.page-products {
  --pp-rail-pad: 26px;
  --pp-card-cut: 16px;
}

/* 面包屑 */
.page-products .pp-crumb {
  padding-top: 18px;
  padding-bottom: 6px;
}

/* 首屏 */
.page-products .pp-hero {
  position: relative;
  overflow: hidden;
  margin-top: 8px;
  padding: 40px 0 36px;
  color: var(--on-dark);
  background:
    radial-gradient(120% 140% at 92% 6%, rgba(169, 123, 51, 0.30) 0%, rgba(169, 123, 51, 0) 58%),
    linear-gradient(142deg, var(--teal) 0%, #1a4a47 46%, var(--indigo) 100%);
}

.page-products .pp-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--copper) 0%, var(--vermilion) 42%, transparent 100%);
}

.page-products .pp-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  align-items: center;
}

.page-products .pp-hero__eyebrow {
  margin: 0 0 14px;
  color: var(--copper-soft);
}

.page-products .pp-hero__title {
  margin: 0 0 16px;
  color: var(--on-dark);
  font-size: clamp(28px, 7.2vw, 52px);
  line-height: 1.16;
  letter-spacing: -0.02em;
}

.page-products .pp-hero__lede {
  margin: 0;
  color: var(--on-dark);
  font-size: 16px;
  line-height: 1.85;
  opacity: 0.92;
  max-width: 34em;
}

.page-products .pp-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 34px;
  margin: 26px 0 0;
  padding-top: 20px;
  border-top: 1px solid rgba(233, 227, 214, 0.22);
}

.page-products .pp-hero__facts > div {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.page-products .pp-hero__facts dt {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--on-dark-soft);
}

.page-products .pp-hero__facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 24px;
  font-weight: 600;
  line-height: 1.1;
  color: var(--copper-soft);
}

.page-products .pp-hero__figure {
  margin: 0;
  background: var(--indigo);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
}

.page-products .pp-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0.94;
}

/* 分屏骨架 */
.page-products .pp-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-products .pp-rail {
  background: var(--teal);
  color: var(--on-dark);
  padding: 24px 20px 26px;
}

.page-products .rail-nav__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--copper-soft);
}

.page-products .pp-rail .rail-nav {
  display: flex;
  flex-direction: column;
}

.page-products .pp-rail .rail-nav a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 0 8px 10px;
  border-top: 1px solid rgba(233, 227, 214, 0.12);
  border-left: 3px solid transparent;
  color: var(--on-dark-soft);
  font-size: 13px;
  text-decoration: none;
  transition: color var(--speed), border-color var(--speed);
}

.page-products .pp-rail .rail-nav a:first-child {
  border-top: 0;
}

.page-products .pp-rail .rail-nav a:hover,
.page-products .pp-rail .rail-nav a:focus-visible {
  color: var(--on-dark);
}

.page-products .pp-rail .rail-nav a[aria-current="true"] {
  color: var(--on-dark);
  border-left-color: var(--copper);
}

.page-products .pp-rail .rail-nav__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 11px;
  color: var(--copper);
}

.page-products .pp-rail .rail-nav__label {
  line-height: 1.4;
}

.page-products .pp-filter {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid rgba(233, 227, 214, 0.18);
}

.page-products .pp-filter__title {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--copper-soft);
}

.page-products .pp-filter .tag-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-products .pp-filter .tag {
  appearance: none;
  font: inherit;
  font-size: 12px;
  letter-spacing: 0.04em;
  padding: 5px 10px;
  color: var(--on-dark-soft);
  background: transparent;
  border: 1px solid rgba(233, 227, 214, 0.28);
  border-radius: 0;
  cursor: pointer;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 7px), calc(100% - 7px) 100%, 0 100%);
  transition: background var(--speed), color var(--speed), border-color var(--speed);
}

.page-products .pp-filter .tag:hover {
  border-color: var(--copper-soft);
  color: var(--on-dark);
}

.page-products .pp-filter .tag[aria-pressed="true"] {
  background: var(--copper);
  border-color: var(--copper);
  color: var(--ink);
  font-weight: 600;
}

/* 正文区 */
.page-products .pp-main {
  padding: 28px 20px 60px;
  min-width: 0;
}

.page-products .pp-sec {
  padding: 30px 0;
  border-top: 1px solid var(--grid);
}

.page-products .pp-sec:first-child {
  border-top: 0;
  padding-top: 6px;
}

.page-products .pp-sec .section-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 12px;
}

.page-products .pp-sec .section-head__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--copper);
  flex: none;
}

.page-products .pp-sec .section-head h2 {
  margin: 0;
  font-family: var(--font-sans);
  font-size: clamp(21px, 3.6vw, 30px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: var(--ink);
}

