.page-products {
  --pp-ink: #12261F;
  --pp-gap: clamp(20px, 3vw, 32px);
  background:
    repeating-linear-gradient(180deg, rgba(244, 246, 242, .022) 0 1px, transparent 1px 108px),
    radial-gradient(900px 520px at 82% -8%, rgba(184, 255, 60, .08), transparent 68%),
    var(--bb-night);
  color: var(--bb-mist);
  padding-bottom: clamp(40px, 6vw, 88px);
}

.page-products a:focus-visible {
  outline: 2px solid var(--bb-lime);
  outline-offset: 3px;
}

.page-products .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: clamp(18px, 3vw, 30px);
  font-size: 13px;
  color: var(--bb-sage);
}

.page-products .breadcrumb a {
  color: var(--bb-sage);
  text-decoration: none;
  transition: color 140ms var(--bb-ease);
}

.page-products .breadcrumb a:hover {
  color: var(--bb-lime);
}

.page-products .breadcrumb [aria-current="page"] {
  color: var(--bb-mist);
}

/* ---------- 首屏 ---------- */
.page-products .feat-hero {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  padding-block: clamp(22px, 4vw, 40px) clamp(36px, 5vw, 60px);
}

.page-products .feat-hero h1 {
  font-family: var(--bb-font-display);
  font-weight: 300;
  font-size: clamp(32px, 6.4vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 14px 0 18px;
  color: var(--bb-mist);
}

.page-products .feat-hero__lead {
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.78;
  color: rgba(244, 246, 242, .8);
  max-width: 46ch;
  margin: 0 0 22px;
}

.page-products .feat-hero__meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 0 0 26px;
  padding: 0;
  font-size: 13px;
  color: var(--bb-sage);
  letter-spacing: .02em;
}

.page-products .feat-hero__meta .num {
  font-family: var(--bb-font-mono);
  font-size: 18px;
  color: var(--bb-lime);
  font-variant-numeric: tabular-nums;
  margin-right: 4px;
}

.page-products .feat-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .feat-hero__visual {
  border: 1px solid var(--bb-line);
  border-radius: var(--bb-radius);
  background: var(--bb-deep);
  padding: clamp(10px, 2vw, 18px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, .34);
}

.page-products .feat-hero__svg {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 主体骨架 ---------- */
.page-products .feat-body {
  display: block;
}

.page-products .feat-index {
  margin-bottom: clamp(24px, 4vw, 36px);
}

.page-products .feat-index__list {
  list-style: none;
  display: flex;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0 0 6px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-products .feat-index__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 8px 14px;
  border: 1px solid var(--bb-line);
  border-radius: 999px;
  color: var(--bb-sage);
  font-size: 13px;
  text-decoration: none;
  transition: color 140ms var(--bb-ease), border-color 140ms var(--bb-ease);
}

.page-products .feat-index__list a:hover {
  color: var(--bb-mist);
  border-color: var(--bb-turf);
}

.page-products .feat-index__list .num {
  font-family: var(--bb-font-mono);
  font-size: 11px;
  color: var(--bb-lime);
  font-variant-numeric: tabular-nums;
}

.page-products .feat-main {
  display: flex;
  flex-direction: column;
  gap: var(--pp-gap);
  min-width: 0;
}

/* ---------- 功能卡片 ---------- */
.page-products .feat-card {
  border: 1px solid var(--bb-line);
  border-radius: var(--bb-radius);
  background: linear-gradient(180deg, rgba(47, 90, 69, .2), rgba(8, 23, 19, .72));
  padding: clamp(20px, 3.2vw, 34px);
  scroll-margin-top: 110px;
  transition: border-color 160ms var(--bb-ease), box-shadow 160ms var(--bb-ease);
}

.page-products .feat-card:hover {
  border-color: var(--bb-turf);
  box-shadow: 0 14px 32px rgba(0, 0, 0, .3);
}

.page-products .feat-card--plain {
  background: var(--bb-deep);
}

.page-products .feat-card h2 {
  font-family: var(--bb-font-display);
  font-weight: 400;
  font-size: clamp(24px, 3.6vw, 38px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  margin: 12px 0 16px;
  color: var(--bb-mist);
}

.page-products .feat-card h3,
.page-products .feat-sub {
  font-family: var(--bb-font-display);
  font-weight: 500;
  font-size: clamp(19px, 2.4vw, 24px);
  line-height: 1.3;
  margin: 28px 0 12px;
  color: var(--bb-mist);
}

