/* ===== 必一体育产品与服务页专属样式 ===== */

.page-products {
  position: relative;
  background-color: var(--color-night);
  color: var(--color-snow);
}

.page-products::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 460px;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(circle at 82% 8%, rgba(232, 97, 42, 0.16), transparent 36%),
    radial-gradient(circle at 14% 20%, rgba(58, 124, 165, 0.14), transparent 42%),
    linear-gradient(110deg, transparent 55%, rgba(215, 177, 106, 0.07) 55%);
}

.page-products__cover,
.page-products__layout,
.page-products__outro {
  position: relative;
  z-index: 1;
}

/* 封面区 */
.page-products__cover {
  margin-bottom: clamp(2.2rem, 5vw, 3.8rem);
}

.page-products__title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5.4vw, 4.1rem);
  line-height: 1.18;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 1.1rem 0 1.2rem;
  max-width: 15em;
}

.page-products__title-sub {
  display: block;
  font-size: 0.5em;
  font-weight: 500;
  color: var(--color-banner);
  margin-top: 0.5em;
  letter-spacing: 0.02em;
}

.page-products__lead {
  max-width: 42rem;
  font-size: clamp(1rem, 1.35vw, 1.12rem);
  line-height: 1.85;
  color: rgba(247, 243, 235, 0.86);
  margin: 0 0 1.7rem;
}

.page-products__meta {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.page-products__meta li {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  padding: 0.48rem 0.95rem;
  border-radius: var(--radius-pill);
  color: var(--color-snow);
  background: rgba(58, 124, 165, 0.16);
  border: 1px solid rgba(58, 124, 165, 0.5);
}

/* 主体布局 */
.page-products__layout {
  display: grid;
  gap: 2rem;
}

.page-products__main {
  min-width: 0;
}

/* 页面目录索引 */
.page-products__index {
  align-self: start;
  border-radius: var(--radius);
  background: rgba(15, 30, 44, 0.66);
  border: 1px solid rgba(215, 177, 106, 0.2);
  padding: 1.4rem 1.2rem 1.2rem;
}

.page-products__index-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin: 0 0 1rem;
  color: var(--color-banner);
}

.page-products__index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.35rem;
}

.page-products__index-item {
  margin: 0;
}

.page-products__index-link {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.45rem 0.55rem;
  border-radius: var(--radius-sm);
  color: var(--color-snow);
  text-decoration: none;
  border: 1px solid transparent;
  transition: color var(--ease), background-color var(--ease), border-color var(--ease);
}

.page-products__index-link:hover,
.page-products__index-link:focus-visible {
  color: var(--color-flame);
  background: rgba(232, 97, 42, 0.1);
  border-color: rgba(232, 97, 42, 0.3);
}

.page-products__index-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-lake);
}

.page-products__index-note {
  font-size: 0.75rem;
  line-height: 1.6;
  color: var(--color-rock);
  border-top: 1px solid rgba(215, 177, 106, 0.18);
  padding-top: 0.9rem;
  margin: 1.1rem 0 0;
}

/* 深色研究板卡片 */
.research-block,
.research-details {
  scroll-margin-top: 6rem;
}

.research-block {
  display: grid;
  gap: 1.25rem;
  margin-bottom: clamp(2rem, 4vw, 2.8rem);
  padding: 1.5rem 1.2rem;
  border-radius: var(--radius);
  background: rgba(15, 30, 44, 0.72);
  border: 1px solid rgba(215, 177, 106, 0.16);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
  transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
}

.research-block:hover {
  transform: translateY(-2px);
  border-color: rgba(232, 97, 42, 0.6);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.32);
}

.research-block__index {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  height: fit-content;
  border-left: 3px solid var(--color-flame);
  padding-left: 0.75rem;
}

.research-block__num {
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 1;
  color: var(--color-flame);
}

.research-block__kind {
  font-family: var(--font-body);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--color-rock);
  text-transform: uppercase;
}

