.page-products {
  --p-line: 1px solid rgba(192, 138, 62, 0.32);
  --p-line-soft: 1px solid rgba(192, 138, 62, 0.14);
  --p-dash: 1px dashed rgba(168, 176, 194, 0.28);
  --grid-gap: 1.125rem;
  padding-bottom: 3rem;
}

.page-products section {
  padding-block: 2.25rem;
}

.page-products .breadcrumb {
  padding-top: 1.5rem;
  font-size: var(--fs-xs);
}

.page-products .breadcrumb ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

/* ---------- 首屏 ---------- */

.page-products .svc-hero {
  padding-block: 1.5rem 2rem;
}

.page-products .svc-hero h1 {
  margin: 0.75rem 0 1rem;
  font-size: clamp(1.875rem, 6vw, 3.25rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  max-width: 16em;
}

.page-products .lead {
  max-width: 32em;
  font-size: var(--fs-body);
  line-height: 1.75;
}

.page-products .hero-facts {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 1rem 0 0;
  border-top: var(--p-line-soft);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem 1rem;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.04em;
  color: var(--gray);
}

.page-products .hero-facts strong {
  display: block;
  margin-bottom: 0.2rem;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--copper-200);
  letter-spacing: 0.02em;
}

/* ---------- 章节头 ---------- */

.page-products .sec-head {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.page-products .section-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.75rem;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--copper-500);
}

.page-products .sec-head h2 {
  margin: 0;
  font-size: var(--fs-h2);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.01em;
}

.page-products .sec-sub {
  margin: 0.625rem 0 0;
  max-width: 36em;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--gray);
}

/* ---------- 四类服务 ---------- */

.page-products .svc-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  padding: 2.5rem 1.375rem 1.5rem;
  background: var(--indigo-700);
  border: var(--p-line);
  border-radius: 2px;
  box-shadow: var(--shadow-paper);
}

.page-products .svc-num {
  position: absolute;
  top: 0.875rem;
  left: 1.375rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  color: var(--copper-500);
}

.page-products .svc-card::before {
  content: "";
  position: absolute;
  top: 0.95rem;
  left: 3.25rem;
  width: 2.25rem;
  height: 1px;
  background: var(--copper-500);
}

.page-products .svc-card h3 {
  margin: 0;
  font-size: var(--fs-h3);
  font-weight: 700;
  line-height: 1.3;
}

.page-products .svc-card p {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--gray);
}

.page-products .svc-list {
  list-style: none;
  margin: auto 0 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
  border-top: var(--p-line-soft);
  padding-top: 0.875rem;
}

.page-products .svc-list li {
  position: relative;
  padding-left: 1rem;
  font-size: var(--fs-xs);
  line-height: 1.7;
  color: var(--copper-200);
}

.page-products .svc-list li::before {
  content: "";
  position: absolute;
  top: 0.62em;
  left: 0;
  width: 6px;
  height: 1px;
  background: var(--copper-500);
}

.page-products .svc-figure {
  margin: 0;
}

.page-products .svc-figure img {
  height: 130px;
}

/* 通用图框 */

.page-products .p-figure {
  margin: 0;
  overflow: hidden;
  background: var(--indigo-700);
  border: var(--p-line);
  box-shadow: var(--shadow-paper);
}

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

.page-products .p-figure figcaption {
  padding: 0.75rem 1rem;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.04em;
  line-height: 1.7;
  color: var(--gray);
  border-top: var(--p-line-soft);
}

/* 横向承接带 */

.page-products .svc-band {
  margin-top: 1.125rem;
  display: grid;
  gap: 1rem;
  padding: 1.5rem 1.25rem;
  background: linear-gradient(100deg, var(--indigo-600), var(--indigo-700) 72%);
  border: var(--p-line);
  border-left: 3px solid var(--orange);
  box-shadow: var(--shadow-paper);
}

.page-products .svc-band__lead {
  position: relative;
  padding-top: 1.5rem;
}

.page-products .svc-band__lead .svc-num {
  position: static;
  display: block;
  margin-bottom: 0.5rem;
}

