.page-products {
  --pp-accent: var(--jn-cheng);
  --pp-glow: var(--jn-huang);
  --pp-hair: rgba(14, 59, 67, 0.14);
  --pp-hair-strong: rgba(14, 59, 67, 0.26);
  --pp-body: rgba(16, 23, 26, 0.76);
  --pp-pad-y: clamp(56px, 8vw, 104px);
  background: var(--jn-zhi);
  color: var(--jn-mo);
  overflow-x: hidden;
}

.page-products .jn-section {
  padding-block: var(--pp-pad-y);
}

/* ---------- 首屏 ---------- */

.page-products .pp-hero {
  position: relative;
  padding-block: calc(var(--jn-header-h) + 36px) clamp(40px, 6vw, 76px);
}

.page-products .pp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(1100px 520px at 86% -12%, rgba(27, 110, 140, 0.16), transparent 62%),
    radial-gradient(620px 400px at 4% 118%, rgba(46, 139, 116, 0.13), transparent 68%);
  pointer-events: none;
}

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

.page-products .jn-breadcrumb {
  font-family: var(--jn-font-body);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: rgba(14, 59, 67, 0.6);
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-products .jn-breadcrumb a {
  color: var(--jn-hulan);
  text-decoration: none;
}

.page-products .jn-breadcrumb a:hover,
.page-products .jn-breadcrumb a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-products .pp-hero__grid {
  display: grid;
  gap: clamp(30px, 4vw, 52px);
  margin-top: clamp(24px, 4vw, 42px);
}

.page-products .pp-hero__title {
  font-family: var(--jn-font-title);
  font-size: clamp(2.1rem, 6.6vw, 4.05rem);
  line-height: 1.06;
  letter-spacing: -0.022em;
  font-weight: 800;
  color: var(--jn-daiqing);
  margin: 0.38em 0 0;
}

.page-products .pp-hero__title span {
  display: block;
  color: var(--pp-accent);
}

.page-products .pp-hero__lead {
  font-family: var(--jn-font-body);
  font-size: clamp(0.95rem, 1.6vw, 1.125rem);
  line-height: 1.88;
  color: var(--pp-body);
  max-width: 46ch;
  margin: 1.2em 0 0;
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3vw, 34px);
}

.page-products .pp-hero__meta {
  list-style: none;
  margin: clamp(24px, 3vw, 34px) 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--pp-hair);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  font-family: var(--jn-font-body);
  font-size: 0.8125rem;
  line-height: 1.7;
  color: rgba(14, 59, 67, 0.66);
  letter-spacing: 0.01em;
}

.page-products .pp-hero__meta .jn-num {
  color: var(--jn-daiqing);
  font-weight: 700;
}

.page-products .pp-hero__figure {
  position: relative;
  margin: 0;
}

.page-products .pp-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-products .pp-hero__figure::after {
  content: "";
  position: absolute;
  right: -8px;
  bottom: -8px;
  width: 40%;
  height: 30%;
  border-right: 2px solid var(--pp-accent);
  border-bottom: 2px solid var(--pp-accent);
  pointer-events: none;
}

/* ---------- 通用章节标题 ---------- */

.page-products .pp-head {
  max-width: 64ch;
  margin-bottom: clamp(28px, 4vw, 46px);
}

.page-products .pp-head .jn-title {
  font-family: var(--jn-font-title);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.016em;
  color: var(--jn-daiqing);
  font-size: clamp(1.6rem, 4vw, 2.8rem);
  margin: 0.36em 0 0;
}

.page-products .pp-head .jn-lead {
  margin: 0.95em 0 0;
  font-family: var(--jn-font-body);
  font-size: clamp(0.95rem, 1.5vw, 1.0625rem);
  line-height: 1.86;
  color: var(--pp-body);
}

.page-products .jn-figure {
  margin: 0;
}

.page-products .jn-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 注册流程（技能树） ---------- */

.page-products .pp-flow__grid {
  display: grid;
  gap: clamp(30px, 4vw, 50px);
}

.page-products .pp-flow__figure {
  position: relative;
}

.page-products .pp-tree {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pp-tree__node {
  position: relative;
  padding: 0 0 clamp(26px, 3.4vw, 38px) clamp(54px, 6vw, 70px);
}

.page-products .pp-tree__node::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 46px;
  bottom: 2px;
  width: 1px;
  background: linear-gradient(to bottom, var(--pp-hair-strong), rgba(14, 59, 67, 0.06));
}

.page-products .pp-tree__node:last-child {
  padding-bottom: 0;
}

.page-products .pp-tree__node:last-child::before {
  display: none;
}

.page-products .pp-tree__num {
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--pp-hair-strong);
  border-radius: var(--jn-radius);
  background: var(--jn-ci);
  color: var(--jn-hulan);
  font-family: var(--jn-font-num);
  font-size: 0.8125rem;
  font-weight: 700;
  transition: background 0.35s ease, color 0.35s ease, border-color 0.35s ease;
}

.page-products .pp-tree__node.is-lit .pp-tree__num {
  background: var(--jn-daiqing);
  border-color: var(--jn-daiqing);
  color: var(--pp-glow);
}

.page-products .pp-tree__title {
  margin: 0;
  font-family: var(--jn-font-title);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  font-weight: 700;
  line-height: 1.5;
  color: var(--jn-daiqing);
}

.page-products .pp-tree__node p {
  margin: 0.5em 0 0;
  font-family: var(--jn-font-body);
  font-size: 0.9375rem;
  line-height: 1.82;
  color: var(--pp-body);
  max-width: 48ch;
}

