.page-products {
  --pp-radius-lg: 22px;
  --pp-radius-sm: 10px;
  --pp-line: 3px solid var(--lt-ink);
  --pp-shadow: 8px 8px 0 var(--lt-ink);
  --pp-shadow-sm: 4px 4px 0 var(--lt-ink);
}

.page-products .lt-btn {
  display: inline-block;
  padding: 14px 28px;
  border: var(--pp-line);
  background: var(--lt-gold);
  color: var(--lt-ink);
  font-family: var(--lt-font-body);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  box-shadow: var(--pp-shadow-sm);
  transition: background-color .18s ease, color .18s ease, box-shadow .18s ease, transform .18s ease;
}

.page-products .lt-btn:hover {
  background: var(--lt-blue);
  box-shadow: 5px 5px 0 var(--lt-ink);
  transform: translate(-1px, -1px);
}

.page-products .lt-btn:active {
  box-shadow: 1px 1px 0 var(--lt-ink);
  transform: translate(3px, 3px);
}

.page-products .lt-btn--ghost {
  background: transparent;
  color: var(--lt-cream);
}

.page-products .pp-sechead {
  margin-bottom: 34px;
}

.page-products .pp-sechead--invert {
  color: var(--lt-cream);
}

.page-products .pp-sechead__title {
  margin: 10px 0 12px;
  font-family: var(--lt-font-title);
  font-size: clamp(2rem, 3.6vw, 2.8rem);
  line-height: 1.12;
  letter-spacing: .02em;
}

.page-products .pp-sechead__lead {
  max-width: 720px;
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.8;
  opacity: .86;
}

.page-products .lt-index-tag {
  display: inline-block;
  padding: 6px 12px;
  border: 2px solid currentColor;
  font-family: var(--lt-font-mono);
  font-size: .82rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}

/* ===== Hero ===== */
.page-products .pp-hero {
  position: relative;
  background: var(--lt-night);
  color: var(--lt-cream);
  overflow: hidden;
}

.page-products .pp-hero__container {
  position: relative;
  z-index: 2;
  padding-top: 26px;
  padding-bottom: 68px;
}

.page-products .pp-hero__breadcrumb {
  margin-bottom: 30px;
}

.page-products .pp-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
}

.page-products .pp-hero__kicker {
  margin: 0 0 16px;
}

.page-products .pp-hero__title {
  max-width: 860px;
  margin: 0 0 20px;
  font-family: var(--lt-font-title);
  font-size: clamp(2.1rem, 4.6vw, 3.6rem);
  line-height: 1.12;
  letter-spacing: .02em;
}

.page-products .pp-hero__lead {
  max-width: 680px;
  margin: 0 0 30px;
  font-size: 1.05rem;
  line-height: 1.85;
  opacity: .88;
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-products .pp-hero__aside {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.page-products .pp-hero__stat {
  padding: 16px 12px;
  border: var(--pp-line);
  background: var(--lt-cream);
  color: var(--lt-ink);
  box-shadow: var(--pp-shadow-sm);
}

.page-products .pp-hero__stat--big {
  grid-column: 1 / -1;
  background: var(--lt-gold);
  box-shadow: var(--pp-shadow);
}

.page-products .pp-hero__stat-num {
  display: block;
  font-family: var(--lt-font-mono);
  font-size: 1.65rem;
  font-weight: 700;
  line-height: 1.2;
}

.page-products .pp-hero__stat-label {
  display: block;
  margin-top: 6px;
  font-size: .86rem;
  line-height: 1.5;
  opacity: .8;
}

.page-products .pp-hero__slash {
  position: absolute;
  top: 0;
  right: 0;
  width: 46%;
  height: 100%;
  background: linear-gradient(135deg, var(--lt-gold) 0%, var(--lt-flame) 100%);
  clip-path: polygon(27% 0, 100% 0, 100% 100%, 0 100%);
  z-index: 0;
}

/* ===== 方案总览 ===== */
.page-products .pp-overview {
  padding: 66px 0 40px;
  background: var(--lt-cream);
  color: var(--lt-ink);
  border-bottom: var(--pp-line);
}

.page-products .pp-overview__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  transition: opacity .25s ease;
}

