.page-products{
  --sol-gap: clamp(1rem, 3vw, 2rem);
  --sol-space: clamp(3.5rem, 8vw, 6.5rem);
  --sol-cut: 18px;
  overflow-x: clip;
  background:
    radial-gradient(1000px 500px at 90% -5%, rgba(167,139,250,.14), transparent 60%),
    radial-gradient(800px 420px at 5% 30%, rgba(34,211,238,.09), transparent 55%),
    var(--color-bg);
  color: var(--color-text);
}

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

.page-products .breadcrumb{
  position: relative;
  z-index: 1;
  margin: 0 0 clamp(1.5rem, 4vw, 2.5rem);
}

/* ===== Hero ===== */
.sol-hero{
  position: relative;
  overflow: hidden;
  padding: clamp(2.5rem, 6vw, 4.5rem) 0 0;
}

.sol-hero::before{
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary), var(--color-accent));
  opacity: .9;
}

.sol-hero::after{
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, rgba(34,211,238,.10) 0, transparent 45%),
    linear-gradient(-115deg, rgba(167,139,250,.10) 0, transparent 45%);
  pointer-events: none;
}

.sol-hero-inner{
  position: relative;
  z-index: 1;
}

.sol-hero-grid{
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
  padding-bottom: clamp(2.5rem, 6vw, 4rem);
}

.sol-hero-kicker{
  margin: 0 0 .75rem;
  font: 900 .85rem/1.4 var(--font-heading);
  letter-spacing: .35em;
  color: var(--color-primary);
}

.sol-hero .page-title{
  margin: 0 0 1.1rem;
  font-size: clamp(2rem, 5.2vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: .02em;
}

.sol-hero-copy{
  position: relative;
  min-width: 0;
}

.sol-hero-copy::after{
  content: "竞技无界";
  position: absolute;
  top: .25rem;
  right: 0;
  display: none;
  writing-mode: vertical-rl;
  font: 700 .8rem/1.6 var(--font-heading);
  letter-spacing: .3em;
  color: var(--color-muted);
  opacity: .75;
}

.sol-hero-lead{
  margin: 0 0 1rem;
  max-width: 30ch;
  font: 700 clamp(1.1rem, 2.4vw, 1.5rem)/1.5 var(--font-heading);
  color: var(--color-text);
}

.sol-hero-intro{
  margin: 0 0 1.5rem;
  max-width: 46ch;
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.6vw, 1.125rem);
  line-height: 1.85;
  color: var(--color-muted);
}

.sol-hero-actions{
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

.sol-window-frame{
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  clip-path: polygon(0 0, calc(100% - var(--sol-cut)) 0, 100% var(--sol-cut), 100% 100%, var(--sol-cut) 100%, 0 calc(100% - var(--sol-cut)));
  padding: clamp(1.25rem, 3vw, 2rem);
}

.sol-window-frame::before{
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 120px;
  height: 4px;
  background: var(--gradient-brand);
}

.sol-window-frame > *{
  position: relative;
}

.sol-window-label{
  margin: 0 0 1rem;
  padding-bottom: .6rem;
  border-bottom: 1px solid var(--color-border);
  font: 900 1rem/1.4 var(--font-heading);
  letter-spacing: .18em;
  color: var(--color-primary);
}

.sol-window-stats{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .75rem;
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
}

.sol-stat-cell{
  padding: .75rem;
  background: rgba(15,26,44,.55);
  border-left: 2px solid var(--color-primary);
}

.sol-stat-cell:nth-child(even){
  border-left-color: var(--color-secondary);
}

.sol-stat-cell:nth-child(3){
  border-left-color: var(--color-accent);
}

.sol-stat-cell dt{
  margin-bottom: .3rem;
  font: 700 .72rem/1.3 var(--font-heading);
  letter-spacing: .12em;
  color: var(--color-muted);
}

