.page-products {
  background: var(--bg);
  color: var(--ink);
  padding-bottom: 96px;
}

/* ---------- 页首 ---------- */
.page-products .products-head {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  margin: 24px 0 0;
  padding: 40px 0 28px;
  border-bottom: 1px solid var(--line);
}

.page-products .products-head::before {
  content: "";
  position: absolute;
  top: -30px;
  right: -8%;
  width: min(430px, 48%);
  aspect-ratio: 1 / 0.74;
  background:
    linear-gradient(135deg, rgba(20, 224, 198, 0.16) 0%, rgba(20, 224, 198, 0) 58%),
    linear-gradient(315deg, rgba(255, 106, 43, 0.18) 0%, rgba(255, 106, 43, 0) 62%);
  clip-path: polygon(20% 0, 100% 0, 100% 100%, 0 80%);
  pointer-events: none;
  z-index: -1;
}

.page-products .page-head__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-products .page-head__title {
  margin: 10px 0 16px;
  max-width: 22ch;
  font-family: var(--font-display);
  font-size: clamp(26px, 5.4vw, 46px);
  line-height: 1.22;
  letter-spacing: -0.02em;
  font-weight: 700;
  color: var(--ink);
}

.page-products .page-head__lead {
  margin: 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-mute);
}

.page-products .snap {
  list-style: none;
  margin: 30px 0 0;
  padding: 1px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .snap__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 14px;
  background: var(--bg-panel);
}

.page-products .snap__num {
  font-size: 26px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.page-products .snap__label {
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--ink-mute);
}

/* ---------- 双栏骨架 ---------- */
.page-products .product-shell {
  margin-top: 40px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-products .product-rail {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-products .rail-head {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.page-products .rail-head--sub {
  margin-top: 4px;
}

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

.page-products .rail-list::-webkit-scrollbar {
  display: none;
}

.page-products .rail-link {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(11, 20, 32, 0.7);
  color: var(--ink-mute);
  font-size: 13px;
  white-space: nowrap;
  text-decoration: none;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-products .rail-link:hover,
.page-products .rail-link:focus-visible {
  color: var(--ink);
  border-color: var(--cyan);
  background: var(--cyan-dim);
}

.page-products .rail-link__num {
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-products .rail-quick {
  display: none;
}

.page-products .rail-quick__link {
  display: flex;
  align-items: center;
  min-height: 36px;
  font-size: 13px;
  color: var(--ink-mute);
  text-decoration: none;
  transition: color 0.18s var(--ease);
}

.page-products .rail-quick__link:hover,
.page-products .rail-quick__link:focus-visible {
  color: var(--cyan);
}

@media (min-width: 1000px) {
  .page-products .product-shell {
    grid-template-columns: 212px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-products .product-rail {
    position: sticky;
    top: 96px;
    padding-left: 18px;
    border-left: 1px solid var(--line);
  }

  .page-products .rail-list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-products .rail-link {
    justify-content: flex-start;
    min-height: 40px;
    padding: 8px 0;
    border: 0;
    border-radius: 0;
    background: none;
  }

  .page-products .rail-link__text {
    position: relative;
    display: inline-block;
  }

  .page-products .rail-link__text::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 0;
    height: 1px;
    background: var(--cyan);
    transition: width 0.18s var(--ease);
  }

  .page-products .rail-link:hover .rail-link__text::after,
  .page-products .rail-link:focus-visible .rail-link__text::after {
    width: 100%;
  }

  .page-products .rail-quick {
    display: flex;
    flex-direction: column;
    padding-top: 14px;
    border-top: 1px solid var(--line-soft);
  }
}

/* ---------- 功能章节 ---------- */
.page-products .feature {
  padding: 38px 0 10px;
  border-top: 1px solid var(--line);
}

.page-products .feature:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-products .feature__head {
  margin-bottom: 26px;
}

.page-products .feature__index {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-products .feature__index::after {
  content: "";
  width: 56px;
  height: 1px;
  background: var(--grad-cyan);
}

