.page-products {
  --pp-line: rgba(27, 36, 55, .92);
  --pp-line-soft: rgba(107, 118, 131, .22);
  --pp-alt: rgba(14, 22, 38, .46);
  padding-bottom: clamp(40px, 6vw, 88px);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-products .page-products__crumbs {
  padding-top: clamp(16px, 3vw, 30px);
}

.page-products .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .05em;
  color: var(--rock);
}

.page-products .breadcrumb li {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-products .breadcrumb li + li::before {
  content: "";
  width: 12px;
  height: 1px;
  background: var(--line-strong);
}

.page-products .breadcrumb a {
  color: var(--rock);
  text-decoration: none;
  transition: color .16s var(--ease);
}

.page-products .breadcrumb a:hover {
  color: var(--cyan);
}

.page-products .breadcrumb [aria-current="page"] {
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-products__hero {
  position: relative;
  overflow: hidden;
}

.page-products__hero::before {
  content: "";
  position: absolute;
  top: -22%;
  right: -12%;
  width: min(680px, 78vw);
  height: min(440px, 54vw);
  background: linear-gradient(142deg, rgba(34, 211, 238, .17), rgba(30, 107, 255, .07) 52%, transparent 76%);
  transform: rotate(-9deg);
  pointer-events: none;
  z-index: 0;
}

.page-products__hero .container {
  position: relative;
  z-index: 1;
}

.page-products__title {
  margin: 14px 0 0;
  max-width: 15em;
  font-family: var(--font-head);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.14;
  font-size: clamp(28px, 5.2vw, 52px);
  color: var(--paper);
}

.page-products__br {
  display: none;
}

.page-products__lead {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.78;
  color: var(--paper);
  opacity: .82;
}

.page-products__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

/* ---------- 入口状态条 ---------- */
.page-products__status-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 14px;
}

.page-products__status-title {
  margin: 0;
  font-size: clamp(17px, 2.2vw, 21px);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-products__statusbar {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: clamp(16px, 2.5vw, 26px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--pp-line-soft);
  border: 1px solid var(--pp-line);
}

.page-products .ppst {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
  padding: 14px 16px;
  background: var(--ink-2);
  font-size: 13px;
}

.page-products .ppst__k {
  color: var(--paper);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.page-products .ppst__v {
  margin-left: auto;
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--rock);
  white-space: nowrap;
}

/* ---------- 差异对照 ---------- */
.page-products__diff-note {
  max-width: 44ch;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--rock);
}

.page-products__diff-fig {
  margin: clamp(20px, 3vw, 32px) 0 0;
}

.page-products__tabs {
  position: relative;
  margin-top: clamp(22px, 3.2vw, 36px);
}

.page-products .pp-tab-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  padding: 0;
  border: 0;
  opacity: 0;
  pointer-events: none;
}

.page-products__switcher {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  border-bottom: 1px solid var(--pp-line);
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-products__switcher::-webkit-scrollbar {
  display: none;
}

.page-products .pp-tab {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  flex: 0 0 auto;
  padding: 11px 14px;
  font-size: 13px;
  color: var(--rock);
  border: 1px solid transparent;
  border-bottom: 2px solid transparent;
  border-radius: var(--radius) var(--radius) 0 0;
  cursor: pointer;
  white-space: nowrap;
  transition: color .16s var(--ease), border-color .16s var(--ease), background-color .16s var(--ease);
}

.page-products .pp-tab:hover {
  color: var(--paper);
  background: rgba(242, 239, 233, .04);
}

.page-products .pp-tab__n {
  font-size: 10px;
  font-style: normal;
  letter-spacing: .08em;
  color: var(--rock);
  opacity: .8;
}

.page-products .pp-tab-input--login:checked ~ .page-products__switcher > .pp-tab:nth-child(1),
.page-products .pp-tab-input--ui:checked ~ .page-products__switcher > .pp-tab:nth-child(2),
.page-products .pp-tab-input--perf:checked ~ .page-products__switcher > .pp-tab:nth-child(3),
.page-products .pp-tab-input--family:checked ~ .page-products__switcher > .pp-tab:nth-child(4) {
  color: var(--paper);
  border-bottom-color: var(--cyan);
  background: rgba(34, 211, 238, .08);
}