/* ---------- 核心功能矩阵 ---------- */

.page-products .pp-func__figure {
  margin-bottom: clamp(26px, 3.6vw, 40px);
}

.page-products .pp-func {
  display: grid;
  gap: 1px;
  background: var(--pp-hair);
  border: 1px solid var(--pp-hair);
}

.page-products .pp-func__cell {
  background: var(--jn-ci);
  padding: clamp(22px, 2.8vw, 32px);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: background 0.3s ease;
}

.page-products .pp-func__cell::before {
  content: "";
  display: block;
  width: 22px;
  height: 2px;
  background: var(--pp-hair-strong);
  transition: width 0.3s ease, background 0.3s ease;
}

.page-products .pp-func__cell:hover::before,
.page-products .pp-func__cell:focus-within::before {
  width: 44px;
  background: var(--pp-accent);
}

.page-products .pp-func__idx {
  margin: 0;
  font-family: var(--jn-font-num);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--jn-hulan);
}

.page-products .pp-func__title {
  margin: 0;
  font-family: var(--jn-font-title);
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--jn-daiqing);
}

.page-products .pp-func__cell p:not(.pp-func__idx) {
  margin: 0;
  font-family: var(--jn-font-body);
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--pp-body);
}

/* ---------- 版本演进 ---------- */

.page-products .pp-ver__figure {
  margin-bottom: clamp(24px, 3.2vw, 36px);
}

.page-products .pp-filter {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-products .pp-ver-list {
  border-top: 1px solid var(--pp-hair);
}

.page-products .pp-ver {
  display: grid;
  gap: 12px;
  padding: clamp(20px, 2.6vw, 30px) 0;
  border-bottom: 1px solid var(--pp-hair);
}

.page-products .pp-ver__tag {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.page-products .pp-ver__num {
  font-family: var(--jn-font-num);
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--jn-daiqing);
}

.page-products .pp-ver__body h3 {
  margin: 0;
  font-family: var(--jn-font-title);
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--jn-daiqing);
}

.page-products .pp-ver__body p {
  margin: 0.55em 0 0;
  font-family: var(--jn-font-body);
  font-size: 0.9375rem;
  line-height: 1.82;
  color: var(--pp-body);
  max-width: 62ch;
}

.page-products .pp-ver__body .jn-meta {
  font-size: 0.8125rem;
  color: rgba(14, 59, 67, 0.6);
  letter-spacing: 0.02em;
}

/* ---------- 安装与权限 ---------- */

.page-products .pp-install__grid {
  display: grid;
  gap: clamp(30px, 4vw, 54px);
}

.page-products .pp-install__list {
  list-style: none;
  margin: clamp(24px, 3vw, 36px) 0 0;
  padding: 0;
  border-top: 1px solid var(--pp-hair);
}

.page-products .pp-install__list li {
  padding: clamp(16px, 2.2vw, 22px) 0;
  border-bottom: 1px solid var(--pp-hair);
}

.page-products .pp-install__list h3 {
  margin: 0;
  font-family: var(--jn-font-title);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--jn-daiqing);
}

.page-products .pp-install__list p {
  margin: 0.45em 0 0;
  font-family: var(--jn-font-body);
  font-size: 0.9375rem;
  line-height: 1.82;
  color: var(--pp-body);
  max-width: 56ch;
}

.page-products .pp-install__figure {
  position: relative;
}

.page-products .pp-install__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 使用场景 ---------- */

.page-products .pp-scene {
  margin-top: clamp(20px, 3vw, 30px);
}

.page-products .pp-scene .jn-tabs__list {
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .pp-scene .jn-tabs__panel {
  padding-top: clamp(20px, 3vw, 30px);
}

.page-products .pp-path {
  list-style: none;
  counter-reset: ppstep;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(14px, 2vw, 20px);
}

.page-products .pp-path li {
  position: relative;
  counter-increment: ppstep;
  padding: 20px 20px 20px 58px;
  background: var(--jn-ci);
  border: 1px solid var(--pp-hair);
  border-radius: var(--jn-radius);
  box-shadow: var(--jn-shadow);
  font-family: var(--jn-font-body);
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--pp-body);
}

.page-products .pp-path li::before {
  content: counter(ppstep, decimal-leading-zero);
  position: absolute;
  left: 20px;
  top: 21px;
  font-family: var(--jn-font-num);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--jn-hulan);
}

/* ---------- 收尾 ---------- */

.page-products .pp-cta {
  padding-block: clamp(20px, 3vw, 32px) clamp(56px, 8vw, 96px);
}

.page-products .pp-cta__note {
  margin: 20px 0 0;
  font-family: var(--jn-font-body);
  font-size: 0.875rem;
  line-height: 1.8;
  color: rgba(14, 59, 67, 0.68);
}

.page-products .pp-cta__note a {
  color: var(--jn-hulan);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
}

.page-products .pp-cta__note a:hover,
.page-products .pp-cta__note a:focus-visible {
  color: var(--pp-accent);
}

/* ---------- 断点 ---------- */

@media (min-width: 700px) {
  .page-products .pp-func {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pp-path {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-products .pp-ver {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: clamp(20px, 3vw, 46px);
    align-items: start;
  }

  .page-products .pp-ver__tag {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}

@media (min-width: 900px) {
  .page-products .pp-flow__grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: start;
  }

  .page-products .pp-install__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
    align-items: start;
  }

  .page-products .pp-install__figure {
    position: sticky;
    top: calc(var(--jn-header-h) + 24px);
  }
}

@media (min-width: 940px) {
  .page-products .pp-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
  }

  .page-products .pp-hero__figure {
    transform: translateY(-8px);
  }
}

@media (min-width: 1080px) {
  .page-products .pp-func {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }

  .page-products .pp-hero__figure {
    transform: none;
  }
}