.page-products .copy {
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink);
}

.page-products .copy p {
  margin: 0 0 0.9em;
}

.page-products .copy p:last-child {
  margin-bottom: 0;
}

.page-products .copy a {
  color: var(--vermilion-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-products .copy a:hover {
  color: var(--vermilion);
}

/* 项目卡片 */
.page-products .pp-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 22px 0 0;
}

.page-products .pp-card {
  display: flex;
  flex-direction: column;
  padding: 18px 18px 16px;
  background: var(--paper-2);
  border: 1px solid var(--grid);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pp-card-cut)), calc(100% - var(--pp-card-cut)) 100%, 0 100%);
  transition: border-color var(--speed);
}

.page-products .pp-card:hover {
  border-color: var(--copper);
}

.page-products .pp-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.page-products .pp-card__title {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-products .pp-card__period {
  flex: none;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  padding: 3px 8px;
  color: var(--vermilion-dark);
  border: 1px solid rgba(150, 36, 30, 0.34);
  white-space: nowrap;
}

.page-products .pp-card__desc {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
  min-height: 3.5em;
}

.page-products .pp-card__spark {
  margin: 14px 0 12px;
  padding: 8px 0;
  background: var(--paper);
  border-top: 1px solid var(--grid);
  border-bottom: 1px solid var(--grid);
}

.page-products .pp-card__spark svg {
  display: block;
  width: 100%;
  height: 52px;
}

.page-products .pp-card__meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px 10px;
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--grid);
}

.page-products .pp-card__meta > div {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.page-products .pp-card__meta dt {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

.page-products .pp-card__meta dd {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  line-height: 1.35;
  color: var(--ink);
  word-break: break-word;
}

.page-products .pp-card__fields {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 12px;
}

.page-products .pp-card__fields span {
  font-size: 11px;
  letter-spacing: 0.04em;
  padding: 2px 7px;
  color: var(--ink-soft);
  border: 1px solid var(--grid);
}

/* 配图 */
.page-products .pp-figure {
  position: relative;
  margin: 26px 0 0;
  padding-left: 14px;
}

.page-products .pp-figure::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 2px;
  height: 54px;
  background: var(--copper);
}

.page-products .pp-figure img {
  display: block;
  width: 100%;
  height: auto;
  background: var(--paper-2);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-products .pp-figure figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* 项目页结构 */
.page-products .pp-anatomy {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: 20px;
}

.page-products .pp-anatomy__item {
  padding: 15px 0;
  border-top: 1px solid var(--grid);
}

.page-products .pp-anatomy__item:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .pp-anatomy__title {
  display: flex;
  align-items: baseline;
  gap: 9px;
  margin: 0 0 6px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .pp-anatomy__title .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  color: var(--copper);
}

.page-products .pp-anatomy__item p {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink);
}

/* 统计字段 */
.page-products .pp-fields {
  margin-top: 20px;
  border-bottom: 1px solid var(--grid);
}

.page-products .pp-fields__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px 14px;
  padding: 13px 0;
  border-top: 1px solid var(--grid);
}

.page-products .pp-fields__name {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .pp-fields__badge {
  justify-self: start;
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 2px 7px;
  color: var(--ink-soft);
  border: 1px solid var(--grid);
}

.page-products .pp-fields__badge--core {
  color: var(--vermilion-dark);
  border-color: rgba(150, 36, 30, 0.34);
  background: rgba(192, 52, 43, 0.07);
}

.page-products .pp-fields__desc {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink);
}

/* 窗口档位 */
.page-products .pp-windows {
  list-style: none;
  margin: 22px 0 0;
  padding: 0 0 0 22px;
  border-left: 1px solid var(--grid);
}

.page-products .pp-windows li {
  position: relative;
  padding-bottom: 18px;
}

.page-products .pp-windows li:last-child {
  padding-bottom: 0;
}

.page-products .pp-windows li::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 6px;
  width: 9px;
  height: 9px;
  background: var(--copper);
  transform: rotate(45deg);
}

.page-products .pp-windows__num {
  display: inline-block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--vermilion-dark);
}

.page-products .pp-windows li p {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink);
}

/* 导出 */
.page-products .pp-export {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 20px;
}

.page-products .pp-export__card {
  padding: 20px 18px 18px;
  color: var(--on-dark);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-products .pp-export__card--wine {
  background: linear-gradient(150deg, var(--wine) 0%, #43141b 100%);
}

.page-products .pp-export__card--teal {
  background: linear-gradient(150deg, var(--teal) 0%, #0d2c2b 100%);
}

.page-products .pp-export__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--copper-soft);
}

.page-products .pp-export__title {
  margin: 0 0 8px;
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--on-dark);
}

