.page-products {
  --pp-rail-w: 200px;
  --pp-gap: clamp(20px, 3vw, 44px);
  --pp-panel-space: clamp(36px, 5vw, 68px);
  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-body);
  padding-bottom: clamp(56px, 8vw, 104px);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 4vw, 44px) 0 clamp(26px, 4vw, 46px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(110% 80% at 92% -20%, rgba(53, 230, 218, 0.16), transparent 62%),
    radial-gradient(80% 64% at -6% 118%, rgba(255, 162, 58, 0.12), transparent 66%),
    var(--ink-900);
}

.page-products .pp-hero::after {
  content: "";
  position: absolute;
  right: -80px;
  top: 14%;
  width: 260px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan-line), transparent);
  transform: rotate(-38deg);
  pointer-events: none;
}

.page-products .pp-hero__kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: clamp(16px, 2.6vw, 26px) 0 0;
}

.page-products .pp-hero__dash {
  display: block;
  width: clamp(28px, 6vw, 64px);
  height: 1px;
  background: var(--cyan);
  opacity: 0.7;
}

.page-products .pp-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 6.6vw, 76px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  max-width: 14em;
}

.page-products .pp-hero__sub {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(16px, 2.2vw, 22px);
  line-height: 1.5;
  color: var(--cyan);
}

.page-products .pp-hero__lead {
  margin: 18px 0 0;
  max-width: 36em;
  font-size: 17px;
  line-height: 1.9;
  color: var(--ash);
}

.page-products .pp-jump__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-jump__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  font-size: 14px;
  color: var(--paper);
  text-decoration: none;
  background: var(--ink-800);
  border: 1px solid var(--line);
  clip-path: var(--cut-sm);
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-products .pp-jump__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-products .pp-jump__list a:hover,
.page-products .pp-jump__list a:focus-visible {
  background: var(--ink-700);
  border-color: var(--cyan-line);
}

/* ---------- 主体分栏 ---------- */
.page-products .pp-body {
  display: block;
  padding-top: clamp(26px, 4vw, 48px);
}

.page-products .pp-rail {
  display: none;
}

@media (min-width: 1024px) {
  .page-products .pp-body {
    display: grid;
    grid-template-columns: var(--pp-rail-w) minmax(0, 1fr);
    gap: var(--pp-gap);
    align-items: start;
  }

  .page-products .pp-rail {
    display: block;
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
    padding-right: 8px;
    border-right: 1px solid var(--line-soft);
  }

  .page-products .pp-jump {
    display: none;
  }
}

.page-products .pp-rail__head {
  margin: 0 0 14px;
  color: var(--ash);
}

.page-products .pp-rail__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-products .pp-rail__item a {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  align-items: baseline;
  gap: 8px;
  padding: 9px 8px 9px 10px;
  color: var(--ash);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-products .pp-rail__item a:hover,
.page-products .pp-rail__item a:focus-visible {
  color: var(--paper);
  border-left-color: var(--amber);
  background: var(--ink-800);
}

.page-products .pp-rail__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-products .pp-rail__label {
  font-size: 14px;
  line-height: 1.5;
}

.page-products .pp-rail__foot {
  margin: 18px 0 0;
  padding-left: 10px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--ash);
}

.page-products .pp-rail__foot a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 面板 ---------- */
.page-products .pp-panel {
  padding-top: 4px;
}

.page-products .pp-panel + .pp-panel {
  margin-top: var(--pp-panel-space);
  padding-top: var(--pp-panel-space);
  border-top: 1px solid var(--line-soft);
}

.page-products .pp-panel__no {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-products .pp-panel__no span {
  padding: 2px 7px;
  color: var(--ink-900);
  background: var(--cyan);
}

.page-products .pp-panel h2 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  max-width: 18em;
}

.page-products .pp-panel__lead {
  margin: 14px 0 0;
  max-width: 38em;
  font-size: 17px;
  line-height: 1.9;
  color: var(--ash);
}

.page-products .pp-panel a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 图片 ---------- */
.page-products .pp-figure {
  position: relative;
  margin: clamp(20px, 3vw, 30px) 0 0;
  overflow: hidden;
  clip-path: var(--cut);
  background: var(--ink-800);
}

