.page-products {
  --pp-line: rgba(216, 225, 226, 0.18);
  --pp-line-ink: rgba(8, 24, 38, 0.14);
  --pp-mist: #E7EDEC;
  --pp-soft: rgba(216, 225, 226, 0.34);
  background: var(--paper);
  color: var(--ink-900);
  overflow-x: hidden;
}

.page-products .pp-num,
.page-products .pp-year__num,
.page-products .pp-step__num,
.page-products .pp-index__num,
.page-products .pp-layer__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- 封面 ---------- */
.page-products .pp-cover {
  position: relative;
  padding: 18px 0 clamp(34px, 5vw, 60px);
  background:
    radial-gradient(120% 90% at 8% 0%, rgba(55, 226, 194, 0.16), rgba(8, 24, 38, 0) 58%),
    linear-gradient(180deg, #071421 0%, var(--ink-900) 72%);
  color: var(--paper);
  overflow: hidden;
}

.page-products .pp-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(55, 226, 194, 0.09) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(0deg, rgba(55, 226, 194, 0.06) 0 1px, transparent 1px 72px);
  pointer-events: none;
}

.page-products .pp-cover .shell {
  position: relative;
  z-index: 1;
}

.page-products .pp-cover .breadcrumb {
  margin: 0 0 clamp(20px, 4vw, 40px);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
}

.page-products .pp-cover .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-cover .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(244, 246, 243, 0.36);
}

.page-products .pp-cover .breadcrumb a,
.page-products .pp-cover .breadcrumb li {
  color: rgba(244, 246, 243, 0.68);
  text-decoration: none;
}

.page-products .pp-cover .breadcrumb a:hover,
.page-products .pp-cover .breadcrumb a:focus-visible {
  color: var(--neon);
}

.page-products .pp-cover .eyebrow {
  color: var(--neon);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin: 0 0 16px;
}

.page-products .pp-cover__grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  grid-template-columns: minmax(0, 1fr);
}

.page-products .pp-cover h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(38px, 7.2vw, 76px);
  line-height: 0.98;
  letter-spacing: -0.015em;
  margin: 0 0 clamp(16px, 2.5vw, 24px);
  max-width: 15em;
  color: var(--paper);
}

.page-products .pp-cover__intro {
  margin: 0 0 14px;
  max-width: 46em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: rgba(244, 246, 243, 0.82);
}

.page-products .pp-cover__intro--sub {
  color: rgba(244, 246, 243, 0.62);
  font-size: 14.5px;
  border-left: 2px solid var(--track);
  padding-left: 14px;
}

.page-products .pp-cover__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-products .pp-index {
  border: 1px solid var(--pp-line);
  background: rgba(16, 42, 63, 0.55);
  padding: 18px 18px 16px;
}

.page-products .pp-index__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--graphite);
  text-transform: uppercase;
}

.page-products .pp-index ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-index li + li {
  border-top: 1px solid var(--pp-line);
}

.page-products .pp-index a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 0;
  color: var(--paper);
  text-decoration: none;
  font-size: 14.5px;
  transition: color 0.2s var(--ease);
}

.page-products .pp-index__num {
  font-size: 11.5px;
  color: var(--neon);
  letter-spacing: 0.08em;
}

.page-products .pp-index a:hover,
.page-products .pp-index a:focus-visible {
  color: var(--neon);
}

.page-products .pp-index__status {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--pp-line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
  color: rgba(244, 246, 243, 0.66);
}

.page-products .pp-dot {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 0 3px rgba(55, 226, 194, 0.16);
}

/* ---------- 主体两栏 ---------- */
.page-products .pp-body {
  padding: clamp(34px, 5vw, 68px) 0;
}

.page-products .pp-body__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 46px);
  align-items: start;
}

.page-products .pp-main > .pp-section + .pp-section {
  margin-top: clamp(34px, 5vw, 58px);
}

.page-products .section-head {
  margin-bottom: clamp(14px, 2vw, 20px);
}

.page-products .section-head .eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--graphite);
}

.page-products .section-head h2,
.page-products .pp-aside h2,
.page-products .pp-cta h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(25px, 3.6vw, 38px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0;
}

