.page-products {
  --pp-gap: clamp(26px, 4.4vw, 60px);
  --pp-edge: 1px solid var(--lk-line);
  background: var(--lk-ink);
  color: var(--lk-fg);
  font-family: var(--lk-head);
  min-width: 0;
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  padding: clamp(24px, 4vw, 40px) 0 clamp(34px, 6vw, 72px);
  border-bottom: var(--pp-edge);
  background:
    radial-gradient(120% 90% at 88% -12%, rgba(53, 240, 198, 0.16), transparent 62%),
    linear-gradient(180deg, var(--lk-ink-2) 0%, var(--lk-ink) 82%);
  overflow: hidden;
}

.page-products .pp-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(90deg, rgba(207, 194, 169, 0.07) 1px, transparent 1px);
  background-size: 72px 100%;
  pointer-events: none;
}

.page-products .lk-crumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  align-items: center;
  font-family: var(--lk-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--lk-haze);
}

.page-products .lk-crumb a {
  color: var(--lk-cyan-soft);
  text-decoration: none;
}

.page-products .lk-crumb a:hover {
  color: var(--lk-cyan);
}

.page-products .lk-crumb a + span::before {
  content: "/";
  margin: 0 8px;
  opacity: 0.55;
}

.page-products .pp-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.5vw, 44px);
  margin-top: clamp(22px, 4vw, 42px);
  position: relative;
  z-index: 1;
}

.page-products .lk-kicker {
  font-family: var(--lk-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--lk-gold);
  text-transform: uppercase;
  margin: 0;
}

.page-products .pp-hero__lead h1 {
  margin: 14px 0 0;
  font-size: clamp(30px, 8vw, 58px);
  line-height: 1.06;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: #EAF6F1;
  max-width: 18em;
}

.page-products .pp-hero__text {
  margin: 18px 0 0;
  max-width: 42em;
  font-size: clamp(14px, 3.4vw, 16px);
  line-height: 1.75;
  color: var(--lk-fg);
}

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

.page-products .pp-hero__aside {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  align-self: end;
  background: var(--lk-line);
  border: var(--pp-edge);
}

.page-products .pp-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 12px;
  background: var(--lk-ink-2);
}

.page-products .pp-stat__num {
  font-size: clamp(20px, 5.4vw, 30px);
  color: var(--lk-cyan);
  font-weight: 700;
  line-height: 1;
}

.page-products .pp-stat__label {
  font-size: 12px;
  line-height: 1.5;
  color: var(--lk-haze);
}

/* ---------- 骨架与索引 ---------- */
.page-products .pp-shell {
  display: block;
  padding-top: clamp(24px, 4vw, 48px);
  padding-bottom: clamp(40px, 6vw, 80px);
}

.page-products .pp-rail {
  border-top: 2px solid var(--lk-cyan);
  border-bottom: var(--pp-edge);
  padding: 14px 0 16px;
  margin-bottom: clamp(10px, 2vw, 20px);
}

.page-products .pp-rail__title {
  margin: 0 0 10px;
  font-family: var(--lk-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--lk-haze);
}

.page-products .pp-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .pp-rail__list a {
  display: block;
  white-space: nowrap;
  padding: 7px 12px;
  border: var(--pp-edge);
  font-size: 13px;
  color: var(--lk-fg);
  text-decoration: none;
  transition: color 120ms linear, border-color 120ms linear;
}

.page-products .pp-rail__list a:hover,
.page-products .pp-rail__list a[aria-current="true"] {
  color: var(--lk-ink);
  background: var(--lk-cyan);
  border-color: var(--lk-cyan);
}

.page-products .pp-main {
  min-width: 0;
}

/* ---------- 区块 ---------- */
.page-products .pp-sec {
  padding-block: var(--pp-gap);
  border-top: var(--pp-edge);
  min-width: 0;
}

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

.page-products .pp-sec__head {
  max-width: 54em;
  margin-bottom: clamp(20px, 3.4vw, 36px);
}

.page-products .pp-sec__head h2,
.page-products .pp-split__main h2 {
  margin: 12px 0 0;
  font-size: clamp(24px, 5.6vw, 38px);
  line-height: 1.16;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: #E7F4EF;
}

