.page-products {
  --card-radius: 28px;
  --section-pad: clamp(4.5rem, 12vw, 8rem);
  overflow: clip;
  background: var(--porcelain);
}

/* ========== Hero ========== */
.products-hero {
  position: relative;
  padding: calc(var(--header-h) + 3.5rem) 0 3rem;
  background-color: var(--porcelain);
  background-image:
    linear-gradient(to right, rgba(14, 30, 28, 0.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(14, 30, 28, 0.055) 1px, transparent 1px);
  background-size: 48px 48px;
}

.products-hero::before {
  content: "";
  position: absolute;
  top: 24%;
  right: -6rem;
  width: 240px;
  height: 240px;
  border: 1px solid rgba(14, 30, 28, 0.07);
  border-radius: 50%;
  pointer-events: none;
}

.products-hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 42%;
  height: 8px;
  background: var(--kiwi);
  border-radius: 8px 0 0 8px;
}

.products-breadcrumb {
  margin-bottom: 2.5rem;
}

.hero-kicker {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--warm);
  margin-bottom: 1rem;
}

.products-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 7vw, 5.25rem);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: 0.01em;
  color: var(--ink);
  margin: 0 0 0.75rem;
  text-transform: uppercase;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2.4vw, 1.5rem);
  font-weight: 700;
  color: var(--teal);
  margin-bottom: 1.25rem;
}

.hero-desc {
  max-width: 36em;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--ink);
  opacity: 0.74;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-index {
  margin-top: 2.5rem;
  display: grid;
  gap: 0.75rem;
}

.hero-index-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(14, 30, 28, 0.08);
  border-radius: var(--radius-m);
  text-decoration: none;
  color: var(--ink);
  box-shadow: 0 10px 30px rgba(14, 30, 28, 0.05);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}

.hero-index-card:hover,
.hero-index-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--kiwi);
}

.hero-index-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--kiwi);
  font-weight: 700;
}

.hero-index-name {
  font-weight: 700;
  flex: 1;
}

.hero-index-arrow {
  font-family: var(--font-mono);
  color: var(--orange);
  font-size: 1.1rem;
}

/* ========== 方案目录 ========== */
.scheme-catalog {
  position: relative;
  padding: var(--section-pad) 0;
}

.catalog-head {
  margin-bottom: 2.5rem;
}

.catalog-kicker {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.catalog-kicker .section-index {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--kiwi);
  font-weight: 700;
}

.catalog-kicker .section-en {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--warm);
  text-transform: uppercase;
}

.catalog-head h2 {
  font-size: clamp(1.875rem, 3.6vw, 2.75rem);
  font-weight: 900;
  color: var(--ink);
  line-height: 1.1;
  margin-bottom: 0.75rem;
}

.catalog-lead {
  max-width: 40em;
  color: var(--ink);
  opacity: 0.7;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.catalog-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.catalog-tabs a {
  text-decoration: none;
}

.catalog-lines {
  display: none;
}

.scheme-grid {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 1.25rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 1rem;
  margin-inline: -0.75rem;
  padding-inline: 0.75rem;
}

.scheme-card {
  flex: 0 0 min(85%, 340px);
  scroll-snap-align: start;
  background: #fff;
  border-radius: var(--card-radius);
  padding: 1.5rem;
  border: 1px solid rgba(14, 30, 28, 0.06);
  box-shadow: 0 18px 44px rgba(14, 30, 28, 0.04);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.scheme-card:hover,
.scheme-card:focus-within {
  transform: translateY(-4px);
  box-shadow: 0 24px 60px rgba(14, 30, 28, 0.09);
}

.scheme-card--watch {
  border-top: 5px solid var(--kiwi);
}

.scheme-card--data {
  border-top: 5px solid var(--orange);
}

.scheme-card--view {
  border-top: 5px solid var(--wine);
}

.scheme-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.scheme-code {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--warm);
}

.scheme-card h3 {
  font-size: 1.375rem;
  font-weight: 900;
  color: var(--ink);
  margin-bottom: 0.5rem;
}

.scheme-desc {
  font-size: 0.925rem;
  color: var(--ink);
  opacity: 0.72;
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.scheme-list {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
}

.scheme-list li {
  position: relative;
  padding-left: 1.375rem;
  margin-bottom: 0.55rem;
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--ink);
  opacity: 0.82;
}

.scheme-list li::before {
  content: "";
  position: absolute;
  left: 0.15rem;
  top: 0.55em;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--kiwi);
}

.scheme-card--data .scheme-list li::before {
  background: var(--orange);
}

.scheme-card--view .scheme-list li::before {
  background: var(--wine);
}

.scheme-foot {
  margin-top: auto;
  border-top: 1px solid rgba(14, 30, 28, 0.07);
  padding-top: 1rem;
}

.scheme-link {
  text-decoration: none;
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--teal);
}