.page-products .feature__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.2vw, 32px);
  line-height: 1.28;
  letter-spacing: -0.02em;
  font-weight: 700;
  color: var(--ink);
}

.page-products .feature__lead {
  margin: 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-mute);
}

/* ---------- 媒体块 ---------- */
.page-products .media {
  margin: 0;
}

.page-products .media__frame {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-panel);
}

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

.page-products .media__cap {
  margin: 10px 0 0;
  font-size: 12px;
  line-height: 1.65;
  color: var(--ink-mute);
}

.page-products .feature__figure {
  margin-bottom: 26px;
}

/* ---------- 01 导航分层 ---------- */
.page-products .split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-products .funnel {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-products .funnel__row {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: linear-gradient(90deg, rgba(20, 224, 198, 0.1), rgba(11, 20, 32, 0.25));
}

.page-products .funnel__row--a {
  width: 100%;
}

.page-products .funnel__row--b {
  width: 84%;
}

.page-products .funnel__row--c {
  width: 68%;
  border-color: rgba(20, 224, 198, 0.48);
}

.page-products .funnel__key {
  display: block;
  margin-bottom: 5px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-products .funnel__val {
  display: block;
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink);
}

.page-products .route-diff {
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-products .route-diff__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 13px;
  color: var(--ink-mute);
}

.page-products .route-diff__row--new {
  border-color: rgba(20, 224, 198, 0.45);
  background: var(--cyan-dim);
  color: var(--ink);
}

.page-products .route-diff__label {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink-mute);
}

.page-products .route-diff__path {
  flex: 1 1 190px;
  line-height: 1.6;
}

.page-products .route-diff__badge {
  font-size: 12px;
  color: var(--amber);
}

@media (min-width: 800px) {
  .page-products .split--nav {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
    align-items: start;
  }
}

/* ---------- 02 对照面板 ---------- */
.page-products .metric-strip {
  margin-bottom: 24px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-panel);
}

.page-products .metric-strip__cap {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

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

.page-products .metric-strip__chip {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(6, 11, 20, 0.6);
  font-size: 12.5px;
  color: var(--ink);
}

.page-products .metric-strip__chip--on {
  border-color: rgba(255, 106, 43, 0.6);
  background: rgba(255, 106, 43, 0.08);
  color: var(--orange);
}

.page-products .refresh {
  list-style: none;
  margin: 0;
  padding: 1px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .refresh__step {
  padding: 20px 18px;
  background: var(--bg-panel);
}

.page-products .refresh__time {
  display: block;
  margin-bottom: 8px;
  font-size: 15px;
  color: var(--cyan);
}

.page-products .refresh__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--ink-mute);
}

@media (min-width: 760px) {
  .page-products .refresh {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 03 收藏与比对 ---------- */
.page-products .fav-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-products .fav-board {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-panel);
}

.page-products .fav-board__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 14px;
  margin-bottom: 6px;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .fav-board__count {
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--ink-mute);
}

.page-products .fav-board__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .fav-board__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 12px;
  border-left: 2px solid transparent;
  border-radius: 10px;
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-products .fav-board__item:hover {
  background: rgba(20, 224, 198, 0.05);
  border-left-color: var(--cyan);
}

.page-products .fav-board__name {
  font-size: 14px;
  color: var(--ink);
}

.page-products .fav-board__tag {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink-mute);
}

.page-products .fav-board__item--on .fav-board__tag {
  color: var(--orange);
}

@media (min-width: 820px) {
  .page-products .fav-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
    align-items: start;
  }
}

/* ---------- 04 手机端 ---------- */
.page-products .mobile-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-products .mobile-split__figure {
  max-width: 320px;
}

.page-products .mobile-rail {
  padding: 4px 0 14px;
  -webkit-mask-image: linear-gradient(90deg, #000 0, #000 90%, transparent 100%);
  mask-image: linear-gradient(90deg, #000 0, #000 90%, transparent 100%);
}

.page-products .mobile-card {
  flex: 0 0 200px;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 156px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--bg-panel);
}

