.page-products {
  --pp-gap: 16px;
  color: var(--navy);
  background: var(--light);
  overflow-x: hidden;
}
.page-products a {
  -webkit-tap-highlight-color: transparent;
}

/* ========== 首屏 · 移动端快速入口 ========== */
.pp-hero {
  background: linear-gradient(135deg, var(--navy-deep) 0%, var(--navy) 62%, var(--navy-2) 100%);
  color: var(--light);
  padding: 28px 0 64px;
  position: relative;
  overflow: hidden;
}
.pp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(212, 175, 55, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212, 175, 55, .07) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
  z-index: 0;
}
.pp-hero::after {
  content: "";
  position: absolute;
  right: -16%;
  top: 10%;
  width: 48%;
  height: 150%;
  background: var(--gold-soft);
  filter: blur(72px);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}
.pp-hero .page-shell {
  position: relative;
  z-index: 1;
}
.pp-hero .breadcrumb {
  margin-bottom: 20px;
}
.pp-hero__kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin: 20px 0 16px;
}
.pp-hero__tagline {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--gold-bright);
  border: 1px solid var(--gold-line);
  background: var(--gold-soft);
  padding: 4px 12px;
  border-radius: 999px;
}
.pp-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 34px;
  line-height: 1.12;
  letter-spacing: .01em;
  margin: 0 0 20px;
  color: var(--light);
}
.pp-hero__title-gold {
  color: var(--gold-bright);
}
.pp-hero__lead {
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 540px;
  margin: 0 0 24px;
}
.pp-hero__actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 18px;
}
.pp-hero__actions .btn {
  width: 100%;
  justify-content: center;
  border-radius: 999px;
  padding: 15px 32px;
  font-weight: 700;
  text-align: center;
}
.pp-hero__web {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  font-family: var(--font-mono);
}
.pp-hero__web a {
  color: var(--gold-bright);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.pp-hero__figure {
  margin: 40px 0 0;
  position: relative;
  text-align: center;
}
.pp-hero__figure img {
  width: 100%;
  max-width: 480px;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 4;
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 56px rgba(6, 15, 34, .5);
  clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%);
}
.pp-hero__figure figcaption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  text-align: center;
}

/* ========== 核心功能 · 数据车站地图 ========== */
.pp-station {
  background: var(--smoke);
  padding: 48px 0;
  color: var(--navy);
}
.pp-section-head {
  margin-bottom: 32px;
  max-width: 720px;
}
.pp-station__grid {
  gap: var(--pp-gap);
  position: relative;
}
.pp-station__card {
  background: var(--light);
  border-radius: var(--radius-lg);
  padding: 24px;
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 1;
  box-shadow: 0 4px 20px rgba(6, 15, 34, .06);
}
.pp-station__card--navy {
  background: var(--navy);
  color: var(--light);
}
.pp-station__card--light {
  background: var(--light);
  color: var(--navy);
  border: 1px solid var(--gold-line);
}
.pp-station__card--ink {
  background: var(--ink);
  color: var(--light);
}
.pp-station__card--smoke {
  background: var(--smoke);
  color: var(--navy);
  border: 1px solid var(--gold-line);
}
.pp-station__card-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.pp-station__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: var(--gold-soft);
  color: var(--gold);
}
.pp-station__card--light .pp-station__icon,
.pp-station__card--smoke .pp-station__icon {
  background: rgba(10, 31, 68, .08);
  color: var(--navy);
}
.pp-station__card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.3;
  margin: 0 0 8px;
}
.pp-station__card--navy h3,
.pp-station__card--ink h3 {
  color: var(--gold-bright);
}
.pp-station__card > p,
.pp-station__card-text > p {
  font-size: 14px;
  line-height: 1.7;
  margin: 0 0 12px;
}
.pp-station__card--navy p,
.pp-station__card--ink p {
  color: var(--muted);
}
.pp-station__card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
}
.pp-station__card li {
  position: relative;
  padding: 4px 0 4px 22px;
  color: inherit;
}
.pp-station__card li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 13px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
}