.page-products .svc-band h3 {
  margin: 0 0 0.5rem;
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--white);
}

.page-products .svc-band p {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--gray);
}

.page-products .svc-band__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-products .band-chip {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.04em;
  padding: 0.3rem 0.6rem;
  color: var(--copper-200);
  border: var(--p-line);
  background: rgba(11, 21, 51, 0.5);
  white-space: nowrap;
}

.page-products .svc-band .btn {
  justify-self: start;
}

/* ---------- 五步流程 ---------- */

.page-products .flow-figure img {
  height: auto;
  max-height: 220px;
}

.page-products .flow {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-products .flow__step {
  position: relative;
  padding: 0.25rem 0 0.5rem 1.25rem;
  border-left: 1px solid rgba(192, 138, 62, 0.35);
  transition: border-color 0.3s ease;
}

.page-products .flow__step::before {
  content: "";
  position: absolute;
  top: 0.55rem;
  left: -5px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--indigo-900);
  border: 1px solid var(--copper-500);
  transition: background 0.3s ease, border-color 0.3s ease;
}

.page-products .flow__no {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.12em;
  color: var(--copper-500);
}

.page-products .flow__step h3 {
  margin: 0.35rem 0 0.45rem;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--white);
}

.page-products .flow__step p {
  margin: 0 0 0.75rem;
  font-size: var(--fs-xs);
  line-height: 1.8;
  color: var(--gray);
}

.page-products .flow__meta {
  margin: 0;
  display: grid;
  gap: 0.25rem;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.03em;
}

.page-products .flow__meta div {
  display: flex;
  gap: 0.5rem;
}

.page-products .flow__meta dt {
  flex: none;
  color: rgba(168, 176, 194, 0.75);
}

.page-products .flow__meta dd {
  margin: 0;
  color: var(--copper-200);
}

.page-products .flow__step:hover,
.page-products .flow__step:focus-within {
  border-left-color: var(--orange);
}

.page-products .flow__step:hover::before,
.page-products .flow__step:focus-within::before {
  background: var(--orange);
  border-color: var(--orange);
}

/* ---------- 兼容保障 ---------- */

.page-products .svc-compat {
  background: linear-gradient(180deg, rgba(22, 36, 79, 0.62), rgba(11, 21, 51, 0) 78%);
  border-top: var(--p-line-soft);
  border-bottom: var(--p-line-soft);
}

.page-products .compat-grid {
  display: grid;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.page-products .compat-figure img {
  max-height: 320px;
}

.page-products .chain {
  list-style: none;
  margin: 0;
  padding: 0 0 0 1.5rem;
  position: relative;
  display: grid;
  gap: 1.125rem;
}

.page-products .chain::before {
  content: "";
  position: absolute;
  top: 0.4rem;
  bottom: 0.4rem;
  left: 5px;
  width: 1px;
  background: linear-gradient(180deg, var(--copper-500), rgba(192, 138, 62, 0.2));
}

.page-products .chain__item {
  position: relative;
  display: grid;
  gap: 0.25rem;
}

.page-products .chain__item::before {
  content: "";
  position: absolute;
  top: 0.4rem;
  left: -1.5rem;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--indigo-900);
  border: 2px solid var(--copper-500);
}

.page-products .chain__no {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.14em;
  color: var(--copper-500);
}

.page-products .chain__item h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
}

.page-products .chain__item p {
  margin: 0;
  font-size: var(--fs-xs);
  line-height: 1.8;
  color: var(--gray);
}

/* 状态面板 */

.page-products .status-panel {
  padding: 1.375rem 1.125rem;
  background: var(--indigo-700);
  border: var(--p-line);
  box-shadow: var(--shadow-paper);
}

.page-products .status-panel__title {
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--copper-200);
}

.page-products .status-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.875rem;
}

.page-products .status-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.35rem 0.75rem;
  align-items: center;
  padding-bottom: 0.875rem;
  border-bottom: var(--p-dash);
}

.page-products .status-list .status-item:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.page-products .status-item__name {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--white);
}

.page-products .status-item__desc {
  grid-column: 1 / -1;
  font-size: var(--fs-xs);
  line-height: 1.75;
  color: var(--gray);
}

