/* ============ 业务中心 /business/ ============ */
.page-products {
  background: var(--ink);
  color: var(--text);
  overflow-x: hidden;
}

/* ---- 封面区 ---- */
.page-products .product-hero {
  position: relative;
  padding-block: clamp(5.5rem, 11vw, 8.5rem) clamp(2.25rem, 5vw, 3.5rem);
  border-bottom: 1px solid var(--line);
}

.page-products .product-hero__inner {
  max-width: 54rem;
  margin-top: 1.6rem;
}

.page-products .product-hero__title {
  margin: 0.7rem 0 1.1rem;
  font-size: clamp(31px, 5.2vw, 64px);
  line-height: 1.05;
  letter-spacing: 0.005em;
  font-weight: 600;
  color: var(--text);
}

.page-products .product-hero__lede {
  margin: 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .hero-metrics {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: clamp(2rem, 4vw, 3rem) 0 0;
  padding: 0;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
}

.page-products .hero-metrics__item {
  margin: 0;
  padding: 1.05rem 1.2rem;
  background: var(--ink-2);
  min-width: 0;
}

.page-products .hero-metrics dt {
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-products .hero-metrics dd {
  margin: 0.4rem 0 0;
  font-family: var(--font-mono);
  font-size: clamp(21px, 2.8vw, 29px);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--mint);
}

/* ---- 章节骨架 ---- */
.page-products .section {
  padding-block: clamp(3rem, 7vw, 5.5rem);
  border-bottom: 1px solid var(--line);
}

.page-products .section-head {
  display: grid;
  gap: 0.6rem;
  margin: 0 0 clamp(1.5rem, 3.5vw, 2.6rem);
  max-width: 46rem;
}

.page-products .index-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--signal);
}

.page-products .section-head__title {
  margin: 0;
  font-size: clamp(23px, 3vw, 34px);
  line-height: 1.18;
  font-weight: 600;
  letter-spacing: 0.005em;
  color: var(--text);
}

.page-products .section-head__note {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 42ch;
}

/* ---- 对照式双栏 ---- */
.page-products .split__grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 2.6rem);
  align-items: start;
}

.page-products .split__lead {
  margin: 0 0 1.5rem;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text);
  max-width: 40ch;
}

.page-products .frame {
  margin: 0;
}

.page-products .frame__media {
  max-width: 100%;
}

/* ---- 三步流程 ---- */
.page-products .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.1rem;
}

.page-products .steps__item {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  padding-bottom: 1.1rem;
  border-bottom: 1px solid var(--line);
}

.page-products .steps__item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-products .steps__num {
  grid-area: 1 / 1 / 3 / 2;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--signal);
  padding-top: 0.3rem;
}

.page-products .steps__title {
  grid-area: 1 / 2 / 2 / 3;
  margin: 0 0 0.3rem;
  font-size: 16.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text);
}

.page-products .steps__body {
  grid-area: 2 / 2 / 3 / 3;
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---- 订阅面板 ---- */
.page-products .subscribe-panel {
  display: grid;
  gap: 1.15rem;
  padding: clamp(0.85rem, 2.5vw, 1.4rem);
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
}

.page-products .subscribe-panel__shot {
  margin: 0;
}

.page-products .subscribe-panel__filters {
  margin: 0;
}

.page-products .chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-products .chip {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--muted);
  font: inherit;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  padding: 0.42rem 0.88rem;
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-products .chip:hover {
  color: var(--text);
  border-color: var(--idle);
}

.page-products .chip[aria-pressed="true"] {
  color: var(--ink);
  background: var(--signal);
  border-color: var(--signal);
}

.page-products .step-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .step-track::before {
  content: "";
  position: absolute;
  top: 13px;
  left: 12%;
  right: 12%;
  height: 2px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--cyan-a), var(--signal));
  opacity: 0.5;
}

.page-products .step-track__item {
  position: relative;
  display: grid;
  justify-items: center;
  gap: 0.45rem;
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.page-products .step-track__num {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--ink-2);
  border: 1px solid var(--idle);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--idle);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-products .step-track__item.is-on .step-track__num {
  border-color: var(--signal);
  background: var(--green-deep);
  color: var(--mint);
}

.page-products .sub-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}

.page-products .sub-card {
  display: grid;
  align-content: start;
  gap: 0.35rem;
  padding: 1.05rem 1.1rem;
  background: var(--ink-2);
  transition: background 0.2s var(--ease);
}

.page-products .sub-card:hover {
  background: var(--panel);
}

.page-products .sub-card[hidden],
.page-products .sub-card.is-hidden {
  display: none;
}

.page-products .sub-card__tag {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-products .sub-card__name {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text);
}

.page-products .sub-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
}

.page-products .sub-card__meta {
  margin: 0.25rem 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--mint);
}

/* ---- 球队库四维筛选 ---- */
.page-products .dimension-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .dimension {
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}

.page-products .dimension__title {
  margin: 0 0 0.3rem;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--mint);
}

.page-products .dimension__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 36ch;
}

/* ---- 联赛覆盖与数据颗粒度 ---- */
.page-products .coverage__grid {
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
}

.page-products .coverage-bars {
  display: grid;
  gap: 0.95rem;
  margin: 0 0 1.1rem;
}

.page-products .coverage-bar {
  display: grid;
  grid-template-columns: 3.2rem minmax(0, 1fr) 2.2rem;
  align-items: center;
  gap: 0.8rem;
}

.page-products .coverage-bar__label {
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-products .coverage-bar__track {
  display: block;
  height: 6px;
  border-radius: 99px;
  background: var(--idle);
  overflow: hidden;
}

.page-products .coverage-bar__fill {
  display: block;
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--cyan-a), var(--cyan-b));
}