.page-products .pp-tab-input--login:checked ~ .page-products__switcher > .pp-tab:nth-child(1) .pp-tab__n,
.page-products .pp-tab-input--ui:checked ~ .page-products__switcher > .pp-tab:nth-child(2) .pp-tab__n,
.page-products .pp-tab-input--perf:checked ~ .page-products__switcher > .pp-tab:nth-child(3) .pp-tab__n,
.page-products .pp-tab-input--family:checked ~ .page-products__switcher > .pp-tab:nth-child(4) .pp-tab__n {
  color: var(--cyan);
  opacity: 1;
}

.page-products .pp-panel {
  display: none;
  padding-top: clamp(18px, 3vw, 28px);
  animation: pp-panel-in .2s var(--ease) both;
}

.page-products .pp-tab-input--login:checked ~ .page-products__panels > .pp-panel--login,
.page-products .pp-tab-input--ui:checked ~ .page-products__panels > .pp-panel--ui,
.page-products .pp-tab-input--perf:checked ~ .page-products__panels > .pp-panel--perf,
.page-products .pp-tab-input--family:checked ~ .page-products__panels > .pp-panel--family {
  display: block;
}

@keyframes pp-panel-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-products .pp-panel__head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px 14px;
  align-items: start;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--pp-line);
}

.page-products .pp-panel__title {
  margin: 0;
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-products .pp-panel__verdict {
  grid-column: 1 / -1;
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--rock);
}

.page-products .pp-rows {
  margin-top: 4px;
}

.page-products .pp-row {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 5px 12px;
  align-items: start;
  padding: 14px 12px;
  font-size: 14px;
}

.page-products .pp-row:nth-child(odd) {
  background: var(--pp-alt);
}

.page-products .pp-row__dot {
  justify-self: center;
  margin-top: 6px;
}

.page-products .pp-row__name {
  margin: 0;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -.005em;
  line-height: 1.5;
  color: var(--paper);
}

.page-products .pp-row__old,
.page-products .pp-row__new {
  grid-column: 2 / -1;
  margin: 0;
  font-size: 13px;
  line-height: 1.68;
  color: var(--rock);
}

.page-products .pp-row__new {
  color: var(--paper);
  opacity: .78;
}

.page-products .pp-row__k {
  display: inline-block;
  margin-right: 7px;
  font-size: 10.5px;
  letter-spacing: .06em;
  color: var(--orange);
}

.page-products .pp-row__new .pp-row__k {
  color: var(--neon);
}

.page-products .pp-panel__fig {
  margin: 22px 0 0;
}

/* ---------- 家庭面板 ---------- */
.page-products__fam-note {
  max-width: 42ch;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--rock);
}

.page-products__famrail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(252px, 82%);
  gap: clamp(12px, 2vw, 18px);
  margin-top: clamp(20px, 3vw, 32px);
  padding: 4px 0 18px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-products .pp-fam {
  display: flex;
  flex-direction: column;
  gap: 11px;
  min-width: 0;
  padding: clamp(14px, 2vw, 18px);
  scroll-snap-align: start;
  background:
    linear-gradient(180deg, rgba(111, 138, 94, .08), transparent 58%),
    var(--ink-2);
  border: 1px solid var(--pp-line);
  border-top: 2px solid rgba(111, 138, 94, .55);
  border-radius: var(--radius);
}

.page-products .pp-fam__fig {
  margin: 0;
}

.page-products .pp-fam__no {
  font-size: 10.5px;
  letter-spacing: .09em;
  color: var(--moss);
  text-transform: uppercase;
}

.page-products .pp-fam__name {
  margin: 0;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--paper);
}

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

.page-products .pp-fam__meta li {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 10px;
  padding: 8px 0;
  border-top: 1px solid var(--pp-line-soft);
  font-size: 13px;
  line-height: 1.62;
  color: var(--rock);
}

.page-products .pp-fam__meta .mono {
  font-size: 10.5px;
  letter-spacing: .06em;
  color: var(--moss);
}

/* ---------- 登录步骤轴 ---------- */
.page-products__flow-note {
  max-width: 40ch;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--rock);
}

.page-products__flow-fig {
  margin: clamp(20px, 3vw, 32px) 0 0;
}

.page-products .pp-steps {
  margin-top: clamp(22px, 3.2vw, 34px);
}

.page-products .pp-steps__list {
  display: grid;
  gap: clamp(16px, 2.4vw, 26px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-step {
  position: relative;
  padding-top: 18px;
  border-top: 1px dashed var(--line-strong);
}

