.page-products {
  --hero-glow: rgba(0, 229, 255, 0.13);
  --hero-glow-strong: rgba(0, 229, 255, 0.22);
  --hero-ember: rgba(230, 57, 70, 0.18);
  --panel-grid-line: rgba(197, 198, 199, 0.055);
  --chip-red-bg: rgba(230, 57, 70, 0.12);
  --chip-blue-bg: rgba(0, 229, 255, 0.10);
  --chip-border: rgba(197, 198, 199, 0.22);
}

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

.page-products .breadcrumb {
  margin: 14px 0 24px;
  font-family: var(--font-data);
  font-size: 13px;
}

/* 侧边导览轨道 */
.page-products .track-rail {
  display: none;
}

@media (min-width: 1280px) {
  .page-products .track-rail {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    position: fixed;
    left: max(20px, calc((100vw - var(--shell-width)) / 2 - 58px));
    top: 50%;
    transform: translateY(-50%);
    z-index: 9;
  }
  .page-products .track-rail__text {
    writing-mode: vertical-rl;
    font-family: var(--font-data);
    font-size: 11px;
    letter-spacing: 0.18em;
    color: var(--smoke);
    text-decoration: none;
    padding: 5px 7px;
    border: 1px solid transparent;
    border-radius: 999px;
    transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease;
  }
  .page-products .track-rail__text:hover,
  .page-products .track-rail__text.is-active {
    color: var(--blue);
    border-color: rgba(0, 229, 255, 0.35);
    background: rgba(0, 229, 255, 0.06);
  }
  .page-products .track-rail__line {
    width: 1px;
    height: 18px;
    margin-left: 14px;
    background: linear-gradient(to bottom, rgba(0, 229, 255, 0.55), transparent);
  }
}

/* 下载首屏 */
.page-products .download-hero {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
  padding: 28px 0 48px;
  overflow: hidden;
}

.page-products .download-hero::before {
  content: "";
  position: absolute;
  inset: -20% -20% 40% 25%;
  background: radial-gradient(ellipse at 70% 20%, var(--hero-glow), transparent 62%);
  pointer-events: none;
}

.page-products .download-hero::after {
  content: "";
  position: absolute;
  inset: 30% -10% -30% 60%;
  background: radial-gradient(ellipse at 20% 80%, var(--hero-ember), transparent 58%);
  pointer-events: none;
}

.page-products .download-hero__content {
  position: relative;
  z-index: 1;
}

.page-products .download-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--blue);
  padding: 6px 12px;
  border: 1px solid rgba(0, 229, 255, 0.32);
  border-radius: 999px;
  background: rgba(0, 229, 255, 0.06);
  margin-bottom: 20px;
}

.page-products .download-hero__title {
  font-family: var(--font-head);
  font-size: clamp(32px, 7vw, 56px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  color: var(--white);
}

.page-products .download-hero__desc {
  font-size: 15px;
  line-height: 1.75;
  color: var(--smoke);
  max-width: 46ch;
  margin-bottom: 24px;
}

.page-products .download-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 24px;
  list-style: none;
  margin: 0 0 32px;
  padding: 0;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--smoke);
}

.page-products .download-hero__meta .data-figure {
  display: block;
  font-family: var(--font-data);
  font-weight: 500;
  color: var(--white);
  margin-bottom: 4px;
}

.page-products .download-action {
  margin-bottom: 18px;
}

.page-products .download-action__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 15px 28px;
  font-weight: 700;
  letter-spacing: 0.04em;
  box-shadow: 0 12px 32px rgba(230, 57, 70, 0.28);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.page-products .download-action__btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(230, 57, 70, 0.36);
}

.page-products .download-action__qr {
  display: none;
  margin-top: 16px;
  padding: 18px;
  max-width: 240px;
  background: var(--white);
  border-radius: 16px;
  box-shadow: 0 18px 48px rgba(0, 229, 255, 0.18);
  grid-template-columns: 1fr;
  justify-items: center;
  gap: 8px;
}

.page-products .download-action:focus-within .download-action__qr,
.page-products .download-action:target .download-action__qr {
  display: grid;
  animation: productsFadeIn 0.3s ease both;
}

.page-products .qr-svg {
  width: 180px;
  height: 180px;
  border-radius: 8px;
}

.page-products .download-action__scan {
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 500;
  color: var(--black);
}

.page-products .download-action__hint {
  font-size: 11px;
  color: var(--smoke);
}

.page-products .download-hero__note {
  font-size: 13px;
  color: var(--smoke);
  opacity: 0.82;
}

.page-products .download-hero__visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  z-index: 1;
}

