.page-products{
  --products-shadow: 0 14px 36px rgba(14,26,43,.1);
  --products-shadow-lg: 0 24px 60px rgba(14,26,43,.16);
  --products-gold-soft: rgba(212,175,55,.16);
  --products-border-gold: rgba(212,175,55,.6);
  --products-dark-2: #0b1524;
  background: var(--cream);
  overflow: hidden;
}

.page-products img{
  max-width: 100%;
  height: auto;
}

.page-products .breadcrumb{
  margin-bottom: 12px;
}

.page-products__masthead{
  background:
    radial-gradient(circle at 82% 16%, rgba(212,175,55,.2) 0%, rgba(212,175,55,0) 44%),
    linear-gradient(135deg, var(--deep-blue) 0%, #0b1524 100%);
  color: var(--cream);
  padding: 32px 0 68px;
  position: relative;
}

.page-products__masthead::after{
  content: "";
  position: absolute;
  right: -90px;
  bottom: -70px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  border: 1px solid rgba(212,175,55,.2);
  pointer-events: none;
}

.page-products__masthead .breadcrumb-list{
  color: rgba(250,247,240,.6);
}

.page-products__masthead .breadcrumb-item a{
  color: rgba(250,247,240,.78);
  text-decoration: none;
  transition: color .3s var(--ease);
}

.page-products__masthead .breadcrumb-item a:hover{
  color: var(--gold-light);
}

.page-products__masthead .breadcrumb-item[aria-current="page"]{
  color: var(--gold-light);
}

.page-products__masthead-grid{
  display: grid;
  gap: 28px;
  margin-top: 28px;
  position: relative;
  z-index: 1;
}

.page-products__masthead-copy .eyebrow{
  margin-bottom: 10px;
}

.page-products__masthead-copy h1{
  margin: 0 0 18px;
  font-size: clamp(30px, 5vw, 46px);
  line-height: 1.22;
  font-weight: 800;
  letter-spacing: -0.02em;
  max-width: 720px;
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
}

.page-products__masthead-lead{
  font-family: "Noto Serif SC", "Source Han Serif", Georgia, serif;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(250,247,240,.82);
  max-width: 640px;
  margin: 0;
}

.page-products__masthead-meta{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.page-products__masthead-meta .tag{
  background: rgba(212,175,55,.12);
  color: var(--gold-light);
  border: 1px solid rgba(212,175,55,.26);
  text-decoration: none;
  transition: background .3s var(--ease), border-color .3s var(--ease);
}

.page-products__masthead-meta .tag:hover{
  background: rgba(212,175,55,.22);
  border-color: var(--gold-light);
}

.page-products__masthead-art{
  border-radius: 24px;
  overflow: hidden;
  height: 220px;
  background: var(--primary-blue);
  border: 1px solid rgba(212,175,55,.24);
  box-shadow: 0 24px 60px rgba(0,0,0,.28);
}

.page-products__masthead-art img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-products__overview{
  padding: 68px 0 80px;
}

.page-products__block-head{
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.page-products__block-aside{
  max-width: 340px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  margin: 0;
}

.page-products__overview-shot{
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  box-shadow: var(--products-shadow);
  margin: 30px auto 38px;
}

.page-products__service-list{
  display: grid;
  gap: 18px;
}

.page-products__service-card{
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 22px;
  border-radius: 24px;
  background: var(--surface-white);
  border: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(14,26,43,.05);
  transition: transform .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease), background .35s var(--ease);
}

.page-products__service-card:hover{
  transform: translateY(-4px);
  border-color: var(--gold);
  box-shadow: var(--products-shadow);
}

.page-products__service-card--gold{
  background: linear-gradient(130deg, #0e1a2b 0%, #123a5e 100%);
  border-color: rgba(212,175,55,.5);
  box-shadow: 0 18px 40px rgba(14,26,43,.18);
}

.page-products__service-card--gold:hover{
  border-color: var(--gold);
  box-shadow: var(--products-shadow-lg);
}

.page-products__service-icon{
  flex: 0 0 auto;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: var(--products-gold-soft);
  color: var(--gold);
  display: grid;
  place-items: center;
  box-shadow: inset 0 0 0 1px rgba(212,175,55,.22);
}

.page-products__service-card--gold .page-products__service-icon{
  background: rgba(212,175,55,.16);
  color: var(--gold-light);
}

.page-products__service-icon svg{
  width: 26px;
  height: 26px;
}

.page-products__service-topline{
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.page-products__service-index{
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--primary-blue);
}

.page-products__service-card--gold .page-products__service-index{
  color: var(--gold);
}

.page-products__service-title{
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 20px;
  font-weight: 800;
  margin: 0 0 6px;
  color: var(--ink-dark);
}

.page-products__service-card--gold .page-products__service-title{
  color: var(--cream);
}

.page-products__service-text{
  font-family: "Noto Serif SC", "Source Han Serif", Georgia, serif;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-muted);
  margin: 0 0 12px;
}