.page-products .status-panel__foot {
  margin: 1.125rem 0 0;
  font-size: var(--fs-xs);
  line-height: 1.8;
  color: var(--gray);
}

.page-products .status-panel__foot a {
  color: var(--copper-200);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .status-panel__foot a:hover {
  color: var(--orange);
}

.page-products .matrix-figure {
  margin-top: 1.5rem;
}

/* ---------- 交付标准 ---------- */

.page-products .spec-figure {
  margin-bottom: 1.25rem;
}

.page-products .spec-figure img {
  max-height: 210px;
}

.page-products .spec-wrap {
  overflow-x: auto;
  background: rgba(22, 36, 79, 0.6);
  border: var(--p-line);
  box-shadow: var(--shadow-paper);
}

.page-products .spec-table {
  width: 100%;
  min-width: 34rem;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.03em;
}

.page-products .spec-table caption {
  caption-side: top;
  text-align: left;
  padding: 0.875rem 1rem;
  font-family: var(--font-sans);
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--copper-200);
}

.page-products .spec-table th {
  text-align: left;
  padding: 0.7rem 1rem;
  font-weight: 500;
  color: var(--copper-200);
  border-bottom: 1px solid rgba(192, 138, 62, 0.45);
  white-space: nowrap;
}

.page-products .spec-table td {
  padding: 0.8rem 1rem;
  line-height: 1.7;
  color: var(--gray);
  border-bottom: var(--p-dash);
  vertical-align: top;
}

.page-products .spec-table td:first-child {
  color: var(--white);
  white-space: nowrap;
}

.page-products .spec-table td:nth-child(2) {
  color: var(--teal);
  white-space: nowrap;
}

.page-products .spec-table tbody tr:last-child td {
  border-bottom: none;
}

/* ---------- 适用场景 ---------- */

.page-products .scenes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.25rem;
}

.page-products .scene {
  padding: 0.25rem 0 0.25rem 1.125rem;
  border-left: 3px solid rgba(192, 138, 62, 0.45);
  transition: border-color 0.3s ease;
}

.page-products .scene:hover {
  border-left-color: var(--orange);
}

.page-products .scene__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.14em;
  color: var(--copper-500);
  margin-bottom: 0.4rem;
}

.page-products .scene h3 {
  margin: 0 0 0.5rem;
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--white);
}

.page-products .scene p {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.85;
  color: var(--gray);
}

/* ---------- 三档组合 ---------- */

.page-products .tiers {
  display: grid;
  gap: 1.25rem;
}

.page-products .tier {
  position: relative;
  padding: 1.5rem 1.25rem 1.375rem;
  background: var(--paper);
  color: var(--indigo-900);
  border: 1px solid rgba(192, 138, 62, 0.7);
  box-shadow: 6px 6px 0 rgba(5, 10, 26, 0.55);
}

.page-products .tier::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  border-width: 0 18px 18px 0;
  border-style: solid;
  border-color: transparent var(--indigo-900) transparent transparent;
}

.page-products .tier__kicker {
  margin: 0 0 0.35rem;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.14em;
  color: #7d5a20;
}

.page-products .tier h3 {
  margin: 0 0 0.625rem;
  font-size: var(--fs-h3);
  font-weight: 900;
  line-height: 1.25;
  color: var(--indigo-900);
}

.page-products .tier__desc {
  margin: 0 0 0.875rem;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: rgba(11, 21, 51, 0.78);
}

.page-products .tier__list {
  list-style: none;
  margin: 0;
  padding: 0.875rem 0 0;
  border-top: 1px dashed rgba(11, 21, 51, 0.25);
  display: grid;
  gap: 0.45rem;
}

.page-products .tier__list li {
  position: relative;
  padding-left: 1rem;
  font-size: var(--fs-xs);
  line-height: 1.7;
  color: rgba(11, 21, 51, 0.85);
}

.page-products .tier__list li::before {
  content: "";
  position: absolute;
  top: 0.62em;
  left: 0;
  width: 6px;
  height: 6px;
  background: var(--copper-500);
}