.page-products .download-hero__phone {
  width: min(270px, 72%);
  height: auto;
  aspect-ratio: 400 / 800;
  object-fit: cover;
  border-radius: 28px;
  box-shadow:
    0 28px 72px rgba(0, 229, 255, 0.20),
    0 8px 24px rgba(0, 0, 0, 0.5);
  transform: rotate(3deg);
  border: 1px solid rgba(0, 229, 255, 0.25);
}

.page-products .download-hero__orbit {
  position: absolute;
  right: 4%;
  bottom: -8px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--blue);
  opacity: 0.7;
  writing-mode: vertical-rl;
  border-left: 1px solid rgba(0, 229, 255, 0.3);
  padding-left: 10px;
}

@keyframes productsFadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 核心功能技能树 */
.page-products .feature-panel,
.page-products .league-panel,
.page-products .version-panel,
.page-products .app-cta {
  margin-top: 76px;
}

.page-products .section-index {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 10px;
}

.page-products .section-index__code {
  font-family: var(--font-data);
  font-size: 14px;
  color: var(--blue);
  letter-spacing: 0.08em;
}

.page-products .feature-panel__heading,
.page-products .league-panel__heading,
.page-products .version-panel__heading {
  font-family: var(--font-head);
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 900;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--white);
}

.page-products .feature-panel__intro {
  color: var(--smoke);
  max-width: 60ch;
  margin: 0 0 30px;
}

.page-products .feature-tree {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  background-image: repeating-linear-gradient(135deg, rgba(0, 229, 255, 0.035) 0 1px, transparent 1px 20px);
}

.page-products .feature-tree__item {
  position: relative;
}

.page-products .feature-node {
  background: var(--gray);
  border: 1px solid rgba(197, 198, 199, 0.08);
  transition: border-color 0.25s ease, background 0.25s ease;
}

.page-products .feature-node:hover {
  border-color: rgba(0, 229, 255, 0.25);
  background: rgba(31, 40, 51, 0.92);
}

.page-products .feature-node.panel-cut--tlbr {
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.page-products .feature-node.panel-cut--bltr {
  clip-path: polygon(0 var(--cut), var(--cut) 0, 100% 0, 100% 100%, 0 100%);
}

.page-products .feature-node summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 22px;
  cursor: pointer;
  list-style: none;
}

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

.page-products .feature-node__icon {
  width: 26px;
  height: 26px;
  flex: 0 0 auto;
  color: var(--blue);
}

.page-products .feature-tree__item--euro .feature-node__icon {
  color: var(--red-soft);
}

.page-products .feature-node__label {
  flex: 1;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
  line-height: 1.4;
}

.page-products .feature-node__arrow {
  font-family: var(--font-data);
  font-size: 18px;
  color: var(--blue);
  transition: transform 0.25s ease;
}

.page-products .feature-node[open] .feature-node__arrow {
  transform: rotate(45deg);
}

.page-products .feature-node__body {
  padding: 0 22px 22px;
  border-top: 1px solid rgba(197, 198, 199, 0.08);
  margin-top: 2px;
}

.page-products .feature-node__body p {
  font-size: 14px;
  color: var(--smoke);
  line-height: 1.75;
  margin: 16px 0;
}

.page-products .feature-node__body img {
  width: 100%;
  max-width: 360px;
  height: auto;
  border-radius: 12px;
  margin-top: 8px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}

.page-products .feature-node__body .btn--ghost {
  margin-top: 14px;
}

/* 联赛分类覆盖 */
.page-products .league-panel__intro,
.page-products .version-panel__intro {
  color: var(--smoke);
  max-width: 62ch;
  margin: 0 0 30px;
}

.page-products .league-panel__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

.page-products .league-cloud {
  display: grid;
  gap: 26px;
}

.page-products .league-cloud__title {
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--blue);
  margin-bottom: 12px;
  padding-left: 12px;
  border-left: 2px solid var(--blue);
}

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

.page-products .league-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  font-family: var(--font-data);
  font-size: 14px;
  font-weight: 500;
  border: 1px solid var(--chip-border);
  color: var(--smoke);
  background: rgba(31, 40, 51, 0.7);
}

.page-products .league-chip--red {
  background: var(--chip-red-bg);
  border-color: rgba(230, 57, 70, 0.32);
  color: var(--red-soft);
}

.page-products .league-chip--blue {
  background: var(--chip-blue-bg);
  border-color: rgba(0, 229, 255, 0.32);
  color: var(--blue);
}

.page-products .league-chip__code {
  font-size: 10px;
  opacity: 0.72;
  letter-spacing: 0.1em;
}

.page-products .league-panel__emblem {
  margin: 0;
  text-align: center;
}

.page-products .league-panel__emblem img {
  width: 190px;
  height: 190px;
  object-fit: cover;
  border-radius: 50%;
  border: 1px solid rgba(0, 229, 255, 0.2);
  box-shadow: 0 12px 40px rgba(0, 229, 255, 0.12);
}

