.page-products {
  --expr-hair: rgba(217, 164, 65, 0.22);
  --expr-hair-soft: rgba(217, 164, 65, 0.1);
  position: relative;
  padding-top: clamp(82px, 11vw, 118px);
  padding-bottom: clamp(48px, 7vw, 96px);
  color: var(--paper);
  background:
    radial-gradient(1000px 480px at 88% -8%, rgba(200, 16, 46, 0.16), transparent 70%),
    radial-gradient(880px 460px at 2% 26%, rgba(14, 46, 51, 0.6), transparent 68%),
    var(--ink);
}

.page-products .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-products .crumbs__item + .crumbs__item::before {
  content: "/";
  margin-right: 6px;
  color: rgba(217, 164, 65, 0.5);
}

.page-products .crumbs a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--ease), border-color var(--ease);
}

.page-products .crumbs a:hover,
.page-products .crumbs a:focus-visible {
  color: var(--gold);
  border-color: var(--gold);
}

/* ---------- 首屏 ---------- */

.page-products .expr-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 40px);
  margin-top: clamp(18px, 3vw, 32px);
  padding-bottom: clamp(30px, 4.5vw, 54px);
  border-bottom: 1px solid var(--expr-hair);
}

.page-products .expr-head h1 {
  margin: 14px 0 0;
  font-family: var(--font-body);
  font-weight: 900;
  font-size: clamp(2rem, 8vw, 4.4rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-products .expr-head__intro {
  max-width: 60ch;
  margin: clamp(14px, 2vw, 20px) 0 0;
  font-size: clamp(0.98rem, 1.2vw, 1.1rem);
  line-height: 1.82;
  color: rgba(245, 241, 232, 0.84);
}

.page-products .expr-head__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(18px, 2.6vw, 28px);
}

.page-products .expr-head__side {
  display: grid;
  gap: 1px;
  border: 1px solid var(--expr-hair-soft);
  border-radius: var(--radius-m);
  background: var(--expr-hair-soft);
  overflow: hidden;
}

.page-products .expr-fact {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px;
  padding: 12px 16px;
  background: linear-gradient(120deg, rgba(20, 28, 43, 0.94), rgba(11, 14, 19, 0.9));
}

.page-products .expr-fact__k {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-products .expr-fact__v {
  font-family: var(--font-num);
  font-size: 1rem;
  letter-spacing: 0.04em;
  color: var(--gold);
}

/* ---------- 轮次轴 ---------- */

.page-products .expr-rail {
  margin: clamp(22px, 3.4vw, 40px) 0;
}

.page-products .expr-rail__track {
  display: flex;
  gap: clamp(10px, 2vw, 26px);
  margin: 0;
  padding: 6px 2px 12px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
}

.page-products .expr-rail__node {
  flex: 0 0 auto;
  scroll-snap-align: start;
  min-width: 112px;
}

.page-products .expr-rail__link {
  position: relative;
  display: grid;
  gap: 3px;
  padding: 14px 0 0;
  text-decoration: none;
  color: var(--mist);
  transition: color var(--ease);
}

.page-products .expr-rail__link::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), rgba(217, 164, 65, 0.1));
  transition: height var(--ease), background var(--ease);
}

.page-products .expr-rail__link:hover,
.page-products .expr-rail__link:focus-visible {
  color: var(--paper);
}

.page-products .expr-rail__link:hover::before,
.page-products .expr-rail__link:focus-visible::before {
  height: 3px;
  background: linear-gradient(90deg, var(--red-lit), var(--gold-flag));
}

.page-products .expr-rail__code {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-products .expr-rail__name {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-products .expr-rail__meta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: rgba(154, 163, 175, 0.9);
}

/* ---------- 章节骨架 ---------- */

.page-products .expr-chapter {
  position: relative;
  padding: clamp(34px, 6vw, 78px) 0;
  border-bottom: 1px solid var(--expr-hair-soft);
  scroll-margin-top: 96px;
}

.page-products .expr-chapter:last-of-type {
  border-bottom: 0;
}

.page-products .expr-chapter__head {
  max-width: 72ch;
}

.page-products .expr-chapter__head h2 {
  margin: 14px 0 0;
  font-size: clamp(1.42rem, 4.6vw, 2.4rem);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-products .expr-chapter__lead {
  margin: clamp(12px, 1.6vw, 18px) 0 0;
  font-size: clamp(0.96rem, 1.15vw, 1.05rem);
  line-height: 1.82;
  color: rgba(245, 241, 232, 0.78);
}

