.page-products {
  --pp-gap: clamp(14px, 2.2vw, 22px);
  --pp-soft-cyan: rgba(47, 243, 208, 0.1);
  --pp-soft-warm: rgba(255, 138, 61, 0.12);
  padding-top: clamp(8px, 1.6vw, 16px);
}

/* ---------- 面包屑下的首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 4.6vw, 52px) 0 clamp(30px, 5vw, 58px);
}

.page-products .pp-hero::before {
  content: "";
  position: absolute;
  top: -38%;
  right: -12%;
  width: min(620px, 78vw);
  aspect-ratio: 1;
  background: radial-gradient(circle at 42% 42%, rgba(123, 91, 255, 0.36), transparent 68%);
  pointer-events: none;
  z-index: 0;
}

.page-products .pp-hero::after {
  content: "";
  position: absolute;
  bottom: -12%;
  left: -18%;
  width: min(560px, 70vw);
  aspect-ratio: 1;
  background: radial-gradient(circle at 50% 50%, rgba(47, 243, 208, 0.14), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

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

.page-products .pp-hero__title {
  max-width: 20em;
  margin: clamp(10px, 1.6vw, 18px) 0 0;
}

.page-products .pp-hero__lede {
  margin-top: clamp(14px, 2.2vw, 22px);
  color: var(--text);
}

/* ---------- 等宽指标条 ---------- */
.page-products .pp-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(26px, 4vw, 44px);
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-products .pp-metric {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: clamp(16px, 2.6vw, 24px) clamp(14px, 2.2vw, 22px);
  background: linear-gradient(180deg, rgba(22, 38, 74, 0.55), rgba(11, 23, 48, 0.9));
}

.page-products .pp-metric__num {
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  font-size: clamp(26px, 5vw, 40px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--cyan-400);
}

.page-products .pp-metric__num em {
  font-style: normal;
  font-size: 0.46em;
  font-weight: 500;
  color: var(--orange-500);
}

.page-products .pp-metric__label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-muted);
}

/* ---------- 通用章节 ---------- */
.page-products .pp-section {
  padding: clamp(44px, 7vw, 88px) 0;
}

.page-products .pp-section--tint {
  position: relative;
  background: linear-gradient(180deg, rgba(11, 23, 48, 0.72), rgba(6, 11, 26, 0.2));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .pp-head {
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-products .pp-head .lede {
  margin-top: clamp(12px, 1.8vw, 18px);
}

/* ---------- 总览 ---------- */
.page-products .pp-overview {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
}

.page-products .pp-overview__text p {
  margin: 0 0 1em;
  max-width: 42em;
  line-height: 1.85;
}

.page-products .pp-overview__text p:last-child {
  margin-bottom: 0;
}

.page-products .pp-overview__media {
  border-radius: var(--radius-lg);
}

/* ---------- 九栏目卡片 ---------- */
.page-products .pp-columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-column-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(22, 38, 74, 0.62), rgba(11, 23, 48, 0.94));
  transition: transform 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease;
}

.page-products .pp-column-card::after {
  content: "";
  position: absolute;
  inset: auto 18% -1px 18%;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, var(--cyan-400), transparent);
  opacity: 0;
  transition: opacity 0.28s ease;
}

.page-products .pp-column-card:hover,
.page-products .pp-column-card:focus-within {
  transform: translateY(-6px);
  border-color: rgba(47, 243, 208, 0.42);
  box-shadow: var(--glow-cyan);
}

.page-products .pp-column-card:hover::after,
.page-products .pp-column-card:focus-within::after {
  opacity: 1;
}

.page-products .pp-column-card__no {
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--cyan-400);
}

.page-products .pp-column-card__title {
  margin: 0;
  font-size: clamp(18px, 2.4vw, 21px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text-strong);
}

.page-products .pp-column-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

.page-products .pp-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
  padding-top: 6px;
  opacity: 0.72;
  transition: opacity 0.28s ease;
}

.page-products .pp-column-card:hover .pp-chips,
.page-products .pp-column-card:focus-within .pp-chips {
  opacity: 1;
}

