.page-products {
  --pp-primary: #0a1f3d;
  --pp-accent: #39ff14;
  --pp-accent-dim: rgba(57, 255, 20, 0.15);
  --pp-secondary: #ff6b35;
  --pp-text: #e0e6ed;
  --pp-heading: #ffffff;
  --pp-card-bg: rgba(10, 31, 61, 0.85);
  --pp-neutral: #2a3f5f;
  --pp-font-heading: Impact, 'Helvetica Neue', Arial, sans-serif;
  --pp-font-body: 'Inter', 'Segoe UI', Roboto, Arial, sans-serif;
  --pp-font-mono: 'Source Code Pro', Consolas, monospace;

  display: block;
  width: 100%;
  background-color: var(--pp-primary);
  color: var(--pp-text);
  font-family: var(--pp-font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== 面包屑 ===== */
.page-products__breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--pp-neutral);
  margin-bottom: 1rem;
  letter-spacing: 0.02em;
}
.page-products__breadcrumb a {
  color: var(--pp-neutral);
  text-decoration: none;
  transition: color 0.2s;
}
.page-products__breadcrumb a:hover,
.page-products__breadcrumb a:focus {
  color: var(--pp-accent);
}
.page-products__breadcrumb-sep {
  color: var(--pp-neutral);
  opacity: 0.5;
}
.page-products__breadcrumb [aria-current="page"] {
  color: var(--pp-accent);
  font-weight: 600;
}

/* ===== 首屏 ===== */
.page-products__hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  overflow: hidden;
}
.page-products__hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  max-width: 1200px;
  width: 100%;
}
.page-products__hero-visual {
  flex-shrink: 0;
  width: 100%;
  max-width: 600px;
}
.page-products__device-frame {
  position: relative;
  width: 100%;
  padding-bottom: 75%;
  perspective: 1200px;
  cursor: grab;
  touch-action: none;
}
.page-products__device-frame:active {
  cursor: grabbing;
}
.page-products__device-screen {
  position: absolute;
  inset: 4% 6%;
  background: var(--pp-card-bg);
  border-radius: 12px;
  border: 1px solid rgba(57, 255, 20, 0.25);
  overflow: hidden;
  transform-style: preserve-3d;
  transition: transform 0.15s ease;
  box-shadow: 0 0 40px rgba(57, 255, 20, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.page-products__screen-panel {
  width: 100%;
  background: rgba(13, 43, 82, 0.6);
  border-radius: 8px;
  padding: 1rem;
  backdrop-filter: blur(4px);
}
.page-products__panel-label {
  display: block;
  font-family: var(--pp-font-mono);
  font-size: 0.7rem;
  color: var(--pp-accent);
  margin-bottom: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.8;
}
.page-products__panel-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
  font-size: 0.75rem;
}
.page-products__panel-index {
  font-family: var(--pp-font-mono);
  color: var(--pp-secondary);
  width: 1.4rem;
  flex-shrink: 0;
  font-weight: 700;
}
.page-products__panel-league {
  width: 2.4rem;
  flex-shrink: 0;
  color: var(--pp-heading);
  font-weight: 600;
  font-size: 0.7rem;
}
.page-products__panel-bar {
  height: 6px;
  background: linear-gradient(90deg, var(--pp-accent), var(--pp-secondary));
  border-radius: 3px;
  transition: width 0.6s ease;
  opacity: 0.8;
}
.page-products__screen-glint {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.04), transparent 60%);
  pointer-events: none;
}
.page-products__device-bezel {
  position: absolute;
  inset: 0;
  border-radius: 28px;
  border: 3px solid rgba(57, 255, 20, 0.12);
  pointer-events: none;
  box-shadow: 0 0 60px rgba(57, 255, 20, 0.06);
}