.page-products .tiers-cta {
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: var(--p-line-soft);
  display: grid;
  gap: 1rem;
}

.page-products .tiers-cta p {
  margin: 0;
  max-width: 34em;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--gray);
}

.page-products .tiers-cta a:not(.btn) {
  color: var(--copper-200);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .tiers-cta a:not(.btn):hover {
  color: var(--orange);
}

.page-products .tiers-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ---------- 移动端优化 ---------- */

@media (max-width: 419px) {
  .page-products .hero-facts {
    grid-template-columns: 1fr;
  }

  .page-products .tiers-cta__actions .btn {
    width: 100%;
    text-align: center;
  }
}

/* ---------- 平板 ---------- */

@media (min-width: 640px) {
  .page-products .svc-hero {
    padding-block: 2rem 2.5rem;
  }

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

  .page-products .svc-band {
    grid-template-columns: 1fr auto;
    align-items: center;
    padding: 1.75rem;
  }

  .page-products .svc-band__lead {
    grid-column: 1 / 2;
    padding-top: 0;
  }

  .page-products .svc-band__meta {
    grid-column: 1 / 2;
  }

  .page-products .svc-band .btn {
    grid-column: 2 / 3;
    grid-row: 1 / 3;
    align-self: center;
  }

  .page-products .flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem 1rem;
  }

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

  .page-products .tiers-cta {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}

/* ---------- 桌面 ---------- */

@media (min-width: 900px) {
  .page-products {
    --grid-gap: 1.5rem;
  }

  .page-products section {
    padding-block: 3.5rem;
  }

  .page-products .sec-head {
    gap: 1.25rem;
    margin-bottom: 2rem;
  }

  .page-products .section-num {
    font-size: 2.75rem;
    margin-top: -0.3rem;
  }

  .page-products .svc-card {
    padding: 2.75rem 1.75rem 1.75rem;
  }

  .page-products .svc-card h3 {
    font-size: 1.375rem;
  }

  .page-products .svc-figure img {
    height: 156px;
  }

  .page-products .flow {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0.875rem;
    position: relative;
    margin-top: 2rem;
  }

  .page-products .flow::before {
    content: "";
    position: absolute;
    top: 0.3rem;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, rgba(192, 138, 62, 0.12), var(--copper-500) 10%, var(--copper-500) 90%, rgba(192, 138, 62, 0.12));
  }

  .page-products .flow__step {
    border-left: none;
    padding: 1.75rem 0.5rem 0 0;
  }

  .page-products .flow__step::before {
    top: 0;
    left: 0;
    width: 8px;
    height: 8px;
  }

  .page-products .flow__step:hover {
    border-left-color: transparent;
  }

  .page-products .compat-grid {
    grid-template-columns: 1fr 1.2fr;
    gap: 2rem;
    align-items: start;
  }

  .page-products .chain {
    padding-left: 1.75rem;
  }

  .page-products .chain__item::before {
    left: -1.75rem;
  }

  .page-products .status-panel {
    padding: 1.75rem;
  }

  .page-products .status-item {
    grid-template-columns: auto minmax(9rem, auto) 1fr;
    gap: 0.75rem 1rem;
    align-items: baseline;
  }

  .page-products .status-item__desc {
    grid-column: 3 / 4;
  }

  .page-products .scenes {
    grid-template-columns: 1.1fr 1fr 0.95fr;
    gap: 1.75rem;
    align-items: start;
  }

  .page-products .scene:nth-child(2) {
    margin-top: 1.5rem;
  }

  .page-products .scene:nth-child(3) {
    margin-top: 3rem;
  }

  .page-products .tiers {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.75rem;
    align-items: start;
  }

  .page-products .tier:nth-child(2) {
    margin-top: 2.25rem;
  }

  .page-products .tier:nth-child(3) {
    margin-top: 4.5rem;
  }

  .page-products .tiers-cta {
    margin-top: 2.5rem;
  }
}

@media (min-width: 1180px) {
  .page-products .svc-hero h1 {
    max-width: 15em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .flow__step,
  .page-products .flow__step::before,
  .page-products .scene {
    transition: none;
  }
}