.page-products{
  --neon-soft: rgba(180, 255, 58, .3);
  --cyber-soft: rgba(0, 229, 255, .22);
  --space-page: 72px;
  background: var(--paper);
  color: var(--ink);
}

.page-products .breadcrumbs{
  box-sizing: border-box;
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px var(--page-gutter);
}

.page-products h2{
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(24px, 4vw, 38px);
  line-height: 1.2;
  margin: 12px 0 16px;
  letter-spacing: -.01em;
}

.page-products h3{
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.4;
  margin: 0 0 10px;
}

.page-products p{
  line-height: 1.7;
}

/* Hero */
.page-products .products-hero{
  background: var(--ink);
  color: var(--paper);
  margin: 0 var(--page-gutter);
  border-radius: var(--radius-lg);
  padding: 48px 28px 56px;
  position: relative;
  overflow: hidden;
}

.page-products .products-hero::before{
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle at top right, rgba(0, 229, 255, .18), transparent 62%);
  pointer-events: none;
}

.page-products .products-hero__main{
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  gap: 40px;
}

@media (min-width: 960px){
  .page-products .products-hero__main{
    grid-template-columns: 1.05fr .95fr;
    align-items: center;
    gap: 48px;
  }
}

.page-products .products-hero__kicker{
  display: inline-block;
  background: var(--neon);
  color: var(--ink);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.page-products .products-hero h1{
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(32px, 6vw, 58px);
  line-height: 1.1;
  margin: 0 0 20px;
  letter-spacing: -.01em;
}

.page-products .products-hero .lead{
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.9;
  color: rgba(244, 233, 216, .84);
  max-width: 560px;
  margin-bottom: 32px;
}

.page-products .products-hero__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.page-products .products-hero__board{
  position: relative;
  border: 1px solid rgba(0, 229, 255, .32);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(0, 229, 255, .07) 25%, transparent 25%),
    linear-gradient(225deg, rgba(180, 255, 58, .07) 25%, transparent 25%);
  background-size: 40px 40px;
  padding: 28px 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
}

.page-products .products-hero__board-svg{
  width: min(270px, 82%);
  height: auto;
}

.page-products .products-hero__board .note-vertical{
  position: absolute;
  right: 14px;
  top: 14px;
  margin: 0;
  writing-mode: vertical-rl;
  font-size: 12px;
  letter-spacing: .25em;
  color: var(--neon);
}

.page-products .products-hero__board-foot{
  position: absolute;
  left: 14px;
  bottom: 12px;
  margin: 0;
  font-size: 10px;
  letter-spacing: .08em;
  color: rgba(244, 233, 216, .58);
}

/* 下载渠道 */
.page-products .products-channel{
  padding: var(--space-page) 0;
}

.page-products .products-channel__wrap{
  box-sizing: border-box;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--page-gutter);
  display: grid;
  gap: 44px;
}

@media (min-width: 880px){
  .page-products .products-channel__wrap{
    grid-template-columns: 1.05fr .95fr;
    align-items: center;
    gap: 60px;
  }
}

.page-products .products-channel__copy p{
  font-family: var(--font-body);
  color: var(--ink-soft);
  margin-bottom: 18px;
  max-width: 560px;
}

.page-products .products-channel__hint{
  font-size: 13px;
  border-left: 3px solid var(--cyber);
  padding-left: 12px;
  margin-top: 24px;
}

.page-products .products-channel__actions{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 28px;
}

.page-products .products-channel__ver{
  font-size: 12px;
  color: var(--ink-soft);
  letter-spacing: .06em;
}

.page-products .products-channel__media{
  position: relative;
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
}

.page-products .products-channel__media img{
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius-lg) + 6px);
  box-shadow: var(--shadow-card);
}

.page-products .products-channel__qr{
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--paper-light);
  border: 1px solid rgba(0, 229, 255, .45);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  box-shadow: var(--shadow-card);
}

.page-products .products-channel__qr svg{
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
  border-radius: 6px;
}

.page-products .products-channel__qr-label{
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--ink);
  line-height: 1.4;
}

