.page-products {
  --pp-rail: 4.25rem;
  --pp-gap: clamp(1rem, 3vw, 2rem);
  --pp-accent: var(--accent, var(--copper));
  color: var(--snow);
  padding-bottom: clamp(3rem, 8vw, 6rem);
}

.page-products h1,
.page-products h2,
.page-products h3,
.page-products p {
  margin: 0;
}

.page-products ul {
  margin: 0;
}

/* ---------- 首屏 ---------- */

.page-products .prod-hero {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: center;
  margin-block: clamp(1rem, 3vw, 1.75rem) clamp(2rem, 5vw, 3.5rem);
}

@media (min-width: 960px) {
  .page-products .prod-hero {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    gap: clamp(2rem, 5vw, 4.5rem);
  }
}

.page-products .prod-hero__title {
  font-family: var(--font-serif);
  font-size: clamp(1.85rem, 6.2vw, 3.3rem);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: -0.015em;
  color: var(--snow);
  margin: 0.6rem 0 1.1rem;
  max-width: 22ch;
}

.page-products .prod-hero__lede {
  font-size: clamp(1rem, 2.3vw, 1.0625rem);
  line-height: 1.9;
  color: var(--winter);
  max-width: 44ch;
}

.page-products .prod-facts {
  list-style: none;
  margin: clamp(1.4rem, 3vw, 2rem) 0 0;
  padding: 1px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border-radius: 6px;
  overflow: hidden;
}

@media (min-width: 700px) {
  .page-products .prod-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-products .prod-facts li {
  background: var(--ink-2);
  padding: 0.85rem 0.95rem;
}

.page-products .prod-facts strong {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(1.3rem, 3.2vw, 1.7rem);
  line-height: 1.15;
  color: var(--copper);
}

.page-products .prod-facts span {
  display: block;
  margin-top: 0.3rem;
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--muted);
}

.page-products .prod-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: clamp(1.5rem, 3vw, 2rem);
}

/* 首屏图形 */

.page-products .prod-hero__visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 240px;
  padding: clamp(1rem, 3vw, 1.75rem);
  border: 1px solid var(--line-copper);
  border-radius: var(--radius-organic);
  background:
    radial-gradient(120% 90% at 78% 12%, rgba(47, 211, 200, 0.16), transparent 60%),
    radial-gradient(100% 80% at 8% 94%, rgba(201, 133, 74, 0.2), transparent 62%),
    linear-gradient(158deg, var(--summer) 0%, var(--ink-3) 70%);
  overflow: hidden;
}

.page-products .prod-hero__visual::after {
  content: "";
  position: absolute;
  inset: auto -20% -34% 30%;
  height: 72%;
  background: linear-gradient(120deg, rgba(95, 168, 94, 0.26), rgba(47, 211, 200, 0.08));
  transform: rotate(-8deg);
  pointer-events: none;
}

.page-products .prod-pitch {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  max-width: 30rem;
  height: auto;
}

.page-products .prod-hero__stamp {
  position: absolute;
  top: clamp(0.75rem, 2vw, 1.25rem);
  right: clamp(0.75rem, 2vw, 1.25rem);
  z-index: 2;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--ink);
  background: var(--copper);
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
}

/* ---------- 章节骨架 ---------- */

.page-products .prod-section {
  position: relative;
  display: grid;
  gap: clamp(0.85rem, 2.5vw, 1.75rem);
  padding-block: clamp(1.9rem, 4.5vw, 3.1rem);
  border-top: 1px solid var(--line);
}

.page-products .prod-section::after {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: clamp(3rem, 12vw, 8rem);
  height: 2px;
  background: linear-gradient(90deg, var(--pp-accent), transparent);
}

@media (min-width: 900px) {
  .page-products .prod-section {
    grid-template-columns: var(--pp-rail) minmax(0, 1fr);
    column-gap: clamp(1rem, 3vw, 2.25rem);
  }
}

.page-products .prod-section__num {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.8125rem;
  letter-spacing: 0.16em;
  color: var(--pp-accent);
}

.page-products .prod-section__num::before {
  content: "";
  flex: none;
  width: 1.5rem;
  height: 1px;
  background: currentColor;
}

