.page-products {
  background:
    radial-gradient(95% 55% at 88% -8%, var(--glow-coral), transparent 62%),
    var(--ink-900);
  color: var(--paper);
  padding-bottom: 3rem;
  overflow-x: hidden;
}

.page-products a:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 3px;
}

.page-products .pp-crumbs-bar {
  padding-block: 1rem 0.5rem;
}

.page-products .pp-crumbs-bar .crumbs {
  font-size: 0.78rem;
  color: var(--mist);
}

.page-products .pp-crumbs-bar .crumbs a {
  color: var(--mist);
  text-decoration: none;
}

.page-products .pp-crumbs-bar .crumbs a:hover {
  color: var(--mint);
}

/* ---------- 封面 ---------- */
.page-products .pp-hero {
  padding-block: 1rem 2.25rem;
  border-bottom: 1px solid var(--line);
}

.page-products .pp-hero-inner {
  display: grid;
  gap: 1.75rem;
}

.page-products .pp-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 8.4vw, 4.4rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 0.65rem 0 0;
  max-width: 13em;
}

.page-products .pp-hero h1::after {
  content: "";
  display: block;
  width: 3.5rem;
  height: 4px;
  margin-top: 1.1rem;
  background: linear-gradient(90deg, var(--coral), var(--mint));
}

.page-products .pp-lead {
  margin: 1rem 0 0;
  max-width: 36em;
  font-size: 0.98rem;
  line-height: 1.9;
  color: var(--mist);
}

.page-products .pp-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.6rem;
}

.page-products .pp-hero-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem 1rem;
  margin: 1.9rem 0 0;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line-soft);
}

.page-products .pp-fact dt {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-products .pp-fact dd {
  margin: 0.32rem 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.3rem;
  line-height: 1.2;
  color: var(--paper);
}

.page-products figure {
  margin: 0;
  min-width: 0;
}

.page-products .media-frame {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-800);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

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

.page-products .media-caption {
  margin-top: 0.6rem;
  font-size: 0.76rem;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 栏目滑轨 ---------- */
.page-products .pp-rail-section {
  padding-block: 2rem 2.25rem;
}

.page-products .pp-rail-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  margin-bottom: 1.05rem;
}

.page-products .pp-rail-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-products .pp-rail-hint {
  margin: 0;
  font-size: 0.76rem;
  color: var(--mist);
}

.page-products .pp-rail {
  list-style: none;
  display: flex;
  gap: 0.7rem;
  margin: 0;
  padding: 0 0 0.8rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--ink-700) transparent;
}

.page-products .pp-rail li {
  flex: 0 0 64%;
  min-width: 0;
  scroll-snap-align: start;
  display: flex;
}

.page-products .pp-rail-link {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  width: 100%;
  padding: 1rem 0.95rem;
  background: var(--ink-800);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--ink-700);
  border-radius: var(--radius);
  color: var(--paper);
  text-decoration: none;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-products .pp-rail-link:hover,
.page-products .pp-rail-link:focus-visible {
  border-left-color: var(--mint);
  background: var(--ink-700);
  transform: translateY(-2px);
}

.page-products .pp-rail-link[aria-current] {
  border-left-color: var(--coral);
  background:
    linear-gradient(180deg, var(--glow-coral), transparent 78%),
    var(--ink-800);
}

.page-products .pp-rail-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-products .pp-rail-link[aria-current] .pp-rail-num {
  color: var(--coral);
}

.page-products .pp-rail-name {
  font-weight: 800;
  font-size: 1rem;
}

.page-products .pp-rail-desc {
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 通用章节 ---------- */
.page-products .pp-section {
  padding-block: 2.5rem;
  border-top: 1px solid var(--line-soft);
}

.page-products .pp-section-head {
  max-width: 42rem;
  margin-bottom: 1.6rem;
}

.page-products .pp-section-head h2 {
  margin: 0.5rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 5.4vw, 2.35rem);
  line-height: 1.16;
  letter-spacing: -0.015em;
}

.page-products .pp-section-lead {
  margin: 0.85rem 0 0;
  font-size: 0.92rem;
  line-height: 1.9;
  color: var(--mist);
}

/* ---------- 八栏目 ---------- */
.page-products .pp-banner {
  margin-bottom: 1.35rem;
}

.page-products .pp-cols {
  display: grid;
  gap: 0.8rem;
}

.page-products .pp-col {
  position: relative;
  padding: 1rem 1rem 1.05rem 3.1rem;
  background: var(--ink-800);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-products .pp-col:hover {
  border-color: rgba(69, 242, 200, 0.4);
  background: var(--ink-700);
}

.page-products .pp-col-num {
  position: absolute;
  left: 1rem;
  top: 1.05rem;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--mint);
}

.page-products .pp-col h3 {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 800;
}

.page-products .pp-col p {
  margin: 0.4rem 0 0.8rem;
  font-size: 0.84rem;
  line-height: 1.72;
  color: var(--mist);
}

.page-products .pp-col a {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--coral);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 122, 89, 0.4);
  padding-bottom: 1px;
}

.page-products .pp-col a:hover {
  color: var(--mint);
  border-bottom-color: rgba(69, 242, 200, 0.5);
}

/* ---------- 四组入口 ---------- */
.page-products .pp-entry-top {
  display: grid;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.page-products .pp-entry-top .pp-section-head {
  margin-bottom: 0;
}

