.page-products {
  --pr-card-bg: var(--ink-800);
  --pr-hair: rgba(28, 59, 87, 0.85);
  --pr-hair-soft: rgba(28, 59, 87, 0.5);
  --pr-grid-line: rgba(28, 59, 87, 0.38);
  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
}

.page-products h1,
.page-products h2,
.page-products h3 {
  font-family: var(--font-display);
  letter-spacing: -0.01em;
}

.page-products .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-products .lead {
  color: var(--mist);
  font-size: 15.5px;
  line-height: 1.7;
  margin: 0;
  max-width: 58ch;
}

/* 面包屑 */
.pr-crumbbar {
  padding-top: 18px;
}

/* 首屏 */
.pr-hero {
  position: relative;
  display: grid;
  gap: clamp(22px, 3.5vw, 38px);
  padding: clamp(24px, 4vw, 40px) 0 clamp(30px, 5vw, 56px);
  overflow: hidden;
}

.pr-hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% 0;
  background-image:
    linear-gradient(var(--pr-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--pr-grid-line) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(ellipse at 30% 32%, #000 0%, transparent 72%);
  mask-image: radial-gradient(ellipse at 30% 32%, #000 0%, transparent 72%);
  opacity: 0.55;
  pointer-events: none;
}

.pr-hero__main {
  position: relative;
  z-index: 1;
}

.pr-hero h1 {
  margin: 12px 0 14px;
  font-size: clamp(34px, 8.4vw, 58px);
  line-height: 1.03;
  color: var(--paper);
  max-width: 15ch;
}

.pr-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.pr-readout {
  position: relative;
  z-index: 1;
  border: 1px solid var(--pr-hair);
  border-radius: var(--radius);
  background: rgba(14, 36, 56, 0.74);
  padding: 14px 16px 16px;
}

.pr-readout__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--pr-hair-soft);
}

.pr-readout__row:last-of-type {
  border-bottom: 0;
}

.pr-readout__k {
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.pr-readout__v {
  font-family: var(--font-mono);
  font-size: 14.5px;
  color: var(--cyan);
  white-space: nowrap;
}

.pr-readout__chip {
  margin-top: 10px;
  padding-top: 12px;
  border-top: 1px solid var(--pr-hair-soft);
}

/* 布局 */
.pr-layout {
  padding-bottom: 0;
}

.pr-rail {
  display: none;
}

.pr-main {
  min-width: 0;
}

@media (min-width: 900px) {
  .pr-hero {
    grid-template-columns: minmax(0, 1.55fr) minmax(260px, 0.8fr);
    align-items: end;
  }
}

@media (min-width: 1000px) {
  .pr-layout {
    display: grid;
    grid-template-columns: 182px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .pr-rail {
    display: block;
    position: sticky;
    top: 96px;
    padding-top: clamp(36px, 5vw, 64px);
  }

  .pr-rail__nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
    border-left: 1px solid var(--pr-hair);
  }

  .pr-rail__nav .anchor-nav__link {
    display: block;
    padding: 8px 0 8px 14px;
    margin-left: -1px;
    border-left: 2px solid transparent;
    font-family: var(--font-mono);
    font-size: 12.5px;
    letter-spacing: 0.04em;
    color: var(--mist);
    text-decoration: none;
    transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
  }

  .pr-rail__nav .anchor-nav__link:hover,
  .pr-rail__nav .anchor-nav__link[aria-current="true"] {
    color: var(--paper);
    border-left-color: var(--signal);
  }
}

/* 章节 */
.pr-section {
  padding: clamp(36px, 5vw, 62px) 0;
  border-top: 1px solid var(--pr-hair-soft);
}

.pr-section:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.pr-section__head {
  max-width: 62ch;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.pr-section__head h2 {
  margin: 8px 0 10px;
  font-size: clamp(26px, 4.4vw, 38px);
  line-height: 1.1;
  color: var(--paper);
}

.pr-section__head p {
  margin: 0;
  color: var(--mist);
  font-size: 15px;
}

/* 图片 */
.pr-figure {
  margin: 0 0 clamp(18px, 3vw, 28px);
  border: 1px solid var(--pr-hair);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-800);
}

.pr-figure--tight {
  margin-top: clamp(18px, 3vw, 26px);
  margin-bottom: 0;
}

.pr-figure--flush {
  margin: 0;
}

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

.pr-figure .media__cap {
  padding: 10px 14px;
  font-size: 12.5px;
  color: var(--mist);
  border-top: 1px solid var(--pr-hair-soft);
  background: rgba(8, 24, 38, 0.6);
}