.sol-stat-cell dd{
  margin: 0;
  font: 900 1rem/1.3 var(--font-heading);
  color: var(--color-text);
}

.sol-window-note{
  margin: 0;
  padding: .75rem;
  border: 1px dashed var(--color-border);
  font-family: var(--font-body);
  font-size: .9rem;
  line-height: 1.7;
  color: var(--color-muted);
}

/* ===== Section heads ===== */
.sol-section{
  position: relative;
  padding: var(--sol-space) 0;
}

.sol-section + .sol-section{
  border-top: 1px solid var(--color-border);
}

.sol-section-head{
  margin-bottom: clamp(2rem, 5vw, 3.25rem);
}

.sol-section-head .section-kicker{
  margin-bottom: .5rem;
}

.sol-heading-row{
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: .75rem;
}

.sol-section-head .section-title{
  margin: 0;
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  line-height: 1.2;
}

.sol-mark{
  margin-left: auto;
  font: 900 clamp(1.7rem, 4vw, 2.6rem)/1 var(--font-heading);
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  opacity: .85;
}

.sol-section-head--alt .sol-mark{
  margin-left: 0;
}

.sol-section-desc{
  margin: 0;
  max-width: 62ch;
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  line-height: 1.8;
  color: var(--color-muted);
}

/* ===== Module tabs ===== */
.mod-tabs{
  position: relative;
}

.mod-tab-input{
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
  pointer-events: none;
}

.mod-tab-list{
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 1.25rem;
  position: relative;
  z-index: 2;
}

.mod-tab-label{
  padding: .8rem 1.1rem;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-muted);
  font: 900 .95rem/1 var(--font-heading);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
  cursor: pointer;
  user-select: none;
  transition: color .2s ease, border-color .2s ease, background .2s ease;
}

.mod-tab-label:hover,
.mod-tab-label:focus-visible{
  color: var(--color-text);
  border-color: var(--color-primary);
}

#tab-match:checked ~ .mod-tab-list label[for="tab-match"],
#tab-stand:checked ~ .mod-tab-list label[for="tab-stand"],
#tab-preview:checked ~ .mod-tab-list label[for="tab-preview"],
#tab-version:checked ~ .mod-tab-list label[for="tab-version"]{
  border-color: transparent;
  background: var(--gradient-brand);
  color: #0F1A2C;
}

#tab-match:focus-visible ~ .mod-tab-list label[for="tab-match"],
#tab-stand:focus-visible ~ .mod-tab-list label[for="tab-stand"],
#tab-preview:focus-visible ~ .mod-tab-list label[for="tab-preview"],
#tab-version:focus-visible ~ .mod-tab-list label[for="tab-version"]{
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.mod-panels{
  position: relative;
  min-height: 220px;
}

.mod-panel{
  display: none;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 26px 100%, 0 calc(100% - 26px));
}

#tab-match:checked ~ .mod-panels #panel-match,
#tab-stand:checked ~ .mod-panels #panel-stand,
#tab-preview:checked ~ .mod-panels #panel-preview,
#tab-version:checked ~ .mod-panels #panel-version{
  display: block;
}

.mod-panel-grid{
  display: grid;
  gap: 1.5rem;
  padding: clamp(1.25rem, 3.5vw, 2.25rem);
}

.mod-panel-copy{
  min-width: 0;
}

.mod-panel-copy .tag{
  display: inline-block;
  margin-bottom: 1rem;
}

.mod-panel-copy h3{
  margin: 0 0 .8rem;
  font: 900 clamp(1.35rem, 2.6vw, 1.9rem)/1.25 var(--font-heading);
}

.mod-panel-copy p{
  margin: 0 0 1rem;
  max-width: 52ch;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.85;
  color: var(--color-muted);
}

.mod-points{
  display: grid;
  gap: .5rem;
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
}

