.page-products {
  --pf-pad: 1.25rem;
  --pf-gap: 1.5rem;
  --pf-band-pad: 4rem 0;
  background: var(--primary);
  overflow-x: hidden;
}

/* 面包屑 */
.page-products .solutions-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 1rem;
  padding: 0;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
}
.page-products .solutions-breadcrumb a {
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  transition: color 300ms ease;
}
.page-products .solutions-breadcrumb a:hover {
  color: var(--secondary-gold);
  text-decoration: underline;
}
.page-products .solutions-breadcrumb span[aria-hidden="true"] {
  color: var(--secondary-gold);
}

/* 功能总览 */
.page-products .solutions-hero {
  position: relative;
  background: var(--primary);
  padding: var(--pf-band-pad);
  overflow: hidden;
}
.page-products .solutions-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.page-products .solutions-hero-bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-products .solutions-hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(10, 31, 68, 0.94) 0%, rgba(10, 31, 68, 0.76) 46%, rgba(10, 31, 68, 0.4) 100%);
}
.page-products .solutions-hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  color: var(--white);
}
.page-products .solutions-hero-kicker {
  margin: 0 0 0.85rem;
}
.page-products .solutions-hero h1 {
  max-width: 20em;
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4.5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--white);
  overflow-wrap: break-word;
}
.page-products .solutions-hero-lead {
  max-width: 46em;
  margin: 0 0 1.75rem;
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.84);
}
.page-products .solutions-feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pf-gap);
  margin-top: 0.5rem;
  width: 100%;
}
.page-products .solutions-feature-item {
  position: relative;
  padding: 1.5rem 1.5rem 1.625rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(212, 175, 55, 0.4);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
  transition: transform 300ms ease, filter 300ms ease, background 300ms ease;
}
.page-products .solutions-feature-item:hover {
  transform: translateY(-4px);
  filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.32));
  background: rgba(255, 255, 255, 0.12);
}
.page-products .solutions-feature-index {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--secondary-gold);
}
.page-products .solutions-feature-index::before {
  content: "";
  display: block;
  width: 2rem;
  height: 2px;
  background: var(--secondary-gold);
}
.page-products .solutions-feature-title {
  margin: 0.75rem 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 900;
  line-height: 1.3;
  color: var(--white);
}
.page-products .solutions-feature-item p {
  margin: 0 0 1.25rem;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.78);
}
.page-products .solutions-feature-item .btn-outline {
  border: 1px solid var(--secondary-gold);
  color: var(--secondary-gold);
}
.page-products .solutions-feature-item .btn-outline:hover {
  background: var(--secondary-gold);
  color: var(--primary);
}

/* 区块通用标签 */
.page-products .solutions-band-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.75rem;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--secondary-gold);
}
.page-products .solutions-band-label::before {
  content: "";
  display: block;
  width: 2.5rem;
  height: 2px;
  background: var(--secondary-gold);
}
.page-products .solutions-band-label--red {
  color: var(--accent-red);
}
.page-products .solutions-band-label--red::before {
  background: var(--accent-red);
}
.page-products .solutions-rule-copy h2,
.page-products .solutions-venue-card h2,
.page-products .solutions-league-copy h2,
.page-products .solutions-download-header h2,
.page-products .solutions-versions-header h2 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.625rem, 3vw, 2.375rem);
  font-weight: 900;
  line-height: 1.2;
}

/* 规则对照说明 */
.page-products .solutions-rule-band {
  position: relative;
  padding: var(--pf-band-pad);
  background: var(--cream-white);
}
.page-products .solutions-rule-band::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg, var(--secondary-gold) 0%, var(--secondary-gold) 42%, var(--accent-red) 42%, var(--accent-red) 48%, var(--secondary-gold) 48%, var(--secondary-gold) 100%);
}
.page-products .solutions-rule-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}
.page-products .solutions-rule-copy .solutions-band-lead {
  max-width: 42em;
  margin: 0 0 1.25rem;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--ink-gray);
}
.page-products .solutions-category-intro {
  margin: 0 0 0.75rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--primary);
}
.page-products .solutions-category-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  margin: 0 0 1.75rem;
}
.page-products .solutions-category-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.85rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
  background: var(--white);
  border: 1px solid var(--line-blue);
  border-radius: 999px;
  transition: background 300ms ease, color 300ms ease, border-color 300ms ease;
}
.page-products .solutions-category-pill:hover {
  background: var(--primary);
  color: var(--secondary-gold);
  border-color: var(--primary);
}
.page-products .solutions-rule-points {
  display: grid;
  gap: 0.75rem;
  list-style: none;
  margin: 0 0 1.75rem;
  padding: 0;
}
.page-products .solutions-rule-points li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--ink-gray);
}
.page-products .solutions-rule-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.625rem;
  height: 0.625rem;
  background: var(--secondary-gold);
  transform: rotate(45deg);
}
.page-products .solutions-rule-visual {
  position: relative;
  margin: 0;
}
.page-products .solutions-rule-visual img {
  display: block;
  width: 100%;
  height: auto;
  filter: saturate(0.92) contrast(1.04);
  clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 0 100%);
}
.page-products .solutions-rule-visual figcaption {
  margin-top: 0.75rem;
  font-size: 0.8125rem;
  text-align: right;
  color: #6b7280;
}

