.page-products {
  --gold-text: #7A5A00;
  --feature-gap: 20px;
  --section-gap: 72px;
  background: var(--color-cream);
  color: var(--color-charcoal);
}

/* 首屏 */
.page-products__hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 70% 70% at 90% 10%, rgba(245, 179, 1, 0.16) 0%, transparent 55%),
    radial-gradient(ellipse 60% 60% at 10% 90%, rgba(255, 107, 44, 0.14) 0%, transparent 55%),
    linear-gradient(135deg, var(--color-primary-deep) 0%, var(--color-primary) 60%, var(--color-primary-light) 100%);
  color: var(--color-white);
  padding: 36px 0 56px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), 0 100%);
}

.page-products__hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 200px;
  height: 6px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-gold));
  border-radius: 0 0 0 6px;
}

.page-products__hero-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.page-products__hero-grid {
  display: grid;
  gap: 40px;
  margin-top: 28px;
}

.page-products__hero-copy {
  max-width: 760px;
}

.page-products__hero-copy h1 {
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: clamp(1.8rem, 4.4vw, 3rem);
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--color-white);
  margin: 12px 0 16px;
}

.page-products__hero-desc {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.8;
  max-width: 640px;
  margin-bottom: 28px;
}

.page-products__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products__hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.page-products__stat-item {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 18px 16px;
  backdrop-filter: blur(4px);
}

.page-products__stat-item--gold {
  border-color: rgba(245, 179, 1, 0.4);
}

.page-products__stat-item--gold .page-products__stat-value {
  color: var(--color-gold);
}

.page-products__stat-item--accent {
  border-color: rgba(255, 107, 44, 0.4);
}

.page-products__stat-item--accent .page-products__stat-value {
  color: var(--color-accent);
}

.page-products__stat-value {
  display: block;
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: 1.9rem;
  line-height: 1.2;
  color: var(--color-white);
}

.page-products__stat-label {
  display: block;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 6px;
}

/* 左右分栏 */
.page-products__layout {
  max-width: var(--container);
  margin: 0 auto;
  padding: 56px 24px 96px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.page-products__sidenav {
  position: relative;
}

.page-products__sidenav-inner {
  background: var(--color-stone);
  border: 1px solid rgba(11, 31, 58, 0.08);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.page-products__sidenav-title {
  display: block;
  font-weight: 900;
  color: var(--color-primary);
  margin-bottom: 14px;
}

.page-products__sidenav-list {
  display: flex;
  overflow-x: auto;
  gap: 8px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.page-products__sidenav-list::-webkit-scrollbar {
  display: none;
}

.page-products__nav-link {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  padding: 9px 14px;
  border-radius: var(--radius-pill);
  background: var(--color-cream);
  color: var(--color-primary);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background var(--duration) var(--ease), color var(--duration) var(--ease), transform var(--duration) var(--ease), border-color var(--duration) var(--ease);
}

.page-products__nav-link:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
  border-color: var(--color-primary);
}

.page-products__nav-link:focus-visible {
  outline: 3px solid var(--color-gold);
  outline-offset: 2px;
}

.page-products__sidenav-note {
  display: none;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid rgba(11, 31, 58, 0.14);
}

.page-products__sidenav-note p {
  margin: 10px 0 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--color-charcoal);
}

/* 内容区通用 */
.page-products__content {
  min-width: 0;
}

.page-products__section {
  scroll-margin-top: calc(var(--header-height) + 24px);
}

.page-products__feature-section {
  margin-bottom: var(--section-gap);
}

.page-products__section-header {
  margin-bottom: 28px;
}

.page-products__section-header .overline {
  color: var(--color-accent-dark);
  font-weight: 700;
}

.page-products__section-header h2 {
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: clamp(1.55rem, 3vw, 2.2rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-primary);
  margin: 8px 0 10px;
}

.page-products__section-header p {
  max-width: 640px;
  color: var(--color-gray);
  margin: 0;
}

/* 核心功能矩阵 */
.page-products__feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--feature-gap);
}

.page-products__feature-card {
  background: var(--color-white);
  overflow: hidden;
  border: 1px solid rgba(11, 31, 58, 0.08);
  border-radius: var(--radius-lg);
  transition: transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease), border-color var(--duration) var(--ease);
}

.page-products__feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(11, 31, 58, 0.16);
}

.page-products__feature-media {
  margin: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.page-products__feature-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-products__feature-body {
  padding: 20px 20px 24px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.page-products__feature-body h3 {
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: 1.15rem;
  line-height: 1.3;
  color: var(--color-primary);
  margin: 0;
}

.page-products__feature-body p {
  color: var(--color-charcoal);
  font-size: 0.95rem;
  line-height: 1.7;
  margin: 0;
}

.page-products__feature-tag--accent {
  background: rgba(255, 107, 44, 0.12);
  color: var(--color-accent-dark);
}

.page-products__feature-tag--moss {
  background: rgba(74, 124, 89, 0.14);
  color: var(--color-moss);
}

.page-products__feature-tag--gold {
  background: rgba(245, 179, 1, 0.16);
  color: var(--gold-text);
}

/* 多联赛覆盖 */
.page-products__league-section {
  background: linear-gradient(135deg, var(--color-primary-deep) 0%, var(--color-primary) 70%, var(--color-primary-light) 100%);
  border-radius: var(--radius-lg);
  padding: 40px 20px;
  margin-bottom: var(--section-gap);
  position: relative;
  overflow: hidden;
  clip-path: polygon(0 0, 100% 3%, 100% 97%, 0 100%);
}

.page-products__league-section::before {
  content: "";
  position: absolute;
  top: -40px;
  right: -40px;
  width: 200px;
  height: 200px;
  background: rgba(245, 179, 1, 0.08);
  border-radius: 50%;
  filter: blur(30px);
  pointer-events: none;
}