.page-products .pp-chip {
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid currentColor;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.page-products .pp-chip--pdf { color: var(--orange-500); }
.page-products .pp-chip--xlsx { color: var(--green-400); }
.page-products .pp-chip--docx { color: var(--cyan-400); }
.page-products .pp-chip--zip { color: var(--violet-500); }

/* ---------- 双版本对照台 ---------- */
.page-products .pp-compare {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(12px, 2vw, 18px);
  padding: clamp(16px, 2.6vw, 24px);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(120% 140% at 8% 0%, rgba(123, 91, 255, 0.16), transparent 62%),
    radial-gradient(120% 140% at 92% 100%, rgba(255, 138, 61, 0.14), transparent 62%),
    var(--panel);
  box-shadow: var(--shadow-soft);
}

.page-products .pp-compare__col {
  padding: clamp(18px, 2.6vw, 26px);
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(6, 11, 26, 0.55);
}

.page-products .pp-compare__col--test {
  border-color: rgba(123, 91, 255, 0.42);
}

.page-products .pp-compare__col--live {
  border-color: rgba(53, 208, 127, 0.38);
}

.page-products .pp-compare__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}

.page-products .pp-compare__meta {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

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

.page-products .pp-compare__list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

.page-products .pp-compare__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 9px;
  height: 1px;
  background: var(--cyan-400);
}

.page-products .pp-compare__seam {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.page-products .pp-compare__seam-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan-400), var(--violet-500), transparent);
}

.page-products .pp-compare__seam-tag {
  flex: none;
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  border: 1px dashed rgba(47, 243, 208, 0.5);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan-400);
}

.page-products .pp-compare__media {
  margin-top: clamp(16px, 2.4vw, 26px);
  border-radius: var(--radius-lg);
}

/* ---------- 双端体验 ---------- */
.page-products .pp-device {
  display: grid;
  gap: clamp(24px, 3.6vw, 44px);
  align-items: start;
}

.page-products .pp-device__body p {
  margin: 0 0 1em;
  max-width: 42em;
  line-height: 1.85;
}

.page-products .pp-device__facts {
  display: grid;
  gap: 0;
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  border-top: 1px solid var(--line);
}

.page-products .pp-device__fact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .pp-device__fact dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan-400);
}

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

.page-products .pp-device__link {
  margin: clamp(20px, 2.8vw, 28px) 0 0;
}

.page-products .pp-device__phone {
  aspect-ratio: 4 / 5;
  max-width: 340px;
  margin-inline: auto;
  border-radius: var(--radius-lg);
}

/* ---------- 下载格式 ---------- */
.page-products .pp-formats {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

.page-products .pp-format {
  position: relative;
  padding: clamp(20px, 2.8vw, 26px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--panel);
  overflow: hidden;
  transition: border-color 0.26s ease, transform 0.26s ease;
}

.page-products .pp-format::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: currentColor;
  opacity: 0.75;
}

.page-products .pp-format--pdf { color: var(--orange-500); }
.page-products .pp-format--xlsx { color: var(--green-400); }
.page-products .pp-format--docx { color: var(--cyan-400); }
.page-products .pp-format--zip { color: var(--violet-500); }

.page-products .pp-format:hover {
  transform: translateY(-4px);
  border-color: currentColor;
}

.page-products .pp-format__tag {
  display: inline-block;
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid currentColor;
  font-size: 12px;
  letter-spacing: 0.12em;
}

.page-products .pp-format__title {
  margin: 14px 0 8px;
  font-size: clamp(17px, 2.2vw, 19px);
  font-weight: 800;
  color: var(--text-strong);
}

.page-products .pp-format__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

.page-products .pp-naming {
  margin-top: clamp(24px, 3.4vw, 38px);
  padding: clamp(20px, 3vw, 30px);
  border-left: 2px solid var(--cyan-400);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: linear-gradient(90deg, rgba(47, 243, 208, 0.09), transparent 72%);
}

.page-products .pp-naming__title {
  margin: 0 0 10px;
  font-size: clamp(17px, 2.2vw, 20px);
  font-weight: 800;
  color: var(--text-strong);
}

