.page-products{
  --pd-cut: 20px;
  --pd-radius: 16px;
  --pd-soft: #EAF0F6;
  --pd-deep-blue: #0D264F;
  --pd-space-blue: #0A1D3C;
  color: var(--color-text);
}

.page-products .intro-hero{
  position: relative;
  overflow: hidden;
  padding: 48px 0 64px;
  background: linear-gradient(135deg, var(--pd-space-blue) 0%, var(--pd-deep-blue) 68%, #173868 100%);
}

.page-products .intro-hero::before{
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 42%;
  height: 100%;
  background: linear-gradient(180deg, rgba(255,107,53,.72) 0%, rgba(255,193,7,.28) 100%);
  clip-path: polygon(36% 0, 100% 0, 100% 100%, 0 100%);
  opacity: .38;
  pointer-events: none;
}

.page-products .intro-hero::after{
  content: "SINCE 2016";
  position: absolute;
  bottom: 10px;
  right: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: rgba(255,255,255,.36);
  pointer-events: none;
}

.page-products .intro-inner{
  position: relative;
  z-index: 1;
  display: grid;
  gap: 32px;
}

.page-products .intro-copy h1{
  margin: 6px 0 16px;
  font-size: clamp(1.9rem, 5vw, 3.2rem);
  line-height: 1.12;
  letter-spacing: .01em;
  color: #FFFFFF;
}

.page-products .intro-kicker{
  color: var(--color-yellow);
  font-size: .8rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  margin: 14px 0 0;
}

.page-products .intro-lead{
  color: var(--color-mist);
  font-size: 1.05rem;
  line-height: 1.8;
  margin: 0 0 12px;
  max-width: 720px;
}

.page-products .intro-note{
  color: rgba(217,225,236,.72);
  font-size: .9rem;
  line-height: 1.7;
  max-width: 680px;
  margin: 0 0 24px;
}

.page-products .intro-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .intro-board{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  border-radius: var(--pd-radius);
  padding: 20px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(217,225,236,.16);
  position: relative;
}

.page-products .intro-stat{
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px 4px;
}

.page-products .stat-num{
  color: var(--color-orange);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  line-height: 1;
}

.page-products .stat-label{
  color: var(--color-mist);
  font-size: .82rem;
  letter-spacing: .06em;
}

.page-products .intro-slice{
  position: absolute;
  right: 0;
  bottom: 0;
  width: 42px;
  height: 42px;
  background: var(--color-yellow);
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
  opacity: .75;
}

.page-products .section-header{
  margin-bottom: 26px;
}

.page-products .section-kicker{
  display: inline-block;
  margin-bottom: 8px;
  color: var(--color-orange);
  font-weight: 600;
  letter-spacing: .1em;
}

.page-products .section-header h2{
  margin: 0 0 10px;
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  line-height: 1.16;
  color: var(--pd-space-blue);
}

.page-products .section-desc{
  color: var(--color-text-muted);
  font-size: .95rem;
  line-height: 1.7;
  max-width: 720px;
}

.page-products .latest-section{
  padding: 64px 0;
  background: var(--color-white);
}

.page-products .latest-grid{
  display: grid;
  gap: 28px;
  align-items: center;
}

.page-products .latest-card{
  position: relative;
  overflow: hidden;
  border-radius: 20px;
  padding: 32px 28px;
  box-shadow: var(--shadow-lift);
}

.page-products .latest-card::before{
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 88px;
  height: 6px;
  background: linear-gradient(90deg, var(--color-orange), var(--color-yellow));
  border-radius: 0 0 6px 0;
}

.page-products .latest-label{
  display: inline-block;
  color: var(--color-mist);
  font-size: .76rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.page-products .latest-version{
  display: block;
  font-size: 3rem;
  line-height: 1.1;
  color: #FFFFFF;
  margin-bottom: 22px;
}

.page-products .latest-spec{
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .latest-spec li{
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid rgba(217,225,236,.18);
  padding-bottom: 8px;
}

.page-products .spec-key{
  color: var(--color-mist);
  font-size: .88rem;
}

.page-products .spec-val{
  color: #FFFFFF;
  font-weight: 600;
}

.page-products .latest-tip{
  color: rgba(217,225,236,.66);
  font-size: .85rem;
  line-height: 1.6;
  margin-bottom: 20px;
}