/* 首屏内容 */
.page-products__hero-content {
  text-align: center;
  width: 100%;
}
.page-products__hero-title {
  font-family: var(--pp-font-heading);
  font-size: 2.8rem;
  color: var(--pp-heading);
  line-height: 1.15;
  margin: 0 0 0.5rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.page-products__hero-highlight {
  color: var(--pp-accent);
  text-shadow: 0 0 20px rgba(57, 255, 20, 0.3);
}
.page-products__hero-subtitle {
  font-size: 1rem;
  color: var(--pp-neutral);
  margin: 0 0 1.5rem;
  letter-spacing: 0.06em;
}
.page-products__download-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
}
.page-products__download-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 2.4rem;
  background: var(--pp-accent);
  color: var(--pp-primary);
  font-family: var(--pp-font-heading);
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-decoration: none;
  border-radius: 4px;
  transition: all 0.25s ease;
  box-shadow: 0 0 30px rgba(57, 255, 20, 0.2);
  border: none;
  cursor: pointer;
  position: relative;
}
.page-products__download-btn:hover,
.page-products__download-btn:focus {
  background: var(--pp-secondary);
  box-shadow: 0 0 40px rgba(255, 107, 53, 0.35);
  transform: scale(1.04);
  outline: none;
}
.page-products__download-btn:focus-visible {
  outline: 2px solid var(--pp-heading);
  outline-offset: 4px;
}
.page-products__download-btn--large {
  padding: 1.1rem 3rem;
  font-size: 1.4rem;
}
.page-products__btn-text {
  position: relative;
  z-index: 1;
}
.page-products__btn-arrow {
  position: relative;
  z-index: 1;
  font-weight: 700;
  transition: transform 0.2s;
}
.page-products__download-btn:hover .page-products__btn-arrow {
  transform: translateX(4px);
}
.page-products__version-tag {
  font-family: var(--pp-font-mono);
  font-size: 0.7rem;
  color: var(--pp-neutral);
  letter-spacing: 0.08em;
  background: rgba(42, 63, 95, 0.3);
  padding: 0.2rem 0.8rem;
  border-radius: 12px;
}
.page-products__hero-athlete {
  margin-top: 0.5rem;
  opacity: 0.6;
}
.page-products__athlete-img {
  width: 60px;
  height: auto;
  display: block;
}
.page-products__hero-bg-lines {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.12;
}
.page-products__bg-lines-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ===== 功能亮点 ===== */
.page-products__features {
  padding: 3rem 1rem;
  position: relative;
}
.page-products__features-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.page-products__section-title {
  font-family: var(--pp-font-heading);
  font-size: 2rem;
  color: var(--pp-heading);
  margin: 0 0 2rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.page-products__title-accent {
  color: var(--pp-accent);
  text-shadow: 0 0 12px rgba(57, 255, 20, 0.2);
}
.page-products__features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
  margin-bottom: 2.5rem;
}
.page-products__feature-card {
  background: var(--pp-card-bg);
  border: 1px solid rgba(57, 255, 20, 0.08);
  border-radius: 8px;
  padding: 1.5rem;
  transition: all 0.25s ease;
  backdrop-filter: blur(6px);
}
.page-products__feature-card:hover {
  border-color: rgba(57, 255, 20, 0.25);
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(57, 255, 20, 0.06);
}
.page-products__feature-icon {
  margin-bottom: 0.8rem;
  opacity: 0.9;
}
.page-products__feature-icon svg {
  display: block;
}
.page-products__feature-title {
  font-family: var(--pp-font-heading);
  font-size: 1.2rem;
  color: var(--pp-heading);
  margin: 0 0 0.5rem;
  letter-spacing: 0.03em;
}
.page-products__feature-desc {
  font-size: 0.9rem;
  color: var(--pp-text);
  margin: 0;
  line-height: 1.6;
  opacity: 0.85;
}
.page-products__feature-visual {
  margin-top: 1.5rem;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(57, 255, 20, 0.08);
}
.page-products__feature-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* ===== 帮助文档 ===== */
.page-products__help {
  padding: 3rem 1rem;
  background: rgba(13, 43, 82, 0.3);
  border-top: 1px solid rgba(57, 255, 20, 0.06);
  border-bottom: 1px solid rgba(57, 255, 20, 0.06);
}
.page-products__help-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
}
.page-products__help-icon-wrap {
  flex-shrink: 0;
  width: 120px;
  opacity: 0.7;
}
.page-products__help-icon-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
}
.page-products__help-content {
  max-width: 600px;
}
.page-products__help-desc {
  font-size: 1rem;
  margin: 0 0 1rem;
  line-height: 1.7;
}
.page-products__help-highlight {
  color: var(--pp-accent);
  font-weight: 700;
  letter-spacing: 0.04em;
  background: rgba(57, 255, 20, 0.1);
  padding: 0.1rem 0.5rem;
  border-radius: 4px;
}
.page-products__help-meta {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  margin-bottom: 1.2rem;
  flex-wrap: wrap;
}
.page-products__help-tag {
  display: inline-block;
  font-family: var(--pp-font-mono);
  font-size: 0.7rem;
  color: var(--pp-secondary);
  border: 1px solid var(--pp-secondary);
  padding: 0.2rem 0.8rem;
  border-radius: 12px;
  letter-spacing: 0.04em;
  opacity: 0.85;
}
.page-products__help-link {
  display: inline-block;
  color: var(--pp-accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s;
  border-bottom: 1px solid transparent;
}
.page-products__help-link:hover,
.page-products__help-link:focus {
  color: var(--pp-secondary);
  border-bottom-color: var(--pp-secondary);
}