.page-products .league-panel__caption {
  font-size: 12px;
  color: var(--smoke);
  margin-top: 10px;
  letter-spacing: 0.08em;
}

/* 版本时间线 */
.page-products .version-panel__scroll {
  overflow-x: auto;
  scroll-snap-type: x proximity;
  padding-bottom: 14px;
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 229, 255, 0.4) rgba(31, 40, 51, 0.6);
}

.page-products .version-track {
  list-style: none;
  margin: 0;
  padding: 6px 0 14px;
  display: flex;
  gap: 16px;
  min-width: max-content;
}

.page-products .version-track__item {
  scroll-snap-align: start;
  width: 250px;
  padding: 22px 20px;
  background: var(--gray);
  border-left: 3px solid var(--blue);
  position: relative;
  box-shadow: inset 0 1px 0 rgba(197, 198, 199, 0.06);
}

.page-products .version-track__item--now {
  border-left-color: var(--red);
  background: linear-gradient(135deg, rgba(230, 57, 70, 0.10), transparent 55%), var(--gray);
}

.page-products .version-track__ver {
  display: block;
  font-family: var(--font-data);
  font-size: 20px;
  font-weight: 500;
  color: var(--blue);
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.page-products .version-track__item--now .version-track__ver {
  color: var(--red-soft);
}

.page-products .version-track__item h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}

.page-products .version-track__item p {
  font-size: 13px;
  color: var(--smoke);
  line-height: 1.65;
  margin: 0;
}

.page-products .version-panel__trend {
  margin: 36px 0 0;
  text-align: center;
}

.page-products .version-panel__trend img {
  width: 100%;
  max-width: 800px;
  height: auto;
  border-radius: 14px;
  border: 1px solid rgba(0, 229, 255, 0.14);
}

.page-products .version-panel__trend figcaption,
.page-products .league-panel__caption {
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--smoke);
  margin-top: 10px;
  letter-spacing: 0.08em;
}

/* 底部行动区 */
.page-products .app-cta {
  padding: 52px 24px 48px;
  text-align: center;
  background:
    linear-gradient(135deg, rgba(230, 57, 70, 0.15), transparent 58%),
    linear-gradient(315deg, rgba(0, 229, 255, 0.12), transparent 46%),
    var(--gray);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.page-products .app-cta__title {
  font-family: var(--font-head);
  font-size: clamp(24px, 4vw, 34px);
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--white);
  margin: 0 0 12px;
}

.page-products .app-cta__desc {
  color: var(--smoke);
  max-width: 56ch;
  margin: 0 auto 28px;
  line-height: 1.7;
}

.page-products .app-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  margin-bottom: 22px;
}

.page-products .app-cta__actions .btn--primary {
  font-weight: 700;
  padding: 14px 28px;
  box-shadow: 0 10px 30px rgba(230, 57, 70, 0.26);
}

.page-products .app-cta__contact {
  font-size: 13px;
  color: var(--smoke);
}

.page-products .app-cta__mail {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.3);
  padding-bottom: 2px;
  font-family: var(--font-data);
}

.page-products .app-cta__mail:hover {
  color: var(--white);
  border-bottom-color: var(--white);
}

/* 桌面端布局增强 */
@media (min-width: 640px) {
  .page-products .download-hero {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
    align-items: center;
    padding: 48px 0 64px;
  }

  .page-products .download-hero__phone {
    width: min(300px, 80%);
  }

  .page-products .league-panel__layout {
    grid-template-columns: 1fr 240px;
    gap: 40px;
  }

  .page-products .app-cta {
    padding: 64px 32px 56px;
  }
}

@media (min-width: 960px) {
  .page-products .feature-tree {
    grid-template-columns: 1fr 1fr;
    gap: 26px;
  }

  .page-products .feature-tree__item--archive {
    grid-column: 1 / -1;
    max-width: 76%;
  }

  .page-products .feature-tree__item--euro {
    grid-column: 1 / -1;
    max-width: 76%;
    margin-left: auto;
  }

  .page-products .feature-node__body img {
    max-width: 300px;
  }

  .page-products .version-panel__scroll {
    margin-right: -20px;
  }

  .page-products .version-track__item {
    width: 280px;
  }
}

@media (min-width: 1280px) {
  .page-products .download-hero {
    padding: 64px 0 80px;
  }

  .page-products .download-hero__title {
    font-size: 58px;
  }

  .page-products .feature-panel,
  .page-products .league-panel,
  .page-products .version-panel,
  .page-products .app-cta {
    margin-top: 96px;
  }

  .page-products .feature-node summary {
    padding: 24px 28px;
  }

  .page-products .feature-node__body {
    padding: 0 28px 24px;
  }

  .page-products .league-panel__layout {
    grid-template-columns: 1fr 280px;
  }
}