.page-products {
  --pd-sec-pad: clamp(40px, 8vw, 84px);
  --pd-gap: clamp(16px, 3vw, 26px);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  position: relative;
  padding: clamp(24px, 5vw, 48px) 0 clamp(26px, 4vw, 42px);
  overflow: hidden;
}

.page-products .pd-hero::before {
  content: "";
  position: absolute;
  top: -34%;
  right: -24%;
  width: min(560px, 88vw);
  height: min(560px, 88vw);
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, rgba(198, 255, 61, 0.26), rgba(198, 255, 61, 0) 68%);
  pointer-events: none;
}

.page-products .pd-hero .breadcrumbs {
  margin-bottom: 20px;
}

.page-products .pd-title {
  position: relative;
  margin: 0 0 18px;
  max-width: 18em;
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(2rem, 6.2vw, 3.4rem);
  line-height: 1.16;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-products .pd-lede {
  position: relative;
  margin: 0;
  max-width: 40em;
  font-size: clamp(1rem, 2.4vw, 1.0625rem);
  line-height: 1.78;
  color: var(--grey);
}

.page-products .pd-stats {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pd-stat {
  padding: 14px 16px 16px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: 0 14px 30px -26px rgba(22, 35, 43, 0.55);
}

.page-products .pd-stat__num {
  display: inline-block;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums slashed-zero;
  font-size: clamp(1.5rem, 4.4vw, 1.95rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--dai);
}

.page-products .pd-stat__unit {
  margin-left: 3px;
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--grey);
}

.page-products .pd-stat__label {
  display: block;
  margin-top: 7px;
  font-size: 0.82rem;
  line-height: 1.55;
  color: var(--grey);
}

/* ---------- 技能树 ---------- */
.page-products .pd-sec--tree {
  padding-top: clamp(30px, 6vw, 58px);
  padding-bottom: var(--pd-sec-pad);
}

.page-products .pd-tree {
  display: grid;
  gap: 18px;
  margin-top: 26px;
}

.page-products .pd-trunk {
  position: relative;
  overflow: hidden;
  padding: 24px 22px 22px;
  border-radius: var(--radius);
  background: linear-gradient(150deg, var(--ink) 0%, #1d323d 100%);
  color: var(--paper);
  box-shadow: var(--shadow);
}

.page-products .pd-trunk::after {
  content: "";
  position: absolute;
  right: -46px;
  bottom: -66px;
  width: 190px;
  height: 190px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, rgba(198, 255, 61, 0.4), rgba(198, 255, 61, 0) 70%);
  pointer-events: none;
}

.page-products .pd-trunk__tag {
  margin: 0 0 10px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--green);
}

.page-products .pd-trunk__title {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(1.35rem, 4.2vw, 1.7rem);
  line-height: 1.25;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-products .pd-trunk__text {
  margin: 0 0 18px;
  font-size: 0.92rem;
  line-height: 1.72;
  color: rgba(246, 243, 236, 0.76);
}

.page-products .pd-trunk__link {
  position: relative;
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 255, 61, 0.5);
  padding-bottom: 2px;
}

.page-products .pd-trunk__link:hover,
.page-products .pd-trunk__link:focus-visible {
  border-bottom-color: var(--green);
}

.page-products .pd-branches {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pd-branch {
  position: relative;
}

.page-products .pd-branch__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 12px;
  row-gap: 4px;
  padding: 15px 18px 16px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.page-products .pd-branch__link:hover,
.page-products .pd-branch__link:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(198, 255, 61, 0.9);
  box-shadow: 0 18px 34px -28px rgba(22, 35, 43, 0.7);
}

.page-products .pd-branch__idx {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--wash-2);
  padding-top: 2px;
}

.page-products .pd-branch__name {
  font-family: var(--serif);
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-products .pd-branch__note {
  grid-column: 2;
  font-size: 0.84rem;
  line-height: 1.62;
  color: var(--grey);
}

/* ---------- 章节通用 ---------- */
.page-products .pd-sec {
  padding: var(--pd-sec-pad) 0;
  scroll-margin-top: 92px;
}

.page-products .pd-sec--alt {
  background: linear-gradient(180deg, rgba(216, 222, 224, 0.45) 0%, rgba(246, 243, 236, 0) 100%);
}

.page-products .pd-sec--data {
  background: linear-gradient(160deg, var(--ink) 0%, #1b2c34 100%);
  color: var(--paper);
}

.page-products .pd-sec__head {
  max-width: 44em;
  margin-bottom: 26px;
}

.page-products .pd-h2 {
  margin: 0 0 12px;
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(1.5rem, 4.4vw, 2.15rem);
  line-height: 1.26;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-products .pd-sec--data .pd-h2 {
  color: var(--paper);
}