.page-products .pp-step::after {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: 26px;
  height: 3px;
  background: var(--cyan);
}

.page-products .pp-step__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 22px;
  padding: 0 8px;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--cyan);
  background: rgba(34, 211, 238, .08);
  border: 1px solid rgba(34, 211, 238, .4);
  border-radius: var(--radius);
}

.page-products .pp-step__title {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-products .pp-step__desc {
  margin: 8px 0 0;
  max-width: 40ch;
  font-size: 14px;
  line-height: 1.78;
  color: var(--rock);
}

/* ---------- 旧版功能去向 ---------- */
.page-products__legacy-note {
  max-width: 42ch;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--rock);
}

.page-products__legacy-grid {
  margin-top: clamp(20px, 3vw, 30px);
}

.page-products .pp-keep,
.page-products .pp-moved {
  padding: clamp(16px, 2.4vw, 24px);
  background: var(--ink-2);
  border: 1px solid var(--pp-line);
  border-radius: var(--radius);
}

.page-products .pp-keep {
  border-left: 2px solid rgba(34, 211, 238, .75);
}

.page-products .pp-moved {
  border-left: 2px solid rgba(255, 138, 61, .8);
}

.page-products .pp-keep h3,
.page-products .pp-moved h3 {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-products .pp-keep ul,
.page-products .pp-moved ul {
  display: grid;
  gap: 11px;
  margin: 0;
  padding: 0;
  list-style: none;
}

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

.page-products .pp-keep li::before,
.page-products .pp-moved li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 1px;
  background: currentColor;
}

.page-products .pp-keep li::before {
  background: rgba(34, 211, 238, .8);
}

.page-products .pp-moved li::before {
  background: rgba(255, 138, 61, .8);
}

.page-products__legacy-cta {
  margin: clamp(20px, 3vw, 28px) 0 0;
  max-width: 74ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--rock);
}

.page-products__legacy-cta a,
.page-products .pp-decide__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, .38);
  transition: border-color .16s var(--ease), color .16s var(--ease);
}

.page-products__legacy-cta a:hover,
.page-products .pp-decide__foot a:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 判断表 ---------- */
.page-products .pp-decide {
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--pp-line);
}

.page-products .pp-decide__item {
  display: grid;
  gap: 4px;
  padding: 15px 0;
  border-bottom: 1px solid var(--pp-line);
}

.page-products .pp-decide__cond {
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper);
}

.page-products .pp-decide__act {
  font-size: 14px;
  line-height: 1.7;
  color: var(--rock);
}

.page-products .pp-decide__arrow {
  display: none;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
  transform: skewX(-16deg);
}

.page-products .pp-decide__foot {
  margin: 20px 0 0;
  max-width: 66ch;
  font-size: 13px;
  line-height: 1.78;
  color: var(--rock);
}

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

  .page-products__famrail {
    grid-auto-columns: minmax(268px, 46%);
  }
}

@media (min-width: 720px) {
  .page-products__br {
    display: inline;
  }

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

  .page-products .pp-decide__item {
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    align-items: center;
    gap: 20px;
    padding: 16px 0;
  }

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

@media (min-width: 820px) {
  .page-products .pp-row {
    grid-template-columns: 14px minmax(120px, 186px) minmax(0, 1fr) minmax(0, 1fr);
    gap: 4px 18px;
    padding: 13px 16px;
  }

  .page-products .pp-row__name {
    font-size: 14.5px;
  }

  .page-products .pp-row__old,
  .page-products .pp-row__new {
    grid-column: auto;
  }
}

@media (min-width: 1020px) {
  .page-products__statusbar {
    grid-template-columns: repeat(5, 1fr);
  }

  .page-products__famrail {
    grid-auto-flow: row;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-auto-columns: auto;
    overflow: visible;
    scroll-snap-type: none;
    padding-bottom: 0;
  }

  .page-products .pp-fam {
    scroll-snap-align: none;
  }
}

@media (max-width: 700px) {
  .page-products .section__head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}

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

  .page-products .pp-tab,
  .page-products__legacy-cta a,
  .page-products .pp-decide__foot a {
    transition: none;
  }
}
<<<END>>>