.page-products {
  --pp-glass-bg: rgba(221, 243, 230, .08);
  --pp-glass-bd: rgba(221, 243, 230, .2);
  --pp-text-soft: rgba(247, 251, 248, .8);
  --pp-text-dim: rgba(247, 251, 248, .72);
  position: relative;
  isolation: isolate;
  overflow-x: clip;
  background-color: var(--ink);
  color: var(--white);
  font-family: var(--font-sans);
  padding-bottom: clamp(40px, 6vw, 80px);
}

.page-products::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--line-faint) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-faint) 1px, transparent 1px);
  background-size: var(--grid) var(--grid);
  opacity: .5;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .85), rgba(0, 0, 0, .3) 55%, rgba(0, 0, 0, .8));
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .85), rgba(0, 0, 0, .3) 55%, rgba(0, 0, 0, .8));
}

.pp-open,
.pp-body {
  position: relative;
  z-index: 1;
}

/* ---------- 首屏 ---------- */

.pp-open {
  padding-top: clamp(96px, 13vw, 156px);
  padding-bottom: clamp(28px, 4vw, 48px);
}

.pp-open .breadcrumbs {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.pp-open__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.pp-open__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 4.8vw, 58px);
  line-height: 1.06;
  letter-spacing: .004em;
  margin: 10px 0 clamp(14px, 2.2vw, 22px);
  text-wrap: balance;
}

.pp-open__title em {
  font-style: normal;
  color: var(--signal);
}

.pp-open__text {
  max-width: 36em;
  font-size: var(--step-body);
  line-height: 1.8;
  color: var(--pp-text-soft);
  margin: 0 0 clamp(20px, 3vw, 30px);
}

.pp-open__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pp-quick {
  background: var(--pp-glass-bg);
  border: 1px solid var(--pp-glass-bd);
  border-radius: var(--radius);
  padding: clamp(18px, 2.4vw, 26px);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.pp-quick__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--muted);
  text-transform: uppercase;
}

.pp-quick__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.pp-quick__item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-faint);
  color: var(--white);
  text-decoration: none;
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.pp-quick__list li:first-child .pp-quick__item {
  padding-top: 0;
}

.pp-quick__list li:last-child .pp-quick__item {
  padding-bottom: 0;
  border-bottom: 0;
}

.pp-quick__item:hover,
.pp-quick__item:focus-visible {
  color: var(--signal);
  padding-left: 4px;
}

.pp-quick__num {
  font-size: 12px;
  color: var(--signal);
  min-width: 22px;
}

.pp-quick__label {
  font-size: 15px;
  font-weight: 600;
}

.pp-quick__hint {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--muted);
  white-space: nowrap;
}

.pp-strip {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(18px, 4vw, 44px);
  margin-top: clamp(26px, 4vw, 44px);
  padding-top: clamp(16px, 2.6vw, 24px);
  border-top: 1px solid var(--line-soft);
}

.pp-strip__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.pp-strip__num {
  font-size: clamp(20px, 2.4vw, 30px);
  line-height: 1;
  color: var(--white);
}

.pp-strip__num--signal {
  color: var(--signal);
}

.pp-strip__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--muted);
}

/* ---------- 正文栅格与侧栏索引 ---------- */

.pp-body {
  padding-top: clamp(26px, 4vw, 46px);
}

.pp-body__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 36px);
}

.pp-side__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--muted);
  text-transform: uppercase;
}

.pp-side__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.pp-side__list::-webkit-scrollbar {
  display: none;
}

.pp-side__link {
  display: inline-block;
  white-space: nowrap;
  padding: 6px 11px;
  border: 1px solid var(--line-faint);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.pp-side__link:hover,
.pp-side__link:focus-visible {
  color: var(--white);
  border-color: var(--grass);
}

.pp-side__link[aria-current] {
  color: var(--ink);
  background: var(--signal);
  border-color: var(--signal);
}