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

.page-products .pp-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 0 1px var(--cyan-line);
  pointer-events: none;
}

.page-products .pp-figure--wide img {
  aspect-ratio: 3 / 2;
}

.page-products .pp-figure--tall img {
  aspect-ratio: 3 / 4;
}

.page-products .pp-figure--banner img {
  aspect-ratio: 2 / 1;
}

.page-products .pp-figure__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-900);
  background: var(--cyan);
}

/* ---------- 三条服务线 ---------- */
.page-products .pp-lines {
  display: grid;
  gap: 16px;
  margin-top: clamp(18px, 3vw, 28px);
}

@media (min-width: 880px) {
  .page-products .pp-lines {
    grid-template-columns: 1.35fr 1fr;
    grid-template-rows: repeat(2, minmax(0, auto));
    align-items: stretch;
  }

  .page-products .pp-line--lead {
    grid-row: 1 / span 2;
  }
}

.page-products .pp-line {
  padding: clamp(18px, 2.6vw, 28px);
  background: var(--ink-800);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-products .pp-line--lead {
  background:
    linear-gradient(150deg, rgba(53, 230, 218, 0.09), transparent 58%),
    var(--ink-800);
}

.page-products .pp-line__tag {
  margin: 0;
  color: var(--amber);
}

.page-products .pp-line h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18px, 2.2vw, 23px);
  line-height: 1.4;
}

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

.page-products .pp-line__list {
  margin: 2px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-products .pp-line__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper);
}

.page-products .pp-line__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

.page-products .pp-line__out {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  color: var(--ash);
}

.page-products .pp-line__out .mono-label {
  margin-right: 8px;
  color: var(--mute);
}

/* ---------- 五阶段流程 ---------- */
.page-products .pp-flow {
  position: relative;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-products .pp-flow__path {
  display: none;
  width: 100%;
  height: 92px;
  margin-bottom: 6px;
}

@media (min-width: 960px) {
  .page-products .pp-flow__path {
    display: block;
  }
}

.page-products .pp-flow__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

@media (min-width: 960px) {
  .page-products .pp-flow__list {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 12px;
  }
}

.page-products .pp-flow__item {
  padding: 16px 14px 18px;
  background: var(--ink-800);
  border-left: 2px solid var(--ink-700);
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-products .pp-flow__item:hover {
  border-left-color: var(--cyan);
}

.page-products .pp-flow__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--mute);
  line-height: 1;
}

.page-products .pp-flow__item h3 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.45;
}

.page-products .pp-flow__item p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ash);
}

.page-products .pp-flow__out {
  padding-top: 8px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--cyan) !important;
}

/* ---------- 字段体系 ---------- */
.page-products .pp-groups {
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

@media (min-width: 760px) {
  .page-products .pp-groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }
}

@media (min-width: 1100px) {
  .page-products .pp-groups {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-products .pp-group {
  padding: 16px;
  background: var(--ink-800);
  border-top: 1px solid var(--line);
}

.page-products .pp-group__no {
  margin: 0;
  color: var(--ash);
}

.page-products .pp-group h3 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.4;
}

.page-products .pp-group__num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--amber);
}

.page-products .pp-group p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ash);
}

.page-products .pp-fields {
  margin-top: clamp(22px, 3vw, 34px);
}

.page-products .pp-fields__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

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

.page-products .pp-field {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  grid-template-areas:
    "no name scope"
    "no desc desc";
  gap: 4px 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pp-field__no {
  grid-area: no;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--mute);
  padding-top: 2px;
}

.page-products .pp-field__name {
  grid-area: name;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-products .pp-field__desc {
  grid-area: desc;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ash);
}

.page-products .pp-field__scope {
  grid-area: scope;
  align-self: start;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink-900);
  background: var(--cyan);
  white-space: nowrap;
}

@media (min-width: 768px) {
  .page-products .pp-field {
    grid-template-columns: 44px 168px minmax(0, 1fr) auto;
    grid-template-areas: "no name desc scope";
    align-items: baseline;
    gap: 16px;
  }
}

/* ---------- 账户中心 ---------- */
.page-products .pp-path {
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
  border-left: 1px solid var(--line);
}