.page-products .pp-sec__head h2::after,
.page-products .pp-split__main h2::after {
  content: "";
  display: block;
  width: 64px;
  height: 2px;
  margin-top: 16px;
  background: linear-gradient(90deg, var(--lk-cyan), rgba(53, 240, 198, 0));
}

.page-products .pp-sec__head p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--lk-fg);
}

/* ---------- 配图 ---------- */
.page-products .pp-figure {
  margin: 0 0 clamp(20px, 3.4vw, 34px);
  border: var(--pp-edge);
  background: var(--lk-ink-2);
  overflow: hidden;
}

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

.page-products .pp-figure figcaption {
  padding: 10px 14px;
  border-top: var(--pp-edge);
  font-family: var(--lk-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--lk-haze);
}

.page-products .pp-figure--wide {
  border-left: 2px solid var(--lk-cyan);
}

.page-products .pp-figure--bg {
  margin-top: clamp(20px, 3.4vw, 34px);
  margin-bottom: 0;
  border-left: 2px solid var(--lk-gold);
}

/* ---------- 入口卡 ---------- */
.page-products .pp-entry__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-products .pp-entry__card {
  position: relative;
  padding: clamp(18px, 3vw, 26px);
  border: var(--pp-edge);
  background: linear-gradient(160deg, var(--lk-ink-2), var(--lk-ink));
  transition: border-color 140ms linear;
}

.page-products .pp-entry__card:hover {
  border-color: var(--lk-cyan-line);
}

.page-products .pp-entry__no {
  display: block;
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--lk-gold);
}

.page-products .pp-entry__card h3 {
  margin: 10px 0 0;
  font-size: 19px;
  font-weight: 700;
  color: #E7F4EF;
}

.page-products .pp-entry__card p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--lk-fg);
}

.page-products .pp-entry__link {
  display: inline-block;
  margin-top: 16px;
  font-family: var(--lk-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--lk-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--lk-cyan-line);
  padding-bottom: 2px;
}

.page-products .pp-entry__link:hover {
  color: var(--lk-cyan-soft);
}

/* ---------- 筛选标签 ---------- */
.page-products .pp-fieldset {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 12px 0;
  border-top: var(--pp-edge);
}

.page-products .pp-fieldset__label {
  min-width: 76px;
  font-family: var(--lk-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--lk-haze);
}

.page-products .pp-tag {
  padding: 6px 12px;
  border: var(--pp-edge);
  font-family: var(--lk-mono);
  font-size: 12px;
  color: var(--lk-fg);
  background: var(--lk-ink-2);
}

.page-products .pp-tag--on {
  color: var(--lk-ink);
  background: var(--lk-cyan);
  border-color: var(--lk-cyan);
  font-weight: 700;
}

/* ---------- 表格 ---------- */
.page-products .pp-table-wrap {
  margin-top: clamp(16px, 2.6vw, 26px);
  border: var(--pp-edge);
  background: var(--lk-ink-2);
}

.page-products .pp-table {
  width: 100%;
  min-width: 700px;
  border-collapse: collapse;
  font-family: var(--lk-mono);
  font-size: 14px;
  color: var(--lk-fg);
}

.page-products .pp-table caption {
  padding: 12px 14px;
  text-align: left;
  font-family: var(--lk-head);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--lk-haze);
  border-bottom: var(--pp-edge);
}

.page-products .pp-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 12px 14px;
  text-align: left;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--lk-cyan-soft);
  background: var(--lk-ink-3);
  border-bottom: 1px solid var(--lk-cyan-line);
  white-space: nowrap;
}

.page-products .pp-table tbody th {
  padding: 12px 14px;
  text-align: left;
  font-weight: 700;
  color: #E7F4EF;
  border-bottom: var(--pp-edge);
  white-space: nowrap;
}

.page-products .pp-table tbody td {
  padding: 12px 14px;
  border-bottom: var(--pp-edge);
  color: var(--lk-cyan-soft);
}

.page-products .pp-table tbody tr {
  transition: background-color 120ms linear;
}