.pp-station__card--navy li,
.pp-station__card--ink li {
  color: var(--muted);
}
.pp-station__card--light li::before,
.pp-station__card--smoke li::before {
  background: var(--red);
}
.pp-station__card-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1;
}
.pp-station__card-text {
  flex: 1;
}
.pp-station__card-figure {
  margin: 0;
  text-align: center;
}
.pp-station__card-figure img {
  width: 100%;
  max-width: 160px;
  height: auto;
  border-radius: var(--radius-md);
}
.pp-station__card-figure figcaption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}
.pp-station__note {
  margin-top: 28px;
  font-size: 14px;
  color: var(--navy);
  font-family: var(--font-mono);
}
.pp-station__note a {
  color: var(--navy);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ========== 版本演进 ========== */
.pp-version {
  background: var(--navy);
  color: var(--light);
  padding: 48px 0;
  position: relative;
}
.pp-version .section-label {
  color: var(--gold);
}
.pp-version .section-title,
.pp-version .section-lead {
  color: var(--light);
}
.pp-version__bg {
  margin: 0 0 24px;
  text-align: center;
}
.pp-version__bg img {
  width: 100%;
  max-width: 800px;
  height: auto;
  border-radius: var(--radius-lg);
  opacity: .9;
}
.pp-version__track {
  list-style: none;
  margin: 0 0 36px;
  padding: 0;
  position: relative;
}
.pp-version__track::before {
  content: "";
  position: absolute;
  left: 31px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--gold-line);
  opacity: .3;
}
.pp-version__stop {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 0 0 28px;
  position: relative;
}
.pp-version__stop:last-child {
  padding-bottom: 0;
}
.pp-version__node {
  flex: 0 0 64px;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 2px solid var(--gold);
  background: var(--navy-2);
  color: var(--gold-bright);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
}
.pp-version__stop--current .pp-version__node {
  background: var(--gold);
  color: var(--navy);
  box-shadow: 0 0 24px rgba(212, 175, 55, .4);
}
.pp-version__body {
  flex: 1;
  padding-top: 4px;
}
.pp-version__year {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gold);
  margin-bottom: 4px;
}
.pp-version__body h3 {
  margin: 0 0 4px;
  font-size: 18px;
  font-weight: 700;
  color: var(--light);
}
.pp-version__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
}
.pp-version__matrix {
  gap: var(--pp-gap);
}
.pp-version__pkg {
  background: var(--navy-2);
  border: 1px solid var(--gold-line);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: relative;
  height: 100%;
}
.pp-version__pkg--stable {
  border-color: var(--gold);
  background: linear-gradient(160deg, rgba(212, 175, 55, .16), rgba(212, 175, 55, .02) 48%), var(--navy-2);
}
.pp-version__pkg--compat {
  border-color: var(--muted);
}
.pp-version__pkg--web {
  border-color: var(--blue);
}
.pp-version__pkg .data-tag {
  display: inline-block;
  margin-bottom: 12px;
}
.pp-version__pkg h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 24px;
  color: var(--light);
}
.pp-version__pkg--stable h3 {
  color: var(--gold-bright);
}
.pp-version__pkg p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}
.pp-version__note {
  margin: 32px 0 0;
  font-size: 14px;
  color: var(--muted);
  font-family: var(--font-mono);
}
.pp-version__note a {
  color: var(--gold-bright);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ========== 使用场景 ========== */
.pp-scene {
  background: var(--light);
  padding: 48px 0;
}
.pp-scene__list {
  position: relative;
}
.pp-scene__stops {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}
.pp-scene__stops::before {
  content: "";
  position: absolute;
  left: 23px;
  top: 16px;
  bottom: 16px;
  width: 2px;
  background: var(--gold-line);
  opacity: .45;
}
.pp-scene__stop {
  position: relative;
  padding: 0 0 32px 68px;
}
.pp-scene__stop:last-child {
  padding-bottom: 0;
}
.pp-scene__num {
  position: absolute;
  left: 0;
  top: 0;
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background: var(--navy);
  color: var(--gold-bright);
  font-family: var(--font-mono);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  z-index: 1;
}
.pp-scene__body h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
}
.pp-scene__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 480px;
