/* =============================================
   page-products 专属样式
   作用域：.page-products
   移动端优先
   ============================================= */
.page-products {
  --card-bg: #FFF5E0;
  --card-border: #3C2415;
  --card-shadow: 0 6px 24px rgba(0,0,0,0.08);
  --radius-card: 12px;
  --gap-grid: 24px;
  --hero-min-height: 420px;
  font-family: Georgia, 'Times New Roman', serif;
  color: var(--color-dark-brown, #3C2415);
  background-color: var(--color-cream, #FFF8E7);
  position: relative;
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-products__breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 16px 20px 0;
  font-family: 'Segoe UI', 'Helvetica Neue', sans-serif;
  font-size: 0.85rem;
  color: var(--color-charcoal, #1A1A1A);
  opacity: 0.75;
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}
.page-products__breadcrumb a {
  color: var(--color-green, #2E8B57);
  text-decoration: none;
  transition: color var(--transition-fast, 0.2s ease);
}
.page-products__breadcrumb a:hover,
.page-products__breadcrumb a:focus-visible {
  color: var(--color-red, #FF4500);
  text-decoration: underline;
}
.page-products__breadcrumb-sep {
  margin: 0 2px;
  user-select: none;
}
.page-products__breadcrumb [aria-current="page"] {
  font-weight: 600;
  color: var(--color-dark-brown, #3C2415);
  opacity: 1;
}

/* ---------- 英雄区 ---------- */
.page-products__hero {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 24px 20px 32px;
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
  min-height: var(--hero-min-height);
  position: relative;
}
.page-products__hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 45%;
  height: 100%;
  background: linear-gradient(135deg, rgba(46,139,87,0.08) 0%, rgba(255,69,0,0.04) 100%);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0% 100%);
  pointer-events: none;
  z-index: 0;
}
.page-products__hero-text,
.page-products__hero-visual {
  position: relative;
  z-index: 1;
}
.page-products__hero-title {
  font-family: Impact, 'Arial Black', sans-serif;
  font-size: 2.8rem;
  line-height: 1.05;
  color: var(--color-dark-brown, #3C2415);
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}
.page-products__hero-sub {
  font-family: 'Segoe UI', 'Helvetica Neue', sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-green, #2E8B57);
  margin: 0 0 12px;
  padding-left: 4px;
  border-left: 4px solid var(--color-red, #FF4500);
  padding-left: 12px;
}
.page-products__hero-desc {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-charcoal, #1A1A1A);
  max-width: 580px;
  margin: 0;
}
.page-products__hero-visual {
  width: 100%;
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-strong, 0 8px 40px rgba(0,0,0,0.12));
  background: var(--color-off-white, #FFF5E0);
}
.page-products__hero-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  object-position: center;
}

/* ---------- 网格区标题 ---------- */
.page-products__grid {
  padding: 8px 20px 40px;
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}
.page-products__section-title {
  font-family: Impact, 'Arial Black', sans-serif;
  font-size: 2rem;
  line-height: 1.1;
  color: var(--color-dark-brown, #3C2415);
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  position: relative;
  display: inline-block;
}
.page-products__section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--color-red, #FF4500);
  margin-top: 6px;
  border-radius: 2px;
}
.page-products__section-desc {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-charcoal, #1A1A1A);
  margin: 0 0 28px;
  max-width: 620px;
}

/* ---------- 卡片网格 ---------- */
.page-products__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap-grid);
}

/* ---------- 单个卡片 ---------- */
.page-products__card {
  background: var(--card-bg);
  border: 2px solid var(--card-border);
  border-radius: var(--radius-card);
  box-shadow: var(--card-shadow);
  transition: box-shadow var(--transition-med, 0.35s ease), transform var(--transition-med, 0.35s ease);
  overflow: hidden;
}
.page-products__card:hover {
  box-shadow: 0 10px 36px rgba(0,0,0,0.12);
  transform: translateY(-2px);
}

/* ---------- details / summary 基础 ---------- */
.page-products__details {
  display: block;
}
.page-products__details[open] .page-products__summary-chevron {
  transform: rotate(90deg);
}
.page-products__summary {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  list-style: none;
  position: relative;
  user-select: none;
}
.page-products__summary::-webkit-details-marker {
  display: none;
}
.page-products__summary:focus-visible {
  outline: 3px solid var(--color-green, #2E8B57);
  outline-offset: -3px;
  border-radius: var(--radius-card);
}

.page-products__card-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(46,139,87,0.10);
  transition: background var(--transition-fast, 0.2s ease);
}
.page-products__card:hover .page-products__card-icon {
  background: rgba(46,139,87,0.18);
}
.page-products__card-icon svg {
  display: block;
}

.page-products__summary-text {
  flex: 1;
  min-width: 0;
}
.page-products__card-title {
  font-family: Impact, 'Arial Black', sans-serif;
  font-size: 1.4rem;
  line-height: 1.2;
  color: var(--color-dark-brown, #3C2415);
  margin: 0 0 4px;
  text-transform: uppercase;
}
.page-products__card-brief {
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--color-charcoal, #1A1A1A);
  margin: 0;
  opacity: 0.85;
}
.page-products__summary-chevron {
  font-size: 1.4rem;
  color: var(--color-green, #2E8B57);
  transition: transform var(--transition-med, 0.35s ease);
  flex-shrink: 0;
  line-height: 1;
}

