.page-products {
  --pp-gutter: clamp(18px, 4vw, 40px);
  --pp-chapter-pad: clamp(56px, 8vw, 104px);
  --pp-radius: 2px;
  --pp-dot: 7px;
  background: var(--vt-base);
  color: var(--vt-text);
  font-family: var(--vt-font-body);
  box-sizing: border-box;
}

.page-products *,
.page-products *::before,
.page-products *::after {
  box-sizing: border-box;
}

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

/* ---------- 面包屑 ---------- */
.page-products .vt-crumbs {
  padding-top: clamp(20px, 3vw, 32px);
  padding-bottom: 4px;
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  padding-block: clamp(28px, 4vw, 48px) clamp(44px, 6vw, 84px);
}

.page-products .pp-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 60px);
  align-items: center;
}

.page-products .pp-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
  font-family: var(--vt-font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--vt-confirmed);
}

.page-products .pp-kicker::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--vt-confirmed);
}

.page-products h1 {
  margin: 0 0 18px;
  font-family: var(--vt-font-display);
  font-weight: 800;
  font-size: clamp(34px, 6.4vw, 62px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--vt-text);
}

.page-products .pp-lede {
  margin: 0 0 24px;
  max-width: 42ch;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.8;
  color: var(--vt-muted);
}

.page-products .pp-herotags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
}

.page-products .pp-herotags li {
  padding: 6px 10px;
  border: 1px solid var(--vt-grid);
  border-radius: var(--pp-radius);
  background: var(--vt-raised);
  color: var(--vt-muted);
  font-family: var(--vt-font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
}

/* ---------- 图幅通用 ---------- */
.page-products .vt-figure {
  margin: 0;
}

.page-products .vt-figure__frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--vt-strong);
  border-radius: var(--pp-radius);
  background: var(--vt-raised);
}

.page-products .vt-figure__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-products .vt-figure__cap {
  margin-top: 12px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--vt-muted);
  padding-left: 12px;
  border-left: 1px solid var(--vt-grid);
}

.page-products .pp-hero__figure {
  margin: 0;
}

/* ---------- 章节骨架 ---------- */
.page-products .pp-chapter {
  padding-block: var(--pp-chapter-pad);
  border-top: 1px solid var(--vt-grid);
}

.page-products .pp-chapter__head {
  display: grid;
  gap: 10px;
  max-width: 720px;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-products .vt-chapter__num {
  margin: 0;
  font-family: var(--vt-font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--vt-confirmed);
}

.page-products .vt-chapter__title {
  margin: 0;
  font-family: var(--vt-font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.6vw, 36px);
  line-height: 1.16;
  letter-spacing: -0.015em;
  color: var(--vt-text);
}

.page-products .vt-chapter__lede {
  margin: 0;
  font-size: clamp(14px, 1.35vw, 16px);
  line-height: 1.8;
  color: var(--vt-muted);
}

.page-products .pp-subhead {
  margin: clamp(32px, 4vw, 48px) 0 16px;
  font-family: var(--vt-font-display);
  font-size: 14px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--vt-text);
}

/* ---------- 通用网格 ---------- */
.page-products .pp-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 40px);
}

/* ---------- 服务边界两栏 ---------- */
.page-products .pp-boundary {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--vt-grid);
  border: 1px solid var(--vt-grid);
  border-radius: var(--pp-radius);
  overflow: hidden;
}

.page-products .pp-boundary__col {
  background: var(--vt-raised);
  padding: clamp(20px, 3vw, 32px);
}

.page-products .pp-boundary__title {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 18px;
  font-family: var(--vt-font-display);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--vt-text);
}

.page-products .vt-dot {
  display: inline-block;
  width: var(--pp-dot);
  height: var(--pp-dot);
  border-radius: 50%;
  flex: 0 0 auto;
}

.page-products .vt-dot--confirmed {
  background: var(--vt-confirmed);
  box-shadow: 0 0 0 3px rgba(59, 224, 210, 0.14);
}

.page-products .vt-dot--pending {
  background: var(--vt-pending);
  box-shadow: 0 0 0 3px rgba(255, 174, 71, 0.14);
}

.page-products .pp-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pp-list__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--vt-text);
}

.page-products .pp-list__item::before {
  content: "";
  width: 6px;
  height: 6px;
  margin-top: 10px;
  border-radius: 50%;
  background: var(--vt-confirmed);
}

