.page-products {
  --pp-gap: clamp(18px, 2.6vw, 28px);
  --pp-card-bg: var(--ink-800);
  --pp-rule: rgba(39, 64, 111, 0.75);
  --pp-ink-tint: rgba(20, 17, 16, 0.12);
}

/* ---------- 面包屑与首屏 ---------- */
.page-products .breadcrumb {
  padding: clamp(18px, 3.5vw, 34px) 0 0;
}

.page-products .v3-hero {
  position: relative;
  padding: clamp(26px, 5vw, 52px) 0 clamp(42px, 7vw, 84px);
  border-bottom: 1px solid var(--line);
}

.page-products .v3-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 46px);
  align-items: start;
}

.page-products .v3-hero__title {
  font-size: clamp(34px, 7vw, 74px);
  line-height: 1.05;
  margin: 14px 0 18px;
}

.page-products .v3-hero__lede {
  max-width: 56ch;
}

.page-products .v3-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* 版本历程卡 */
.page-products .tl {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 22px;
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(38, 224, 214, 0.12), transparent 60%),
    linear-gradient(160deg, var(--ink-800), var(--ink-900));
}

.page-products .tl__head {
  margin: 0 0 18px;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist);
}

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

.page-products .tl__item {
  position: relative;
  padding: 0 0 22px 26px;
}

.page-products .tl__item:last-child {
  padding-bottom: 0;
}

.page-products .tl__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--line);
}

.page-products .tl__item::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 21px;
  bottom: 2px;
  width: 1px;
  background: var(--line);
}

.page-products .tl__item:last-child::after {
  display: none;
}

.page-products .tl__item--now::before {
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(38, 224, 214, 0.18);
}

.page-products .tl__v {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
  margin-bottom: 6px;
}

.page-products .tl__item--now .tl__v {
  color: var(--cyan);
}

.page-products .tl__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--white);
  opacity: 0.85;
}

/* ---------- 通用章节 ---------- */
.page-products .pp-section {
  position: relative;
  padding: clamp(48px, 7.5vw, 92px) 0;
}

.page-products .pp-band {
  background: linear-gradient(180deg, rgba(20, 38, 79, 0.55), transparent 60%);
}

.page-products .pp-head {
  max-width: 720px;
  margin-bottom: clamp(24px, 3.6vw, 40px);
}

.page-products .pp-h2 {
  margin: 10px 0 14px;
  font-size: clamp(26px, 4.3vw, 44px);
  line-height: 1.14;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-products .pp-link {
  color: var(--cyan-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

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

/* ---------- 功能卡（可折叠） ---------- */
.page-products .fn-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

.page-products .fn-card {
  position: relative;
  padding: 22px 22px 20px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--pp-card-bg);
  transition: border-color 0.2s ease-out, transform 0.2s ease-out;
}

.page-products .fn-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 20px;
  width: 4px;
  border-radius: 4px;
  background: var(--cyan);
}

.page-products .fn-card:nth-child(1)::before {
  background: var(--orange);
}

.page-products .fn-card:nth-child(3)::before {
  background: var(--amber);
}

.page-products .fn-card:nth-child(4)::before {
  background: var(--cyan-soft);
}

.page-products .fn-card:hover,
.page-products .fn-card:focus-within {
  border-color: rgba(38, 224, 214, 0.45);
}

.page-products .fn-card__idx {
  position: absolute;
  top: 12px;
  right: 18px;
  font-family: var(--mono);
  font-size: clamp(30px, 5vw, 44px);
  font-weight: 800;
  line-height: 1;
  color: rgba(38, 224, 214, 0.14);
  pointer-events: none;
}

.page-products .fn-card__h {
  margin: 0 0 10px;
  font-size: inherit;
  font-weight: inherit;
}

.page-products .fn-card__trigger {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 0;
  background: none;
  border: 0;
  color: var(--white);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.page-products .fn-card__glyph {
  flex: none;
  width: 24px;
  height: 24px;
  border: 2px solid var(--cyan);
  border-radius: 7px;
  transition: transform 0.4s ease-out;
}

.page-products .fn-card:hover .fn-card__glyph,
.page-products .fn-card:focus-within .fn-card__glyph {
  transform: rotate(45deg);
}

.page-products .fn-card__title {
  font-size: clamp(18px, 2.2vw, 21px);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-products .fn-card__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(242, 246, 255, 0.78);
}