.page-products .pd-sub {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.78;
  color: var(--grey);
}

.page-products .pd-sec--data .pd-sub,
.page-products .pd-sec--data .pd-body {
  color: rgba(246, 243, 236, 0.74);
}

.page-products .pd-body {
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--grey);
}

.page-products .pd-body p {
  margin: 0 0 14px;
}

.page-products .pd-body p:last-child {
  margin-bottom: 0;
}

.page-products .pd-body--tight {
  margin: 22px 0 0;
}

.page-products .pd-split {
  display: grid;
  gap: var(--pd-gap);
  margin-top: 30px;
}

/* ---------- 图片 ---------- */
.page-products .pd-figure {
  margin: 0 0 6px;
}

.page-products .pd-figure .media__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.page-products .pd-figure--data {
  margin: 34px 0 0;
}

.page-products .pd-figure--side,
.page-products .pd-figure--device {
  max-width: 420px;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- 参数表 ---------- */
.page-products .pd-tablewrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--card);
  -webkit-overflow-scrolling: touch;
}

.page-products .pd-table {
  width: 100%;
  min-width: 460px;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.page-products .pd-table__caption {
  padding: 14px 18px 0;
  text-align: left;
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--wash-2);
}

.page-products .pd-table th,
.page-products .pd-table td {
  padding: 12px 16px;
  text-align: left;
  vertical-align: top;
  line-height: 1.6;
  border-bottom: 1px solid var(--line);
}

.page-products .pd-table thead th {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--wash-1);
  background: rgba(216, 222, 224, 0.36);
}

.page-products .pd-table tbody th {
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
}

.page-products .pd-table tbody td {
  color: var(--grey);
}

.page-products .pd-table tbody td:nth-child(2) {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums slashed-zero;
  color: var(--dai);
  font-weight: 600;
  white-space: nowrap;
}

.page-products .pd-table tbody tr:nth-child(even) th,
.page-products .pd-table tbody tr:nth-child(even) td {
  background: rgba(169, 184, 188, 0.14);
}

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

/* ---------- 数据管道 ---------- */
.page-products .pd-pipe {
  display: grid;
  gap: 12px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pd-pipe__step {
  position: relative;
  padding: 16px 18px 18px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-sm);
  background: rgba(246, 243, 236, 0.05);
}

.page-products .pd-pipe__num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums slashed-zero;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--green);
}

.page-products .pd-pipe__title {
  margin: 0 0 6px;
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-products .pd-pipe__text {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.68;
  color: rgba(246, 243, 236, 0.68);
}

/* ---------- 数据指标带 ---------- */
.page-products .pd-metrics {
  display: grid;
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pd-metric {
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(198, 255, 61, 0.28);
  background: rgba(22, 35, 43, 0.5);
}

.page-products .pd-metric__num {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums slashed-zero;
  font-size: clamp(1.6rem, 5vw, 2.1rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--green);
}

.page-products .pd-metric__unit {
  margin-left: 4px;
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(198, 255, 61, 0.8);
}

.page-products .pd-metric__label {
  display: block;
  margin-top: 8px;
  font-size: 0.82rem;
  line-height: 1.55;
  color: rgba(246, 243, 236, 0.72);
}

/* ---------- 内容目录分类 ---------- */
.page-products .pd-cats {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pd-cat {
  position: relative;
  padding: 20px 20px 22px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.page-products .pd-cat::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--orange), rgba(255, 122, 46, 0));
}

.page-products .pd-cat__title {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-products .pd-cat__text {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--grey);
}

.page-products .pd-note {
  margin-top: 26px;
  padding: 22px 22px 24px;
  border-radius: var(--radius);
  border: 1px dashed rgba(34, 81, 94, 0.34);
  background: rgba(255, 255, 255, 0.66);
}

.page-products .pd-note__kicker {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dai);
}

.page-products .pd-note__text {
  margin: 0 0 18px;
  max-width: 42em;
  font-size: 0.95rem;
  line-height: 1.78;
  color: var(--grey);
}

/* ---------- 会员权益阶梯 ---------- */
.page-products .pd-tiers {
  display: grid;
  gap: 12px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.page-products .pd-tier {
  position: relative;
  padding: 18px 20px 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--card);
  transition: border-color 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-products .pd-tier::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 20px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--wash-3);
  transition: background 0.24s var(--ease);
}

.page-products .pd-tier:hover,
.page-products .pd-tier:focus-within {
  transform: translateX(3px);
  border-color: rgba(255, 122, 46, 0.6);
}

