/* ============ 栏目与工具 / 页面专属样式 ============ */
.page-products {
  --cut: 22px;
  --card-pad: clamp(18px, 2.4vw, 30px);
  --hair: rgba(46, 58, 77, 0.9);
}

/* ---------- 面包屑留白 ---------- */
.page-products .p-crumb {
  padding-top: clamp(14px, 2.6vw, 24px);
}

/* ---------- 首屏 ---------- */
.page-products .p-intro {
  padding-block: clamp(20px, 3.4vw, 38px) clamp(22px, 3.4vw, 40px);
}

.page-products .p-intro__grid {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  align-items: start;
}

.page-products .p-intro__kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-products .p-intro__title {
  margin: 0 0 14px;
  font-size: clamp(30px, 6.4vw, 56px);
  line-height: 1.04;
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--snow);
  font-stretch: 90%;
}

.page-products .p-intro__lead {
  margin: 0;
  max-width: 40em;
  font-size: clamp(14.5px, 1.6vw, 16.5px);
  line-height: 1.8;
  color: var(--mist);
}

.page-products .p-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .p-stats li {
  background: var(--slate);
  padding: 14px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.page-products .p-stat__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(22px, 3vw, 28px);
  line-height: 1;
  font-weight: 600;
  color: var(--sand);
}

.page-products .p-stat__unit {
  margin-left: 3px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 400;
  color: var(--mist);
}

.page-products .p-stat__label {
  font-size: 12px;
  line-height: 1.5;
  color: var(--mist);
}

/* ---------- 吸顶栏目索引 ---------- */
.page-products .p-index {
  position: sticky;
  top: var(--header-h);
  z-index: 4;
  background: rgba(11, 18, 32, 0.94);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

.page-products .p-index__inner {
  display: flex;
  gap: 2px;
  overflow-x: auto;
  padding-block: 8px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-products .p-index__inner::-webkit-scrollbar {
  display: none;
}

.page-products .p-index__link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 12px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  color: var(--mist);
  font-size: 13px;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

.page-products .p-index__link:hover,
.page-products .p-index__link:focus-visible {
  color: var(--snow);
  border-color: var(--cyan);
  background: rgba(38, 224, 214, 0.08);
}

.page-products .p-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--sand);
}

/* ---------- 错位研究板 ---------- */
.page-products .p-board {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(14px, 1.8vw, 22px);
  padding-block: clamp(26px, 4vw, 48px) clamp(20px, 3vw, 32px);
}

.page-products .p-card {
  grid-column: 1 / -1;
  position: relative;
  background: var(--slate);
  border: 1px solid var(--line);
  padding: var(--card-pad);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
  scroll-margin-top: calc(var(--header-h) + 68px);
  transition: border-color 0.2s ease;
}

.page-products .p-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 54px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), rgba(38, 224, 214, 0));
}

.page-products .p-card:hover {
  border-color: rgba(38, 224, 214, 0.42);
}

.page-products .p-card__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding-bottom: 14px;
  margin-bottom: 18px;
  border-bottom: 1px dashed var(--hair);
}

.page-products .p-card__num {
  flex: 0 0 auto;
  margin-top: 4px;
  padding-left: 8px;
  border-left: 2px solid var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  line-height: 1.35;
  color: var(--sand);
}

.page-products .p-card__title {
  margin: 0;
  font-size: clamp(19px, 2.5vw, 26px);
  line-height: 1.24;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--snow);
}

.page-products .p-card__sum {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.65;
  color: rgba(38, 224, 214, 0.9);
}

/* ---------- 卡片内四段结构 ---------- */
.page-products .p-facts {
  display: grid;
  gap: 14px;
  margin: 0;
}

.page-products .p-facts dt {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-products .p-facts dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(242, 246, 248, 0.85);
}

.page-products .p-card__foot {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px dashed var(--hair);
}

.page-products .p-card__link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13.5px;
  color: var(--cyan);
  text-decoration: none;
  transition: color 0.18s ease;
}

.page-products .p-arrow {
  transition: transform 0.2s ease;
}

.page-products .p-card__link:hover,
.page-products .p-card__link:focus-visible {
  color: var(--orange);
}

