.page-products {
  --pg-pad: clamp(18px, 3.2vw, 40px);
  --pg-gap: clamp(16px, 2.6vw, 28px);
  --pg-line: rgba(154, 168, 194, 0.18);
  padding-bottom: var(--space-6);
  color: var(--fog);
  font-family: var(--font-body);
}

.page-products .pg-wrap {
  width: 100%;
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--space-2);
}

@media (min-width: 768px) {
  .page-products .pg-wrap {
    padding-inline: var(--space-4);
  }
}

/* ---------- 首屏 ---------- */
.page-products .pg-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4.5vw, 48px) 0 clamp(32px, 5.5vw, 64px);
}

.page-products .pg-hero::before {
  content: "";
  position: absolute;
  top: -24%;
  right: -18%;
  width: min(780px, 96%);
  height: 136%;
  background:
    linear-gradient(148deg, rgba(61, 245, 208, 0.2) 0%, rgba(15, 111, 120, 0.16) 44%, rgba(255, 106, 61, 0.18) 100%);
  clip-path: polygon(20% 0, 100% 8%, 80% 100%, 0 82%);
  pointer-events: none;
  z-index: 0;
}

.page-products .pg-hero__text {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-3);
  max-width: 860px;
}

.page-products .pg-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.4vw, 66px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--fog);
}

.page-products .pg-lead {
  margin: 0;
  max-width: 54ch;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.78;
  color: var(--metal);
}

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

.page-products .pg-hero__meta {
  flex-wrap: wrap;
  gap: 10px var(--space-3);
}

/* ---------- 章节骨架 ---------- */
.page-products .pg-section {
  margin-top: clamp(56px, 9vw, 104px);
}

.page-products .pg-section__head {
  max-width: 720px;
  margin-bottom: var(--space-4);
  display: grid;
  gap: var(--space-2);
}

.page-products .pg-section__head .prose {
  margin: 0;
  color: var(--metal);
}

.page-products .pg-note {
  margin: var(--space-3) 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--metal);
  max-width: 78ch;
}

.page-products .pg-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 245, 208, 0.35);
}

.page-products .pg-note a:hover,
.page-products .pg-note a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 技能树：四条内容线 ---------- */
.page-products .pg-tree {
  display: grid;
  gap: var(--space-3);
}

.page-products .pg-tree__root {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  background: linear-gradient(158deg, #162347, #0E1633 72%);
  border: 1px solid var(--edge);
  box-shadow: inset 0 0 0 1px rgba(61, 245, 208, 0.12);
}

.page-products .pg-tree__rootlabel {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-products .pg-tree__roottitle {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 26px);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--fog);
}

.page-products .pg-tree__branches {
  position: relative;
  display: grid;
  gap: var(--space-3);
}

.page-products .pg-node {
  --node-accent: var(--cyan);
  position: relative;
  display: grid;
  gap: 10px;
  padding: var(--space-3);
  padding-left: calc(var(--space-3) + 12px);
  border-radius: var(--radius-lg);
  background: var(--panel-1);
  border: 1px solid var(--edge);
}

.page-products .pg-node::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 4px;
  border-radius: var(--pill);
  background: var(--node-accent);
}

.page-products .pg-node:nth-child(1) { --node-accent: var(--cyan); }
.page-products .pg-node:nth-child(2) { --node-accent: var(--orange); }
.page-products .pg-node:nth-child(3) { --node-accent: var(--lime); }
.page-products .pg-node:nth-child(4) { --node-accent: var(--metal); }

.page-products .pg-node__num {
  position: absolute;
  top: 10px;
  right: 16px;
  font-family: var(--font-mono);
  font-size: clamp(32px, 6vw, 44px);
  font-weight: 700;
  line-height: 1;
  color: rgba(234, 242, 255, 0.08);
  letter-spacing: 0.02em;
  pointer-events: none;
}

.page-products .pg-node .tag {
  justify-self: start;
}

.page-products .pg-node h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--fog);
}

.page-products .pg-node p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--metal);
}

.page-products .pg-node__link {
  justify-self: start;
  font-size: 15px;
  font-weight: 700;
  color: var(--node-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

.page-products .pg-node__link:hover,
.page-products .pg-node__link:focus-visible {
  border-bottom-color: currentColor;
}

@media (min-width: 960px) {
  .page-products .pg-tree {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: var(--space-5);
    align-items: start;
  }

