.page-products .pr-rail {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 22px 0 0;
}

.page-products .pr-jump {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  -webkit-overflow-scrolling: touch;
}

.page-products .pr-jump a {
  flex: 0 0 auto;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--jh-mist);
  text-decoration: none;
  border: 1px solid var(--jh-line);
  border-radius: 999px;
  padding: 6px 13px;
  transition: color 0.2s var(--jh-ease), border-color 0.2s var(--jh-ease);
}

.page-products .pr-jump a:hover,
.page-products .pr-jump a:focus-visible {
  color: var(--jh-gold);
  border-color: var(--jh-line-gold);
}

/* ---------- 下载首屏 ---------- */

.page-products .pr-deck {
  background:
    radial-gradient(120% 90% at 88% 4%, rgba(217, 164, 65, 0.18), transparent 58%),
    linear-gradient(168deg, var(--jh-card), var(--jh-ink-blue) 62%, var(--jh-ink));
  padding-top: 40px;
}

.page-products .pr-kicker {
  margin: 0 0 16px;
  font-family: var(--jh-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--jh-gold);
}

.page-products .pr-deck h1 {
  margin: 0 0 18px;
  max-width: 13em;
  font-size: clamp(34px, 7.2vw, 62px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--jh-paper);
}

.page-products .pr-lede {
  margin: 0;
  max-width: 36em;
  font-size: 17px;
  line-height: 1.85;
  color: rgba(244, 237, 226, 0.78);
}

.page-products .pr-deck__card {
  margin-top: 32px;
  display: grid;
  border-radius: var(--jh-radius-l);
  overflow: hidden;
  background: linear-gradient(150deg, rgba(29, 46, 74, 0.96), rgba(16, 27, 46, 0.98));
  border: 1px solid var(--jh-line-gold);
  box-shadow: 0 24px 60px rgba(11, 16, 23, 0.45);
}

.page-products .pr-deck__body {
  padding: 26px 22px 28px;
}

.page-products .pr-deck__label {
  margin: 0 0 8px;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--jh-mist);
}

.page-products .pr-version {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin: 0 0 12px;
}

.page-products .pr-version__no {
  font-family: var(--jh-mono);
  font-size: clamp(34px, 9vw, 54px);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--jh-gold-lite);
  text-shadow: 0 0 24px rgba(217, 164, 65, 0.28);
}

.page-products .pr-copy {
  font: inherit;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--jh-gold);
  background: transparent;
  border: 1px solid var(--jh-line-gold);
  border-radius: 999px;
  padding: 6px 13px;
  cursor: pointer;
  transition: background 0.2s var(--jh-ease), color 0.2s var(--jh-ease);
}

.page-products .pr-copy:hover,
.page-products .pr-copy:focus-visible {
  background: rgba(217, 164, 65, 0.14);
}

.page-products .pr-copy.is-copied {
  background: var(--jh-gold);
  color: var(--jh-ink);
  border-color: var(--jh-gold);
}

.page-products .pr-deck__note {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 237, 226, 0.72);
}

.page-products .pr-envs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
}

.page-products .pr-envs li {
  font-family: var(--jh-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  padding: 6px 13px;
  border-radius: 10px;
  background: rgba(11, 16, 23, 0.55);
  border: 1px solid var(--jh-line);
  color: var(--jh-gold-lite);
}

.page-products .pr-deck__meta {
  display: grid;
  gap: 14px;
  margin: 22px 0 0;
  padding: 18px 0 0;
  border-top: 1px dashed var(--jh-line);
}

.page-products .pr-deck__meta dt {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--jh-mist);
  margin-bottom: 4px;
}

.page-products .pr-deck__meta dd {
  margin: 0;
  font-family: var(--jh-mono);
  font-size: 16px;
  color: var(--jh-paper);
}

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

.page-products .pr-deck__fig {
  margin: 0;
  border-radius: 0;
  border: 0;
  min-height: 220px;
}

.page-products .pr-deck__fig img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 通用区块 ---------- */

.page-products .pr-block {
  position: relative;
}

.page-products .pr-block--ink {
  background: var(--jh-ink);
}

.page-products .pr-block--blue {
  background: linear-gradient(180deg, var(--jh-ink-blue), var(--jh-ink) 120%);
}

.page-products .pr-block--paper {
  background: var(--jh-paper);
  color: var(--jh-ink);
}

