/* ==========================================================
   页面：产品与下载（.page-products）
   主题：数据场边看台 · 技能树功能全景 + 下载斜切面板
   ========================================================== */
.page-products {
  --p-glow-green: rgba(0, 255, 135, 0.18);
  --p-glow-blue: rgba(0, 229, 255, 0.14);
  --p-panel-radius: 3px 14px 3px 14px;
  background:
    linear-gradient(rgba(32, 50, 67, 0.28) 1px, transparent 1px),
    linear-gradient(90deg, rgba(32, 50, 67, 0.28) 1px, transparent 1px);
  background-size: 34px 34px;
}

.page-products img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-products .section-title {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

/* ---------- 区块导语 ---------- */
.p-section-head {
  margin-bottom: 1.75rem;
}

.p-section-head__kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue);
}

.p-section-head__kicker::before {
  content: "";
  display: inline-block;
  width: 26px;
  height: 2px;
  background: var(--green);
}

.p-section-head__desc {
  max-width: 46rem;
  margin: 0.5rem 0 0;
  color: var(--text-body);
  font-size: 0.95rem;
  line-height: 1.75;
}

/* ---------- 首屏 ---------- */
.p-hero {
  position: relative;
  padding: 2.5rem 0 3.25rem;
  overflow: hidden;
  background:
    radial-gradient(circle at 84% 18%, rgba(0, 229, 255, 0.14), transparent 42%),
    radial-gradient(circle at 10% 78%, rgba(0, 255, 135, 0.1), transparent 40%);
}

.p-hero::before {
  content: "";
  position: absolute;
  right: -6%;
  top: 8%;
  width: 230px;
  height: 230px;
  border: 1px solid rgba(0, 229, 255, 0.28);
  transform: rotate(28deg);
  pointer-events: none;
}

.p-hero::after {
  content: "";
  position: absolute;
  right: 4%;
  bottom: -12%;
  width: 120px;
  height: 120px;
  border: 1px dashed rgba(0, 255, 135, 0.25);
  transform: rotate(18deg);
  pointer-events: none;
}

.p-hero__crumb {
  margin-bottom: 1.75rem;
}

.p-hero__kicker {
  margin: 0 0 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  color: var(--green);
}

.p-hero__title {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.3rem, 7vw, 4.6rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--text-bright);
}

.p-hero__title strong {
  color: var(--green);
  font-weight: 900;
}

.p-hero__lead {
  max-width: 44em;
  margin: 0 0 1.75rem;
  color: var(--text-body);
  font-size: 1rem;
  line-height: 1.85;
}

.p-hero__lead em {
  font-style: normal;
  color: var(--blue);
  border-bottom: 1px solid rgba(0, 229, 255, 0.45);
}

.p-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.p-hero__btn-green {
  background: var(--green);
  border: 1px solid var(--green);
  color: var(--bg-deep);
  font-weight: 700;
  box-shadow: 0 0 0 1px rgba(0, 255, 135, 0.45), 0 8px 24px var(--p-glow-green);
}

.p-hero__btn-green:hover,
.p-hero__btn-green:focus-visible {
  background: var(--text-bright);
  border-color: var(--text-bright);
  color: var(--bg-deep);
  box-shadow: 0 0 0 4px rgba(0, 255, 135, 0.22);
}

.p-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin: 2.25rem 0 0;
  background: var(--border-grid);
  border: 1px solid var(--border-grid);
}

.p-hero__stat {
  margin: 0;
  background: var(--bg-panel);
  padding: 0.85rem 1rem;
}

.p-hero__stat dt {
  color: var(--text-body);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
}

.p-hero__stat dd {
  margin: 0.2rem 0 0;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-bright);
}

/* ---------- 功能全景 ---------- */
.p-features {
  padding: 3rem 0;
  background: linear-gradient(180deg, rgba(32, 50, 67, 0.08), transparent 24%);
}

.p-features__layout {
  display: grid;
  gap: 2rem;
}

@media (min-width: 1000px) {
  .p-features__layout {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 2.25rem;
    align-items: start;
  }
}

/* 技能树 */
.p-skilltree {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.p-skilltree__lines {
  display: none;
}

@media (min-width: 900px) {
  .p-skilltree {
    display: grid;
    grid-template-columns: 230px minmax(0, 1fr);
    grid-template-rows: repeat(6, auto);
    gap: 0.9rem 1.5rem;
    align-items: center;
  }

  .p-skilltree__lines {
    display: block;
    position: absolute;
    inset: 0;
    z-index: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
  }

  .p-skilltree__path {
    fill: none;
    stroke: var(--border-grid);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: stroke 200ms ease-out, opacity 200ms ease-out;
  }

  .p-skilltree:hover .p-skilltree__path {
    stroke: var(--blue);
    opacity: 0.9;
  }

  .p-node {
    position: relative;
    z-index: 1;
  }

  .p-node--root {
    grid-column: 1;
    grid-row: 1 / -1;
    align-self: center;
  }

