.page-products {
  --pp-block: clamp(44px, 7vw, 96px);
  --pp-gap: clamp(20px, 3vw, 40px);
  background-color: var(--ink);
  color: var(--bone);
  overflow-x: hidden;
}

/* ---------- 面包屑留白 ---------- */
.page-products .breadcrumb {
  padding-top: clamp(16px, 2.4vw, 28px);
}

/* ---------- 首屏：对角错位色块 ---------- */
.page-products .pp-hero {
  position: relative;
  padding: clamp(28px, 4.5vw, 56px) 0 clamp(44px, 6.5vw, 92px);
  overflow: hidden;
}

.page-products .pp-hero::before {
  content: "";
  position: absolute;
  inset: -8% -6% 24% -6%;
  background: linear-gradient(113deg, var(--moss) 0 54%, transparent 54.15%);
  z-index: 0;
  pointer-events: none;
}

.page-products .pp-hero::after {
  content: "";
  position: absolute;
  right: -4%;
  top: 6%;
  width: 46%;
  height: 58%;
  background: var(--clay);
  opacity: .14;
  clip-path: polygon(26% 0, 100% 0, 100% 100%, 0 82%);
  z-index: 0;
  pointer-events: none;
}

.page-products .pp-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pp-gap);
  align-items: start;
}

.page-products .pp-hero h1 {
  font-family: var(--font-narrow);
  font-weight: 700;
  letter-spacing: -.5px;
  font-size: clamp(29px, 7vw, 54px);
  line-height: 1.1;
  margin: 14px 0 0;
  color: var(--bone);
  max-width: 18ch;
}

.page-products .pp-hero__lede {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 16.5px);
  line-height: 1.8;
  color: rgba(242, 239, 230, .8);
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* 参数短标签：定义列表形式 */
.page-products .pp-spec {
  margin: clamp(26px, 4vw, 40px) 0 0;
  border-top: 1px solid var(--line-strong);
}

.page-products .pp-spec__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px 18px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .pp-spec dt {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--rock);
}

.page-products .pp-spec dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  color: var(--bone);
}

/* 首屏图：两张错位叠放 */
.page-products .pp-hero__stage {
  position: relative;
  padding-bottom: 6%;
}

.page-products .pp-shot {
  position: relative;
  border: 3px solid var(--coal);
  background: var(--slate-deep);
}

.page-products .pp-shot--main {
  box-shadow: 0 18px 44px rgba(0, 0, 0, .5);
}

.page-products .pp-shot--sub {
  width: 56%;
  margin: -13% 0 0 auto;
  border-color: var(--ink);
  box-shadow: -14px 14px 0 var(--clay);
  z-index: 2;
}

/* ---------- 通用章节 ---------- */
.page-products .pp-sec {
  padding: var(--pp-block) 0;
  position: relative;
}

.page-products .pp-sec--panel {
  background: linear-gradient(180deg, transparent 0, var(--coal) 12%, var(--coal) 88%, transparent 100%);
}

.page-products .pp-sec--install {
  background: var(--moss);
}

.page-products .pp-sec--log {
  background: var(--coal);
}

.page-products .pp-sec h2 {
  font-family: var(--font-editorial);
  font-weight: 600;
  font-size: clamp(23px, 3.6vw, 36px);
  line-height: 1.24;
  margin: 0;
  color: var(--bone);
  max-width: 22ch;
}

.page-products .pp-sec p {
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(242, 239, 230, .82);
}

/* ---------- 01 回看：左文右旁注 ---------- */
.page-products .pp-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pp-gap);
  margin-top: clamp(22px, 3vw, 34px);
}

.page-products .pp-split__text p {
  margin: 0 0 16px;
  max-width: 62ch;
}

.page-products .pp-ticks {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pp-ticks li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--bone);
}

.page-products .pp-ticks__dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-top: 9px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-products .pp-aside {
  border: 2px solid var(--line-strong);
  border-top: 4px solid var(--cyan);
  background: var(--slate-deep);
  padding: 22px 20px 24px;
}

.page-products .pp-aside__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-products .pp-aside__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pp-aside__list li {
  padding-left: 16px;
  position: relative;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(242, 239, 230, .84);
}

.page-products .pp-aside__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 1px;
  background: var(--rock);
}

/* ---------- 02 分布面板 ---------- */
.page-products .pp-panel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 44px);
  margin-top: clamp(22px, 3vw, 34px);
}

.page-products .pp-panel__lead p {
  margin: 0 0 16px;
  max-width: 54ch;
}

.page-products .pp-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin: 20px 0 0;
  align-items: center;
}

.page-products .pp-legend__item {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 1.2px;
  color: var(--bone);
}

.page-products .pp-legend__chip {
  width: 20px;
  height: 12px;
  display: inline-block;
}