.page-products .products-channel__qr-label .mono{
  display: block;
  font-size: 11px;
  color: var(--cyber);
  letter-spacing: .12em;
  margin-bottom: 2px;
}

/* 设备适配清单 */
.page-products .products-devices{
  background: var(--paper-warm);
  padding: var(--space-page) 0 calc(var(--space-page) - 24px);
}

.page-products .products-devices__head{
  box-sizing: border-box;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--page-gutter) 32px;
}

.page-products .products-devices__head p{
  font-family: var(--font-body);
  color: var(--ink-soft);
  max-width: 640px;
}

.page-products .products-devices__banner{
  box-sizing: border-box;
  max-width: 1200px;
  margin: 0 auto 40px;
  padding: 0 var(--page-gutter);
}

.page-products .products-devices__banner img{
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.page-products .products-devices__groups{
  box-sizing: border-box;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--page-gutter);
  display: grid;
  gap: 22px;
}

@media (min-width: 700px){
  .page-products .products-devices__groups{
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1080px){
  .page-products .products-devices__groups{
    grid-template-columns: repeat(3, 1fr);
  }
}

.page-products .products-devices__group{
  background: var(--paper-light);
  border: 1px solid rgba(58, 58, 58, .12);
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: var(--shadow-card);
}

.page-products .products-devices__group h3{
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 17px;
  margin: 0 0 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--gray-line);
}

.page-products .products-devices__group h3 .mono{
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--ink-soft);
}

.page-products .products-devices__list{
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-products .products-device{
  border: 1px solid rgba(58, 58, 58, .28);
  border-radius: var(--radius-pill);
  background: var(--paper);
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease), border-radius .25s var(--ease);
}

.page-products .products-device[open]{
  border-color: var(--cyber);
  border-radius: var(--radius-md);
  box-shadow: 0 4px 14px var(--cyber-soft);
}

.page-products .products-device summary{
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  font-family: var(--font-head);
  font-size: 14px;
}

.page-products .products-device summary::-webkit-details-marker{
  display: none;
}

.page-products .products-device summary::after{
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--cyber);
  margin-left: auto;
  transition: transform .2s var(--ease);
}

.page-products .products-device[open] summary::after{
  content: "–";
}

.page-products .products-device__name{
  flex: 1;
  font-weight: 700;
}

.page-products .products-device__icon{
  width: 32px;
  height: 32px;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--ink);
  color: var(--neon);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .02em;
  text-transform: uppercase;
}

.page-products .products-device__sys{
  font-size: 11px;
  color: var(--ink-soft);
  background: var(--paper-warm);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.page-products .products-device__detail{
  padding: 2px 16px 14px 60px;
}

.page-products .products-device__detail p{
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--ink-soft);
  margin: 0;
}

.page-products .products-devices__note{
  box-sizing: border-box;
  max-width: 1200px;
  margin: 32px auto 0;
  padding: 0 var(--page-gutter);
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.6;
}

@media (min-width: 700px){
  .page-products .products-devices__note{
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.page-products .products-devices__note p{
  margin: 0;
}

.page-products .products-devices__note a{
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--ink);
  text-decoration-color: var(--neon);
  text-decoration-thickness: 2px;
  text-underline-offset: 6px;
}

/* 版本更新说明 */
.page-products .products-version{
  padding: var(--space-page) var(--page-gutter);
}

.page-products .products-version__inner{
  max-width: 1100px;
  margin: 0 auto;
}

.page-products .products-version__head{
  margin-bottom: 32px;
}

.page-products .products-version__head p{
  font-family: var(--font-body);
  color: var(--ink-soft);
  max-width: 640px;
}

.page-products .products-version__layout{
  display: grid;
  gap: 32px;
}

.page-products .products-version__image img{
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
}

@media (min-width: 880px){
  .page-products .products-version__layout{
    grid-template-columns: .9fr 1.1fr;
    align-items: start;
    gap: 48px;
  }
  .page-products .products-version__image{
    position: sticky;
    top: 100px;
  }
}

