.page-products {
  --pf-gap: clamp(18px, 3vw, 34px);
  --pf-rule: rgba(28, 59, 90, .18);
  --pf-rule-soft: rgba(28, 59, 90, .10);
  padding-bottom: clamp(40px, 7vw, 88px);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-products .pf-hero {
  padding: clamp(18px, 3.5vw, 42px) 0 clamp(30px, 5.5vw, 62px);
  background:
    radial-gradient(120% 92% at 86% 6%, rgba(18, 211, 192, .14), transparent 56%),
    radial-gradient(90% 80% at 4% 88%, rgba(142, 123, 181, .12), transparent 60%),
    linear-gradient(180deg, rgba(46, 127, 168, .05), transparent 72%);
}

.page-products .pf-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pf-gap);
  align-items: center;
}

.page-products .pf-hero__copy .tag {
  display: inline-block;
  margin-bottom: 14px;
}

.page-products .pf-hero h1 {
  font-family: var(--font-head);
  font-weight: 900;
  letter-spacing: -.02em;
  font-size: clamp(27px, 5.2vw, 45px);
  line-height: 1.22;
  color: var(--c-indigo);
  margin: 0 0 18px;
}

.page-products .pf-hero__lead {
  font-size: clamp(15px, 1.85vw, 17px);
  line-height: 1.85;
  color: var(--c-text);
  max-width: 34em;
  margin: 0 0 24px;
}

.page-products .pf-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .pf-hero__visual {
  margin: 0;
  border: 1px solid var(--pf-rule);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-paper);
  background: linear-gradient(140deg, rgba(28, 59, 90, .88), rgba(15, 32, 39, .96));
}

.page-products .pf-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

@media (min-width: 900px) {
  .page-products .pf-hero__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(26px, 3.5vw, 48px);
  }
}

/* ---------- 技能树 ---------- */
.page-products .pf-tree {
  padding-top: clamp(34px, 6vw, 68px);
}

.page-products .pf-tree__list {
  list-style: none;
  margin: 0;
  padding: 6px 0 0 36px;
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-products .pf-tree__list::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 14px;
  bottom: 26px;
  width: 2px;
  background: linear-gradient(180deg, var(--c-cyan), var(--c-lake) 52%, var(--c-lotus));
}

.page-products .pf-tree__node {
  position: relative;
  padding: 18px 18px 20px;
  background: rgba(255, 255, 255, .74);
  border: 1px solid var(--pf-rule);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-paper);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .pf-tree__node::before {
  content: "";
  position: absolute;
  left: -33px;
  top: 24px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--c-cyan);
  border: 2px solid var(--c-paper);
  box-shadow: 0 0 0 1px var(--c-lake);
}

.page-products .pf-tree__node:hover,
.page-products .pf-tree__node:focus-within {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lift);
}

.page-products .pf-tree__idx {
  display: inline-block;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--c-lake);
  background: rgba(46, 127, 168, .10);
  border-radius: 3px;
  padding: 2px 8px;
  margin-bottom: 10px;
}

.page-products .pf-tree__name {
  font-size: 17.5px;
  font-weight: 800;
  line-height: 1.45;
  color: var(--c-indigo);
  margin: 0 0 10px;
}

.page-products .pf-tree__text {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-text);
  margin: 0 0 12px;
}

.page-products .pf-tree__who {
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-stone);
  margin: 0;
  padding-top: 11px;
  border-top: 1px dashed var(--pf-rule);
}

@media (min-width: 880px) {
  .page-products .pf-tree__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    padding: 62px 0 0;
  }
  .page-products .pf-tree__list::before {
    left: 12%;
    right: 12%;
    top: 28px;
    bottom: auto;
    width: auto;
    height: 2px;
    background: linear-gradient(90deg, var(--c-cyan), var(--c-lake), var(--c-lotus), var(--c-gold));
  }
  .page-products .pf-tree__node::before {
    left: 50%;
    top: -40px;
    transform: translateX(-50%);
  }
  .page-products .pf-tree__node {
    padding-top: 22px;
  }
  .page-products .pf-tree__node::after {
    content: "";
    position: absolute;
    left: 50%;
    top: -28px;
    width: 2px;
    height: 28px;
    transform: translateX(-50%);
    background: var(--c-lake);
  }
}

