.page-products {
  --pp-gap: clamp(20px, 3vw, 36px);
  --pp-text: rgba(242, 240, 233, 0.86);
  font-family: var(--font-body);
  background: var(--ink-900);
  color: var(--paper);
  overflow-x: hidden;
}

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

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

.page-products .pp-crumb {
  padding-top: clamp(16px, 2.5vw, 28px);
  padding-bottom: clamp(12px, 2vw, 20px);
}

.page-products h1,
.page-products h2,
.page-products h3 {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  margin: 0;
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(23, 58, 48, 0.9) 0%, rgba(11, 31, 26, 0) 60%),
    var(--ink-900);
  padding: clamp(24px, 4vw, 48px) 0 clamp(28px, 4.5vw, 56px);
}

.page-products .pp-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 10px;
  background-image: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 40px);
  opacity: 0.7;
  pointer-events: none;
}

.page-products .pp-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.5vw, 44px);
  align-items: center;
}

.page-products .pp-hero__lede h1 {
  font-size: clamp(2rem, 5.2vw, 3.6rem);
  line-height: 1.12;
  letter-spacing: -0.04em;
  margin: 14px 0 18px;
  max-width: 16em;
}

.page-products .pp-hero__intro {
  font-size: clamp(15px, 1.15vw, 17px);
  line-height: 1.8;
  color: var(--pp-text);
  margin: 0 0 22px;
  max-width: 40em;
}

.page-products .pp-hero__facts {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
}

.page-products .pp-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-left: 12px;
  border-left: 2px solid var(--line);
}

.page-products .pp-hero__facts .num {
  font-family: var(--font-mono);
  font-size: clamp(19px, 2vw, 24px);
  color: var(--signal);
  font-weight: 700;
  line-height: 1.2;
}

.page-products .pp-hero__facts li > span:last-child {
  font-size: 12.5px;
  color: var(--slate-300);
  letter-spacing: 0.02em;
}

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

.page-products .pp-hero__figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-800);
  padding: 10px;
  box-shadow: 0 18px 40px -32px rgba(0, 0, 0, 0.9);
}

.page-products .pp-hero__figure img {
  width: 100%;
  border: 1px solid var(--line);
}

.page-products .pp-hero__figure .figure__caption {
  margin-top: 10px;
  font-size: 12.5px;
  color: var(--slate-300);
  line-height: 1.65;
}

/* ---------- 三栏骨架 ---------- */
.page-products .pp-board {
  padding-top: clamp(20px, 3vw, 34px);
  padding-bottom: clamp(36px, 5vw, 72px);
}

.page-products .pp-board__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
  align-items: start;
}

/* 左锚点 */
.page-products .pp-rail {
  border: 1px solid var(--line);
  background: var(--ink-800);
  padding: 14px;
}

.page-products .pp-rail__title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--slate-300);
  font-family: var(--font-mono);
}

.page-products .pp-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-products .pp-rail__list a {
  display: block;
  white-space: nowrap;
  padding: 7px 11px;
  font-size: 13px;
  color: var(--slate-300);
  text-decoration: none;
  border: 1px solid var(--line);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .pp-rail__list a:hover,
.page-products .pp-rail__list a:focus-visible {
  color: var(--paper);
  border-color: var(--signal);
  background: var(--ink-700);
  outline: none;
}

.page-products .pp-rail__note {
  margin: 12px 0 0;
  font-size: 12px;
  color: var(--slate-500);
  line-height: 1.6;
  display: none;
}

/* 中部 */
.page-products .pp-block {
  border-top: 1px solid var(--line);
  padding: clamp(28px, 4vw, 48px) 0;
}

.page-products .pp-block:first-child {
  border-top: none;
  padding-top: 4px;
}

.page-products .pp-block__title {
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin: 12px 0 14px;
}

.page-products .pp-block__lede {
  margin: 0 0 24px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--pp-text);
  max-width: 46em;
}

/* ---------- 设备标签页 ---------- */
.page-products .pp-tabs {
  position: relative;
  border: 1px solid var(--line);
  background: var(--ink-800);
  padding: 14px;
}

