.page-products {
  --biz-rail-w: 216px;
  --biz-gap: clamp(1.75rem, 5vw, 3.5rem);
  --tier-a: #C9D5E3;
  --tier-b: #9BACC6;
  --tier-c: #5B7095;
  --tier-d: #2A3C5E;
  background: var(--rice);
  color: var(--ink);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-products .biz-hero {
  padding-top: clamp(1.5rem, 4vw, 2.5rem);
}

.page-products .biz-hero__inner {
  display: grid;
  gap: clamp(1.75rem, 5vw, 3.25rem);
  align-items: end;
  padding-bottom: var(--biz-gap);
  border-bottom: 1px solid var(--line);
}

.page-products .biz-hero__copy .display-1 {
  margin: 0.75rem 0 0;
  line-height: 1.14;
}

.page-products .biz-hero__copy .lede {
  margin-top: 1.15rem;
}

.page-products .biz-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.page-products .biz-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .biz-hero__stat {
  background: var(--paper);
  padding: 0.9rem 1rem 1rem;
}

.page-products .biz-hero__stat dt {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--celadon);
}

.page-products .biz-hero__stat dd {
  margin: 0.4rem 0 0;
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 3.4vw, 1.75rem);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--indigo);
}

.page-products .biz-hero__unit {
  margin-left: 0.3rem;
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--celadon);
}

/* ---------- 两栏骨架 ---------- */
.page-products .biz-layout {
  display: grid;
  gap: clamp(2rem, 5vw, 3rem);
  padding-top: var(--biz-gap);
}

.page-products .biz-rail {
  border-top: 2px solid var(--cinnabar);
  padding-top: 0.9rem;
}

.page-products .biz-rail__title {
  margin: 0 0 0.75rem;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--celadon);
}

.page-products .biz-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .biz-rail__link {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.92rem;
  color: var(--ink-soft);
  text-decoration: none;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-products .biz-rail__link .mono {
  font-size: 0.78rem;
  color: var(--cinnabar);
}

.page-products .biz-rail__link:hover,
.page-products .biz-rail__link:focus-visible {
  color: var(--cinnabar);
  border-color: var(--gold);
}

.page-products .biz-rail__note {
  margin: 0.9rem 0 0;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--celadon);
}

/* ---------- 内容块 ---------- */
.page-products .biz-block {
  padding-bottom: var(--biz-gap);
}

.page-products .biz-block + .biz-block {
  padding-top: var(--biz-gap);
  border-top: 1px solid var(--line);
}

.page-products .biz-block:last-child {
  padding-bottom: 0;
}

.page-products .biz-block__head {
  max-width: 62ch;
}

.page-products .biz-block__head .display-2 {
  margin: 0.7rem 0 0;
}

.page-products .biz-block__lede {
  margin: 0.9rem 0 0;
  color: var(--ink-soft);
}

.page-products .biz-figure {
  margin: clamp(1.5rem, 4vw, 2.25rem) 0 0;
}

.page-products .biz-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  object-fit: cover;
}

.page-products .biz-figure--map img {
  background: var(--indigo-pale);
}

/* ---------- 产品线 ---------- */
.page-products .biz-lines {
  display: grid;
  gap: clamp(1rem, 3vw, 1.5rem);
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
}

.page-products .biz-line {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.page-products .biz-line .img-frame {
  aspect-ratio: 3 / 2;
  overflow: hidden;
}

.page-products .biz-line .img-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .biz-line__lead {
  aspect-ratio: 3 / 2;
  display: flex;
  align-items: flex-end;
  padding: 1.25rem;
  background:
    repeating-linear-gradient(
      135deg,
      rgba(201, 162, 75, 0.18) 0,
      rgba(201, 162, 75, 0.18) 1px,
      transparent 1px,
      transparent 12px
    ),
    var(--indigo-pale);
  border-bottom: 1px solid var(--line);
}

.page-products .biz-line__leadnum {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--indigo);
}

.page-products .biz-line__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 1.15rem 1.25rem 1.4rem;
}

.page-products .biz-line__body .display-3 {
  margin: 0.65rem 0 0.6rem;
  font-size: clamp(1.15rem, 2.4vw, 1.35rem);
  line-height: 1.4;
}

.page-products .biz-line__body p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-products .biz-line__meta {
  list-style: none;
  margin: auto 0 0;
  padding: 1rem 0 0;
  border-top: 1px dashed var(--line-strong);
  display: grid;
  gap: 0.4rem;
  font-size: 0.83rem;
  color: var(--celadon);
}

.page-products .biz-line__meta li {
  position: relative;
  padding-left: 0.95rem;
}

.page-products .biz-line__meta li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  background: var(--gold);
  transform: rotate(45deg);
}

/* ---------- 三步选型 ---------- */
.page-products .biz-steps {
  list-style: none;
  margin: clamp(1.5rem, 4vw, 2.25rem) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .biz-step {
  position: relative;
  background: var(--paper);
  padding: clamp(1.25rem, 3.5vw, 2rem);
}