.page-products .p-card__link:hover .p-arrow,
.page-products .p-card__link:focus-visible .p-arrow {
  transform: translateX(4px);
}

/* ---------- 图片 ---------- */
.page-products .p-card__media {
  margin: 18px 0 0;
}

.page-products .p-card__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .p-card--sync .p-card__media {
  max-width: 280px;
}

/* ---------- 双栏分栏 ---------- */
.page-products .p-split {
  display: grid;
  gap: 20px;
}

/* ---------- 六章细则折叠 ---------- */
.page-products .p-panels {
  margin-top: 20px;
  border-top: 1px solid var(--line);
}

.page-products .p-panel {
  border-bottom: 1px solid var(--line);
}

.page-products .p-panel__toggle {
  display: flex;
  align-items: center;
  width: 100%;
  gap: 12px;
  padding: 13px 0;
  font-size: 14px;
}

.page-products .p-panel__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--sand);
}

.page-products .p-panel__name {
  flex: 1 1 auto;
  text-align: left;
}

.page-products .p-panel .panel-body {
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 导出格式 ---------- */
.page-products .p-formats {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.page-products .p-format {
  background: rgba(11, 18, 32, 0.6);
  border: 1px solid var(--line);
  border-left: 2px solid var(--line);
  padding: 14px 16px 16px;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.page-products .p-format--csv {
  border-left-color: var(--moss);
}

.page-products .p-format--xlsx {
  border-left-color: var(--clay);
}

.page-products .p-format--json {
  border-left-color: var(--sand);
}

.page-products .p-format:hover {
  background: rgba(19, 28, 43, 0.95);
}

.page-products .p-format__ext {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.1em;
  color: var(--snow);
}

.page-products .p-format__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 更新节拍 ---------- */
.page-products .p-rate {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .p-rate__item {
  background: var(--slate);
  padding: 16px 18px 18px;
}

.page-products .p-rate__key {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-products .p-rate__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(242, 246, 248, 0.85);
}

/* ---------- 底部通栏 ---------- */
.page-products .p-banner {
  padding-block: clamp(20px, 3vw, 40px) 0;
}

.page-products .p-banner .img-frame {
  margin: 0;
}

.page-products .p-banner img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 收束区 ---------- */
.page-products .p-outro {
  padding-block: clamp(34px, 5vw, 64px) clamp(50px, 7vw, 90px);
}

.page-products .p-outro__inner {
  display: grid;
  gap: 22px;
  align-items: center;
  border-top: 1px solid var(--line);
  padding-top: clamp(24px, 3vw, 36px);
}

.page-products .p-outro__title {
  margin: 0 0 10px;
  font-size: clamp(20px, 2.6vw, 28px);
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--snow);
}

.page-products .p-outro__text {
  margin: 0;
  max-width: 44em;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .p-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ============ 响应式 ============ */
@media (min-width: 560px) {
  .page-products .p-formats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 640px) {
  .page-products .p-facts {
    grid-template-columns: 108px minmax(0, 1fr);
    column-gap: 18px;
    row-gap: 16px;
  }

  .page-products .p-facts dt {
    padding-top: 5px;
    text-align: right;
  }
}

@media (min-width: 800px) {
  .page-products .p-outro__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 36px;
  }
}

@media (min-width: 900px) {
  .page-products .p-intro__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  }

  .page-products .p-card--standings {
    grid-column: 1 / span 7;
  }

  .page-products .p-card--rules {
    grid-column: 8 / span 5;
    margin-top: 32px;
  }

  .page-products .p-card--cn {
    grid-column: 1 / span 12;
  }

  .page-products .p-card--export {
    grid-column: 1 / span 6;
  }

  .page-products .p-card--sync {
    grid-column: 7 / span 6;
    margin-top: 32px;
  }

  .page-products .p-card--version {
    grid-column: 1 / span 12;
  }

  .page-products .p-split {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: clamp(20px, 3vw, 40px);
    align-items: start;
  }

  .page-products .p-rate {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .p-card,
  .page-products .p-index__link,
  .page-products .p-card__link,
  .page-products .p-arrow,
  .page-products .p-format {
    transition: none;
  }

  .page-products .p-card__link:hover .p-arrow {
    transform: none;
  }
}