/* ---------- 卡片详情 ---------- */
.page-products__card-detail {
  padding: 0 24px 24px;
  border-top: 1px solid rgba(60,36,21,0.12);
  margin-top: 0;
}
.page-products__detail-layout {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding-top: 20px;
}
.page-products__detail-img {
  flex-shrink: 0;
  border-radius: 10px;
  overflow: hidden;
  background: var(--color-off-white, #FFF5E0);
  box-shadow: var(--shadow-soft, 0 4px 20px rgba(0,0,0,0.06));
}
.page-products__detail-img img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-products__detail-text {
  flex: 1;
}
.page-products__detail-lead {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-charcoal, #1A1A1A);
  margin: 0 0 16px;
  font-weight: 600;
}

/* ---------- 特性列表 ---------- */
.page-products__feature-list {
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.page-products__feature-list li {
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--color-dark-brown, #3C2415);
  padding-left: 8px;
  border-left: 3px solid var(--color-silver, #C0C0C0);
}
.page-products__feature-tag {
  display: inline-block;
  font-family: 'Segoe UI', 'Helvetica Neue', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--color-green, #2E8B57);
  color: #fff;
  padding: 2px 10px;
  border-radius: 20px;
  margin-right: 6px;
}
.page-products__detail-note {
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--color-charcoal, #1A1A1A);
  margin: 0;
  opacity: 0.8;
}
.page-products__inline-link {
  color: var(--color-red, #FF4500);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 600;
  transition: color var(--transition-fast, 0.2s ease);
}
.page-products__inline-link:hover,
.page-products__inline-link:focus-visible {
  color: var(--color-dark-brown, #3C2415);
}

/* ---------- 下载按钮 ---------- */
.page-products__btn-download {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Segoe UI', 'Helvetica Neue', sans-serif;
  font-size: 0.92rem;
  font-weight: 700;
  padding: 12px 28px;
  border: none;
  border-radius: 30px;
  background: linear-gradient(135deg, #FF4500 0%, #CC3700 100%);
  color: #fff;
  cursor: pointer;
  transition: transform var(--transition-fast, 0.2s ease), box-shadow var(--transition-fast, 0.2s ease);
  box-shadow: 0 4px 16px rgba(255,69,0,0.30);
  margin-top: 12px;
}
.page-products__btn-download:hover,
.page-products__btn-download:focus-visible {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 6px 24px rgba(255,69,0,0.40);
}
.page-products__btn-download:active {
  transform: scale(0.97);
}

/* ---------- 标签云 ---------- */
.page-products__tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0;
  padding: 16px;
  background: rgba(192,192,192,0.15);
  backdrop-filter: blur(4px);
  border-radius: 12px;
  border: 1px solid rgba(192,192,192,0.30);
}
.page-products__tag {
  display: inline-block;
  font-family: 'Segoe UI', 'Helvetica Neue', sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 6px 18px;
  border-radius: 30px;
  background: var(--color-cream, #FFF8E7);
  color: var(--color-dark-brown, #3C2415);
  border: 1.5px solid var(--color-silver, #C0C0C0);
  cursor: pointer;
  transition: all var(--transition-fast, 0.2s ease);
  user-select: none;
}
.page-products__tag:hover,
.page-products__tag:focus-visible {
  transform: scale(1.08);
  border-color: var(--color-red, #FF4500);
  background: var(--color-red, #FF4500);
  color: #fff;
  box-shadow: 0 4px 14px rgba(255,69,0,0.25);
}
.page-products__tag:nth-child(1) { border-color: #2E8B57; }
.page-products__tag:nth-child(2) { border-color: #FF4500; }
.page-products__tag:nth-child(3) { border-color: #C0C0C0; }
.page-products__tag:nth-child(4) { border-color: #FFD700; }
.page-products__tag:nth-child(5) { border-color: #2E8B57; }
.page-products__tag:nth-child(6) { border-color: #FF4500; }
.page-products__tag:nth-child(7) { border-color: #C0C0C0; }
.page-products__tag:nth-child(8) { border-color: #FFD700; }
.page-products__tag:nth-child(9) { border-color: #2E8B57; }
.page-products__tag:nth-child(10) { border-color: #FF4500; }

/* ---------- 导航示意图 ---------- */
.page-products__nav-diagram {
  margin: 16px 0;
  padding: 12px 0;
}
.page-products__nav-diagram-bar {
  display: flex;
  gap: 4px;
  background: var(--color-charcoal, #1A1A1A);
  padding: 8px 12px;
  border-radius: 10px;
  justify-content: center;
  flex-wrap: wrap;
}
.page-products__nav-diagram-item {
  font-family: 'Segoe UI', 'Helvetica Neue', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 6px;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.7);
  transition: background var(--transition-fast, 0.2s ease);
}
.page-products__nav-diagram-item--active {
  background: var(--color-red, #FF4500);
  color: #fff;
  box-shadow: 0 0 12px rgba(255,69,0,0.5);
}

