.1rem;
}

.page-products .svc-fixture-head {
  display: none;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--moss);
  padding-bottom: .5rem;
  border-bottom: 1px solid var(--svc-line-soft);
}

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

.page-products .svc-fixture-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: .3rem .6rem;
  align-items: center;
  padding: .75rem .1rem;
  border-bottom: 1px dashed var(--svc-line-soft);
}

.page-products .svc-fixture-row:last-child {
  border-bottom: 0;
}

.page-products .svc-fixture-name {
  font-size: .88rem;
  font-weight: 600;
  color: var(--paper);
}

.page-products .svc-fixture-time {
  font-family: var(--font-mono);
  font-size: .84rem;
  font-weight: 600;
  color: var(--paper-70);
}

.page-products .svc-fixture-time--local {
  color: var(--lime);
}

.page-products .svc-fixture-row .tag {
  justify-self: end;
  grid-row: 1 / span 2;
}

.page-products .svc-window-note {
  margin: .9rem 0 0;
  font-size: .76rem;
  line-height: 1.6;
  color: var(--paper-55);
}

/* ---------- 收藏清单 ---------- */
.page-products .svc-checklist {
  margin: 1.25rem 0 1.1rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .6rem;
}

.page-products .svc-checklist li {
  position: relative;
  padding-left: 1.5rem;
  font-size: .88rem;
  line-height: 1.65;
  color: var(--svc-ink-soft);
}

.page-products .svc-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55rem;
  width: .6rem;
  height: 2px;
  background: var(--clay);
}

/* ---------- 支持与反馈 ---------- */
.page-products .svc-support {
  border-bottom: 0;
}

.page-products .svc-support-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

.page-products .svc-support-main p {
  margin: 0 0 1rem;
  max-width: 58ch;
  font-size: .95rem;
  line-height: 1.78;
  color: var(--paper-82);
}

.page-products .svc-support-list {
  display: grid;
  gap: .9rem;
  margin: 1.4rem 0 1.6rem;
}

.page-products .svc-support-list > div {
  padding: .85rem 1rem;
  border: 1px solid var(--line);
  border-left: 2px solid var(--lime);
  border-radius: 0 10px 10px 0;
  background: rgba(11, 27, 51, .55);
}

.page-products .svc-support-list dt {
  font-size: .9rem;
  font-weight: 700;
  color: var(--paper);
}

.page-products .svc-support-list dd {
  margin: .35rem 0 0;
  font-size: .84rem;
  line-height: 1.65;
  color: var(--paper-70);
}

.page-products .svc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
}

.page-products .svc-support-figure {
  margin: 0;
}

/* ---------- 尾注 ---------- */
.page-products .svc-tail {
  padding: 1.5rem 0 3.5rem;
  border-top: 1px solid var(--line);
}

.page-products .svc-tail p {
  margin: 0;
  max-width: 68ch;
  font-size: .88rem;
  line-height: 1.8;
  color: var(--paper-70);
}

.page-products .svc-tail a {
  color: var(--ice);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .svc-tail a:hover,
.page-products .svc-tail a:focus-visible {
  color: var(--lime);
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-products .svc-hero-meta {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-products .svc-study--paper {
    padding: 2.5rem 1.75rem;
  }

  .page-products .svc-fixture-head,
  .page-products .svc-fixture-row {
    display: grid;
    grid-template-columns: 1.25fr .85fr .95fr auto;
    gap: .5rem;
    align-items: center;
  }

  .page-products .svc-fixture-row .tag {
    grid-row: auto;
  }

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

@media (min-width: 900px) {
  .page-products .svc-hero {
    padding: 1.75rem 0 3.5rem;
  }

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

  .page-products .svc-study {
    padding: 3.5rem 0;
  }

  .page-products .svc-study-body {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: 2.75rem;
    align-items: start;
  }

  .page-products .svc-study-body--reverse {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
  }

  .page-products .svc-study--paper {
    padding: 3rem 2.5rem;
  }

  .page-products .svc-support-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 2.5rem;
    align-items: start;
  }

  .page-products .svc-num {
    font-size: 2.6rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .svc-board-card::after,
  .page-products .svc-board-link,
  .page-products .svc-tab {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>