.page-products {
  --prod-rail-w: 252px;
  --prod-cut: 12px;
  padding-bottom: clamp(40px, 6vw, 84px);
}

.page-products .ky-breadcrumb {
  padding-top: clamp(16px, 3vw, 28px);
}

/* ===== 首屏 ===== */
.page-products .prod-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 5vw, 58px) 0 clamp(26px, 4vw, 44px);
  border-bottom: 1px solid var(--ky-line);
}

.page-products .prod-hero::after {
  content: "";
  position: absolute;
  inset: 0 0 0 auto;
  width: min(340px, 46vw);
  pointer-events: none;
  background:
    linear-gradient(135deg, transparent 46%, rgba(34, 211, 238, 0.16) 46%, rgba(34, 211, 238, 0.16) 50%, transparent 50%),
    linear-gradient(135deg, transparent 58%, rgba(255, 138, 61, 0.14) 58%, rgba(255, 138, 61, 0.14) 62%, transparent 62%);
}

.page-products .prod-hero__title {
  position: relative;
  z-index: 1;
  margin: 14px 0 16px;
  max-width: 20ch;
  font-family: var(--ky-font-display);
  font-size: clamp(32px, 6.6vw, 72px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.012em;
  color: var(--ky-text);
}

.page-products .prod-hero__lede {
  position: relative;
  z-index: 1;
  max-width: 62ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.78;
  color: var(--ky-text-2);
}

.page-products .prod-stats {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-stats__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  background: var(--ky-ink-800);
  border: 1px solid var(--ky-line);
  border-left: 3px solid var(--ky-cyan);
}

.page-products .prod-stats__num {
  font-size: clamp(26px, 5vw, 36px);
  line-height: 1;
}

.page-products .prod-stats__label {
  font-size: 12.5px;
  color: var(--ky-text-2);
  letter-spacing: 0.02em;
}

/* ===== 工具台双栏 ===== */
.page-products .prod-desk {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3vw, 40px);
  padding-top: clamp(28px, 4vw, 52px);
}

/* 左轨道 */
.page-products .prod-rail {
  padding: 18px;
  background: var(--ky-ink-800);
  border: 1px solid var(--ky-line);
}

.page-products .prod-rail::before {
  content: "";
  display: block;
  height: 3px;
  margin: -18px -18px 16px;
  background: linear-gradient(90deg, var(--ky-cyan), rgba(34, 211, 238, 0) 72%);
}

.page-products .prod-rail__eyebrow {
  margin: 0 0 12px;
  font-family: var(--ky-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ky-text-2);
}

.page-products .prod-rail__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-rail__row + .prod-rail__row {
  margin-top: 4px;
}

.page-products .prod-rail__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 10px 10px 12px;
  border-left: 2px solid var(--ky-line);
  color: var(--ky-text-2);
  font-size: 14px;
  line-height: 1.45;
  text-decoration: none;
  transition: border-color 0.22s var(--ky-ease), color 0.22s var(--ky-ease), background-color 0.22s var(--ky-ease);
}

.page-products .prod-rail__link:hover,
.page-products .prod-rail__link:focus-visible {
  border-left-color: var(--ky-cyan);
  background: rgba(34, 211, 238, 0.08);
  color: var(--ky-text);
}

.page-products .prod-rail__link:focus-visible {
  outline: 2px solid var(--ky-cyan);
  outline-offset: 2px;
}

.page-products .prod-rail__idx {
  font-family: var(--ky-font-mono);
  font-size: 11.5px;
  color: var(--ky-cyan);
}

.page-products .prod-rail__note {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--ky-line);
}

.page-products .prod-rail__note p {
  margin: 0 0 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ky-text-2);
}

/* ===== 右侧面板 ===== */
.page-products .prod-section {
  padding-bottom: clamp(30px, 4vw, 52px);
  margin-bottom: clamp(30px, 4vw, 52px);
  border-bottom: 1px solid var(--ky-line);
  scroll-margin-top: 88px;
}

.page-products .prod-section:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: 0;
}

.page-products .ky-section__head {
  max-width: 74ch;
}

.page-products .prod-subtitle {
  margin: 26px 0 12px;
  font-family: var(--ky-font-display);
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--ky-text);
}

/* 图 */
.page-products .prod-figure {
  margin: 22px 0 0;
  padding: 6px;
  background: var(--ky-ink-800);
  border: 1px solid var(--ky-line);
}

.page-products .prod-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .prod-figure figcaption {
  margin-top: 6px;
  padding: 10px 8px 6px;
  border-top: 1px solid var(--ky-line);
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--ky-text-2);
}

.page-products .prod-figure--square {
  margin-top: 0;
}

.page-products .prod-figure--compact {
  margin-top: 18px;
}

/* 表格 */
.page-products .prod-table-wrap {
  margin-top: 24px;
  overflow-x: auto;
  border: 1px solid var(--ky-line);
  background: var(--ky-ink-800);
}

