/* ===== 页面专属CSS：.page-products ===== */
.page-products {
  --panel-gap: calc(var(--gap, 16px) * 3);
  --flip-duration: 0.5s;
  --feature-bg: var(--color-card, #FFFFFF);
  --feature-radius: var(--radius-lg, 20px);
  --hero-min-h: 480px;
  display: block;
  width: 100%;
  background: var(--color-bg-light, #F0F9FF);
}

/* ---- 容器 ---- */
.page-products .container {
  max-width: var(--max-w, 1280px);
  margin: 0 auto;
  padding: 0 var(--gap, 16px);
  width: 100%;
  box-sizing: border-box;
}

/* ---- 面包屑 ---- */
.page-products .breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 18px 0 8px;
  font-family: var(--font-body, 'Roboto Condensed', sans-serif);
  font-size: 0.9rem;
  color: var(--color-text-light, #636E72);
}
.page-products .breadcrumb__link {
  color: var(--color-primary, #00B4D8);
  text-decoration: none;
  transition: color 0.2s;
}
.page-products .breadcrumb__link:hover {
  color: var(--color-primary-dark, #0077B6);
  text-decoration: underline;
}
.page-products .breadcrumb__sep {
  color: var(--color-text-light, #636E72);
  user-select: none;
}
.page-products .breadcrumb__current {
  color: var(--color-text, #2D3436);
  font-weight: 600;
}

/* ---- 首屏分屏 ---- */
.page-products .hero-split {
  display: flex;
  flex-direction: column;
  gap: var(--gap, 16px);
  min-height: var(--hero-min-h);
  padding: 32px 0 48px;
  position: relative;
}
.page-products .hero-split__text {
  flex: 0 0 auto;
  z-index: 2;
}
.page-products .hero-split__title {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-weight: 800;
  font-size: 2.4rem;
  letter-spacing: 0.04em;
  line-height: 1.15;
  color: var(--color-text, #2D3436);
  margin: 0 0 12px;
}
.page-products .hero-split__sub {
  font-family: var(--font-body, 'Roboto Condensed', sans-serif);
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--color-text-light, #636E72);
  max-width: 540px;
  margin: 0 0 24px;
}
.page-products .hero-split__btn {
  display: inline-block;
}
.page-products .hero-split__visual {
  position: relative;
  flex: 1 1 auto;
  min-height: 240px;
  border-radius: var(--feature-radius);
  overflow: hidden;
  background: linear-gradient(135deg, rgba(0,180,216,0.08), rgba(45,106,79,0.12));
}
.page-products .hero-split__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
  pointer-events: none;
}
.page-products .hero-split__graphic {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 12px;
  padding: 32px 16px;
  min-height: 240px;
  box-sizing: border-box;
}
.page-products .hero-dot {
  display: inline-block;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-primary, #00B4D8);
  position: relative;
  transition: transform 0.3s;
}
.page-products .hero-dot::after {
  content: attr(data-value);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-number, 'Roboto Mono', monospace);
  font-size: 0.75rem;
  color: var(--color-primary-dark, #0077B6);
  background: var(--color-card, #FFFFFF);
  padding: 2px 8px;
  border-radius: var(--radius-sm, 6px);
  box-shadow: var(--shadow-sm, 0 1px 4px rgba(0,0,0,0.06));
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.25s;
  pointer-events: none;
}
.page-products .hero-dot:hover::after {
  opacity: 1;
}
.page-products .hero-dot--1 { background: var(--color-accent, #FF6B35); width: 20px; height: 20px; align-self: center; }
.page-products .hero-dot--2 { background: var(--color-primary, #00B4D8); width: 26px; height: 26px; align-self: flex-start; }
.page-products .hero-dot--3 { background: var(--color-accent-light, #FF8C42); width: 14px; height: 14px; align-self: flex-end; }
.page-products .hero-line {
  display: block;
  width: 2px;
  height: 80px;
  background: linear-gradient(to top, var(--color-primary, #00B4D8), transparent);
  align-self: center;
  border-radius: 2px;
}
.page-products .hero-bar {
  display: block;
  width: 18px;
  border-radius: 4px 4px 0 0;
  background: var(--color-primary, #00B4D8);
  opacity: 0.7;
  transition: opacity 0.3s;
}
.page-products .hero-bar--a { height: 60px; background: var(--color-accent, #FF6B35); }
.page-products .hero-bar--b { height: 90px; background: var(--color-primary, #00B4D8); }
.page-products .hero-bar--c { height: 44px; background: var(--color-accent-light, #FF8C42); }
.page-products .hero-bar:hover { opacity: 1; }

