.page-products {
  --pp-edge: 1px solid var(--line);
  --pp-edge-ink: 1px solid var(--ink);
  position: relative;
  overflow: hidden;
  padding-bottom: 64px;
}

/* 面包屑 */
.page-products .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  list-style: none;
  margin: 18px 0 4px;
  padding: 0;
  font-size: 13px;
  color: var(--note);
}
.page-products .crumbs li {
  display: inline-flex;
  align-items: center;
}
.page-products .crumbs li + li::before {
  content: "/";
  margin: 0 9px;
  color: var(--line);
}

/* 首屏 */
.page-products .head {
  padding: 22px 0 30px;
  border-bottom: var(--pp-edge);
}
.page-products .head h1 {
  font-family: var(--font-head);
  font-size: clamp(30px, 7vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 12px 0 16px;
  max-width: 17em;
  color: var(--ink);
}
.page-products .head__lead {
  max-width: 42em;
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink);
}
.page-products .head__ticker {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: var(--pp-edge);
}
.page-products .head__ticker li {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 11px 13px;
  background: var(--cream);
  font-size: 13px;
  line-height: 1.5;
  min-width: 0;
}
.page-products .head__ticker b {
  flex: 0 0 auto;
  color: var(--ochre);
  font-size: 13px;
  letter-spacing: 0.04em;
}

/* 章节通用 */
.page-products .biz-section {
  margin: 0 0 54px;
}
.page-products .biz-section:last-child {
  margin-bottom: 0;
}
.page-products .sec-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  border-top: 3px solid var(--ink);
  padding-top: 14px;
  margin-bottom: 24px;
}
.page-products .sec-num {
  flex: 0 0 auto;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--ochre);
}
.page-products .sec-head h2 {
  flex: 1 1 300px;
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(21px, 3.6vw, 34px);
  line-height: 1.22;
  letter-spacing: -0.01em;
}
.page-products .sec-note {
  flex: 1 1 100%;
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--note);
}

/* 图片 */
.page-products .figure {
  margin: 0 0 24px;
}
.page-products .figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: var(--pp-edge-ink);
  background: var(--cream);
}
.page-products .biz-banner img {
  aspect-ratio: 16 / 7;
  max-height: 400px;
}
.page-products .figure-cap {
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--note);
}

/* 斜向分隔带 */
.page-products .slant {
  height: 9px;
  margin: 0 0 54px;
  background: linear-gradient(90deg, var(--ochre) 0%, var(--whistle) 42%, var(--pitch) 100%);
  transform: rotate(-1.4deg) scaleX(1.03);
  opacity: 0.85;
}

/* 模块状态面板 */
.page-products .rail {
  border: var(--pp-edge-ink);
  background: var(--paper);
  box-shadow: var(--shadow-1);
}
.page-products .rail-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  padding: 15px 16px;
  border-bottom: 1px solid var(--line-soft);
  box-shadow: inset 4px 0 0 transparent;
  transition: background var(--ease), box-shadow var(--ease);
}
.page-products .rail-row:last-child {
  border-bottom: 0;
}
.page-products .rail-row:hover {
  background: var(--cream);
}
.page-products .rail-row--ochre { box-shadow: inset 4px 0 0 var(--ochre); }
.page-products .rail-row--night { box-shadow: inset 4px 0 0 var(--night); }
.page-products .rail-row--pitch { box-shadow: inset 4px 0 0 var(--pitch); }
.page-products .rail-row--whistle { box-shadow: inset 4px 0 0 var(--whistle); }
.page-products .rail-id {
  flex: 0 0 46px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--note);
}
.page-products .rail-name {
  flex: 0 1 auto;
  margin: 0;
  font-family: var(--font-head);
  font-size: 18px;
  line-height: 1.3;
  letter-spacing: -0.01em;
}
.page-products .rail-stat {
  flex: 0 0 auto;
  font-size: 15px;
  font-weight: 700;
  color: var(--night);
}
.page-products .rail-cycle {
  flex: 1 1 200px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--note);
}