.scheme-link span {
  color: var(--orange);
  margin-left: 0.25rem;
}

/* ========== 通用分区 ========== */
.products-section {
  padding: var(--section-pad) 0;
}

.section-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.section-meta .section-index {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--kiwi);
}

.data-section .section-meta .section-index {
  color: var(--teal);
}

.section-en {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.65;
}

.products-section h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  line-height: 1.05;
  margin: 0 0 1rem;
}

.products-section .section-lead {
  max-width: 40em;
  line-height: 1.7;
  margin-bottom: 2rem;
  opacity: 0.78;
}

.products-section--teal {
  background-color: var(--teal);
  color: var(--porcelain);
}

.products-section--teal .section-lead {
  color: rgba(247, 244, 233, 0.78);
}

.products-section--wine {
  background-color: var(--wine);
  color: var(--porcelain);
}

.products-section--dark {
  background-color: var(--deep);
  color: var(--porcelain);
}

.products-section--teal .ghost-btn,
.products-section--wine .ghost-btn,
.products-section--dark .ghost-btn {
  border-color: rgba(247, 244, 233, 0.55);
  color: var(--porcelain);
}

.products-section--teal .ghost-btn:hover,
.products-section--wine .ghost-btn:hover,
.products-section--dark .ghost-btn:hover {
  background: rgba(247, 244, 233, 0.1);
}

/* ========== 观赛工作流 ========== */
.workflow-layout {
  display: grid;
  gap: 2.5rem;
}

.workflow-steps {
  display: grid;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.step-item {
  display: flex;
  gap: 1rem;
}

.step-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--kiwi);
  background: rgba(140, 198, 63, 0.12);
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.step-body h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin: 0 0 0.35rem;
  color: var(--porcelain);
}

.step-body p {
  font-size: 0.9rem;
  line-height: 1.6;
  margin: 0;
  color: rgba(247, 244, 233, 0.72);
}

.workflow-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.phone-shell {
  position: relative;
  width: min(240px, 70%);
  background: var(--ink);
  border: 10px solid var(--ink);
  border-radius: 38px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.28);
}

.phone-notch {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 72px;
  height: 20px;
  background: var(--ink);
  border-radius: 0 0 14px 14px;
  z-index: 2;
}

.phone-frame {
  border-radius: 28px;
  overflow: hidden;
}

.phone-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 1;
}

.visual-note {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
}

.visual-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--kiwi);
  display: inline-block;
  flex-shrink: 0;
}

.workflow-visual .visual-note {
  color: rgba(247, 244, 233, 0.7);
}

.data-visual .visual-note {
  color: var(--warm);
}

.access-visual .visual-note {
  color: rgba(247, 244, 233, 0.6);
}

.data-visual .visual-dot,
.access-visual .visual-dot {
  background: var(--orange);
}

/* ========== 数据服务 ========== */
.data-layout {
  display: grid;
  gap: 2.5rem;
}

.data-metrics {
  border: 1px solid rgba(14, 30, 28, 0.09);
  border-radius: var(--radius-m);
  background: #fff;
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.metric-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.65rem 0;
  border-bottom: 1px dashed rgba(14, 30, 28, 0.09);
}

.metric-row:last-child {
  border-bottom: none;
}

.metric-label {
  font-size: 0.85rem;
  color: var(--warm);
}

.metric-value {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ink);
  text-align: right;
}

.data-list {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
}

.data-list li {
  position: relative;
  padding-left: 1.375rem;
  margin-bottom: 0.6rem;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--ink);
  opacity: 0.78;
}

.data-list li::before {
  content: "·";
  position: absolute;
  left: 0;
  font-family: var(--font-mono);
  color: var(--kiwi);
  font-weight: 700;
  font-size: 1.25rem;
}

.data-visual {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.data-frame {
  border-radius: var(--radius-l);
  overflow: hidden;
  background: var(--mist);
}

.data-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 5 / 4;
}

/* ========== 索引时间表 ========== */
.index-timeline {
  margin-top: 3.5rem;
  background: var(--ink);
  border-radius: var(--radius-l);
  padding: 1.75rem;
  color: var(--porcelain);
}

.timeline-head {
  display: grid;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.timeline-title h3 {
  font-size: 1.375rem;
  font-weight: 800;
  margin: 0 0 0.4rem;
}

.timeline-title p {
  margin: 0;
  font-size: 0.85rem;
  color: rgba(247, 244, 233, 0.65);
}

.timeline-media {
  border-radius: var(--radius-m);
  overflow: hidden;
}

.timeline-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.timeline-track {
  display: flex;
  align-items: flex-start;
  gap: 0;
}

.timeline-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 5.5rem;
  gap: 0.5rem;
}

.node-dot {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  background: rgba(247, 244, 233, 0.3);
}

.node-dot--active {
  background: var(--kiwi);
  box-shadow: 0 0 0 4px rgba(140, 198, 63, 0.18);
}