.page-products .pp-table tbody tr:hover {
  background: rgba(166, 251, 232, 0.12);
}

.page-products .pp-table tbody tr:last-child th,
.page-products .pp-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .pp-note {
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--lk-cyan);
  font-size: 14px;
  line-height: 1.75;
  color: var(--lk-fg);
}

.page-products .pp-note--tight {
  margin-top: 20px;
}

.page-products .pp-note a,
.page-products .pp-list a {
  color: var(--lk-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--lk-cyan-line);
}

.page-products .pp-note a:hover,
.page-products .pp-list a:hover {
  color: var(--lk-cyan-soft);
}

/* ---------- 测试版 ---------- */
.page-products .pp-ver {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3.4vw, 40px);
  align-items: start;
}

.page-products .pp-ver__device {
  position: relative;
  max-width: 340px;
  margin: 0 auto;
  padding: 14px;
  border: 1px solid var(--lk-line-strong);
  border-radius: 26px;
  background: linear-gradient(165deg, var(--lk-ink-3), var(--lk-ink-2));
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.5), inset 0 0 0 1px rgba(53, 240, 198, 0.1);
}

.page-products .pp-ver__device::before {
  content: "";
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 66px;
  height: 4px;
  border-radius: 999px;
  background: rgba(207, 194, 169, 0.35);
}

.page-products .pp-ver__device img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: 16px;
}

.page-products .pp-ver__facts {
  display: grid;
  gap: 1px;
  background: var(--lk-line);
  border: var(--pp-edge);
}

.page-products .pp-fact {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  justify-content: space-between;
  padding: 13px 16px;
  background: var(--lk-ink-2);
}

.page-products .pp-fact__k {
  font-size: 13px;
  color: var(--lk-haze);
}

.page-products .pp-fact__v {
  font-family: var(--lk-mono);
  font-size: 15px;
  color: var(--lk-cyan);
  letter-spacing: 0.03em;
}

.page-products .pp-ver__facts .pp-note--tight {
  margin: 16px 0 0;
  background: none;
  border: 0;
  padding-left: 14px;
}

/* ---------- 暖纸分区 ---------- */
.page-products .pp-sec--paper {
  margin-inline: calc(-1 * clamp(16px, 4vw, 40px));
  padding-inline: clamp(16px, 4vw, 40px);
  background: var(--lk-paper);
  color: var(--lk-text-ink);
}

.page-products .pp-sec--paper h2,
.page-products .pp-sec--paper h3 {
  color: var(--lk-text-ink);
}

.page-products .pp-sec--paper .lk-kicker {
  color: #9A6B14;
}

.page-products .pp-sec--paper p,
.page-products .pp-sec--paper li {
  color: var(--lk-text-ink);
}

.page-products .pp-sec--paper .pp-list a {
  color: #0B6B57;
  border-bottom-color: rgba(11, 107, 87, 0.4);
}

.page-products .pp-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3.4vw, 40px);
  align-items: start;
}

.page-products .pp-split__main h2::after {
  background: linear-gradient(90deg, #0B6B57, rgba(11, 107, 87, 0));
}

.page-products .pp-split__main > p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.75;
}

.page-products .pp-split__aside {
  border-color: var(--lk-paper-dim);
  background: var(--lk-paper-dim);
}

.page-products .pp-split__aside figcaption {
  border-top-color: var(--lk-paper-dim);
  color: #5C5140;
}

.page-products .pp-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--lk-paper-dim);
}

.page-products .pp-list li {
  padding: 14px 0;
  border-bottom: 1px solid var(--lk-paper-dim);
  font-size: 14px;
  line-height: 1.72;
}

.page-products .pp-list strong {
  display: block;
  margin-bottom: 4px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

/* ---------- 导出 ---------- */
.page-products .pp-export {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-products .pp-export__card {
  padding: clamp(18px, 3vw, 26px);
  border: var(--pp-edge);
  border-top: 2px solid var(--lk-gold);
  background: var(--lk-ink-2);
}

.page-products .pp-export__card h3 {
  margin: 0;
  font-family: var(--lk-mono);
  font-size: 22px;
  letter-spacing: 0.05em;
  color: var(--lk-gold);
}