.page-products .figure {
  margin-top: clamp(20px, 3vw, 32px);
}

.page-products .figure__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-m);
  object-fit: cover;
  background: linear-gradient(135deg, var(--jade), var(--wine-deep));
}

.page-products .figure__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 轮次抽屉 ---------- */

.page-products .expr-drawers {
  display: grid;
  gap: 10px;
  margin-top: clamp(18px, 2.6vw, 30px);
}

.page-products .expr-drawer {
  border: 1px solid var(--expr-hair);
  border-radius: var(--radius-m);
  background: linear-gradient(150deg, rgba(20, 28, 43, 0.9), rgba(11, 14, 19, 0.94));
  overflow: hidden;
  transition: border-color var(--ease), background var(--ease);
}

.page-products .expr-drawer[open] {
  border-color: rgba(200, 16, 46, 0.5);
  background: linear-gradient(150deg, rgba(14, 46, 51, 0.92), rgba(11, 14, 19, 0.96));
}

.page-products .expr-drawer__sum {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px clamp(14px, 2vw, 22px);
  cursor: pointer;
  list-style: none;
  transition: background var(--ease);
}

.page-products .expr-drawer__sum::-webkit-details-marker {
  display: none;
}

.page-products .expr-drawer__sum::marker {
  content: "";
}

.page-products .expr-drawer__sum:hover {
  background: rgba(245, 241, 232, 0.04);
}

.page-products .expr-drawer__sum::after {
  content: "";
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--gold);
  border-bottom: 2px solid var(--gold);
  transform: rotate(45deg);
  transition: transform var(--ease);
}

.page-products .expr-drawer[open] .expr-drawer__sum::after {
  transform: rotate(225deg);
}

.page-products .expr-drawer__code {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--gold);
  padding: 3px 8px;
  border: 1px solid var(--expr-hair);
  border-radius: 6px;
  flex: 0 0 auto;
}

.page-products .expr-drawer__name {
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-products .expr-drawer__count {
  margin-left: auto;
  font-family: var(--font-num);
  font-size: 0.92rem;
  letter-spacing: 0.06em;
  color: var(--mist);
  white-space: nowrap;
}

.page-products .expr-drawer__body {
  padding: 2px clamp(14px, 2vw, 22px) clamp(16px, 2.4vw, 22px);
  border-top: 1px solid var(--expr-hair-soft);
}

.page-products .expr-fixtures {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(132px, 1fr));
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .expr-fixtures li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: rgba(245, 241, 232, 0.82);
  background: rgba(245, 241, 232, 0.035);
  border: 1px solid var(--expr-hair-soft);
  border-radius: 8px;
}

.page-products .expr-fixtures li::before {
  content: "";
  flex: 0 0 auto;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--gold);
}

/* ---------- 对阵密度网格 ---------- */

.page-products .expr-density {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(10px, 1.6vw, 18px);
  margin: clamp(18px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .expr-density__item {
  display: grid;
  align-content: start;
  gap: 10px;
  padding: clamp(12px, 1.8vw, 18px);
  border: 1px solid var(--expr-hair-soft);
  border-radius: var(--radius-m);
  background: linear-gradient(150deg, rgba(14, 46, 51, 0.55), rgba(11, 14, 19, 0.72));
}

.page-products .expr-density__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-products .expr-density__cells {
  counter-reset: cell;
  display: grid;
  grid-template-columns: repeat(var(--cols, 1), minmax(0, 1fr));
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .expr-density__cells li {
  counter-increment: cell;
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
  border-radius: 4px;
  border: 1px solid rgba(200, 16, 46, 0.38);
  background: linear-gradient(140deg, rgba(200, 16, 46, 0.28), rgba(42, 18, 22, 0.5));
  font-family: var(--font-num);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: rgba(245, 241, 232, 0.6);
}

.page-products .expr-density__cells li::after {
  content: counter(cell, decimal-leading-zero);
}

.page-products .expr-density__num {
  font-family: var(--font-num);
  font-size: 0.92rem;
  letter-spacing: 0.06em;
  color: rgba(245, 241, 232, 0.7);
}

/* ---------- 判罚记录墙 ---------- */

.page-products .expr-wall {
  margin-top: clamp(20px, 3vw, 32px);
  border: 1px solid var(--expr-hair);
  border-radius: var(--radius-l);
  overflow: hidden;
  background:
    radial-gradient(520px 260px at 10% 0%, rgba(200, 16, 46, 0.24), transparent 70%),
    radial-gradient(520px 260px at 94% 100%, rgba(242, 183, 5, 0.18), transparent 70%),
    linear-gradient(160deg, rgba(42, 18, 22, 0.96), rgba(11, 14, 19, 0.98));
}

