/* ===== 数据产品 /products/ ===== */
.page-products {
  --pd-edge: rgba(35, 211, 238, .2);
  --pd-edge-strong: rgba(35, 211, 238, .55);
  --pd-panel: #10263A;
  --pd-panel-soft: rgba(16, 38, 58, .92);
  padding-bottom: 0;
}

.page-products .breadcrumb {
  padding-top: clamp(16px, 3vw, 30px);
}

.page-products .pd-sep {
  margin: 0 .5em;
  color: var(--mist);
  opacity: .6;
}

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

/* ---------- 首屏 ---------- */
.pd-hero {
  padding: clamp(26px, 5vw, 62px) 0 clamp(30px, 5vw, 58px);
}

.pd-hero-grid {
  display: grid;
  gap: clamp(28px, 5vw, 54px);
}

.pd-hero h1 {
  margin: 12px 0 20px;
  font-size: clamp(38px, 9vw, 78px);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -.02em;
  color: var(--snow);
}

@supports (background-clip: text) {
  .pd-hero h1 {
    background-image: linear-gradient(102deg, var(--snow) 42%, var(--cyan-soft) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
}

.pd-hero .lede {
  max-width: 34em;
  color: var(--mist);
  font-size: 16px;
  line-height: 1.75;
}

.pd-kpis {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 30px;
  padding-top: 26px;
  border-top: 1px solid rgba(169, 188, 205, .16);
}

.pd-kpi {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.pd-kpi-num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 5vw, 34px);
  font-weight: 600;
  line-height: 1;
  color: var(--cyan);
  text-shadow: 0 0 18px rgba(35, 211, 238, .45);
}

.pd-kpi-label {
  font-size: 13px;
  color: var(--mist);
  letter-spacing: .04em;
}

.pd-hero-side {
  padding: clamp(20px, 3.4vw, 26px);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(14, 58, 74, .9), transparent 62%),
    var(--pd-panel-soft);
  border: 1px solid var(--pd-edge);
}

.pd-side-label {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--gold);
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.tag-cloud span {
  padding: 8px 15px;
  border-radius: var(--pill);
  border: 1px solid var(--pd-edge);
  color: var(--mist);
  font-size: 13px;
  line-height: 1.2;
  transition: color .12s ease, border-color .12s ease;
}

.tag-cloud span:nth-child(3n) {
  border-color: rgba(245, 166, 35, .42);
  color: var(--gold);
}

.tag-cloud span:nth-child(4n) {
  border-color: rgba(35, 211, 238, .48);
  color: var(--cyan-soft);
}

.pd-side-note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 步骤导航条 ---------- */
.pd-stepnav {
  border-top: 1px solid rgba(169, 188, 205, .14);
  border-bottom: 1px solid rgba(169, 188, 205, .14);
  background: rgba(22, 51, 75, .38);
}

.pd-stepnav-inner {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-top: 14px;
  padding-bottom: 14px;
  scrollbar-width: thin;
}

.pd-stepnav a {
  flex: 0 0 auto;
  padding: 8px 16px;
  border-radius: var(--pill);
  border: 1px solid transparent;
  color: var(--mist);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  transition: color .12s ease, border-color .12s ease, background-color .12s ease;
}

.pd-stepnav a:hover,
.pd-stepnav a:focus-visible {
  color: var(--cyan-soft);
  border-color: var(--pd-edge-strong);
  background: rgba(35, 211, 238, .07);
}

/* ---------- 技能树 ---------- */
.pd-tree {
  padding-top: clamp(44px, 7vw, 84px);
}

.pd-steps {
  position: relative;
  display: grid;
  gap: clamp(26px, 4.4vw, 46px);
}

.pd-steps::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 20px;
  bottom: 20px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--cyan) 0%, var(--gold) 55%, var(--crimson) 100%);
  opacity: .3;
  display: none;
}

