.page-products {
  --prd-accent: var(--clr-purple-accent);
  --prd-glow: rgba(0, 229, 255, 0.14);
  background: var(--clr-deep-blue);
  color: var(--clr-white);
}

/* ========== 首屏产品英雄 ========== */
.page-products .products-hero {
  display: grid;
  gap: var(--space-6);
  padding-top: var(--space-5);
  padding-bottom: var(--space-7);
  position: relative;
}

.page-products .products-hero__content {
  position: relative;
  z-index: 2;
}

.page-products .products-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(28px, 6vw, 46px);
  line-height: 1.12;
  font-style: italic;
  letter-spacing: -0.02em;
  margin: var(--space-4) 0 var(--space-4);
  max-width: 12em;
}

.page-products .products-hero h1 .h1-break {
  display: block;
  font-style: normal;
  color: var(--clr-electric-green);
  font-size: 0.6em;
  letter-spacing: 0;
  margin-top: 10px;
}

.page-products .products-hero__lead {
  color: var(--clr-muted-silver);
  font-size: 16px;
  line-height: 1.8;
  max-width: 46em;
  margin: 0 0 var(--space-5);
}

.page-products .products-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* ========== 首屏设备视觉 ========== */
.page-products .products-hero__visual {
  position: relative;
  min-height: 240px;
}

.page-products .device-stack {
  position: relative;
  min-height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.page-products .device-stack::before {
  content: "";
  position: absolute;
  inset: 14px 0;
  background: var(--prd-glow);
  filter: blur(28px);
  transform: skewX(-12deg);
  border-radius: 24px;
  z-index: 0;
}

.page-products .device-stack__phone {
  position: relative;
  width: 100px;
  height: 198px;
  border-radius: 18px;
  border: 2px solid rgba(0, 229, 255, 0.5);
  background:
    linear-gradient(180deg, rgba(0, 255, 170, 0.08), transparent 30%),
    var(--clr-panel-blue);
  transform: rotate(-6deg);
  z-index: 2;
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.45);
  padding: 22px 9px 9px;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.page-products .device-stack__notch {
  position: absolute;
  top: 7px;
  left: 50%;
  width: 38px;
  height: 5px;
  transform: translateX(-50%);
  background: var(--clr-deep-blue);
  border-radius: 4px;
}

.page-products .device-stack__signal {
  display: block;
  height: 8px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--clr-electric-green), rgba(0, 255, 170, 0.25));
}

.page-products .device-stack__signal:nth-child(2) {
  width: 92%;
}

.page-products .device-stack__signal:nth-child(3) {
  width: 74%;
  background: linear-gradient(90deg, rgba(0, 229, 255, 0.9), rgba(0, 229, 255, 0.25));
}

.page-products .device-stack__signal--alt {
  width: 82%;
  background: linear-gradient(90deg, var(--clr-signal-orange), rgba(255, 94, 58, 0.2));
}

.page-products .device-stack__signal:nth-child(5) {
  width: 60%;
}

.page-products .device-stack__signal:nth-child(6) {
  width: 68%;
}

.page-products .device-stack__monitor {
  position: relative;
  width: 220px;
  height: 150px;
  border-radius: 8px;
  border: 2px solid rgba(0, 229, 255, 0.45);
  background:
    linear-gradient(135deg, rgba(122, 90, 248, 0.16), transparent 45%),
    var(--clr-panel-blue);
  transform: rotate(4deg);
  z-index: 3;
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.5);
  padding: 26px 12px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow: hidden;
}

.page-products .device-stack__bar {
  height: 10px;
  border-radius: 5px;
  background: rgba(0, 255, 170, 0.55);
}

.page-products .device-stack__bar--short {
  width: 62%;
  background: rgba(0, 229, 255, 0.55);
}

.page-products .device-stack__bar:nth-child(3) {
  width: 80%;
  background: rgba(255, 94, 58, 0.4);
}

.page-products .device-stack__flow {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 4;
  pointer-events: none;
}

@media (min-width: 700px) {
  .page-products .products-hero {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
  }

  .page-products .device-stack {
    min-height: 300px;
  }
}

@media (min-width: 1024px) {
  .page-products .products-hero h1 {
    font-size: 48px;
  }

