/* ========== 产品与下载页面专属样式 ========== */
.page-products {
  --prod-blue: var(--blue-deep);
  --prod-dark: var(--blue-dark);
  --prod-sky: var(--blue-sky);
  --prod-orange: var(--orange);
  --prod-gray: var(--gray-light);
  --prod-ink: var(--ink);
  --prod-white: var(--white);
  --prod-chili: var(--chili);
  --prod-shadow: var(--shadow);
  --prod-shadow-sm: var(--shadow-sm);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  position: relative;
  background: var(--prod-blue);
  color: var(--prod-white);
  padding: 48px 0 64px;
  overflow: hidden;
}
.page-products .prod-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}
.page-products .prod-hero::after {
  content: "";
  position: absolute;
  right: -72px;
  bottom: -72px;
  width: 200px;
  height: 200px;
  border: 4px solid var(--prod-orange);
  border-radius: 50%;
  opacity: 0.28;
  pointer-events: none;
}
.page-products .prod-hero-grid {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.page-products .prod-hero-copy {
  max-width: 640px;
}
.page-products .prod-kicker {
  margin: 0 0 14px;
  letter-spacing: 0.1em;
}
.page-products .prod-hero h1 {
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  line-height: 1.2;
  margin: 0 0 18px;
  font-weight: 900;
  letter-spacing: -0.02em;
}
.page-products .prod-hero-lead {
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.88);
  margin: 0 0 24px;
  max-width: 540px;
}
.page-products .prod-hero .breadcrumb {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.85rem;
}
.page-products .prod-hero .breadcrumb-item {
  color: inherit;
  text-decoration: none;
}
.page-products .prod-hero .breadcrumb-item:hover {
  color: var(--prod-orange);
}
.page-products .prod-hero-figure {
  margin: 0;
  border: 3px solid rgba(255, 255, 255, 0.32);
  padding: 6px;
  background: rgba(255, 255, 255, 0.08);
}
.page-products .prod-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-products .prod-hero-caption {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.6);
  padding-top: 8px;
}

/* ---------- 章节标题通用适配 ---------- */
.page-products .prod-head-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}
.page-products .section-head {
  margin-bottom: 36px;
}
.page-products .section-title {
  font-size: clamp(1.5rem, 3.6vw, 2.1rem);
  margin: 0 0 10px;
  font-weight: 900;
  letter-spacing: -0.02em;
}
.page-products .section-lead {
  color: #5a6b7a;
  font-size: 0.95rem;
  line-height: 1.7;
  margin: 0;
  max-width: 560px;
}
.page-products .section-index {
  color: var(--prod-orange);
}

/* ---------- 产品体系 ---------- */
.page-products .prod-system {
  background: var(--prod-white);
  padding: 72px 0 80px;
}
.page-products .prod-form-row {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 14px;
  scroll-snap-type: x mandatory;
  margin-bottom: 56px;
}
.page-products .prod-form-card {
  position: relative;
  flex: 0 0 84%;
  scroll-snap-align: start;
  background: var(--prod-white);
  border: 2px solid var(--prod-blue);
  box-shadow: var(--prod-shadow-sm);
  padding: 32px 24px 28px;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.page-products .prod-form-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(105deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transform: skewX(-20deg);
  transition: left 0.4s ease;
}
.page-products .prod-form-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--prod-shadow);
}
.page-products .prod-form-card:hover::before {
  left: 140%;
}
.page-products .prod-form-card h3 {
  font-size: 1.15rem;
  font-weight: 900;
  margin: 20px 0 10px;
  color: var(--prod-ink);
}
.page-products .prod-form-card p {
  font-size: 0.88rem;
  line-height: 1.75;
  color: #44525f;
  margin: 0 0 16px;
}
.page-products .prod-icon {
  position: relative;
  background: var(--prod-white);
  border: 3px solid var(--prod-blue);
  margin-bottom: 4px;
}
.page-products .prod-icon-browser {
  width: 76px;
  height: 62px;
  border-radius: 8px;
}
.page-products .prod-icon-browser::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 13px;
  background: var(--prod-blue);
  border-radius: 5px 5px 0 0;
}
.page-products .prod-icon-browser::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 6px;
  width: 7px;
  height: 7px;
  background: var(--prod-orange);
  border-radius: 50%;
}
.page-products .prod-icon-app {
  width: 48px;
  height: 74px;
  border-radius: 10px;
}
.page-products .prod-icon-app::before {
  content: "";
  position: absolute;
  top: 5px;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 3px;
  background: var(--prod-blue);
  border-radius: 2px;
}
.page-products .prod-icon-app::after {
  content: "";
  position: absolute;
  bottom: 5px;
  left: 50%;
  transform: translateX(-50%);
  width: 18px;
  height: 20px;
  border: 2px solid var(--prod-blue);
  border-radius: 4px;
}
.page-products .prod-icon-mini {
  width: 66px;
  height: 66px;
  border-radius: 50%;
}
.page-products .prod-icon-mini::before,
.page-products .prod-icon-mini::after {
  content: "";
  position: absolute;
  width: 22px;
  height: 22px;
}
.page-products .prod-icon-mini::before {
  top: 13px;
  left: 13px;
  border: 3px solid var(--prod-orange);
  border-radius: 5px;
}
.page-products .prod-icon-mini::after {
  bottom: 12px;
  right: 12px;
  background: var(--prod-blue);
  border-radius: 5px;
}

