/* solutions/sol-common.css — 方案详情页补充样式 */

/* 小字排版统一覆盖 */
.sol-page-badge,
.section-badge,
.sol-num,
.sol-tag,
.layer-num,
.metric-label,
.flow-sub,
.step-desc,
.feature-desc,
.scenario-text,
.arch-diagram {
  font-family: 'Space Grotesk', sans-serif;
}
.sol-page-badge,
.section-badge,
.sol-num {
  font-family: 'Syne', sans-serif;
  letter-spacing: 0.12em;
}
.sol-title-en, .flow-label, .metric-label { font-family: 'Syne', sans-serif; }
.sol-tag { font-family: 'JetBrains Mono', monospace; font-size: 10px; }

/* Sub-page navbar — 与主页保持一致的悬浮风格 */
.navbar .nav-logo img { height: 72px !important; }
.navbar.scrolled .nav-logo img { height: 60px !important; }

.sol-page-hero {
  min-height: 55vh;
  display: flex;
  align-items: flex-end;
  padding-bottom: 80px;
  padding-top: 140px;  /* 为悬浮导航留出空间 */
  position: relative;
  overflow: hidden;
}
.sol-page-hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 120px;
  background: linear-gradient(to bottom, transparent, var(--ink-deep));
  pointer-events: none;
}

.sol-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
  font-size: 13px;
  color: var(--text-muted);
}
.sol-breadcrumb a { color: var(--text-muted); text-decoration: none; transition: color 0.2s; }
.sol-breadcrumb a:hover { color: var(--gold); }
.sol-breadcrumb .sep { opacity: 0.4; }

.sol-page-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--glass-bg3);
  border: 1px solid rgba(201,169,110,0.3);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.sol-page-title {
  font-family: 'Noto Serif SC', serif;
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}
.sol-page-title .gold { color: var(--gold); }

.sol-page-desc {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 620px;
  line-height: 1.7;
  margin-bottom: 40px;
}

/* Feature blocks */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 60px;
}
.feature-block {
  padding: 32px 28px;
  border-radius: var(--radius);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border2);
  backdrop-filter: var(--glass-blur);
  transition: all 0.4s var(--spring-soft);
}
.feature-block:hover {
  border-color: rgba(201,169,110,0.3);
  background: var(--glass-bg3);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.feature-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: var(--glass-bg3);
  border: 1px solid rgba(201,169,110,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
  transition: all 0.35s var(--spring-soft);
}
.feature-block:hover .feature-icon {
  transform: scale(1.1) rotate(6deg);
  border-color: rgba(201,169,110,0.5);
}
.feature-title { font-size: 18px; font-weight: 700; margin-bottom: 10px; color: var(--text-primary); }
.feature-desc { font-size: 14px; color: var(--text-secondary); line-height: 1.65; }

/* Flow diagram */
.flow-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin: 60px 0;
  overflow-x: auto;
  padding-bottom: 16px;
}
.flow-step {
  flex: 1;
  min-width: 160px;
  text-align: center;
  position: relative;
  padding: 0 16px;
}
.flow-step + .flow-step::before {
  content: '→';
  position: absolute;
  left: -12px;
  top: 28px;
  color: var(--gold);
  font-size: 18px;
  opacity: 0.5;
}
.flow-dot {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--glass-bg3);
  border: 1px solid rgba(201,169,110,0.3);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  margin: 0 auto 14px;
  transition: all 0.35s var(--spring-soft);
}
.flow-step:hover .flow-dot {
  background: rgba(201,169,110,0.15);
  border-color: rgba(201,169,110,0.5);
  transform: scale(1.1);
}
.flow-label { font-size: 13px; font-weight: 600; color: var(--text-primary); margin-bottom: 6px; }
.flow-sub { font-size: 12px; color: var(--text-muted); line-height: 1.4; }

/* Value metrics */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 60px 0;
}
.metric-card {
  padding: 28px 24px;
  text-align: center;
  border-radius: var(--radius);
  background: var(--glass-bg3);
  border: 1px solid rgba(201,169,110,0.2);
  transition: all 0.35s var(--spring-soft);
}
.metric-card:hover {
  border-color: rgba(201,169,110,0.45);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}
.metric-val {
  font-size: 36px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  line-height: 1;
  margin-bottom: 10px;
}
.metric-label { font-size: 13px; color: var(--text-secondary); }

/* Architecture diagram (text) */
.arch-diagram {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border2);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  margin: 60px 0;
  position: relative;
  overflow: hidden;
}
.arch-diagram::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(to right, transparent, var(--gold), transparent);
}

/* Scenario use-cases */
.scenarios {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 40px;
}
.scenario-item {
  padding: 20px 16px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border2);
  border-radius: var(--radius);
  display: flex; gap: 12px; align-items: flex-start;
  transition: all 0.3s var(--spring-soft);
}
.scenario-item:hover {
  border-color: rgba(201,169,110,0.3);
  background: var(--glass-bg3);
  transform: translateX(4px);
}
.scenario-icon { font-size: 20px; flex-shrink: 0; }
.scenario-text { font-size: 13px; color: var(--text-secondary); line-height: 1.5; }
.scenario-text strong { display: block; color: var(--text-primary); margin-bottom: 4px; font-size: 14px; }

/* Back nav */
.back-nav {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  padding: 8px 0;
  transition: all 0.25s var(--spring-soft);
  margin-bottom: 32px;
}
.back-nav:hover { color: var(--gold); gap: 12px; }
.back-nav svg { transition: transform 0.3s var(--spring); }
.back-nav:hover svg { transform: translateX(-4px); }

@media (max-width: 768px) {
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-steps { flex-direction: column; }
  .flow-step + .flow-step::before { content: '↓'; left: 50%; top: -16px; transform: translateX(-50%); }
}
@media (max-width: 480px) {
  .metrics-grid { grid-template-columns: 1fr 1fr; }
}