.page-products .pp-tabs__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .pp-tabs__bar {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  scrollbar-width: thin;
}

.page-products .pp-tabs__label {
  flex: 0 0 auto;
  padding: 9px 16px;
  font-size: 13.5px;
  letter-spacing: 0.04em;
  color: var(--slate-300);
  background: var(--ink-700);
  border: 1px solid var(--line);
  cursor: pointer;
  user-select: none;
  transition: color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .pp-tabs__label:hover {
  color: var(--paper);
}

.page-products .pp-tabs__input:focus-visible ~ .pp-tabs__bar {
  outline: 2px solid var(--signal);
  outline-offset: 4px;
}

.page-products #pp-tab-phone:checked ~ .pp-tabs__bar label[for="pp-tab-phone"],
.page-products #pp-tab-pad:checked ~ .pp-tabs__bar label[for="pp-tab-pad"],
.page-products #pp-tab-desk:checked ~ .pp-tabs__bar label[for="pp-tab-desk"],
.page-products #pp-tab-wear:checked ~ .pp-tabs__bar label[for="pp-tab-wear"],
.page-products #pp-tab-car:checked ~ .pp-tabs__bar label[for="pp-tab-car"] {
  color: var(--paper);
  background: var(--ink-900);
  box-shadow: inset 3px 0 0 var(--signal);
}

.page-products .pp-panel {
  display: none;
  padding-top: 18px;
}

.page-products #pp-tab-phone:checked ~ .pp-tabs__panels #pp-panel-phone,
.page-products #pp-tab-pad:checked ~ .pp-tabs__panels #pp-panel-pad,
.page-products #pp-tab-desk:checked ~ .pp-tabs__panels #pp-panel-desk,
.page-products #pp-tab-wear:checked ~ .pp-tabs__panels #pp-panel-wear,
.page-products #pp-tab-car:checked ~ .pp-tabs__panels #pp-panel-car {
  display: block;
  animation: pp-slide-in 220ms var(--ease) both;
}

@keyframes pp-slide-in {
  from {
    opacity: 0;
    transform: translateX(-8px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.page-products .pp-panel__lead {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--pp-text);
}

.page-products .pp-panel__rows {
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-products .pp-panel__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .pp-panel__row dt {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--slate-500);
  font-family: var(--font-mono);
}

.page-products .pp-panel__row dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--paper);
}

/* ---------- 费用短行表 ---------- */
.page-products .pp-fee-group {
  margin-bottom: 24px;
}

.page-products .pp-fee-group__title {
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--slate-300);
  font-family: var(--font-mono);
  margin: 0 0 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}

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

.page-products .pp-fee__row {
  display: grid;
  grid-template-areas:
    "k v"
    "desc desc";
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 3px 14px;
  padding: 14px 0 14px 12px;
  border-bottom: 1px solid var(--line);
  position: relative;
}

.page-products .pp-fee__row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 5px;
  height: 1px;
  background: var(--slate-500);
}

.page-products .pp-fee__k {
  grid-area: k;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--paper);
  font-family: var(--font-display);
}

.page-products .pp-fee__desc {
  grid-area: desc;
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate-300);
}

.page-products .pp-fee__v {
  grid-area: v;
  justify-self: end;
  white-space: nowrap;
  font-size: 13.5px;
  color: var(--slate-300);
}

.page-products .pp-fee__v .num {
  font-family: var(--font-mono);
  font-size: 21px;
  font-weight: 700;
  color: var(--signal);
  letter-spacing: -0.02em;
}

/* ---------- 周期区间条 ---------- */
.page-products .pp-bars {
  border: 1px solid var(--line);
  background: var(--ink-800);
  padding: 6px 14px 14px;
}

.page-products .pp-bar {
  --start: 0%;
  --len: 20%;
  display: grid;
  grid-template-areas:
    "name val"
    "track track";
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 6px 12px;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .pp-bar:last-child {
  border-bottom: none;
}