.page-products .prose {
  margin: 0 0 clamp(18px, 2.4vw, 24px);
  font-size: 16px;
  line-height: 1.85;
  color: #26404f;
  max-width: 44em;
}

.page-products .pp-note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--graphite);
}

.page-products .pp-note a,
.page-products .pp-link {
  color: var(--ink-700);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .pp-note a:hover,
.page-products .pp-note a:focus-visible,
.page-products .pp-link:hover,
.page-products .pp-link:focus-visible {
  color: var(--ink-900);
  text-decoration-color: var(--track);
}

/* ---------- 图片 ---------- */
.page-products .pp-figure {
  margin: 0 0 clamp(20px, 3vw, 28px);
  border: 1px solid var(--pp-line-ink);
  background: var(--pp-mist);
}

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

.page-products .pp-figure figcaption {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--graphite);
  border-top: 1px solid var(--pp-line-ink);
}

.page-products .pp-figure--dark {
  border-color: var(--pp-line);
  background: rgba(8, 24, 38, 0.5);
}

.page-products .pp-figure--dark figcaption {
  border-top-color: var(--pp-line);
  color: rgba(244, 246, 243, 0.6);
}

/* ---------- 四层配置 ---------- */
.page-products .pp-layers {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--pp-line-ink);
  border: 1px solid var(--pp-line-ink);
}

.page-products .pp-layer {
  position: relative;
  background: var(--paper);
  padding: 18px 18px 20px;
  transition: background 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-products .pp-layer:hover {
  background: #fff;
  box-shadow: inset 3px 0 0 var(--neon);
}

.page-products .pp-layer__num {
  display: block;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--track);
  margin-bottom: 8px;
}

.page-products .pp-layer h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-products .pp-layer p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: #35505f;
}

/* ---------- 深色版本区 ---------- */
.page-products .pp-dark {
  background: var(--ink-800);
  color: var(--paper);
  padding: clamp(22px, 3.4vw, 36px);
  border-top: 1px solid var(--pp-line);
  border-bottom: 1px solid var(--pp-line);
}

.page-products .pp-dark .section-head .eyebrow {
  color: var(--neon);
}

.page-products .pp-dark__lead {
  margin: 0 0 clamp(18px, 2.6vw, 24px);
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(244, 246, 243, 0.82);
  max-width: 46em;
}

.page-products .pp-years {
  border-top: 1px solid var(--pp-line);
}

.page-products .pp-year {
  border-bottom: 1px solid var(--pp-line);
}

.page-products .pp-year__trigger {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  align-items: baseline;
  gap: 4px 14px;
  width: 100%;
  padding: 14px 0;
  background: none;
  border: 0;
  color: var(--paper);
  text-align: left;
  cursor: pointer;
  font-family: var(--font-body);
  transition: color 0.2s var(--ease);
}

.page-products .pp-year__num {
  font-size: 24px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--neon);
  line-height: 1;
}

.page-products .pp-year__label {
  font-size: 15px;
  font-weight: 500;
}

.page-products .pp-year__hint {
  grid-column: 2;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: rgba(244, 246, 243, 0.5);
}

.page-products .pp-year__trigger:hover .pp-year__label,
.page-products .pp-year__trigger:focus-visible .pp-year__label {
  color: var(--mint);
}

.page-products .pp-year__trigger:focus-visible {
  outline: 2px solid var(--focus-light);
  outline-offset: 3px;
}

.page-products .pp-year__panel {
  padding: 0 0 16px 76px;
}

.page-products .pp-year__panel dl {
  margin: 0;
  display: grid;
  gap: 6px;
}

.page-products .pp-year__panel dt {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--track);
  text-transform: uppercase;
}

.page-products .pp-year__panel dd {
  margin: 0 0 6px;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(244, 246, 243, 0.8);
}

/* ---------- 兼容对照表 ---------- */
.page-products .pp-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--graphite);
}

.page-products .pp-legend span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.page-products .pp-state {
  display: inline-block;
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: 50%;
  margin-right: 6px;
  vertical-align: middle;
}

.page-products .pp-state--ok {
  background: var(--neon);
  box-shadow: 0 0 0 2px rgba(55, 226, 194, 0.24);
}