.page-products .pr-head {
  max-width: 40em;
  margin-bottom: 30px;
}

.page-products .pr-head__kicker {
  margin: 0 0 12px;
  font-family: var(--jh-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--jh-gold);
}

.page-products .pr-head h2 {
  margin: 0 0 12px;
  font-size: clamp(26px, 4.4vw, 40px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--jh-paper);
}

.page-products .pr-head__sub {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(244, 237, 226, 0.72);
}

.page-products .pr-head--dark h2 {
  color: var(--jh-ink);
}

.page-products .pr-head--dark .pr-head__kicker {
  color: var(--jh-vermilion);
}

.page-products .pr-head--dark .pr-head__sub {
  color: #46536a;
}

/* ---------- 四项能力 ---------- */

.page-products .pr-abilities {
  display: grid;
  gap: 18px;
}

.page-products .pr-ability {
  background: linear-gradient(160deg, rgba(29, 46, 74, 0.92), rgba(16, 27, 46, 0.94));
  border: 1px solid var(--jh-hair);
  border-radius: var(--jh-radius);
  padding: 24px 22px 26px;
  transition: transform 0.24s var(--jh-ease), border-color 0.24s var(--jh-ease);
}

.page-products .pr-ability:hover {
  transform: translateY(-2px);
  border-color: var(--jh-line-gold);
}

.page-products .pr-ability__no {
  font-family: var(--jh-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--jh-gold);
  margin: 0 0 10px;
}

.page-products .pr-ability h3 {
  margin: 0 0 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--jh-paper);
}

.page-products .pr-ability p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 237, 226, 0.76);
}

.page-products .pr-ability__fig {
  margin: 0 0 20px;
}

.page-products .pr-ability--lead {
  border-color: var(--jh-line-gold);
  background: linear-gradient(160deg, rgba(29, 46, 74, 0.98), rgba(11, 16, 23, 0.96));
}

/* ---------- 机型适配 ---------- */

.page-products .pr-platforms {
  display: grid;
  gap: 26px;
}

.page-products .pr-platforms__fig {
  margin: 0;
}

.page-products .pr-plat-list {
  display: flex;
  flex-direction: column;
}

.page-products .pr-plat {
  border-top: 1px solid var(--jh-line);
  padding: 16px 0;
}

.page-products .pr-plat:last-of-type {
  border-bottom: 1px solid var(--jh-line);
}

.page-products .pr-plat summary {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  list-style: none;
  padding: 4px 0;
}

.page-products .pr-plat summary::-webkit-details-marker {
  display: none;
}

.page-products .pr-plat__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex: 0 0 auto;
}

.page-products .pr-plat__dot--gold {
  background: var(--jh-gold);
  box-shadow: 0 0 0 4px rgba(217, 164, 65, 0.16);
}

.page-products .pr-plat__dot--jade {
  background: var(--jh-jade);
  box-shadow: 0 0 0 4px rgba(46, 139, 110, 0.18);
}

.page-products .pr-plat__name {
  font-size: 19px;
  font-weight: 800;
  color: var(--jh-paper);
}

.page-products .pr-plat__note {
  margin-left: auto;
  font-family: var(--jh-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--jh-mist);
  text-align: right;
}

.page-products .pr-plat p {
  margin: 12px 0 4px;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 237, 226, 0.74);
}

.page-products .pr-plat__foot {
  margin: 22px 0 0;
  padding: 16px 18px;
  border-left: 3px solid var(--jh-jade);
  border-radius: 0 var(--jh-radius-s) var(--jh-radius-s) 0;
  background: rgba(46, 139, 110, 0.1);
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 237, 226, 0.8);
}

/* ---------- 安装步骤 ---------- */

.page-products .pr-steps__layout {
  display: grid;
  gap: 30px;
}

.page-products .pr-steps {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0 0 0 26px;
  max-width: 34em;
}

.page-products .pr-steps::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, var(--jh-vermilion), rgba(200, 56, 47, 0.12));
}

.page-products .pr-step {
  position: relative;
  padding: 0 0 18px;
}

.page-products .pr-step::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 10px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--jh-paper);
  border: 2px solid var(--jh-vermilion);
}

.page-products .pr-step details {
  border-radius: var(--jh-radius-s);
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(16, 27, 46, 0.1);
  transition: border-color 0.2s var(--jh-ease);
}

