.page-products {
  --pr-pad: clamp(56px, 8vw, 104px);
  --pr-radius: 18px;
  --pr-edge: rgba(23, 26, 31, .09);
  --pr-hair: rgba(23, 26, 31, .1);
}

/* ---------- 面包屑 ---------- */
.page-products .pr-crumb {
  background: var(--sand);
  border-bottom: 1px solid var(--pr-edge);
}
.page-products .bo-breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 14px 0;
  font-size: 13px;
  color: var(--mist);
}
.page-products .bo-breadcrumbs li {
  display: flex;
  align-items: center;
}
.page-products .bo-breadcrumbs li + li::before {
  content: "/";
  padding: 0 7px;
  color: rgba(92, 107, 122, .45);
}
.page-products .bo-breadcrumbs a {
  color: var(--mist);
  text-decoration: none;
  transition: color .2s var(--ease);
}
.page-products .bo-breadcrumbs a:hover,
.page-products .bo-breadcrumbs a:focus-visible {
  color: var(--brick);
}

/* ---------- 首屏 ---------- */
.page-products .pr-hero {
  position: relative;
  overflow: hidden;
  padding: 54px 0 0;
  color: var(--paper);
  background:
    radial-gradient(1100px 480px at 88% -14%, rgba(47, 224, 138, .1), transparent 62%),
    radial-gradient(880px 440px at 4% 112%, rgba(166, 58, 46, .36), transparent 66%),
    linear-gradient(168deg, #0E2A47 0%, #14375A 52%, #0B2137 100%);
}
.page-products .pr-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(90deg, rgba(255, 255, 255, .05) 0 1px, transparent 1px 86px);
}
.page-products .pr-hero > .bo-wrap {
  position: relative;
  z-index: 1;
}
.page-products .pr-hero__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--amber);
}
.page-products .pr-hero__title {
  margin: 14px 0 0;
  max-width: 18ch;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 60px);
  line-height: 1.12;
  letter-spacing: -.015em;
  color: var(--paper);
}
.page-products .pr-hero__lead {
  margin: 20px 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.78;
  color: rgba(255, 253, 248, .82);
}

/* ---------- 章节索引 ---------- */
.page-products .pr-index {
  margin-top: clamp(36px, 5vw, 58px);
  padding-bottom: 38px;
}
.page-products .pr-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 16px;
  overflow: hidden;
  background: rgba(255, 255, 255, .14);
}
.page-products .pr-index__list li:last-child {
  grid-column: 1 / -1;
}
.page-products .pr-index__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 15px 18px;
  background: rgba(255, 255, 255, .055);
  color: rgba(255, 253, 248, .9);
  font-size: 14px;
  text-decoration: none;
  transition: background .22s var(--ease), color .22s var(--ease);
}
.page-products .pr-index__list a:hover,
.page-products .pr-index__list a:focus-visible {
  background: var(--brick);
  color: var(--paper);
}
.page-products .pr-index__list .bo-num {
  font-size: 12px;
  opacity: .7;
}

/* ---------- 章节骨架 ---------- */
.page-products .pr-sec {
  padding: var(--pr-pad) 0;
  scroll-margin-top: 88px;
}
.page-products .pr-sec--sand { background: var(--sand); }
.page-products .pr-sec--paper { background: var(--paper); }
.page-products .pr-sec--dark {
  color: var(--paper);
  background:
    radial-gradient(860px 420px at 92% 0%, rgba(47, 224, 138, .09), transparent 60%),
    linear-gradient(160deg, #0E2A47 0%, #123252 58%, #0B2137 100%);
}
.page-products .pr-sec--indigo {
  color: var(--paper);
  background: linear-gradient(180deg, #43326B 0%, #372A59 100%);
}

.page-products .pr-sechead {
  max-width: 74ch;
}
.page-products .pr-sechead .bo-kicker {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--brick);
}
.page-products .pr-sec--dark .pr-sechead .bo-kicker,
.page-products .pr-sec--indigo .pr-sechead .bo-kicker {
  color: var(--amber);
}
.page-products .pr-sechead .bo-h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.2;
  letter-spacing: -.012em;
  color: var(--ink);
}
.page-products .pr-sec--dark .pr-sechead .bo-h2,
.page-products .pr-sec--indigo .pr-sechead .bo-h2 {
  color: var(--paper);
}
.page-products .pr-sechead .bo-lead {
  margin: 16px 0 0;
  max-width: 66ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: var(--mist);
}
.page-products .pr-sec--dark .pr-sechead .bo-lead,
.page-products .pr-sec--indigo .pr-sechead .bo-lead {
  color: rgba(255, 253, 248, .76);
}