.page-products .pp-bar--personal {
  --start: 20%;
  --len: 20%;
}

.page-products .pp-bar--corp {
  --start: 30%;
  --len: 40%;
}

.page-products .pp-bar--bulk {
  --start: 50%;
  --len: 50%;
}

.page-products .pp-bar__name {
  grid-area: name;
  font-size: 14px;
  color: var(--paper);
  font-weight: 700;
}

.page-products .pp-bar__val {
  grid-area: val;
  justify-self: end;
  white-space: nowrap;
  font-size: 13px;
  color: var(--slate-300);
}

.page-products .pp-bar__val .num {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--signal);
}

.page-products .pp-bar__track {
  grid-area: track;
  position: relative;
  height: 20px;
  background: var(--ink-900);
  border: 1px solid var(--line);
  background-image: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 10%);
}

.page-products .pp-bar__fill {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--start);
  width: var(--len);
  background: linear-gradient(90deg, var(--signal-deep), var(--signal));
  box-shadow: 0 0 0 1px rgba(255, 107, 44, 0.25);
}

.page-products .pp-bars__scale {
  display: flex;
  justify-content: space-between;
  margin: 8px 0 0;
  padding: 0 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--slate-500);
}

.page-products .pp-bars__scale .num {
  color: var(--slate-500);
  font-family: var(--font-mono);
}

/* ---------- 图片与折叠 ---------- */
.page-products .pp-figure {
  margin: 26px 0 0;
  border: 1px solid var(--line);
  background: var(--ink-800);
  padding: 10px;
}

.page-products .pp-figure img {
  width: 100%;
  border: 1px solid var(--line);
  object-fit: cover;
}

.page-products .pp-figure .figure__caption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--slate-300);
}

.page-products .pp-fold {
  margin-top: 20px;
  border: 1px solid var(--line);
  background: var(--ink-800);
}

.page-products .pp-fold > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  font-size: 14.5px;
  color: var(--paper);
  cursor: pointer;
  list-style: none;
}

.page-products .pp-fold > summary::-webkit-details-marker {
  display: none;
}

.page-products .pp-fold > summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--signal);
  line-height: 1;
}

.page-products .pp-fold[open] > summary::after {
  content: "–";
}

.page-products .pp-fold > summary:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: -2px;
}

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

.page-products .pp-fold__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--pp-text);
}

/* ---------- 服务清单 ---------- */
.page-products .pp-services {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .pp-services__item {
  background: var(--ink-800);
  padding: 18px 16px;
  position: relative;
}

.page-products .pp-services__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--signal);
  margin-bottom: 8px;
}

.page-products .pp-services__item h3 {
  font-size: 15.5px;
  margin: 0 0 7px;
  color: var(--paper);
}

.page-products .pp-services__item p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--slate-300);
}

/* ---------- 场景 ---------- */
.page-products .pp-scenes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-products .pp-scene {
  border: 1px solid var(--line);
  border-left: 3px solid var(--ok);
  background: var(--ink-800);
  padding: 18px 16px;
}

.page-products .pp-scene h3 {
  font-size: 15.5px;
  margin: 0 0 8px;
  color: var(--paper);
}

.page-products .pp-scene p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--slate-300);
}

.page-products .pp-scene__meta {
  margin-top: 10px !important;
  font-family: var(--font-mono);
  font-size: 12px !important;
  letter-spacing: 0.04em;
  color: var(--signal) !important;
} 

/* ---------- 流程 ---------- */
.page-products .pp-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  counter-reset: pp-step;
}

.page-products .pp-flow__step {
  position: relative;
  border: 1px solid var(--line);
  background: var(--ink-800);
  padding: 16px 16px 16px 54px;
}

.page-products .pp-flow__no {
  position: absolute;
  left: 14px;
  top: 16px;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  background: var(--ink-900);
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
}

.page-products .pp-flow__step h3 {
  font-size: 15px;
  margin: 0 0 6px;
  color: var(--paper);
}

.page-products .pp-flow__step p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--slate-300);
}

/* ---------- 右侧版本窄栏 ---------- */
.page-products .pp-side__card {
  border: 1px solid var(--line);
  background: var(--ink-800);
  padding: 16px;
}

.page-products .pp-side__label {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--slate-500);
}