.mod-points li{
  position: relative;
  padding: .55rem .75rem .55rem 2rem;
  background: rgba(15,26,44,.45);
  font: 500 .95rem/1.5 var(--font-body);
  color: var(--color-text);
}

.mod-points li::before{
  content: "";
  position: absolute;
  left: .75rem;
  top: 50%;
  width: 8px;
  height: 8px;
  transform: translateY(-50%) rotate(45deg);
  background: var(--color-primary);
}

.mod-points li:nth-child(2)::before{
  background: var(--color-secondary);
}

.mod-points li:nth-child(3)::before{
  background: var(--color-accent);
}

.mod-panel-figure{
  margin: 0;
  min-width: 0;
}

.mod-panel-figure img{
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
}

.mod-panel-figure--square img{
  max-width: 360px;
  aspect-ratio: 1 / 1;
}

.mod-ring-img{
  margin-inline: auto;
}

.mod-panel-figure figcaption{
  padding: .6rem .2rem 0;
  font-family: var(--font-body);
  font-size: .85rem;
  line-height: 1.6;
  color: var(--color-muted);
}

.mod-panel-note{
  display: flex;
  flex-direction: column;
  gap: .8rem;
  align-self: stretch;
  min-width: 0;
  padding: 1.25rem;
  background: rgba(15,26,44,.5);
  border: 1px dashed var(--color-border);
  border-left: 3px solid var(--color-secondary);
}

.mod-panel-note--version{
  background: rgba(249,115,22,.06);
  border-left-color: var(--color-accent);
}

.sol-note-kicker{
  margin: 0;
  font: 900 .8rem/1.3 var(--font-heading);
  letter-spacing: .2em;
  color: var(--color-primary);
}

.mod-panel-note .sol-note-kicker{
  color: var(--color-secondary);
}

.mod-panel-note--version .sol-note-kicker{
  color: var(--color-accent);
}

.sol-version-glow{
  margin: 0;
  font: 900 clamp(2.2rem, 5vw, 3.4rem)/1 var(--font-heading);
  color: var(--color-accent);
  text-shadow: 0 0 18px rgba(249,115,22,.55), 0 0 40px rgba(239,68,68,.3);
}

.mod-panel-note p:not(.sol-note-kicker):not(.sol-version-glow){
  margin: 0;
  font-family: var(--font-body);
  font-size: .95rem;
  line-height: 1.75;
  color: var(--color-muted);
}

/* ===== Tech canvas ===== */
.sol-tech-canvas{
  position: relative;
  overflow: hidden;
  padding: clamp(1.25rem, 3.5vw, 2.5rem);
  background: linear-gradient(120deg, rgba(34,211,238,.10), rgba(167,139,250,.08)), var(--color-surface);
  border: 1px solid var(--color-border);
  clip-path: polygon(0 0, calc(100% - 30px) 0, 100% 30px, 100% 100%, 30px 100%, 0 calc(100% - 30px));
}

.sol-flow-lines{
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: .55;
  pointer-events: none;
}

.sol-flow-path{
  animation: solFlowDash 22s linear infinite;
}

@keyframes solFlowDash{
  to{
    stroke-dashoffset: -240;
  }
}

@media (prefers-reduced-motion: reduce){
  .sol-flow-path{
    animation: none;
  }
}

.tech-grid{
  position: relative;
  display: grid;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.tech-node{
  position: relative;
  min-width: 0;
  padding: 1.25rem 1.25rem 1.25rem 1.5rem;
  background: rgba(15,26,44,.55);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-primary);
}

.tech-node:nth-child(2){
  border-left-color: var(--color-secondary);
}

.tech-node:nth-child(3){
  border-left-color: var(--color-accent);
}

.tech-node-num{
  display: block;
  margin-bottom: .5rem;
  font: 900 .8rem/1.2 var(--font-heading);
  letter-spacing: .2em;
  color: var(--color-primary);
}

