.page-products {
  --pp-line: var(--crack-blue);
  --pp-surface: linear-gradient(165deg, var(--bg-night), var(--bg-deep) 72%);
  --pp-radius: 2px;
  background: var(--bg-deep);
  color: var(--ice-white);
  padding-bottom: clamp(56px, 8vw, 120px);
  overflow-x: clip;
}

.page-products .page-container {
  width: 100%;
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: clamp(16px, 3vw, 28px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--frost-silver);
}

.page-products .breadcrumb a {
  color: var(--frost-silver);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}

.page-products .breadcrumb a:hover,
.page-products .breadcrumb a:focus-visible {
  color: var(--ice-blue);
  border-color: var(--ice-blue);
}

.page-products .breadcrumb-sep {
  opacity: 0.45;
}

/* ---------- 首屏 ---------- */
.page-products .catalog-hero {
  padding-block: clamp(26px, 5vw, 58px) clamp(30px, 5vw, 64px);
}

.page-products .catalog-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 6.2vw, 74px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin: 16px 0 0;
  max-width: 20ch;
  background: linear-gradient(102deg, #F3F8FF 26%, #C2D8F4 68%, var(--aurora-purple) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-products .catalog-hero .lede {
  margin-top: clamp(18px, 3vw, 30px);
  max-width: 62ch;
  font-size: clamp(16px, 1.7vw, 19px);
  line-height: 1.9;
  color: var(--frost-silver);
}

.page-products .hero-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(28px, 4vw, 48px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--pp-line);
  border: 1px solid var(--pp-line);
}

.page-products .hero-meta-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  background: var(--bg-deep);
}

.page-products .meta-value {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(22px, 3vw, 30px);
  letter-spacing: 0.01em;
  color: var(--neon-cyan);
}

.page-products .meta-label {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--frost-silver);
}

/* ---------- 章节索引 ---------- */
.page-products .chapter-rail {
  position: sticky;
  top: calc(var(--header-h) + 8px);
  z-index: 6;
  display: flex;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 10px 0;
  margin-bottom: clamp(36px, 6vw, 72px);
  border-top: 1px solid var(--pp-line);
  border-bottom: 1px solid var(--pp-line);
  background: rgba(5, 11, 24, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.page-products .chapter-rail::-webkit-scrollbar {
  display: none;
}

.page-products .chapter-link {
  flex: 0 0 auto;
  padding: 6px 13px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--frost-silver);
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid transparent;
  border-radius: 999px;
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}

.page-products .chapter-link:hover,
.page-products .chapter-link:focus-visible {
  color: var(--ice-white);
  border-color: var(--pp-line);
}

.page-products .chapter-link.is-active {
  color: var(--ice-white);
  border-color: var(--ice-blue);
  background: rgba(61, 155, 240, 0.12);
}

/* ---------- 章节骨架 ---------- */
.page-products .chapter-section {
  position: relative;
  padding-block: clamp(38px, 6.5vw, 88px);
  scroll-margin-top: calc(var(--header-h) + 74px);
}

.page-products .chapter-section + .chapter-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--pp-line) 12%, var(--pp-line) 88%, transparent);
  transform: rotate(-0.35deg);
  transform-origin: left center;
}

.page-products .chapter-head {
  max-width: 64ch;
}

.page-products .chapter-head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(25px, 3.8vw, 42px);
  line-height: 1.16;
  letter-spacing: -0.018em;
  margin: 12px 0 14px;
  color: var(--ice-white);
}

.page-products .chapter-head .text-measure {
  color: var(--frost-silver);
  font-size: 16px;
  line-height: 1.9;
  max-width: 62ch;
}

.page-products .heading-3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18px, 2.1vw, 22px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  margin: 0 0 10px;
  color: var(--ice-white);
}

/* ---------- 入口 ---------- */
.page-products .entry-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.4vw, 44px);
  margin-top: clamp(26px, 4vw, 46px);
}

.page-products .entry-visual {
  margin: 0;
  border: 1px solid var(--pp-line);
  background: var(--bg-night);
  overflow: hidden;
}

.page-products .entry-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-products .data-tabs {
  position: relative;
}

.page-products .tab-bar {
  display: flex;
  gap: 4px;
  width: fit-content;
  max-width: 100%;
  padding: 4px;
  border: 1px solid var(--pp-line);
  border-radius: 999px;
  background: var(--bg-night);
}

.page-products .data-tab {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--frost-silver);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  padding: 8px 18px;
  border-radius: 999px;
  white-space: nowrap;
  cursor: pointer;
  transition: background 180ms ease, color 180ms ease;
}

.page-products .data-tab:hover {
  color: var(--ice-white);
}

.page-products .data-tab.is-active {
  background: var(--ice-blue);
  color: #04101F;
  font-weight: 600;
}

.page-products .tab-panel {
  display: none;
}

.page-products .tab-panel.is-active {
  display: block;
  animation: pp-fade 260ms ease both;
}

@keyframes pp-fade {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-products .panel-lede {
  margin: 22px 0 6px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--frost-silver);
  max-width: 60ch;
}

