.page-products {
  --rail-w: 268px;
  --dot: 38px;
  background: var(--deep);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-products .exp-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 40px 0 58px;
  background:
    radial-gradient(120% 92% at 88% 4%, rgba(255, 107, 53, 0.16), transparent 56%),
    linear-gradient(162deg, #0d2444 0%, #06132a 100%);
  border-bottom: 1px solid var(--line);
}

.page-products .exp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, rgba(36, 64, 107, 0.55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(36, 64, 107, 0.55) 1px, transparent 1px);
  background-size: 68px 68px;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 78%);
  mask-image: linear-gradient(to bottom, #000 0%, transparent 78%);
  pointer-events: none;
}

.page-products .exp-hero::after {
  content: "";
  position: absolute;
  right: -140px;
  bottom: -180px;
  width: 420px;
  height: 420px;
  border: 1px solid rgba(0, 229, 255, 0.22);
  border-radius: 50%;
  z-index: -1;
  pointer-events: none;
}

.page-products .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
}

.page-products .exp-hero .breadcrumb {
  margin-bottom: 22px;
}

.page-products .exp-hero h1 {
  margin: 12px 0 0;
  font-size: clamp(30px, 6.4vw, 58px);
  line-height: 1.12;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-products .exp-hero .lead {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.82;
  color: var(--ink-dim);
}

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

.page-products .hero-board {
  align-self: end;
  padding: 20px 22px 16px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--orange);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(18, 41, 74, 0.92), rgba(6, 19, 42, 0.94));
}

.page-products .board-head {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--orange-soft);
}

.page-products .board-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: baseline;
  gap: 10px;
  padding: 12px 0;
  border-top: 1px dashed rgba(36, 64, 107, 0.9);
}

.page-products .board-row:first-of-type {
  border-top: 0;
  padding-top: 6px;
}

.page-products .board-label {
  font-size: 13.5px;
  color: var(--ink-dim);
}

.page-products .board-num {
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.page-products .board-row:nth-of-type(2) .board-num {
  color: var(--orange);
}

.page-products .board-unit {
  font-size: 12px;
  color: var(--ink-dim);
}

/* ---------- 章节头 ---------- */
.page-products .section-head {
  position: relative;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.page-products .section-num {
  display: block;
  margin-bottom: 10px;
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-products .section-head h2 {
  margin: 0;
  font-size: clamp(23px, 4.2vw, 38px);
  line-height: 1.22;
  font-weight: 900;
  color: var(--white);
}

.page-products .section-sub {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-dim);
}

/* ---------- 路径区 ---------- */
.page-products .exp-path {
  padding: 54px 0 24px;
  background: linear-gradient(180deg, var(--deep) 0%, #0a1b34 100%);
}

.page-products .exp-path .section-head {
  margin-bottom: 34px;
}

.page-products .exp-path-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-products .rail-list {
  position: relative;
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-products .rail-item {
  flex: none;
}

.page-products .rail-node {
  display: grid;
  grid-template-columns: var(--dot) minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  min-width: 206px;
  padding: 10px 14px 10px 0;
  text-decoration: none;
  color: var(--ink-dim);
  transition: color var(--ease);
}

.page-products .rail-dot {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: var(--dot);
  height: var(--dot);
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--abyss);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan-soft);
  transition: border-color var(--ease), background var(--ease), color var(--ease), box-shadow var(--ease);
}

.page-products .rail-node:hover .rail-dot,
.page-products .rail-node:focus-visible .rail-dot {
  border-color: var(--cyan);
  background: #08203f;
  color: var(--white);
  box-shadow: 0 0 0 4px rgba(0, 229, 255, 0.12);
}

.page-products .rail-node:focus-visible {
  outline: none;
}

.page-products .rail-title {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  transition: color var(--ease);
}

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

.page-products .rail-sub {
  display: block;
  margin-top: 2px;
  font-size: 12px;
  color: var(--ink-dim);
}

/* ---------- 步骤主体 ---------- */
.page-products .exp-steps {
  display: grid;
}

.page-products .exp-step {
  padding: 32px 0 42px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 84px;
}

