.page-products {
  --pp-gap: 16px;
  --pp-cell-bg: rgba(22, 27, 38, .82);
}

/* ---------- 顶部与首屏 ---------- */
.page-products.pp-top,
.page-products .pp-top {
  padding-top: 24px;
}

.page-products .prod-hero {
  margin-top: 20px;
}

.page-products .prod-hero__grid {
  display: grid;
  gap: 26px;
}

.page-products .prod-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.06;
  font-size: clamp(2rem, 6.2vw, 4rem);
  margin: 12px 0 0;
  color: var(--text);
}

.page-products .prod-hero .lede {
  margin-top: 16px;
  max-width: 58ch;
  color: var(--text-2);
}

.page-products .prod-hero .btn-row {
  margin-top: 24px;
}

.page-products .hero-board {
  border: 1px solid var(--line-brand);
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, rgba(108, 43, 217, .22), rgba(11, 14, 20, .9) 62%);
  padding: 8px 6px;
}

.page-products .hero-board__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 16px;
  border-bottom: 1px dashed var(--line);
}

.page-products .hero-board__row:last-child {
  border-bottom: 0;
}

.page-products .hero-board__key {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--text-3);
}

.page-products .hero-board__val {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
}

.page-products .hero-board__val.num-glow {
  color: var(--data);
}

/* ---------- 通用小节头 ---------- */
.page-products .section-head {
  max-width: 64ch;
}

.page-products .section-head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -.02em;
  font-size: clamp(1.5rem, 3.4vw, 2.4rem);
  line-height: 1.2;
  margin: 12px 0 0;
  color: var(--text);
}

.page-products .section-sub,
.page-products .lede {
  margin-top: 14px;
  color: var(--text-2);
  line-height: 1.75;
}

/* ---------- 功能总览面板 ---------- */
.page-products .panel-stage {
  position: relative;
  margin-top: 30px;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--ink);
}

.page-products .panel-stage__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .2;
  filter: saturate(.75);
}

.page-products .panel-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 14, 20, .62), rgba(11, 14, 20, .94));
  pointer-events: none;
}

.page-products .panel-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
}

.page-products .panel-cell {
  background: var(--pp-cell-bg);
  padding: 22px 20px 24px;
  display: grid;
  gap: 10px;
  align-content: start;
  transition: background .2s ease;
}

.page-products .panel-cell:hover {
  background: rgba(108, 43, 217, .18);
}

.page-products .panel-cell__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.22rem;
  letter-spacing: -.01em;
  color: var(--text);
  margin: 0;
}

.page-products .panel-cell__desc {
  margin: 0;
  font-size: .94rem;
  line-height: 1.7;
  color: var(--text-2);
}

/* ---------- 筛选条 ---------- */
.page-products .filter-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 26px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-products .chip--filter {
  font: inherit;
  font-size: 13px;
  line-height: 1;
  padding: 9px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text-2);
  cursor: pointer;
  transition: border-color .2s ease, background .2s ease, color .2s ease;
}

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

.page-products .chip--filter[aria-pressed="true"],
.page-products .chip--filter.is-active {
  background: var(--brand);
  border-color: var(--line-cyan);
  color: var(--paper);
}

.page-products .chip--filter:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-products .filter-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--text-3);
}

/* ---------- 版本索引 + 清单 ---------- */
.page-products .ver-layout {
  display: grid;
  gap: 22px;
  margin-top: 26px;
}

.page-products .ver-index__title {
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--text-3);
  margin: 0 0 10px;
}

.page-products .ver-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-products .ver-index__list a {
  display: grid;
  place-items: center;
  width: 38px;
  height: 28px;
  font-family: var(--font-mono);
  font-size: 12px;
  text-decoration: none;
  color: var(--text-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-xs);
  transition: color .2s ease, border-color .2s ease, background .2s ease;
}

.page-products .ver-index__list a:hover,
.page-products .ver-index__list a:focus-visible {
  color: var(--data);
  border-color: var(--line-cyan);
  background: rgba(0, 229, 255, .08);
}

.page-products .ver-banner {
  margin: 0 0 16px;
  border-radius: var(--radius);
}

.page-products .ver-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .ver-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "no tag"
    "main main";
  gap: 10px 12px;
  padding: 16px 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  scroll-margin-top: 120px;
  transition: border-color .2s ease, background .2s ease;
}

.page-products .ver-item:hover {
  border-color: var(--line-cyan);
  background: var(--surface-2);
}

.page-products .ver-item:target {
  border-color: var(--cyan);
  box-shadow: inset 0 0 0 1px var(--data-glow);
}

.page-products .ver-no {
  grid-area: no;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--data);
}

.page-products .ver-tag {
  grid-area: tag;
  align-self: start;
}

.page-products .ver-main {
  grid-area: main;
}

.page-products .ver-title {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}

