.page-products {
  --ad-rule: var(--line);
  --ad-soft: rgba(49, 225, 212, .07);
  background: var(--ink-900);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.75;
  overflow-x: hidden;
}

.page-products a:not(.btn) {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(49, 225, 212, .35);
}

.page-products a:not(.btn):hover {
  border-bottom-color: var(--cyan);
}

.page-products .lead {
  color: var(--muted);
  font-size: var(--fs-lead);
  max-width: 36em;
  margin: 0 0 20px;
}

.page-products .eyebrow {
  margin: 0 0 12px;
}

/* ---------- 首屏 ---------- */
.page-products .ad-hero {
  position: relative;
  padding: clamp(28px, 5vw, 54px) 0 clamp(36px, 6vw, 68px);
  border-bottom: 1px solid var(--ad-rule);
  background:
    radial-gradient(680px 420px at 94% -14%, rgba(49, 225, 212, .14), transparent 68%),
    radial-gradient(520px 360px at 4% 112%, rgba(255, 139, 61, .10), transparent 70%),
    linear-gradient(180deg, var(--ink-950), var(--ink-900));
}

.page-products .ad-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: center;
}

.page-products .ad-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 5.6vw, 56px);
  line-height: 1.08;
  letter-spacing: -.015em;
  margin: 0 0 18px;
  max-width: 15em;
}

.page-products .ad-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 30px;
}

.page-products .ad-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 1px;
  background: var(--line-soft);
  border: 1px solid var(--ad-rule);
  border-radius: var(--radius);
}

.page-products .ad-fact {
  background: var(--ink-950);
  padding: 14px 16px;
}

.page-products .ad-fact dt {
  font-size: var(--fs-small);
  color: var(--muted);
  letter-spacing: .02em;
  margin: 0 0 4px;
}

.page-products .ad-fact dd {
  margin: 0;
  font-size: 16px;
  color: var(--cream);
}

.page-products .ad-num {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: .01em;
}

.page-products .ad-fig {
  margin: 0;
  border: 1px solid var(--ad-rule);
  border-radius: var(--radius);
  background: var(--ink-950);
  overflow: hidden;
  box-shadow: var(--shadow);
}

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

.page-products .ad-fig .media-caption {
  padding: 10px 14px;
  border-top: 1px solid var(--line-soft);
  font-size: var(--fs-small);
  color: var(--muted);
}

.page-products .ad-fig--wide {
  margin-top: 26px;
}

/* ---------- 主体骨架 ---------- */
.page-products .ad-layout {
  display: grid;
  gap: 26px;
  padding: clamp(24px, 4vw, 40px) 0 clamp(56px, 8vw, 88px);
}

.page-products .rail {
  position: static;
  border: 1px solid var(--ad-rule);
  border-radius: var(--radius);
  background: var(--ink-950);
  padding: 12px;
}

.page-products .ad-rail-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--muted);
}

.page-products .rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 4px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .rail-step {
  flex: 0 0 auto;
  border-left: 2px solid transparent;
  border-radius: 2px;
  transition: background-color 120ms linear, border-color 120ms linear;
}

.page-products .rail-step a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  font-size: 13.5px;
  color: var(--muted);
  white-space: nowrap;
  border-bottom: 0;
}

.page-products .rail-step a:hover {
  border-bottom: 0;
  color: var(--cream);
}

.page-products .ad-rail-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--teal);
}

.page-products .rail-step.is-active {
  border-left-color: var(--cyan);
  background: var(--ad-soft);
}

.page-products .rail-step.is-active a {
  color: var(--cream);
}

.page-products .rail-step.is-active .ad-rail-num {
  color: var(--cyan);
}

.page-products .ad-body {
  min-width: 0;
}

.page-products .ad-section {
  padding: clamp(30px, 5vw, 46px) 0;
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: 92px;
}

.page-products .ad-section:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .ad-section h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-h2);
  line-height: 1.14;
  letter-spacing: -.01em;
  margin: 0 0 14px;
  max-width: 20em;
}

.page-products .ad-section h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.3;
  margin: 0 0 8px;
}

.page-products .ad-section p {
  margin: 0 0 14px;
  max-width: 38em;
  color: var(--muted);
}

.page-products .ad-section p:last-child {
  margin-bottom: 0;
}

.page-products .ad-tip {
  margin-top: 20px;
  padding: 13px 16px;
  border-left: 2px solid var(--orange);
  background: rgba(255, 139, 61, .07);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 15px;
  color: var(--cream);
  max-width: 40em;
}

/* ---------- 三步 ---------- */
.page-products .ad-steps {
  list-style: none;
  margin: 24px 0 0;
  padding: 1px;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--ad-rule);
  border-radius: var(--radius);
  counter-reset: none;
}

.page-products .ad-step {
  position: relative;
  background: var(--ink-950);
  padding: 20px 20px 20px 20px;
}

.page-products .ad-step-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px 9px;
  margin-bottom: 10px;
}

.page-products .ad-step p {
  margin: 0;
  font-size: 15.5px;
}

/* ---------- 项目分组 ---------- */
.page-products .ad-groups {
  display: grid;
  gap: 14px;
  margin: 26px 0 0;
}