/* 通用分栏 */
.page-products .split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}
.page-products .split__main {
  min-width: 0;
}
.page-products .split__side {
  min-width: 0;
}

/* 五段区间色带 */
.page-products .band {
  display: flex;
  height: 88px;
  border: var(--pp-edge-ink);
  overflow: hidden;
  background: var(--paper);
}
.page-products .band__seg {
  display: flex;
  align-items: flex-end;
  padding: 9px 10px;
  font-size: 12px;
  letter-spacing: 0.04em;
  line-height: 1.3;
  color: var(--paper);
  transition: filter var(--ease);
}
.page-products .band__seg:hover {
  filter: brightness(1.12);
}
.page-products .band__seg--up { flex: 14 1 0; background: var(--pitch); }
.page-products .band__seg--play { flex: 18 1 0; background: var(--night); }
.page-products .band__seg--safe { flex: 36 1 0; background: var(--cream); color: var(--ink); }
.page-products .band__seg--edge { flex: 18 1 0; background: var(--whistle); }
.page-products .band__seg--down { flex: 14 1 0; background: var(--correct); }
.page-products .band__cap {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
}

/* 校正步骤 */
.page-products .steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}
.page-products .steps li {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--line-soft);
}
.page-products .steps li:first-child {
  border-top: 1px solid var(--line);
}
.page-products .steps__n {
  flex: 0 0 auto;
  padding-top: 3px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ochre);
}
.page-products .steps b {
  display: block;
  font-size: 15px;
  line-height: 1.5;
  margin-bottom: 3px;
}
.page-products .steps p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--note);
}

/* 侧栏卡片与字段行 */
.page-products .side-card {
  border: var(--pp-edge-ink);
  background: var(--cream);
  box-shadow: var(--shadow-1);
  padding: 16px 16px 6px;
}
.page-products .side-card--deep {
  background: var(--deep);
  color: var(--on-deep);
  border-color: var(--deep);
}
.page-products .side-card--deep .eyebrow {
  color: var(--mint);
}
.page-products .side-card .eyebrow {
  margin: 0 0 12px;
}
.page-products .fields {
  display: grid;
  gap: 0;
}
.page-products .field {
  display: flex;
  flex-wrap: wrap;
  gap: 3px 16px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line-soft);
  font-size: 14px;
  line-height: 1.65;
}
.page-products .side-card--deep .field {
  border-bottom-color: rgba(245, 239, 227, 0.2);
}
.page-products .field:last-child {
  border-bottom: 0;
}
.page-products .field__k {
  flex: 0 0 88px;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--note);
}
.page-products .side-card--deep .field__k {
  color: var(--on-deep-dim);
}
.page-products .field__v {
  flex: 1 1 200px;
  min-width: 0;
}

/* 双口径 */
.page-products .dual {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border: var(--pp-edge-ink);
  background: var(--paper);
  box-shadow: var(--shadow-1);
}
.page-products .dual__col {
  padding: 18px 18px 20px;
}
.page-products .dual__col + .dual__col {
  border-top: 1px solid var(--line);
}
.page-products .dual__col h3 {
  margin: 4px 0 14px;
  font-family: var(--font-head);
  font-size: 19px;
  line-height: 1.32;
  letter-spacing: -0.01em;
}
.page-products .dual__col .eyebrow {
  margin: 0;
  color: var(--ochre);
}
.page-products .slices {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-products .slices li {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 4px 14px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line-soft);
  font-size: 14px;
  line-height: 1.6;
}
.page-products .slices li:last-child {
  border-bottom: 0;
}
.page-products .slices__k {
  font-weight: 600;
}
.page-products .slices__v {
  flex: 1 1 140px;
  text-align: right;
  font-size: 13px;
  color: var(--note);
}
.page-products .dual__figure {
  margin-top: 24px;
}
.page-products .body-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--ink);
  border-left: 3px solid var(--night);
  padding-left: 14px;
}