/* ---------- 章节骨架 ---------- */

.pp-sec {
  padding-top: clamp(22px, 3vw, 34px);
  border-top: 1px solid var(--line-faint);
  margin-bottom: clamp(38px, 6vw, 72px);
  scroll-margin-top: 96px;
}

.pp-sec:last-of-type {
  margin-bottom: clamp(28px, 4vw, 44px);
}

.pp-sec__head {
  margin-bottom: clamp(16px, 2.6vw, 28px);
}

.pp-sec__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.2vw, 40px);
  line-height: 1.12;
  margin: 8px 0 0;
  text-wrap: balance;
}

.pp-copy {
  font-size: 15px;
  line-height: 1.8;
  color: var(--pp-text-soft);
  margin: 0 0 16px;
  max-width: 62ch;
}

/* ---------- 战术板 ---------- */

.pp-board__wrap {
  position: relative;
}

.pp-board__lines {
  display: none;
}

.pp-board__cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.pp-col {
  position: relative;
  padding: clamp(16px, 2.2vw, 24px);
  background: linear-gradient(158deg, rgba(13, 74, 54, .58), rgba(6, 22, 33, .92));
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--grass);
  border-radius: var(--radius);
  transition: border-left-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.pp-col:hover,
.pp-col:focus-within {
  border-left-color: var(--signal);
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(4, 18, 27, .5);
}

.pp-col--a {
  border-left-color: var(--signal);
  background: linear-gradient(158deg, rgba(255, 106, 26, .16), rgba(6, 22, 33, .92));
}

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

.pp-col__num {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--signal);
}

.pp-col__pos {
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--glass);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  white-space: nowrap;
}

.pp-col__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 2.4vw, 27px);
  line-height: 1.15;
  margin: 0 0 8px;
}

.pp-col__desc {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--pp-text-dim);
}

.pp-col__fig {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.pp-col__fig b {
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 600;
  line-height: 1;
  color: var(--white);
}

.pp-col__fig span {
  font-size: 12px;
  color: var(--muted);
}

.pp-col__flags {
  display: flex;
  align-items: center;
  gap: 6px;
}

.pp-flag {
  display: block;
  width: 18px;
  height: 24px;
  border-radius: 2px;
}

.pp-flag--red {
  background: var(--red);
}

.pp-flag--yellow {
  background: var(--yellow);
}

.pp-col__flagtext {
  margin-left: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--muted);
}

/* ---------- 图文分区 ---------- */

.pp-feature__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 34px);
  align-items: start;
}

.pp-feature__media {
  min-width: 0;
}

.pp-feature__body {
  min-width: 0;
}

.pp-feature__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.pp-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
}

.pp-list__item {
  position: relative;
  padding-left: 18px;
  margin-bottom: 10px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--pp-text-dim);
}

.pp-list__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 7px;
  height: 7px;
  border: 1px solid var(--grass);
  transform: rotate(45deg);
}

.pp-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: 14px;
  border-top: 1px solid var(--line-faint);
}

.pp-filter__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--muted);
  margin-right: 4px;
}

.pp-chip {
  padding: 4px 11px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--white);
}

/* ---------- 步骤 ---------- */

.pp-steps {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}

.pp-steps__item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-faint);
}

.pp-steps__item:first-child {
  border-top: 1px solid var(--line-faint);
}

.pp-steps__num {
  font-size: 13px;
  color: var(--signal);
  padding-top: 2px;
}

.pp-steps__title {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
}

.pp-steps__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--pp-text-dim);
}

/* ---------- 版本时间线 ---------- */

.pp-vers {
  list-style: none;
  margin: 0;
  padding: 0;
}

.pp-vers__item {
  position: relative;
  padding: 0 0 22px 24px;
  border-left: 1px solid var(--line-soft);
}

.pp-vers__item:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.pp-vers__item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 4px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--grass);
}

.pp-vers__item--now::before {
  background: var(--signal);
  border-color: var(--signal);
  box-shadow: 0 0 0 4px rgba(255, 106, 26, .18);
}