  .p-node--n1 { grid-column: 2; grid-row: 1; }
  .p-node--n2 { grid-column: 2; grid-row: 2; }
  .p-node--n3 { grid-column: 2; grid-row: 3; }
  .p-node--n4 { grid-column: 2; grid-row: 4; }
  .p-node--n5 { grid-column: 2; grid-row: 5; }
  .p-node--n6 { grid-column: 2; grid-row: 6; }
}

.p-node {
  background: var(--bg-panel);
  border: 1px solid var(--border-grid);
  border-left: 3px solid var(--blue);
  border-radius: 2px 10px 2px 10px;
  padding: 1rem 1.1rem;
  transition: border-color 200ms ease-out, box-shadow 200ms ease-out, transform 200ms ease-out;
}

.p-node:hover {
  border-color: var(--green);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
}

.p-node--root {
  background:
    linear-gradient(135deg, rgba(0, 255, 135, 0.1), transparent 55%),
    var(--bg-panel);
  border-left: 3px solid var(--green);
  padding: 1.4rem 1.25rem;
}

.p-node--root:hover {
  border-color: var(--green);
}

.p-node--n5 {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.p-node__body {
  flex: 1 1 auto;
  min-width: 0;
}

.p-node__thumb {
  flex: 0 0 auto;
  width: 88px;
  height: 88px;
  border-radius: 4px 12px 4px 12px;
  border: 1px solid var(--border-grid);
  object-fit: cover;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

@media (min-width: 900px) {
  .p-node--n5 {
    gap: 1.25rem;
  }

  .p-node__thumb {
    width: 132px;
    height: 132px;
  }
}

.p-node__kicker {
  margin: 0 0 0.3rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--green);
}

.p-node__meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.3rem;
}

.p-node__idx {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--blue);
}

.p-node h3 {
  margin: 0 0 0.4rem;
  font-size: 1.06rem;
  font-weight: 800;
  line-height: 1.35;
  color: var(--text-bright);
}

.p-node p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.65;
  color: var(--text-body);
}

.p-node .p-node__summary {
  margin-top: 0.4rem;
}

.p-node .p-node__extra {
  margin-top: 0.65rem;
  padding-top: 0.65rem;
  border-top: 1px solid var(--border-grid);
  font-size: 0.8rem;
}

.p-features__mockup {
  margin: 0;
  border: 1px solid var(--border-grid);
  border-radius: 3px 16px 3px 16px;
  background: var(--bg-panel);
  padding: 0.65rem;
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.3);
}

.p-features__mockup img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: 2px 10px 2px 10px;
}

.p-features__mockup figcaption {
  padding: 0.6rem 0.2rem 0.1rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-body);
  letter-spacing: 0.04em;
}

/* ---------- 下载入口 ---------- */
.p-download {
  padding: 3.25rem 0;
}

.p-download__panel {
  position: relative;
  display: grid;
  gap: 1.5rem;
  background:
    linear-gradient(135deg, rgba(0, 229, 255, 0.06), transparent 34%),
    var(--bg-panel);
  border: 1px solid var(--border-grid);
  border-radius: var(--p-panel-radius);
  padding: 1.5rem 1.25rem;
  overflow: hidden;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
}

.p-download__panel::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 120px;
  height: 4px;
  background: linear-gradient(90deg, transparent, var(--green));
}

@media (min-width: 900px) {
  .p-download__panel {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 2.25rem;
    align-items: center;
    padding: 2.5rem 2.25rem;
  }
}

.p-download__visual img {
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border-radius: 2px 12px 2px 12px;
  border: 1px solid var(--border-grid);
}

.p-download .p-section-head {
  margin-bottom: 0.75rem;
}

.p-download__lead {
  margin: 0 0 1.25rem;
  color: var(--text-body);
  font-size: 0.92rem;
  line-height: 1.75;
}

.p-download__platforms {
  display: grid;
  gap: 0.7rem;
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
}

.p-download__platforms li {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  background: var(--bg-deep);
  border: 1px solid var(--border-grid);
  border-left: 3px solid var(--blue);
  border-radius: 2px 8px 2px 8px;
  padding: 0.8rem 0.9rem;
}

.p-download__platform {
  flex: 0 0 auto;
  min-width: 4.5em;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.86rem;
  color: var(--text-bright);
}

.p-download__platforms li span:last-child {
  color: var(--text-body);
  font-size: 0.84rem;
  line-height: 1.5;
}

.p-download__version {
  margin: 0 0 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--orange);
  border-left: 2px solid var(--orange);
  padding-left: 0.7rem;
}

.p-download__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.p-download__btn-primary {
  background: var(--green);
  border: 1px solid var(--green);
  color: var(--bg-deep);
  font-weight: 700;
  box-shadow: 0 0 0 1px rgba(0, 255, 135, 0.5), 0 10px 30px var(--p-glow-green);
}

.p-download__btn-primary:hover,
.p-download__btn-primary:focus-visible {
  background: var(--text-bright);
  border-color: var(--text-bright);
  color: var(--bg-deep);
  box-shadow: 0 0 0 4px rgba(0, 255, 135, 0.24);
}

/* ---------- 版本历史 ---------- */
.p-versions {
  padding: 3.25rem 0;
}

.p-versions .p-section-head__desc a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.4);
  transition: color 200ms ease-out, border-color 200ms ease-out;
}