/* ---------- 赛前 ---------- */
.page-products .pf-pre {
  padding-top: clamp(38px, 6vw, 72px);
}

.page-products .pf-pre__rail {
  align-self: start;
}

.page-products .pf-rail__index {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--c-lake);
  margin: 0 0 10px;
}

.page-products .pf-rail__title {
  font-size: clamp(22px, 2.6vw, 28px);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.3;
  color: var(--c-indigo);
  margin: 0 0 12px;
}

.page-products .pf-rail__note {
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-stone);
  margin: 0 0 18px;
}

.page-products .pf-rail__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pf-rail__steps li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--c-text);
  padding: 9px 11px;
  border-left: 2px solid var(--c-cyan);
  background: rgba(227, 230, 228, .55);
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
}

.page-products .pf-rail__steps .mono {
  font-size: 12px;
  color: var(--c-lake);
  letter-spacing: .06em;
  flex: none;
}

.page-products .pf-pre__figure {
  margin: 26px 0 0;
  border: 1px solid var(--pf-rule);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-paper);
}

.page-products .pf-pre__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-products .pf-pre__cap {
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--c-stone);
  padding: 10px 14px;
  background: rgba(227, 230, 228, .45);
  border-top: 1px solid var(--pf-rule-soft);
}

.page-products .pf-pre__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 24px;
}

.page-products .pf-pre__card {
  padding: 20px 20px 22px;
}

.page-products .pf-pre__card h3 {
  font-size: 16px;
  font-weight: 800;
  color: var(--c-indigo);
  margin: 0 0 10px;
}

.page-products .pf-pre__card p {
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--c-text);
  margin: 0;
}

@media (min-width: 700px) {
  .page-products .pf-pre__cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }
}

/* ---------- 全宽场景带 ---------- */
.page-products .pf-band {
  margin: clamp(34px, 6vw, 72px) 0;
  padding: clamp(22px, 3.6vw, 38px) 0;
  background: linear-gradient(96deg, var(--c-indigo) 0%, #14334d 58%, var(--c-night) 100%);
  color: var(--c-paper);
  border-top: 2px solid var(--c-cyan);
  border-bottom: 2px solid var(--c-gold);
}

.page-products .pf-band__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 14px 26px;
}

.page-products .pf-band__label {
  flex: none;
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--c-cyan);
  border: 1px solid rgba(18, 211, 192, .48);
  border-radius: 3px;
  padding: 4px 10px;
}

.page-products .pf-band__text {
  margin: 0;
  flex: 1 1 300px;
  font-size: clamp(15px, 2vw, 18px);
  line-height: 1.72;
  letter-spacing: .005em;
}

/* ---------- 赛后比对 ---------- */
.page-products .pf-post {
  padding-top: clamp(6px, 1.6vw, 18px);
}

.page-products .pf-lead {
  max-width: var(--measure);
  margin-top: 0;
}

.page-products .pf-compare {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 28px;
}

.page-products .pf-compare__col {
  padding: 22px 20px 24px;
  background: #fff;
  border: 1px solid var(--pf-rule);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-paper);
}

.page-products .pf-compare__col--cyan {
  border-top: 3px solid var(--c-cyan);
}

.page-products .pf-compare__col--amber {
  border-top: 3px solid var(--c-amber);
}

.page-products .pf-compare__dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c-cyan);
}

.page-products .pf-compare__col--amber .pf-compare__dot {
  background: var(--c-amber);
}

.page-products .pf-compare__col h3 {
  font-size: 16.5px;
  font-weight: 800;
  color: var(--c-indigo);
  margin: 10px 0 16px;
}

.page-products .pf-compare__col .data-bar {
  margin-bottom: 10px;
}

.page-products .pf-compare__col p {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-stone);
}

.page-products .pf-post__figure {
  margin: 28px 0 0;
  border: 1px solid var(--pf-rule);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-paper);
}

.page-products .pf-post__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-products .pf-post__notes {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-products .pf-post__notes li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-text);
  padding: 12px 14px;
  background: rgba(247, 243, 234, .8);
  border: 1px solid var(--pf-rule-soft);
  border-radius: var(--radius-card);
}

.page-products .pf-post__notes .mono {
  flex: none;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--c-paper);
  background: var(--c-lake);
  border-radius: 3px;
  padding: 2px 7px;
}