/* 网页端预览 */
.page-products .prod-web-preview {
  display: grid;
  gap: 32px;
  align-items: center;
}
.page-products .prod-web-preview .img-card {
  box-shadow: var(--prod-shadow);
}
.page-products .prod-preview-note h3 {
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--prod-ink);
  margin: 10px 0 12px;
}
.page-products .prod-preview-note p:not(.kicker) {
  font-size: 0.92rem;
  line-height: 1.8;
  color: #44525f;
  margin: 0 0 20px;
}

/* ---------- 核心功能（深色地带） ---------- */
.page-products .prod-features {
  background: var(--prod-dark);
  color: var(--prod-white);
  padding: 72px 0 80px;
}
.page-products .prod-features .section-title {
  color: var(--prod-white);
}
.page-products .prod-features .section-lead {
  color: rgba(255, 255, 255, 0.68);
}
.page-products .prod-features .section-index {
  color: var(--prod-orange);
}
.page-products .prod-feature-layout {
  display: grid;
  gap: 36px;
  align-items: center;
}
.page-products .prod-feature-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.page-products .prod-feature-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 22px 20px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.16);
  transition: background 0.2s ease, border-color 0.2s ease;
}
.page-products .prod-feature-item:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--prod-orange);
}
.page-products .prod-feature-num {
  color: var(--prod-orange);
  font-size: 0.85rem;
  font-weight: 700;
  line-height: 1.4;
  min-width: 32px;
}
.page-products .prod-feature-body h3 {
  font-size: 1.05rem;
  font-weight: 800;
  margin: 0 0 8px;
  color: var(--prod-white);
}
.page-products .prod-feature-body p {
  font-size: 0.87rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.74);
  margin: 0;
}
.page-products .prod-feature-figure {
  margin: 0;
  border: 3px solid var(--prod-orange);
  box-shadow: 8px 8px 0 rgba(255, 107, 53, 0.18);
}
.page-products .prod-feature-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 下载注册（中央悬浮面板） ---------- */
.page-products .prod-download {
  background: var(--prod-gray);
  padding: 72px 0 80px;
}
.page-products .prod-download-panel {
  position: relative;
  background: var(--prod-white);
  border: 4px solid var(--prod-blue);
  box-shadow: 12px 12px 0 rgba(10, 61, 110, 0.16);
  padding: 44px 24px 32px;
}
.page-products .prod-download-panel::before {
  content: "";
  position: absolute;
  top: 20px;
  left: -12px;
  width: 12px;
  height: 64px;
  background: var(--prod-orange);
}
.page-products .prod-download-head {
  text-align: center;
  margin-bottom: 40px;
}
.page-products .prod-download-head .prod-head-row {
  justify-content: center;
}
.page-products .prod-download-head .section-lead {
  margin: 0 auto;
}
.page-products .prod-download-main {
  display: grid;
  gap: 36px;
}
.page-products .prod-download-side h3 {
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--prod-ink);
  margin: 0 0 18px;
}
.page-products .prod-platform-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}
.page-products .prod-platform-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  font-size: 0.92rem;
  color: #33414f;
  border-bottom: 1px dashed #dfe7ef;
}
.page-products .prod-platform-dot {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: var(--prod-blue);
  display: inline-block;
  flex: none;
}
.page-products .prod-platform-list li:last-child .prod-platform-dot {
  background: var(--prod-orange);
}
.page-products .prod-download-note {
  font-size: 0.82rem;
  color: #6b7c8a;
  line-height: 1.7;
  margin: 0 0 12px;
  padding: 12px 14px;
  background: var(--prod-sky);
  border-left: 3px solid var(--prod-blue);
}
.page-products .prod-download-trust {
  font-size: 0.84rem;
  color: #5a6b7a;
  line-height: 1.7;
  margin: 0;
}
.page-products .prod-download-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 28px 16px;
  background: var(--prod-gray);
  border: 2px dashed #b9c8d8;
}
.page-products .prod-qr-placeholder {
  position: relative;
  width: 132px;
  height: 132px;
  border: 2px solid var(--prod-blue);
  background-color: var(--prod-white);
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 6px, var(--prod-sky) 6px, var(--prod-sky) 7px),
    repeating-linear-gradient(90deg, transparent, transparent 6px, var(--prod-sky) 6px, var(--prod-sky) 7px);
}
.page-products .prod-qr-placeholder::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 10px;
  width: 34px;
  height: 34px;
  border: 4px solid var(--prod-blue);
  background: var(--prod-white);
}
.page-products .prod-qr-placeholder::after {
  content: "";
  position: absolute;
  bottom: 10px;
  right: 10px;
  width: 26px;
  height: 26px;
  border: 4px solid var(--prod-orange);
  background: var(--prod-white);
}
.page-products .prod-qr-caption {
  font-size: 0.85rem;
  color: #5a6b7a;
  margin: 0;
  letter-spacing: 0.02em;
}
.page-products .prod-download-center .btn-primary {
  min-width: 180px;
  justify-content: center;
}
.page-products .prod-sync-figure {
  margin: 36px 0 0;
  border: 2px solid var(--prod-blue);
  background: var(--prod-sky);
}
.page-products .prod-sync-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 版本信息（时间轴） ---------- */
.page-products .prod-versions {
  background: var(--prod-sky);
  padding: 72px 0 80px;
}
.page-products .prod-version-layout {
  display: grid;
  gap: 32px;
  align-items: center;
}
.page-products .prod-version-timeline {
  position: relative;
  padding-left: 26px;
}
.page-products .prod-version-timeline::before {
  content: "";
  position: absolute;
  top: 12px;
  left: 6px;
  width: 2px;
  height: calc(100% - 24px);
  background: var(--prod-orange);
}
.page-products .prod-version-card {
  position: relative;
  background: var(--prod-white);
  border: 2px solid var(--prod-blue);
  box-shadow: var(--prod-shadow-sm);
  padding: 24px 22px;
  margin-bottom: 20px;
}
.page-products .prod-version-card::before {
  content: "";
  position: absolute;
  top: 28px;
  left: -30px;
  width: 12px;
  height: 12px;
  background: var(--prod-orange);
  border: 2px solid var(--prod-white);
  border-radius: 50%;
}
.page-products .prod-version-card h3 {
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--prod-ink);
  margin: 12px 0 12px;
}
.page-products .prod-version-badge {
  display: inline-block;
  background: var(--prod-orange);
  color: var(--prod-white);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 4px 12px;
  text-transform: uppercase;
}
.page-products .prod-version-badge.prod-version-past {
  background: var(--prod-blue);
}
.page-products .prod-version-points {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-products .prod-version-points li {
  position: relative;
  padding: 7px 0 7px 22px;
  font-size: 0.88rem;
  line-height: 1.65;
  color: #3d4b58;
}
.page-products .prod-version-points li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 16px;
  width: 7px;
  height: 7px;
  background: var(--prod-orange);
  border-radius: 1px;
  transform: rotate(45deg);
}
.page-products .prod-version-more p {
  font-size: 0.88rem;
  color: #5a6b7a;
  line-height: 1.7;
  margin: 0 0 16px;
}
.page-products .prod-version-figure {
  margin: 0;
  border: 3px solid var(--prod-blue);
  box-shadow: var(--prod-shadow);
  background: var(--prod-white);
}
.page-products .prod-version-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 相关内链 ---------- */
.page-products .prod-related {
  background: var(--prod-white);
  padding: 56px 0 64px;
}
.page-products .prod-related-grid {
  display: grid;
  gap: 16px;
}
.page-products .prod-related-card {
  display: block;
  background: var(--prod-gray);
  border: 2px solid transparent;
  border-left: 4px solid var(--prod-blue);
  padding: 24px 22px;
  text-decoration: none;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}
.page-products .prod-related-card:hover {
  background: var(--prod-white);
  border-color: var(--prod-blue);
  transform: translateX(4px);
}
.page-products .prod-related-index {
  display: block;
  font-size: 0.75rem;
  color: var(--prod-orange);
  margin-bottom: 8px;
  font-weight: 700;
}
.page-products .prod-related-card h3 {
  font-size: 1.05rem;
  font-weight: 900;
  color: var(--prod-ink);
  margin: 0 0 6px;
}
.page-products .prod-related-card p {
  font-size: 0.85rem;
  color: #5a6b7a;
  line-height: 1.6;
  margin: 0;
}