.page-products .pp-entries {
  display: grid;
  gap: 0.9rem;
}

.page-products .pp-entry {
  background: var(--ink-800);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s var(--ease);
}

.page-products .pp-entry[open] {
  border-color: rgba(69, 242, 200, 0.36);
  background:
    linear-gradient(180deg, var(--glow-mint), transparent 68%),
    var(--ink-800);
}

.page-products .pp-entry-sum {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem 0.7rem;
  padding: 1rem;
  cursor: pointer;
  list-style: none;
}

.page-products .pp-entry-sum::-webkit-details-marker {
  display: none;
}

.page-products .pp-entry-num {
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--coral);
  border: 1px solid rgba(255, 122, 89, 0.45);
  border-radius: 2px;
  padding: 0.16rem 0.42rem;
}

.page-products .pp-entry-title {
  margin-right: auto;
  font-weight: 800;
  font-size: 1rem;
}

.page-products .pp-entry-meta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-products .pp-entry-body {
  padding: 0 1rem 1.1rem;
}

.page-products .pp-entry-lead {
  margin: 0 0 0.85rem;
  font-size: 0.85rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-products .pp-entry-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.page-products .pp-entry-list li {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.25rem 0.8rem;
  padding: 0.55rem 0.7rem;
  background: rgba(7, 24, 38, 0.62);
  border-left: 2px solid var(--ink-700);
}

.page-products .pp-entry-name {
  font-size: 0.85rem;
  line-height: 1.6;
}

.page-products .pp-entry-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--amber);
}

/* ---------- 三步 ---------- */
.page-products .pp-steps-layout,
.page-products .pp-devices-layout {
  display: grid;
  gap: 1.5rem;
}

.page-products .pp-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}

.page-products .pp-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.9rem;
  padding: 1rem;
  background: var(--ink-800);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--coral);
  border-radius: var(--radius);
}

.page-products .pp-step-num {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--coral);
}

.page-products .pp-step-body h3 {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 800;
}

.page-products .pp-step-body p {
  margin: 0.4rem 0 0.7rem;
  font-size: 0.85rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-products .pp-step-body a {
  font-size: 0.8rem;
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(69, 242, 200, 0.4);
}

.page-products .pp-step-body a:hover {
  color: var(--paper);
}

/* ---------- 适配 ---------- */
.page-products .pp-devices {
  display: grid;
  gap: 0.8rem;
}

.page-products .pp-device {
  padding: 1rem;
  background: var(--ink-800);
  border: 1px solid var(--line-soft);
  border-top: 3px solid var(--mint);
  border-radius: var(--radius);
}

.page-products .pp-device--desk {
  border-top-color: var(--coral);
}

.page-products .pp-device--pad {
  border-top-color: var(--amber);
}

.page-products .pp-device--phone {
  border-top-color: var(--mint);
}

.page-products .pp-device h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 800;
}

.page-products .pp-device p {
  margin: 0.4rem 0 0.7rem;
  font-size: 0.84rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .pp-device-tag {
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  color: var(--mist);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 0.18rem 0.45rem;
  display: inline-block;
}

/* ---------- 服务保障 ---------- */
.page-products .pp-stats {
  display: grid;
  gap: 0.8rem;
}

.page-products .pp-stat {
  padding: 1rem;
  background: var(--ink-800);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
}

.page-products .pp-stat-num {
  display: block;
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--paper);
}

.page-products .pp-stat-key {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--coral);
}

.page-products .pp-stat-note {
  display: block;
  margin-top: 0.55rem;
  font-size: 0.78rem;
  line-height: 1.72;
  color: var(--mist);
}

.page-products .pp-next {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.9rem 1.4rem;
  margin-top: 1.6rem;
  padding: 1.15rem 1.1rem;
  border: 1px dashed rgba(69, 242, 200, 0.42);
  border-radius: var(--radius);
  background: rgba(69, 242, 200, 0.05);
}

.page-products .pp-next-text {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.7;
  max-width: 30em;
}

.page-products .pp-next-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.page-products .pp-next-note {
  margin: 0.9rem 0 0;
  font-size: 0.8rem;
  color: var(--mist);
}

.page-products .pp-next-note a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(69, 242, 200, 0.4);
}

/* ---------- 桌面扩展 ---------- */
@media (min-width: 720px) {
  .page-products .pp-hero-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pp-rail li {
    flex-basis: 31%;
  }

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

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

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

@media (min-width: 1000px) {
  .page-products {
    padding-bottom: 4.5rem;
  }

  .page-products .pp-hero {
    padding-block: 1.5rem 3rem;
  }

  .page-products .pp-hero-inner {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 2.5rem;
  }

  .page-products .pp-rail li {
    flex-basis: 22.5%;
  }

  .page-products .pp-section {
    padding-block: 3.5rem;
  }

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

  .page-products .pp-entry-top {
    grid-template-columns: 1fr 0.85fr;
    align-items: start;
    gap: 2.5rem;
  }

  .page-products .pp-steps-layout,
  .page-products .pp-devices-layout {
    grid-template-columns: 0.92fr 1.08fr;
    align-items: start;
    gap: 2.25rem;
  }

  .page-products .pp-devices {
    grid-template-columns: minmax(0, 1fr);
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-rail-link,
  .page-products .pp-col {
    transition: none;
  }

  .page-products .pp-rail-link:hover,
  .page-products .pp-rail-link:focus-visible {
    transform: none;
  }
}
<<<END>>>