/* 剑谱时间轴 */

.path-timeline {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  padding-left: 46px;
}

.path-timeline::before {
  content: '';
  position: absolute;
  left: 13px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--accent-indigo-light), transparent);
  opacity: 0.6;
}

.path-item {
  position: relative;
  margin-bottom: 48px;
  padding: 24px 26px;
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  transition: transform 0.3s var(--ease-silk), border-color 0.3s;
}

.path-item:hover {
  transform: translateX(6px);
  border-color: var(--glass-border-hover);
}

.path-item::before {
  content: '';
  position: absolute;
  left: -38px;
  top: 30px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent-indigo-light);
  box-shadow: 0 0 8px var(--accent-indigo-light);
  animation: pulse-dot 2.2s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.25); opacity: 0.7; }
}

.path-year {
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--accent-cinnabar-light);
  margin-bottom: 8px;
}

.path-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-paper);
  margin-bottom: 10px;
  letter-spacing: 0.05em;
}

.path-desc {
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--text-muted);
}

@media (max-width: 640px) {
  .path-timeline {
    padding-left: 36px;
  }
  .path-item::before {
    left: -29px;
  }
}

/* 悬浮卷轴进度条 */
.scroll-ink {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-cinnabar), var(--accent-gold));
  z-index: 101;
  box-shadow: 0 0 8px var(--accent-cinnabar);
  transition: width 0.1s linear;
}