/* 场馆信息查询 */
.page-products .solutions-venue-band {
  position: relative;
  padding: 5.5rem 0;
  overflow: hidden;
  color: var(--white);
}
.page-products .solutions-venue-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.page-products .solutions-venue-bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-products .solutions-venue-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 31, 68, 0.5) 0%, rgba(10, 31, 68, 0.82) 100%);
}
.page-products .solutions-venue-inner {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: flex-start;
}
.page-products .solutions-venue-card {
  max-width: 34rem;
  padding: 1.75rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 22px 100%, 0 calc(100% - 22px));
}
.page-products .solutions-venue-card p {
  margin: 0 0 1rem;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.85);
}
.page-products .solutions-venue-card .solutions-venue-note {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  color: var(--secondary-gold);
}
.page-products .solutions-venue-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin: 1.5rem 0;
}
.page-products .solutions-stat-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 1rem 0.875rem;
  background: rgba(255, 255, 255, 0.08);
  border-left: 3px solid var(--secondary-gold);
}
.page-products .solutions-stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  line-height: 1;
  color: var(--secondary-gold);
}
.page-products .solutions-stat-label {
  margin-top: 0.4rem;
  font-size: 0.75rem;
  line-height: 1.4;
  color: rgba(255, 255, 255, 0.75);
}

/* 联赛专题与数据 */
.page-products .solutions-league-band {
  position: relative;
  padding: var(--pf-band-pad);
  overflow: hidden;
  background: var(--primary);
  color: var(--white);
}
.page-products .solutions-league-band::before {
  content: "";
  position: absolute;
  top: 0;
  right: -6%;
  width: 62%;
  height: 100%;
  background: linear-gradient(135deg, transparent 0%, var(--deep-blue-2) 100%);
  z-index: 0;
}
.page-products .solutions-league-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}
.page-products .solutions-league-visual {
  position: relative;
}
.page-products .solutions-league-visual::after {
  content: "";
  position: absolute;
  inset: 1rem -1rem -1rem 1rem;
  border: 2px solid rgba(212, 175, 55, 0.6);
  z-index: -1;
}
.page-products .solutions-league-visual img {
  display: block;
  width: 100%;
  height: auto;
  transform: rotate(-1.5deg);
  border: 1px solid rgba(212, 175, 55, 0.55);
  box-shadow: var(--shadow-card);
}
.page-products .solutions-league-copy p {
  max-width: 40em;
  margin: 0 0 1.25rem;
  font-size: 1rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.82);
}
.page-products .solutions-league-metrics {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin: 0 0 1.75rem;
}
.page-products .solutions-metric-item {
  padding-top: 0.85rem;
  border-top: 2px solid var(--secondary-gold);
}
.page-products .solutions-metric-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 900;
  line-height: 1.1;
  color: var(--secondary-gold);
}
.page-products .solutions-metric-item span {
  display: block;
  margin-top: 0.3rem;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.7);
}
.page-products .solutions-league-band .btn-outline {
  border: 1px solid var(--secondary-gold);
  color: var(--secondary-gold);
}
.page-products .solutions-league-band .btn-outline:hover {
  background: var(--secondary-gold);
  color: var(--primary);
}

/* 资料下载中心 */
.page-products .solutions-download-band {
  padding: var(--pf-band-pad);
  background: var(--cream-white);
}
.page-products .solutions-download-header {
  max-width: 42em;
  margin-bottom: 2rem;
}
.page-products .solutions-download-header p {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--ink-gray);
}
.page-products .solutions-download-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
.page-products .solutions-download-card {
  display: grid;
  grid-template-rows: auto 1fr;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line-blue);
  transition: box-shadow 300ms ease, transform 300ms ease;
}
.page-products .solutions-download-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.page-products .solutions-download-card img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-products .solutions-download-card > div {
  padding: 1.5rem;
}
.page-products .solutions-download-card h3 {
  margin: 0.5rem 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--primary);
}
.page-products .solutions-download-card p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--ink-gray);
}
.page-products .solutions-download-list {
  display: grid;
  gap: 1rem;
}
.page-products .solutions-download-item {
  padding: 1.25rem 1.5rem;
  background: var(--white);
  border-left: 4px solid var(--secondary-gold);
  box-shadow: 0 2px 8px rgba(10, 31, 68, 0.08);
  transition: transform 300ms ease, box-shadow 300ms ease;
}
.page-products .solutions-download-item:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-card);
}
.page-products .solutions-download-item h3 {
  margin: 0.5rem 0 0.25rem;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 900;
  color: var(--primary);
}
.page-products .solutions-download-item p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--ink-gray);
}