.page-products .prod-section__body {
  min-width: 0;
}

/* ---------- 正文排版 ---------- */

.page-products .prod-h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.35rem, 4vw, 2.05rem);
  font-weight: 700;
  line-height: 1.34;
  letter-spacing: -0.01em;
  color: var(--snow);
  margin: 0.45rem 0 0.9rem;
  max-width: 26ch;
}

.page-products .prod-h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--copper);
  margin: 0 0 0.7rem;
}

.page-products .prod-lead {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--winter);
  margin: 0 0 clamp(1.1rem, 2.6vw, 1.6rem);
  max-width: 64ch;
}

.page-products .prod-body {
  font-size: 0.9375rem;
  line-height: 1.9;
  color: var(--winter);
  max-width: 62ch;
}

.page-products .prod-body + .btn {
  margin-top: 1rem;
}

.page-products .prod-note {
  font-size: 0.8125rem;
  line-height: 1.75;
  color: var(--muted);
  margin: 0.85rem 0 0;
}

.page-products .prod-list {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 0.7rem;
  margin: 0 0 1.1rem;
}

.page-products .prod-list li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--winter);
}

.page-products .prod-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 0.44rem;
  height: 0.44rem;
  border-radius: 1px;
  background: var(--pp-accent);
  transform: rotate(45deg);
}

.page-products .prod-list strong {
  color: var(--snow);
  font-weight: 700;
}

/* ---------- 图片 ---------- */

.page-products .prod-figure {
  margin: 0;
}

.page-products .prod-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--ink-2);
  object-fit: cover;
}

.page-products .prod-figure--wide img {
  aspect-ratio: 16 / 10;
}

.page-products .prod-figure .media-caption {
  margin-top: 0.65rem;
  font-size: 0.8125rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 服务卡片 ---------- */

.page-products .prod-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  margin-top: clamp(1.1rem, 3vw, 1.6rem);
}

@media (min-width: 760px) {
  .page-products .prod-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-products .prod-cards .panel {
  padding: clamp(1.1rem, 2.6vw, 1.5rem);
}

.page-products .prod-cards h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--snow);
  margin: 0 0 0.6rem;
}

.page-products .prod-cards p {
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--winter);
}

/* ---------- 两栏 / 图文并排 ---------- */

.page-products .prod-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.1rem, 3vw, 2.25rem);
  align-items: start;
  margin-top: clamp(0.75rem, 2vw, 1.25rem);
}

@media (min-width: 860px) {
  .page-products .prod-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
  .page-products .prod-split--media-first {
    grid-template-columns: minmax(0, 0.84fr) minmax(0, 1.16fr);
  }
}

.page-products .prod-club-copy,
.page-products .prod-chelsea-copy {
  min-width: 0;
}

.page-products .prod-club-copy .prod-h3 + .prod-list,
.page-products .prod-chelsea-copy .prod-list {
  margin-bottom: 1.2rem;
}

.page-products .prod-club-copy .prod-h3:not(:first-child) {
  margin-top: 1.6rem;
}

/* ---------- 技术统计折叠组 ---------- */

.page-products .prod-accordion-group {
  display: grid;
  gap: 0.75rem;
  min-width: 0;
}

.page-products .prod-accordion-group .accordion {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--ink-2);
  overflow: hidden;
  transition: border-color 0.25s var(--ease);
}

.page-products .prod-accordion-group .accordion[open] {
  border-color: var(--line-copper);
}

.page-products .prod-accordion-group .accordion summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 1.1rem;
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.6;
  color: var(--snow);
  cursor: pointer;
  list-style: none;
}

.page-products .prod-accordion-group .accordion summary::-webkit-details-marker {
  display: none;
}

.page-products .prod-accordion-group .accordion summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--pp-accent);
}

.page-products .prod-accordion-group .accordion[open] summary::after {
  content: "\2013";
}

.page-products .prod-accordion-group .accordion-body {
  padding: 0 1.1rem 1.15rem;
}

.page-products .metric-list {
  list-style: none;
  padding: 1px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border-radius: 6px;
  overflow: hidden;
}

@media (min-width: 620px) {
  .page-products .metric-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-products .metric-list li {
  background: var(--ink-3);
  padding: 0.7rem 0.8rem;
}

.page-products .metric-list strong {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--cyan);
}

.page-products .metric-list span {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--muted);
}