/* ---- 功能面板堆叠 ---- */
.page-products .features-stack {
  display: flex;
  flex-direction: column;
  gap: var(--panel-gap, 48px);
  padding: 16px 0 48px;
}
.page-products .feature-panel {
  display: flex;
  flex-direction: column;
  gap: 20px;
  background: var(--feature-bg);
  border-radius: var(--feature-radius);
  box-shadow: var(--shadow-md, 0 4px 16px rgba(0,0,0,0.08));
  padding: 28px 24px;
  transition: box-shadow 0.3s, transform 0.3s;
  animation: panelSlideUp 0.6s ease-out both;
}
.page-products .feature-panel[data-panel="1"] { animation-delay: 0.1s; }
.page-products .feature-panel[data-panel="2"] { animation-delay: 0.2s; }
.page-products .feature-panel[data-panel="3"] { animation-delay: 0.3s; }
.page-products .feature-panel[data-panel="4"] { animation-delay: 0.4s; }
.page-products .feature-panel:hover {
  box-shadow: var(--shadow-lg, 0 8px 32px rgba(0,0,0,0.10));
  transform: translateY(-2px);
}
.page-products .feature-panel__text {
  flex: 0 0 auto;
}
.page-products .feature-panel__num {
  display: inline-block;
  font-family: var(--font-number, 'Roboto Mono', monospace);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary, #00B4D8);
  letter-spacing: 0.08em;
  margin-bottom: 4px;
  opacity: 0.7;
}
.page-products .feature-panel__title {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-weight: 700;
  font-size: 1.6rem;
  letter-spacing: 0.02em;
  color: var(--color-text, #2D3436);
  margin: 0 0 10px;
}
.page-products .feature-panel__desc {
  font-family: var(--font-body, 'Roboto Condensed', sans-serif);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text-light, #636E72);
  max-width: 520px;
  margin: 0;
}
.page-products .feature-panel__media {
  flex: 1 1 auto;
  min-width: 0;
}

/* ---- 翻转卡片 ---- */
.page-products .flip-card {
  perspective: 1000px;
  width: 100%;
  max-width: 500px;
  margin: 0 auto;
}
.page-products .flip-card__inner {
  position: relative;
  width: 100%;
  padding-bottom: 75%;
  transition: transform var(--flip-duration) ease;
  transform-style: preserve-3d;
  border-radius: var(--radius-md, 12px);
  overflow: hidden;
  box-shadow: var(--shadow-sm, 0 1px 4px rgba(0,0,0,0.06));
}
.page-products .flip-card:hover .flip-card__inner {
  transform: rotateY(180deg);
}
.page-products .flip-card__front,
.page-products .flip-card__back {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md, 12px);
  overflow: hidden;
}
.page-products .flip-card__front {
  background: var(--color-bg-light, #F0F9FF);
}
.page-products .flip-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.page-products .flip-card__back {
  background: linear-gradient(135deg, var(--color-primary, #00B4D8), var(--color-primary-dark, #0077B6));
  color: #fff;
  transform: rotateY(180deg);
  padding: 20px 16px;
  box-sizing: border-box;
  text-align: center;
  gap: 8px;
}
.page-products .flip-card__label {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.04em;
  border-bottom: 2px solid rgba(255,255,255,0.35);
  padding-bottom: 6px;
  margin-bottom: 6px;
}
.page-products .flip-card__stat {
  font-family: var(--font-body, 'Roboto Condensed', sans-serif);
  font-size: 0.95rem;
  line-height: 1.5;
  opacity: 0.95;
}

/* ---- CTA 面板 ---- */
.page-products .cta-panel {
  padding: 40px 0 32px;
}
.page-products .cta-panel__inner {
  background: linear-gradient(135deg, var(--color-bg-dark, #1A1A2E), #16213e);
  border-radius: var(--radius-xl, 28px);
  padding: 40px 28px;
  text-align: center;
  box-shadow: var(--shadow-lg, 0 8px 32px rgba(0,0,0,0.10));
}
.page-products .cta-panel__title {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-weight: 700;
  font-size: 1.8rem;
  letter-spacing: 0.03em;
  color: #fff;
  margin: 0 0 12px;
}
.page-products .cta-panel__desc {
  font-family: var(--font-body, 'Roboto Condensed', sans-serif);
  font-size: 1.05rem;
  color: rgba(255,255,255,0.75);
  margin: 0 0 28px;
}
.page-products .cta-panel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}