.page-products__service-card--gold .page-products__service-text{
  color: rgba(250,247,240,.78);
}

.page-products__service-link{
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--deep-blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .3s var(--ease), border-color .3s var(--ease);
}

.page-products__service-link:hover{
  color: var(--gold);
  border-color: var(--gold);
}

.page-products__service-card--gold .page-products__service-link{
  color: var(--gold-light);
}

.page-products__service-card--gold .page-products__service-link:hover{
  color: #fff;
  border-color: var(--gold-light);
}

.page-products__verify{
  background: #f7f2e7;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 76px 0;
}

.page-products__verify-grid{
  display: grid;
  gap: 36px;
}

.page-products__verify-visual{
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-products__device-frame{
  width: 260px;
  max-width: 100%;
  background: var(--deep-blue);
  border-radius: 32px;
  padding: 10px;
  box-shadow: 0 24px 60px rgba(14,26,43,.25);
  border: 1px solid rgba(212,175,55,.4);
}

.page-products__device-frame img{
  display: block;
  width: 100%;
  height: auto;
  border-radius: 22px;
}

.page-products__verify-copy .section-kicker{
  color: var(--primary-blue);
}

.page-products__verify-copy h2{
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 800;
  color: var(--deep-blue);
  margin: 10px 0 12px;
}

.page-products__verify-lead{
  font-family: "Noto Serif SC", "Source Han Serif", Georgia, serif;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-muted);
  max-width: 520px;
  margin-bottom: 26px;
}

.page-products__verify-steps{
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products__verify-step{
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--surface-white);
  border: 1px solid var(--line);
  padding: 16px;
  border-radius: var(--radius-md);
  transition: border-color .3s var(--ease);
}

.page-products__verify-step:hover{
  border-color: var(--gold);
}

.page-products__step-num{
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--deep-blue);
  color: var(--gold);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 14px;
}

.page-products__step-body h3{
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-dark);
  margin: 0 0 4px;
}

.page-products__step-body p{
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-muted);
  margin: 0;
}

.page-products__verify-note{
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 12px 16px;
  margin-bottom: 24px;
  background: rgba(212,175,55,.08);
}

.page-products__verify-note p{
  font-family: "Noto Serif SC", "Source Han Serif", Georgia, serif;
  font-size: 14px;
  line-height: 1.7;
  color: var(--deep-blue);
  margin: 0 0 6px;
}

.page-products__verify-note p:last-child{
  margin-bottom: 0;
}

.page-products__upgrade{
  background:
    radial-gradient(circle at 12% 90%, rgba(212,175,55,.14) 0%, rgba(212,175,55,0) 40%),
    var(--deep-blue);
  color: var(--cream);
  padding: 76px 0;
}

.page-products__upgrade .section-kicker{
  color: var(--gold);
}

.page-products__upgrade .section-title{
  color: var(--cream);
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 800;
  margin: 8px 0 16px;
}

.page-products__upgrade-intro{
  font-family: "Noto Serif SC", "Source Han Serif", Georgia, serif;
  max-width: 620px;
  color: rgba(250,247,240,.85);
  font-size: 15px;
  line-height: 1.85;
  margin-bottom: 38px;
}

.page-products__upgrade-grid{
  display: grid;
  gap: 24px;
}

.page-products__upgrade-panel{
  border-radius: var(--radius-lg);
  padding: 28px;
}

.page-products__upgrade-panel--dark{
  background: var(--primary-blue);
  border: 1px solid rgba(240,215,140,.18);
}

.page-products__upgrade-panel--dark h3,
.page-products__upgrade-panel--light h3{
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 18px;
}

.page-products__upgrade-panel--dark h3{
  color: var(--gold-light);
}

.page-products__upgrade-list{
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products__upgrade-list li{
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(250,247,240,.88);
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(240,215,140,.14);
}

.page-products__upgrade-list li:last-child{
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products__upgrade-list li span{
  color: var(--gold);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .04em;
}

.page-products__upgrade-panel--light{
  background: var(--cream);
  color: var(--ink-dark);
}

.page-products__upgrade-panel--light h3{
  color: var(--deep-blue);
}

.page-products__upgrade-stat{
  border-left: 2px solid var(--gold);
  padding-left: 16px;
  margin-bottom: 22px;
}

.page-products__upgrade-stat strong{
  display: block;
  font-size: 30px;
  font-weight: 900;
  color: var(--deep-blue);
  line-height: 1.2;
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
}

.page-products__upgrade-stat span{
  font-size: 14px;
  color: var(--text-muted);
}

.page-products__upgrade-credential{
  border-top: 1px solid var(--line);
  padding-top: 16px;
  margin-top: 4px;
  font-family: "Noto Serif SC", "Source Han Serif", Georgia, serif;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.8;
}

.page-products__versions{
  background: var(--cream);
  padding: 76px 0 68px;
}

.page-products__versions-grid{
  display: grid;
  gap: 36px;
  align-items: center;
}