/* ---------- 媒体查询：平板及以上 ---------- */
@media (min-width: 768px) {
  .page-products .prod-hero {
    padding: 64px 0 88px;
  }
  .page-products .prod-hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
    gap: 48px;
  }
  .page-products .prod-hero-figure {
    margin: 0;
  }
  .page-products .prod-hero-caption {
    text-align: right;
  }

  .page-products .prod-form-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--gap);
    overflow: visible;
    padding-bottom: 0;
    scroll-snap-type: none;
  }
  .page-products .prod-form-card {
    flex: 1;
  }

  .page-products .prod-web-preview {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
  }

  .page-products .prod-feature-layout {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 56px;
  }

  .page-products .prod-download-panel {
    padding: 56px 40px 40px;
  }
  .page-products .prod-download-main {
    grid-template-columns: 1fr 0.8fr;
    gap: 48px;
    align-items: center;
  }
  .page-products .prod-download-center {
    padding: 32px 24px;
  }

  .page-products .prod-version-layout {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 48px;
  }

  .page-products .prod-related-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--gap);
  }
}

/* ---------- 媒体查询：桌面大屏 ---------- */
@media (min-width: 1200px) {
  .page-products .prod-hero {
    padding: 72px 0 96px;
  }
  .page-products .prod-hero-grid {
    gap: 72px;
  }
  .page-products .prod-download-panel {
    margin: 0 24px;
  }
  .page-products .prod-feature-item {
    padding: 26px 28px;
  }
  .page-products .prod-version-card {
    padding: 28px 28px;
  }
}