.tech-node:nth-child(2) .tech-node-num{
  color: var(--color-secondary);
}

.tech-node:nth-child(3) .tech-node-num{
  color: var(--color-accent);
}

.tech-node h3{
  margin: 0 0 .5rem;
  font: 900 1.1rem/1.3 var(--font-heading);
}

.tech-node p{
  margin: 0;
  font-family: var(--font-body);
  font-size: .95rem;
  line-height: 1.75;
  color: var(--color-muted);
}

.tech-static{
  margin: 0;
  position: relative;
}

.tech-static img{
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
}

.tech-static figcaption{
  padding: .6rem .2rem 0;
  font-family: var(--font-body);
  font-size: .85rem;
  color: var(--color-muted);
}

.sol-trust-line{
  display: flex;
  align-items: center;
  gap: .6rem;
  margin: 1.5rem 0 0;
  padding: 1rem 1.25rem;
  background: linear-gradient(90deg, rgba(34,211,238,.14), rgba(167,139,250,.10));
  border-left: 3px solid var(--color-primary);
  font: 700 .92rem/1.5 var(--font-heading);
  color: var(--color-text);
}

/* ===== Version timeline ===== */
.version-list{
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.version-list::before{
  content: "";
  position: absolute;
  left: 11px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--color-primary), var(--color-secondary), var(--color-accent));
}

.version-item{
  position: relative;
  margin-bottom: 1.25rem;
  padding-left: 2.6rem;
}

.version-node{
  position: absolute;
  left: 0;
  top: 1.1rem;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-bg);
  border: 2px solid var(--color-primary);
}

.version-item:nth-child(2) .version-node{
  border-color: var(--color-secondary);
}

.version-item:nth-child(3) .version-node{
  border-color: var(--color-muted);
}

.version-item--current .version-node{
  border-color: var(--color-accent);
  box-shadow: 0 0 0 5px rgba(249,115,22,.18), 0 0 20px rgba(249,115,22,.5);
}

.version-card{
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
}

.version-card summary{
  position: relative;
  padding: 1rem 1.25rem;
  list-style: none;
  font: 900 1rem/1.4 var(--font-heading);
  color: var(--color-text);
  cursor: pointer;
}

.version-card summary::-webkit-details-marker{
  display: none;
}

.version-card summary::after{
  content: "+";
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  font: 700 1.2rem/1 var(--font-heading);
  color: var(--color-muted);
}

.version-card[open] summary::after{
  content: "–";
}

.version-card summary:focus-visible{
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
  color: var(--color-primary);
}

.version-card p{
  margin: 0;
  padding: 0 1.25rem 1.1rem;
  font-family: var(--font-body);
  font-size: .95rem;
  line-height: 1.8;
  color: var(--color-muted);
}

.version-item--current .version-card{
  border-color: rgba(249,115,22,.4);
  background: linear-gradient(120deg, rgba(249,115,22,.10), rgba(239,68,68,.04)), var(--color-surface);
}

.version-item--current .version-card summary{
  color: var(--color-accent);
}

.version-aside{
  margin-top: 2rem;
}

.version-figure{
  margin: 0;
}

.version-figure img{
  display: block;
  width: 100%;
  max-width: 460px;
  margin-inline: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 22px 100%, 0 calc(100% - 22px));
}

.version-figure figcaption{
  padding: .6rem .2rem 0;
  font-family: var(--font-body);
  font-size: .85rem;
  color: var(--color-muted);
}

/* ===== Scenarios ===== */
.sol-scenario-grid{
  display: grid;
  gap: 1rem;
}

.scenario-card{
  position: relative;
  overflow: hidden;
  min-width: 0;
  padding: clamp(1.25rem, 3vw, 1.75rem);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
}

.scenario-card::before{
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, transparent 45%, rgba(34,211,238,.25) 46%, rgba(167,139,250,.25) 100%);
  pointer-events: none;
}