.page-products .expr-wall__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 15px clamp(14px, 2.2vw, 24px);
  border-bottom: 1px solid var(--expr-hair-soft);
}

.page-products .expr-wall__tab {
  padding: 6px 14px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--mist);
  border: 1px solid var(--expr-hair-soft);
}

.page-products .expr-wall__tab.is-active {
  color: var(--paper);
  border-color: rgba(200, 16, 46, 0.7);
  background: rgba(200, 16, 46, 0.26);
}

.page-products .expr-wall__panels {
  display: grid;
  grid-template-columns: 1fr;
}

.page-products .expr-wall__panel {
  position: relative;
  min-height: 210px;
  padding: clamp(20px, 3vw, 34px);
  overflow: hidden;
}

.page-products .expr-wall__panel--red {
  background: linear-gradient(155deg, rgba(200, 16, 46, 0.34), rgba(42, 18, 22, 0.52));
  border-bottom: 1px solid var(--expr-hair-soft);
}

.page-products .expr-wall__panel--yellow {
  background: linear-gradient(155deg, rgba(242, 183, 5, 0.24), rgba(20, 28, 43, 0.5));
}

.page-products .expr-wall__label {
  position: relative;
  z-index: 1;
  display: block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  color: var(--paper);
}

.page-products .expr-wall__word {
  position: absolute;
  right: -0.04em;
  bottom: -0.18em;
  font-size: clamp(5rem, 26vw, 8.5rem);
  font-weight: 900;
  line-height: 0.8;
  letter-spacing: -0.04em;
  pointer-events: none;
  user-select: none;
}

.page-products .expr-wall__panel--red .expr-wall__word {
  color: rgba(228, 34, 58, 0.82);
  text-shadow: 0 0 44px rgba(200, 16, 46, 0.6);
}

.page-products .expr-wall__panel--yellow .expr-wall__word {
  color: rgba(242, 183, 5, 0.82);
  text-shadow: 0 0 44px rgba(242, 183, 5, 0.42);
}

.page-products .expr-wall__dims {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 8px;
  max-width: 26ch;
  margin: clamp(16px, 2.2vw, 26px) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .expr-wall__dims li {
  display: flex;
  gap: 8px;
  font-size: 0.9rem;
  line-height: 1.66;
  color: rgba(245, 241, 232, 0.9);
}

.page-products .expr-wall__dims li::before {
  content: "—";
  flex: 0 0 auto;
  opacity: 0.55;
}

/* ---------- 画面比例 ---------- */

.page-products .expr-ratios {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(12px, 1.8vw, 22px);
  margin: clamp(18px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .expr-ratio {
  display: grid;
  align-content: start;
  gap: 12px;
  padding: clamp(16px, 2.2vw, 24px);
  border: 1px solid var(--expr-hair-soft);
  border-radius: var(--radius-m);
  background: linear-gradient(150deg, rgba(20, 28, 43, 0.86), rgba(11, 14, 19, 0.9));
}

.page-products .expr-ratio__badge {
  justify-self: start;
  padding: 3px 12px;
  border: 1px solid rgba(242, 183, 5, 0.35);
  border-radius: 999px;
  font-family: var(--font-num);
  font-size: 1.34rem;
  letter-spacing: 0.05em;
  color: var(--gold-flag);
}

.page-products .expr-ratio__frame {
  display: block;
  width: 100%;
  max-width: 260px;
  border: 1px dashed rgba(217, 164, 65, 0.42);
  border-radius: var(--radius-s);
  background:
    repeating-linear-gradient(135deg, rgba(46, 155, 214, 0.12) 0 8px, transparent 8px 16px);
}

.page-products .expr-ratio__frame--169 {
  aspect-ratio: 16 / 9;
}

.page-products .expr-ratio__frame--219 {
  aspect-ratio: 21 / 9;
}

.page-products .expr-ratio__frame--43 {
  aspect-ratio: 4 / 3;
}

.page-products .expr-ratio h3 {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-products .expr-ratio p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.76;
  color: rgba(245, 241, 232, 0.76);
}

/* ---------- 刷新节奏 ---------- */

.page-products .expr-timeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(10px, 1.6vw, 18px);
  margin: clamp(18px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .expr-timeline__step {
  position: relative;
  padding: clamp(16px, 2.2vw, 22px);
  border: 1px solid var(--expr-hair-soft);
  border-radius: var(--radius-m);
  background: linear-gradient(160deg, rgba(14, 46, 51, 0.72), rgba(11, 14, 19, 0.9));
}

