.page-products {
  --pp-rule-ink: rgba(233, 228, 246, .14);
  --pp-rule-cyan: rgba(47, 243, 224, .3);
  --pp-rule-amber: rgba(255, 176, 0, .42);
  --pp-gap-lg: 64px;
  --pp-gap-md: 36px;
  background: var(--ink);
  color: var(--ink-text);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-products h1,
.page-products h2,
.page-products h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -.02em;
}

.page-products h1 {
  font-size: clamp(36px, 7.2vw, 88px);
  line-height: 1.02;
}

.page-products h2 {
  font-size: clamp(27px, 4.2vw, 44px);
  line-height: 1.1;
}

.page-products h3 {
  font-size: clamp(19px, 2.3vw, 26px);
  line-height: 1.25;
}

.page-products p {
  margin: 0 0 14px;
  line-height: 1.75;
  font-size: 16px;
}

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

.page-products .pp-crumb {
  padding-top: 18px;
  padding-bottom: 4px;
}

.page-products .pp-crumb__now {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
}

.page-products .media {
  margin: 0;
  overflow: hidden;
  background: var(--ink-2);
}

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

.page-products .media__caption {
  padding: 10px 2px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: .03em;
  color: var(--ink-mute);
}

.page-products .pp-link {
  color: var(--volt-lift);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .16s ease, color .16s ease;
}

.page-products .pp-link:hover {
  border-bottom-color: var(--amber);
  color: var(--cyan);
}

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

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  padding: 28px 0 8px;
  background:
    radial-gradient(880px 420px at 84% -14%, rgba(122, 59, 255, .3), transparent 70%),
    radial-gradient(620px 320px at 4% 8%, rgba(47, 243, 224, .08), transparent 72%),
    var(--ink);
}

.page-products .pp-hero__grid {
  display: grid;
  gap: 28px;
  padding-bottom: var(--pp-gap-md);
}

.page-products .pp-hero__kicker {
  display: block;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-products .pp-hero__lead {
  margin-top: 20px;
  max-width: 40ch;
  color: var(--ink-text);
  font-size: 17px;
  line-height: 1.72;
}

.page-products .pp-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.page-products .pp-stat {
  padding: 6px 13px;
  border: 1px solid var(--pp-rule-cyan);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--ink-mute);
  white-space: nowrap;
}

.page-products .pp-stat b {
  color: var(--cyan);
  font-weight: 700;
}

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

.page-products .pp-entry {
  display: grid;
  gap: 6px;
  padding: 18px 18px 20px;
  border: 1px solid var(--pp-rule-ink);
  border-left: 3px solid var(--volt);
  background: var(--ink-2);
  text-decoration: none;
  transition: border-color .16s ease, background-color .16s ease;
}

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

.page-products .pp-entry:hover {
  border-color: var(--cyan);
  background: var(--ink-3);
}

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

.page-products .pp-entry__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--volt-lift);
}

.page-products .pp-entry--b .pp-entry__k {
  color: var(--cyan);
}

.page-products .pp-entry__t {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 900;
  color: var(--ink-text);
  letter-spacing: -.01em;
}

.page-products .pp-entry__d {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-mute);
}

.page-products .pp-hero__figure {
  border: 1px solid var(--pp-rule-cyan);
  background: var(--ink-2);
}

.page-products .pp-hero__figure .media__caption {
  padding: 10px 14px 12px;
}

/* ---------- 章节头 ---------- */
.page-products .pp-sec-head {
  max-width: 46rem;
  margin-bottom: var(--pp-gap-md);
}

.page-products .pp-sec-head .annotation {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-products .pp-sec-head p {
  color: var(--ink-mute);
}

/* ---------- 两条清单 ---------- */
.page-products .pp-duo__wrap {
  display: grid;
  gap: 30px;
}

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

.page-products .pp-duo__col {
  padding-top: 18px;
  border-top: 2px solid var(--volt);
}

.page-products .pp-duo__col--b {
  border-top-color: var(--cyan);
}

.page-products .pp-duo__ver {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--volt-lift);
}

.page-products .pp-duo__ver--cyan {
  color: var(--cyan);
}

.page-products .pp-duo__col p {
  color: var(--ink-mute);
  font-size: 15px;
}

.page-products .pp-duo__list {
  list-style: none;
  margin: 16px 0 22px;
  padding: 0;
}

.page-products .pp-duo__list li {
  position: relative;
  padding: 11px 0 11px 20px;
  border-bottom: 1px solid var(--pp-rule-ink);
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink-text);
}

.page-products .pp-duo__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 19px;
  width: 7px;
  height: 7px;
  background: var(--cyan);
}

.page-products .pp-duo__col--b .pp-duo__list li::before {
  background: var(--volt-lift);
}