.p-versions .p-section-head__desc a:hover,
.p-versions .p-section-head__desc a:focus-visible {
  color: var(--green);
  border-color: rgba(0, 255, 135, 0.5);
}

.p-versions__wall {
  margin: 0 0 2rem;
  border: 1px solid var(--border-grid);
  border-radius: 3px 14px 3px 14px;
  background: var(--bg-panel);
  padding: 0.5rem;
}

.p-versions__wall img {
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 3;
  object-fit: cover;
  border-radius: 2px 10px 2px 10px;
}

.p-versions__wall figcaption {
  padding: 0.5rem 0.2rem 0.1rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-body);
}

.p-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.p-timeline__item {
  position: relative;
  background: var(--bg-panel);
  border: 1px solid var(--border-grid);
  border-left: 3px solid var(--blue);
  border-radius: 2px 10px 2px 10px;
  padding: 1rem 1.1rem;
}

.p-timeline__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.35rem;
}

.p-timeline__ver {
  font-family: var(--font-mono);
  font-size: 1.28rem;
  font-weight: 700;
  color: var(--green);
  letter-spacing: -0.02em;
}

.p-timeline__item h3 {
  margin: 0 0 0.3rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-bright);
}

.p-timeline__item p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.65;
  color: var(--text-body);
}

@media (min-width: 900px) {
  .p-timeline {
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    padding-bottom: 0.9rem;
    scroll-snap-type: x proximity;
    scrollbar-width: thin;
    scrollbar-color: var(--border-grid) transparent;
  }

  .p-timeline__item {
    flex: 0 0 240px;
    min-height: 190px;
    scroll-snap-align: start;
  }
}

/* ---------- 数据导出说明 ---------- */
.p-export {
  padding: 3.25rem 0;
  background:
    radial-gradient(circle at 12% 90%, rgba(123, 97, 255, 0.08), transparent 36%),
    linear-gradient(180deg, transparent, rgba(32, 50, 67, 0.1) 70%);
}

.p-export__grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 900px) {
  .p-export__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 1.75rem;
    align-items: start;
  }
}

.p-export__figure {
  margin: 0;
  background: var(--bg-panel);
  border: 1px solid var(--border-grid);
  border-radius: 3px 14px 3px 14px;
  padding: 0.6rem;
}

.p-export__figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border-radius: 2px 10px 2px 10px;
}

.p-export__figure figcaption {
  padding: 0.5rem 0.2rem 0.1rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-body);
}

/* 终端演示 */
.p-terminal {
  background: #0b141d;
  border: 1px solid var(--border-grid);
  border-radius: var(--p-panel-radius);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.28), inset 0 0 0 1px rgba(0, 229, 255, 0.05);
  overflow: hidden;
}

.p-terminal__bar {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.65rem 0.9rem;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-grid);
}

.p-terminal__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px rgba(0, 255, 135, 0.7);
}

.p-terminal__title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--text-body);
}

.p-terminal__log {
  list-style: none;
  margin: 0;
  padding: 1rem;
  display: grid;
  gap: 0.8rem;
}

.p-terminal__log li {
  padding: 0.7rem 0.85rem;
  background: var(--bg-panel);
  border-left: 2px solid var(--green);
  border-radius: 2px 8px 2px 8px;
  transition: border-color 200ms ease-out, transform 200ms ease-out;
}

.p-terminal__log li:hover {
  border-color: var(--blue);
  transform: translateX(3px);
}

.p-terminal__log code {
  display: block;
  margin-bottom: 0.2rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--green);
}

.p-terminal__log span {
  display: block;
  color: var(--text-body);
  font-size: 0.82rem;
  line-height: 1.5;
}

/* 导出说明列表 */
.p-export__notes {
  margin-top: 1.75rem;
  background: var(--bg-panel);
  border: 1px solid var(--border-grid);
  border-radius: 2px 14px 2px 14px;
  padding: 1.4rem 1.4rem 1.1rem;
}

.p-export__notes h3 {
  margin: 0 0 0.9rem;
  color: var(--text-bright);
  font-size: 1.05rem;
}

.page-products .list-tick {
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
}

.page-products .list-tick li {
  position: relative;
  padding-left: 1.55rem;
  color: var(--text-body);
  font-size: 0.88rem;
  line-height: 1.65;
}

.page-products .list-tick li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--green);
  font-weight: 700;
}

.p-export__tip {
  margin: 1.1rem 0 0;
  color: var(--text-body);
  font-size: 0.88rem;
}

.p-export__tip a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.4);
  transition: color 200ms ease-out, border-color 200ms ease-out;
}

.p-export__tip a:hover,
.p-export__tip a:focus-visible {
  color: var(--green);
  border-color: rgba(0, 255, 135, 0.55);
}

/* ---------- 页内标签 ---------- */
.p-chip {
  display: inline-block;
  padding: 0.12rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--blue);
  background: rgba(0, 229, 255, 0.07);
  border: 1px solid rgba(0, 229, 255, 0.42);
  border-radius: 2px;
  white-space: nowrap;
}