.page-products .biz-step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3.25rem;
  height: 2px;
  background: var(--cinnabar);
}

.page-products .biz-step__num {
  display: block;
  font-size: 1.9rem;
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-products .biz-step .display-3 {
  margin: 0.85rem 0 0.6rem;
  font-size: clamp(1.1rem, 2.4vw, 1.3rem);
}

.page-products .biz-step p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-products .biz-step__need {
  margin-top: 1.1rem !important;
  padding: 0.65rem 0.8rem;
  background: var(--gold-pale);
  border-left: 2px solid var(--gold);
  font-size: 0.83rem !important;
  color: var(--ink) !important;
}

/* ---------- 价格表 ---------- */
.page-products .biz-table-wrap {
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--paper);
  -webkit-overflow-scrolling: touch;
}

.page-products .biz-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
}

.page-products .biz-table__caption {
  padding: 0.9rem 1rem;
  text-align: left;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--celadon);
}

.page-products .biz-table th,
.page-products .biz-table td {
  padding: 0.85rem 1rem;
  text-align: left;
  vertical-align: top;
  font-size: 0.9rem;
  line-height: 1.6;
  border-top: 1px solid var(--line);
}

.page-products .biz-table thead th {
  background: var(--indigo);
  color: var(--rice);
  font-weight: 500;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.page-products .biz-table tbody tr:nth-child(even) td,
.page-products .biz-table tbody tr:nth-child(even) th {
  background: rgba(232, 215, 168, 0.26);
}

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

.page-products .biz-table tbody td.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
  color: var(--cinnabar-deep);
  white-space: nowrap;
}

.page-products .biz-tierkey {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  margin-right: 0.35rem;
  background: var(--cinnabar);
  color: var(--paper);
  font-size: 0.78rem;
  border-radius: 50%;
  vertical-align: middle;
}

/* ---------- 档位卡片 ---------- */
.page-products .biz-tier-cards {
  display: grid;
  gap: 1rem;
  margin-top: 1.25rem;
}

.page-products .biz-tier {
  position: relative;
  padding: 1.2rem 1.15rem 1.4rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 4px solid var(--tier-a);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  scroll-margin-top: 6rem;
  transition: transform 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-products .biz-tier:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lift);
}

.page-products .biz-tier--a { border-top-color: var(--tier-a); }
.page-products .biz-tier--b { border-top-color: var(--tier-b); }
.page-products .biz-tier--c { border-top-color: var(--tier-c); }
.page-products .biz-tier--d { border-top-color: var(--tier-d); }

.page-products .biz-tier__code {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--celadon);
}

.page-products .biz-tier__name {
  margin: 0.5rem 0 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--ink);
}

.page-products .biz-tier__price {
  margin: 0.55rem 0 0;
  font-size: clamp(1.4rem, 3.4vw, 1.65rem);
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--cinnabar);
}

.page-products .biz-tier__price span {
  margin-left: 0.25rem;
  font-family: var(--font-body);
  font-size: 0.76rem;
  color: var(--celadon);
}

.page-products .biz-tier__desc {
  margin: 0.85rem 0 0;
  padding-top: 0.85rem;
  border-top: 1px dashed var(--line-strong);
  font-size: 0.87rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* ---------- 城市清单 ---------- */
.page-products .biz-city-list {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-products .biz-city-item {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-products .biz-city {
  border: 0;
}

.page-products .biz-city .fold__summary {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.95rem 1.1rem;
  cursor: pointer;
  list-style: none;
}

.page-products .biz-city .fold__summary::-webkit-details-marker {
  display: none;
}

.page-products .biz-city__code {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.85rem;
  height: 1.85rem;
  background: var(--indigo-pale);
  color: var(--indigo);
  font-size: 0.8rem;
  border-radius: 50%;
}

.page-products .biz-city__name {
  flex: 1;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--ink);
}

.page-products .biz-city__count {
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--cinnabar);
  white-space: nowrap;
}

.page-products .biz-city .fold__body {
  padding: 0 1.1rem 1.15rem;
  border-top: 1px dashed var(--line-strong);
}

.page-products .biz-city .fold__body p {
  margin: 0.85rem 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-products .biz-city__hint {
  font-size: 0.82rem !important;
  color: var(--celadon) !important;
  letter-spacing: 0.02em;
}

/* ---------- 资质 ---------- */
.page-products .biz-certs {
  display: grid;
  gap: 0.75rem;
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
}

.page-products .biz-cert {
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius);
}

.page-products .biz-cert .fold__summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1.1rem;
  cursor: pointer;
  list-style: none;
}

.page-products .biz-cert .fold__summary::-webkit-details-marker {
  display: none;
}

.page-products .biz-cert__name {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--ink);
}

.page-products .biz-cert__year {
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--celadon);
}