/* ---------- 字段说明 ---------- */
.page-products .pp-fields {
  color: var(--paper-text);
  background: var(--paper);
  padding: 56px 0 60px;
}

.page-products .pp-fields h2 {
  color: var(--paper-text);
}

.page-products .pp-fields__grid {
  display: grid;
  gap: var(--pp-gap-md);
}

.page-products .pp-fields__kicker {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan-deep);
}

.page-products .pp-fields__lead p {
  color: var(--paper-mute);
}

.page-products .pp-fields__note {
  margin-top: 20px;
  padding-left: 14px;
  border-left: 3px solid var(--cyan-deep);
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper-text);
}

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

.page-products .pp-field {
  padding: 18px 0 20px;
  border-top: 1px solid var(--paper-line);
}

.page-products .pp-field dt {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--paper-text);
}

.page-products .pp-field dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper-mute);
}

.page-products .pp-field__dot {
  flex: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.page-products .pp-field__dot--volt { background: var(--volt); }
.page-products .pp-field__dot--cyan { background: var(--cyan-deep); }
.page-products .pp-field__dot--amber { background: var(--amber); }
.page-products .pp-field__dot--coral { background: var(--coral); }

/* ---------- 分类结构 ---------- */
.page-products .pp-cats {
  background: var(--ink);
  padding: 56px 0 60px;
}

.page-products .pp-cats__kicker {
  color: var(--volt-lift) !important;
}

.page-products .pp-cats__body {
  display: grid;
  gap: var(--pp-gap-md);
  align-items: start;
}

.page-products .pp-cats__text p {
  color: var(--ink-mute);
}

.page-products .pp-cats__fig {
  border: 1px solid var(--pp-rule-ink);
}

.page-products .pp-cats__fig .media__caption {
  padding: 10px 12px 12px;
}

.page-products .pp-cat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: var(--pp-gap-md) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-cat {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 12px 13px;
  border: 1px solid var(--pp-rule-amber);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--ink-text);
  transition: border-color .16s ease, color .16s ease, background-color .16s ease;
}

.page-products .pp-cat:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(47, 243, 224, .06);
}

.page-products .pp-cat__i {
  font-size: 11px;
  color: var(--amber);
}

.page-products .pp-cat:hover .pp-cat__i {
  color: var(--cyan);
}

.page-products .pp-cats__band {
  margin-top: var(--pp-gap-md);
  border-top: 1px solid var(--pp-rule-ink);
}

/* ---------- 交叉检索 ---------- */
.page-products .pp-cross {
  color: var(--paper-text);
  padding: 56px 0 60px;
}

.page-products .pp-cross h2,
.page-products .pp-cross h3 {
  color: var(--paper-text);
}

.page-products .pp-cross .pp-sec-head p {
  color: var(--paper-mute);
}

.page-products .pp-cross__kicker {
  color: var(--cyan-deep) !important;
}

.page-products .pp-cross__wrap {
  display: grid;
  gap: var(--pp-gap-md);
  align-items: start;
}

.page-products .pp-path {
  padding: 20px 0 4px;
  border-top: 2px solid var(--volt);
}

.page-products .pp-path--b {
  border-top-color: var(--cyan-deep);
}

.page-products .pp-path__no {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--volt);
}

.page-products .pp-path__no--cyan {
  color: var(--cyan-deep);
}

.page-products .pp-path p {
  color: var(--paper-mute);
  font-size: 15px;
}

.page-products .pp-cross__note {
  margin-top: 22px;
  padding: 16px 0 0 14px;
  border-left: 3px solid var(--amber);
  border-top: 1px solid var(--paper-line);
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper-text);
}

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

.page-products .pp-cross__fig .media__caption {
  padding: 10px 10px 12px;
  color: var(--paper-mute);
}

/* ---------- 刷新节奏 ---------- */
.page-products .pp-cycle__wrap {
  display: grid;
  gap: var(--pp-gap-md);
  align-items: start;
}

.page-products .pp-step {
  border-top: 1px solid var(--pp-rule-ink);
  transition: background-color .18s ease;
}

.page-products .pp-step:last-child {
  border-bottom: 1px solid var(--pp-rule-ink);
}

.page-products .pp-step[open] {
  background: var(--ink-3);
}

.page-products .pp-step__sum {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 16px 12px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--ink-text);
}

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

.page-products .pp-step__sum:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-products .pp-step__i {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-products .pp-step__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink-mute);
  transition: background-color .18s ease, box-shadow .18s ease;
}

.page-products .pp-step[open] .pp-step__dot {
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(47, 243, 224, .16);
}

.page-products .pp-step__body {
  padding: 0 12px 18px 50px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-mute);
}