.page-products .coverage-bar__fill--football {
  width: 58.3%;
}

.page-products .coverage-bar__fill--basketball {
  width: 41.7%;
}

.page-products .coverage-bar__val {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--mint);
  text-align: right;
}

.page-products .coverage__note {
  margin: 0 0 1.5rem;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .coverage__media {
  margin: 0;
}

.page-products .coverage__media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-card);
  border: 1px solid var(--line);
}

/* ---- 折叠组 ---- */
.page-products .fold-list {
  display: grid;
  border-top: 1px solid var(--line);
}

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

.page-products .fold__head {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-products .fold__trigger {
  display: grid;
  grid-template-columns: 1.5rem minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.8rem;
  width: 100%;
  padding: 1.15rem 0;
  background: none;
  border: 0;
  color: var(--text);
  font: inherit;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-align: left;
  cursor: pointer;
  transition: color 0.2s var(--ease);
}

.page-products .fold__trigger:hover {
  color: var(--mint);
}

.page-products .fold__text {
  min-width: 0;
}

.page-products .fold__tag {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.22rem 0.62rem;
  white-space: nowrap;
}

.page-products .fold__body {
  padding: 0 0 1.2rem 2.3rem;
}

.page-products .fold__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 48ch;
}

.page-products .field-fold {
  margin-top: 0.5rem;
}

.page-products .field-fold .fold__trigger {
  padding: 0.95rem 0;
  font-size: 15px;
}

.page-products .field-detail {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-products .field-detail li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  padding-bottom: 0.55rem;
  border-bottom: 1px dashed var(--line);
  font-size: 13.5px;
  color: var(--muted);
}

.page-products .field-detail .mono {
  font-family: var(--font-mono);
  color: var(--mint);
}

/* ---- 跨端 ---- */
.page-products .devices__shot {
  margin: 0 0 clamp(1.5rem, 3.5vw, 2.5rem);
}

.page-products .device-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
}

.page-products .device-card {
  display: grid;
  align-content: start;
  gap: 0.4rem;
  padding: 1.3rem 1.25rem;
  background: var(--ink-2);
}

.page-products .device-card__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--signal);
}

.page-products .device-card__title {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.page-products .device-card__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .devices__note {
  margin: 1.5rem 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .devices__note a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid var(--green-deep);
  transition: border-color 0.2s var(--ease);
}

.page-products .devices__note a:hover {
  border-color: var(--signal);
}

/* ---- 统计修订 ---- */
.page-products .revision-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .revision {
  padding: 1.05rem 0;
  border-bottom: 1px solid var(--line);
}

.page-products .revision__time {
  display: block;
  margin-bottom: 0.35rem;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--signal);
}

.page-products .revision__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 40ch;
}

/* ---- 使用场景 ---- */
.page-products .persona-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

.page-products .persona {
  display: grid;
  align-content: start;
  gap: 0.55rem;
  padding: 1.4rem 1.3rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: linear-gradient(180deg, rgba(16, 27, 54, 0.92), rgba(11, 18, 38, 0.92));
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-products .persona:hover {
  transform: translateY(-3px);
  border-color: var(--green-deep);
}

.page-products .persona__badge {
  justify-self: start;
  padding: 0.25rem 0.66rem;
  border-radius: 999px;
  background: var(--green-deep);
  color: var(--mint);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.page-products .persona__title {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
}

.page-products .persona__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---- 开始 ---- */
.page-products .start {
  border-bottom: 0;
  background:
    radial-gradient(120% 100% at 100% 0%, rgba(35, 211, 255, 0.13), transparent 62%),
    var(--ink-2);
}

.page-products .start__inner {
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: start;
}

.page-products .start__title {
  margin: 0.6rem 0 0.9rem;
  font-size: clamp(24px, 3.2vw, 36px);
  line-height: 1.16;
  font-weight: 600;
  color: var(--text);
}

.page-products .start__desc {
  margin: 0 0 1.6rem;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 40ch;
}

.page-products .start__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-products .start__contact {
  padding: clamp(1.2rem, 3vw, 1.75rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: rgba(5, 7, 15, 0.55);
}

.page-products .start__contact-title {
  margin: 0 0 1rem;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--signal);
}

.page-products .contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.page-products .contact-list li {
  display: grid;
  grid-template-columns: 3.2rem minmax(0, 1fr);
  gap: 0.75rem;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text);
}

.page-products .contact-list li span:last-child {
  min-width: 0;
  overflow-wrap: break-word;
}

.page-products .contact-list__key {
  padding-top: 0.1rem;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-products .start__note {
  margin: 1.25rem 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---- 响应式 ---- */
@media (min-width: 620px) {
  .page-products .hero-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 760px) {
  .page-products .hero-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-products .persona-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
  }
}

@media (min-width: 920px) {
  .page-products .split__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(2rem, 4.5vw, 4rem);
  }

  .page-products .split__grid--reverse {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-products .coverage__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: clamp(2rem, 5vw, 4.5rem);
  }

  .page-products .start__inner {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }
}

@media (max-width: 560px) {
  .page-products .steps__item {
    grid-template-columns: 2.2rem minmax(0, 1fr);
  }

  .page-products .fold__trigger {
    grid-template-columns: 1.25rem minmax(0, 1fr);
    row-gap: 0.4rem;
  }

  .page-products .fold__tag {
    grid-column: 2;
    justify-self: start;
  }

  .page-products .fold__body {
    padding-left: 2rem;
  }

  .page-products .contact-list li {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .chip,
  .page-products .sub-card,
  .page-products .persona,
  .page-products .fold__trigger,
  .page-products .step-track__num,
  .page-products .devices__note a {
    transition-duration: 0.01ms;
  }

  .page-products .persona:hover {
    transform: none;
  }
}