.research-block__body {
  display: grid;
  gap: 1.4rem;
  min-width: 0;
}

.research-block__text {
  min-width: 0;
}

.research-block__heading {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  line-height: 1.3;
  margin: 0 0 0.6rem;
}

.research-block__heading::before {
  content: "";
  display: inline-block;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--color-flame);
  margin-right: 0.7rem;
  vertical-align: 0.25rem;
}

.research-block__summary {
  color: rgba(247, 243, 235, 0.85);
  line-height: 1.75;
  max-width: 46rem;
  margin: 0;
}

/* 旁注卡片 */
.research-block__side {
  display: grid;
  gap: 1rem;
}

.research-block__evidence,
.research-block__further {
  border-radius: var(--radius-sm);
  padding: 1rem 1.1rem;
  background: rgba(11, 26, 42, 0.55);
  border: 1px solid rgba(58, 124, 165, 0.26);
}

.research-block__further {
  border-color: rgba(181, 106, 69, 0.3);
}

.research-block__subtitle {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--color-banner);
  margin: 0 0 0.6rem;
  text-transform: uppercase;
}

.evidence-list,
.further-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.4rem;
}

.evidence-list li,
.further-list li {
  font-size: 0.85rem;
  line-height: 1.6;
  color: rgba(247, 243, 235, 0.82);
  padding-left: 1rem;
  position: relative;
}

.evidence-list li::before,
.further-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--color-lake);
}

.further-list a {
  color: var(--color-lake);
  text-decoration: none;
  border-bottom: 1px solid rgba(58, 124, 165, 0.35);
  transition: color var(--ease), border-color var(--ease);
}

.further-list a:hover,
.further-list a:focus-visible {
  color: var(--color-flame);
  border-bottom-color: var(--color-flame);
}

/* 区块图片 */
.research-block__media {
  display: block;
  margin: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid rgba(247, 243, 235, 0.1);
  background: rgba(11, 26, 42, 0.4);
}

.research-block__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.research-block__media figcaption {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.6;
  color: var(--color-rock);
  padding: 0.7rem 1rem;
  background: rgba(11, 26, 42, 0.6);
}

/* 12项指标矩阵 */
.stats-matrix {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem;
  padding: 1rem;
  border-radius: var(--radius-sm);
  background: rgba(11, 26, 42, 0.7);
  border: 1px solid rgba(215, 177, 106, 0.18);
}

.stats-matrix__item {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.55rem 0.7rem;
  border-radius: calc(var(--radius-sm) / 1.5);
  background: rgba(247, 243, 235, 0.04);
  border: 1px solid transparent;
  transition: border-color var(--ease), background-color var(--ease);
}

.stats-matrix__item:hover {
  border-color: rgba(232, 97, 42, 0.4);
  background: rgba(232, 97, 42, 0.08);
}

.stats-matrix__index {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-rock);
}

.stats-matrix__name {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--color-snow);
  letter-spacing: 0.01em;
}

/* 旧版入口切换 */
.legacy-toggle {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.8rem;
  padding: 1rem 1.1rem;
  border-radius: var(--radius-sm);
  background: rgba(79, 111, 82, 0.28);
  border: 1px solid rgba(181, 106, 69, 0.35);
}

.legacy-toggle__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--color-banner);
  text-transform: uppercase;
}

.legacy-toggle__control {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
}

.legacy-toggle__input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.legacy-toggle__track {
  display: inline-flex;
  align-items: center;
  width: 42px;
  height: 24px;
  border-radius: var(--radius-pill);
  background: rgba(106, 122, 136, 0.6);
  transition: background-color var(--ease);
}

.legacy-toggle__knob {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-snow);
  transform: translateX(4px);
  transition: transform var(--ease), background-color var(--ease);
}

.legacy-toggle__input:checked + .legacy-toggle__track {
  background: var(--color-clay);
}

.legacy-toggle__input:checked + .legacy-toggle__track .legacy-toggle__knob {
  transform: translateX(22px);
  background: var(--color-snow);
}