.page-products .pp-cycle__fig {
  border: 1px solid var(--pp-rule-cyan);
}

.page-products .pp-cycle__fig .media__caption {
  padding: 10px 12px 12px;
}

/* ---------- 历史对照 ---------- */
.page-products .pp-history {
  background: var(--paper);
  color: var(--paper-text);
  padding: 56px 0 60px;
}

.page-products .pp-history h2 {
  color: var(--paper-text);
}

.page-products .pp-history .pp-sec-head p {
  color: var(--paper-mute);
}

.page-products .pp-history__kicker {
  color: var(--amber) !important;
}

.page-products .pp-compare {
  display: grid;
  gap: 16px;
}

.page-products .pp-panel {
  padding: 18px 18px 20px;
  border: 1px solid var(--paper-line);
  background: var(--paper-2);
}

.page-products .pp-panel--now {
  border-left: 4px solid var(--volt);
}

.page-products .pp-panel--old {
  border-left: 4px solid var(--amber);
}

.page-products .pp-panel__k {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--paper-mute);
}

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

.page-products .pp-panel__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--paper-line);
}

.page-products .pp-panel__row dt {
  font-size: 13px;
  color: var(--paper-mute);
}

.page-products .pp-panel__row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--paper-text);
}

.page-products .pp-history__note {
  margin-top: 26px;
  max-width: 52rem;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper-text);
}

.page-products .pp-history__note .pp-link {
  color: var(--volt);
}

.page-products .pp-history__note .pp-link:hover {
  color: var(--cyan-deep);
}

/* ---------- 使用场景 ---------- */
.page-products .pp-users {
  background: var(--ink-2);
  padding: 56px 0 64px;
}

.page-products .pp-users__grid {
  display: grid;
  gap: 0;
}

.page-products .pp-user {
  padding: 22px 0 26px;
  border-top: 2px solid var(--volt);
}

.page-products .pp-user--b {
  border-top-color: var(--cyan);
}

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

.page-products .pp-user__k {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--volt-lift);
}

.page-products .pp-user__k--cyan { color: var(--cyan); }
.page-products .pp-user__k--amber { color: var(--amber); }

.page-products .pp-user p {
  color: var(--ink-mute);
  font-size: 15px;
}

/* ---------- 收尾 ---------- */
.page-products .pp-cta {
  position: relative;
  padding: 52px 0 0;
  background:
    linear-gradient(122deg, rgba(122, 59, 255, .26), rgba(47, 243, 224, .1) 58%, transparent 86%),
    var(--ink);
  border-top: 1px solid var(--pp-rule-cyan);
}

.page-products .pp-cta__inner {
  display: grid;
  gap: 28px;
  padding-bottom: 52px;
}

.page-products .pp-cta__text p {
  color: var(--ink-mute);
  max-width: 42ch;
}

.page-products .pp-cta__acts {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-products .pp-cta__link {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--ink-mute);
  text-decoration: none;
  border-bottom: 1px solid var(--pp-rule-ink);
  padding-bottom: 3px;
  transition: color .16s ease, border-color .16s ease;
}

.page-products .pp-cta__link:hover {
  color: var(--cyan);
  border-bottom-color: var(--amber);
}

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

.page-products .pp-cta__rule {
  height: 4px;
  background: linear-gradient(90deg, var(--volt) 0 33%, var(--cyan) 33% 66%, var(--amber) 66% 100%);
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 700px) {
  .page-products .pp-cat-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .pp-cycle__wrap,
  .page-products .pp-cross__wrap {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

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

  .page-products .pp-cta__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: end;
  }
}

@media (min-width: 900px) {
  .page-products .pp-hero__grid {
    grid-template-columns: minmax(0, 1.34fr) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-products .pp-duo__wrap {
    grid-template-columns: minmax(0, 1fr) 1px minmax(0, 1fr);
    gap: 54px;
  }

  .page-products .pp-duo__rule {
    display: block;
    background-image: linear-gradient(to bottom, var(--cyan) 0 1px, transparent 1px 9px);
    background-size: 1px 9px;
    opacity: .55;
  }

  .page-products .pp-fields__grid {
    grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
    gap: var(--pp-gap-lg);
  }

  .page-products .pp-compare {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 24px;
  }

  .page-products .pp-users__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 32px;
  }

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

@media (min-width: 1100px) {
  .page-products .pp-hero {
    padding-top: 40px;
  }

  .page-products .pp-cats__body {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: var(--pp-gap-lg);
  }
}

@media (max-width: 420px) {
  .page-products .pp-step__body {
    padding-left: 12px;
  }

  .page-products .pp-stat {
    font-size: 11px;
  }
}
<<<END>>>