.page-products .spec-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  border-top: 1px solid var(--pp-line);
}

.page-products .spec-list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--pp-line);
}

.page-products .spec-key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--aurora-purple);
}

.page-products .spec-value {
  font-size: 15px;
  line-height: 1.75;
  color: var(--ice-white);
}

/* ---------- 积分比率对照卡 ---------- */
.page-products .ratio-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  margin-top: clamp(26px, 4vw, 46px);
  padding: clamp(22px, 4vw, 46px);
  border: 1px solid var(--pp-line);
  background: var(--pp-surface);
  position: relative;
  overflow: hidden;
}

.page-products .ratio-card::after {
  content: "";
  position: absolute;
  top: -40%;
  right: -18%;
  width: 52%;
  height: 180%;
  background: linear-gradient(180deg, rgba(142, 123, 242, 0.16), transparent 62%);
  transform: rotate(18deg);
  pointer-events: none;
}

.page-products .ratio-main {
  position: relative;
  z-index: 1;
}

.page-products .ratio-base {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 14px;
}

.page-products .ratio-number {
  display: block;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(58px, 11vw, 124px);
  line-height: 0.9;
  letter-spacing: -0.02em;
  color: var(--neon-cyan);
}

.page-products .ratio-unit {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--frost-silver);
}

.page-products .ratio-note {
  margin: 18px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--frost-silver);
}

.page-products .tab-bar--compact {
  margin-top: clamp(24px, 3.4vw, 38px);
  flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-products .tab-bar--compact::-webkit-scrollbar {
  display: none;
}

.page-products .tab-bar--compact .data-tab {
  padding: 7px 15px;
  font-size: 12px;
}

.page-products .ratio-tabs .tab-panel {
  padding-top: 20px;
}

.page-products .ratio-tabs .tab-panel p {
  margin: 0;
  max-width: 56ch;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--ice-white);
}

.page-products .ratio-visual {
  position: relative;
  z-index: 1;
  margin: 0;
  align-self: end;
  border: 1px solid var(--pp-line);
  overflow: hidden;
}

.page-products .ratio-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 5;
  object-fit: cover;
}

/* ---------- 活动周期 ---------- */
.page-products .cycle-visual {
  margin: clamp(26px, 4vw, 46px) 0 0;
  border: 1px solid var(--pp-line);
  overflow: hidden;
}

.page-products .cycle-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-products .cycle-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: clamp(26px, 4vw, 46px);
  border-top: 1px solid var(--pp-line);
}

.page-products .cycle-block {
  padding: 26px 0 28px;
  border-bottom: 1px solid var(--pp-line);
}

.page-products .cycle-index {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--aurora-purple);
  margin-bottom: 10px;
}

.page-products .cycle-block p {
  margin: 0 0 12px;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--frost-silver);
}

.page-products .cycle-fit {
  font-size: 14px !important;
  color: var(--ice-white) !important;
  padding-left: 14px;
  border-left: 2px solid var(--ice-blue);
}

/* ---------- 限红档位 ---------- */
.page-products .limit-visual {
  margin: clamp(26px, 4vw, 46px) 0 0;
  border: 1px solid var(--pp-line);
  overflow: hidden;
}

.page-products .limit-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-products .tier-list {
  margin-top: clamp(24px, 3.4vw, 40px);
  border-top: 1px solid var(--pp-line);
}

.page-products .tier-trigger {
  position: relative;
  display: block;
  width: 100%;
  padding: 20px 20px;
  text-align: left;
  appearance: none;
  border: 0;
  border-bottom: 1px solid var(--pp-line);
  background: transparent;
  color: inherit;
  cursor: pointer;
  overflow: hidden;
  transition: background 200ms ease;
}

.page-products .tier-trigger:hover {
  background: rgba(61, 155, 240, 0.06);
}

.page-products .tier-fill {
  position: absolute;
  top: 6px;
  bottom: 6px;
  left: 0;
  width: 16%;
  border-radius: 0 999px 999px 0;
  background: linear-gradient(90deg, rgba(142, 123, 242, 0.34), rgba(53, 240, 220, 0.14));
  transition: width 380ms cubic-bezier(0.22, 0.7, 0.2, 1);
  pointer-events: none;
}

.page-products .tier-list > .accordion-item:nth-child(1) .tier-fill { width: 16%; }
.page-products .tier-list > .accordion-item:nth-child(2) .tier-fill { width: 28%; }
.page-products .tier-list > .accordion-item:nth-child(3) .tier-fill { width: 45%; }
.page-products .tier-list > .accordion-item:nth-child(4) .tier-fill { width: 67%; }
.page-products .tier-list > .accordion-item:nth-child(5) .tier-fill { width: 100%; }

.page-products .tier-label {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-products .tier-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--ice-white);
}

.page-products .tier-tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--frost-silver);
}

.page-products .accordion-panel {
  display: none;
  padding: 18px 20px 22px;
  border-bottom: 1px solid var(--pp-line);
  background: rgba(11, 21, 38, 0.55);
}