.page-products .pp-naming__text {
  margin: 0;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
}

.page-products .pp-format__media {
  margin-top: clamp(24px, 3.4vw, 38px);
  border-radius: var(--radius-lg);
}

/* ---------- 更新节奏 ---------- */
.page-products .pp-timeline {
  position: relative;
  margin: 0;
  padding: 0 0 0 24px;
  list-style: none;
  display: grid;
  gap: clamp(24px, 3.4vw, 34px);
}

.page-products .pp-timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan-400), var(--violet-500), var(--orange-500));
  opacity: 0.65;
}

.page-products .pp-timeline__item {
  position: relative;
}

.page-products .pp-timeline__dot {
  position: absolute;
  left: -24px;
  top: 4px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 2px solid var(--cyan-400);
  box-shadow: 0 0 0 4px rgba(47, 243, 208, 0.12);
}

.page-products .pp-timeline__tag {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange-500);
}

.page-products .pp-timeline__title {
  margin: 0 0 8px;
  font-size: clamp(17px, 2.2vw, 20px);
  font-weight: 800;
  color: var(--text-strong);
}

.page-products .pp-timeline__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

.page-products .pp-timeline__media {
  margin-top: clamp(26px, 3.6vw, 42px);
  border-radius: var(--radius-lg);
}

/* ---------- 下载通道 ---------- */
.page-products .pp-channel {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

.page-products .pp-channel__card {
  padding: clamp(20px, 3vw, 28px);
}

.page-products .pp-channel__title {
  margin: 0 0 10px;
  font-size: clamp(17px, 2.2vw, 20px);
  font-weight: 800;
  color: var(--text-strong);
}

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

/* ---------- 收尾行动区 ---------- */
.page-products .pp-cta {
  padding-bottom: clamp(56px, 8vw, 104px);
}

.page-products .pp-cta__inner {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
  padding: clamp(26px, 4vw, 46px);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(110% 150% at 100% 0%, rgba(255, 138, 61, 0.16), transparent 58%),
    radial-gradient(110% 150% at 0% 100%, rgba(123, 91, 255, 0.18), transparent 58%),
    var(--panel);
  box-shadow: var(--shadow-soft);
}

.page-products .pp-cta__title {
  margin: 10px 0 12px;
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-products .pp-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

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

  .page-products .pp-channel__card:first-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-products .pp-overview {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    align-items: start;
  }

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

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

  .page-products .pp-compare {
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    align-items: stretch;
  }

  .page-products .pp-compare__seam {
    flex-direction: column;
    width: 46px;
  }

  .page-products .pp-compare__seam-line {
    width: 1px;
    height: auto;
    flex: 1;
    background: linear-gradient(180deg, transparent, var(--cyan-400), var(--violet-500), transparent);
  }

  .page-products .pp-compare__seam-tag {
    writing-mode: vertical-rl;
    padding: 12px 3px;
    letter-spacing: 0.16em;
  }

  .page-products .pp-device {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.8fr);
  }

  .page-products .pp-device__phone {
    margin-inline: 0 auto;
  }

  .page-products .pp-device__fact {
    grid-template-columns: 8em minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }

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

  .page-products .pp-timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: clamp(18px, 2.6vw, 30px);
    padding-left: 0;
  }

  .page-products .pp-timeline::before {
    left: 0;
    right: 0;
    top: 6px;
    bottom: auto;
    width: auto;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--cyan-400) 10%, var(--violet-500) 58%, var(--orange-500) 90%, transparent);
  }

  .page-products .pp-timeline__item {
    padding-top: 34px;
  }

  .page-products .pp-timeline__dot {
    left: 0;
    top: 0;
  }

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

  .page-products .pp-channel__card:first-child {
    grid-column: auto;
  }

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

  .page-products .pp-cta__actions {
    justify-content: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-column-card,
  .page-products .pp-format,
  .page-products .pp-chips {
    transition: none;
  }

  .page-products .pp-column-card:hover,
  .page-products .pp-column-card:focus-within,
  .page-products .pp-format:hover {
    transform: none;
  }
}
<<<END>>>