.page-products {
  --pp-panel: rgba(18, 60, 49, 0.38);
  --pp-panel-soft: rgba(23, 224, 200, 0.05);
  --pp-num-col: 4.2rem;
}

/* ---------- 页头 ---------- */
.page-products .page-head {
  padding-top: clamp(26px, 4.5vw, 54px);
  padding-bottom: clamp(24px, 3.5vw, 44px);
}

.page-products .page-head .eyebrow {
  margin-top: 20px;
}

.page-products .page-head .display--1 {
  margin: 14px 0 0;
  max-width: 20em;
}

.page-products .page-head .lede {
  margin: 20px 0 0;
  max-width: 40em;
  color: var(--mist);
}

/* ---------- 章节小标题 ---------- */
.page-products .sec-head {
  max-width: 46em;
}

.page-products .sec-head .display--3 {
  margin: 12px 0 0;
}

.page-products .sec-head .section__lede {
  margin-top: 16px;
}

.page-products .subsection-title {
  margin: 0 0 16px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--cold);
}

/* ---------- 三个入口索引 ---------- */
.page-products .product-index {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .product-index__item {
  display: grid;
  grid-template-columns: var(--pp-num-col) minmax(0, 1fr);
  column-gap: clamp(12px, 2vw, 22px);
  row-gap: 8px;
  padding: clamp(20px, 3vw, 30px) 0;
  border-bottom: 1px solid var(--line);
}

.page-products .product-index__num {
  grid-row: 1 / span 3;
  align-self: start;
  font-size: 22px;
  line-height: 1.1;
  color: var(--cyan);
}

.page-products .product-index__name {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--cold);
}

.page-products .product-index__item p {
  margin: 0;
  max-width: 34em;
  color: var(--mist);
}

.page-products .product-index__who {
  font-size: 12px;
  color: var(--cyan-soft);
}

/* ---------- 资料库：导语 + 配图 ---------- */
.page-products .intro-split {
  display: grid;
  gap: clamp(24px, 4vw, 42px);
  margin-top: clamp(26px, 4vw, 40px);
}

.page-products .intro-split .lede {
  margin: 0;
  color: var(--cold);
}

.page-products .method-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}

.page-products .method-list li {
  display: grid;
  grid-template-columns: 6.5rem minmax(0, 1fr);
  gap: 6px 14px;
  padding: 12px 0;
  border-top: 1px solid var(--line-2);
  color: var(--mist);
  font-size: 15px;
}

.page-products .method-list__k {
  color: var(--cyan-soft);
  font-size: 13px;
}

.page-products .intro-split__media,
.page-products .field-split__media,
.page-products .client-figure,
.page-products .scene-split__media,
.page-products .board-visual__media {
  margin: 0;
}

.page-products .figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--mist);
}

/* ---------- 年龄段筛选 ---------- */
.page-products .band-filter {
  margin-top: clamp(30px, 5vw, 52px);
}

.page-products .band-filter__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.page-products .band-filter__label {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  padding: 7px 15px;
  border: 1px solid var(--line);
  color: var(--mist);
  cursor: pointer;
  transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

.page-products .band-filter__label:hover {
  color: var(--cyan-soft);
  border-color: var(--line-cyan);
}

.page-products #band-all:checked ~ .band-filter__bar label[for="band-all"],
.page-products #band-u12:checked ~ .band-filter__bar label[for="band-u12"],
.page-products #band-u14:checked ~ .band-filter__bar label[for="band-u14"],
.page-products #band-u16:checked ~ .band-filter__bar label[for="band-u16"] {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-products #band-u12:checked ~ .squad-grid .squad:not([data-band="u12"]),
.page-products #band-u14:checked ~ .squad-grid .squad:not([data-band="u14"]),
.page-products #band-u16:checked ~ .squad-grid .squad:not([data-band="u16"]) {
  display: none;
}

.page-products .squad-grid {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-products .squad {
  padding: 18px 18px 20px;
  background: var(--pp-panel);
  border: 1px solid var(--line);
  border-left: 2px solid var(--line-cyan);
}

.page-products .squad__code {
  display: block;
  font-size: 12px;
  color: var(--cyan);
}

.page-products .squad__name {
  margin: 8px 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--cold);
}

.page-products .squad__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 教练履历 ---------- */
.page-products .field-split {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  margin-top: clamp(34px, 5vw, 56px);
  padding-top: clamp(28px, 4vw, 40px);
  border-top: 1px solid var(--line-2);
}