.page-products__versions-copy .section-kicker{
  color: var(--primary-blue);
}

.page-products__versions-copy h2{
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 800;
  color: var(--deep-blue);
  margin: 8px 0 16px;
}

.page-products__versions-copy > p{
  font-family: "Noto Serif SC", "Source Han Serif", Georgia, serif;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-muted);
  margin: 0 0 20px;
}

.page-products__version-points{
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products__version-points li{
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  color: var(--ink-dark);
  line-height: 1.7;
}

.page-products__version-points li::before{
  content: "";
  position: absolute;
  left: 0;
  top: .6em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
}

.page-products__version-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products__versions-visual{
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--products-shadow);
  background: var(--surface-white);
}

.page-products__versions-visual img{
  display: block;
  width: 100%;
  height: auto;
}

.page-products__version-rail{
  margin-top: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  padding-top: 22px;
}

.page-products__version-node{
  font-size: 13px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: .04em;
}

.page-products__version-node--current{
  color: var(--deep-blue);
  background: var(--gold);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
}

.page-products__changelog{
  background:
    radial-gradient(circle at 90% 12%, rgba(212,175,55,.12) 0%, rgba(212,175,55,0) 36%),
    var(--deep-blue);
  color: var(--cream);
  padding: 76px 0;
}

.page-products__changelog .section-kicker{
  color: var(--gold);
}

.page-products__changelog .section-title{
  color: var(--cream);
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 800;
  margin: 8px 0 16px;
}

.page-products__log-head{
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 32px;
}

.page-products__log-head > p{
  max-width: 320px;
  font-size: 14px;
  color: rgba(250,247,240,.76);
  line-height: 1.7;
  margin: 0;
}

.page-products__log-grid{
  display: grid;
  gap: 28px;
}

.page-products__log-list{
  display: grid;
  gap: 14px;
}

.page-products__log-item{
  display: flex;
  gap: 16px;
  background: rgba(250,247,240,.05);
  border: 1px solid rgba(240,215,140,.14);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  transition: border-color .3s var(--ease), background .3s var(--ease);
}

.page-products__log-item:hover{
  border-color: var(--gold);
  background: rgba(212,175,55,.08);
}

.page-products__log-date{
  flex: 0 0 auto;
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  padding-top: 4px;
}

.page-products__log-content h3{
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  font-weight: 800;
  color: var(--cream);
  margin: 0 0 6px;
}

.page-products__log-content p{
  font-family: "Noto Serif SC", "Source Han Serif", Georgia, serif;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(250,247,240,.72);
  margin: 0 0 10px;
}

.page-products__log-content .tag{
  color: var(--gold-light);
  background: rgba(212,175,55,.1);
  border-color: rgba(212,175,55,.22);
}

.page-products__log-image{
  border-radius: var(--radius-lg);
  border: 1px solid rgba(240,215,140,.14);
  width: 100%;
  height: auto;
}

@media (min-width: 640px){
  .page-products__masthead-art{
    height: 280px;
  }

  .page-products__service-list{
    gap: 22px;
  }
}

@media (min-width: 900px){
  .page-products__masthead{
    padding: 44px 0 88px;
  }

  .page-products__masthead-grid{
    grid-template-columns: 1.05fr .95fr;
    gap: 48px;
    align-items: center;
    margin-top: 34px;
  }

  .page-products__masthead-art{
    height: 340px;
  }

  .page-products__overview{
    padding: 88px 0 96px;
  }

  .page-products__overview-shot{
    max-width: 860px;
    margin-right: auto;
    margin-left: auto;
  }

  .page-products__service-card{
    width: 72%;
    padding: 28px 32px;
    gap: 24px;
    align-items: center;
  }

  .page-products__service-card:nth-child(even){
    margin-left: auto;
  }

  .page-products__service-card--gold{
    width: 78%;
  }

  .page-products__service-icon{
    width: 60px;
    height: 60px;
    border-radius: 18px;
  }

  .page-products__verify{
    padding: 92px 0;
  }

  .page-products__verify-grid{
    grid-template-columns: .9fr 1.1fr;
    gap: 64px;
    align-items: center;
  }

  .page-products__verify-visual{
    order: 2;
    justify-content: flex-end;
  }

  .page-products__device-frame{
    width: 280px;
  }

  .page-products__upgrade{
    padding: 92px 0;
  }

  .page-products__upgrade-grid{
    grid-template-columns: 1.15fr .85fr;
    gap: 28px;
    align-items: stretch;
  }

  .page-products__upgrade-panel{
    padding: 36px;
  }

  .page-products__versions{
    padding: 92px 0 80px;
  }

  .page-products__versions-grid{
    grid-template-columns: 1fr 1fr;
    gap: 56px;
  }

  .page-products__changelog{
    padding: 92px 0;
  }

  .page-products__log-grid{
    grid-template-columns: 1.15fr .85fr;
    align-items: center;
    gap: 36px;
  }
}