.page-products .pp-boundary__col--off .pp-list__item::before {
  background: var(--vt-pending);
}

.page-products .pp-boundary__col--off .pp-list__item {
  color: var(--vt-muted);
}

/* ---------- 参数键值块 ---------- */
.page-products .vt-kv {
  display: grid;
  grid-template-columns: 1fr;
  margin: 0;
}

.page-products .vt-kv__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--vt-grid);
}

.page-products .vt-kv__key {
  font-family: var(--vt-font-mono);
  font-size: 15px;
  letter-spacing: -0.01em;
  color: var(--vt-confirmed);
  line-height: 1.5;
}

.page-products .vt-kv__key--warn {
  color: var(--vt-pending);
}

.page-products .vt-kv__note {
  font-size: 14px;
  line-height: 1.75;
  color: var(--vt-muted);
}

.page-products .pp-chaincount {
  margin-bottom: clamp(26px, 4vw, 40px);
}

/* ---------- 链 ID 索引带 ---------- */
.page-products .pp-chainband {
  position: relative;
  margin-block: clamp(22px, 3.5vw, 36px);
  border-top: 1px solid var(--vt-grid);
  border-bottom: 1px solid var(--vt-grid);
  background: var(--vt-raised);
}

.page-products .pp-chainband__track {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 18px clamp(14px, 3vw, 26px);
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--vt-strong) transparent;
}

.page-products .pp-chainband__track::-webkit-scrollbar {
  height: 6px;
}

.page-products .pp-chainband__track::-webkit-scrollbar-thumb {
  background: var(--vt-strong);
  border-radius: 3px;
}

.page-products .pp-chainchip {
  flex: 0 0 auto;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 108px;
  padding: 10px 14px;
  border: 1px solid var(--vt-grid);
  border-radius: var(--pp-radius);
  background: var(--vt-base);
}

.page-products .pp-chainchip__id {
  font-family: var(--vt-font-mono);
  font-size: 15px;
  letter-spacing: -0.01em;
  color: var(--vt-confirmed);
}

.page-products .pp-chainchip__name {
  font-family: var(--vt-font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--vt-muted);
  white-space: nowrap;
}

.page-products .pp-hint {
  margin: 0 0 clamp(28px, 4vw, 44px);
  font-size: 13px;
  line-height: 1.75;
  color: var(--vt-muted);
}

/* ---------- 代币标准矩阵 ---------- */
.page-products .pp-standards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1px;
  background: var(--vt-grid);
  border: 1px solid var(--vt-grid);
  border-radius: var(--pp-radius);
  overflow: hidden;
}

.page-products .pp-standard {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 14px;
  background: var(--vt-base);
}

.page-products .pp-standard__code {
  font-family: var(--vt-font-mono);
  font-size: 13.5px;
  letter-spacing: -0.01em;
  color: var(--vt-text);
}

.page-products .pp-standard__desc {
  font-size: 12px;
  line-height: 1.55;
  color: var(--vt-muted);
}

/* ---------- 橙色侧注释 ---------- */
.page-products .vt-note {
  margin: 20px 0 0;
  padding: 12px 0 12px 16px;
  border-left: 2px solid var(--vt-pending);
  font-size: 13px;
  line-height: 1.75;
  color: var(--vt-muted);
}

/* ---------- 正文段 ---------- */
.page-products .pp-body {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--vt-text);
  max-width: 720px;
}

.page-products .pp-body:last-child {
  margin-bottom: 0;
}

.page-products .pp-figure-mid {
  margin-block: clamp(28px, 4vw, 48px);
}

/* ---------- 安全中心三级 ---------- */
.page-products .pp-riskgrid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--vt-grid);
  border: 1px solid var(--vt-grid);
  border-radius: var(--pp-radius);
  overflow: hidden;
}

.page-products .pp-risk {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px 12px;
  align-items: center;
  padding: 18px clamp(16px, 3vw, 22px);
  background: var(--vt-raised);
}

.page-products .pp-risk__name {
  font-family: var(--vt-font-display);
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--vt-text);
}

.page-products .pp-risk__desc {
  grid-column: 2 / -1;
  font-size: 13px;
  line-height: 1.7;
  color: var(--vt-muted);
}