}
.pp-scene__note {
  margin-top: 32px;
  font-size: 14px;
  font-family: var(--font-mono);
  color: var(--navy);
}
.pp-scene__note a {
  color: var(--navy);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.pp-scene__figure {
  margin: 40px 0 0;
  text-align: center;
}
.pp-scene__figure img {
  width: 100%;
  max-width: 320px;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: 0 16px 40px rgba(10, 31, 68, .12);
}
.pp-scene__figure figcaption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

/* ========== 下载指引 ========== */
.pp-download {
  background: linear-gradient(180deg, var(--navy-deep) 0%, var(--navy) 100%);
  color: var(--light);
  padding: 48px 0;
}
.pp-download .section-label {
  color: var(--gold);
}
.pp-download .section-title,
.pp-download .section-lead {
  color: var(--light);
}
.pp-download__grid {
  gap: var(--pp-gap);
}
.pp-download__card {
  background: var(--navy-2);
  border: 1px solid var(--gold-line);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  height: 100%;
  position: relative;
}
.pp-download__card--web {
  border-color: var(--blue);
}
.pp-download__card .data-badge {
  margin-bottom: 14px;
}
.pp-download__card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--light);
}
.pp-download__card p {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}
.pp-download__qr {
  margin-top: auto;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.pp-download__qr-pattern {
  width: 140px;
  height: 140px;
  border-radius: var(--radius-sm);
  display: block;
}
.pp-download__qr-label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}
.pp-download__web-frame {
  margin: auto 0 0;
  max-width: 180px;
  width: 100%;
}
.pp-download__web-frame img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
}
.pp-download__web-frame figcaption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}
.pp-download__tips {
  margin-top: 36px;
  padding: 24px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, .04);
  border: 1px solid var(--gold-line);
}
.pp-download__tips h3 {
  margin: 0 0 12px;
  font-size: 18px;
  color: var(--gold-bright);
  font-weight: 700;
}
.pp-download__tips ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.pp-download__tips li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 8px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}
.pp-download__tips li::before {
  content: "›";
  position: absolute;
  left: 0;
  color: var(--gold);
  font-weight: 700;
}
.pp-download__tips a {
  color: var(--gold-bright);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ========== 桌面端增强 ========== */
@media (min-width: 1024px) {
  .pp-hero {
    padding: 48px 0 120px;
    clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%);
  }
  .pp-hero__inner {
    align-items: center;
  }
  .pp-hero__title {
    font-size: 54px;
  }
  .pp-hero__actions {
    flex-direction: row;
  }
  .pp-hero__actions .btn {
    width: auto;
    min-width: 200px;
  }
  .pp-hero__figure {
    margin-top: 0;
  }
  .pp-station,
  .pp-version,
  .pp-scene,
  .pp-download {
    padding: 80px 0;
  }
  .pp-station__grid {
    gap: 24px;
  }
  .pp-station__grid::before,
  .pp-station__grid::after {
    content: "";
    position: absolute;
    z-index: 0;
    pointer-events: none;
  }
  .pp-station__grid::before {
    left: 50%;
    top: 28px;
    bottom: 28px;
    border-left: 2px dashed var(--red);
    transform: translateX(-1px);
    opacity: .45;
  }
  .pp-station__grid::after {
    top: 50%;
    left: 28px;
    right: 28px;
    border-top: 2px dashed var(--red);
    transform: translateY(-1px);
    opacity: .45;
  }
  .pp-station__card {
    z-index: 1;
  }
  .pp-station__card-figure img {
    max-width: 200px;
  }
  .pp-version__track {
    margin-bottom: 48px;
  }
  .pp-version__track::before {
    left: 0;
    right: 0;
    top: 32px;
    bottom: auto;
    width: auto;
    height: 2px;
  }
  .pp-version__stop {
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
    padding: 0 16px;
  }
  .pp-version__body {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 12px;
  }
  .pp-version__matrix {
    gap: 24px;
  }
  .pp-version__pkg {
    padding: 28px;
  }
  .pp-scene__figure {
    margin-top: 0;
  }
  .pp-download__grid {
    gap: 24px;
  }
  .pp-download__card {
    padding: 32px 24px;
  }
}