  .page-products .pg-tree__root {
    position: sticky;
    top: calc(var(--topbar-h) + 24px);
  }

  .page-products .pg-tree__branches {
    padding-left: var(--space-4);
    gap: var(--space-4);
  }

  .page-products .pg-tree__branches::before {
    content: "";
    position: absolute;
    left: 0;
    top: 18px;
    bottom: 18px;
    width: 2px;
    border-radius: var(--pill);
    background: linear-gradient(180deg, var(--cyan), var(--teal) 46%, var(--orange));
    opacity: 0.5;
  }

  .page-products .pg-node::after {
    content: "";
    position: absolute;
    left: calc(var(--space-4) * -1);
    top: 40px;
    width: var(--space-4);
    height: 2px;
    background: var(--edge);
  }

  .page-products .pg-node:nth-child(odd) {
    margin-right: clamp(0px, 6vw, 76px);
  }
}

/* ---------- 图片容器 ---------- */
.page-products .pg-figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--edge);
  background: linear-gradient(142deg, #0F6F78, #0E1633 56%, #B4372C);
}

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

/* ---------- 赛程页 ---------- */
.page-products .pg-sched {
  display: grid;
  gap: var(--space-4);
}

.page-products .pg-sched__main {
  display: grid;
  gap: var(--space-3);
}

.page-products .pg-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-products .pg-timeline li {
  position: relative;
  display: grid;
  gap: 6px;
  padding: var(--space-2) 0 var(--space-2) var(--space-3);
  border-left: 2px solid var(--edge);
}

.page-products .pg-timeline li::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 24px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--cyan);
}

.page-products .pg-timeline__time {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-products .pg-timeline strong {
  display: block;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--fog);
  margin-bottom: 4px;
}

.page-products .pg-timeline p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--metal);
}

.page-products .pg-sched__side {
  display: grid;
  gap: var(--space-3);
  align-content: start;
}

.page-products .pg-stat {
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  border: 1px solid var(--edge);
  background: linear-gradient(155deg, rgba(61, 245, 208, 0.14), rgba(14, 22, 51, 0.92) 62%);
}

.page-products .pg-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(48px, 11vw, 82px);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.page-products .pg-stat__unit {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--metal);
}

.page-products .pg-stat p {
  margin: var(--space-2) 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--metal);
}

.page-products .pg-keylist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--edge);
}

.page-products .pg-keylist li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-2);
  padding: 12px var(--space-2);
  background: var(--panel-1);
  font-size: 14px;
}

.page-products .pg-keylist span {
  color: var(--metal);
}

.page-products .pg-keylist strong {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--lime);
}

@media (min-width: 640px) {
  .page-products .pg-timeline li {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: var(--space-3);
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-products .pg-sched {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    gap: var(--space-4);
    align-items: start;
  }
}

/* ---------- V4 场馆信息中心 ---------- */
.page-products .pg-center {
  display: grid;
  gap: var(--space-4);
}

.page-products .pg-steps {
  display: grid;
  gap: var(--space-2);
}

.page-products .pg-step {
  position: relative;
  display: grid;
  gap: 8px;
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background: var(--panel-2);
  border: 1px solid var(--edge);
}

.page-products .pg-step__idx {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-products .pg-step h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--fog);
}

.page-products .pg-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--metal);
}

@media (min-width: 900px) {
  .page-products .pg-center {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--space-4);
    align-items: start;
  }

  .page-products .pg-figure--venue {
    position: sticky;
    top: calc(var(--topbar-h) + 24px);
  }
}

/* ---------- 会员权益 ---------- */
.page-products .pg-figure--member {
  margin-bottom: var(--space-3);
}

.page-products .pg-member {
  display: grid;
  gap: var(--space-2);
}

.page-products .pg-plan {
  display: grid;
  gap: 10px;
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  background: var(--panel-1);
  border: 1px solid var(--edge);
}

.page-products .pg-plan--highlight {
  background: linear-gradient(160deg, rgba(255, 106, 61, 0.14), rgba(22, 35, 71, 0.96) 62%);
  border-color: rgba(255, 106, 61, 0.45);
}

.page-products .pg-plan header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

.page-products .pg-plan h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--fog);
}

.page-products .pg-plan__fit {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--metal);
}