.page-products .biz-cert .fold__body {
  padding: 0 1.1rem 1.15rem;
  border-top: 1px dashed var(--line-strong);
}

.page-products .biz-cert .fold__body p {
  margin: 0.85rem 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-products .biz-cert__fit {
  display: inline-block;
  padding: 0.3rem 0.65rem;
  background: var(--indigo-pale);
  color: var(--indigo) !important;
  font-size: 0.78rem !important;
  letter-spacing: 0.03em;
}

/* ---------- 合作流程 ---------- */
.page-products .biz-process {
  list-style: none;
  margin: clamp(1.5rem, 4vw, 2.25rem) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  counter-reset: bizstep;
}

.page-products .biz-process__item {
  position: relative;
  padding: 0 0 1.75rem 3.25rem;
  border-left: 1px solid var(--line);
  margin-left: 0.85rem;
}

.page-products .biz-process__item:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}

.page-products .biz-process__item::before {
  content: "";
  position: absolute;
  left: -0.42rem;
  top: 0.35rem;
  width: 0.8rem;
  height: 0.8rem;
  background: var(--paper);
  border: 2px solid var(--cinnabar);
  border-radius: 50%;
}

.page-products .biz-process__item:last-child::before {
  background: var(--cinnabar);
  border-color: var(--cinnabar);
  box-shadow: 0 0 0 4px rgba(176, 42, 37, 0.14);
}

.page-products .biz-process__idx {
  margin: 0;
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-products .biz-process__title {
  margin: 0.45rem 0 0.55rem;
  font-family: var(--font-display);
  font-size: clamp(1.08rem, 2.4vw, 1.22rem);
  font-weight: 600;
  color: var(--ink);
}

.page-products .biz-process__body {
  margin: 0;
  max-width: 58ch;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-products .biz-process__time {
  display: inline-block;
  margin: 0.85rem 0 0;
  padding: 0.3rem 0.7rem;
  background: var(--gold-pale);
  border: 1px solid rgba(201, 162, 75, 0.5);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--ink);
}

/* ---------- 供货节奏 ---------- */
.page-products .biz-supply {
  display: grid;
  gap: 1px;
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .biz-supply__col {
  background: var(--paper);
  padding: clamp(1.15rem, 3vw, 1.6rem);
}

.page-products .biz-supply__col .display-3 {
  margin: 0 0 0.6rem;
  font-size: clamp(1.02rem, 2.2vw, 1.15rem);
}

.page-products .biz-supply__col p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-products .biz-supply__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 1.25rem 0 0;
  background: rgba(246, 241, 231, 0.16);
  border: 1px solid var(--indigo);
  background-color: var(--indigo);
}

.page-products .biz-supply__stats > div {
  padding: 1rem 1.1rem;
  background: var(--indigo);
}

.page-products .biz-supply__stats dt {
  margin: 0;
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--indigo-pale);
}

.page-products .biz-supply__stats dd {
  margin: 0.4rem 0 0;
  font-family: var(--font-mono);
  font-size: clamp(1.1rem, 2.6vw, 1.35rem);
  letter-spacing: 0.02em;
  color: var(--rice);
}

/* ---------- 结尾行动区 ---------- */
.page-products .biz-cta {
  margin-top: clamp(2.5rem, 7vw, 5rem);
  background: var(--indigo);
  color: var(--rice);
}

.page-products .biz-cta__inner {
  display: grid;
  gap: 1.75rem;
  padding-block: clamp(2.25rem, 6vw, 3.75rem);
  align-items: center;
}

.page-products .biz-cta__copy .display-2 {
  margin: 0;
  color: var(--rice);
}

.page-products .biz-cta__copy p {
  margin: 1rem 0 0;
  max-width: 56ch;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--indigo-pale);
}

.page-products .biz-cta__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-products .biz-cta .btn--ghost {
  border-color: rgba(246, 241, 231, 0.4);
  color: var(--rice);
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-products .biz-tier-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .biz-supply__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-products .biz-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .biz-supply {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .biz-cta__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
  }
}

@media (min-width: 900px) {
  .page-products .biz-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }
  .page-products .biz-lines {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .biz-process {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 1.25rem;
  }
  .page-products .biz-process__item {
    padding: 1.4rem 0 0;
    margin-left: 0;
    border-left: 0;
    border-top: 1px solid var(--line-strong);
  }
  .page-products .biz-process__item::before {
    left: 0;
    top: -0.4rem;
  }
  .page-products .biz-process__item:last-child {
    padding-bottom: 0;
  }
  .page-products .biz-process__body {
    font-size: 0.87rem;
  }
}

@media (min-width: 1024px) {
  .page-products .biz-layout {
    grid-template-columns: var(--biz-rail-w) minmax(0, 1fr);
    align-items: start;
  }
  .page-products .biz-rail {
    position: sticky;
    top: 6.5rem;
  }
  .page-products .biz-lines {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .biz-supply {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1280px) {
  .page-products .biz-tier-cards {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}