.page-products .feat-lead {
  font-size: clamp(16px, 1.6vw, 17px);
  line-height: 1.8;
  color: rgba(244, 246, 242, .84);
  margin: 0 0 20px;
  max-width: 62ch;
}

.page-products .feat-card p {
  line-height: 1.8;
  color: rgba(244, 246, 242, .78);
  margin: 0 0 16px;
  max-width: 62ch;
}

.page-products .feat-note {
  font-size: 14px;
  line-height: 1.75;
  color: var(--bb-sage);
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--bb-line);
}

/* ---------- 字段表 ---------- */
.page-products .table-scroll {
  overflow-x: auto;
  border: 1px solid var(--bb-line);
  border-radius: var(--bb-radius-sm);
  background: rgba(8, 23, 19, .62);
}

.page-products .field-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-products .field-table th,
.page-products .field-table td {
  text-align: left;
  padding: 13px 14px;
  border-bottom: 1px solid var(--bb-line);
  vertical-align: top;
  line-height: 1.65;
}

.page-products .field-table thead th {
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--bb-sage);
  font-weight: 500;
  background: rgba(47, 90, 69, .22);
}

.page-products .field-table tbody tr:nth-child(even) {
  background: rgba(47, 90, 69, .13);
}

.page-products .field-table tbody tr:last-child td {
  border-bottom: none;
}

.page-products .field-table td:first-child {
  font-family: var(--bb-font-mono);
  font-size: 14px;
  color: var(--bb-lime);
  white-space: nowrap;
}

.page-products .field-table td:nth-child(2),
.page-products .field-table td:nth-child(3) {
  color: rgba(244, 246, 242, .8);
}

/* ---------- 联赛树 ---------- */
.page-products .tree-demo {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 22px;
}

.page-products .tree-node {
  border: 1px solid var(--bb-line);
  border-radius: var(--bb-radius-sm);
  background: rgba(8, 23, 19, .66);
}

.page-products .tree-node[open] {
  border-color: var(--bb-turf);
}

.page-products .tree-node summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 16px;
  cursor: pointer;
  font-size: 15px;
  color: var(--bb-mist);
  list-style: none;
}

.page-products .tree-node summary::-webkit-details-marker {
  display: none;
}

.page-products .tree-node summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--bb-font-mono);
  color: var(--bb-sage);
}

.page-products .tree-node[open] summary::after {
  content: "−";
  color: var(--bb-lime);
}

.page-products .tree-node summary .num {
  font-family: var(--bb-font-mono);
  font-size: 12px;
  color: var(--bb-lime);
  border: 1px solid var(--bb-line);
  border-radius: 4px;
  padding: 2px 7px;
  font-variant-numeric: tabular-nums;
}

.page-products .tree-node p {
  margin: 0;
  padding: 2px 16px 15px 16px;
  font-size: 15px;
  color: rgba(244, 246, 242, .76);
  max-width: 54ch;
}

/* ---------- 图片容器 ---------- */
.page-products .feat-figure {
  margin: 22px 0 0;
  border: 1px solid var(--bb-line);
  border-radius: var(--bb-radius);
  overflow: hidden;
  background: var(--bb-deep);
}

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

.page-products .feat-figure figcaption {
  padding: 11px 16px;
  font-size: 12.5px;
  color: var(--bb-sage);
  border-top: 1px solid var(--bb-line);
}

/* ---------- 补时字段列表 ---------- */
.page-products .field-list {
  display: grid;
  gap: 12px;
  margin: 0 0 20px;
}

.page-products .field-list__item {
  border: 1px solid var(--bb-line);
  border-left: 3px solid var(--bb-orange);
  border-radius: var(--bb-radius-sm);
  background: rgba(8, 23, 19, .6);
  padding: 14px 16px;
}

.page-products .field-list dt {
  font-family: var(--bb-font-display);
  font-size: 17px;
  font-weight: 500;
  color: var(--bb-mist);
  margin-bottom: 6px;
}

.page-products .field-list dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(244, 246, 242, .76);
}

/* ---------- 标签筛选预览 ---------- */
.page-products .tag-preview {
  margin: 8px 0 4px;
  padding: 16px 16px 18px;
  border: 1px dashed var(--bb-line);
  border-radius: var(--bb-radius-sm);
  background: rgba(47, 90, 69, .16);
}

.page-products .tag-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
}

.page-products .tag {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--bb-line);
  background: rgba(8, 23, 19, .7);
  font-size: 13px;
  color: var(--bb-sage);
}

.page-products .tag--lime {
  border-color: rgba(184, 255, 60, .5);
  color: var(--bb-lime);
}