.page-products .pg-plan__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .pg-plan__list li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--pill);
  background: rgba(61, 245, 208, 0.1);
  border: 1px solid rgba(61, 245, 208, 0.32);
  font-size: 13px;
  font-weight: 500;
  color: var(--fog);
  white-space: nowrap;
}

.page-products .pg-plan__list li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  flex: none;
}

.page-products .pg-plan--highlight .pg-plan__list li {
  background: rgba(255, 106, 61, 0.12);
  border-color: rgba(255, 106, 61, 0.36);
}

.page-products .pg-plan--highlight .pg-plan__list li::before {
  background: var(--orange);
}

@media (min-width: 860px) {
  .page-products .pg-member {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-3);
    align-items: stretch;
  }

  .page-products .pg-plan--highlight {
    transform: translateY(-10px);
  }
}

/* ---------- 场景路径（手风琴） ---------- */
.page-products .pg-paths {
  display: grid;
  gap: var(--space-4);
}

.page-products .pg-paths__steps {
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-products .pg-acc {
  border: 1px solid var(--edge);
  border-radius: var(--radius-md);
  background: var(--panel-1);
  padding: var(--space-2) var(--space-3);
  transition: border-color 220ms ease, box-shadow 220ms ease;
}

.page-products .pg-acc[open] {
  border-color: rgba(61, 245, 208, 0.5);
  box-shadow: inset 0 0 0 1px rgba(61, 245, 208, 0.14);
}

.page-products .pg-acc summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--fog);
}

.page-products .pg-acc summary::-webkit-details-marker {
  display: none;
}

.page-products .pg-acc summary::before {
  content: "";
  flex: none;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(-45deg);
  transition: transform 220ms ease;
}

.page-products .pg-acc[open] summary::before {
  transform: rotate(45deg);
}

.page-products .pg-acc summary:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: var(--radius-sm);
}

.page-products .pg-acc p {
  margin: 8px 0 4px;
  padding-left: 21px;
  font-size: 15px;
  line-height: 1.76;
  color: var(--metal);
}

@media (min-width: 900px) {
  .page-products .pg-paths {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    gap: var(--space-4);
    align-items: start;
  }

  .page-products .pg-figure--tall {
    position: sticky;
    top: calc(var(--topbar-h) + 24px);
  }
}

/* ---------- 校准节奏 ---------- */
.page-products .pg-cadence {
  display: grid;
  gap: var(--space-3);
}

.page-products .pg-cadence__flag {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 106, 61, 0.32);
  background: linear-gradient(150deg, rgba(255, 106, 61, 0.16), rgba(14, 22, 51, 0.94) 66%);
}

.page-products .pg-cadence__flag p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--metal);
}

.page-products .pg-cadence__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--edge);
}

.page-products .pg-cadence__list li {
  padding: var(--space-2) var(--space-3);
  background: var(--panel-1);
  display: grid;
  gap: 6px;
  border-left: 3px solid var(--edge);
}

.page-products .pg-cadence__list li:nth-child(1) { border-left-color: var(--cyan); }
.page-products .pg-cadence__list li:nth-child(2) { border-left-color: var(--lime); }
.page-products .pg-cadence__list li:nth-child(3) { border-left-color: var(--orange); }

.page-products .pg-cadence__list h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--fog);
}

.page-products .pg-cadence__list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--metal);
}

@media (min-width: 860px) {
  .page-products .pg-cadence {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: var(--space-3);
    align-items: start;
  }
}

/* ---------- 收尾 CTA ---------- */
.page-products .pg-cta {
  margin-top: clamp(56px, 9vw, 104px);
  padding: clamp(24px, 4vw, 48px);
  border-radius: var(--radius-xl);
  border: 1px solid var(--edge);
  background:
    linear-gradient(135deg, rgba(61, 245, 208, 0.16) 0%, rgba(15, 111, 120, 0.14) 46%, rgba(255, 106, 61, 0.16) 100%),
    var(--panel-1);
  display: grid;
  gap: var(--space-2);
}

.page-products .pg-cta h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.6vw, 38px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--fog);
}

.page-products .pg-cta p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--metal);
}

.page-products .pg-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-1);
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products .pg-acc,
  .page-products .pg-acc summary::before {
    transition: none;
  }

  .page-products .pg-plan--highlight {
    transform: none;
  }
}
<<<END>>>