.page-products {
  --pr-pad: 18px;
  --pr-gap: 22px;
  --pr-hair: 2px solid rgba(215, 222, 224, 0.16);
  padding-bottom: 60px;
}

.page-products .crumbs {
  margin: 20px 0 4px;
}

/* ---------- 首屏 ---------- */
.page-products .pr-hero {
  padding: 8px 0 40px;
  border-bottom: 3px solid var(--ink);
  background: linear-gradient(180deg, rgba(14, 78, 92, 0.6) 0%, rgba(10, 24, 38, 0) 74%);
}

.page-products .pr-hero__grid {
  display: grid;
  gap: 28px;
  align-items: center;
}

.page-products .pr-hero__text {
  min-width: 0;
}

.page-products .pr-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 24px 0 0;
}

.page-products .pr-hero__facts {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

.page-products .pr-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 12px;
  border-left: 3px solid var(--orange);
}

.page-products .pr-hero__factlabel {
  font-size: 0.84rem;
  line-height: 1.5;
  color: var(--mist);
}

.page-products .pr-hero__shot {
  max-width: 420px;
}

/* ---------- 图片容器 ---------- */
.page-products .pr-shot {
  margin: 0;
  border: 3px solid var(--ink);
  box-shadow: var(--shadow-sm);
  background: var(--night);
}

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

.page-products .pr-shot .media__cap {
  padding: 12px 14px;
  border-top: 2px solid var(--ink);
  background: var(--ink);
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 章节 ---------- */
.page-products .chapter {
  padding: 46px 0;
}

.page-products .chapter + .chapter {
  border-top: 1px solid rgba(215, 222, 224, 0.14);
}

.page-products .chapter__band {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 8px;
}

.page-products .chapter__kicker {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  color: var(--sand);
}

.page-products .chapter__title {
  margin: 6px 0 16px;
}

.page-products .pr-lead {
  max-width: 64ch;
  margin: 0 0 26px;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--grey);
}

/* ---------- 设备切换标签 ---------- */
.page-products .pr-tabs {
  border: 3px solid var(--ink);
  box-shadow: var(--shadow);
  background: var(--night);
}

.page-products .pr-tabs__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.page-products .pr-tabs__bar {
  display: flex;
  flex-wrap: wrap;
  border-bottom: 3px solid var(--ink);
}

.page-products .pr-tabs__label {
  flex: 1 1 130px;
  padding: 14px 12px;
  text-align: center;
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  color: var(--mist);
  background: var(--plateau);
  border-right: 2px solid var(--ink);
  cursor: pointer;
  transition: background var(--step), color var(--step);
}

.page-products .pr-tabs__label:last-child {
  border-right: 0;
}

.page-products .pr-tabs__label:hover {
  background: var(--night);
  color: var(--white);
}

.page-products #pr-tab-mobile:checked ~ .pr-tabs__bar .pr-tabs__label[for="pr-tab-mobile"],
.page-products #pr-tab-tablet:checked ~ .pr-tabs__bar .pr-tabs__label[for="pr-tab-tablet"],
.page-products #pr-tab-desktop:checked ~ .pr-tabs__bar .pr-tabs__label[for="pr-tab-desktop"] {
  background: var(--orange);
  color: var(--ink);
}

.page-products #pr-tab-mobile:focus-visible ~ .pr-tabs__bar .pr-tabs__label[for="pr-tab-mobile"],
.page-products #pr-tab-tablet:focus-visible ~ .pr-tabs__bar .pr-tabs__label[for="pr-tab-tablet"],
.page-products #pr-tab-desktop:focus-visible ~ .pr-tabs__bar .pr-tabs__label[for="pr-tab-desktop"] {
  outline: 3px solid var(--lime);
  outline-offset: -3px;
}

.page-products .pr-tabs__panel {
  display: none;
  padding: 22px var(--pr-pad);
}

.page-products #pr-tab-mobile:checked ~ .pr-tabs__panels .pr-tabs__panel[data-device="mobile"],
.page-products #pr-tab-tablet:checked ~ .pr-tabs__panels .pr-tabs__panel[data-device="tablet"],
.page-products #pr-tab-desktop:checked ~ .pr-tabs__panels .pr-tabs__panel[data-device="desktop"] {
  display: block;
}

.page-products .pr-device__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-products .pr-device__meta {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--lime);
}

.page-products .pr-device__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pr-device__list li {
  position: relative;
  padding-left: 20px;
  line-height: 1.75;
  color: var(--grey);
}

.page-products .pr-device__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 11px;
  height: 3px;
  background: var(--orange);
}

.page-products .pr-device__scene {
  margin: 0 0 20px;
  font-size: 0.9rem;
  color: var(--mist);
}

/* ---------- 版本演进 ---------- */
.page-products .pr-versions {
  margin-top: 26px;
  border: 3px solid var(--ink);
  box-shadow: var(--shadow-sm);
  background: var(--plateau);
}

.page-products .pr-versions__row {
  display: grid;
  gap: 6px;
  padding: 16px var(--pr-pad);
  border-top: 2px solid var(--ink);
}