.page-products .mobile-card__slot {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-products .mobile-card__fields {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.page-products .mobile-card__fields li {
  position: relative;
  padding-left: 14px;
  font-size: 13px;
  color: var(--ink-mute);
}

.page-products .mobile-card__fields li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--cyan);
  opacity: 0.7;
}

.page-products .mobile-note {
  margin: 0 0 20px;
  max-width: 62ch;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--ink-mute);
}

.page-products .mobile-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  padding: 1px;
  background: var(--line);
  border-radius: 14px;
  overflow: hidden;
}

.page-products .mobile-stats__item {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 14px 12px;
  background: var(--bg-panel);
}

.page-products .mobile-stats__num {
  font-size: 18px;
  line-height: 1.1;
  color: var(--ink);
}

.page-products .mobile-stats__label {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink-mute);
}

@media (min-width: 820px) {
  .page-products .mobile-split {
    grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
    align-items: start;
  }
}

/* ---------- 05 资料导出 ---------- */
.page-products .export-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-products .export-cards {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-products .export-card {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(11, 20, 32, 1), rgba(6, 11, 20, 1));
}

.page-products .export-card--pdf {
  border-color: rgba(255, 194, 75, 0.32);
}

.page-products .export-card__format {
  display: inline-block;
  padding: 3px 9px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-products .export-card--pdf .export-card__format {
  border-color: rgba(255, 194, 75, 0.4);
  color: var(--amber);
}

.page-products .export-card__title {
  margin: 12px 0 8px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}

.page-products .export-card__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.76;
  color: var(--ink-mute);
}

@media (min-width: 900px) {
  .page-products .export-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
  }
}

/* ---------- 06 版本路线 ---------- */
.page-products .timeline-rail {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-products .timeline-rail__node {
  position: relative;
  padding: 18px 16px 18px 22px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-panel);
  transition: border-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-products .timeline-rail__node:hover {
  border-left-color: var(--cyan);
  transform: translateY(-1px);
}

.page-products .timeline-rail__year {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-products .timeline-rail__title {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}

.page-products .timeline-rail__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ink-mute);
}

@media (min-width: 900px) {
  .page-products .timeline-rail {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

  .page-products .timeline-rail__node {
    padding-top: 42px;
  }

  .page-products .timeline-rail__node::before {
    content: "";
    position: absolute;
    top: 18px;
    left: 24px;
    right: -16px;
    height: 1px;
    background: var(--grad-cyan);
    opacity: 0.45;
  }

  .page-products .timeline-rail__node:last-child::before {
    right: 24px;
  }

  .page-products .timeline-rail__node::after {
    content: "";
    position: absolute;
    top: 14px;
    left: 14px;
    width: 9px;
    height: 9px;
    border: 2px solid var(--cyan);
    border-radius: 50%;
    background: var(--bg);
  }
}

/* ---------- 去向区块 ---------- */
.page-products .next {
  margin-top: 56px;
  padding-top: 36px;
  border-top: 1px solid var(--line);
}

.page-products .next__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.4vw, 22px);
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-products .next-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-products .next-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 44px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-panel);
  color: var(--ink);
  text-decoration: none;
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-products .next-card:hover,
.page-products .next-card:focus-visible {
  border-color: var(--cyan);
  background: var(--cyan-dim);
}

.page-products .next-card__k {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-products .next-card__t {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink);
}

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

@media (min-width: 1100px) {
  .page-products .next-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 窄屏收敛 ---------- */
@media (max-width: 520px) {
  .page-products .snap {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-products .funnel__row--b {
    width: 92%;
  }

  .page-products .funnel__row--c {
    width: 82%;
  }

  .page-products .mobile-split__figure {
    max-width: 100%;
  }

  .page-products .mobile-stats {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ---------- 进入视口淡入 ---------- */
.page-products [data-reveal] {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}

.page-products [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .page-products [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-products .rail-link,
  .page-products .fav-board__item,
  .page-products .next-card,
  .page-products .timeline-rail__node {
    transition: none;
  }
}