.page-products .accordion-item.is-open .accordion-panel {
  display: block;
  animation: pp-fade 240ms ease both;
}

.page-products .accordion-panel p {
  margin: 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--frost-silver);
}

.page-products .tier-footnote {
  margin: clamp(18px, 3vw, 28px) 0 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--frost-silver);
  padding-left: 14px;
  border-left: 2px solid var(--aurora-purple);
}

/* ---------- 结算时长 ---------- */
.page-products .payout-track {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 34px);
  margin-top: clamp(26px, 4vw, 46px);
}

.page-products .payout-row {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "name time"
    "bar bar"
    "desc desc";
  gap: 12px 16px;
  padding-bottom: clamp(18px, 3vw, 26px);
  border-bottom: 1px solid var(--pp-line);
}

.page-products .payout-name {
  grid-area: name;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  color: var(--ice-white);
}

.page-products .payout-time {
  grid-area: time;
  font-family: var(--font-mono);
  font-size: clamp(20px, 3.4vw, 34px);
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--neon-cyan);
  line-height: 1;
}

.page-products .payout-bar {
  grid-area: bar;
  display: block;
  height: 4px;
  background: var(--pp-line);
  overflow: hidden;
}

.page-products .payout-bar-fill {
  display: block;
  height: 100%;
  width: 18%;
  background: linear-gradient(90deg, var(--aurora-purple), var(--ice-blue));
}

.page-products .payout-row:nth-child(2) .payout-bar-fill { width: 46%; }
.page-products .payout-row:nth-child(3) .payout-bar-fill { width: 100%; }

.page-products .payout-desc {
  grid-area: desc;
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--frost-silver);
}

/* ---------- 使用场景 ---------- */
.page-products .scene-list {
  list-style: none;
  margin: clamp(26px, 4vw, 46px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.6vw, 40px);
}

.page-products .scene-item {
  position: relative;
  padding-left: 22px;
  border-left: 1px solid var(--pp-line);
}

.page-products .scene-item::before {
  content: "";
  position: absolute;
  left: -3.5px;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ice-blue);
}

.page-products .scene-index {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--aurora-purple);
  margin-bottom: 10px;
}

.page-products .scene-item p {
  margin: 0 0 12px;
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--frost-silver);
}

.page-products .scene-link {
  font-size: 14px !important;
}

.page-products .scene-link a {
  color: var(--ice-blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 155, 240, 0.4);
  transition: border-color 160ms ease, color 160ms ease;
}

.page-products .scene-link a:hover,
.page-products .scene-link a:focus-visible {
  color: var(--ice-white);
  border-color: var(--ice-white);
}

/* ---------- 版本记录 ---------- */
.page-products .version-list {
  margin-top: clamp(26px, 4vw, 46px);
  border-top: 1px solid var(--pp-line);
}

.page-products .version-list .accordion-trigger {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 18px;
  width: 100%;
  padding: 20px 4px;
  text-align: left;
  appearance: none;
  border: 0;
  border-bottom: 1px solid var(--pp-line);
  background: transparent;
  color: inherit;
  cursor: pointer;
  transition: background 200ms ease;
}

.page-products .version-list .accordion-trigger:hover {
  background: rgba(61, 155, 240, 0.06);
}

.page-products .version-tag {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--neon-cyan);
  min-width: 58px;
}

.page-products .version-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(16px, 2vw, 20px);
  color: var(--ice-white);
}

.page-products .version-list .accordion-panel {
  background: rgba(11, 21, 38, 0.5);
  padding: 18px 4px 24px;
}

.page-products .version-visual {
  margin: clamp(30px, 5vw, 54px) 0 0;
  border: 1px solid var(--pp-line);
  overflow: hidden;
}

.page-products .version-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 9 / 5;
  object-fit: cover;
}

.page-products .version-cta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: clamp(26px, 4vw, 44px);
  padding-top: clamp(22px, 3.4vw, 36px);
  border-top: 1px solid var(--pp-line);
}

.page-products .version-cta p {
  margin: 0;
  max-width: 56ch;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--frost-silver);
}

.page-products .cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .cta-actions .btn {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .hero-meta {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    max-width: 820px;
  }

  .page-products .spec-list li {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }

  .page-products .cycle-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 4vw, 52px);
  }

  .page-products .scene-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(20px, 3vw, 34px);
  }

  .page-products .version-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 28px;
  }
}

@media (min-width: 900px) {
  .page-products .entry-layout {
    grid-template-columns: minmax(0, 0.68fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .entry-visual img {
    aspect-ratio: 4 / 5;
  }

  .page-products .ratio-card {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-products .cycle-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .cycle-block {
    border-bottom: 0;
    padding-right: clamp(16px, 2vw, 28px);
  }

  .page-products .cycle-block + .cycle-block {
    border-left: 1px solid var(--pp-line);
    padding-left: clamp(16px, 2vw, 28px);
  }

  .page-products .payout-row {
    grid-template-columns: 140px minmax(0, 1fr) auto;
    grid-template-areas:
      "name bar time"
      "desc desc desc";
    align-items: center;
    gap: 14px 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}