@media (hover: hover) {
  .page-products .pp-overview__grid:hover .pp-card:not(:hover) {
    opacity: .45;
    transform: translateY(5px);
  }
}

.page-products .pp-card {
  position: relative;
  display: flex;
  flex-direction: column;
  border: var(--pp-line);
  padding: 22px;
  transition: opacity .25s ease, transform .25s ease, box-shadow .25s ease;
}

.page-products .pp-card--test {
  background: var(--lt-night);
  color: var(--lt-cream);
  box-shadow: var(--pp-shadow);
}

.page-products .pp-card--browser {
  background: var(--lt-cream);
  color: var(--lt-ink);
  box-shadow: var(--pp-shadow);
}

.page-products .pp-card--content {
  background: var(--lt-ink);
  color: var(--lt-cream);
  box-shadow: var(--pp-shadow);
}

.page-products .pp-card__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.page-products .pp-card__num {
  font-family: var(--lt-font-title);
  font-size: 2.8rem;
  font-style: italic;
  font-weight: 400;
  line-height: 1;
  color: var(--lt-gold);
}

.page-products .pp-card--browser .pp-card__num {
  color: var(--lt-flame);
}

.page-products .pp-card__tag {
  font-family: var(--lt-font-mono);
  font-size: .74rem;
  letter-spacing: .22em;
  padding: 4px 8px;
  border: 2px solid var(--lt-gold);
  color: var(--lt-gold);
}

.page-products .pp-card--browser .pp-card__tag {
  border-color: var(--lt-flame);
  color: var(--lt-flame);
}

.page-products .pp-card__title {
  margin: 10px 0 10px;
  font-family: var(--lt-font-title);
  font-size: 1.45rem;
  line-height: 1.25;
}

.page-products .pp-card__desc {
  margin: 0 0 18px;
  font-size: .96rem;
  line-height: 1.75;
  opacity: .88;
}

.page-products .pp-card__media {
  margin-bottom: 18px;
}

.page-products .pp-card__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: var(--pp-line);
  background: var(--lt-cream);
  color: var(--lt-ink);
}

.page-products .pp-card--test .pp-card__media img,
.page-products .pp-card--content .pp-card__media img {
  border-color: var(--lt-cream);
}

.page-products .pp-card__meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: auto 0 0;
  border-top: 2px dashed currentColor;
  padding-top: 14px;
}

.page-products .pp-card__meta div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 6px 0;
  font-family: var(--lt-font-mono);
  font-size: .82rem;
}

.page-products .pp-card__meta dt {
  opacity: .65;
}

.page-products .pp-card__meta dd {
  margin: 0;
  font-weight: 700;
  text-align: right;
}

/* ===== 功能特性 ===== */
.page-products .pp-features {
  padding: 66px 0 46px;
  background: var(--lt-ink);
  color: var(--lt-cream);
  border-bottom: var(--pp-line);
}

.page-products .pp-features__bento {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: 34px;
}

.page-products .pp-fb {
  position: relative;
  padding: 24px;
  border: var(--pp-line);
  transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease;
}

.page-products .pp-fb:hover {
  transform: translateY(-3px);
}

.page-products .pp-fb--wide {
  background: var(--lt-gold);
  color: var(--lt-ink);
  box-shadow: var(--pp-shadow);
}

.page-products .pp-fb--dark {
  background: var(--lt-night);
  color: var(--lt-cream);
}

.page-products .pp-fb--cream {
  background: var(--lt-cream);
  color: var(--lt-ink);
}

.page-products .pp-fb--ink {
  background: var(--lt-ink);
  color: var(--lt-cream);
  border-color: var(--lt-blue);
  box-shadow: 6px 6px 0 var(--lt-blue);
}

.page-products .pp-fb__code {
  display: inline-block;
  margin-bottom: 14px;
  padding: 4px 8px;
  border: 2px solid currentColor;
  font-family: var(--lt-font-mono);
  font-size: .74rem;
  letter-spacing: .18em;
  opacity: .8;
}

.page-products .pp-fb h3 {
  margin: 0 0 8px;
  font-family: var(--lt-font-title);
  font-size: 1.28rem;
  line-height: 1.3;
}