.page-products .pp-state--warn {
  background: var(--track);
}

.page-products .pp-state--alert {
  background: var(--alert);
}

.page-products .pp-table-wrap {
  border: 1px solid var(--pp-line-ink);
  background: #fff;
}

.page-products .pp-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}

.page-products .pp-table__caption {
  caption-side: top;
  text-align: left;
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--graphite);
  border-bottom: 1px solid var(--pp-line-ink);
  background: var(--pp-mist);
}

.page-products .pp-table th {
  text-align: left;
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-800);
  background: var(--pp-soft);
  border-bottom: 1px solid var(--pp-line-ink);
  white-space: nowrap;
}

.page-products .pp-table td {
  padding: 11px 12px;
  border-bottom: 1px solid var(--fog);
  vertical-align: top;
  line-height: 1.65;
  color: #2b4453;
}

.page-products .pp-table tbody tr:nth-child(even) {
  background: rgba(216, 225, 226, 0.34);
}

.page-products .pp-table tbody tr:hover,
.page-products .pp-table tbody tr:focus-within {
  background: var(--mint);
}

.page-products .pp-table tbody tr:hover .pp-state,
.page-products .pp-table tbody tr:focus-within .pp-state {
  transform: scale(1.35);
}

.page-products .pp-table .pp-num {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink-700);
  white-space: nowrap;
}

/* ---------- 步骤条 ---------- */
.page-products .pp-steps-section {
  background:
    radial-gradient(90% 70% at 100% 0%, rgba(55, 226, 194, 0.12), rgba(8, 24, 38, 0) 62%),
    var(--ink-900);
  color: var(--paper);
  padding: clamp(34px, 5vw, 62px) 0;
  border-top: 1px solid var(--pp-line);
}

.page-products .pp-steps-section .section-head .eyebrow {
  color: var(--neon);
}

.page-products .pp-steps__lead {
  margin: 0 0 clamp(18px, 2.6vw, 26px);
  max-width: 46em;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(244, 246, 243, 0.8);
}

.page-products .pp-steps {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--pp-line);
  border: 1px solid var(--pp-line);
}

.page-products .pp-step {
  background: #0b1f30;
  padding: 14px 16px 16px;
  transition: background 0.25s var(--ease);
}

.page-products .pp-step:hover,
.page-products .pp-step:focus-within {
  background: #0e2a3e;
}

.page-products .pp-step__trigger {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 0 0 10px;
  background: none;
  border: 0;
  color: var(--paper);
  text-align: left;
  cursor: pointer;
  font-family: var(--font-body);
}

.page-products .pp-step__trigger:focus-visible {
  outline: 2px solid var(--focus-light);
  outline-offset: 4px;
}

.page-products .pp-step__num {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ink-900);
  background: var(--track);
  padding: 3px 6px;
  line-height: 1;
}

.page-products .pp-step__title {
  font-size: 15px;
  font-weight: 600;
}

.page-products .pp-step__panel p {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(244, 246, 243, 0.72);
}

.page-products .pp-note--dark {
  color: rgba(244, 246, 243, 0.6);
}

.page-products .pp-note--dark a {
  color: var(--neon);
  text-decoration-color: rgba(55, 226, 194, 0.5);
}

/* ---------- 侧栏 ---------- */
.page-products .pp-aside {
  border: 1px solid var(--pp-line-ink);
  background: #fff;
  padding: 18px;
}

.page-products .pp-aside h2 {
  font-size: clamp(21px, 2.4vw, 26px);
  margin-bottom: 14px;
}

.page-products .pp-aside__figure {
  margin: 0 0 14px;
  border: 1px solid var(--pp-line-ink);
  background: var(--pp-mist);
}

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

.page-products .pp-aside__count {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.7;
  color: #35505f;
  border-left: 3px solid var(--track);
  padding-left: 10px;
}

.page-products .pp-num--big {
  font-size: 19px;
  font-weight: 500;
  color: var(--ink-900);
  letter-spacing: 0.02em;
}

.page-products .pp-aside__list {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--fog);
}

.page-products .pp-aside__list li {
  padding: 9px 0;
  border-bottom: 1px solid var(--fog);
  font-size: 13px;
  line-height: 1.7;
  color: #35505f;
}

.page-products .pp-aside__key {
  display: block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--graphite);
  margin-bottom: 2px;
}