.page-products .ver-desc {
  margin: 6px 0 0;
  font-size: .92rem;
  line-height: 1.7;
  color: var(--text-3);
}

/* ---------- 客户端 ---------- */
.page-products .client-layout {
  display: grid;
  gap: 26px;
}

.page-products .client-layout h2 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -.02em;
  font-size: clamp(1.5rem, 3.4vw, 2.4rem);
  line-height: 1.2;
  margin: 12px 0 0;
  color: var(--text);
}

.page-products .client-scroll {
  margin-top: 24px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.page-products .client-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: .9rem;
}

.page-products .client-table caption {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.page-products .client-table th,
.page-products .client-table td {
  padding: 13px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  color: var(--text-2);
}

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

.page-products .client-table thead th {
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--text-3);
  background: rgba(108, 43, 217, .14);
  font-weight: 600;
}

.page-products .client-table tbody th {
  color: var(--text);
  font-weight: 600;
}

.page-products .client-table td.is-diff {
  color: var(--data);
  font-weight: 600;
}

.page-products .client-note {
  margin-top: 18px;
  font-size: .92rem;
  line-height: 1.75;
  color: var(--text-3);
}

/* ---------- 数据节奏 ---------- */
.page-products .data-layout {
  display: grid;
  gap: 30px;
}

.page-products .data-layout h2 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -.02em;
  font-size: clamp(1.5rem, 3.4vw, 2.4rem);
  line-height: 1.2;
  margin: 12px 0 0;
  color: var(--text);
}

.page-products .data-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-products .data-list li {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 16px;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1px dashed var(--line);
}

.page-products .data-list li:last-child {
  border-bottom: 0;
}

.page-products .data-num {
  font-size: 1.18rem;
  font-weight: 700;
}

.page-products .data-text {
  font-size: .94rem;
  line-height: 1.75;
  color: var(--text-2);
}

.page-products .data-visual {
  display: grid;
  gap: 18px;
}

.page-products .timeline-bar {
  width: 100%;
  height: auto;
  display: block;
}

/* ---------- 场景 ---------- */
.page-products .scene-stage {
  position: relative;
  margin-top: 30px;
  padding: 26px 18px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line-brand);
}

.page-products .scene-stage__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .26;
}

.page-products .scene-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(155deg, rgba(11, 14, 20, .82), rgba(63, 21, 128, .5));
  pointer-events: none;
}

.page-products .scene-flow {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 14px;
}

.page-products .scene {
  background: rgba(11, 14, 20, .74);
  border: 1px solid var(--line);
  border-left: 3px solid var(--brand);
  border-radius: var(--radius);
  padding: 20px 20px 22px;
  transition: border-color .2s ease, transform .2s ease;
}

.page-products .scene:hover {
  border-left-color: var(--cyan);
  transform: translateY(-3px);
}

.page-products .scene__idx {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--data);
}

.page-products .scene h3 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.16rem;
  color: var(--text);
}

.page-products .scene p {
  margin: 10px 0 0;
  font-size: .93rem;
  line-height: 1.75;
  color: var(--text-2);
}

/* ---------- 获取与更新 ---------- */
.page-products .get-steps {
  display: grid;
  gap: 16px;
  margin-top: 30px;
}

.page-products .get-step {
  position: relative;
  padding: 22px 20px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.page-products .get-step__no {
  font-size: 30px;
  font-weight: 800;
  line-height: 1;
  color: rgba(0, 229, 255, .55);
}

.page-products .get-step h3 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.14rem;
  color: var(--text);
}

.page-products .get-step p {
  margin: 10px 0 0;
  font-size: .93rem;
  line-height: 1.75;
  color: var(--text-2);
}

.page-products #get .btn-row {
  margin-top: 28px;
  flex-wrap: wrap;
}

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

  .page-products .ver-item {
    grid-template-columns: 92px minmax(0, 1fr) auto;
    grid-template-areas: "no main tag";
    align-items: start;
    gap: 14px;
    padding: 18px 22px;
  }

  .page-products .ver-no {
    padding-top: 2px;
  }
}

@media (min-width: 900px) {
  .page-products .prod-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
    gap: 40px;
  }

  .page-products .client-layout {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 40px;
    align-items: start;
  }

  .page-products .data-layout {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 44px;
    align-items: center;
  }

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

  .page-products .scene--b,
  .page-products .scene--d {
    margin-top: 34px;
  }

  .page-products .get-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-products .get-step:nth-child(2) {
    margin-top: 26px;
  }
}

@media (min-width: 1024px) {
  .page-products .panel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .ver-layout {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 36px;
    align-items: start;
  }

  .page-products .ver-index {
    position: sticky;
    top: 104px;
  }

  .page-products .ver-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
  }

  .page-products .ver-index__list a {
    width: 44px;
    height: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .scene,
  .page-products .panel-cell {
    transition: none;
  }

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