.page-products .pp-legend__chip--goal {
  background: var(--orange);
}

.page-products .pp-legend__chip--concede {
  background: var(--violet);
}

.page-products .pp-caliber {
  border: 2px solid var(--line-strong);
  background: var(--ink);
}

.page-products .pp-caliber__bar {
  display: flex;
  flex-wrap: wrap;
  border-bottom: 2px solid var(--line-strong);
}

.page-products .pp-caliber__tab {
  flex: 1 1 auto;
  appearance: none;
  border: 0;
  border-right: 1px solid var(--line);
  background: transparent;
  color: var(--rock);
  font-family: var(--font-narrow);
  font-size: 14px;
  letter-spacing: 1px;
  padding: 14px 18px;
  cursor: pointer;
  transition: color .25s var(--ease), background-color .25s var(--ease);
}

.page-products .pp-caliber__tab:last-child {
  border-right: 0;
}

.page-products .pp-caliber__tab[aria-pressed="true"] {
  color: var(--ink);
  background: var(--cyan);
}

.page-products .pp-caliber__tab:hover {
  color: var(--cyan);
}

.page-products .pp-caliber__tab[aria-pressed="true"]:hover {
  color: var(--ink);
}

.page-products .pp-caliber__tab:focus-visible,
.page-products .pp-export__tab:focus-visible,
.page-products .pp-copy:focus-visible,
.page-products .pp-rel summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-products .pp-caliber__panel {
  padding: 22px 20px 26px;
}

.page-products .pp-caliber__hint {
  margin: 0 0 18px;
  font-size: 14.5px;
  color: rgba(242, 239, 230, .74);
}

.page-products .pp-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 18px;
}

.page-products .pp-metric {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-left: 14px;
  border-left: 3px solid var(--line-strong);
}

.page-products .pp-metric__label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--rock);
}

.page-products .pp-metric__num {
  font-family: var(--font-mono);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  font-size: clamp(38px, 7vw, 68px);
  line-height: 1;
  letter-spacing: -1px;
}

.page-products .pp-metric__num--goal {
  color: var(--orange);
}

.page-products .pp-metric__num--concede {
  color: var(--violet);
}

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

.page-products .pp-panel__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 3px solid var(--coal);
}

/* ---------- 03 适配与性能 ---------- */
.page-products .pp-fit {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 44px);
  margin-top: clamp(22px, 3vw, 34px);
  align-items: start;
}

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

.page-products .pp-fit__spec {
  margin: 0;
  border-top: 1px solid var(--line-strong);
}

.page-products .pp-fit__row {
  padding: 16px 0 18px;
  border-bottom: 1px solid var(--line);
}

.page-products .pp-fit__row dt {
  font-family: var(--font-narrow);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .3px;
  color: var(--cyan);
  margin-bottom: 7px;
}

.page-products .pp-fit__row dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(242, 239, 230, .8);
}

/* ---------- 04 四步流程 ---------- */
.page-products .pp-steps {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: 2px solid var(--cyan);
}

.page-products .pp-steps__item {
  padding: 22px 18px 26px;
  border-bottom: 1px solid var(--line-strong);
  position: relative;
}

.page-products .pp-steps__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  color: var(--cyan);
  letter-spacing: -1px;
}

.page-products .pp-steps__item h3 {
  font-family: var(--font-editorial);
  font-weight: 600;
  font-size: 18px;
  margin: 14px 0 9px;
  color: var(--bone);
}

.page-products .pp-steps__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(242, 239, 230, .8);
}

.page-products .pp-install__figure {
  margin: clamp(26px, 4vw, 44px) 0 0;
}

.page-products .pp-install__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 3px solid var(--ink);
}

/* ---------- 05 导出与分享 ---------- */
.page-products .pp-export {
  margin-top: clamp(22px, 3vw, 34px);
  border: 2px solid var(--line-strong);
}

.page-products .pp-export__bar {
  display: flex;
  flex-wrap: wrap;
  border-bottom: 2px solid var(--line-strong);
  background: var(--slate-deep);
}

.page-products .pp-export__tab {
  appearance: none;
  border: 0;
  border-right: 1px solid var(--line);
  background: transparent;
  color: var(--rock);
  font-family: var(--font-narrow);
  font-size: 14px;
  letter-spacing: 1px;
  padding: 14px 22px;
  cursor: pointer;
  transition: color .25s var(--ease), background-color .25s var(--ease);
}

.page-products .pp-export__tab[aria-pressed="true"] {
  background: var(--cyan);
  color: var(--ink);
}

.page-products .pp-export__tab:hover {
  color: var(--cyan);
}

.page-products .pp-export__tab[aria-pressed="true"]:hover {
  color: var(--ink);
}

.page-products .pp-export__panel {
  padding: 24px 20px 26px;
  border-left: 4px solid var(--moss);
}

.page-products .pp-export__panel + .pp-export__panel {
  border-top: 1px solid var(--line);
}