.page-products .pp-risk--watch {
  background: linear-gradient(90deg, rgba(20, 134, 127, 0.14), var(--vt-raised) 62%);
}

.page-products .pp-risk--review {
  background: linear-gradient(90deg, rgba(166, 96, 27, 0.2), var(--vt-raised) 62%);
}

/* ---------- 版本对比 ---------- */
.page-products .pp-compare {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--pp-radius);
}

.page-products .pp-compare__grid {
  display: grid;
  grid-template-columns: minmax(120px, 1.15fr) repeat(3, minmax(150px, 1fr));
  gap: 1px;
  min-width: 580px;
  background: var(--vt-grid);
  border: 1px solid var(--vt-grid);
  border-radius: var(--pp-radius);
  overflow: hidden;
}

.page-products .pp-compare__cell {
  padding: 14px;
  background: var(--vt-raised);
  font-size: 13px;
  line-height: 1.65;
  color: var(--vt-text);
}

.page-products .pp-compare__cell--head {
  background: var(--vt-base);
  font-family: var(--vt-font-display);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--vt-muted);
}

.page-products .pp-compare__cell--label {
  background: var(--vt-base);
  font-family: var(--vt-font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--vt-muted);
}

.page-products .pp-compare__cell--current {
  background: linear-gradient(180deg, rgba(59, 224, 210, 0.08), rgba(11, 18, 32, 0.9));
  box-shadow: inset 0 0 0 1px rgba(59, 224, 210, 0.28);
}

.page-products .pp-archive {
  margin-top: clamp(28px, 4vw, 44px);
}

/* ---------- 场景 ---------- */
.page-products .pp-scenes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--vt-grid);
  border: 1px solid var(--vt-grid);
  border-radius: var(--pp-radius);
  overflow: hidden;
}

.page-products .pp-scene {
  padding: clamp(20px, 3vw, 28px);
  background: var(--vt-base);
}

.page-products .pp-scene__title {
  margin: 0 0 10px;
  font-family: var(--vt-font-display);
  font-size: 16px;
  letter-spacing: 0.02em;
  color: var(--vt-text);
}

.page-products .pp-scene__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--vt-muted);
}

/* ---------- 收束 ---------- */
.page-products .pp-outro {
  margin-top: clamp(32px, 5vw, 52px);
  padding-top: clamp(20px, 3vw, 28px);
  border-top: 1px solid var(--vt-grid);
}

.page-products .pp-outro__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--vt-muted);
  max-width: 760px;
}

.page-products .pp-link {
  color: var(--vt-confirmed);
  text-decoration: none;
  border-bottom: 1px solid rgba(59, 224, 210, 0.35);
  padding-bottom: 1px;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.page-products .pp-link:hover,
.page-products .pp-link:focus-visible {
  color: var(--vt-text);
  border-bottom-color: var(--vt-pending);
}

/* ---------- 共享高亮微调 ---------- */
.page-products .vt-mono {
  font-family: var(--vt-font-mono);
  letter-spacing: -0.01em;
}

.page-products .vt-hl {
  color: var(--vt-confirmed);
}

.page-products .vt-hl--pending {
  color: var(--vt-pending);
}

/* ---------- 移动端优先的分栏升级 ---------- */
@media (min-width: 720px) {
  .page-products .pp-boundary {
    grid-template-columns: 1fr 1fr;
  }

  .page-products .pp-riskgrid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .pp-risk {
    grid-template-columns: auto minmax(0, 1fr);
    align-content: start;
  }

  .page-products .pp-risk__desc {
    grid-column: 1 / -1;
  }

  .page-products .pp-scenes {
    grid-template-columns: 1fr 1fr;
  }

  .page-products .vt-kv__row {
    grid-template-columns: minmax(96px, 148px) minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-products .pp-hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(40px, 5vw, 76px);
  }

  .page-products .pp-chapter__head {
    max-width: 780px;
  }
}

@media (min-width: 960px) {
  .page-products .pp-grid--5-7 {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-products .pp-grid--7-5 {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-products .pp-grid--3-6-3 {
    grid-template-columns: minmax(0, 3fr) minmax(0, 6fr) minmax(0, 3fr);
    align-items: start;
  }

  .page-products .pp-scenes {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1180px) {
  .page-products .pp-chapter__head {
    max-width: 820px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-link {
    transition: none;
  }
}