.page-products .fn-card__panel {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--pp-rule);
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(242, 246, 255, 0.72);
}

.page-products .fn-card__panel p {
  margin: 0;
}

/* ---------- 栏目结构 ---------- */
.page-products .pp-figure {
  margin: 0 0 clamp(22px, 3.2vw, 32px);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(140deg, var(--ink-800), var(--ink-900));
  max-width: 100%;
}

.page-products .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-products .pp-figure--hero {
  margin-bottom: clamp(26px, 4vw, 40px);
}

.page-products .views {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

.page-products .view-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  background: rgba(12, 24, 54, 0.72);
}

.page-products .view-card--event {
  border-left: 4px solid var(--orange);
}

.page-products .view-card--data {
  border-left: 4px solid var(--cyan);
}

.page-products .view-card h3 {
  margin: 10px 0 10px;
  font-size: clamp(19px, 2.4vw, 23px);
  font-weight: 800;
  color: var(--white);
}

.page-products .view-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(242, 246, 255, 0.78);
}

.page-products .cats {
  margin-top: clamp(24px, 3.6vw, 36px);
}

.page-products .cats__label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-products .cats .chips {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .cats .chip {
  padding: 7px 16px;
  border-radius: var(--pill);
  border: 1px solid var(--line);
  background: rgba(20, 38, 79, 0.6);
  color: var(--white);
  font-size: 13.5px;
  letter-spacing: 0.02em;
}

.page-products .cats .chip:nth-child(2n) {
  border-color: rgba(38, 224, 214, 0.32);
  color: var(--cyan-soft);
}

/* ---------- 暖纸章节 ---------- */
.page-products .pp-paper {
  background: var(--paper);
  color: var(--paper-ink);
  padding-top: clamp(72px, 10vw, 132px);
  padding-bottom: clamp(72px, 10vw, 132px);
  clip-path: polygon(0 1.5rem, 100% 0, 100% calc(100% - 1.5rem), 0 100%);
}

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

.page-products .pp-paper .lede {
  color: var(--paper-muted);
}

.page-products .pp-paper .eyebrow {
  color: #0A6B64;
}

.page-products .pp-paper .pp-link {
  color: var(--paper-link);
  text-decoration-color: rgba(10, 107, 100, 0.4);
}

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

/* ---------- 三步查交锋 ---------- */
.page-products .hist-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.6vw, 40px);
  align-items: start;
}

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

.page-products .step {
  position: relative;
  display: flex;
  gap: 16px;
  padding-bottom: 26px;
}

.page-products .step:last-child {
  padding-bottom: 0;
}

.page-products .step::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 40px;
  bottom: 4px;
  width: 1px;
  background: rgba(20, 17, 16, 0.18);
}

.page-products .step:last-child::before {
  display: none;
}

.page-products .step__dot {
  flex: none;
  width: 35px;
  height: 35px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--paper-ink);
  color: var(--cyan-soft);
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
}

.page-products .step__body h3 {
  margin: 4px 0 8px;
  font-size: clamp(18px, 2.2vw, 21px);
  font-weight: 800;
  color: var(--paper-ink);
}

.page-products .step__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper-muted);
}

.page-products .pp-figure--side {
  border-color: rgba(20, 17, 16, 0.16);
  background: linear-gradient(140deg, #E6DFD0, #F4EEE2);
}

.page-products .facts {
  margin-top: clamp(28px, 4vw, 44px);
  padding: 22px 24px;
  border-radius: var(--radius);
  background: #FFFFFF;
  border: 1px solid rgba(20, 17, 16, 0.1);
}

.page-products .facts__title {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--paper-muted);
}

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

.page-products .facts__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--paper-ink);
}

.page-products .facts__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: #0A6B64;
}

.page-products .facts__list strong {
  font-family: var(--mono);
  font-size: 17px;
  letter-spacing: 0.02em;
  color: #0A6B64;
}

/* ---------- 两版对照 ---------- */
.page-products .pp-figure--speed {
  border-color: rgba(255, 176, 58, 0.3);
}

.page-products .cmp {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

.page-products .cmp__col {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  background: rgba(12, 24, 54, 0.68);
}

.page-products .cmp__col--v3 {
  border-color: rgba(38, 224, 214, 0.38);
  background: linear-gradient(180deg, rgba(38, 224, 214, 0.1), rgba(12, 24, 54, 0.78));
}