.page-products .pd-tier:hover::before,
.page-products .pd-tier:focus-within::before {
  background: var(--orange);
}

.page-products .pd-tier__lv {
  margin: 0 0 6px;
  font-family: var(--mono);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--wash-1);
}

.page-products .pd-tier__title {
  margin: 0 0 7px;
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-products .pd-tier__text {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.72;
  color: var(--grey);
}

.page-products .pd-inline-cta {
  margin-top: 4px;
}

/* ---------- 客户端维度 ---------- */
.page-products .pd-dims {
  display: grid;
  gap: 12px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}

.page-products .pd-dim {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--card);
}

.page-products .pd-dim__title {
  margin: 0 0 6px;
  font-family: var(--serif);
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--dai);
}

.page-products .pd-dim__text {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--grey);
}

/* ---------- 适用场景 ---------- */
.page-products .pd-scenes {
  display: grid;
  gap: 12px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pd-scene {
  padding: 18px 20px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--card);
  border-left: 3px solid var(--dai);
}

.page-products .pd-scene__tag {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-products .pd-scene__title {
  margin: 0 0 7px;
  font-family: var(--serif);
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-products .pd-scene__text {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.72;
  color: var(--grey);
}

/* ---------- 起步路径 ---------- */
.page-products .pd-sec--start {
  padding-bottom: calc(var(--pd-sec-pad) + 12px);
}

.page-products .pd-start {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pd-start__item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 22px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(170deg, var(--card) 0%, rgba(216, 222, 224, 0.34) 100%);
}

.page-products .pd-start__num {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums slashed-zero;
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1;
  color: var(--wash-2);
}

.page-products .pd-start__title {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.12rem;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-products .pd-start__text {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.74;
  color: var(--grey);
}

.page-products .pd-start__cta {
  align-self: flex-start;
  margin-top: 4px;
}

.page-products .pd-outro {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.page-products .pd-outro__text {
  margin: 0 0 18px;
  max-width: 42em;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--grey);
}

.page-products .pd-outro__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 平板 ---------- */
@media (min-width: 620px) {
  .page-products .pd-cats,
  .page-products .pd-scenes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

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

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-products .pd-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pd-tree {
    grid-template-columns: minmax(190px, 252px) minmax(0, 1fr);
    gap: 46px;
    align-items: center;
  }

  .page-products .pd-branches {
    position: relative;
    padding-left: 30px;
  }

  .page-products .pd-branches::before {
    content: "";
    position: absolute;
    left: 2px;
    top: 28px;
    bottom: 28px;
    width: 2px;
    border-radius: 2px;
    background: linear-gradient(180deg, var(--green) 0%, rgba(198, 255, 61, 0.28) 42%, rgba(34, 81, 94, 0.35) 100%);
  }

  .page-products .pd-branch::before {
    content: "";
    position: absolute;
    left: -28px;
    top: 50%;
    width: 26px;
    height: 1px;
    background: var(--wash-3);
  }

  .page-products .pd-branch::after {
    content: "";
    position: absolute;
    left: -32px;
    top: calc(50% - 5px);
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--paper);
    border: 2px solid var(--wash-3);
    transition: border-color 0.24s var(--ease), background 0.24s var(--ease);
  }

  .page-products .pd-branch:hover::after,
  .page-products .pd-branch:focus-within::after {
    border-color: var(--green);
    background: var(--green);
  }

  .page-products .pd-split {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: 52px;
    align-items: start;
  }

  .page-products .pd-split--rev {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  }

  .page-products .pd-split--rev .pd-split__text {
    order: 1;
  }

  .page-products .pd-split--rev .pd-figure--side {
    order: 2;
    margin-top: 6px;
  }

  .page-products .pd-split:not(.pd-split--rev) .pd-figure--device {
    margin-top: 6px;
  }

  .page-products .pd-figure--side,
  .page-products .pd-figure--device {
    max-width: 100%;
    margin-left: 0;
    margin-right: 0;
  }

  .page-products .pd-pipe {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

  .page-products .pd-pipe__step + .pd-pipe__step::before {
    content: "";
    position: absolute;
    left: -16px;
    top: 50%;
    width: 16px;
    height: 2px;
    background: rgba(198, 255, 61, 0.4);
  }

  .page-products .pd-cats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pd-scenes {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pd-table {
    min-width: 0;
  }
}

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products .pd-branch__link,
  .page-products .pd-tier,
  .page-products .pd-branch::after {
    transition: none;
  }

  .page-products .pd-branch__link:hover,
  .page-products .pd-branch__link:focus-visible,
  .page-products .pd-tier:hover,
  .page-products .pd-tier:focus-within {
    transform: none;
  }
}