.legacy-toggle__input:focus-visible + .legacy-toggle__track {
  outline: 2px solid var(--color-flame);
  outline-offset: 3px;
}

.legacy-toggle__caption {
  font-size: 0.85rem;
}

.legacy-toggle__hint {
  flex-basis: 100%;
  font-size: 0.75rem;
  color: var(--color-rock);
  margin: 0;
}

/* 大屏引导块 */
.bigscreen-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.9rem;
  padding: 1.1rem 1.2rem;
  border-radius: var(--radius-sm);
  background: linear-gradient(120deg, rgba(232, 97, 42, 0.14), rgba(58, 124, 165, 0.1));
  border: 1px solid rgba(232, 97, 42, 0.28);
}

.bigscreen-banner__lead {
  width: 100%;
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--color-banner);
  margin: 0;
}

.bigscreen-banner__note {
  width: 100%;
  font-size: 0.78rem;
  color: var(--color-rock);
  margin: 0.2rem 0 0;
}

/* 导出命令 */
.export-command {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.8rem;
  padding: 1.1rem 1.2rem;
  border-radius: var(--radius-sm);
  background: rgba(47, 158, 99, 0.08);
  border: 1px solid rgba(47, 158, 99, 0.3);
}

.export-command__note {
  font-size: 0.78rem;
  color: var(--color-rock);
}

/* 折叠面板 */
.research-details {
  border-radius: var(--radius-sm);
  background: rgba(247, 243, 235, 0.05);
  border: 1px solid rgba(58, 124, 165, 0.24);
  padding: 0.2rem 1rem;
}

.research-details summary {
  cursor: pointer;
  padding: 0.85rem 0;
  font-family: var(--font-display);
  color: var(--color-banner);
  transition: color var(--ease);
}

.research-details summary:hover,
.research-details summary:focus-visible {
  color: var(--color-flame);
}

.research-details__list {
  margin: 0;
  padding: 0 0 0.9rem 1.2rem;
  color: rgba(247, 243, 235, 0.8);
  line-height: 1.7;
  font-size: 0.88rem;
}

/* 底部联系聚合 */
.page-products__outro {
  margin-top: clamp(2.5rem, 6vw, 4rem);
  padding: clamp(1.6rem, 4vw, 3rem);
  border-radius: var(--radius);
  background: linear-gradient(120deg, rgba(58, 124, 165, 0.16), rgba(232, 97, 42, 0.12));
  border: 1px solid rgba(215, 177, 106, 0.3);
  text-align: center;
}

.page-products__outro-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.6vw, 2.4rem);
  margin: 0 0 0.8rem;
}

.page-products__outro-text {
  max-width: 34rem;
  margin: 0 auto 1.4rem;
  color: rgba(247, 243, 235, 0.85);
  line-height: 1.75;
}

.page-products__outro-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.8rem;
}

/* ===== 响应式增强 ===== */
@media (min-width: 640px) {
  .stats-matrix {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products__meta li {
    font-size: 0.78rem;
  }
}

@media (min-width: 820px) {
  .research-block {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 1.5rem;
    padding: 1.8rem 1.6rem 1.6rem;
  }

  .research-block__num {
    font-size: 2.4rem;
  }
}

@media (min-width: 1024px) {
  .page-products__layout {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 2.5rem;
    align-items: start;
  }

  .page-products__index {
    position: sticky;
    top: 2rem;
    grid-column: 2;
    grid-row: 1;
  }

  .page-products__main {
    grid-column: 1;
    grid-row: 1;
  }
}

@media (min-width: 1200px) {
  .stats-matrix {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .research-block__body {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 290px;
    gap: 1.5rem 2rem;
    align-items: start;
  }

  .research-block__text,
  .stats-matrix,
  .legacy-toggle,
  .bigscreen-banner,
  .export-command,
  .research-details {
    grid-column: 1;
  }

  .research-block__side {
    grid-column: 2;
  }

  .research-block__media {
    grid-column: 1 / -1;
  }

  .page-products__index {
    top: 5.5rem;
  }
}