.page-products .pr-versions__row:first-child {
  border-top: 0;
}

.page-products .pr-versions__ver {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--orange);
}

.page-products .pr-versions__note {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--lime);
}

.page-products .pr-versions__desc {
  margin: 0;
  line-height: 1.7;
  color: var(--grey);
}

/* ---------- 左右对照 ---------- */
.page-products .pr-split {
  display: grid;
  gap: 24px;
  align-items: center;
}

.page-products .pr-split__text .pr-lead {
  margin-bottom: 20px;
}

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

.page-products .pr-points li {
  position: relative;
  padding-left: 24px;
  line-height: 1.75;
  color: var(--grey);
}

.page-products .pr-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 0;
  height: 0;
  border-left: 8px solid var(--lime);
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
}

/* ---------- 功能三块 ---------- */
.page-products .pr-features {
  margin-bottom: 6px;
}

.page-products .pr-feature {
  padding: 20px var(--pr-pad);
}

.page-products .pr-feature .panel__title {
  margin: 0 0 10px;
}

.page-products .pr-feature p {
  margin: 0;
  line-height: 1.78;
  color: var(--grey);
}

.page-products .pr-features__shot {
  margin-top: 26px;
}

/* ---------- 同步三块 ---------- */
.page-products .pr-sync {
  display: grid;
  gap: 18px;
}

.page-products .pr-sync__item {
  padding: 20px var(--pr-pad);
  border: 3px solid var(--ink);
  box-shadow: var(--shadow-sm);
  background: var(--night);
}

.page-products .pr-sync__ico {
  display: block;
  width: 28px;
  height: 28px;
  margin-bottom: 12px;
  color: var(--lime);
}

.page-products .pr-sync__item h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-products .pr-sync__item p {
  margin: 0;
  line-height: 1.75;
  color: var(--grey);
}

/* ---------- 设备要求表 ---------- */
.page-products .pr-req {
  margin-bottom: 32px;
  border: 3px solid var(--ink);
  box-shadow: var(--shadow-sm);
  background: var(--night);
}

.page-products .pr-req__row {
  display: grid;
  gap: 4px;
  padding: 16px var(--pr-pad);
}

.page-products .pr-req__row + .pr-req__row {
  border-top: 2px solid rgba(215, 222, 224, 0.16);
}

.page-products .pr-req__head {
  display: none;
}

.page-products .pr-req__name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-products .pr-req__sys {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--lime);
}

.page-products .pr-req__cell {
  font-size: 0.94rem;
  line-height: 1.68;
  color: var(--grey);
}

.page-products .pr-req__coltitle {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--mist);
}

/* ---------- 安装步骤 ---------- */
.page-products .pr-install {
  display: grid;
  gap: 24px;
  align-items: start;
}

.page-products .pr-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-products .pr-steps li {
  padding: 18px;
  border: 3px solid var(--ink);
  box-shadow: var(--shadow-sm);
  background: var(--plateau);
}

.page-products .pr-steps__num {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 1.4rem;
  line-height: 1;
  color: var(--orange);
}

.page-products .pr-steps h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-products .pr-steps p {
  margin: 0;
  line-height: 1.72;
  color: var(--grey);
}

/* ---------- 更新节奏 ---------- */
.page-products .pr-cadence {
  margin-top: 28px;
}

.page-products .pr-cadence__item {
  padding: 6px 0 6px 16px;
  border-left: 4px solid var(--orange);
}

.page-products .pr-cadence__num {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 1.4rem;
  line-height: 1.1;
  color: var(--lime);
}

.page-products .pr-cadence__item h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-products .pr-cadence__item p {
  margin: 0;
  line-height: 1.75;
  color: var(--grey);
}

.page-products .pr-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-top: 34px;
  padding-top: 20px;
  border-top: 3px solid var(--ink);
}

.page-products .pr-links a {
  font-family: var(--font-display);
  font-size: 1.08rem;
  letter-spacing: 0.03em;
  color: var(--orange);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color var(--step), color var(--step);
}

.page-products .pr-links a:hover,
.page-products .pr-links a:focus-visible {
  color: var(--white);
  border-bottom-color: var(--lime);
}

/* ---------- 平板与小屏排布 ---------- */
@media (min-width: 720px) {
  .page-products {
    --pr-pad: 24px;
  }

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

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

  .page-products .pr-versions__row {
    grid-template-columns: 92px 132px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-products .pr-req__head {
    display: grid;
  }

  .page-products .pr-req__row {
    grid-template-columns: 120px minmax(0, 1.3fr) minmax(0, 1fr) minmax(0, 1.5fr);
    align-items: baseline;
    gap: 18px;
  }

  .page-products .pr-install {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  }
}

@media (min-width: 980px) {
  .page-products .pr-hero {
    padding: 26px 0 56px;
  }

  .page-products .pr-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 44px;
  }

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

  .page-products .pr-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: 38px;
  }

  .page-products .chapter {
    padding: 58px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pr-tabs__label,
  .page-products .pr-links a {
    transition: none;
  }
}