.page-products .pp-fb p {
  margin: 0;
  font-size: .94rem;
  line-height: 1.7;
  opacity: .85;
}

.page-products .pp-features__table-wrap {
  overflow-x: auto;
  border: var(--pp-line);
  background: var(--lt-cream);
  color: var(--lt-ink);
  box-shadow: var(--pp-shadow);
}

.page-products .pp-features__table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  font-family: var(--lt-font-mono);
  font-size: .86rem;
  line-height: 1.65;
}

.page-products .pp-features__table th,
.page-products .pp-features__table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid rgba(31, 26, 23, .2);
  vertical-align: top;
}

.page-products .pp-features__table thead th {
  background: var(--lt-night);
  color: var(--lt-gold);
  font-weight: 700;
  letter-spacing: .04em;
}

.page-products .pp-features__table tbody th {
  background: var(--lt-gold);
  color: var(--lt-ink);
  font-weight: 700;
}

.page-products .pp-features__table tbody tr:hover th,
.page-products .pp-features__table tbody tr:hover td {
  background: rgba(0, 229, 255, .22);
}

.page-products .pp-features__table tbody tr:last-child th,
.page-products .pp-features__table tbody tr:last-child td {
  border-bottom: none;
}

/* ===== 版本演进 ===== */
.page-products .pp-version {
  padding: 66px 0 56px;
  background: var(--lt-cream);
  color: var(--lt-ink);
}

.page-products .pp-version__roadmap {
  margin-bottom: 30px;
  border: var(--pp-line);
  background: var(--lt-night);
  box-shadow: var(--pp-shadow);
}

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

.page-products .pp-version__table-wrap {
  overflow-x: auto;
  border: var(--pp-line);
  margin-bottom: 18px;
  background: var(--lt-cream);
  box-shadow: var(--pp-shadow-sm);
}

.page-products .pp-version__table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-family: var(--lt-font-mono);
  font-size: .86rem;
  line-height: 1.65;
}

.page-products .pp-version__table th,
.page-products .pp-version__table td {
  padding: 13px 15px;
  text-align: left;
  border-bottom: 1px solid rgba(31, 26, 23, .2);
}

.page-products .pp-version__table thead th {
  background: var(--lt-ink);
  color: var(--lt-gold);
  font-weight: 700;
  letter-spacing: .04em;
}

.page-products .pp-version__table tbody th {
  background: var(--lt-gold);
  color: var(--lt-ink);
  font-weight: 700;
}

.page-products .pp-version__table tbody tr:last-child th,
.page-products .pp-version__table tbody tr:last-child td {
  border-bottom: none;
}

.page-products .pp-version__table tbody tr:hover th,
.page-products .pp-version__table tbody tr:hover td {
  background: rgba(0, 229, 255, .22);
}

.page-products .pp-version__v {
  font-weight: 700;
  letter-spacing: .04em;
}

.page-products .pp-version__anchor {
  color: var(--lt-ink);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid var(--lt-flame);
  transition: background-color .15s ease, color .15s ease;
}

.page-products .pp-version__anchor:hover {
  background: var(--lt-blue);
}

.page-products .pp-version__num {
  display: inline-block;
  margin-left: 6px;
  padding: 2px 6px;
  border: 1px solid currentColor;
  font-size: .76rem;
  border-radius: 2px;
}

.page-products .pp-version__details {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: 18px;
}

.page-products .pp-version__detail {
  border-left: 6px solid var(--lt-ink);
  background: var(--lt-cream);
  padding: 16px 18px;
  box-shadow: var(--pp-shadow-sm);
  scroll-margin-top: 120px;
  transition: border-color .18s ease, background-color .18s ease, box-shadow .18s ease;
}

.page-products .pp-version__detail:target {
  border-left-color: var(--lt-blue);
  background: rgba(0, 229, 255, .14);
  box-shadow: 6px 6px 0 var(--lt-ink);
}

.page-products .pp-version__detail p {
  margin: 0;
  font-size: .95rem;
  line-height: 1.75;
}

