/* ===== 平台服务页专属样式 ===== */
.page-products{
  --pp-bg: #0D1B2A;
  --pp-card: #1B263B;
  --pp-card-soft: #132238;
  --pp-accent: #00E5A0;
  --pp-accent-light: #99FFE3;
  --pp-cta: #FF6B35;
  --pp-line: rgba(0, 229, 160, 0.18);
  --pp-text: rgba(245, 247, 250, 0.78);
  --pp-dim: rgba(245, 247, 250, 0.55);
  --pp-data: 'Roboto Mono', 'SFMono-Regular', Consolas, monospace;
  background: var(--pp-bg);
  color: var(--text-main);
  font-family: var(--font-body);
  overflow-x: hidden;
}

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

/* ---------- 顶部条 ---------- */
.prod-topbar{
  border-bottom: 1px solid var(--pp-line);
  background: rgba(13, 27, 42, 0.72);
  backdrop-filter: blur(10px);
}

.prod-tb-wrap{
  max-width: 1280px;
  margin: 0 auto;
  padding: 14px 20px;
  display: grid;
  gap: 10px;
}

.prod-tb-wrap .breadcrumb{
  font-size: 13px;
  color: var(--pp-dim);
}

.prod-tb-wrap .breadcrumb a{
  color: var(--pp-accent);
  text-decoration: none;
}

.prod-tb-wrap .breadcrumb a:hover{
  color: var(--pp-accent-light);
}

.prod-tb-wrap .breadcrumb-sep{
  margin: 0 6px;
  color: var(--pp-dim);
  opacity: 0.7;
}

.prod-jump{
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  font-size: 13px;
}

.prod-jump a{
  color: var(--pp-text);
  text-decoration: none;
  position: relative;
  transition: color 0.2s var(--ease);
}

.prod-jump a::before{
  content: "";
  display: inline-block;
  width: 4px;
  height: 4px;
  margin-right: 7px;
  background: var(--pp-accent);
  vertical-align: middle;
  transform: rotate(45deg);
}

.prod-jump a:hover{
  color: var(--pp-accent);
}

/* ---------- 下载通道 ---------- */
.prod-download{
  position: relative;
  background:
    radial-gradient(ellipse at 82% 18%, rgba(0, 229, 160, 0.14), transparent 58%),
    linear-gradient(140deg, #0D1B2A 0%, #1B263B 78%, #132238 100%);
  overflow: hidden;
}

.prod-download::before{
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(135deg, transparent 0 72%, rgba(0, 229, 160, 0.05) 72% 73%, transparent 73% 100%),
    linear-gradient(45deg, transparent 0 82%, rgba(255, 107, 53, 0.04) 82% 83%, transparent 83% 100%);
  background-size: 120px 120px, 160px 160px;
}

.prod-dl-wrap{
  position: relative;
  max-width: 1280px;
  margin: 0 auto;
  padding: 56px 20px 68px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
}

.prod-dl-title{
  margin: 10px 0 16px;
  font-family: var(--font-headline);
  font-size: clamp(34px, 6.4vw, 58px);
  line-height: 1.05;
  font-weight: 900;
  font-style: italic;
  letter-spacing: -0.02em;
  max-width: 8em;
}

.prod-dl-lead{
  font-size: 16px;
  line-height: 1.8;
  color: var(--pp-text);
  max-width: 34em;
}

.prod-dl-badges{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0 24px;
}

.prod-badge{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--pp-accent-light);
  background: rgba(0, 229, 160, 0.1);
  border: 1px solid var(--pp-line);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
}

.prod-badge::before{
  content: "";
  width: 6px;
  height: 6px;
  background: var(--pp-accent);
  transform: rotate(45deg);
  flex: none;
}

.prod-dl-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 18px;
}

.prod-dl-note{
  font-size: 14px;
  line-height: 1.7;
  color: var(--pp-dim);
  max-width: 32em;
  border-left: 3px solid var(--pp-accent);
  padding-left: 14px;
}

