.page-products {
  --cut-lg: 22px;
  --card-face: #FBF8F1;
  background: var(--paper);
  color: var(--text);
}

.page-products .apps-link {
  color: var(--ink-600);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan);
}

.page-products .apps-link:hover {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

/* ---------- 首屏 ---------- */

.page-products .apps-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  color: var(--paper);
  padding: 124px 0 var(--s7);
}

.page-products .apps-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(58% 74% at 84% 8%, rgba(60, 224, 208, .16), transparent 68%),
    repeating-linear-gradient(118deg, rgba(155, 233, 224, .075) 0 1px, transparent 1px 54px);
  pointer-events: none;
}

.page-products .apps-hero .wrap {
  position: relative;
  z-index: 1;
}

.page-products .apps-hero__crumbs {
  margin-bottom: var(--s6);
}

.page-products .apps-hero__crumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s1);
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: rgba(245, 241, 232, .58);
}

.page-products .apps-hero__crumb-list li + li::before {
  content: "/";
  margin-right: var(--s1);
  color: rgba(245, 241, 232, .3);
}

.page-products .apps-hero__crumb-list a {
  color: rgba(245, 241, 232, .58);
  text-decoration: none;
}

.page-products .apps-hero__crumb-list a:hover {
  color: var(--cyan);
}

.page-products .apps-hero .eyebrow {
  color: var(--cyan-100);
}

.page-products .apps-hero__grid {
  display: grid;
  gap: var(--s6);
}

.page-products .apps-hero__title {
  margin: var(--s3) 0 var(--s3);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(34px, 7vw, 62px);
  line-height: 1.1;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-products .apps-hero__lead {
  margin: 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(245, 241, 232, .82);
}

.page-products .apps-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2);
  margin-top: var(--s5);
}

.page-products .hero-facts {
  display: grid;
  gap: var(--s3);
  margin: var(--s5) 0 0;
  padding: var(--s4) 0 0;
  list-style: none;
  border-top: 1px solid var(--line-dark);
}

.page-products .hero-facts__item {
  display: grid;
  gap: 2px;
}

.page-products .hero-facts__num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 26px;
  line-height: 1.2;
  color: var(--cyan);
}

.page-products .hero-facts__label {
  font-size: 13px;
  letter-spacing: .04em;
  color: rgba(245, 241, 232, .62);
}

.page-products .apps-hero__screen {
  position: relative;
  padding: var(--s4);
  background: linear-gradient(155deg, rgba(30, 107, 80, .55), rgba(14, 59, 46, .88));
  border: 1px solid var(--line-dark);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut-lg)), calc(100% - var(--cut-lg)) 100%, 0 100%);
}

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

.page-products .tree-trunk {
  fill: none;
  stroke: rgba(155, 233, 224, .55);
  stroke-width: 3;
}

.page-products .tree-line {
  fill: none;
  stroke: rgba(155, 233, 224, .3);
  stroke-width: 2;
}

.page-products .tree-tick {
  stroke: rgba(245, 241, 232, .26);
  stroke-width: 1;
}

.page-products .tree-node {
  fill: var(--ink-900);
  stroke: var(--cyan);
  stroke-width: 2;
}

.page-products .tree-node--signal {
  fill: var(--signal);
  stroke: var(--signal);
}

.page-products .tree-label {
  fill: rgba(245, 241, 232, .82);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
}

/* ---------- 技能树主结构 ---------- */

.page-products .apps-body {
  padding: var(--s7) 0 var(--s8);
}

.page-products .apps-body__eyebrow {
  margin-bottom: var(--s5);
}

.page-products .apps-tree {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .apps-tree::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 12px;
  bottom: 48px;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), rgba(60, 224, 208, .1));
}

.page-products .apps-node {
  position: relative;
  padding-left: 46px;
  margin-bottom: var(--s6);
}

.page-products .apps-node:last-child {
  margin-bottom: 0;
}

.page-products .apps-node__index {
  position: absolute;
  left: 0;
  top: 0;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  background: var(--cyan);
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  border-radius: 2px;
}

.page-products .apps-node__body {
  padding: var(--s4);
  background: var(--card-face);
  border: 1px solid var(--line);
  border-left: 3px solid var(--ink-600);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
  animation: appsRise .5s var(--ease) both;
}

.page-products .apps-node:nth-child(2) .apps-node__body { animation-delay: .05s; }
.page-products .apps-node:nth-child(3) .apps-node__body { animation-delay: .1s; }
.page-products .apps-node:nth-child(4) .apps-node__body { animation-delay: .15s; }
.page-products .apps-node:nth-child(5) .apps-node__body { animation-delay: .2s; }
.page-products .apps-node:nth-child(6) .apps-node__body { animation-delay: .25s; }

@keyframes appsRise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}

.page-products .apps-node__title {
  margin: 0 0 var(--s2);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(21px, 3.8vw, 29px);
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--ink-900);
}

.page-products .apps-node__scene {
  margin: 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-600);
}

.page-products .apps-points {
  display: grid;
  gap: var(--s2);
  margin: var(--s4) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .apps-points li {
  position: relative;
  padding-left: 20px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
}

.page-products .apps-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 8px;
  height: 2px;
  background: var(--signal);
}

.page-products .apps-points--tight {
  gap: var(--s1);
}

.page-products .apps-points--tight li {
  font-size: 15px;
  color: var(--ink-600);
}