.page-products .exp-step:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-products .step-head {
  display: flex;
  align-items: baseline;
  gap: 13px;
  margin-bottom: 16px;
}

.page-products .step-index {
  flex: none;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-products .exp-step h3 {
  margin: 0;
  font-size: clamp(20px, 3.3vw, 29px);
  line-height: 1.32;
  font-weight: 800;
  color: var(--white);
}

.page-products .exp-step > p {
  margin: 0 0 16px;
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-dim);
}

.page-products .step-sub {
  margin: 30px 0 0;
  padding-left: 13px;
  border-left: 2px solid var(--cyan);
  font-size: 15.5px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .step-points {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .step-points li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.76;
  color: var(--ink);
}

.page-products .step-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 1px;
  background: var(--cyan);
}

.page-products .exp-step figure {
  margin: 24px 0 22px;
}

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

/* ---------- 分类标签云 ---------- */
.page-products .tag-cloud {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 12px;
  margin: 18px 0 6px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(140deg, rgba(18, 41, 74, 0.7), rgba(6, 19, 42, 0.72));
}

.page-products .cloud-tag {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #0d2141;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.2;
  transition: transform var(--ease), border-color var(--ease), background var(--ease);
}

.page-products .cloud-tag:hover {
  transform: scale(1.04);
  border-color: var(--cyan);
  background: #12294a;
}

.page-products .cloud-count {
  font-size: 12px;
  color: var(--ink-dim);
}

.page-products .cloud-tag--hot {
  font-size: 17px;
  font-weight: 700;
  border-color: rgba(255, 107, 53, 0.55);
  background: rgba(255, 107, 53, 0.1);
}

.page-products .cloud-tag--hot .cloud-count {
  color: var(--orange-soft);
}

.page-products .cloud-tag--warm {
  font-size: 15.5px;
  border-color: rgba(0, 229, 255, 0.32);
}

.page-products .cloud-tag--warm .cloud-count {
  color: var(--cyan-soft);
}

/* ---------- 条目大类 ---------- */
.page-products .kind-list {
  display: grid;
  gap: 1px;
  margin: 18px 0 6px;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
  overflow: hidden;
}

.page-products .kind-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-rows: auto auto;
  gap: 3px 13px;
  padding: 16px 18px;
  background: var(--panel);
}

.page-products .kind-code {
  grid-row: 1 / 3;
  align-self: center;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-size: 12px;
  color: var(--cyan);
}

.page-products .kind-list strong {
  font-size: 15px;
  color: var(--white);
}

.page-products .kind-desc {
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--ink-dim);
}

/* ---------- 筛选方式 ---------- */
.page-products .filter-row {
  display: grid;
  gap: 14px;
  margin: 18px 0 20px;
}

.page-products .filter-item {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  border-radius: var(--radius);
  background: rgba(12, 30, 58, 0.72);
}

.page-products .filter-key {
  display: block;
  margin-bottom: 8px;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-products .filter-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--ink-dim);
}

/* ---------- 图文分栏 ---------- */
.page-products .split {
  display: grid;
  gap: 24px;
  margin-top: 4px;
}

.page-products .split-text > p {
  margin: 0 0 16px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-dim);
}

.page-products .split-media {
  margin: 0;
}

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

/* ---------- 批次表格 ---------- */
.page-products .table-scroll {
  margin: 20px 0 6px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(6, 19, 42, 0.62);
  overflow-x: auto;
}

.page-products .batch-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .batch-table caption {
  padding: 14px 16px;
  text-align: left;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--ink-dim);
  border-bottom: 1px solid var(--line);
}

.page-products .batch-table th,
.page-products .batch-table td {
  padding: 13px 16px;
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid rgba(36, 64, 107, 0.6);
}

.page-products .batch-table thead th {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink-dim);
  background: rgba(18, 41, 74, 0.78);
}

.page-products .batch-table tbody td:first-child {
  font-weight: 600;
  color: var(--white);
  white-space: normal;
}

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

.page-products .batch-table tbody tr:hover td {
  background: rgba(0, 229, 255, 0.05);
}

.page-products .state {
  display: inline-block;
  padding: 3px 10px;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
}