.prod-dl-visual{
  margin: 0;
  position: relative;
  clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 28px 100%, 0 calc(100% - 28px));
  background: var(--pp-card);
  padding: 10px;
}

.prod-dl-visual::after{
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  height: 4px;
  background: linear-gradient(90deg, var(--pp-accent), transparent 70%);
}

.prod-dl-visual img{
  display: block;
  width: 100%;
  aspect-ratio: 2 / 3;
  object-fit: cover;
}

/* ---------- 版本更新 ---------- */
.prod-update{
  background: linear-gradient(180deg, #0B1626 0%, #0D1B2A 100%);
}

.prod-up-wrap{
  max-width: 1280px;
  margin: 0 auto;
  padding: 64px 20px;
}

.prod-up-head{
  margin-bottom: 36px;
}

.prod-up-title,
.prod-ft-title,
.prod-sp-title,
.prod-rv-title,
.prod-fq-title{
  margin: 12px 0 10px;
  font-family: var(--font-headline);
  font-size: clamp(28px, 4.6vw, 42px);
  line-height: 1.15;
  font-weight: 900;
  font-style: italic;
  letter-spacing: -0.02em;
}

.prod-up-sub,
.prod-ft-desc,
.prod-sp-desc,
.prod-rv-desc{
  font-size: 15px;
  line-height: 1.75;
  color: var(--pp-text);
  max-width: 38em;
}

.prod-up-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-bottom: 36px;
}

.prod-up-stat{
  position: relative;
  padding: 28px 22px;
  background: var(--pp-card);
  border: 1px solid var(--pp-line);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
}

.prod-up-num{
  display: block;
  font-family: var(--pp-data);
  font-size: clamp(68px, 10vw, 108px);
  font-weight: 700;
  line-height: 1;
  color: var(--pp-accent);
  text-shadow: 0 0 42px rgba(0, 229, 160, 0.35);
}

.prod-up-stat-label{
  display: inline-block;
  margin-top: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--pp-accent-light);
  letter-spacing: 0.08em;
}

.prod-up-stat-desc{
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--pp-dim);
}

.prod-up-list{
  display: grid;
  gap: 18px;
}

.prod-up-item{
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(245, 247, 250, 0.08);
}

.prod-up-item:last-child{
  border-bottom: 0;
  padding-bottom: 0;
}

.prod-up-index{
  font-family: var(--pp-data);
  font-size: 15px;
  font-weight: 700;
  color: var(--pp-accent);
  position: relative;
  padding-top: 4px;
}

.prod-up-index::after{
  content: "";
  display: block;
  width: 22px;
  height: 2px;
  margin-top: 6px;
  background: linear-gradient(90deg, var(--pp-cta), transparent);
}

.prod-up-body h3{
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 800;
}

.prod-up-body p{
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--pp-text);
}

.prod-up-figure{
  margin: 0;
}

.prod-up-figure img{
  display: block;
  width: 100%;
  aspect-ratio: 12 / 7;
  object-fit: cover;
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

/* ---------- 核心功能矩阵 ---------- */
.prod-features{
  background: linear-gradient(180deg, #0D1B2A 0%, #101B2D 48%, #0D1B2A 100%);
}

.prod-ft-wrap{
  max-width: 1280px;
  margin: 0 auto;
  padding: 64px 20px;
}

.prod-ft-head{
  margin-bottom: 28px;
}

.prod-ft-banner{
  margin: 0 0 34px;
}

.prod-ft-banner img{
  display: block;
  width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 28px 100%, 0 calc(100% - 28px));
}

.prod-ft-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.prod-feature-card{
  position: relative;
  background: var(--pp-card);
  border: 1px solid rgba(245, 247, 250, 0.08);
  padding: 22px 20px 20px;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.prod-feature-card::before{
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 24px;
  height: 24px;
  background: linear-gradient(135deg, var(--pp-accent) 50%, transparent 50%);
}

.prod-feature-card:hover{
  transform: translateY(-4px);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.3);
}