.page-products .pp-side__version {
  margin: 0 0 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-products .pp-side__version .num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--signal);
}

.page-products .pp-side__matrix {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-products .pp-side__matrix li {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 13px;
  color: var(--slate-300);
  padding-bottom: 6px;
  border-bottom: 1px dashed rgba(43, 70, 61, 0.9);
}

.page-products .pp-side__matrix li:last-child {
  border-bottom: none;
}

.page-products .pp-side__matrix .num {
  font-family: var(--font-mono);
  color: var(--paper);
  font-size: 13px;
}

.page-products .pp-side__figure {
  margin: 0 0 12px;
  border: 1px solid var(--line);
  padding: 6px;
}

.page-products .pp-side__figure img {
  width: 100%;
  object-fit: cover;
}

.page-products .pp-side__note {
  margin: 0 0 16px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--slate-300);
}

.page-products .pp-side__link {
  display: block;
  margin-top: 12px;
  font-size: 13px;
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .pp-side__link:hover,
.page-products .pp-side__link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--signal);
  outline: none;
}

/* ---------- 底部下一步 ---------- */
.page-products .pp-next {
  background: var(--paper);
  color: var(--ink-900);
  border-top: 1px solid var(--line);
  padding: clamp(36px, 5vw, 64px) 0;
}

.page-products .pp-next__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.5vw, 48px);
}

.page-products .pp-next h2 {
  font-size: clamp(1.4rem, 2.8vw, 2.1rem);
  line-height: 1.25;
  color: var(--ink-900);
  margin: 12px 0 14px;
}

.page-products .pp-next__lede p {
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate-500);
  max-width: 34em;
}

.page-products .pp-next__links {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(11, 31, 26, 0.18);
}

.page-products .pp-next__links li {
  border-bottom: 1px solid rgba(11, 31, 26, 0.18);
}

.page-products .pp-next__links a {
  display: grid;
  gap: 3px;
  padding: 16px 2px;
  text-decoration: none;
  color: var(--ink-900);
  transition: padding-left var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .pp-next__links a span:first-child {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15.5px;
}

.page-products .pp-next__links a span:last-child {
  font-size: 13px;
  color: var(--slate-500);
  line-height: 1.6;
}

.page-products .pp-next__links a:hover,
.page-products .pp-next__links a:focus-visible {
  padding-left: 10px;
  color: var(--signal-deep);
  outline: none;
}

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

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

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

  .page-products .pp-panel__row {
    grid-template-columns: 110px minmax(0, 1fr);
    gap: 4px 14px;
    align-items: baseline;
  }

  .page-products .pp-panel__row dt {
    text-align: left;
  }

  .page-products .pp-fee__row {
    grid-template-areas: "k desc v";
    grid-template-columns: 150px minmax(0, 1fr) auto;
    align-items: baseline;
  }

  .page-products .pp-bar {
    grid-template-areas: "name track val";
    grid-template-columns: 130px minmax(0, 1fr) 150px;
  }
}

@media (min-width: 900px) {
  .page-products .pp-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-products .pp-board__grid {
    grid-template-columns: 172px minmax(0, 1fr);
    gap: clamp(20px, 2.6vw, 34px);
  }

  .page-products .pp-rail {
    position: sticky;
    top: 88px;
    align-self: start;
  }

  .page-products .pp-rail__list {
    flex-direction: column;
    overflow: visible;
    gap: 5px;
  }

  .page-products .pp-rail__list a {
    white-space: normal;
  }

  .page-products .pp-rail__note {
    display: block;
  }

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

  .page-products .pp-next__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }
}

@media (min-width: 1140px) {
  .page-products .pp-board__grid {
    grid-template-columns: 178px minmax(0, 1fr) 268px;
  }

  .page-products .pp-side {
    position: sticky;
    top: 88px;
    align-self: start;
  }

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

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

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-tabs__input:checked ~ .pp-tabs__panels .pp-panel {
    animation: none;
  }

  .page-products .pp-next__links a,
  .page-products .pp-rail__list a,
  .page-products .pp-side__link {
    transition: none;
  }
}
<<<END>>>