.page-products .ad-group {
  display: flex;
  flex-direction: column;
  padding: 20px;
  border: 1px solid var(--ad-rule);
  border-top-width: 2px;
  border-radius: var(--radius);
  background: var(--ink-950);
  box-shadow: var(--shadow);
}

.page-products .ad-group--visit { border-top-color: var(--cyan); }
.page-products .ad-group--device { border-top-color: var(--amber); }
.page-products .ad-group--home { border-top-color: var(--teal); }
.page-products .ad-group--care { border-top-color: var(--orange); }

.page-products .ad-group__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.page-products .ad-group__head h3 {
  margin: 0;
  font-size: 20px;
}

.page-products .ad-group__desc {
  font-size: 15px;
  color: var(--muted);
  margin: 0 0 14px;
}

.page-products .ad-chips {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-products .ad-chips li {
  font-size: 13px;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 11px;
  background: rgba(245, 242, 234, .02);
}

/* ---------- 适配矩阵 ---------- */
.page-products .ad-matrix-wrap {
  margin: 24px 0 0;
  border: 1px solid var(--ad-rule);
  border-radius: var(--radius);
  background: var(--ink-950);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .ad-matrix {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .ad-matrix-cap {
  caption-side: top;
  text-align: left;
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--muted);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .ad-matrix th,
.page-products .ad-matrix td {
  border-bottom: 1px solid var(--line-soft);
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
}

.page-products .ad-matrix thead th {
  background: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  font-weight: 500;
  color: var(--muted);
  white-space: nowrap;
}

.page-products .ad-matrix tbody tr:last-child th,
.page-products .ad-matrix tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .ad-matrix tbody tr:hover td,
.page-products .ad-matrix tbody tr:hover .ad-model {
  background: rgba(49, 225, 212, .05);
}

.page-products .ad-model {
  position: sticky;
  left: 0;
  z-index: 2;
  background: var(--ink-950);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--cream);
  white-space: nowrap;
  min-width: 190px;
}

.page-products .ad-matrix td small {
  display: block;
  margin-top: 5px;
  font-size: 11.5px;
  color: var(--muted);
  line-height: 1.5;
}

.page-products .ad-dot {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--cream);
  white-space: nowrap;
}

.page-products .ad-dot::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex: 0 0 auto;
}

.page-products .ad-dot--ok::before {
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(49, 225, 212, .16);
}

.page-products .ad-dot--cond::before {
  background: var(--amber);
  box-shadow: 0 0 0 3px rgba(255, 201, 138, .16);
}

.page-products .ad-dot--check::before {
  background: var(--orange);
  box-shadow: 0 0 0 3px rgba(255, 139, 61, .16);
}

.page-products .ad-legend {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  font-size: 13px;
  color: var(--muted);
}

.page-products .ad-legend li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-products .ad-legend li::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex: 0 0 auto;
}

.page-products .ad-legend li:nth-child(1)::before { background: var(--cyan); }
.page-products .ad-legend li:nth-child(2)::before { background: var(--amber); }
.page-products .ad-legend li:nth-child(3)::before { background: var(--orange); }

.page-products #suit-matrix .ad-fig {
  margin-top: 26px;
}

/* ---------- 版本 ---------- */
.page-products .ad-versions {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .ad-version {
  position: relative;
  padding: 20px;
  border: 1px solid var(--ad-rule);
  border-radius: var(--radius);
  background: var(--ink-950);
  box-shadow: var(--shadow);
}

.page-products .ad-version.is-current {
  border-color: var(--cyan);
  background:
    linear-gradient(180deg, rgba(49, 225, 212, .09), transparent 62%),
    var(--ink-950);
}

.page-products .ad-version-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--ink-950);
  background: var(--amber);
  border-radius: 2px;
  padding: 2px 9px;
  margin-bottom: 12px;
}

.page-products .ad-version.is-current .ad-version-tag {
  background: var(--cyan);
}

.page-products .ad-version p {
  margin: 0;
  font-size: 15px;
  color: var(--muted);
}

.page-products #suit-versions .ad-fig {
  margin-top: 26px;
}

/* ---------- 记录 ---------- */
.page-products .ad-split {
  display: grid;
  gap: 22px;
  margin-top: 22px;
}

.page-products .ad-split__text p {
  max-width: 36em;
}

.page-products .ad-list {
  list-style: none;
  margin: 16px 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .ad-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15.5px;
  color: var(--muted);
  max-width: 36em;
}

.page-products .ad-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .82em;
  width: 12px;
  height: 1px;
  background: var(--cyan);
}

/* ---------- 离线 ---------- */
.page-products #suit-offline {
  padding-bottom: 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .ad-groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .ad-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
  }

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

  .page-products .ad-split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-products .ad-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 56px;
  }

  .page-products .rail {
    position: sticky;
    top: 96px;
    align-self: start;
    padding: 16px;
  }

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

  .page-products .rail-step {
    flex: 1 1 auto;
  }

  .page-products .rail-step a {
    white-space: normal;
    padding: 9px 12px;
  }
}

@media (min-width: 1200px) {
  .page-products .ad-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}