.page-products .cmp__ver {
  margin: 0 0 16px;
  font-family: var(--mono);
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-products .cmp__ver--now {
  color: var(--cyan);
}

.page-products .cmp__list {
  margin: 0;
}

.page-products .cmp__row {
  padding: 13px 0;
  border-bottom: 1px dashed var(--pp-rule);
}

.page-products .cmp__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .cmp__row:first-child {
  padding-top: 0;
}

.page-products .cmp__label {
  display: block;
  margin-bottom: 5px;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-products .cmp__row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(242, 246, 255, 0.84);
}

.page-products .badge {
  display: inline-block;
  margin-left: 8px;
  padding: 1px 8px;
  border-radius: var(--pill);
  background: rgba(255, 176, 58, 0.18);
  color: var(--amber);
  font-size: 11px;
  letter-spacing: 0.08em;
  vertical-align: 1px;
}

.page-products .cmp-note {
  margin-top: clamp(22px, 3.4vw, 34px);
  padding: 22px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(20, 38, 79, 0.42);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
}

.page-products .cmp-note p {
  flex: 1 1 320px;
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(242, 246, 255, 0.82);
}

.page-products .cmp-note .copy-btn {
  flex: none;
}

.page-products .pp-figure--wide {
  margin-top: clamp(24px, 3.6vw, 40px);
  margin-bottom: 0;
}

/* ---------- 使用场景 ---------- */
.page-products .scene-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

.page-products .scene {
  position: relative;
  padding: 24px 22px 22px 26px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--pp-card-bg);
  overflow: hidden;
}

.page-products .scene::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--orange), var(--cyan));
}

.page-products .scene__tag {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-products .scene h3 {
  margin: 0 0 10px;
  font-size: clamp(18px, 2.3vw, 21px);
  font-weight: 800;
  color: var(--white);
}

.page-products .scene p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(242, 246, 255, 0.78);
}

/* ---------- 移动端表现 ---------- */
.page-products .mob {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.6vw, 44px);
  align-items: start;
}

.page-products .pp-figure--tall {
  max-width: 320px;
  margin-left: auto;
  margin-right: auto;
  border-color: rgba(20, 17, 16, 0.16);
  background: linear-gradient(150deg, #E6DFD0, #F4EEE2);
}

.page-products .mob__body {
  display: grid;
  gap: 20px;
}

.page-products .mob__stat {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px 10px;
  padding: 18px 22px;
  border-radius: var(--radius);
  background: #FFFFFF;
  border: 1px solid rgba(20, 17, 16, 0.1);
}

.page-products .mob__num {
  font-family: var(--mono);
  font-size: clamp(44px, 7vw, 64px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.02em;
  color: #0A6B64;
}

.page-products .mob__unit {
  font-size: 18px;
  font-weight: 700;
  color: var(--paper-ink);
}

.page-products .mob__lab {
  flex: 1 1 100%;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--paper-muted);
}

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

.page-products .mob__list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper-ink);
}

.page-products .mob__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 2px solid #0A6B64;
}

.page-products .mob__note {
  margin: 0;
  padding-top: 18px;
  border-top: 1px solid rgba(20, 17, 16, 0.12);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--paper-muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .fn-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 860px) {
  .page-products .cmp {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(30px, 4.5vw, 56px);
  }

  .page-products .cmp::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 6%;
    bottom: 6%;
    width: 1px;
    background: linear-gradient(180deg, transparent, var(--line) 12%, var(--line) 88%, transparent);
    transform: rotate(2.5deg);
  }

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

@media (min-width: 900px) {
  .page-products .hist-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }

  .page-products .mob {
    grid-template-columns: minmax(0, 0.42fr) minmax(0, 1fr);
  }

  .page-products .pp-figure--tall {
    margin-left: 0;
  }
}

@media (min-width: 980px) {
  .page-products .v3-hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.85fr);
  }

  .page-products .pp-paper {
    clip-path: polygon(0 3.5rem, 100% 0, 100% calc(100% - 3.5rem), 0 100%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .fn-card,
  .page-products .fn-card__glyph {
    transition: none;
  }

  .page-products .fn-card:hover .fn-card__glyph,
  .page-products .fn-card:focus-within .fn-card__glyph {
    transform: none;
  }
}
<<<END>>>
```