.step {
  position: relative;
  display: grid;
  gap: 14px;
}

.step-marker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--pd-edge-strong);
  background: var(--panel);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 0 0 6px rgba(11, 27, 43, .9), 0 0 20px rgba(35, 211, 238, .22);
}

.step-marker span {
  letter-spacing: .04em;
}

.step-panel {
  padding: clamp(20px, 3.4vw, 34px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--pd-edge);
  background:
    linear-gradient(158deg, rgba(16, 38, 58, .95) 0%, rgba(11, 27, 43, .97) 70%);
}

.step-title {
  margin: 0;
  font-size: clamp(20px, 3.4vw, 28px);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--snow);
  line-height: 1.3;
}

.step-sub {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold);
}

.step-panel > p,
.step-split-main > p {
  margin: 18px 0 0;
  color: var(--mist);
  font-size: 16px;
  line-height: 1.78;
}

.step-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.step-list li {
  position: relative;
  padding-left: 22px;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.72;
}

.step-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(35, 211, 238, .65);
}

.step-figure {
  margin: 24px 0 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(169, 188, 205, .14);
  background: var(--glow);
}

.step-figure img {
  width: 100%;
  object-fit: cover;
}

.step-split {
  display: grid;
  gap: 22px;
  margin-top: 6px;
}

.step-split .step-figure {
  margin: 0;
}

/* ---------- 第二步：双轴示意 ---------- */
.axis-demo {
  margin-top: 24px;
  height: clamp(150px, 26vw, 230px);
  border-radius: var(--radius-md);
  border: 1px solid rgba(35, 211, 238, .22);
  background-color: var(--glow);
  background-image:
    linear-gradient(rgba(169, 188, 205, .14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(169, 188, 205, .14) 1px, transparent 1px),
    radial-gradient(circle at 18% 30%, rgba(35, 211, 238, .55), transparent 40%),
    radial-gradient(circle at 46% 72%, rgba(35, 211, 238, .35), transparent 36%),
    radial-gradient(circle at 68% 34%, rgba(245, 166, 35, .42), transparent 38%),
    radial-gradient(circle at 86% 66%, rgba(192, 57, 43, .38), transparent 36%),
    radial-gradient(circle at 34% 18%, rgba(35, 211, 238, .3), transparent 30%);
  background-size: 100% 25%, 12.5% 100%, 100% 100%, 100% 100%, 100% 100%, 100% 100%, 100% 100%;
}

.axis-caption {
  margin: 12px 0 0;
  font-size: 13px;
  color: var(--mist);
  line-height: 1.7;
}

/* ---------- 第三步：排序与榜单 ---------- */
.sort-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}

.sort-chip {
  padding: 8px 16px;
  border-radius: var(--pill);
  border: 1px solid var(--pd-edge);
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 13px;
}

.sort-chip.is-active {
  border-color: var(--cyan);
  color: var(--ink);
  background: var(--cyan);
  box-shadow: 0 0 20px rgba(35, 211, 238, .35);
}

.board-demo {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  align-items: end;
  gap: 7px;
  height: clamp(110px, 20vw, 150px);
  margin-top: 26px;
  padding: 14px 14px 0;
  border-radius: var(--radius-md);
  border: 1px solid rgba(169, 188, 205, .14);
  background: rgba(22, 51, 75, .4);
}

.board-demo span {
  border-radius: 6px 6px 2px 2px;
  background: linear-gradient(180deg, var(--cyan) 0%, rgba(35, 211, 238, .12) 100%);
  box-shadow: 0 0 14px rgba(35, 211, 238, .2);
}

.board-demo span:nth-child(1) { height: 100%; }
.board-demo span:nth-child(2) { height: 90%; }
.board-demo span:nth-child(3) { height: 80%; }
.board-demo span:nth-child(4) { height: 71%; }
.board-demo span:nth-child(5) { height: 62%; }
.board-demo span:nth-child(6) { height: 54%; }
.board-demo span:nth-child(7) { height: 46%; }
.board-demo span:nth-child(8) { height: 38%; }