/* ---------- 01 固定操作 ---------- */
.page-products .pr-fixed {
  margin-top: clamp(30px, 4vw, 48px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.page-products .pr-fixed__card {
  position: relative;
  padding: 28px 26px 28px 32px;
  border-radius: var(--pr-radius);
  background: var(--paper);
  border: 1px solid var(--pr-edge);
  box-shadow: 0 20px 44px -36px rgba(14, 42, 71, .6);
}
.page-products .pr-fixed__card--amber {
  background: linear-gradient(180deg, #FFF8EA 0%, var(--paper) 100%);
  border-color: rgba(217, 160, 60, .34);
}
.page-products .pr-fixed__card::after {
  content: "";
  position: absolute;
  left: 0;
  top: 24px;
  bottom: 24px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--brick);
}
.page-products .pr-fixed__card--amber::after {
  background: var(--amber);
}
.page-products .pr-fixed__card .bo-tag {
  margin: 0 0 14px;
}
.page-products .pr-fixed__card .bo-h3 {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--ink);
}
.page-products .pr-fixed__card .bo-prose {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
}

.page-products .pr-ticks {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.page-products .pr-ticks li {
  position: relative;
  padding-left: 18px;
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--mist);
}
.page-products .pr-ticks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--harbor-2);
  opacity: .55;
}

/* ---------- 02 轮次视图 ---------- */
.page-products .pr-rounds {
  margin-top: clamp(30px, 4vw, 48px);
  display: grid;
  gap: 28px;
}
.page-products .pr-rounds__filter,
.page-products .pr-export__filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}
.page-products .pr-rounds__filter .bo-filter__btn,
.page-products .pr-export__filter .bo-filter__btn {
  padding: 8px 18px;
  font-size: 13.5px;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  border: 1px solid rgba(23, 26, 31, .14);
  border-radius: 999px;
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.page-products .pr-rounds__filter .bo-filter__btn:hover,
.page-products .pr-export__filter .bo-filter__btn:hover {
  border-color: var(--brick);
  color: var(--brick);
}
.page-products .pr-rounds__filter .bo-filter__btn[aria-pressed="true"],
.page-products .pr-export__filter .bo-filter__btn[aria-pressed="true"] {
  background: var(--brick);
  border-color: var(--brick);
  color: var(--paper);
}

.page-products .pr-rlist {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--pr-hair);
}
.page-products .pr-rlist__item {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--pr-hair);
}
.page-products .pr-rlist__num {
  font-size: 22px;
  font-weight: 600;
  line-height: 1.2;
  color: var(--brick);
}
.page-products .pr-rlist__item .bo-h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 800;
  color: var(--ink);
}
.page-products .pr-rlist__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--mist);
}

.page-products .pr-rounds__aside {
  margin: 0;
  padding: 14px;
  border-radius: var(--pr-radius);
  background: var(--harbor);
  overflow: hidden;
}
.page-products .pr-rounds__aside img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
  object-fit: cover;
}
.page-products .pr-rounds__aside .bo-media__cap {
  display: block;
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.62;
  color: rgba(255, 253, 248, .62);
}

.page-products .pr-keys {
  margin-top: 30px;
  padding: 22px 22px 16px;
  border-radius: var(--pr-radius);
  background: var(--sand);
  border: 1px solid var(--pr-edge);
}
.page-products .pr-keys .bo-h3 {
  margin: 0 0 12px;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--ink);
}
.page-products .pr-keys table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}
.page-products .pr-keys th {
  padding: 8px 10px;
  text-align: left;
  font-weight: 700;
  color: var(--harbor);
  white-space: nowrap;
  border-bottom: 1px solid rgba(14, 42, 71, .18);
}
.page-products .pr-keys td {
  padding: 9px 10px;
  color: var(--mist);
  border-bottom: 1px solid rgba(23, 26, 31, .07);
  transition: background .18s var(--ease), color .18s var(--ease);
}
.page-products .pr-keys tbody tr:hover td,
.page-products .pr-keys tbody tr:focus-within td {
  background: rgba(166, 58, 46, .07);
  color: var(--ink);
}
.page-products .pr-keys kbd {
  display: inline-block;
  min-width: 26px;
  padding: 2px 7px;
  font-family: var(--font-mono);
  font-size: 12px;
  text-align: center;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid rgba(23, 26, 31, .16);
  border-radius: 5px;
  box-shadow: 0 1px 0 rgba(23, 26, 31, .12);
}