.page-products .products-version__list{
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-products .products-version__item{
  background: var(--paper-light);
  border: 1px solid rgba(58, 58, 58, .22);
  border-radius: var(--radius-md);
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}

.page-products .products-version__item[open]{
  border-color: var(--neon);
  box-shadow: 0 4px 14px var(--neon-soft);
}

.page-products .products-version__item summary{
  list-style: none;
  cursor: pointer;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
}

.page-products .products-version__item summary::-webkit-details-marker{
  display: none;
}

.page-products .products-version__item summary::after{
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--cyber);
  margin-left: auto;
}

.page-products .products-version__item[open] summary::after{
  content: "–";
}

.page-products .products-version__ver{
  font-size: 12px;
  background: var(--ink);
  color: var(--neon);
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  letter-spacing: .04em;
}

.page-products .products-version__title{
  flex: 1 1 140px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15px;
  color: var(--ink);
}

.page-products .products-version__item > p{
  margin: 0;
  padding: 2px 18px 18px 88px;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* 安装指南 */
.page-products .products-install{
  background: var(--ink);
  color: var(--paper);
  padding: var(--space-page) var(--page-gutter);
}

.page-products .products-install__wrap{
  box-sizing: border-box;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  gap: 40px;
}

@media (min-width: 900px){
  .page-products .products-install__wrap{
    grid-template-columns: 1.1fr .9fr;
    align-items: center;
    gap: 60px;
  }
}

.page-products .products-install__steps h2{
  color: var(--paper);
  margin-bottom: 32px;
}

.page-products .products-install__list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-products .products-install__list li{
  display: flex;
  gap: 16px;
  padding: 20px;
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(244, 233, 216, .14);
  border-radius: var(--radius-md);
}

.page-products .products-install__list li .mono{
  flex: 0 0 46px;
  font-size: 22px;
  font-weight: 700;
  color: var(--cyber);
  line-height: 1.3;
}

.page-products .products-install__list h3{
  color: var(--paper);
  margin: 0 0 6px;
  font-size: 16px;
}

.page-products .products-install__list p{
  color: rgba(244, 233, 216, .74);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.65;
  margin: 0;
}

.page-products .products-install__list a{
  color: var(--neon);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.page-products .products-install__image img{
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 32px rgba(0, 0, 0, .3);
}

.page-products .products-install__more{
  box-sizing: border-box;
  max-width: 1200px;
  margin: 44px auto 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  padding-top: 22px;
  border-top: 1px solid rgba(244, 233, 216, .2);
}

.page-products .products-install__more p{
  flex: 1 1 320px;
  margin: 0;
  font-family: var(--font-body);
  color: rgba(244, 233, 216, .74);
  line-height: 1.65;
  font-size: 14px;
}

.page-products .products-install__more a{
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--paper);
  text-decoration-color: var(--neon);
  text-decoration-thickness: 2px;
  text-underline-offset: 6px;
  font-size: 14px;
}

/* 问题反馈 */
.page-products .products-feedback{
  padding: var(--space-page) var(--page-gutter);
}

.page-products .products-feedback__card{
  box-sizing: border-box;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  gap: 36px;
  background: var(--paper-light);
  border: 1px solid rgba(0, 229, 255, .3);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-card);
}

@media (min-width: 880px){
  .page-products .products-feedback__card{
    grid-template-columns: 1.15fr .85fr;
    align-items: center;
    gap: 48px;
    padding: 36px 40px;
  }
}

.page-products .products-feedback__copy p{
  font-family: var(--font-body);
  color: var(--ink-soft);
  line-height: 1.7;
  max-width: 560px;
}

.page-products .products-feedback__copy ul{
  list-style: none;
  margin: 22px 0 28px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-products .products-feedback__copy ul li{
  position: relative;
  padding-left: 26px;
  font-family: var(--font-body);
  color: var(--ink-soft);
  line-height: 1.6;
}

.page-products .products-feedback__copy ul li::before{
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 0 4px rgba(180, 255, 58, .18);
}

.page-products .products-feedback__image img{
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}