.page-products .pp-export__card p:last-child {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(233, 227, 214, 0.86);
}

/* 状态与版本 */
.page-products .pp-states {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 20px 0 24px;
}

.page-products .pp-states__item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 13px 14px;
  background: var(--paper-2);
  border: 1px solid var(--grid);
}

.page-products .pp-states__item .status-pill {
  flex: none;
}

.page-products .pp-states__item p {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
}

.page-products .pp-versions {
  border-top: 1px solid var(--grid);
}

.page-products .pp-versions__row {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--grid);
}

.page-products .pp-versions__ver {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.2;
  color: var(--copper);
}

.page-products .pp-versions__row h3 {
  margin: 0 0 5px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-products .pp-versions__row p {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink);
}

/* 用法 */
.page-products .pp-uses {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 20px;
}

.page-products .pp-use {
  padding: 20px 18px 18px;
  background: var(--paper-2);
  border: 1px solid var(--grid);
  border-top-width: 4px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-products .pp-use--teal {
  border-top-color: var(--teal);
}

.page-products .pp-use--wine {
  border-top-color: var(--wine);
}

.page-products .pp-use--indigo {
  border-top-color: var(--indigo);
}

.page-products .pp-use__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--copper);
}

.page-products .pp-use h3 {
  margin: 0 0 8px;
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.4;
  color: var(--ink);
}

.page-products .pp-use p:last-child {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink);
}

/* 近期计划 */
.page-products .pp-plan {
  list-style: none;
  counter-reset: ppplan;
  margin: 20px 0 0;
  padding: 0;
  border-top: 1px solid var(--grid);
}

.page-products .pp-plan li {
  position: relative;
  padding: 16px 0 16px 44px;
  border-bottom: 1px solid var(--grid);
  counter-increment: ppplan;
}

.page-products .pp-plan li::before {
  content: counter(ppplan, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 17px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--vermilion-dark);
}

.page-products .pp-plan li::after {
  content: "";
  position: absolute;
  left: 26px;
  top: 16px;
  bottom: 16px;
  width: 1px;
  background: var(--copper);
  opacity: 0.5;
}

.page-products .pp-plan h3 {
  margin: 0 0 6px;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-products .pp-plan p {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink);
}

/* 收尾入口 */
.page-products .pp-cta {
  margin-top: 34px;
  padding: 28px 22px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  background:
    radial-gradient(110% 130% at 100% 0%, rgba(169, 123, 51, 0.24) 0%, rgba(169, 123, 51, 0) 60%),
    var(--indigo);
  color: var(--on-dark);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

.page-products .pp-cta__text h2 {
  margin: 0 0 10px;
  font-family: var(--font-sans);
  font-size: clamp(19px, 3.4vw, 24px);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.4;
  color: var(--on-dark);
}

.page-products .pp-cta__text p {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(233, 227, 214, 0.86);
}

.page-products .pp-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* 响应式 */
@media (min-width: 640px) {
  .page-products .pp-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 720px) {
  .page-products .pp-fields__row {
    grid-template-columns: 108px 60px minmax(0, 1fr);
    align-items: baseline;
  }

  .page-products .pp-anatomy {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 34px;
  }
}

@media (min-width: 1024px) {
  .page-products .pp-split {
    grid-template-columns: minmax(0, 23%) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pp-rail {
    padding: 34px 20px 40px 0;
    background: transparent;
    color: var(--ink);
    position: relative;
  }

  .page-products .pp-rail::before {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 9999px;
    height: 100%;
    background: var(--teal);
    z-index: -1;
    transform: translateX(100%);
  }

  .page-products .pp-rail .rail-sticky {
    position: sticky;
    top: 96px;
    padding: 22px 20px 24px;
    background: var(--teal);
    color: var(--on-dark);
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
  }

  .page-products .pp-main {
    padding: 44px 0 90px 46px;
  }

  .page-products .pp-hero {
    padding: 60px 0 56px;
  }

  .page-products .pp-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: 52px;
  }

  .page-products .pp-hero__lede {
    font-size: 17px;
  }

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

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

  .page-products .pp-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
    padding: 34px 32px;
  }

  .page-products .pp-windows {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0 26px;
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid var(--grid);
    padding-top: 22px;
  }

  .page-products .pp-windows li {
    padding-bottom: 0;
  }

  .page-products .pp-windows li::before {
    left: 0;
    top: -28px;
  }

  .page-products .pp-windows li::after {
    content: "";
    position: absolute;
    left: 12px;
    top: -24px;
    width: calc(100% + 14px);
    height: 1px;
    background: var(--grid);
  }

  .page-products .pp-windows li:last-child::after {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-rail .rail-nav a,
  .page-products .pp-filter .tag,
  .page-products .pp-card {
    transition: none;
  }
}