/* ---------- 03 变更说明 ---------- */
.page-products .pr-changes {
  margin-top: clamp(28px, 3.6vw, 44px);
  border-radius: var(--pr-radius);
  border: 1px solid rgba(255, 255, 255, .14);
  background: rgba(255, 255, 255, .06);
  overflow: hidden;
}
.page-products .pr-changes__head,
.page-products .pr-changes__row {
  display: grid;
  grid-template-columns: 1.25fr 1.9fr .75fr;
  gap: 16px;
  padding: 16px 22px;
  align-items: center;
}
.page-products .pr-changes__head {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255, 253, 248, .58);
  background: rgba(255, 255, 255, .07);
}
.page-products .pr-changes__row {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 253, 248, .82);
  transition: background .2s var(--ease);
}
.page-products .pr-changes__row:hover {
  background: rgba(255, 255, 255, .05);
}
.page-products .pr-changes__head + .pr-changes__row,
.page-products .pr-changes__row + .pr-changes__row {
  border-top: 1px solid rgba(255, 255, 255, .1);
}
.page-products .pr-changes__type {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--paper);
}
.page-products .pr-changes__type::before {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--amber);
}
.page-products .pr-changes__scope {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--neon);
}

/* ---------- 横向氛围图 ---------- */
.page-products .pr-band {
  margin: 0;
  position: relative;
  background: #0B2137;
}
.page-products .pr-band img {
  display: block;
  width: 100%;
  height: clamp(210px, 30vw, 360px);
  object-fit: cover;
}
.page-products .pr-band .bo-media__cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 34px clamp(20px, 5vw, 56px) 14px;
  font-size: 12.5px;
  line-height: 1.6;
  color: rgba(255, 253, 248, .82);
  background: linear-gradient(transparent, rgba(11, 33, 55, .88));
}

/* ---------- 04 对阵板 ---------- */
.page-products .pr-board {
  margin-top: clamp(28px, 3.6vw, 44px);
  display: grid;
  gap: 28px;
}
.page-products .pr-board__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}
.page-products .pr-board__steps li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 14px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--pr-hair);
}
.page-products .pr-board__steps li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}
.page-products .pr-board__idx {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--paper);
  background: var(--brick);
  border-radius: 8px;
}
.page-products .pr-board__steps .bo-h3 {
  margin: 0 0 6px;
  font-size: 16.5px;
  font-weight: 800;
  color: var(--ink);
}
.page-products .pr-board__steps p {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--mist);
}
.page-products .pr-board__media {
  margin: 0;
  padding: 14px;
  border-radius: var(--pr-radius);
  background: var(--paper);
  border: 1px solid var(--pr-edge);
}
.page-products .pr-board__media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
  object-fit: cover;
}
.page-products .pr-board__media .bo-media__cap {
  display: block;
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.62;
  color: var(--mist);
}

/* ---------- 05 导出 ---------- */
.page-products .pr-export {
  margin-top: clamp(28px, 3.6vw, 44px);
  display: grid;
  gap: 26px;
}
.page-products .pr-export__media {
  margin: 0;
  border-radius: var(--pr-radius);
  background: var(--sand);
  border: 1px solid var(--pr-edge);
  overflow: hidden;
}
.page-products .pr-export__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-products .pr-export__media .bo-media__cap {
  display: block;
  padding: 12px 16px;
  font-size: 12.5px;
  line-height: 1.62;
  color: var(--mist);
  background: rgba(246, 239, 228, .7);
}
.page-products .pr-export__panel {
  padding: 24px 24px 26px;
  border-radius: var(--pr-radius);
  background: var(--sand);
  border: 1px solid var(--pr-edge);
}
.page-products .pr-export__filter {
  margin-bottom: 18px;
}
.page-products .pr-fields__set {
  padding: 18px 20px;
  background: var(--paper);
  border: 1px solid rgba(23, 26, 31, .08);
  border-left: 3px solid var(--amber);
  border-radius: 12px;
}
.page-products .pr-fields__set--png {
  border-left-color: var(--indigo);
}
.page-products .pr-fields__set + .pr-fields__set {
  margin-top: 14px;
}
.page-products .pr-fields__name {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--harbor);
  word-break: break-all;
}
.page-products .pr-fields__set p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--mist);
}
.page-products .pr-fields__set p + p {
  margin-top: 8px;
}

/* ---------- 06 版本迭代 ---------- */
.page-products .pr-versions {
  position: relative;
  overflow: hidden;
}
.page-products .pr-versions__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.page-products .pr-versions__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .2;
}
.page-products .pr-versions__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(67, 50, 107, .9), rgba(55, 42, 89, .95));
}
.page-products .pr-versions > .bo-wrap {
  position: relative;
  z-index: 1;
}