.page-products .field-split__panel {
  min-width: 0;
}

.page-products .data-table caption {
  text-align: left;
  padding: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--mist);
  font-family: var(--font-mono);
}

.page-products .field-split .meta {
  margin-top: 14px;
  color: var(--mist);
}

/* ---------- 大屏战报 ---------- */
.page-products .board-visual {
  display: grid;
  gap: clamp(22px, 3.5vw, 36px);
  margin-top: clamp(28px, 4vw, 42px);
}

.page-products .screen-visual {
  padding: clamp(12px, 2vw, 20px);
  background: var(--grad-deep);
  border: 1px solid var(--line);
  box-shadow: 0 1px 0 rgba(23, 224, 200, 0.14) inset;
}

.page-products .screen-svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .fact-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  background: var(--line-2);
  border: 1px solid var(--line-2);
}

.page-products .fact-row__item {
  padding: 16px 18px;
  background: var(--ink);
}

.page-products .fact-row dt {
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-products .fact-row dd {
  margin: 8px 0 0;
  font-size: 15px;
  color: var(--cold);
}

.page-products .fact-row dd.mono {
  font-family: var(--font-mono);
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.page-products .round-table {
  margin-top: clamp(32px, 4.5vw, 52px);
}

.page-products .round-table .stamp {
  font-size: 11px;
}

/* ---------- 客户端 ---------- */
.page-products .client-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: clamp(26px, 4vw, 38px);
  background: var(--line-2);
  border: 1px solid var(--line-2);
}

.page-products .client {
  padding: clamp(20px, 3vw, 30px);
  background: var(--ink);
}

.page-products .client__tag {
  font-size: 12px;
  color: var(--amber);
  letter-spacing: 0.04em;
}

.page-products .client__name {
  margin: 12px 0 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--cold);
}

.page-products .client__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .client__env {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-2);
  font-size: 13px;
  color: var(--mist);
}

.page-products .version-block {
  margin-top: clamp(32px, 4.5vw, 50px);
}

.page-products .version-list {
  border-top: 1px solid var(--line);
}

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

.page-products .version-item summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  color: var(--cold);
}

.page-products .version-item summary::-webkit-details-marker {
  display: none;
}

.page-products .version-item summary::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cyan);
}

.page-products .version-item[open] summary::after {
  content: "－";
}

.page-products .version-item summary:hover {
  color: var(--cyan-soft);
}

.page-products .version-item p {
  margin: 0;
  padding: 0 0 18px;
  max-width: 40em;
  font-size: 15px;
  color: var(--mist);
}

.page-products .version-block .meta {
  margin-top: 16px;
  color: var(--mist);
}

.page-products .client-figure {
  margin-top: clamp(28px, 4vw, 44px);
}

/* ---------- 使用场景 ---------- */
.page-products .scene-split {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  margin-top: clamp(26px, 4vw, 38px);
}

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

.page-products .scene {
  padding: 20px 18px;
  background: var(--ink);
}

.page-products .scene__no {
  display: block;
  font-size: 12px;
  color: var(--cyan);
}

.page-products .scene__name {
  margin: 10px 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--cold);
}

.page-products .scene__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 服务与支持 ---------- */
.page-products .support-grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  margin-top: clamp(26px, 4vw, 38px);
}

.page-products .support-list {
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-products .support-list__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .support-list dt {
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-products .support-list dd {
  margin: 0;
  font-size: 16px;
  color: var(--cold);
  word-break: break-word;
}

.page-products .support-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}

.page-products .support-actions .btn {
  width: auto;
}

.page-products .support-actions .meta {
  margin: 0;
  max-width: 34em;
  color: var(--mist);
}

.page-products .support-actions__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 4px 0 0;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-products .squad-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-products .fact-row {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .support-list__row {
    grid-template-columns: 8rem minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-products .product-index {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .product-index__item {
    grid-template-columns: minmax(0, 1fr);
    row-gap: 10px;
    border-bottom: none;
    border-left: 1px solid var(--line);
    padding: 26px clamp(16px, 2.2vw, 30px) 30px;
  }

  .page-products .product-index__item:first-child {
    border-left: none;
    padding-left: 0;
  }

  .page-products .product-index__item:last-child {
    padding-right: 0;
  }

  .page-products .product-index__num {
    grid-row: auto;
  }

  .page-products .intro-split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-products .field-split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-products .board-visual {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

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

  .page-products .scene-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-products .support-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-products .squad-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .band-filter__label,
  .page-products .version-item summary {
    transition: none;
  }
}