.page-products .expr-timeline__step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  border-radius: var(--radius-m) 0 0 var(--radius-m);
  background: linear-gradient(180deg, var(--gold-flag), var(--red));
}

.page-products .expr-timeline__tick {
  display: inline-block;
  margin-bottom: 10px;
  padding: 3px 10px;
  border: 1px solid var(--expr-hair);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-products .expr-timeline__step p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.76;
  color: rgba(245, 241, 232, 0.78);
}

/* ---------- 常用入口 ---------- */

.page-products .expr-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(10px, 1.6vw, 18px);
  margin: clamp(18px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .expr-steps__item {
  padding: clamp(16px, 2.2vw, 22px);
  border: 1px solid var(--expr-hair-soft);
  border-radius: var(--radius-m);
  background: linear-gradient(150deg, rgba(20, 28, 43, 0.86), rgba(11, 14, 19, 0.92));
}

.page-products .expr-steps__no {
  display: block;
  font-family: var(--font-num);
  font-size: 1.6rem;
  letter-spacing: 0.06em;
  color: var(--red-lit);
  line-height: 1;
}

.page-products .expr-steps__item h3 {
  margin: 10px 0 0;
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-products .expr-steps__item p {
  margin: 8px 0 0;
  font-size: 0.9rem;
  line-height: 1.76;
  color: rgba(245, 241, 232, 0.74);
}

/* ---------- 版本对比 ---------- */

.page-products .expr-diff {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(12px, 2vw, 22px);
  margin-top: clamp(18px, 3vw, 30px);
}

.page-products .expr-diff__col {
  padding: clamp(18px, 2.4vw, 26px);
  border-radius: var(--radius-m);
  border: 1px solid var(--expr-hair-soft);
}

.page-products .expr-diff__col--old {
  background: linear-gradient(160deg, rgba(20, 28, 43, 0.8), rgba(11, 14, 19, 0.9));
}

.page-products .expr-diff__col--new {
  background: linear-gradient(160deg, rgba(74, 18, 32, 0.72), rgba(11, 14, 19, 0.94));
  border-color: rgba(200, 16, 46, 0.42);
}

.page-products .expr-diff__col h3 {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-products .expr-diff__col--new h3 {
  color: var(--red-lit);
}

.page-products .expr-diff__col ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .expr-diff__col li {
  display: flex;
  gap: 10px;
  font-size: 0.92rem;
  line-height: 1.72;
  color: rgba(245, 241, 232, 0.8);
}

.page-products .expr-diff__col li::before {
  content: "";
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  margin-top: 0.62em;
  border-radius: 50%;
  background: var(--mist);
}

.page-products .expr-diff__col--new li::before {
  background: var(--red-lit);
}

/* ---------- 收尾 ---------- */

.page-products .expr-tail {
  margin-top: clamp(30px, 5vw, 64px);
  padding: clamp(24px, 4vw, 44px);
  border-radius: var(--radius-l);
  border: 1px solid var(--expr-hair);
  background:
    radial-gradient(560px 260px at 8% 0%, rgba(46, 155, 214, 0.16), transparent 70%),
    linear-gradient(150deg, rgba(14, 46, 51, 0.85), rgba(11, 14, 19, 0.96));
}

.page-products .expr-tail h2 {
  margin: 0;
  font-size: clamp(1.32rem, 4vw, 2rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-products .expr-tail p {
  max-width: 58ch;
  margin: 12px 0 0;
  font-size: 0.96rem;
  line-height: 1.8;
  color: rgba(245, 241, 232, 0.78);
}

.page-products .expr-tail__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(18px, 2.6vw, 26px);
}

/* ---------- 桌面栅格 ---------- */

@media (min-width: 720px) {
  .page-products .expr-density {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

  .page-products .expr-ratios {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-products .expr-head {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 60px);
    align-items: end;
  }

  .page-products .expr-wall__panels {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .page-products .expr-wall__panel--red {
    border-bottom: 0;
    border-right: 1px solid var(--expr-hair-soft);
  }

  .page-products .expr-wall__word {
    font-size: clamp(6rem, 9vw, 9rem);
  }
}

@media (min-width: 1180px) {
  .page-products .expr-timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .expr-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .expr-rail__link,
  .page-products .expr-rail__link::before,
  .page-products .expr-drawer,
  .page-products .expr-drawer__sum,
  .page-products .expr-drawer__sum::after,
  .page-products .crumbs a {
    transition: none;
  }
}

.page-products {
  --cols: inherit;
}