/* ===== CTA 尾部 ===== */
.page-products__cta-section {
  padding: 4rem 1rem;
  text-align: center;
  position: relative;
}
.page-products__cta-inner {
  max-width: 700px;
  margin: 0 auto;
}
.page-products__cta-title {
  font-family: var(--pp-font-heading);
  font-size: 2.2rem;
  color: var(--pp-heading);
  margin: 0 0 1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.page-products__cta-desc {
  font-size: 1rem;
  color: var(--pp-neutral);
  margin: 0 0 2rem;
  line-height: 1.6;
}
.page-products__cta-note {
  font-size: 0.8rem;
  color: var(--pp-neutral);
  margin: 1rem 0 0;
  opacity: 0.7;
  letter-spacing: 0.04em;
}

/* ===== 脉冲动画（下载按钮） ===== */
@keyframes page-products-pulse-ring {
  0% { box-shadow: 0 0 0 0 rgba(57, 255, 20, 0.35); }
  70% { box-shadow: 0 0 0 18px rgba(57, 255, 20, 0); }
  100% { box-shadow: 0 0 0 0 rgba(57, 255, 20, 0); }
}
.page-products__download-btn[data-download-pulse] {
  animation: page-products-pulse-ring 2.2s ease-out infinite;
}
.page-products__download-btn[data-download-pulse]:hover {
  animation: none;
}

/* ===== 平板断点 (768px+) ===== */
@media (min-width: 768px) {
  .page-products__hero {
    padding: 3rem 2rem;
  }
  .page-products__hero-inner {
    flex-direction: row;
    text-align: left;
    gap: 3rem;
  }
  .page-products__hero-visual {
    max-width: 500px;
    flex: 0 0 45%;
  }
  .page-products__device-frame {
    padding-bottom: 70%;
  }
  .page-products__hero-content {
    text-align: left;
    flex: 1;
  }
  .page-products__hero-title {
    font-size: 3.6rem;
  }
  .page-products__hero-subtitle {
    font-size: 1.1rem;
  }
  .page-products__download-area {
    align-items: flex-start;
  }
  .page-products__hero-athlete {
    position: absolute;
    right: -1rem;
    bottom: 0;
    opacity: 0.5;
  }
  .page-products__athlete-img {
    width: 100px;
  }
  .page-products__features {
    padding: 5rem 2rem;
  }
  .page-products__section-title {
    font-size: 2.6rem;
  }
  .page-products__features-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
  .page-products__help {
    padding: 4rem 2rem;
  }
  .page-products__help-inner {
    flex-direction: row;
    text-align: left;
    gap: 2.5rem;
  }
  .page-products__help-icon-wrap {
    width: 160px;
  }
  .page-products__help-meta {
    justify-content: flex-start;
  }
  .page-products__cta-section {
    padding: 6rem 2rem;
  }
  .page-products__cta-title {
    font-size: 3rem;
  }
}

/* ===== 桌面宽屏 (1024px+) ===== */
@media (min-width: 1024px) {
  .page-products__hero-title {
    font-size: 4.2rem;
  }
  .page-products__hero-visual {
    max-width: 600px;
  }
  .page-products__features-grid {
    gap: 2rem;
  }
  .page-products__feature-card {
    padding: 2rem;
  }
  .page-products__download-btn {
    padding: 1rem 3rem;
    font-size: 1.3rem;
  }
  .page-products__download-btn--large {
    padding: 1.3rem 3.6rem;
    font-size: 1.5rem;
  }
}