.page-products .pr-timeline {
  list-style: none;
  margin: clamp(34px, 4.4vw, 54px) 0 0;
  padding: 0;
  display: grid;
  gap: 26px;
}
.page-products .pr-timeline__item {
  position: relative;
  padding-top: 46px;
}
.page-products .pr-timeline__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 13px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--paper);
  border: 3px solid rgba(217, 160, 60, .7);
}
.page-products .pr-timeline__item--major::before {
  width: 22px;
  height: 22px;
  top: 10px;
  border-width: 4px;
  border-color: var(--amber);
  box-shadow: 0 0 0 7px rgba(217, 160, 60, .18);
}
.page-products .pr-timeline__year {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--amber);
}
.page-products .pr-timeline__item .bo-h3 {
  margin: 0 0 6px;
  font-size: 16.5px;
  font-weight: 800;
  color: var(--paper);
}
.page-products .pr-timeline__item p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: rgba(255, 253, 248, .72);
}

/* ---------- 07 设备 ---------- */
.page-products .pr-devices {
  margin-top: clamp(28px, 3.6vw, 44px);
  display: grid;
  gap: 20px;
}
.page-products .pr-devices__card {
  padding: 26px 24px;
  border-radius: var(--pr-radius);
  background: var(--paper);
  border: 1px solid var(--pr-edge);
}
.page-products .pr-devices__card .bo-h3 {
  margin: 0 0 4px;
  font-size: 17px;
  font-weight: 800;
  color: var(--ink);
}
.page-products .pr-devices__card .po-tag {
  display: none;
}
.page-products .pr-devices__card .pr-ticks {
  margin-top: 14px;
}

/* ---------- 收尾 ---------- */
.page-products .pr-cta {
  position: relative;
  overflow: hidden;
  padding: var(--pr-pad) 0;
  color: var(--paper);
  background: var(--harbor);
}
.page-products .pr-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(700px 320px at 16% 0%, rgba(166, 58, 46, .42), transparent 66%);
}
.page-products .pr-cta > .bo-wrap {
  position: relative;
  z-index: 1;
}
.page-products .pr-cta .bo-h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(24px, 3.2vw, 38px);
  line-height: 1.2;
  color: var(--paper);
}
.page-products .pr-cta .bo-lead {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: rgba(255, 253, 248, .78);
}
.page-products .pr-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.page-products .pr-cta .bo-btn--ghost {
  color: var(--paper);
  border-color: rgba(255, 253, 248, .34);
}
.page-products .pr-cta .bo-btn--ghost:hover {
  border-color: var(--paper);
  background: rgba(255, 253, 248, .1);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .pr-index__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-products .pr-index__list li:last-child {
    grid-column: auto;
  }
  .page-products .pr-fixed {
    grid-template-columns: 7fr 5fr;
  }
  .page-products .pr-devices {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .page-products .pr-board {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }
  .page-products .pr-timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
  }
  .page-products .pr-timeline::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 21px;
    height: 2px;
    background: rgba(255, 255, 255, .2);
  }
  .page-products .pr-timeline {
    position: relative;
    padding-top: 6px;
  }
  .page-products .pr-timeline__item {
    padding-top: 56px;
  }
}

@media (min-width: 960px) {
  .page-products .pr-rounds {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }
  .page-products .pr-export {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }
}

@media (max-width: 700px) {
  .page-products .pr-changes__head {
    display: none;
  }
  .page-products .pr-changes__row {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 18px 20px;
  }
  .page-products .pr-changes__row + .pr-changes__row {
    border-top: 1px solid rgba(255, 255, 255, .1);
  }
  .page-products .pr-rlist__item {
    grid-template-columns: 46px 1fr;
    gap: 14px;
  }
  .page-products .pr-rlist__num {
    font-size: 18px;
  }
  .page-products .pr-keys {
    padding: 18px 16px 12px;
  }
  .page-products .pr-keys table,
  .page-products .pr-keys thead,
  .page-products .pr-keys tbody,
  .page-products .pr-keys tr,
  .page-products .pr-keys td,
  .page-products .pr-keys th {
    display: block;
    width: 100%;
  }
  .page-products .pr-keys thead tr {
    display: none;
  }
  .page-products .pr-keys tbody tr {
    padding: 10px 0;
    border-bottom: 1px solid rgba(23, 26, 31, .08);
  }
  .page-products .pr-keys td {
    padding: 2px 0;
    border: 0;
  }
  .page-products .pr-keys tbody tr:hover td {
    background: transparent;
  }
}

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