/* 筛选 */
.pr-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
}

.page-products .filter-btn {
  appearance: none;
  background: transparent;
  border: 1px solid var(--pr-hair);
  border-radius: 2px;
  padding: 7px 13px;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--mist);
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .filter-btn:hover {
  color: var(--paper);
  border-color: var(--cyan);
}

.page-products .filter-btn.is-active,
.page-products .filter-btn[aria-pressed="true"] {
  background: var(--signal-soft);
  border-color: var(--signal);
  color: var(--paper);
}

.pr-filter__count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  white-space: nowrap;
}

/* 档案卡 */
.pr-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.pr-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 16px 14px;
  background: var(--pr-card-bg);
  border: 1px solid var(--pr-hair);
  border-radius: var(--radius);
  transition: border-color var(--dur) var(--ease);
}

.pr-card:hover {
  border-color: rgba(47, 227, 208, 0.42);
}

.pr-card[hidden],
.pr-card.is-hidden {
  display: none;
}

.pr-card--wide::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--signal), transparent 78%);
  border-radius: var(--radius) var(--radius) 0 0;
}

.pr-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.pr-card__idx {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.pr-card .card__title {
  margin: 2px 0 0;
  font-size: clamp(19px, 2.3vw, 22px);
  line-height: 1.2;
  color: var(--paper);
}

.pr-card .card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--mist);
}

.pr-card__list {
  margin: 2px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 5px;
  font-size: 13px;
  color: var(--paper);
}

.pr-card__list li {
  position: relative;
  padding-left: 14px;
  line-height: 1.5;
}

.pr-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 5px;
  height: 5px;
  border-radius: 1px;
  background: var(--cyan);
  opacity: 0.9;
}

.pr-card__foot {
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid var(--pr-hair-soft);
  font-size: 13px;
}

.pr-card__foot a {
  color: var(--signal);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}

.pr-card__foot a:hover {
  border-bottom-color: var(--signal);
}

@media (min-width: 640px) {
  .pr-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .pr-cards {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
  }

  .pr-card--wide {
    grid-column: span 2;
  }
}

/* 能力对照 */
.pr-matrix {
  border: 1px solid var(--pr-hair);
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(14, 36, 56, 0.5);
}

.pr-matrix__head {
  display: none;
}

.pr-matrix__row {
  display: grid;
  gap: 5px;
  padding: 14px;
  border-top: 1px solid var(--pr-hair-soft);
  transition: background var(--dur) var(--ease);
}

.pr-matrix__row:first-of-type {
  border-top: 0;
}

.pr-matrix__cell {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 14px;
  color: var(--paper);
}

.pr-matrix__k {
  flex: 0 0 62px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.pr-matrix__name {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--paper);
  line-height: 1.2;
}

.pr-matrix__go {
  color: var(--signal);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}

.pr-matrix__go:hover {
  border-bottom-color: var(--signal);
}

@media (min-width: 880px) {
  .pr-matrix__head {
    display: grid;
    grid-template-columns: 158px minmax(0, 1.7fr) minmax(0, 1fr) 104px;
    gap: 16px;
    padding: 12px 16px;
    background: rgba(8, 24, 38, 0.72);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--mist);
  }

  .pr-matrix__row {
    grid-template-columns: 158px minmax(0, 1.7fr) minmax(0, 1fr) 104px;
    gap: 16px;
    align-items: center;
    padding: 13px 16px;
    border-top: 1px solid var(--pr-hair-soft);
  }

  .pr-matrix__row:hover {
    background: rgba(47, 227, 208, 0.06);
  }

  .pr-matrix__cell {
    display: block;
    font-size: 14px;
    color: var(--mist);
  }

  .pr-matrix__k {
    display: none;
  }

  .pr-matrix__name {
    font-size: 17px;
    color: var(--paper);
  }
}

/* 使用路径 */
.pr-pathwrap {
  display: grid;
  gap: clamp(18px, 3vw, 32px);
}

.pr-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
}

.pr-step {
  position: relative;
  padding: 0 0 22px 42px;
}

.pr-step::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 30px;
  bottom: 2px;
  width: 1px;
  background: linear-gradient(var(--cyan), transparent);
  opacity: 0.45;
}