.page-products .tag--area {
  border-color: rgba(255, 138, 61, .45);
  color: var(--bb-orange);
}

/* ---------- 移动端用法 ---------- */
.page-products .usage-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .usage-list li {
  padding: 14px 16px;
  border: 1px solid var(--bb-line);
  border-radius: var(--bb-radius-sm);
  background: rgba(8, 23, 19, .6);
  font-size: 15px;
  line-height: 1.72;
  color: rgba(244, 246, 242, .78);
}

.page-products .usage-list strong {
  color: var(--bb-lime);
  font-weight: 500;
  margin-right: 6px;
}

/* ---------- 时间轴 ---------- */
.page-products .timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-products .timeline li {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--bb-line);
}

.page-products .timeline li:last-child {
  border-bottom: none;
}

.page-products .timeline .num {
  font-family: var(--bb-font-mono);
  font-size: 14px;
  color: var(--bb-orange);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  padding-top: 2px;
}

.page-products .timeline h3 {
  font-family: var(--bb-font-display);
  font-size: 17px;
  font-weight: 500;
  margin: 0 0 6px;
  color: var(--bb-mist);
}

.page-products .timeline p {
  margin: 0;
  font-size: 15px;
  color: rgba(244, 246, 242, .76);
  max-width: 52ch;
}

/* ---------- 人群 ---------- */
.page-products .user-grid {
  display: grid;
  gap: 12px;
  margin-top: 6px;
}

.page-products .user-card {
  border: 1px solid var(--bb-line);
  border-radius: var(--bb-radius-sm);
  padding: 16px;
  background: linear-gradient(160deg, rgba(47, 90, 69, .24), rgba(8, 23, 19, .72));
  transition: border-color 160ms var(--bb-ease);
}

.page-products .user-card:hover {
  border-color: var(--bb-lime);
}

.page-products .user-card h3 {
  font-family: var(--bb-font-display);
  font-size: 18px;
  font-weight: 500;
  margin: 0 0 8px;
  color: var(--bb-lime);
}

.page-products .user-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(244, 246, 242, .78);
}

/* ---------- 沙色呼吸横幅 ---------- */
.page-products .feat-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--bb-sand);
  color: var(--pp-ink);
  border-radius: var(--bb-radius);
  padding: clamp(18px, 3vw, 26px);
}

.page-products .feat-banner__text {
  margin: 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.7;
  color: var(--pp-ink);
  max-width: 60ch;
}

.page-products .feat-banner .btn--sand {
  background: var(--pp-ink);
  color: var(--bb-sand);
  border-color: var(--pp-ink);
}

/* ---------- 结尾引导 ---------- */
.page-products .feat-cta {
  border: 1px solid var(--bb-line);
  border-radius: var(--bb-radius);
  padding: clamp(22px, 3.4vw, 36px);
  background: linear-gradient(120deg, rgba(184, 255, 60, .12), rgba(8, 23, 19, .8) 62%);
  scroll-margin-top: 110px;
}

.page-products .feat-cta h2 {
  font-family: var(--bb-font-display);
  font-weight: 400;
  font-size: clamp(22px, 3.2vw, 32px);
  line-height: 1.2;
  margin: 0 0 12px;
  color: var(--bb-mist);
}

.page-products .feat-cta p {
  margin: 0 0 20px;
  line-height: 1.78;
  color: rgba(244, 246, 242, .8);
  max-width: 58ch;
}

.page-products .feat-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 平板以上 ---------- */
@media (min-width: 700px) {
  .page-products .field-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

@media (min-width: 1000px) {
  .page-products .feat-hero {
    grid-template-columns: 5fr 7fr;
    align-items: center;
  }

  .page-products .feat-body {
    display: grid;
    grid-template-columns: 224px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 56px);
    align-items: start;
  }

  .page-products .feat-aside {
    position: sticky;
    top: 104px;
  }

  .page-products .feat-index {
    margin-bottom: 0;
  }

  .page-products .feat-index__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-products .feat-index__list a {
    display: flex;
    justify-content: flex-start;
    border: none;
    border-left: 2px solid var(--bb-line);
    border-radius: 0;
    padding: 10px 12px;
    font-size: 13.5px;
  }

  .page-products .feat-index__list a:hover {
    border-left-color: var(--bb-lime);
    background: rgba(47, 90, 69, .3);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .feat-card,
  .page-products .user-card,
  .page-products .feat-index__list a,
  .page-products .breadcrumb a {
    transition: none;
  }
}