.prod-feature-head{
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.prod-feature-num{
  font-family: var(--pp-data);
  font-size: 13px;
  font-weight: 700;
  color: var(--pp-accent);
}

.prod-feature-head h3{
  margin: 0;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.3;
}

.prod-feature-desc{
  margin: 10px 0 12px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--pp-text);
}

.prod-feature-shot{
  margin: 12px 0 0;
  display: block;
  overflow: hidden;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}

.prod-feature-shot img{
  display: block;
  width: 100%;
  height: 190px;
  object-fit: cover;
  object-position: top center;
}

.prod-feature-detail{
  margin-top: 12px;
  border-top: 1px dashed var(--pp-line);
  padding-top: 10px;
}

.prod-feature-detail summary{
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-left: 22px;
  font-size: 13px;
  font-weight: 700;
  color: var(--pp-accent);
}

.prod-feature-detail summary::-webkit-details-marker{
  display: none;
}

.prod-feature-detail summary::before{
  content: "+";
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--pp-data);
  font-size: 15px;
  color: var(--pp-accent);
}

.prod-feature-detail[open] summary::before{
  content: "−";
}

.prod-feature-detail p{
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--pp-dim);
}

/* ---------- 技术规格 ---------- */
.prod-specs{
  background: #0B1626;
}

.prod-sp-wrap{
  max-width: 1080px;
  margin: 0 auto;
  padding: 64px 20px;
}

.prod-sp-head{
  margin-bottom: 34px;
}

.prod-sp-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.prod-sp-card{
  position: relative;
  padding: 30px 28px;
  background: var(--pp-card);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 22px 100%, 0 calc(100% - 22px));
  border: 1px solid rgba(245, 247, 250, 0.08);
}

.prod-sp-card::before{
  content: "";
  position: absolute;
  left: 0;
  top: 28px;
  bottom: 28px;
  width: 4px;
  background: linear-gradient(180deg, var(--pp-accent), transparent);
}

.prod-sp-card h3{
  margin: 0 0 18px;
  font-size: 22px;
  font-weight: 900;
  font-style: italic;
  color: var(--pp-accent-light);
}

.prod-sp-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.prod-sp-list li{
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(245, 247, 250, 0.08);
  font-size: 14px;
}

.prod-sp-list li:last-child{
  border-bottom: 0;
  padding-bottom: 0;
}

.prod-sp-list span{
  color: var(--pp-dim);
}

.prod-sp-list strong{
  color: var(--text-main);
  font-weight: 700;
}

/* ---------- 用户反馈 ---------- */
.prod-reviews{
  background:
    radial-gradient(ellipse at 10% 30%, rgba(0, 229, 160, 0.09), transparent 52%),
    linear-gradient(160deg, #0D1B2A 0%, #132238 100%);
}

.prod-rv-wrap{
  max-width: 1280px;
  margin: 0 auto;
  padding: 64px 20px;
}

.prod-rv-head{
  margin-bottom: 34px;
}

.prod-rv-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.prod-review-card{
  position: relative;
  padding: 26px 22px 22px;
  background: rgba(27, 38, 59, 0.92);
  border-left: 3px solid var(--pp-accent);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
}

.prod-review-stars{
  color: var(--pp-cta);
  font-size: 17px;
  letter-spacing: 3px;
}

.prod-review-text{
  margin: 10px 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--pp-text);
}

.prod-review-tag{
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  color: var(--pp-accent);
}

.prod-rv-metrics{
  margin-top: 38px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.prod-metric{
  text-align: center;
  padding: 22px 10px;
  background: var(--pp-card);
  border: 1px solid var(--pp-line);
}

.prod-metric-num{
  display: block;
  font-family: var(--pp-data);
  font-size: 34px;
  font-weight: 700;
  color: var(--pp-accent);
  line-height: 1.1;
}

.prod-metric-label{
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--pp-dim);
}