.page-products .pp-sub {
  background: var(--ink-800);
  color: var(--paper);
  padding: 14px;
  margin-bottom: 12px;
}

.page-products .pp-sub h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-products .pp-sub p {
  margin: 0 0 12px;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(244, 246, 243, 0.78);
}

.page-products .pp-sub__btn {
  display: inline-block;
}

.page-products .pp-aside__link {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--ink-700);
  text-decoration: none;
  border-top: 1px solid var(--fog);
  padding-top: 12px;
}

.page-products .pp-aside__link:hover,
.page-products .pp-aside__link:focus-visible {
  color: var(--ink-900);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 巡检节奏 ---------- */
.page-products .pp-rhythm {
  padding: clamp(32px, 5vw, 58px) 0;
}

.page-products .pp-rhythm__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--pp-line-ink);
  border: 1px solid var(--pp-line-ink);
}

.page-products .pp-rhythm__item {
  background: var(--paper);
  padding: 20px 18px 18px;
  display: flex;
  flex-direction: column;
  transition: background 0.25s var(--ease);
}

.page-products .pp-rhythm__item:hover {
  background: #fff;
}

.page-products .pp-rhythm__tag {
  margin: 0 0 10px;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-900);
  background: var(--neon);
  padding: 3px 7px;
}

.page-products .pp-rhythm__item h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
}

.page-products .pp-rhythm__item p {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.78;
  color: #35505f;
}

.page-products .pp-rhythm__item .pp-link {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
}

/* ---------- 收尾 ---------- */
.page-products .pp-cta {
  background: linear-gradient(135deg, var(--ink-700) 0%, var(--ink-900) 78%);
  color: var(--paper);
  padding: clamp(30px, 4.5vw, 52px) 0;
}

.page-products .pp-cta .eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--neon);
}

.page-products .pp-cta__inner {
  display: grid;
  gap: 22px;
  align-items: center;
}

.page-products .pp-cta h2 {
  margin: 0 0 10px;
}

.page-products .pp-cta p {
  margin: 0;
  max-width: 42em;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(244, 246, 243, 0.8);
}

.page-products .pp-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-products .pp-layers {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-products .pp-year__trigger {
    grid-template-columns: 72px minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-products .pp-year__hint {
    grid-column: 3;
    text-align: right;
  }
}

@media (min-width: 768px) {
  .page-products .pp-steps {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-products .pp-steps-section .pp-figure {
    margin-bottom: 26px;
  }

  .page-products .pp-cta__inner {
    grid-template-columns: minmax(0, 1.6fr) auto;
  }
}

@media (min-width: 900px) {
  .page-products .pp-cover__grid {
    grid-template-columns: minmax(0, 1.62fr) minmax(0, 0.88fr);
    align-items: start;
  }

  .page-products .pp-index {
    margin-top: 6px;
  }
}

@media (min-width: 1024px) {
  .page-products .pp-body__inner {
    grid-template-columns: minmax(0, 1.72fr) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 52px);
  }

  .page-products .pp-aside {
    position: sticky;
    top: 24px;
  }
}

@media (max-width: 700px) {
  .page-products .pp-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .page-products .pp-table,
  .page-products .pp-table tbody,
  .page-products .pp-table tr,
  .page-products .pp-table td {
    display: block;
    width: 100%;
  }

  .page-products .pp-table tr {
    border-bottom: 1px solid var(--pp-line-ink);
    background: #fff;
  }

  .page-products .pp-table tbody tr:nth-child(even) {
    background: #fff;
  }

  .page-products .pp-table td {
    display: grid;
    grid-template-columns: 82px minmax(0, 1fr);
    gap: 10px;
    padding: 9px 12px;
    font-size: 13px;
  }

  .page-products .pp-table td::before {
    content: attr(data-label);
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--graphite);
    padding-top: 2px;
  }

  .page-products .pp-table td:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 560px) {
  .page-products .pp-year__panel {
    padding-left: 0;
  }

  .page-products .pp-cover__intro--sub {
    font-size: 13.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-layer,
  .page-products .pp-step,
  .page-products .pp-rhythm__item,
  .page-products .pp-index a,
  .page-products .pp-table tbody tr {
    transition: none;
  }
}
<<<END>>>