.scenario-num{
  display: block;
  margin-bottom: 1rem;
  font: 900 2.2rem/1 var(--font-heading);
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.scenario-card h3{
  margin: 0 0 .6rem;
  font: 900 1.2rem/1.3 var(--font-heading);
}

.scenario-card p{
  margin: 0;
  font-family: var(--font-body);
  font-size: .95rem;
  line-height: 1.8;
  color: var(--color-muted);
}

.scenario-visual{
  min-width: 0;
}

.scenario-figure{
  margin: 0;
}

.scenario-figure img{
  display: block;
  width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 22px 100%, 0 calc(100% - 22px));
}

.scenario-figure figcaption{
  padding: .6rem .2rem 0;
  font-family: var(--font-body);
  font-size: .85rem;
  color: var(--color-muted);
}

.scenario-tip{
  min-width: 0;
  padding: clamp(1.25rem, 3vw, 1.75rem);
  background: rgba(34,211,238,.07);
  border: 1px dashed rgba(34,211,238,.35);
  border-left: 4px solid var(--color-primary);
}

.sol-tip-title{
  margin: 0 0 .5rem;
  font: 900 1rem/1.3 var(--font-heading);
  color: var(--color-primary);
}

.scenario-tip p:not(.sol-tip-title){
  margin: 0 0 1rem;
  font-family: var(--font-body);
  font-size: .95rem;
  line-height: 1.8;
  color: var(--color-muted);
}

/* ===== CTA ===== */
.sol-cta{
  position: relative;
  overflow: hidden;
  padding: clamp(2.5rem, 6vw, 4rem) 0;
  background: linear-gradient(120deg, var(--color-primary), var(--color-secondary));
}

.sol-cta::before{
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: var(--gradient-hot);
}

.sol-cta-inner{
  display: grid;
  gap: 1.5rem;
  position: relative;
}

.sol-cta .section-kicker{
  margin: 0 0 .5rem;
  font: 900 .85rem/1.3 var(--font-heading);
  letter-spacing: .3em;
  color: #0F1A2C;
}

.sol-cta h2{
  max-width: 18ch;
  margin: 0 0 .75rem;
  font: 900 clamp(1.6rem, 3.6vw, 2.4rem)/1.25 var(--font-heading);
  color: #0F1A2C;
}

.sol-cta-copy p:last-child{
  max-width: 48ch;
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(15,26,44,.78);
}

.sol-cta-actions{
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  align-items: center;
}

.sol-cta .btn-primary{
  border: 1px solid #0F1A2C;
  background: #0F1A2C;
  color: var(--color-text);
}

.sol-cta .btn-ghost{
  border-color: rgba(15,26,44,.5);
  color: #0F1A2C;
}

/* ===== Responsive ===== */
@media (min-width: 720px){
  .mod-panel-grid{
    grid-template-columns: 1.05fr .95fr;
    align-items: center;
  }

  .sol-version-layout{
    display: grid;
    grid-template-columns: 1.2fr .8fr;
    gap: 2.5rem;
  }

  .version-aside{
    margin-top: 0;
  }

  .version-figure img{
    max-width: none;
  }

  .sol-cta-inner{
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}

@media (min-width: 960px){
  .sol-hero-grid{
    grid-template-columns: 1.15fr .85fr;
    gap: clamp(2.5rem, 5vw, 4rem);
    align-items: center;
  }

  .sol-hero-copy::after{
    display: block;
  }

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

  .tech-static{
    margin-top: 2rem;
  }

  .sol-scenario-grid{
    grid-template-columns: repeat(12, 1fr);
  }

  .scenario-card--commute{
    grid-column: span 5;
  }

  .scenario-card--research{
    grid-column: span 7;
  }

  .scenario-visual{
    grid-column: span 7;
  }

  .scenario-card--switch{
    grid-column: span 5;
  }

  .scenario-card--focus{
    grid-column: span 6;
  }

  .scenario-tip{
    grid-column: span 6;
  }
}