.page-products {
  --pf-pad: clamp(44px, 7vw, 92px);
  --pf-gap: clamp(20px, 3.4vw, 40px);
  --pf-paper-text: rgba(18, 26, 23, 0.74);
  background: var(--ink);
  color: var(--fog);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-products .num {
  font-family: var(--font-num);
  letter-spacing: 0.06em;
}

/* ---------- 首屏 ---------- */

.page-products .pf-hero {
  padding: clamp(24px, 4.5vw, 52px) 0 var(--pf-pad);
  background:
    radial-gradient(115% 88% at 82% 0%, rgba(200, 245, 60, 0.1), transparent 62%),
    radial-gradient(90% 70% at 4% 32%, rgba(15, 43, 36, 0.9), transparent 70%),
    var(--ink);
  border-bottom: 1px solid var(--line-dark);
}

.page-products .pf-frame {
  position: relative;
  margin-top: clamp(18px, 3.2vw, 34px);
  padding: clamp(22px, 4.2vw, 52px);
  border: 1px solid var(--line-lime);
  background: linear-gradient(158deg, rgba(22, 56, 47, 0.62), rgba(10, 14, 13, 0.12) 72%);
}

.page-products .pf-frame::before,
.page-products .pf-frame::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  border: 1px solid var(--lime);
  pointer-events: none;
}

.page-products .pf-frame::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-products .pf-frame::after {
  right: -1px;
  bottom: -1px;
  border-top: 0;
  border-left: 0;
}

.page-products .kicker {
  color: var(--lime);
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin: 0;
}

.page-products .pf-title {
  margin: clamp(14px, 2.4vw, 24px) 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 8.2vw, 78px);
  line-height: 0.96;
  letter-spacing: -0.02em;
  font-stretch: 90%;
  color: var(--fog);
}

.page-products .pf-title em {
  font-style: normal;
  color: var(--lime);
}

.page-products .pf-lede {
  max-width: 60ch;
  margin: 16px 0 0;
  font-size: clamp(14px, 1.5vw, 16.5px);
  line-height: 1.76;
  color: var(--fog);
  opacity: 0.82;
}

.page-products .pf-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(24px, 4vw, 40px) 0 0;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
}

.page-products .pf-stats__item {
  padding: 14px 16px 16px;
  background: rgba(10, 14, 13, 0.72);
}

.page-products .pf-stats dt {
  font-family: var(--font-num);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  color: var(--moss);
  text-transform: uppercase;
}

.page-products .pf-stats dd {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1;
  color: var(--fog);
}

.page-products .pf-stats dd .num {
  color: var(--lime);
}

/* ---------- 条带通用 ---------- */

.page-products .pf-band {
  padding: var(--pf-pad) 0;
  border-top: 1px solid var(--line-dark);
}

.page-products .pf-band--deep {
  background: var(--ink);
}

.page-products .pf-band--green {
  background:
    linear-gradient(180deg, rgba(15, 43, 36, 0.96), rgba(10, 14, 13, 0.98)),
    var(--ink-2);
}

.page-products .pf-band--help {
  background:
    radial-gradient(80% 90% at 88% 12%, rgba(88, 182, 232, 0.14), transparent 66%),
    linear-gradient(180deg, rgba(15, 43, 36, 0.9), var(--ink));
  border-top-color: rgba(88, 182, 232, 0.26);
}

.page-products .pf-band--paper {
  background: var(--paper);
  color: var(--ink-text);
  border-top: 1px solid var(--paper-line);
}

.page-products .pf-band--paper + .pf-band--paper {
  border-top: 1px solid var(--paper-line);
}

.page-products .pf-band--paper .kicker {
  color: #c96a20;
}

.page-products .pf-band--paper .pf-h2 {
  color: var(--ink-text);
}

.page-products .pf-band--paper .pf-lede {
  color: var(--pf-paper-text);
  opacity: 1;
}