.page-products__section-header--light h2 {
  color: var(--color-white);
}

.page-products__section-header--light p {
  color: rgba(255, 255, 255, 0.7);
}

.page-products__section-header--light .overline {
  color: var(--color-gold);
}

.page-products__league-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.page-products__league-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 32px;
}

.page-products__league-map {
  margin: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.page-products__league-map img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-products__league-groups {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.page-products__league-group {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 16px;
}

.page-products__league-group h3 {
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  color: var(--color-gold);
  margin: 0 0 12px;
}

.page-products__league-group ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-products__league-group li {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.95rem;
  padding-left: 16px;
  position: relative;
}

.page-products__league-group li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  transform: translateY(-50%);
}

.page-products__league-note {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: var(--color-gold);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  padding: 18px 16px;
  font-weight: 900;
  text-align: center;
}

.page-products__league-total {
  font-family: var(--font-headline);
  font-size: 2.2rem;
  line-height: 1;
}

/* 平台与设备 */
.page-products__platform-section {
  margin-bottom: var(--section-gap);
}

.page-products__platform-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--feature-gap);
}

.page-products__platform-card {
  background: var(--color-white);
  padding: 24px;
  border: 1px solid rgba(11, 31, 58, 0.08);
  border-radius: var(--radius-lg);
  margin: 0;
  transition: transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}

.page-products__platform-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.page-products__platform-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: var(--color-white);
  font-family: var(--font-caption);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
}

.page-products__platform-card h3 {
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: 1.15rem;
  color: var(--color-primary);
  margin: 0 0 8px;
}

.page-products__platform-card p {
  color: var(--color-charcoal);
  font-size: 0.95rem;
  line-height: 1.7;
  margin: 0;
}

/* 更新与速度 */
.page-products__speed-section {
  background: var(--color-stone);
  border-radius: var(--radius-lg);
  padding: 40px 20px;
  margin-bottom: var(--section-gap);
}

.page-products__speed-compare {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 28px;
}

.page-products__speed-item {
  background: var(--color-cream);
  border: 1px solid rgba(11, 31, 58, 0.08);
  border-radius: var(--radius-md);
  padding: 18px 16px;
}

.page-products__speed-label {
  display: block;
  font-weight: 900;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.page-products__speed-bar {
  height: 18px;
  border-radius: var(--radius-pill);
  background: rgba(11, 31, 58, 0.12);
  overflow: hidden;
  margin-bottom: 8px;
}

.page-products__speed-bar-fill {
  display: block;
  height: 100%;
  border-radius: var(--radius-pill);
}

.page-products__speed-bar-fill--old {
  width: 70%;
  background: var(--color-gray);
}

.page-products__speed-bar-fill--new {
  width: 100%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-gold));
}

.page-products__speed-meta {
  font-family: var(--font-caption);
  font-size: 0.82rem;
  color: var(--color-gray);
}

.page-products__speed-advantages {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 24px;
}

.page-products__speed-advantages > div {
  background: var(--color-cream);
  border-radius: var(--radius-md);
  padding: 14px 8px;
  text-align: center;
}

.page-products__speed-advantages span:first-child {
  display: block;
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: 1.6rem;
  line-height: 1.2;
  color: var(--color-accent);
}

.page-products__speed-advantages span:last-child {
  display: block;
  font-size: 0.82rem;
  color: var(--color-gray);
  margin-top: 4px;
}

/* 下载入口 */
.page-products__download-section {
  margin-bottom: 8px;
}

.page-products__download-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  background: linear-gradient(135deg, var(--color-primary-deep), var(--color-primary));
  border-radius: var(--radius-lg);
  padding: 36px 24px;
  position: relative;
  overflow: hidden;
  color: var(--color-white);
}

.page-products__download-card::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-gold), transparent);
}

.page-products__download-copy {
  position: relative;
  z-index: 1;
}

.page-products__download-copy h2 {
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: clamp(1.7rem, 3.4vw, 2.4rem);
  color: var(--color-white);
  margin: 8px 0 12px;
}

.page-products__download-copy p {
  color: rgba(255, 255, 255, 0.76);
  line-height: 1.7;
  margin-bottom: 20px;
}

.page-products__download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.page-products__download-note {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.87rem;
  margin-bottom: 0;
}

.page-products__download-link {
  color: var(--color-gold);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.page-products__download-link:hover {
  color: var(--color-accent);
}

.page-products__download-qr {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 4px solid rgba(255, 255, 255, 0.14);
  max-width: 300px;
}

.page-products__download-qr img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--duration) var(--ease), opacity var(--duration) var(--ease);
}

.page-products__download-qr:hover img {
  transform: scale(1.03);
}

/* 平板及以上 */
@media (min-width: 768px) {
  .page-products__hero-grid {
    grid-template-columns: 1fr 380px;
    gap: 48px;
    align-items: end;
  }

  .page-products__feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products__platform-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products__speed-compare {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products__download-card {
    grid-template-columns: 1fr 280px;
    align-items: center;
    padding: 48px 40px;
  }
}

/* 桌面端 */
@media (min-width: 992px) {
  .page-products__layout {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
    padding-top: 72px;
  }

  .page-products__sidenav-inner {
    position: sticky;
    top: calc(var(--header-height) + 24px);
  }

  .page-products__sidenav-list {
    flex-direction: column;
    align-items: stretch;
    overflow: visible;
  }

  .page-products__sidenav-note {
    display: block;
  }

  .page-products__nav-link {
    white-space: normal;
    border-radius: var(--radius-sm);
  }

  .page-products__league-grid {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: stretch;
  }

  .page-products__league-groups {
    grid-template-columns: repeat(2, 1fr);
  }
}