  .page-products .device-stack__phone {
    width: 116px;
    height: 226px;
  }

  .page-products .device-stack__monitor {
    width: 260px;
    height: 170px;
  }
}

/* ========== 章节标题 ========== */
.page-products .section-head {
  display: grid;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  max-width: 720px;
}

.page-products .section-head__num {
  font-family: var(--font-heading);
  color: var(--clr-signal-orange);
  margin-right: var(--space-2);
}

.page-products .section-head h2 {
  font-family: var(--font-heading);
  font-size: clamp(24px, 4vw, 36px);
  font-style: italic;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0;
}

.page-products .section-head__desc {
  color: var(--clr-muted-silver);
  line-height: 1.8;
  font-size: 14px;
  margin: 0;
}

/* ========== 产品总览 ========== */
.page-products .product-lines {
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.06), transparent 55%);
  border-top: 1px solid var(--border-glow);
  border-bottom: 1px solid var(--border-glow);
}

.page-products .product-grid {
  display: grid;
  gap: var(--space-5);
}

@media (min-width: 900px) {
  .page-products .product-grid {
    grid-template-columns: 1.05fr 0.95fr 1fr;
    align-items: start;
  }
}

.page-products .product-card {
  position: relative;
  background: var(--clr-panel-blue);
  border: 1px solid var(--border-glow);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-mid), border-color var(--transition-mid), box-shadow var(--transition-mid);
}

.page-products .product-card::before {
  content: "";
  display: block;
  height: 4px;
  background: linear-gradient(90deg, var(--clr-electric-green), transparent);
}

.page-products .product-card--desktop::before {
  background: linear-gradient(90deg, var(--clr-cyan-glow), transparent);
}

.page-products .product-card--api::before {
  background: linear-gradient(90deg, var(--prd-accent), transparent);
}

.page-products .product-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 255, 170, 0.4);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.35);
}

.page-products .product-card__media {
  position: relative;
  height: 190px;
  overflow: hidden;
  border-bottom: 1px solid var(--border-glow);
  background: var(--clr-deep-blue);
}

.page-products .product-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform var(--transition-mid);
}

.page-products .product-card:hover .product-card__img {
  transform: scale(1.03);
}

.page-products .product-card__body {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.page-products .product-card__body h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  font-style: italic;
  letter-spacing: -0.01em;
  margin: 0;
}

.page-products .product-card__body p {
  color: var(--clr-muted-silver);
  line-height: 1.7;
  font-size: 14px;
  margin: 0;
}

.page-products .product-card__features {
  list-style: none;
  margin: 0;
  padding: var(--space-3) 0 0;
  border-top: 1px solid var(--border-glow);
  display: grid;
  gap: var(--space-2);
}

.page-products .product-card__features li {
  position: relative;
  padding-left: 18px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--clr-white);
}

.page-products .product-card__features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--clr-electric-green);
  box-shadow: 0 0 8px rgba(0, 255, 170, 0.6);
}

/* ========== 功能模块横向滑动 ========== */
.page-products .feature-modules {
  background: linear-gradient(180deg, transparent, rgba(122, 90, 248, 0.06), transparent);
}

.page-products .feature-rail {
  display: flex;
  gap: var(--space-4);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: var(--space-3) var(--space-4) var(--space-5);
  margin: 0 calc(var(--space-4) * -1);
  -webkit-overflow-scrolling: touch;
}

@media (min-width: 1024px) {
  .page-products .feature-rail {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    overflow: visible;
    padding: 0;
    margin: 0;
  }
}

.page-products .feature-card {
  flex: 0 0 82%;
  max-width: 320px;
  scroll-snap-align: start;
  background: var(--clr-panel-blue);
  border: 1px solid var(--border-glow);
  border-radius: 16px;
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  position: relative;
  transition: box-shadow var(--transition-mid), transform var(--transition-mid), border-color var(--transition-mid);
}

@media (min-width: 1024px) {
  .page-products .feature-card {
    flex: initial;
    max-width: none;
  }
}

.page-products .feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.3);
  border-color: rgba(0, 229, 255, 0.4);
}