.pp-vers__tag {
  margin: 0;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--signal);
}

.pp-vers__text {
  margin: 5px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--pp-text-dim);
}

/* ---------- 更新节奏玻璃卡 ---------- */

.pp-rhythm {
  background: var(--pp-glass-bg);
  border: 1px solid var(--pp-glass-bd);
  border-radius: var(--radius);
  padding: clamp(18px, 2.4vw, 26px);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.pp-rhythm__title {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--muted);
  text-transform: uppercase;
}

.pp-rhythm__row {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 14px 0;
  border-top: 1px solid var(--line-faint);
}

.pp-rhythm__row:first-of-type {
  border-top: 0;
}

.pp-rhythm__num {
  font-size: clamp(19px, 2.2vw, 24px);
  line-height: 1.1;
  color: var(--signal);
}

.pp-rhythm__num em {
  font-style: normal;
  font-size: 11px;
  color: var(--muted);
  margin-left: 3px;
}

.pp-rhythm__text {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--pp-text-soft);
}

/* ---------- 团队数据块 ---------- */

.pp-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(20px, 3vw, 32px);
  background: var(--line-faint);
  border: 1px solid var(--line-faint);
  border-radius: var(--radius);
  overflow: hidden;
}

.pp-facts__item {
  background: var(--ink-soft);
  padding: clamp(14px, 2vw, 20px);
}

.pp-facts__num {
  display: block;
  font-size: clamp(19px, 2.4vw, 27px);
  line-height: 1.1;
  color: var(--white);
}

.pp-facts__label {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.55;
  color: var(--muted);
}

/* ---------- 收束 ---------- */

.pp-cta {
  position: relative;
  z-index: 1;
  margin-top: clamp(24px, 4vw, 40px);
  padding-top: clamp(22px, 3vw, 34px);
  border-top: 1px solid var(--line-soft);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
}

.pp-cta__text {
  flex: 1 1 260px;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--pp-text-soft);
}

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

/* ---------- 断点 ---------- */

@media (min-width: 720px) {
  .pp-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .pp-rhythm__row {
    grid-template-columns: 100px minmax(0, 1fr);
  }
}

@media (min-width: 900px) {
  .pp-open__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(32px, 4vw, 60px);
    align-items: end;
  }

  .pp-board__lines {
    display: block;
    position: absolute;
    inset: -10px 0;
    width: 100%;
    height: calc(100% + 20px);
    z-index: 0;
    pointer-events: none;
  }

  .pp-board__cards {
    position: relative;
    z-index: 1;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 22px 24px;
    align-content: start;
  }

  .pp-col--a {
    grid-column: 1 / span 7;
  }

  .pp-col--b {
    grid-column: 8 / span 5;
    margin-top: 48px;
  }

  .pp-col--c {
    grid-column: 1 / span 5;
    margin-top: 8px;
  }

  .pp-col--d {
    grid-column: 6 / span 7;
    margin-top: -16px;
  }

  .pp-feature__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: clamp(22px, 3.4vw, 40px);
  }

  .pp-feature--rev .pp-feature__media {
    order: 2;
  }

  .pp-feature--rev .pp-feature__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }
}

@media (min-width: 1024px) {
  .pp-body__grid {
    grid-template-columns: 176px minmax(0, 1fr);
    gap: clamp(32px, 5vw, 68px);
  }

  .pp-side {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .pp-side__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .pp-side__item {
    margin-bottom: 2px;
  }

  .pp-side__link {
    display: block;
    width: 100%;
    padding: 8px 0 8px 12px;
    border: 0;
    border-left: 2px solid var(--line-faint);
    border-radius: 0;
    white-space: normal;
    line-height: 1.5;
  }

  .pp-side__link[aria-current] {
    background: transparent;
    color: var(--signal);
    border-left-color: var(--signal);
  }

  .pp-sec {
    scroll-margin-top: 110px;
  }
}