/* 要点列表 */
.page-products .points {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-products .points li {
  padding: 15px 0;
  border-top: 1px solid var(--line-soft);
}
.page-products .points li:first-child {
  border-top: 1px solid var(--ink);
}
.page-products .points h3 {
  margin: 0 0 5px;
  font-family: var(--font-head);
  font-size: 17px;
  line-height: 1.4;
  letter-spacing: -0.005em;
}
.page-products .points p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--note);
}

/* 青训组别 */
.page-products .youth__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.page-products .youth__rail {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 4px 2px 12px;
  scrollbar-width: thin;
}
.page-products .youth__chip {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 84px;
  height: 110px;
  padding: 10px 10px 0;
  border: var(--pp-edge-ink);
  background: var(--paper);
  cursor: pointer;
  box-shadow: var(--shadow-1);
  transition: background var(--ease), box-shadow var(--ease), transform var(--ease);
}
.page-products .youth__chip:hover,
.page-products .youth__chip:focus-visible {
  background: var(--cream);
  box-shadow: var(--shadow-2);
  transform: translateY(-2px);
}
.page-products .youth__chipName {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--note);
}
.page-products .youth__chipNum {
  font-size: 19px;
  font-weight: 700;
  line-height: 1;
  color: var(--ink);
}
.page-products .youth__chip::after {
  content: "";
  display: block;
  width: 100%;
  margin-top: auto;
  background: linear-gradient(180deg, var(--ochre), var(--whistle));
}
.page-products .youth__chip:nth-child(1)::after { height: 42px; }
.page-products .youth__chip:nth-child(2)::after { height: 38px; }
.page-products .youth__chip:nth-child(3)::after { height: 35px; }
.page-products .youth__chip:nth-child(4)::after { height: 32px; }
.page-products .youth__chip:nth-child(5)::after { height: 28px; }
.page-products .youth__chip:nth-child(6)::after { height: 24px; }
.page-products .youth__chip:nth-child(7)::after { height: 21px; }

.page-products #yg-u9:checked ~ .youth__rail .youth__chip[for="yg-u9"],
.page-products #yg-u11:checked ~ .youth__rail .youth__chip[for="yg-u11"],
.page-products #yg-u13:checked ~ .youth__rail .youth__chip[for="yg-u13"],
.page-products #yg-u15:checked ~ .youth__rail .youth__chip[for="yg-u15"],
.page-products #yg-u17:checked ~ .youth__rail .youth__chip[for="yg-u17"],
.page-products #yg-u19:checked ~ .youth__rail .youth__chip[for="yg-u19"],
.page-products #yg-res:checked ~ .youth__rail .youth__chip[for="yg-res"] {
  background: var(--cream);
  box-shadow: var(--shadow-2);
  outline: 2px solid var(--whistle);
  outline-offset: -2px;
}

.page-products .youth__panels {
  margin-top: 10px;
  border: var(--pp-edge-ink);
  background: var(--paper);
  box-shadow: var(--shadow-1);
  padding: 18px 18px 8px;
}
.page-products .youth__panel {
  display: none;
}
.page-products .youth__panel h3 {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: 18px;
  line-height: 1.4;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 12px;
}
.page-products .youth__panelTag {
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--night);
  font-weight: 400;
}
.page-products #yg-u9:checked ~ .youth__panels .youth__panel--u9,
.page-products #yg-u11:checked ~ .youth__panels .youth__panel--u11,
.page-products #yg-u13:checked ~ .youth__panels .youth__panel--u13,
.page-products #yg-u15:checked ~ .youth__panels .youth__panel--u15,
.page-products #yg-u17:checked ~ .youth__panels .youth__panel--u17,
.page-products #yg-u19:checked ~ .youth__panels .youth__panel--u19,
.page-products #yg-res:checked ~ .youth__panels .youth__panel--res {
  display: block;
}
.page-products .youth__figure {
  margin-top: 24px;
}