/* ---- 信任声明 ---- */
.page-products .trust-statement {
  padding: 24px 0 40px;
  text-align: center;
}
.page-products .trust-statement p {
  font-family: var(--font-body, 'Roboto Condensed', sans-serif);
  font-size: 0.92rem;
  color: var(--color-text-light, #636E72);
  background: rgba(0,180,216,0.06);
  display: inline-block;
  padding: 10px 24px;
  border-radius: var(--radius-sm, 6px);
  margin: 0;
  max-width: 620px;
  line-height: 1.5;
}

/* ---- 按钮变体（作用域内） ---- */
.page-products .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.02em;
  padding: 12px 28px;
  border-radius: var(--radius-md, 12px);
  border: 2px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.25s, color 0.25s, border-color 0.25s, transform 0.15s;
}
.page-products .btn:hover { transform: translateY(-1px); }
.page-products .btn-primary {
  background: var(--color-primary, #00B4D8);
  color: #fff;
  border-color: var(--color-primary, #00B4D8);
}
.page-products .btn-primary:hover {
  background: var(--color-primary-dark, #0077B6);
  border-color: var(--color-primary-dark, #0077B6);
}
.page-products .btn-accent {
  background: var(--color-accent, #FF6B35);
  color: #fff;
  border-color: var(--color-accent, #FF6B35);
}
.page-products .btn-accent:hover {
  background: var(--color-accent-light, #FF8C42);
  border-color: var(--color-accent-light, #FF8C42);
}
.page-products .btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.45);
}
.page-products .btn-outline:hover {
  background: rgba(255,255,255,0.10);
  border-color: #fff;
}
.page-products .btn-lg {
  padding: 14px 36px;
  font-size: 1.1rem;
}

/* ---- 入场动画 ---- */
@keyframes panelSlideUp {
  0% {
    opacity: 0.92;
    transform: translateY(24px) rotateY(-3deg);
  }
  100% {
    opacity: 1;
    transform: translateY(0) rotateY(0);
  }
}

/* ===== 桌面 ≥768px ===== */
@media (min-width: 768px) {
  .page-products {
    --hero-min-h: 520px;
    --panel-gap: 64px;
  }
  .page-products .container {
    padding: 0 calc(var(--gap, 16px) * 2);
  }
  .page-products .breadcrumb {
    padding: 24px 0 12px;
    font-size: 0.95rem;
  }

  /* 首屏左右分屏 */
  .page-products .hero-split {
    flex-direction: row;
    align-items: center;
    gap: 40px;
    padding: 40px 0 64px;
  }
  .page-products .hero-split__text {
    flex: 0 0 48%;
  }
  .page-products .hero-split__title {
    font-size: 3.2rem;
  }
  .page-products .hero-split__sub {
    font-size: 1.12rem;
  }
  .page-products .hero-split__visual {
    flex: 1 1 50%;
    min-height: 320px;
  }
  .page-products .hero-split__graphic {
    min-height: 320px;
    gap: 18px;
    padding: 40px 24px;
  }
  .page-products .hero-dot--1 { width: 24px; height: 24px; }
  .page-products .hero-dot--2 { width: 32px; height: 32px; }
  .page-products .hero-dot--3 { width: 18px; height: 18px; }
  .page-products .hero-line { height: 100px; }
  .page-products .hero-bar { width: 22px; }
  .page-products .hero-bar--a { height: 72px; }
  .page-products .hero-bar--b { height: 110px; }
  .page-products .hero-bar--c { height: 54px; }

  /* 面板左右文图 */
  .page-products .feature-panel {
    flex-direction: row;
    align-items: center;
    gap: 32px;
    padding: 36px 40px;
  }
  .page-products .feature-panel__text {
    flex: 0 0 42%;
  }
  .page-products .feature-panel__title {
    font-size: 1.9rem;
  }
  .page-products .feature-panel__desc {
    font-size: 1.05rem;
  }
  .page-products .feature-panel__media {
    flex: 1 1 55%;
    max-width: 540px;
  }
  .page-products .flip-card {
    max-width: 520px;
    margin: 0 0 0 auto;
  }
  .page-products .flip-card__inner {
    padding-bottom: 68%;
  }

  /* CTA */
  .page-products .cta-panel__inner {
    padding: 56px 48px;
  }
  .page-products .cta-panel__title {
    font-size: 2.2rem;
  }
  .page-products .cta-panel__desc {
    font-size: 1.1rem;
  }
}

/* ===== 桌面宽屏 ≥1024px ===== */
@media (min-width: 1024px) {
  .page-products .container {
    padding: 0 32px;
  }
  .page-products .hero-split__title {
    font-size: 3.6rem;
  }
  .page-products .feature-panel {
    padding: 44px 52px;
    gap: 40px;
  }
  .page-products .feature-panel__text {
    flex: 0 0 40%;
  }
  .page-products .feature-panel__title {
    font-size: 2.1rem;
  }
}