/* ---------- 常见问题 ---------- */
.prod-faq{
  background: #0D1B2A;
}

.prod-fq-wrap{
  max-width: 900px;
  margin: 0 auto;
  padding: 64px 20px;
}

.prod-fq-head{
  margin-bottom: 30px;
}

.prod-fq-list{
  display: grid;
  gap: 12px;
  margin-bottom: 30px;
}

.prod-faq-item{
  background: var(--pp-card);
  border-left: 3px solid var(--pp-cta);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  padding: 4px 18px;
  transition: background 0.25s var(--ease);
}

.prod-faq-item[open]{
  background: #16253D;
}

.prod-faq-item summary{
  cursor: pointer;
  list-style: none;
  position: relative;
  padding: 15px 0 15px 28px;
  font-size: 15px;
  font-weight: 800;
  color: var(--text-main);
}

.prod-faq-item summary::-webkit-details-marker{
  display: none;
}

.prod-faq-item summary::before{
  content: "+";
  position: absolute;
  left: 0;
  top: 15px;
  font-family: var(--pp-data);
  font-size: 18px;
  font-weight: 700;
  color: var(--pp-cta);
}

.prod-faq-item[open] summary::before{
  content: "−";
}

.prod-faq-item p{
  margin: 0 0 16px;
  padding-left: 28px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--pp-text);
}

.prod-fq-foot{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
}

.prod-fq-link{
  font-size: 14px;
  color: var(--pp-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease);
}

.prod-fq-link:hover{
  border-bottom-color: var(--pp-accent);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 768px){
  .prod-tb-wrap{
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  .prod-jump{
    gap: 6px 18px;
  }

  .prod-dl-wrap{
    grid-template-columns: 1fr 340px;
    gap: 52px;
    padding: 72px 28px 84px;
    align-items: center;
  }

  .prod-dl-visual{
    padding: 12px;
  }

  .prod-up-wrap{
    padding: 84px 28px;
  }

  .prod-up-grid{
    grid-template-columns: minmax(240px, 0.85fr) 1.4fr;
    gap: 44px;
    align-items: start;
  }

  .prod-up-stat{
    position: sticky;
    top: 90px;
  }

  .prod-ft-wrap{
    padding: 84px 28px;
  }

  .prod-ft-grid{
    grid-template-columns: repeat(6, 1fr);
  }

  .prod-feature-card{
    grid-column: span 2;
  }

  .prod-feature-card-lang,
  .prod-feature-card-team{
    grid-column: span 3;
  }

  .prod-feature-card-lib{
    grid-column: span 6;
  }

  .prod-feature-card-lib{
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 10px 24px;
  }

  .prod-feature-card-lib .prod-feature-desc{
    margin-bottom: 0;
  }

  .prod-feature-card-lib .prod-feature-detail{
    grid-column: 1 / -1;
  }

  .prod-sp-wrap{
    padding: 84px 28px;
  }

  .prod-sp-grid{
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }

  .prod-sp-card{
    padding: 38px 34px;
  }

  .prod-rv-wrap{
    padding: 84px 28px;
  }

  .prod-rv-grid{
    grid-template-columns: 1fr 1fr 1fr;
    gap: 22px;
  }

  .prod-rv-metrics{
    grid-template-columns: repeat(3, 1fr);
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
  }

  .prod-metric-num{
    font-size: 44px;
  }

  .prod-fq-wrap{
    padding: 84px 28px;
  }
}

/* ---------- 桌面增强 ---------- */
@media (min-width: 1080px){
  .prod-dl-wrap{
    grid-template-columns: minmax(0, 1fr) 390px;
  }

  .prod-up-grid{
    margin-bottom: 48px;
  }

  .prod-ft-head{
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 32px;
    align-items: end;
  }

  .prod-ft-desc{
    margin-bottom: 6px;
  }

  .prod-ft-banner{
    margin-bottom: 42px;
  }

  .prod-feature-card{
    padding: 26px 22px 22px;
  }

  .prod-feature-shot img{
    height: 220px;
  }

  .prod-sp-head{
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 32px;
    align-items: end;
  }
}