.page-products .state--new {
  color: var(--cyan);
}

.page-products .state--rev {
  color: var(--orange-soft);
}

.page-products .state--off {
  color: var(--ink-dim);
}

/* ---------- 场景卡 ---------- */
.page-products .scene-grid {
  display: grid;
  gap: 16px;
  margin-top: 22px;
}

.page-products .scene-card {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 20px 18px;
  text-decoration: none;
  background: linear-gradient(180deg, rgba(18, 41, 74, 0.86), rgba(6, 19, 42, 0.88));
  transition: background var(--ease), border-color var(--ease), transform var(--ease);
}

.page-products .scene-card:hover,
.page-products .scene-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--cyan);
  background: linear-gradient(180deg, rgba(24, 52, 92, 0.95), rgba(10, 26, 52, 0.95));
}

.page-products .scene-tag {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-products .scene-name {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
}

.page-products .scene-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--ink-dim);
}

.page-products .scene-link {
  margin-top: auto;
  padding-top: 6px;
  font-size: 13px;
  color: var(--cyan);
}

/* ---------- 终端列表 ---------- */
.page-products .device-list {
  display: grid;
  gap: 12px;
  margin: 22px 0 6px;
  padding: 0;
  list-style: none;
}

.page-products .device-list li {
  display: grid;
  gap: 5px;
  padding: 15px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(18, 41, 74, 0.55);
  transition: border-color var(--ease), background var(--ease);
}

.page-products .device-list li:hover {
  border-color: rgba(0, 229, 255, 0.45);
  background: rgba(24, 52, 92, 0.7);
}

.page-products .device-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
}

.page-products .device-desc {
  font-size: 14px;
  line-height: 1.74;
  color: var(--ink-dim);
}

/* ---------- 后续入口 ---------- */
.page-products .exp-next {
  padding: 54px 0 70px;
  background: linear-gradient(180deg, #0a1b34 0%, var(--abyss) 100%);
  border-top: 1px solid var(--line);
}

.page-products .next-grid {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.page-products .next-card {
  display: block;
  padding: 20px 18px;
  text-decoration: none;
  background: rgba(18, 41, 74, 0.6);
  transition: border-color var(--ease), background var(--ease);
}

.page-products .next-card:hover,
.page-products .next-card:focus-visible {
  border-color: var(--cyan);
  background: rgba(24, 52, 92, 0.86);
}

.page-products .next-card h3 {
  margin: 0 0 8px;
  font-size: 16.5px;
  font-weight: 700;
  color: var(--white);
}

.page-products .next-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink-dim);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .kind-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 768px) {
  .page-products .filter-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .device-list li {
    grid-template-columns: 190px minmax(0, 1fr);
    align-items: baseline;
    gap: 4px 18px;
  }

  .page-products .split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 320px);
    gap: 38px;
    align-items: start;
  }

  .page-products .split-media {
    margin-top: 4px;
  }
}

@media (min-width: 1024px) {
  .page-products .exp-hero {
    padding: 52px 0 70px;
  }

  .page-products .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 60px;
    align-items: end;
  }

  .page-products .exp-path {
    padding: 66px 0 30px;
  }

  .page-products .exp-path-inner {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    gap: 58px;
  }

  .page-products .exp-rail {
    position: sticky;
    top: 92px;
    align-self: start;
    padding-top: 4px;
  }

  .page-products .rail-list {
    display: block;
    padding: 0;
    overflow: visible;
  }

  .page-products .rail-list::before {
    content: "";
    position: absolute;
    left: 19px;
    top: 20px;
    bottom: 20px;
    width: 1px;
    background: linear-gradient(to bottom, rgba(0, 229, 255, 0.6), rgba(36, 64, 107, 0.9) 72%, transparent);
  }

  .page-products .rail-node {
    min-width: 0;
    padding: 13px 0;
  }

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

@media (min-width: 1200px) {
  .page-products .kind-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-products .cloud-tag,
  .page-products .scene-card,
  .page-products .rail-dot,
  .page-products .rail-title {
    transition: none;
  }

  .page-products .cloud-tag:hover,
  .page-products .scene-card:hover {
    transform: none;
  }
}