/* ---------- 第五步：文件列表 ---------- */
.file-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(169, 188, 205, .14);
}

.file-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 6px 14px;
  padding: 14px 16px;
  background: rgba(16, 38, 58, .72);
}

.file-name {
  color: var(--snow);
  font-size: 15px;
  font-weight: 600;
}

.file-rule {
  grid-column: 1 / 2;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
  letter-spacing: .02em;
}

.file-time {
  grid-row: 1 / 3;
  grid-column: 2 / 3;
  align-self: center;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--gold);
  text-align: right;
  white-space: nowrap;
}

/* ---------- 大屏收束 ---------- */
.pd-wide {
  padding-top: clamp(46px, 7vw, 88px);
}

.wide-card {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  padding: clamp(24px, 4vw, 46px);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(35, 211, 238, .26);
  background:
    radial-gradient(110% 120% at 0% 0%, rgba(14, 58, 74, .95) 0%, transparent 58%),
    linear-gradient(158deg, rgba(16, 38, 58, .96), rgba(11, 27, 43, .98));
}

.wide-card-copy h2 {
  margin: 12px 0 0;
  font-size: clamp(24px, 4vw, 38px);
  font-weight: 700;
  line-height: 1.24;
  letter-spacing: -.01em;
  color: var(--snow);
}

.wide-card-copy p {
  margin: 18px 0 0;
  max-width: 40em;
  color: var(--mist);
  font-size: 16px;
  line-height: 1.78;
}

.wide-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
  align-content: start;
}

.wide-points li {
  display: grid;
  gap: 6px;
  padding-left: 16px;
  border-left: 2px solid rgba(245, 166, 35, .5);
}

.wide-point-num {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  color: var(--gold);
  line-height: 1.1;
}

.wide-point-text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 下一步色带 ---------- */
.pd-next {
  margin-top: clamp(46px, 7vw, 88px);
  border-top: 6px solid transparent;
  background:
    linear-gradient(var(--ink), var(--ink)) padding-box,
    linear-gradient(90deg, var(--cyan) 0%, var(--gold) 56%, var(--crimson) 100%) border-box;
}

.pd-next-inner {
  display: grid;
  gap: 22px;
  padding-top: clamp(32px, 5vw, 58px);
  padding-bottom: clamp(44px, 7vw, 76px);
}

.pd-next-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .24em;
  color: var(--cyan);
}

.pd-next-inner h2 {
  margin: 10px 0 0;
  font-size: clamp(22px, 4vw, 32px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--snow);
}

.pd-next-inner p {
  margin: 14px 0 0;
  max-width: 38em;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.75;
}

.pd-next-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .pd-steps::before {
    display: block;
  }

  .step {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 26px;
    align-items: start;
  }

  .step-marker {
    margin-left: 6px;
  }

  .file-list li {
    grid-template-columns: minmax(0, 180px) minmax(0, 1fr) auto;
    align-items: center;
  }

  .file-rule {
    grid-column: 2 / 3;
    grid-row: 1 / 2;
  }

  .file-time {
    grid-column: 3 / 4;
    grid-row: 1 / 2;
  }
}

@media (min-width: 900px) {
  .pd-hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: end;
  }

  .pd-kpis {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }

  .step-split {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .6fr);
    gap: 30px;
    align-items: start;
  }

  .step-split--reverse {
    grid-template-columns: minmax(0, .6fr) minmax(0, 1.4fr);
  }

  .step-split--reverse .step-split-main {
    order: 2;
  }

  .step-split--reverse .step-figure {
    order: 1;
  }

  .wide-card {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr);
    align-items: start;
  }

  .pd-next-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .tag-cloud span,
  .pd-stepnav a {
    transition: none;
  }
}
<<<END>>>