.page-products .pp-path__item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 12px;
  padding: 12px 0 12px 14px;
  position: relative;
}

.page-products .pp-path__item::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 20px;
  width: 7px;
  height: 7px;
  background: var(--ink-900);
  border: 1px solid var(--mute);
  border-radius: 50%;
}

.page-products .pp-path__item:first-child::before {
  border-color: var(--cyan);
  background: var(--cyan);
}

.page-products .pp-path__no {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-products .pp-path__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper);
}

.page-products .pp-records {
  margin-top: clamp(20px, 3vw, 30px);
  display: grid;
  gap: 16px;
}

@media (min-width: 880px) {
  .page-products .pp-records {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pp-records .pp-figure {
    margin-top: 0;
  }
}

.page-products .pp-records__side {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-products .pp-records__note {
  margin: 0;
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ash);
  background: var(--ink-800);
  border-left: 2px solid var(--mute);
}

/* ---------- 设备安装 ---------- */
.page-products .pp-install {
  margin-top: clamp(20px, 3vw, 32px);
  display: grid;
  gap: 24px;
}

@media (min-width: 1024px) {
  .page-products .pp-install {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.78fr);
    gap: 28px;
    align-items: start;
  }

  .page-products .pp-install__main .pp-figure {
    margin-top: 0;
  }
}

.page-products .pp-install__main {
  min-width: 0;
}

.page-products .pp-steps {
  margin-top: 20px;
  display: grid;
  gap: 8px;
}

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

.page-products .pp-step .fold__summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 13px 14px;
  cursor: pointer;
}

.page-products .pp-step__no {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
  color: var(--amber);
  flex: none;
  width: 20px;
}

.page-products .pp-step__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.5;
  color: var(--paper);
}

.page-products .pp-step .fold__body p {
  margin: 0;
  padding: 0 14px 14px 46px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ash);
}

.page-products .pp-aside {
  min-width: 0;
  display: grid;
  gap: 16px;
}

.page-products .pp-note {
  padding: 18px;
  background: var(--teal-950);
  border-left: 2px solid var(--cyan);
}

.page-products .pp-note__label {
  margin: 0;
  color: var(--cyan);
}

.page-products .pp-note h3 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.45;
  color: var(--paper);
}

.page-products .pp-note p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--paper);
  opacity: 0.86;
}

.page-products .pp-aside .pp-figure {
  margin-top: 0;
}

/* ---------- 交付周期 ---------- */
.page-products .pp-stats {
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
}

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

@media (min-width: 1000px) {
  .page-products .pp-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-products .pp-stat {
  padding: 18px 16px 20px;
  background: var(--ink-800);
}

.page-products .pp-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(24px, 3.2vw, 32px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--amber);
  line-height: 1.1;
}

.page-products .pp-stat__label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ash);
}

.page-products .pp-delivery__body {
  margin: 22px 0 0;
  max-width: 38em;
  font-size: 15px;
  line-height: 1.95;
  color: var(--ash);
}

/* ---------- 下一步 ---------- */
.page-products .pp-panel--next {
  padding-bottom: 8px;
}

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

@media (min-width: 860px) {
  .page-products .pp-next {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-products .pp-next__item {
  display: block;
  padding: 20px 18px 22px;
  text-decoration: none;
  color: var(--paper);
  background: var(--ink-800);
  border-top: 2px solid var(--ink-700);
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-products .pp-next__item:hover,
.page-products .pp-next__item:focus-visible {
  border-top-color: var(--amber);
  background: var(--ink-700);
  transform: translateY(-1px);
}

.page-products .pp-next__no {
  display: inline-block;
  margin: 0 0 10px;
  padding: 1px 7px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-900);
  background: var(--cyan);
}

.page-products .pp-next__item h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.4;
  color: var(--paper);
}

.page-products .pp-next__item p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ash);
}

.page-products .pp-next__go {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-products .pp-next__foot {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--ash);
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-next__item,
  .page-products .pp-flow__item,
  .page-products .pp-jump__list a,
  .page-products .pp-rail__item a {
    transition: none;
    transform: none;
  }
}
<<<PAGE_CSS_END>>>