.page-products .pr-step details[open] {
  border-color: rgba(200, 56, 47, 0.42);
  background: #fff;
}

.page-products .pr-step summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  cursor: pointer;
  list-style: none;
  padding: 15px 18px;
}

.page-products .pr-step summary::-webkit-details-marker {
  display: none;
}

.page-products .pr-step__num {
  font-family: var(--jh-mono);
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--jh-vermilion);
}

.page-products .pr-step__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--jh-ink);
}

.page-products .pr-step details p {
  margin: 0;
  padding: 0 18px 18px;
  font-size: 15px;
  line-height: 1.85;
  color: #46536a;
}

.page-products .pr-steps__aside {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.page-products .pr-steps__fig {
  margin: 0;
  border-color: rgba(16, 27, 46, 0.14);
}

.page-products .pr-steps__tip {
  border-radius: var(--jh-radius);
  padding: 22px;
  background: var(--jh-ink-blue);
  color: var(--jh-paper);
}

.page-products .pr-steps__tip-title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 800;
  color: var(--jh-gold-lite);
}

.page-products .pr-steps__tip p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 237, 226, 0.76);
}

/* ---------- 版本记录 ---------- */

.page-products .pr-log__fig {
  margin: 0 0 30px;
}

.page-products .pr-log {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pr-log li {
  display: grid;
  gap: 8px;
  padding: 20px 0;
  border-bottom: 1px dashed var(--jh-line);
}

.page-products .pr-log li:first-child {
  border-top: 1px dashed var(--jh-line);
}

.page-products .pr-log__ver {
  display: inline-block;
  justify-self: start;
  font-family: var(--jh-mono);
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--jh-ink);
  background: var(--jh-gold);
  padding: 5px 16px 5px 12px;
  clip-path: polygon(0 0, 100% 0, 100% 68%, 86% 100%, 0 100%);
}

.page-products .pr-log__body h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 800;
  color: var(--jh-paper);
}

.page-products .pr-log__body p {
  margin: 0;
  max-width: 38em;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 237, 226, 0.74);
}

.page-products .pr-log__more {
  margin: 26px 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 237, 226, 0.76);
}

/* ---------- 资料去向 ---------- */

.page-products .pr-where {
  gap: 16px;
}

.page-products .pr-where__item {
  display: block;
  text-decoration: none;
  border-radius: var(--jh-radius);
  padding: 22px 20px 24px;
  background: rgba(29, 46, 74, 0.6);
  border: 1px solid var(--jh-hair);
  transition: transform 0.22s var(--jh-ease), border-color 0.22s var(--jh-ease);
}

.page-products .pr-where__item:hover,
.page-products .pr-where__item:focus-visible {
  transform: translateY(-2px);
  border-color: var(--jh-line-gold);
}

.page-products .pr-where__tag {
  margin: 0 0 10px;
  font-family: var(--jh-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--jh-gold);
}

.page-products .pr-where__item h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 800;
  color: var(--jh-paper);
}

.page-products .pr-where__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 237, 226, 0.72);
}

.page-products .pr-where__foot {
  display: grid;
  gap: 16px;
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px solid var(--jh-line);
  align-items: center;
}

.page-products .pr-where__foot p {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 237, 226, 0.74);
}

.page-products .pr-where__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-products .pr-rail {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
  }

  .page-products .pr-jump {
    padding-bottom: 0;
    overflow-x: visible;
  }

  .page-products .pr-deck__body {
    padding: 34px 32px 36px;
  }

  .page-products .pr-deck__meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-products .pr-platforms {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
    gap: 34px;
  }

  .page-products .pr-steps__layout {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: start;
    gap: 40px;
  }

  .page-products .pr-plat__note {
    min-width: 190px;
  }
}

@media (min-width: 960px) {
  .page-products .pr-deck__card {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-products .pr-deck__fig {
    min-height: 100%;
  }

  .page-products .pr-abilities {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

  .page-products .pr-ability:nth-child(2) {
    margin-top: 46px;
  }

  .page-products .pr-ability:nth-child(3) {
    margin-top: -14px;
  }

  .page-products .pr-ability:nth-child(4) {
    margin-top: 34px;
  }

  .page-products .pr-log li {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }

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

@media (min-width: 1100px) {
  .page-products .pr-deck {
    padding-top: 52px;
  }

  .page-products .pr-deck__card {
    margin-top: 40px;
  }
}