.page-products {
  --pp-gutter: clamp(1rem, 3vw, 2rem);
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-white);
  line-height: 1.7;
  overflow-x: hidden;
}

/* ========== 首屏 Hero ========== */
.pp-hero {
  position: relative;
  color: var(--color-white);
  background:
    linear-gradient(120deg, rgba(0, 200, 224, 0.16) 0%, rgba(0, 200, 224, 0) 42%),
    linear-gradient(100deg, var(--color-deep-blue) 0%, #0e2a52 55%, #132f5c 100%);
  padding: calc(var(--header-height) + 2.5rem) var(--pp-gutter) 3.5rem;
  overflow: hidden;
}

.pp-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.pp-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2rem;
}

.pp-hero__index {
  display: inline-block;
  font-family: var(--font-number);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-cyan);
  border: 1px solid rgba(0, 200, 224, 0.5);
  background: rgba(0, 200, 224, 0.08);
  padding: 0.35rem 0.7rem;
  margin-bottom: 1.25rem;
}

.pp-hero h1 {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  max-width: 13em;
}

.pp-hero__lead {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.86);
  max-width: 38em;
  margin-bottom: 2rem;
}

.pp-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 2rem;
}

.pp-hero__stat {
  border-left: 2px solid var(--color-cyan);
  padding-left: 0.8rem;
}

.pp-hero__num {
  display: block;
  font-family: var(--font-number);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.2;
}

.pp-hero__label {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
}

.pp-hero__visual {
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.06);
  padding: 0.75rem;
}

.pp-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
}

.pp-hero__badge {
  position: absolute;
  bottom: -12px;
  left: 16px;
  background: var(--color-orange);
  color: var(--color-white);
  font-family: var(--font-number);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  padding: 0.4rem 0.8rem;
  border-radius: 2px;
}

/* ========== 01 功能总览 ========== */
.pp-overview__layout {
  display: grid;
  gap: 2rem;
  margin-top: 2.5rem;
}

.pp-overview__intro p {
  font-size: 0.95rem;
  color: var(--color-graphite);
  max-width: 34em;
  margin-bottom: 1.5rem;
}

.pp-overview__filter .filter-bar {
  margin-bottom: 1.25rem;
}

.pp-feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.pp-feature {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 1.25rem;
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}

.pp-feature::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--color-cyan);
}

.pp-feature--wide::before {
  background: var(--color-orange);
}

.pp-feature:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-float);
}

.pp-feature__index {
  display: block;
  font-family: var(--font-number);
  font-size: 0.78rem;
  color: var(--color-cyan);
  letter-spacing: 0.1em;
  margin-bottom: 0.3rem;
}

.pp-feature h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
}

.pp-feature p {
  font-size: 0.88rem;
  color: var(--color-graphite);
  margin-bottom: 1rem;
}

/* ========== 02 赛事中心导航 ========== */
.pp-navmart__layout {
  display: grid;
  gap: 2rem;
  margin-top: 2.5rem;
}

.pp-navmart__panel {
  background: var(--color-snow);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 1.25rem;
}

.pp-navmart__panel .filter-bar {
  margin-bottom: 1rem;
}

.pp-match-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.pp-match {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.75rem 1rem;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.pp-match:hover {
  border-color: var(--color-cyan);
  box-shadow: var(--shadow-card);
}

.pp-match__code {
  font-family: var(--font-number);
  font-size: 0.75rem;
  color: var(--color-cyan);
  border: 1px solid var(--color-border);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  white-space: nowrap;
}

.pp-match__body h3 {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0;
}

.pp-match__body p {
  font-size: 0.75rem;
  color: var(--color-graphite);
  margin: 0.1rem 0 0;
}

.pp-navmart__note {
  margin: 1.25rem 0 0;
  font-size: 0.8rem;
  color: var(--color-graphite);
  border-top: 1px dashed var(--color-border);
  padding-top: 1rem;
}

.pp-navmart__visual img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 0.25rem;
  background: var(--color-white);
}

/* ========== 03 实时数据服务 ========== */
.pp-realtime {
  position: relative;
}

.pp-realtime::before {
  content: "";
  position: absolute;
  width: 280px;
  height: 280px;
  right: -120px;
  bottom: -120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 200, 224, 0.18), transparent 65%);
  pointer-events: none;
}

.pp-realtime__layout {
  display: grid;
  gap: 2rem;
  margin-top: 2.5rem;
}

.pp-realtime__visual img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-card);
  padding: 0.25rem;
  background: rgba(255, 255, 255, 0.06);
}

.pp-realtime__interval {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  padding: 1.25rem;
  border-radius: var(--radius-card);
}

.pp-realtime__interval-time {
  flex-shrink: 0;
  font-family: var(--font-number);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--color-cyan);
  line-height: 1;
}

.pp-realtime__interval-time small {
  font-size: 1rem;
  margin-left: 0.15rem;
}

.pp-realtime__interval h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-white);
  margin: 0 0 0.4rem;
}

.pp-realtime__interval p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.78);
  margin: 0;
}

.pp-realtime__log {
  margin-top: 1rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-card);
  padding: 1.25rem;
}

.pp-realtime__log h4 {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-white);
  margin: 0 0 0.75rem;
}