.page-products .pf-band__head {
  max-width: 64ch;
  margin-bottom: var(--pf-gap);
}

.page-products .pf-h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(25px, 4.6vw, 44px);
  line-height: 1.08;
  letter-spacing: -0.015em;
  font-stretch: 92%;
  color: var(--fog);
}

/* ---------- 双栏 ---------- */

.page-products .pf-split {
  display: grid;
  gap: var(--pf-gap);
}

.page-products .pf-split__body > .pf-list {
  margin-top: 22px;
}

.page-products .pf-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 13px;
}

.page-products .pf-list li {
  position: relative;
  padding-left: 20px;
  font-size: clamp(14px, 1.4vw, 15.5px);
  line-height: 1.75;
  color: var(--fog);
  opacity: 0.86;
}

.page-products .pf-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 10px;
  height: 1px;
  background: var(--lime);
}

.page-products .pf-band--paper .pf-list li {
  color: var(--pf-paper-text);
  opacity: 1;
}

.page-products .pf-band--paper .pf-list li::before {
  background: var(--ink-2);
  height: 2px;
  width: 8px;
}

.page-products .pf-note {
  margin: 18px 0 0;
  font-family: var(--font-num);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--moss);
}

.page-products .pf-band--paper .pf-note {
  color: rgba(18, 26, 23, 0.6);
}

/* ---------- 图片框 ---------- */

.page-products .pf-shot {
  position: relative;
  margin: 0;
  border: 1px solid var(--line-lime);
  background: var(--ink-2);
  overflow: hidden;
}

.page-products .pf-shot::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 34px;
  height: 2px;
  background: var(--lime);
}

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

.page-products .pf-shot__tag {
  display: block;
  padding: 10px 14px;
  font-family: var(--font-num);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--moss);
  background: rgba(10, 14, 13, 0.72);
  border-top: 1px solid var(--line-lime);
}

.page-products .pf-band--paper .pf-shot {
  border-color: var(--paper-line);
  background: #e9e3d6;
}

.page-products .pf-band--paper .pf-shot::after {
  background: var(--orange);
}

.page-products .pf-band--paper .pf-shot__tag {
  color: rgba(18, 26, 23, 0.62);
  background: transparent;
  border-top: 1px solid var(--paper-line);
}

/* ---------- 日期胶囊 ---------- */

.page-products .pf-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.page-products .pf-chips .chip {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.08em;
  padding: 9px 14px;
  color: var(--fog);
  background: transparent;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 160ms var(--ease), color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-products .pf-chips .chip:hover,
.page-products .pf-chips .chip:focus-visible {
  border-color: var(--line-lime-strong);
  color: var(--lime-soft);
}

.page-products .pf-chips .chip[aria-pressed="true"] {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
}

.page-products .pf-chips .chip--pick {
  border-style: dashed;
  color: var(--moss);
}

/* ---------- 复盘折叠组 ---------- */

.page-products .pf-recap {
  display: grid;
  gap: var(--pf-gap);
}

.page-products .pf-acc {
  border-top: 1px solid var(--line-dark);
}

.page-products .pf-acc details {
  border-bottom: 1px solid var(--line-dark);
}

.page-products .pf-acc summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(15px, 1.7vw, 18px);
  letter-spacing: 0.01em;
  color: var(--fog);
  transition: color 160ms var(--ease);
}

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

.page-products .pf-acc summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-num);
  font-size: 16px;
  color: var(--lime);
}

.page-products .pf-acc details[open] summary::after {
  content: "−";
}

.page-products .pf-acc summary:hover,
.page-products .pf-acc summary:focus-visible {
  color: var(--lime-soft);
}

.page-products .pf-acc summary .num {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-products .pf-acc details[open] summary {
  color: var(--lime-soft);
}

.page-products .pf-acc details p {
  margin: 0 0 18px;
  padding-left: 32px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--fog);
  opacity: 0.8;
}