/* ---------- CTA 引导区 ---------- */
.page-products__cta {
  padding: 48px 20px 56px;
  background: linear-gradient(135deg, rgba(46,139,87,0.06) 0%, rgba(255,69,0,0.04) 100%);
  border-top: 2px solid rgba(60,36,21,0.08);
}
.page-products__cta-inner {
  max-width: 1280px;
  margin: 0 auto;
  text-align: center;
}
.page-products__cta-title {
  font-family: Impact, 'Arial Black', sans-serif;
  font-size: 1.8rem;
  line-height: 1.15;
  color: var(--color-dark-brown, #3C2415);
  margin: 0 0 12px;
  text-transform: uppercase;
}
.page-products__cta-desc {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-charcoal, #1A1A1A);
  max-width: 520px;
  margin: 0 auto 28px;
}
.page-products__cta-links {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.page-products__cta-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: 'Segoe UI', 'Helvetica Neue', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  padding: 12px 32px;
  border-radius: 30px;
  text-decoration: none;
  transition: all var(--transition-med, 0.35s ease);
}
.page-products__cta-link--primary {
  background: var(--color-green, #2E8B57);
  color: #fff;
  box-shadow: 0 4px 16px rgba(46,139,87,0.30);
}
.page-products__cta-link--primary:hover,
.page-products__cta-link--primary:focus-visible {
  background: #23744a;
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(46,139,87,0.40);
}
.page-products__cta-link--secondary {
  background: transparent;
  color: var(--color-dark-brown, #3C2415);
  border: 2px solid var(--color-dark-brown, #3C2415);
}
.page-products__cta-link--secondary:hover,
.page-products__cta-link--secondary:focus-visible {
  background: var(--color-dark-brown, #3C2415);
  color: var(--color-cream, #FFF8E7);
  transform: translateY(-2px);
}

/* =============================================
   桌面端 (min-width: 768px)
   ============================================= */
@media (min-width: 768px) {
  .page-products__hero {
    flex-direction: row;
    align-items: center;
    gap: 40px;
    padding: 48px 32px 40px;
  }
  .page-products__hero-text {
    flex: 1 1 45%;
  }
  .page-products__hero-title {
    font-size: 3.6rem;
  }
  .page-products__hero-sub {
    font-size: 1.15rem;
  }
  .page-products__hero-desc {
    font-size: 1.05rem;
  }
  .page-products__hero-visual {
    flex: 1 1 50%;
  }

  .page-products__grid {
    padding: 16px 32px 56px;
  }
  .page-products__section-title {
    font-size: 2.4rem;
  }

  .page-products__cards {
    grid-template-columns: 1fr 1fr;
  }

  .page-products__summary {
    padding: 24px 28px;
  }
  .page-products__card-title {
    font-size: 1.5rem;
  }
  .page-products__card-detail {
    padding: 0 28px 28px;
  }

  .page-products__detail-layout {
    flex-direction: row;
    align-items: flex-start;
  }
  .page-products__detail-layout--reverse {
    flex-direction: row-reverse;
  }
  .page-products__detail-img {
    width: 280px;
    flex-shrink: 0;
  }

  .page-products__cta {
    padding: 64px 32px 72px;
  }
  .page-products__cta-title {
    font-size: 2.2rem;
  }
}

/* =============================================
   大桌面端 (min-width: 1024px)
   ============================================= */
@media (min-width: 1024px) {
  .page-products__breadcrumb {
    padding: 20px 40px 0;
  }
  .page-products__hero {
    padding: 56px 40px 48px;
    gap: 56px;
  }
  .page-products__hero-title {
    font-size: 4.2rem;
  }
  .page-products__hero-sub {
    font-size: 1.25rem;
  }
  .page-products__hero-desc {
    font-size: 1.1rem;
  }

  .page-products__grid {
    padding: 24px 40px 64px;
  }
  .page-products__section-title {
    font-size: 2.8rem;
  }

  .page-products__cards {
    gap: 32px;
  }

  .page-products__summary {
    padding: 28px 32px;
  }
  .page-products__card-title {
    font-size: 1.65rem;
  }
  .page-products__card-detail {
    padding: 0 32px 32px;
  }
  .page-products__detail-img {
    width: 320px;
  }

  .page-products__cta {
    padding: 80px 40px 88px;
  }
  .page-products__cta-title {
    font-size: 2.6rem;
  }
}

/* =============================================
   超大桌面端 (min-width: 1400px)
   ============================================= */
@media (min-width: 1400px) {
  .page-products__hero {
    padding: 64px 48px 56px;
    gap: 72px;
  }
  .page-products__hero-title {
    font-size: 5rem;
  }
  .page-products__grid {
    padding: 32px 48px 80px;
  }
  .page-products__cards {
    gap: 40px;
  }
  .page-products__detail-img {
    width: 360px;
  }
}