.page-products .pp-export__card p {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--lk-fg);
}

.page-products .pp-export__meta {
  font-family: var(--lk-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--lk-haze);
}

.page-products .pp-modes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 14px;
}

.page-products .pp-mode {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "tag title"
    "tag text";
  column-gap: 14px;
  align-items: start;
  padding: clamp(16px, 2.6vw, 22px);
  border: var(--pp-edge);
  background: linear-gradient(200deg, var(--lk-ink-3), var(--lk-ink-2));
}

.page-products .pp-mode__tag {
  grid-area: tag;
  font-size: 26px;
  font-weight: 700;
  color: var(--lk-cyan);
  line-height: 1;
}

.page-products .pp-mode h3 {
  grid-area: title;
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: #E7F4EF;
}

.page-products .pp-mode p {
  grid-area: text;
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--lk-fg);
}

/* ---------- 使用场景 ---------- */
.page-products .pp-users {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-products .pp-user {
  padding: clamp(16px, 2.6vw, 24px);
  border: var(--pp-edge);
  border-left: 2px solid var(--lk-red);
  background: var(--lk-ink-2);
}

.page-products .pp-user h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: #E7F4EF;
}

.page-products .pp-user p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--lk-fg);
}

.page-products .pp-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-top: clamp(20px, 3.4vw, 32px);
  padding: clamp(18px, 3vw, 28px);
  border: 1px solid var(--lk-cyan-line);
  background: linear-gradient(135deg, rgba(53, 240, 198, 0.08), transparent 62%), var(--lk-ink-2);
}

.page-products .pp-contact h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  color: #E7F4EF;
}

.page-products .pp-contact p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--lk-fg);
}

.page-products .pp-contact strong {
  color: var(--lk-cyan);
  font-weight: 700;
}

.page-products .pp-contact__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-products .pp-entry__grid,
  .page-products .pp-export,
  .page-products .pp-modes,
  .page-products .pp-users {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pp-entry__card:nth-child(3) {
    grid-column: 1 / -1;
  }
}

@media (min-width: 940px) {
  .page-products .pp-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-products .pp-shell {
    display: grid;
    grid-template-columns: 200px minmax(0, 1fr);
    column-gap: clamp(32px, 4.5vw, 64px);
    align-items: start;
  }

  .page-products .pp-rail {
    position: sticky;
    top: var(--lk-anchor);
    border-top: 2px solid var(--lk-cyan);
    border-bottom: 0;
    border-right: var(--pp-edge);
    padding: 20px 18px 24px 0;
    margin-bottom: 0;
  }

  .page-products .pp-rail__title {
    writing-mode: vertical-rl;
    letter-spacing: 0.3em;
    margin: 0 0 14px;
    height: 74px;
  }

  .page-products .pp-rail__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding: 0;
  }

  .page-products .pp-rail__list a {
    border: 0;
    border-left: 2px solid transparent;
    padding: 10px 12px;
    white-space: normal;
  }

  .page-products .pp-rail__list a:hover,
  .page-products .pp-rail__list a[aria-current="true"] {
    background: transparent;
    color: var(--lk-cyan);
    border-left-color: var(--lk-cyan);
  }

  .page-products .pp-entry__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-products .pp-entry__card:nth-child(1) {
    margin-top: 0;
  }

  .page-products .pp-entry__card:nth-child(2) {
    margin-top: 30px;
    grid-column: auto;
  }

  .page-products .pp-entry__card:nth-child(3) {
    margin-top: 14px;
    grid-column: auto;
  }

  .page-products .pp-ver {
    grid-template-columns: minmax(260px, 320px) minmax(0, 1fr);
    align-items: center;
  }

  .page-products .pp-ver__device {
    margin: 0;
  }

  .page-products .pp-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-products .pp-export {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pp-modes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pp-users {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .pp-contact {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: center;
  }

  .page-products .pp-contact__links {
    justify-content: flex-end;
  }
}

@media (min-width: 1180px) {
  .page-products .pp-hero__grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-entry__card,
  .page-products .pp-table tbody tr,
  .page-products .pp-rail__list a {
    transition: none;
  }
}