.page-products .feature-card--accent {
  background: linear-gradient(145deg, var(--clr-panel-blue), rgba(17, 27, 61, 0.85));
  border-color: rgba(0, 255, 170, 0.35);
}

.page-products .feature-card--media {
  background: var(--clr-deep-blue);
}

.page-products .feature-card__top {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.page-products .feature-card__top h3 {
  font-family: var(--font-heading);
  font-size: 18px;
  font-style: italic;
  margin: 0;
}

.page-products .feature-card p {
  font-size: 14px;
  color: var(--clr-muted-silver);
  line-height: 1.7;
  margin: 0;
}

.page-products .feature-card__more {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding-top: var(--space-3);
  border-top: 1px solid var(--border-glow);
  opacity: 1;
  transform: none;
  transition: opacity var(--transition-mid), transform var(--transition-mid);
}

.page-products .feature-card__more span {
  font-size: 12px;
  padding: 4px 10px;
  background: rgba(0, 229, 255, 0.1);
  border-radius: 999px;
  color: var(--clr-cyan-glow);
}

@media (min-width: 1024px) {
  .page-products .feature-card__more {
    opacity: 0;
    transform: translateY(8px);
  }

  .page-products .feature-card:hover .feature-card__more,
  .page-products .feature-card:focus-within .feature-card__more {
    opacity: 1;
    transform: none;
  }
}

.page-products .feature-card__media {
  height: 180px;
  overflow: hidden;
  border-radius: 10px;
  border: 1px solid var(--border-glow);
}

.page-products .feature-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

/* ========== 多端适配体验 ========== */
.page-products .adaptation {
  border-top: 1px solid var(--border-glow);
  border-bottom: 1px solid var(--border-glow);
  background:
    linear-gradient(90deg, rgba(0, 255, 170, 0.06), transparent 60%),
    linear-gradient(180deg, transparent, rgba(0, 229, 255, 0.05), transparent);
}

.page-products .adaptation__grid {
  display: grid;
  gap: var(--space-5);
}

@media (min-width: 900px) {
  .page-products .adaptation__grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
}

.page-products .adaptation__demo {
  padding: var(--space-6);
  border-radius: 20px;
  max-width: 520px;
}

.page-products .adaptation__demo-title {
  font-family: var(--font-heading);
  font-size: 18px;
  font-style: italic;
  margin: 0 0 var(--space-2);
}

.page-products .adaptation__demo-text {
  font-size: 14px;
  color: var(--clr-muted-silver);
  line-height: 1.7;
  margin: 0 0 var(--space-5);
}

.page-products .adaptation__demo [data-device-switch] {
  width: 100%;
  text-align: center;
  margin-bottom: var(--space-4);
}

.page-products .adaptation__hint {
  font-size: 13px;
  color: var(--clr-muted-silver);
  line-height: 1.6;
  margin: 0;
}

.page-products .adaptation__points {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 700px) {
  .page-products .adaptation__points {
    grid-template-columns: 1fr 1fr;
  }
}

.page-products .adaptation__point {
  position: relative;
  padding: var(--space-4);
  border-left: 3px solid var(--clr-signal-orange);
  background: rgba(17, 27, 61, 0.55);
  border-radius: 0 12px 12px 0;
}

.page-products .adaptation__point:nth-child(2) {
  border-left-color: var(--clr-cyan-glow);
}

.page-products .adaptation__point:nth-child(3) {
  border-left-color: var(--clr-electric-green);
}

.page-products .adaptation__point:nth-child(4) {
  border-left-color: var(--prd-accent);
}

.page-products .adaptation__point-num {
  font-family: var(--font-heading);
  font-size: 24px;
  color: var(--clr-muted-silver);
  line-height: 1;
  display: block;
  margin-bottom: var(--space-2);
}

.page-products .adaptation__point h3 {
  font-size: 16px;
  margin: 0 0 var(--space-2);
}

.page-products .adaptation__point p {
  font-size: 13px;
  color: var(--clr-muted-silver);
  line-height: 1.6;
  margin: 0;
}

/* ========== 联赛专题 ========== */
.page-products .league-topics__banner {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border-glow);
  margin-bottom: var(--space-4);
}