.page-products .pp-version__detail strong {
  color: var(--lt-flame);
}

.page-products .pp-version__footnote {
  margin: 0;
  font-size: .92rem;
  line-height: 1.7;
}

.page-products .pp-version__footnote a {
  color: var(--lt-ink);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid var(--lt-flame);
}

.page-products .pp-version__footnote a:hover {
  background: var(--lt-blue);
}

/* ===== 接入指南 ===== */
.page-products .pp-guide {
  padding: 66px 0 0;
  background: var(--lt-night);
  color: var(--lt-cream);
}

.page-products .pp-guide .pp-sechead--invert .lt-index-tag {
  border-color: var(--lt-gold);
  color: var(--lt-gold);
}

.page-products .pp-guide__steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin: 0 0 46px;
  padding: 0;
  list-style: none;
  counter-reset: pp-guide;
}

.page-products .pp-guide__step {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 20px;
  background: var(--lt-cream);
  color: var(--lt-ink);
  border: 3px solid var(--lt-ink);
  box-shadow: var(--pp-shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease;
}

.page-products .pp-guide__step:hover {
  transform: translateX(6px);
  box-shadow: 6px 6px 0 var(--lt-blue);
}

.page-products .pp-guide__num {
  font-family: var(--lt-font-title);
  font-size: 2.2rem;
  font-style: italic;
  line-height: 1;
  color: var(--lt-flame);
}

.page-products .pp-guide__body h3 {
  margin: 0 0 6px;
  font-family: var(--lt-font-title);
  font-size: 1.2rem;
  line-height: 1.3;
}

.page-products .pp-guide__body p {
  margin: 0;
  font-size: .94rem;
  line-height: 1.7;
  opacity: .88;
}

.page-products .pp-guide__bottom {
  position: relative;
  overflow: hidden;
  border-top: 3px solid var(--lt-cream);
}

.page-products .pp-guide__bgimg {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  opacity: .38;
}

.page-products .pp-guide__actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  padding: 24px 20px 34px;
  margin-top: -140px;
}

.page-products .pp-guide__actions .lt-btn--ghost {
  border-color: var(--lt-gold);
  color: var(--lt-gold);
}

.page-products .pp-guide__actions .lt-btn--ghost:hover {
  background: var(--lt-gold);
  color: var(--lt-ink);
}

/* ===== 响应式增强 ===== */
@media (min-width: 821px) {
  .page-products .pp-hero__container {
    padding-top: 34px;
    padding-bottom: 90px;
  }

  .page-products .pp-hero__grid {
    grid-template-columns: 1.35fr .8fr;
    align-items: center;
  }

  .page-products .pp-hero__aside {
    grid-template-columns: 1fr;
  }

  .page-products .pp-hero__stat--big {
    grid-column: auto;
  }

  .page-products .pp-hero__stat {
    padding: 20px 16px;
  }

  .page-products .pp-overview {
    padding: 84px 0 60px;
  }

  .page-products .pp-overview__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
    align-items: stretch;
  }

  .page-products .pp-card {
    padding: 24px;
  }

  .page-products .pp-features {
    padding: 84px 0 64px;
  }

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

  .page-products .pp-fb--wide {
    grid-column: span 2;
  }

  .page-products .pp-version {
    padding: 84px 0 70px;
  }

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

  .page-products .pp-guide {
    padding-top: 84px;
  }

  .page-products .pp-guide__steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
  }

  .page-products .pp-guide__actions {
    margin-top: -190px;
  }
}

@media (min-width: 1200px) {
  .page-products .pp-overview__grid {
    gap: 28px;
  }

  .page-products .pp-card__meta {
    grid-template-columns: 1fr;
  }

  .page-products .pp-guide__steps {
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }

  .page-products .pp-guide__step {
    grid-template-columns: 1fr;
  }

  .page-products .pp-guide__num {
    font-size: 2.6rem;
  }
}

@media (max-width: 720px) {
  .page-products .pp-hero__slash {
    width: 100%;
    height: 7px;
    top: auto;
    bottom: 0;
    clip-path: none;
  }

  .page-products .pp-hero__actions .lt-btn {
    width: 100%;
    text-align: center;
  }

  .page-products .pp-fb:hover {
    transform: none;
  }
}