@media (min-width: 760px) {
  .page-products .pf-compare {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
  .page-products .pf-post__notes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .pf-post__notes li {
    flex-direction: column;
    gap: 8px;
  }
}

/* ---------- 移动端路径 ---------- */
.page-products .pf-mobile {
  padding-top: clamp(38px, 6vw, 74px);
}

.page-products .pf-mobile__steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
  counter-reset: pfstep;
}

.page-products .pf-mobile__steps li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px 18px 18px 16px;
  background: #fff;
  border: 1px solid var(--pf-rule);
  border-left: 3px solid var(--c-lake);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-paper);
}

.page-products .pf-mobile__num {
  flex: none;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--c-indigo);
  background: rgba(18, 211, 192, .18);
  border-radius: 3px;
  padding: 3px 8px;
  margin-top: 2px;
}

.page-products .pf-mobile__steps h3 {
  font-size: 15.5px;
  font-weight: 800;
  color: var(--c-indigo);
  margin: 0 0 8px;
}

.page-products .pf-mobile__steps p {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-text);
  margin: 0;
}

.page-products .pf-mobile__rail {
  align-self: start;
}

.page-products .pf-mobile__figure {
  margin: 0;
  border: 1px solid var(--pf-rule);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-paper);
}

.page-products .pf-mobile__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.page-products .pf-mobile__note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--c-stone);
  padding: 11px 13px;
  border-left: 2px solid var(--c-lotus);
  background: rgba(142, 123, 181, .08);
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
}

@media (min-width: 900px) {
  .page-products .pf-mobile__rail {
    padding-top: 62px;
  }
}

/* ---------- 组合用法 ---------- */
.page-products .pf-combo {
  padding-top: clamp(40px, 6vw, 76px);
}

.page-products .pf-combo__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-products .pf-combo__card {
  padding: 24px 22px 22px;
}

.page-products .pf-combo__card .tag {
  display: inline-block;
  margin-bottom: 12px;
}

.page-products .pf-combo__card h3 {
  font-size: clamp(17px, 2.2vw, 20px);
  font-weight: 800;
  color: var(--c-indigo);
  line-height: 1.42;
  margin: 0 0 12px;
}

.page-products .pf-combo__card p {
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--c-text);
  margin: 0;
}

.page-products .pf-combo__meta {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--pf-rule);
  font-size: 12.5px;
  letter-spacing: .05em;
  color: var(--c-lake);
}

@media (min-width: 820px) {
  .page-products .pf-combo__grid {
    grid-template-columns: 1.15fr .85fr;
    gap: 26px;
    align-items: start;
  }
  .page-products .pf-combo__card:last-child {
    margin-top: 38px;
  }
}

/* ---------- 服务与支持 ---------- */
.page-products .pf-support {
  padding-top: clamp(40px, 6vw, 78px);
}

.page-products .pf-support__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-products .pf-support__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--pf-rule);
  border: 1px solid var(--pf-rule);
  border-radius: var(--radius-card);
  overflow: hidden;
}

.page-products .pf-support__stats .metric {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 16px;
  background: rgba(247, 243, 234, .92);
}

.page-products .pf-support__stats .metric__value {
  font-size: clamp(22px, 3.4vw, 30px);
  line-height: 1;
  letter-spacing: .02em;
  color: var(--c-indigo);
}

.page-products .pf-support__stats .metric__value--cyan {
  color: #0d8f83;
}

.page-products .pf-support__stats .metric__value--gold {
  color: var(--c-gold);
}

.page-products .pf-support__stats .metric__label {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--c-stone);
}

.page-products .pf-support__text p + p {
  margin-top: 16px;
}

.page-products .pf-support__text a {
  color: var(--c-lake);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .pf-fold {
  margin-top: 30px;
  display: grid;
  gap: 10px;
}

.page-products .pf-support__figure {
  margin: 30px 0 0;
  border: 1px solid var(--pf-rule);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-paper);
}

.page-products .pf-support__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 5;
  object-fit: cover;
}

@media (min-width: 860px) {
  .page-products .pf-support__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 34px;
    align-items: start;
  }
  .page-products .pf-support__stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pf-tree__node {
    transition: none;
  }
  .page-products .pf-tree__node:hover,
  .page-products .pf-tree__node:focus-within {
    transform: none;
  }
}