.page-products .league-topics__img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  display: block;
}

@media (min-width: 768px) {
  .page-products .league-topics__img {
    height: 300px;
  }
}

.page-products .league-topics__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10, 17, 40, 0.92), rgba(10, 17, 40, 0.25) 75%, transparent);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-5);
}

.page-products .league-topics__overlay h3 {
  font-family: var(--font-heading);
  font-size: 22px;
  font-style: italic;
  margin: 0 0 var(--space-2);
}

.page-products .league-topics__overlay p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--clr-white);
  max-width: 28em;
  margin: 0;
}

.page-products .league-topics__chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* ========== 版本演进 ========== */
.page-products .version-timeline {
  background: var(--clr-dark-zone);
}

.page-products .timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-5);
  position: relative;
}

.page-products .timeline::before {
  content: "";
  position: absolute;
  top: 10px;
  bottom: 10px;
  left: 7px;
  width: 2px;
  background: linear-gradient(180deg, var(--clr-electric-green), var(--clr-cyan-glow), var(--prd-accent));
  opacity: 0.5;
}

.page-products .timeline__item {
  position: relative;
  padding-left: 36px;
}

.page-products .timeline__dot {
  position: absolute;
  left: 0;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 4px solid var(--clr-dark-zone);
  background: var(--clr-electric-green);
  box-shadow: 0 0 0 3px rgba(0, 255, 170, 0.25);
}

.page-products .timeline__item:nth-child(2) .timeline__dot {
  background: var(--clr-cyan-glow);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.25);
}

.page-products .timeline__item:nth-child(3) .timeline__dot {
  background: var(--prd-accent);
  box-shadow: 0 0 0 3px rgba(122, 90, 248, 0.25);
}

.page-products .timeline__item h3 {
  font-family: var(--font-heading);
  font-size: 18px;
  font-style: italic;
  margin: 0 0 var(--space-2);
}

.page-products .timeline__item p {
  color: var(--clr-muted-silver);
  font-size: 14px;
  line-height: 1.7;
  margin: 0;
}

/* ========== 使用入口 ========== */
.page-products .usage {
  background: linear-gradient(180deg, var(--clr-dark-zone), var(--clr-deep-blue));
}

.page-products .usage-steps {
  list-style: none;
  margin: 0 0 var(--space-6);
  padding: 0;
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 800px) {
  .page-products .usage-steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

.page-products .usage-step {
  position: relative;
  padding: var(--space-5);
  background: var(--clr-panel-blue);
  border-radius: 14px;
  border-top: 3px solid var(--clr-signal-orange);
  overflow: hidden;
}

.page-products .usage-step:nth-child(2) {
  border-top-color: var(--clr-electric-green);
}

.page-products .usage-step:nth-child(3) {
  border-top-color: var(--clr-cyan-glow);
}

.page-products .usage-step__num {
  font-family: var(--font-heading);
  font-size: 40px;
  color: transparent;
  -webkit-text-stroke: 1px var(--clr-signal-orange);
  display: block;
  line-height: 1;
  margin-bottom: var(--space-3);
}

.page-products .usage-step:nth-child(2) .usage-step__num {
  -webkit-text-stroke: 1px var(--clr-electric-green);
}

.page-products .usage-step:nth-child(3) .usage-step__num {
  -webkit-text-stroke: 1px var(--clr-cyan-glow);
}

.page-products .usage-step h3 {
  font-size: 17px;
  margin: 0 0 var(--space-2);
}

.page-products .usage-step p {
  font-size: 14px;
  color: var(--clr-muted-silver);
  line-height: 1.7;
  margin: 0;
}

.page-products .usage__support {
  background: var(--clr-dark-zone);
  border: 1px solid var(--border-glow);
  border-radius: 16px;
  padding: var(--space-5);
  display: grid;
  gap: var(--space-3);
  max-width: 720px;
}

.page-products .usage__support a {
  color: var(--clr-electric-green);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .usage__contact {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-5);
  font-size: 14px;
  color: var(--clr-white);
}

.page-products .usage__note {
  font-size: 13px;
  color: var(--clr-muted-silver);
  margin: 0;
}