.pr-step:last-child {
  padding-bottom: 0;
}

.pr-step:last-child::before {
  display: none;
}

.pr-step__num {
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 27px;
  height: 27px;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  background: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--cyan);
}

.pr-step h3 {
  margin: 0 0 4px;
  font-size: 19px;
  color: var(--paper);
}

.pr-step p {
  margin: 0;
  font-size: 14.5px;
  color: var(--mist);
}

@media (min-width: 900px) {
  .pr-pathwrap {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: start;
  }

  .pr-pathwrap .pr-figure {
    margin: 0;
  }
}

/* 版本同步 */
.pr-sync {
  display: grid;
  gap: clamp(18px, 3vw, 32px);
}

.pr-sync__body p {
  margin: 0 0 12px;
  font-size: 15px;
  color: var(--mist);
  max-width: 58ch;
}

.pr-sync__body strong {
  color: var(--paper);
  font-weight: 700;
}

.pr-sync__note {
  margin-top: 14px !important;
  padding: 12px 14px;
  border-left: 2px solid var(--cyan);
  background: rgba(47, 227, 208, 0.06);
  font-size: 13.5px !important;
  color: var(--paper) !important;
}

.pr-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(92px, 1fr));
  gap: 10px;
  margin-top: 18px;
}

.pr-stat {
  padding: 12px 13px;
  border: 1px solid var(--pr-hair);
  border-radius: var(--radius);
  background: rgba(14, 36, 56, 0.62);
}

.pr-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(22px, 3.4vw, 30px);
  line-height: 1.1;
  color: var(--cyan);
}

.pr-stat__label {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

@media (min-width: 880px) {
  .pr-sync {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
  }
}

/* 场景选型 */
.pr-section--paper {
  background: var(--paper);
  color: var(--ink-900);
  border-top: 0;
  padding: clamp(36px, 5vw, 62px) clamp(16px, 3vw, 34px);
  border-radius: var(--radius);
  margin-bottom: clamp(28px, 4vw, 48px);
}

.pr-section--paper .eyebrow {
  color: var(--signal);
}

.pr-section--paper .pr-section__head h2 {
  color: var(--ink-900);
}

.pr-section--paper .pr-section__head p {
  color: var(--ink-700);
}

.pr-section--paper .pr-figure {
  border-color: rgba(28, 59, 87, 0.24);
  background: var(--ink-800);
}

.pr-section--paper .pr-figure .media__cap {
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink-700);
  border-top-color: rgba(28, 59, 87, 0.18);
}

.pr-choose {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.pr-choose__item {
  padding: 16px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(28, 59, 87, 0.2);
  border-radius: var(--radius);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.pr-choose__item:hover {
  border-color: var(--signal);
}

.pr-choose__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--signal);
}

.pr-choose__item h3 {
  margin: 6px 0 6px;
  font-size: 20px;
  color: var(--ink-900);
}

.pr-choose__item p {
  margin: 0;
  font-size: 14px;
  color: var(--ink-700);
}

.pr-choose__pick {
  margin-top: 12px;
  padding-top: 9px;
  border-top: 1px dashed rgba(28, 59, 87, 0.28);
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-800);
}

@media (min-width: 720px) {
  .pr-choose {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* 下一步 */
.pr-cta {
  padding: clamp(28px, 4vw, 44px) 0 clamp(36px, 5vw, 60px);
  border-top: 1px solid var(--pr-hair-soft);
}

.pr-cta h2 {
  margin: 0 0 18px;
  font-size: clamp(24px, 3.6vw, 30px);
  color: var(--paper);
}

.pr-cta__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.pr-cta__box {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  border: 1px solid var(--pr-hair);
  border-radius: var(--radius);
  background: linear-gradient(140deg, rgba(14, 36, 56, 0.92), rgba(8, 24, 38, 0.55));
}

.pr-cta__box h3 {
  margin: 0;
  font-size: 20px;
  color: var(--paper);
}

.pr-cta__box p {
  margin: 0 0 6px;
  font-size: 14px;
  color: var(--mist);
}

.pr-cta__box .btn {
  align-self: flex-start;
}

@media (min-width: 720px) {
  .pr-cta__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pr-card,
  .page-products .pr-choose__item,
  .page-products .pr-matrix__row,
  .page-products .filter-btn,
  .page-products .pr-card__foot a,
  .page-products .pr-matrix__go {
    transition: none;
  }
}