.page-products .apps-node__figure {
  margin: var(--s5) 0 0;
}

.page-products .apps-frame {
  position: relative;
  overflow: hidden;
  background: var(--paper-200);
  border: 1px solid var(--line);
}

.page-products .apps-frame--collect { aspect-ratio: 9 / 7; }
.page-products .apps-frame--grid { aspect-ratio: 3 / 2; }
.page-products .apps-frame--alert { aspect-ratio: 1 / 1; }
.page-products .apps-frame--night { aspect-ratio: 10 / 7; }
.page-products .apps-frame--venue { aspect-ratio: 4 / 3; }

.page-products .apps-node__figure .media-frame__caption {
  margin-top: var(--s2);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .apps-node .accordion {
  margin-top: var(--s4);
}

.page-products .apps-node .accordion__panel-inner p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
}

/* ---------- 场景对照 ---------- */

.page-products .scene-grid {
  display: grid;
  gap: var(--s4);
  margin-top: var(--s5);
}

.page-products .scene-card {
  padding: var(--s4);
  background: var(--paper-300);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
  transition: transform .2s var(--ease), border-color .2s var(--ease);
}

.page-products .scene-card:hover {
  transform: translateY(-2px);
  border-color: var(--ink-600);
}

.page-products .scene-card__who {
  display: inline-block;
  margin: 0 0 var(--s2);
  padding: 3px 9px;
  background: var(--cyan-100);
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  border-radius: 2px;
}

.page-products .scene-card__title {
  margin: 0 0 var(--s2);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.4;
  color: var(--ink-900);
}

.page-products .scene-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-600);
}

.page-products .apps-node__figure--wide {
  margin-top: var(--s6);
}

/* ---------- 开始设置 ---------- */

.page-products .apps-start {
  position: relative;
  overflow: hidden;
  margin-top: var(--s6);
  padding: var(--s7) 0 var(--s8);
  background: var(--ink-800);
  color: var(--paper);
}

.page-products .apps-start::after {
  content: "";
  position: absolute;
  right: -60px;
  top: -40px;
  width: 60%;
  height: 150%;
  background: repeating-linear-gradient(120deg, rgba(155, 233, 224, .07) 0 1px, transparent 1px 46px);
  pointer-events: none;
}

.page-products .apps-start .wrap {
  position: relative;
  z-index: 1;
}

.page-products .apps-start__grid {
  display: grid;
  gap: var(--s6);
}

.page-products .apps-start .eyebrow {
  color: var(--cyan-100);
}

.page-products .apps-start__title {
  margin: var(--s3) 0 var(--s3);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 5vw, 40px);
  line-height: 1.2;
  color: var(--paper);
}

.page-products .apps-start__lead {
  margin: 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(245, 241, 232, .8);
}

.page-products .apps-start .steps {
  margin-top: var(--s5);
}

.page-products .apps-start .steps__index {
  color: var(--cyan);
}

.page-products .apps-start .steps__title {
  margin: 0 0 4px;
  color: var(--paper);
}

.page-products .apps-start .steps__text {
  margin: 0;
  color: rgba(245, 241, 232, .76);
}

.page-products .apps-start__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2);
  margin-top: var(--s5);
}

.page-products .rail-card {
  padding: var(--s4);
  background: rgba(14, 59, 46, .55);
  border: 1px solid var(--line-dark);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-products .rail-card + .rail-card {
  margin-top: var(--s4);
}

.page-products .rail-card__title {
  margin: 0 0 var(--s3);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .08em;
  color: var(--cyan-100);
}

.page-products .rail-card__list {
  display: grid;
  gap: var(--s2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .rail-card__list a {
  color: var(--paper);
  font-size: 15px;
  line-height: 1.6;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.page-products .rail-card__list a:hover {
  color: var(--signal-300);
  border-bottom-color: var(--signal);
}

.page-products .rail-card__text {
  margin: 0 0 var(--s3);
  font-size: 14px;
  line-height: 1.75;
  color: rgba(245, 241, 232, .74);
}

.page-products .rail-card__contact {
  display: grid;
  gap: var(--s2);
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  line-height: 1.6;
  color: var(--paper);
}

.page-products .rail-card__key {
  display: inline-block;
  min-width: 42px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: rgba(245, 241, 232, .55);
}

/* ---------- 断点 ---------- */

@media (min-width: 640px) {
  .page-products .hero-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--s4);
  }
}

@media (min-width: 860px) {
  .page-products .scene-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--s5) var(--s4);
  }

  .page-products .scene-card:nth-child(even) {
    margin-top: var(--s6);
  }
}

@media (min-width: 960px) {
  .page-products .apps-hero {
    padding-top: 150px;
  }

  .page-products .apps-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: var(--s7);
    align-items: center;
  }

  .page-products .apps-start__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
    gap: var(--s7);
  }
}

@media (min-width: 1024px) {
  .page-products .apps-body {
    padding-top: var(--s8);
  }

  .page-products .apps-node:nth-child(odd) .apps-node__body {
    margin-right: 14%;
  }

  .page-products .apps-node:nth-child(even) .apps-node__body {
    margin-left: 8%;
    margin-right: 2%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .apps-node__body {
    animation: none;
  }

  .page-products .scene-card,
  .page-products .rail-card__list a {
    transition: none;
  }

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