.page-products .prod-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .prod-table__caption {
  padding: 12px 14px;
  text-align: left;
  font-family: var(--ky-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ky-text-2);
  border-bottom: 1px solid var(--ky-line);
}

.page-products .prod-table th {
  padding: 12px 14px;
  text-align: left;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  white-space: nowrap;
  color: var(--ky-text-2);
  background: var(--ky-ink-700);
  border-bottom: 1px solid var(--ky-line);
}

.page-products .prod-table td {
  padding: 13px 14px;
  color: var(--ky-text);
  border-bottom: 1px solid var(--ky-line);
  vertical-align: top;
}

.page-products .prod-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .prod-table tbody tr:hover {
  background: rgba(34, 211, 238, 0.05);
}

.page-products .prod-table__code {
  font-family: var(--ky-font-mono);
  font-weight: 600;
  color: var(--ky-text);
  white-space: nowrap;
}

.page-products .prod-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

/* 场馆赛区 */
.page-products .prod-venue-grid {
  margin-top: 8px;
}

.page-products .prod-zones {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-zones li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 13px 14px;
  background: var(--ky-ink-800);
  border: 1px solid var(--ky-line);
  border-bottom: 2px solid var(--ky-cyan-dim);
}

.page-products .prod-zones__name {
  font-size: 14px;
  color: var(--ky-text);
}

.page-products .prod-zones__num {
  font-size: 20px;
}

/* 对阵模板区 */
.page-products .prod-bracket {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 30px);
  margin-top: 22px;
}

.page-products .prod-feature-list {
  margin: 0;
}

.page-products .prod-feature-list .ky-list__item {
  display: flex;
  gap: 12px;
  padding: 13px 4px;
  border-bottom: 1px solid var(--ky-line);
}

.page-products .prod-feature-list .ky-list__item:last-child {
  border-bottom: 0;
}

.page-products .prod-feature-list__idx {
  flex: none;
  font-family: var(--ky-font-mono);
  font-size: 12px;
  color: var(--ky-cyan);
  padding-top: 2px;
}

.page-products .prod-feature-list strong {
  display: block;
  font-size: 15px;
  color: var(--ky-text);
}

.page-products .prod-feature-list p {
  margin: 5px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ky-text-2);
}

/* 对照面板 */
.page-products .prod-compare {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: 22px;
  background: var(--ky-line);
  border: 1px solid var(--ky-line);
}

.page-products .prod-compare__col {
  padding: 18px 16px;
  background: var(--ky-ink-800);
  border-left: 3px solid var(--ky-cyan-dim);
}

.page-products .prod-compare__col--amber {
  border-left-color: var(--ky-orange);
}

.page-products .prod-compare__label {
  margin: 0 0 8px;
  font-family: var(--ky-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ky-text-2);
}

.page-products .prod-compare__val {
  margin: 0;
  font-size: clamp(20px, 3vw, 26px);
}

.page-products .prod-compare__sub {
  margin: 7px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--ky-text-2);
}

/* 注册下载 */
.page-products .prod-access {
  margin-top: 22px;
}

.page-products .prod-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-products .prod-step {
  position: relative;
  padding: 18px 16px 18px 18px;
  background: var(--ky-ink-700);
  border: 1px solid var(--ky-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--prod-cut)), calc(100% - var(--prod-cut)) 100%, 0 100%);
}

.page-products .prod-step__num {
  display: block;
  font-size: 22px;
  margin-bottom: 8px;
}

.page-products .prod-step__title {
  margin: 0 0 6px;
  font-family: var(--ky-font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--ky-text);
}

.page-products .prod-step p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--ky-text-2);
}

.page-products .prod-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

/* ===== 滚动显现 ===== */
.page-products [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.55s var(--ky-ease), transform 0.55s var(--ky-ease);
}

.page-products [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ===== 平板 ===== */
@media (min-width: 720px) {
  .page-products .prod-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .prod-compare {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .prod-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ===== 桌面 ===== */
@media (min-width: 960px) {
  .page-products .prod-desk {
    grid-template-columns: var(--prod-rail-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .prod-rail {
    position: sticky;
    top: 24px;
  }

  .page-products .prod-bracket {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    align-items: start;
  }

  .page-products .prod-access {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: clamp(20px, 3vw, 32px);
    align-items: start;
  }

  .page-products .prod-figure--compact {
    margin-top: 0;
  }
}

@media (min-width: 1200px) {
  .page-products .prod-hero__title {
    max-width: 24ch;
  }
}

/* ===== 减少动态 ===== */
@media (prefers-reduced-motion: reduce) {
  .page-products [data-reveal] {
    transform: none;
    transition: opacity 0.2s linear;
  }

  .page-products .prod-rail__link {
    transition: none;
  }
}