/* 赛事对照 */
.page-products .cross {
  border: var(--pp-edge-ink);
  background: var(--paper);
  box-shadow: var(--shadow-1);
}
.page-products .cross__head {
  display: none;
}
.page-products .cross__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 6px 14px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line-soft);
  transition: background var(--ease);
}
.page-products .cross__row:last-child {
  border-bottom: 0;
}
.page-products .cross__row:hover {
  background: var(--cream);
}
.page-products .cross__region {
  font-family: var(--font-head);
  font-size: 17px;
  letter-spacing: -0.005em;
}
.page-products .cross__row > span:nth-child(2) {
  font-size: 14px;
  font-weight: 700;
  color: var(--night);
  text-align: right;
}
.page-products .cross__row > span:nth-child(3),
.page-products .cross__row > span:nth-child(4) {
  grid-column: 1 / -1;
  font-size: 13px;
  line-height: 1.65;
  color: var(--note);
}
.page-products .cross__figure {
  margin-top: 24px;
}

/* 术语表 */
.page-products .gloss {
  margin-top: 30px;
  border-top: 3px solid var(--ochre);
  padding-top: 16px;
}
.page-products .gloss__title {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: 19px;
  letter-spacing: -0.01em;
}
.page-products .gloss__list {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}
.page-products .gloss__item {
  padding: 11px 12px;
  border-bottom: 1px solid var(--line-soft);
  border-left: 2px solid transparent;
  transition: border-color var(--ease), background var(--ease);
}
.page-products .gloss__item:hover,
.page-products .gloss__item:focus-visible {
  border-left-color: var(--whistle);
  background: var(--cream);
  outline: none;
}
.page-products .gloss__item dt {
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: 0.01em;
  margin-bottom: 3px;
}
.page-products .gloss__item dd {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--note);
}

/* 出口段落 */
.page-products .handoff {
  margin-top: 28px;
  border: var(--pp-edge);
  border-left: 6px solid var(--night);
  background: var(--cream);
  padding: 16px 18px;
}
.page-products .handoff p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
}

/* 桌面端 */
@media (min-width: 700px) {
  .page-products .head__ticker {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-products .head__ticker li {
    flex-direction: column;
    gap: 3px;
    padding: 13px 14px;
  }
  .page-products .dual {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
  .page-products .dual__col + .dual__col {
    border-top: 0;
    border-left: 1px solid var(--line);
  }
  .page-products .cross__head {
    display: grid;
    grid-template-columns: 1fr 90px 1.2fr 1.6fr 96px;
    gap: 14px;
    padding: 10px 16px;
    background: var(--deep);
    color: var(--on-deep);
    font-size: 12px;
    letter-spacing: 0.08em;
  }
  .page-products .cross__row {
    grid-template-columns: 1fr 90px 1.2fr 1.6fr 96px;
    align-items: center;
    padding: 13px 16px;
  }
  .page-products .cross__row > span:nth-child(2) {
    text-align: left;
  }
  .page-products .cross__row > span:nth-child(3),
  .page-products .cross__row > span:nth-child(4) {
    grid-column: auto;
    font-size: 13.5px;
    color: var(--ink);
  }
  .page-products .gloss__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .gloss__item {
    border-right: 1px solid var(--line-soft);
  }
}

@media (min-width: 960px) {
  .page-products .split {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 34px;
  }
  .page-products .biz-section {
    margin-bottom: 68px;
  }
  .page-products .slant {
    margin-bottom: 68px;
  }
  .page-products .youth__rail {
    gap: 10px;
  }
  .page-products .youth__chip {
    width: 96px;
    height: 124px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .rail-row,
  .page-products .band__seg,
  .page-products .youth__chip,
  .page-products .cross__row,
  .page-products .gloss__item {
    transition: none;
  }
}