.page-products .latest-figure{
  margin: 0;
  text-align: center;
}

.page-products .latest-figure img{
  max-width: 200px;
  width: 100%;
  height: auto;
  margin: 0 auto;
  border-radius: 18px;
}

.page-products .latest-figure figcaption{
  color: var(--color-text-muted);
  font-size: .82rem;
  margin-top: 10px;
}

.page-products .archive-section{
  padding: 64px 0;
  background: var(--color-bg-light);
}

.page-products .archive-media{
  margin: 0 0 26px;
}

.page-products .archive-media img{
  width: 100%;
  height: auto;
  border-radius: var(--pd-radius);
}

.page-products .filter-bar{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.page-products .filter-link{
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--color-white);
  color: var(--pd-space-blue);
  font-weight: 600;
  font-size: .88rem;
  border: 1px solid var(--color-mist);
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}

.page-products .filter-link:hover,
.page-products .filter-link:focus{
  background: var(--color-orange);
  border-color: var(--color-orange);
  color: #FFFFFF;
}

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

.page-products .year-block{
  padding: 22px 20px;
  background: var(--color-white);
  border-radius: var(--pd-radius);
  box-shadow: var(--shadow-card);
}

.page-products .year-head{
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 16px;
}

.page-products .year-badge{
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--color-orange);
  font-size: 1rem;
}

.page-products .year-note{
  color: var(--color-text-muted);
  font-size: .88rem;
}

.page-products .version-chip-list{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-products .version-chip-list li{
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 10px;
  background: var(--color-bg-light);
  border-radius: 8px;
}

.page-products .ver-year{
  color: var(--color-text-muted);
  font-size: .75rem;
}

.page-products .ver-name{
  font-weight: 600;
  color: var(--pd-space-blue);
}

.page-products .tools-section{
  padding: 64px 0;
  background: var(--color-white);
}

.page-products .tools-matrix{
  margin: 0 0 28px;
}

.page-products .tools-matrix img{
  width: 100%;
  height: auto;
  border-radius: var(--pd-radius);
}

.page-products .tool-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products .tool-card{
  --tone: var(--color-cyan);
  --tone-soft: #EAF8F6;
  position: relative;
  min-height: 220px;
  border-radius: var(--pd-radius);
  perspective: 900px;
}

.page-products .tool-card.tc-calc{
  --tone: var(--color-cyan);
  --tone-soft: #EAF8F6;
}

.page-products .tool-card.tc-match{
  --tone: var(--color-yellow);
  --tone-soft: #FFF6E3;
}

.page-products .tool-card.tc-data{
  --tone: var(--color-orange);
  --tone-soft: #FFEFE8;
}

.page-products .tool-card.tc-sys{
  --tone: var(--color-purple);
  --tone-soft: #F1EBF9;
}

.page-products .tool-card.tc-safe{
  --tone: var(--pd-space-blue);
  --tone-soft: #E7ECF3;
}

.page-products .tool-card.tc-content{
  --tone: var(--pd-deep-blue);
  --tone-soft: #E9F1F8;
}

.page-products .tool-card-inner{
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  transition: transform .35s ease;
}

.page-products .tool-card:hover .tool-card-inner,
.page-products .tool-card:focus-within .tool-card-inner{
  transform: rotateY(180deg);
}

.page-products .tool-card-face,
.page-products .tool-card-back{
  position: absolute;
  inset: 0;
  border-radius: var(--pd-radius);
  overflow: hidden;
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  backface-visibility: hidden;
}

.page-products .tool-card-face{
  position: relative;
  background: linear-gradient(145deg, var(--tone-soft) 0%, #FFFFFF 74%);
  color: var(--color-text);
}

.page-products .tool-card-face::after{
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 52px;
  height: 52px;
  background: var(--tone);
  clip-path: polygon(100% 0, 100% 100%, 0 0);
}

.page-products .tool-index{
  position: absolute;
  top: 10px;
  right: 10px;
  color: #FFFFFF;
  font-weight: 700;
  font-size: .82rem;
  z-index: 1;
}

.page-products .tool-card-face h3{
  margin: 14px 0 6px;
  font-size: 1.08rem;
  color: var(--pd-space-blue);
}

.page-products .tool-card-face p{
  margin: 0 0 12px;
  font-size: .85rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

.page-products .tool-card-back{
  background: linear-gradient(145deg, var(--pd-space-blue) 0%, var(--pd-deep-blue) 100%);
  color: #FFFFFF;
  transform: rotateY(180deg);
}