.page-products .pp-export__panel h3 {
  font-family: var(--font-editorial);
  font-weight: 600;
  font-size: 19px;
  margin: 0 0 12px;
  color: var(--bone);
}

.page-products .pp-export__panel p {
  margin: 0 0 12px;
  max-width: 62ch;
}

.page-products .pp-export__meta {
  font-size: 12px;
  letter-spacing: 1.2px;
  color: var(--rock);
  text-transform: uppercase;
}

.page-products .pp-export__foot {
  margin: 22px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(242, 239, 230, .78);
}

.page-products .pp-export__foot a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 06 版本日志 ---------- */
.page-products .pp-log__lead {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  max-width: 62ch;
}

.page-products .pp-log {
  margin-top: clamp(20px, 3vw, 32px);
  display: grid;
  gap: 10px;
}

.page-products .pp-rel {
  border: 2px solid var(--line-strong);
  background: var(--ink);
}

.page-products .pp-rel > summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

.page-products .pp-rel > summary::-webkit-details-marker {
  display: none;
}

.page-products .pp-rel__ver {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  background: var(--cyan);
  padding: 3px 9px;
  letter-spacing: .5px;
}

.page-products .pp-rel__title {
  font-family: var(--font-narrow);
  font-size: 15px;
  color: var(--bone);
  flex: 1 1 auto;
}

.page-products .pp-rel__arrow {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--rock);
  border-bottom: 2px solid var(--rock);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform .3s var(--ease);
}

.page-products .pp-rel[open] .pp-rel__arrow {
  transform: rotate(225deg) translate(-2px, -2px);
}

.page-products .pp-rel__body {
  border-top: 1px solid var(--line);
  overflow-x: auto;
}

.page-products .pp-log__table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .pp-log__table th {
  text-align: left;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 11.5px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--rock);
  padding: 10px 16px;
  border-bottom: 1px solid var(--line-strong);
}

.page-products .pp-log__table td {
  padding: 13px 16px;
  line-height: 1.65;
  color: rgba(242, 239, 230, .84);
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.page-products .pp-log__table tbody tr:nth-child(odd) {
  background: var(--slate-deep);
}

.page-products .pp-log__table td:first-child {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--rock);
  white-space: nowrap;
}

.page-products .pp-copy {
  appearance: none;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--rock);
  font-size: 12px;
  letter-spacing: .5px;
  padding: 5px 10px;
  cursor: pointer;
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-products .pp-copy:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-products .pp-copy[data-copied] {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-products .pp-log__note {
  margin: 22px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(242, 239, 230, .74);
  max-width: 64ch;
}

.page-products .pp-log__note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 收口色带 ---------- */
.page-products .pp-close {
  position: relative;
  padding: clamp(38px, 5.5vw, 64px) 0 clamp(46px, 6vw, 76px);
  background: var(--slate-deep);
  border-top: 6px solid var(--cyan);
}

.page-products .pp-close__inner h2 {
  font-family: var(--font-editorial);
  font-weight: 600;
  font-size: clamp(21px, 3vw, 28px);
  margin: 0 0 22px;
  color: var(--bone);
}

.page-products .pp-close__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-strong);
}

.page-products .pp-close__links li {
  border-bottom: 1px solid var(--line);
}

.page-products .pp-close__links a {
  display: block;
  padding: 15px 4px 15px 0;
  color: var(--bone);
  text-decoration: none;
  font-size: 15.5px;
  transition: color .22s var(--ease), padding-left .22s var(--ease);
}

.page-products .pp-close__links a:hover {
  color: var(--cyan);
  padding-left: 10px;
}

/* ---------- 图片响应式兜底 ---------- */
.page-products img {
  max-width: 100%;
  height: auto;
}

.page-products .figure-caption {
  margin: 10px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--rock);
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-products .pp-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pp-steps__item:nth-child(odd) {
    border-right: 1px solid var(--line-strong);
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 980px) {
  .page-products .pp-hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-products .pp-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(28px, 3.6vw, 56px);
  }

  .page-products .pp-aside {
    margin-top: 8px;
  }

  .page-products .pp-panel-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 5fr) minmax(0, 3fr);
    align-items: start;
  }

  .page-products .pp-panel__figure {
    margin-top: 34px;
  }

  .page-products .pp-fit {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 60px);
  }

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

  .page-products .pp-steps__item {
    border-right: 1px solid var(--line-strong);
    border-bottom: 0;
  }

  .page-products .pp-steps__item:last-child {
    border-right: 0;
  }

  .page-products .pp-steps__item:nth-child(odd) {
    border-right: 1px solid var(--line-strong);
  }

  .page-products .pp-install__figure {
    margin-top: clamp(30px, 4vw, 52px);
  }

  .page-products .pp-close__links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(28px, 4vw, 64px);
  }
}

@media (min-width: 1200px) {
  .page-products .pp-hero h1 {
    max-width: 16ch;
  }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products * {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}