/* ---------- 轮次条 ---------- */

.page-products .prod-rounds {
  margin: clamp(1rem, 3vw, 1.5rem) 0 clamp(1.25rem, 3vw, 1.75rem);
}

.page-products .prod-rounds__label {
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin-bottom: 0.65rem;
}

.page-products .rounds-track {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-products .round-chip {
  flex: none;
  scroll-snap-align: center;
  padding: 0.5rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--winter);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.8125rem;
  line-height: 1.4;
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.22s var(--ease), border-color 0.22s var(--ease), color 0.22s var(--ease);
}

.page-products .round-chip:hover {
  border-color: var(--line-copper);
  color: var(--snow);
}

.page-products .round-chip[aria-pressed="true"] {
  background: var(--copper);
  border-color: var(--copper);
  color: var(--ink);
  font-weight: 700;
}

/* ---------- 积分榜分区 ---------- */

.page-products .zone-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.75rem;
}

@media (min-width: 760px) {
  .page-products .zone-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-products .zone {
  padding: 0.95rem 1.05rem 1.1rem;
  background: var(--ink-2);
  border-left: 3px solid var(--pp-accent);
  border-radius: 0 8px 8px 0;
}

.page-products .zone--top {
  border-left-color: var(--cyan);
}

.page-products .zone--mid {
  border-left-color: var(--bud);
}

.page-products .zone--drop {
  border-left-color: var(--brick);
}

.page-products .zone h3 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--snow);
  margin: 0 0 0.5rem;
}

.page-products .zone p {
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--winter);
}

/* ---------- 赛季时间轴 ---------- */

.page-products .season-track {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  padding: 0.35rem 0.2rem 1.25rem;
  margin: 0 0 0.5rem;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-products .season-step {
  flex: none;
  width: min(76vw, 17rem);
  scroll-snap-align: start;
  padding: 1.1rem 1.15rem 1.25rem;
  border: 1px solid var(--line);
  border-top: 3px solid var(--pp-accent);
  border-radius: 4px 4px 14px 4px;
  background: linear-gradient(170deg, var(--ink-2), var(--ink-3));
}

.page-products .season-step--spring {
  border-top-color: var(--spring);
}

.page-products .season-step--summer {
  border-top-color: var(--cyan);
}

.page-products .season-step--autumn {
  border-top-color: var(--autumn);
}

.page-products .season-step--winter {
  border-top-color: var(--winter);
}

.page-products .season-step__name {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--snow);
  margin-bottom: 0.6rem;
}

.page-products .season-step__desc {
  font-size: 0.875rem;
  line-height: 1.85;
  color: var(--winter);
}

.page-products .season-step--spring .season-step__name {
  color: var(--spring);
}

.page-products .season-step--summer .season-step__name {
  color: var(--cyan);
}

.page-products .season-step--autumn .season-step__name {
  color: var(--autumn);
}

.page-products .season-step--winter .season-step__name {
  color: var(--winter);
}

/* ---------- 切尔西专区 ---------- */

.page-products .prod-chelsea-copy {
  border-left: 3px solid var(--copper);
  padding-left: clamp(0.9rem, 2.4vw, 1.4rem);
}

/* ---------- 下一步 ---------- */

.page-products .prod-next {
  margin-top: clamp(2rem, 5vw, 3.5rem);
  padding-top: clamp(1.75rem, 4vw, 2.5rem);
  border-top: 1px solid var(--line-copper);
}

.page-products .prod-next__links {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  margin-top: clamp(1.1rem, 3vw, 1.6rem);
}

@media (min-width: 760px) {
  .page-products .prod-next__links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-products .prod-next__links .panel {
  display: block;
  padding: clamp(1.05rem, 2.6vw, 1.45rem);
  text-decoration: none;
  transition: border-color 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-products .prod-next__links .panel:hover {
  border-color: var(--line-copper);
  transform: translateY(-3px);
}

.page-products .prod-next__links strong {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  color: var(--copper);
  margin-bottom: 0.5rem;
}

.page-products .prod-next__links span {
  display: block;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--winter);
}

@media (prefers-reduced-motion: reduce) {
  .page-products .round-chip,
  .page-products .prod-accordion-group .accordion,
  .page-products .prod-next__links .panel {
    transition: none;
  }
  .page-products .prod-next__links .panel:hover {
    transform: none;
  }
}