/* ---------- 赛季刻度 ---------- */

.page-products .pf-scale {
  position: relative;
  list-style: none;
  margin: 0 0 var(--pf-gap);
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px 10px;
}

.page-products .pf-scale__node {
  position: relative;
  padding-top: 20px;
  border-top: 1px solid var(--paper-line);
}

.page-products .pf-scale__node::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 1px;
  height: 12px;
  background: rgba(18, 26, 23, 0.4);
}

.page-products .pf-scale__label {
  display: block;
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--ink-text);
}

.page-products .pf-scale__meta {
  display: block;
  margin-top: 4px;
  font-family: var(--font-num);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #c96a20;
}

.page-products .pf-scale__node.is-current {
  border-top-color: var(--orange);
  border-top-width: 2px;
}

.page-products .pf-scale__node.is-current::before {
  height: 16px;
  width: 2px;
  background: var(--orange);
}

.page-products .pf-scale__node.is-current .pf-scale__label {
  color: #b65912;
  font-weight: 600;
}

/* ---------- 回访卡 ---------- */

.page-products .pf-callout {
  align-self: start;
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--paper-line);
  background:
    repeating-linear-gradient(90deg, rgba(18, 26, 23, 0.06) 0 1px, transparent 1px 44px),
    rgba(255, 255, 255, 0.42);
}

.page-products .pf-callout__label {
  margin: 0;
  font-family: var(--font-num);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #c96a20;
}

.page-products .pf-callout__main {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.6vw, 26px);
  line-height: 1.24;
  color: var(--ink-text);
}

.page-products .pf-callout__sub {
  margin: 10px 0 22px;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--pf-paper-text);
}

/* ---------- 四步轨道 ---------- */

.page-products .pf-steps {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
}

.page-products .pf-steps li {
  display: flex;
  gap: 14px;
  padding: 16px;
  background: rgba(10, 14, 13, 0.78);
}

.page-products .pf-steps__no {
  flex: none;
  padding-top: 2px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--blue);
}

.page-products .pf-steps strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15.5px;
  letter-spacing: 0.01em;
  color: var(--fog);
}

.page-products .pf-steps p {
  margin: 6px 0 0;
  font-size: 13.8px;
  line-height: 1.72;
  color: var(--fog);
  opacity: 0.76;
}

.page-products .pf-band--help .pf-kicker {
  color: var(--blue);
}

.page-products .pf-band--help .pf-h2 {
  color: var(--fog);
}

.page-products .pf-band--help .btn.btn--lime {
  margin-top: 22px;
}

/* ---------- 收尾 ---------- */

.page-products .pf-outro {
  background:
    radial-gradient(90% 110% at 12% 0%, rgba(200, 245, 60, 0.12), transparent 60%),
    var(--ink-2);
}

.page-products .pf-outro__grid {
  display: grid;
  gap: var(--pf-gap);
  align-items: center;
}

.page-products .pf-outro__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 常驻浮标 ---------- */

.page-products .pf-float {
  position: fixed;
  left: 14px;
  bottom: 14px;
  z-index: 30;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  padding: 10px 14px;
}

/* ---------- 断点 ---------- */

@media (min-width: 640px) {
  .page-products .pf-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pf-scale {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .pf-split {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

  .page-products .pf-split--rev {
    grid-template-columns: 0.86fr 1.14fr;
  }

  .page-products .pf-recap {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: start;
  }

  .page-products .pf-outro__grid {
    grid-template-columns: 1.35fr 0.65fr;
  }

  .page-products .pf-outro__links {
    justify-content: flex-end;
  }

  .page-products .pf-float {
    left: 24px;
    bottom: 24px;
  }
}

@media (min-width: 1120px) {
  .page-products .pf-split {
    grid-template-columns: 1.02fr 0.98fr;
  }

  .page-products .pf-split--rev {
    grid-template-columns: 0.8fr 1.2fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pf-chips .chip,
  .page-products .pf-acc summary {
    transition: none;
  }
}

```