.pp-realtime__log ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.pp-realtime__log li {
  display: flex;
  gap: 0.75rem;
  align-items: baseline;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.82);
}

.pp-realtime__log li span {
  font-family: var(--font-number);
  color: var(--color-cyan);
  font-size: 0.75rem;
  white-space: nowrap;
  min-width: 3rem;
}

.pp-realtime__metrics {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

/* ========== 04 赛后复盘 ========== */
.pp-review__layout {
  display: grid;
  gap: 2rem;
  margin-top: 2.5rem;
}

.pp-review__lead h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  color: var(--color-ink);
}

.pp-review__lead p {
  font-size: 0.9rem;
  color: var(--color-graphite);
  max-width: 34em;
  margin: 0;
}

.pp-review__toc {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
  padding: 1rem;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 8px;
}

.pp-review__toc a {
  font-family: var(--font-number);
  font-size: 0.8rem;
  color: var(--color-deep-blue);
  text-decoration: none;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 0.35rem 0.7rem;
  transition: color var(--transition), border-color var(--transition);
}

.pp-review__toc a:hover {
  color: var(--color-cyan);
  border-color: var(--color-cyan);
}

.pp-review__chapters {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.pp-review__chapters section {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1rem;
}

.pp-review__chapters h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.3rem;
}

.pp-review__chapters p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-graphite);
}

.pp-review__cover {
  position: relative;
}

.pp-review__cover img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-card);
}

.pp-review__cover-index {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  font-family: var(--font-number);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  background: var(--color-deep-blue);
  color: var(--color-white);
  padding: 0.3rem 0.6rem;
  border-radius: 3px;
}

.pp-review__articles {
  margin-top: 1.25rem;
  display: grid;
  gap: 0.75rem;
}

.pp-review-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-cyan);
  border-radius: 8px;
  padding: 1rem;
}

.pp-review-item__index {
  font-family: var(--font-number);
  font-size: 0.7rem;
  color: var(--color-cyan);
  border: 1px dashed var(--color-border);
  border-radius: 4px;
  padding: 0.2rem 0.4rem;
  height: fit-content;
}

.pp-review-item h4 {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0 0 0.25rem;
}

.pp-review-item p {
  font-size: 0.82rem;
  color: var(--color-graphite);
  margin: 0;
}

/* ========== 05 移动端体验 ========== */
.pp-mobile__layout {
  display: grid;
  gap: 2rem;
  margin-top: 2.5rem;
}

.pp-mobile__visual {
  display: flex;
  justify-content: center;
}

.pp-mobile__frame {
  max-width: 300px;
  width: 100%;
  padding: 0.9rem;
  border-radius: 1.5rem;
  background: linear-gradient(140deg, var(--color-deep-blue), #173a6e);
  box-shadow: var(--shadow-float);
}

.pp-mobile__frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 0.75rem;
}

.pp-mobile__steps h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0 0 1rem;
}

.pp-mobile__steps ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.pp-mobile__steps li {
  display: grid;
  grid-template-columns: 2.4rem 1fr;
  gap: 0.75rem;
  align-items: start;
  font-size: 0.9rem;
  color: var(--color-graphite);
}

.pp-mobile__steps li span {
  font-family: var(--font-number);
  font-size: 0.8rem;
  text-align: center;
  background: var(--color-deep-blue);
  color: var(--color-white);
  border-radius: 4px;
  padding: 0.25rem 0;
}

.pp-mobile__features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
  margin-top: 1.5rem;
}

.pp-mobile__feature {
  background: var(--color-snow);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 1rem;
}

.pp-mobile__feature-index {
  font-family: var(--font-number);
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-orange);
}

.pp-mobile__feature h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  margin: 0.3rem 0 0.3rem;
}

.pp-mobile__feature p {
  font-size: 0.85rem;
  color: var(--color-graphite);
  margin: 0;
}

/* ========== 桌面端布局 ========== */
@media (min-width: 768px) {
  .pp-hero {
    padding-top: calc(var(--header-height) + 3rem);
  }

  .pp-hero__inner {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

  .pp-hero h1 {
    font-size: 2.3rem;
  }

  .pp-overview__layout {
    grid-template-columns: 0.85fr 1.4fr;
    gap: 2.5rem;
  }

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

  .pp-feature--wide {
    grid-column: span 2;
  }

  .pp-navmart__layout {
    grid-template-columns: 1.2fr 0.9fr;
    align-items: start;
  }

  .pp-navmart__panel {
    padding: 1.5rem;
  }

  .pp-realtime__layout {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: center;
    gap: 2.5rem;
  }

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

  .pp-review__layout {
    grid-template-columns: 1fr 1.05fr;
    gap: 2.5rem;
  }

  .pp-review__chapters {
    grid-template-columns: 1fr;
  }

  .pp-mobile__layout {
    grid-template-columns: 0.85fr 1.15fr;
    align-items: center;
    gap: 2.5rem;
  }

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

@media (min-width: 1024px) {
  .pp-hero {
    padding-top: calc(var(--header-height) + 4rem);
  }

  .pp-hero h1 {
    font-size: 2.75rem;
  }

  .pp-overview__layout {
    gap: 3rem;
  }
}