.page-products .tool-card-back h3{
  margin: 0 0 8px;
  font-size: 1.08rem;
  color: #FFFFFF;
}

.page-products .tool-card-back p{
  margin: 0 0 14px;
  color: var(--color-mist);
  font-size: .87rem;
  line-height: 1.6;
}

.page-products .tool-status{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-mist);
  font-size: .8rem;
  margin-top: auto;
}

.page-products .tool-card-back .text-link{
  color: var(--color-yellow);
  font-weight: 600;
  font-size: .83rem;
  margin-top: 8px;
}

.page-products .maintenance-section{
  padding: 64px 0;
  background: var(--color-bg-light);
}

.page-products .maintain-layout{
  display: grid;
  gap: 24px;
  align-items: start;
}

.page-products .maintain-gauge{
  margin: 0;
  text-align: center;
}

.page-products .maintain-gauge img{
  max-width: 260px;
  width: 100%;
  height: auto;
  margin: 0 auto;
  border-radius: var(--pd-radius);
}

.page-products .maintain-gauge figcaption{
  color: var(--color-text-muted);
  font-size: .82rem;
  margin-top: 10px;
}

.page-products .status-table-wrap{
  overflow-x: auto;
  border-radius: var(--pd-radius);
  background: var(--color-white);
  box-shadow: var(--shadow-card);
}

.page-products .status-table{
  width: 100%;
  min-width: 580px;
  border-collapse: collapse;
  font-size: .9rem;
}

.page-products .status-table th{
  text-align: left;
  padding: 12px 14px;
  background: var(--pd-space-blue);
  color: #FFFFFF;
  font-weight: 600;
  white-space: nowrap;
}

.page-products .status-table td{
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-mist);
  color: var(--color-text);
}

.page-products .status-table tr:last-child td{
  border-bottom: 0;
}

.page-products .status-table tbody tr:hover{
  background: var(--color-bg-light);
}

.page-products .month-detail{
  margin-top: 24px;
  background: var(--color-white);
  border-radius: var(--pd-radius);
  padding: 16px 18px;
  box-shadow: var(--shadow-card);
}

.page-products .month-detail summary{
  cursor: pointer;
  font-weight: 600;
  color: var(--pd-space-blue);
}

.page-products .month-detail ul{
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--color-text-muted);
  line-height: 1.75;
}

.page-products .guide-section{
  padding: 64px 0;
  background: var(--color-space-blue);
}

.page-products .guide-section .section-header h2{
  color: #FFFFFF;
}

.page-products .guide-section .section-desc{
  color: var(--color-mist);
}

.page-products .guide-media{
  margin: 0 0 30px;
}

.page-products .guide-media img{
  width: 100%;
  height: auto;
  border-radius: var(--pd-radius);
}

.page-products .guide-steps{
  max-width: 760px;
  margin: 0 auto;
}

.page-products .guide-links{
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.page-products .guide-links a{
  display: inline-flex;
  padding: 9px 16px;
  border-radius: 8px;
  background: rgba(255,255,255,.9);
  color: var(--pd-space-blue);
  font-weight: 600;
  font-size: .9rem;
  transition: background .2s ease, color .2s ease, transform .2s ease;
}

.page-products .guide-links a:hover,
.page-products .guide-links a:focus{
  background: var(--color-orange);
  color: #FFFFFF;
  transform: translateY(-2px);
}

@media (min-width: 640px){
  .page-products .version-chip-list{
    grid-template-columns: repeat(3, 1fr);
  }

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

  .page-products .intro-board{
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
}

@media (min-width: 900px){
  .page-products .intro-inner{
    grid-template-columns: 1.25fr 1fr;
    align-items: center;
  }

  .page-products .latest-grid{
    grid-template-columns: 1.5fr .9fr;
    gap: 32px;
  }

  .page-products .latest-figure img{
    max-width: 240px;
    margin: 0 0 0 auto;
  }

  .page-products .latest-figure figcaption{
    text-align: right;
  }

  .page-products .maintain-layout{
    grid-template-columns: 280px 1fr;
    gap: 28px;
  }

  .page-products .maintain-gauge img{
    max-width: 280px;
  }
}

@media (min-width: 1024px){
  .page-products .version-chip-list{
    grid-template-columns: repeat(4, 1fr);
  }

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

  .page-products .archive-groups{
    grid-template-columns: 1fr;
  }
}