/* 版本演进 */
.page-products .solutions-versions-section {
  position: relative;
  padding: var(--pf-band-pad);
  overflow: hidden;
  background: var(--primary-deep);
  color: var(--white);
}
.page-products .solutions-versions-section::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(to right, rgba(74, 111, 165, 0.18) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(74, 111, 165, 0.18) 1px, transparent 1px);
  background-size: 36px 36px;
}
.page-products .solutions-versions-header,
.page-products .solutions-timeline,
.page-products .solutions-versions-foot {
  position: relative;
  z-index: 1;
}
.page-products .solutions-timeline {
  position: relative;
  list-style: none;
  margin: 2.25rem 0 0;
  padding: 0;
}
.page-products .solutions-timeline::before {
  content: "";
  position: absolute;
  left: 0.75rem;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 2px;
  background: var(--secondary-gold);
  opacity: 0.55;
}
.page-products .solutions-timeline-item {
  position: relative;
  margin-bottom: 1.5rem;
  padding-left: 2.5rem;
}
.page-products .solutions-timeline-item::before {
  content: "";
  position: absolute;
  left: 0.2rem;
  top: 1.5rem;
  width: 0.9rem;
  height: 0.9rem;
  border-radius: 50%;
  background: var(--secondary-gold);
  box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.22);
}
.page-products .solutions-timeline-year {
  display: inline-flex;
  margin-bottom: 0.5rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--secondary-gold);
}
.page-products .solutions-timeline-detail {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
}
.page-products .solutions-timeline-detail summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  font-weight: 700;
  color: var(--white);
  cursor: pointer;
  list-style: none;
}
.page-products .solutions-timeline-detail summary::-webkit-details-marker {
  display: none;
}
.page-products .solutions-timeline-detail summary::after {
  content: "+";
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--secondary-gold);
  transition: transform 300ms ease, color 300ms ease;
}
.page-products .solutions-timeline-detail[open] summary::after {
  content: "−";
  color: var(--white);
}
.page-products .solutions-timeline-detail summary:hover {
  color: var(--secondary-gold);
}
.page-products .solutions-timeline-detail p {
  margin: 0;
  padding: 0 1.25rem 1.25rem;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.8);
}
.page-products .solutions-versions-foot {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(212, 175, 55, 0.35);
}
.page-products .solutions-versions-foot p {
  max-width: 44em;
  margin: 0 0 1.25rem;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.78);
}
.page-products .solutions-versions-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.page-products .solutions-versions-actions .btn-outline {
  border: 1px solid var(--secondary-gold);
  color: var(--secondary-gold);
}
.page-products .solutions-versions-actions .btn-outline:hover {
  background: var(--secondary-gold);
  color: var(--primary);
}

/* 平板与大屏布局 */
@media (min-width: 640px) {
  .page-products {
    --pf-pad: 2rem;
  }
  .page-products .solutions-venue-stats {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-products .solutions-league-metrics {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 768px) {
  .page-products {
    --pf-gap: 2rem;
  }
  .page-products .solutions-feature-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }
  .page-products .solutions-feature-item:nth-child(1) {
    grid-column: span 5;
  }
  .page-products .solutions-feature-item:nth-child(2) {
    grid-column: span 7;
  }
  .page-products .solutions-feature-item:nth-child(3) {
    grid-column: span 7;
  }
  .page-products .solutions-feature-item:nth-child(4) {
    grid-column: span 5;
  }
  .page-products .solutions-venue-card {
    padding: 2.25rem;
  }
}

@media (min-width: 992px) {
  .page-products {
    --pf-band-pad: 7rem 0;
  }
  .page-products .solutions-rule-layout {
    grid-template-columns: 7fr 5fr;
    gap: 4rem;
  }
  .page-products .solutions-league-layout {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }
  .page-products .solutions-download-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: stretch;
  }
  .page-products .solutions-timeline::before {
    left: 50%;
    transform: translateX(-50%);
  }
  .page-products .solutions-timeline-item {
    width: 50%;
    margin-bottom: 2rem;
    padding-left: 0;
    padding-right: 3rem;
  }
  .page-products .solutions-timeline-item::before {
    left: auto;
    right: -0.45rem;
    top: 1.5rem;
  }
  .page-products .solutions-timeline-item:nth-child(even) {
    margin-left: 50%;
    padding-left: 3rem;
    padding-right: 0;
  }
  .page-products .solutions-timeline-item:nth-child(even)::before {
    left: -0.45rem;
    right: auto;
  }
  .page-products .solutions-versions-actions {
    gap: 1rem;
  }
}