/* Solution subpage styles */
.solution-page .header {
  background: var(--header-scrolled);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
}

.sol-hero {
  position: relative;
  padding: 140px 0 80px;
  overflow: hidden;
  background: var(--bg);
}

.sol-hero-bg {
  position: absolute;
  inset: 0;
}

.sol-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sol-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(5, 15, 26, 0.92) 0%, rgba(5, 15, 26, 0.75) 50%, rgba(0, 107, 221, 0.25) 100%);
}

html.theme-light .sol-hero-overlay {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.92) 0%, rgba(255, 255, 255, 0.8) 50%, rgba(0, 107, 221, 0.12) 100%);
}

.sol-hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.sol-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.sol-breadcrumb a:hover { color: var(--cyan); }

.sol-hero h1 {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 700;
  font-family: var(--font-display);
  line-height: 1.25;
  margin-bottom: 20px;
}

.sol-hero-lead {
  font-size: 1.0625rem;
  color: var(--text-subtle);
  line-height: 1.8;
  margin-bottom: 32px;
}

.sol-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* Pain vs Advantage */
.pain-advantage {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .pain-advantage { grid-template-columns: 1fr 1fr; }
}

.pa-card {
  padding: 32px;
  border-radius: var(--radius);
  border: 1px solid var(--glass-border);
  background: var(--bg-card);
}

.pa-card h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.pa-card.pain h3 { color: #f87171; }
.pa-card.advantage h3 { color: var(--cyan); }

.pa-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.pa-list li {
  display: flex;
  gap: 12px;
  font-size: 0.9375rem;
  color: var(--text-subtle);
  line-height: 1.6;
}

.pa-list li::before {
  content: "";
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  margin-top: 9px;
  border-radius: 50%;
}

.pa-card.pain .pa-list li::before { background: #f87171; }
.pa-card.advantage .pa-list li::before { background: var(--cyan); }

/* Compare table */
.compare-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--glass-border);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.compare-table th,
.compare-table td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid var(--glass-border);
}

.compare-table th {
  background: var(--cyan-dim);
  color: var(--cyan);
  font-weight: 600;
}

.compare-table tr:last-child td { border-bottom: none; }

.compare-table .highlight {
  color: var(--cyan);
  font-weight: 600;
}

/* Solution feature grid */
.sol-feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .sol-feature-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .sol-feature-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
}

.sol-feature {
  padding: 28px;
}

.sol-feature-num {
  font-size: 2rem;
  font-weight: 700;
  color: var(--cyan);
  opacity: 0.3;
  line-height: 1;
  margin-bottom: 12px;
}

.sol-feature h4 {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.sol-feature p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* Scenario cards */
.scenario-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 768px) {
  .scenario-grid { grid-template-columns: repeat(3, 1fr); }
}

.scenario-card {
  overflow: hidden;
}

.scenario-card img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
}

.scenario-card-body {
  padding: 20px;
}

.scenario-card-body h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.scenario-card-body p {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* Deploy cards */
.deploy-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 768px) {
  .deploy-grid { grid-template-columns: repeat(2, 1fr); }
}

.deploy-option {
  padding: 32px;
  position: relative;
}

.deploy-option .tag {
  display: inline-block;
  padding: 4px 12px;
  margin-bottom: 16px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid var(--cyan-border);
  border-radius: 999px;
}

.deploy-option h4 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.deploy-option p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.65;
}

.deploy-option ul {
  margin-top: 16px;
  padding-left: 0;
  list-style: none;
}

.deploy-option li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 8px;
  font-size: 0.8125rem;
  color: var(--text-subtle);
}

.deploy-option li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-weight: 700;
}

/* Workflow timeline */
.workflow-timeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: 24px 16px;
}

@media (min-width: 768px) {
  .workflow-timeline {
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    padding: 32px 20px;
  }

  .workflow-timeline.cols-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

.wf-step {
  position: relative;
  padding: 0 8px 16px;
  text-align: center;
}

.wf-step-shot {
  width: 100%;
  aspect-ratio: 16 / 10;
  margin-bottom: 14px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--glass-border);
  background: var(--cyan-dim);
}

.wf-step-shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}

/* 图片未放入时显示占位提示 */
.wf-step-shot:has(img[src$=".png"]:not([complete])) {
  background: linear-gradient(135deg, var(--cyan-dim), transparent);
}

.wf-step-num {
  width: 40px;
  height: 40px;
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 700;
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 2px solid var(--cyan-border);
  border-radius: 50%;
}

.wf-step h4 {
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.4;
}

.wf-step p {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* Showcase image */
.sol-showcase {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

@media (min-width: 768px) {
  .sol-showcase { grid-template-columns: 1fr 1fr; }
}

.sol-showcase img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--glass-border);
}

.sol-showcase-visual {
  position: relative;
  width: 100%;
}

.sol-showcase-visual img {
  display: block;
}

.defect-anno {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 2;
}

.defect-anno-right {
  flex-direction: row-reverse;
}

.defect-anno-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cyan);
  border: 2px solid #fff;
  box-shadow: 0 0 0 2px var(--cyan-border), 0 0 12px rgba(0, 107, 221, 0.6);
  flex-shrink: 0;
}

.defect-anno-label {
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
  background: rgba(0, 107, 221, 0.88);
  border: 1px solid var(--cyan-border);
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(4px);
}

@media (max-width: 640px) {
  .defect-anno-label {
    font-size: 0.6875rem;
    padding: 3px 8px;
  }
}

.sol-showcase-text h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.sol-showcase-text p {
  font-size: 0.9375rem;
  color: var(--text-subtle);
  margin-bottom: 12px;
  line-height: 1.75;
}

.sol-showcase-text ul {
  margin-top: 16px;
  list-style: none;
}

.sol-showcase-text li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 10px;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.sol-showcase-text li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--cyan);
}

/* Power grid pillars */
.grid-pillars {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .grid-pillars { grid-template-columns: repeat(3, 1fr); }
}

.grid-pillar {
  padding: 28px;
  border-top: 3px solid var(--cyan);
}

.grid-pillar h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--cyan);
}

.grid-pillar .pillar-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.6;
}

.pillar-scenes {
  list-style: none;
}

.pillar-scenes li {
  padding: 12px 0;
  border-top: 1px solid var(--glass-border);
  font-size: 0.875rem;
}

.pillar-scenes li strong {
  display: block;
  font-size: 0.9375rem;
  margin-bottom: 4px;
}

.pillar-scenes li span {
  color: var(--text-muted);
  font-size: 0.8125rem;
  line-height: 1.55;
}

/* Power grid pillars */