.node-dot--accent {
  background: var(--orange);
}

.node-label {
  font-size: 0.7rem;
  text-align: center;
  color: rgba(247, 244, 233, 0.68);
  line-height: 1.2;
}

.timeline-line {
  flex: 1;
  height: 2px;
  background: rgba(247, 244, 233, 0.22);
  transform: translateY(0.375rem);
  min-width: 1.5rem;
}

/* ========== 观点与拆解 ========== */
.viewpoint-section .section-lead {
  color: rgba(247, 244, 233, 0.76);
}

.viewpoint-head {
  margin-bottom: 2rem;
}

.viewpoint-grid {
  display: grid;
  gap: 1rem;
  margin-bottom: 2rem;
}

.viewpoint-card {
  background: rgba(247, 244, 233, 0.08);
  border: 1px solid rgba(247, 244, 233, 0.12);
  border-radius: var(--radius-m);
  padding: 1.5rem;
  transition: background 0.3s var(--ease), transform 0.3s var(--ease);
}

.viewpoint-card:hover {
  background: rgba(247, 244, 233, 0.13);
  transform: translateY(-3px);
}

.vp-code {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--kiwi);
  display: block;
  margin-bottom: 0.75rem;
}

.viewpoint-card h3 {
  font-size: 1.125rem;
  font-weight: 800;
  margin: 0 0 0.5rem;
  color: var(--porcelain);
}

.viewpoint-card p {
  font-size: 0.875rem;
  line-height: 1.6;
  margin: 0;
  color: rgba(247, 244, 233, 0.7);
}

.viewpoint-bottom {
  display: grid;
  gap: 1.5rem;
  align-items: center;
}

.viewpoint-media {
  border-radius: var(--radius-l);
  overflow: hidden;
}

.viewpoint-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.viewpoint-notes h3 {
  font-size: 1.25rem;
  font-weight: 800;
  margin: 0 0 0.75rem;
  color: var(--porcelain);
}

.viewpoint-notes p {
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 1.25rem;
  color: rgba(247, 244, 233, 0.78);
}

.award-badge {
  display: inline-block;
  background: var(--gold);
  color: var(--ink);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  margin-bottom: 0.75rem;
}

/* ========== 接入方式 ========== */
.access-section .section-lead {
  color: rgba(247, 244, 233, 0.75);
}

.access-layout {
  display: grid;
  gap: 2.5rem;
}

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

.access-item {
  display: flex;
  gap: 1rem;
}

.access-icon {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--deep);
  background: var(--kiwi);
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.access-item h3 {
  font-size: 1rem;
  font-weight: 800;
  margin: 0 0 0.3rem;
  color: var(--porcelain);
}

.access-item p {
  font-size: 0.875rem;
  line-height: 1.6;
  margin: 0;
  color: rgba(247, 244, 233, 0.65);
}

.access-visual {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.access-frame {
  border-radius: var(--radius-l);
  overflow: hidden;
}

.access-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

/* ========== 平板增强 ========== */
@media (min-width: 768px) {
  .scheme-catalog {
    padding-bottom: 5rem;
  }

  .catalog-lines {
    display: block;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translate(-50%, -65%);
    width: 92%;
    height: 120px;
    z-index: 0;
    pointer-events: none;
  }

  .catalog-lines path {
    fill: none;
    stroke-width: 2;
    stroke-dasharray: 7 10;
  }

  .catalog-lines path:first-child {
    stroke: var(--kiwi);
    opacity: 0.55;
  }

  .catalog-lines path:last-child {
    stroke: var(--orange);
    stroke-width: 1;
    opacity: 0.4;
  }

  .scheme-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    overflow: visible;
    gap: 1.5rem;
    margin: 0;
    padding: 0;
    scroll-snap-type: unset;
  }

  .scheme-card {
    flex: 1;
    min-width: 0;
  }

  .data-layout {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 3rem;
  }

  .workflow-layout {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 3.5rem;
  }

  .viewpoint-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }

  .viewpoint-bottom {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }

  .access-layout {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: center;
    gap: 3rem;
  }

  .timeline-head {
    grid-template-columns: 1fr 180px;
    align-items: center;
    gap: 2rem;
  }
}

/* ========== 桌面增强 ========== */
@media (min-width: 1024px) {
  .hero-layout {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3.5rem;
    align-items: end;
  }

  .hero-index {
    margin-top: 0;
    padding-bottom: 0.5rem;
  }

  .catalog-head {
    display: grid;
    grid-template-columns: auto 1fr;
    column-gap: 1.5rem;
    align-items: end;
  }

  .catalog-kicker {
    grid-row: span 2;
    margin-bottom: 0;
  }

  .catalog-head h2 {
    margin-bottom: 0.35rem;
  }

  .catalog-lead {
    grid-column: 2;
    margin-bottom: 0;
  }

  .scheme-grid {
    gap: 2rem;
  }

  .workflow-layout,
  .data-layout,
  .access-layout {
    gap: 4.5rem;
  }
}