ai {
  --c-main: #3a5fc9;
  --c-bg: #1a1a2e;
  --c-bg2: #244c7c;
  --c-text: #e0e0e0;
  --c-text2: #a0b9f0;
  --c-accent: #ffcc80;
  --c-border: rgba(138,170,229,0.3);
  --c-meter: linear-gradient(90deg, #ff6b6b, #ffcc80, #51cf66);
  display: block;
  font-family: -apple-system, 'Segoe UI', 'Microsoft YaHei', sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--c-text);
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: 12px;
  padding: 12px;
  margin: 8px 0;
  position: relative;
  overflow: hidden;
}

ai::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--c-main), var(--c-accent));
  opacity: 0.7;
}

hd {
  display: block;
  font-size: 13px;
  color: var(--c-text2);
  text-align: center;
  padding: 6px 0 10px;
  border-bottom: 1px solid var(--c-border);
  margin-bottom: 12px;
  letter-spacing: 0.5px;
  position: relative;
}

hd::after {
  content: '▶';
  position: absolute;
  right: 8px;
  color: var(--c-main);
  font-size: 10px;
  opacity: 0.6;
}

article {
  margin-bottom: 16px;
}

article p {
  margin-bottom: 12px;
  text-align: justify;
  text-indent: 2em;
}

details {
  margin-top: 8px;
  border-radius: 8px;
  overflow: hidden;
  transition: all 0.3s ease;
}

details[open] {
  background: rgba(36,76,124,0.15);
}

summary {
  padding: 8px 12px;
  background: rgba(58,95,201,0.1);
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
  color: var(--c-text2);
  display: flex;
  align-items: center;
  user-select: none;
  transition: all 0.2s;
}

summary:hover {
  background: rgba(58,95,201,0.2);
  color: var(--c-text);
}

summary::before {
  content: '▼';
  font-size: 10px;
  margin-right: 8px;
  transition: transform 0.3s;
  opacity: 0.7;
}

details[open] summary::before {
  transform: rotate(90deg);
}

p[t] {
  padding: 8px 10px;
  margin: 6px 0;
  border-radius: 6px;
  position: relative;
}

p[t="核心"] {
  background: linear-gradient(90deg, rgba(58,95,201,0.15), transparent);
  border-left: 3px solid var(--c-main);
}

p[t="林晓月"] {
  background: linear-gradient(90deg, rgba(255,107,107,0.1), transparent);
  border-left: 3px solid #ff6b6b;
}

p[t="行动"] {
  background: linear-gradient(90deg, rgba(255,204,128,0.15), transparent);
  border-left: 3px solid var(--c-accent);
}

f {
  display: inline-block;
  font-weight: 700;
  color: var(--c-main);
  margin-right: 10px;
  font-size: 15px;
  position: relative;
}

f::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--c-main);
  opacity: 0.5;
}

d {
  display: block;
  padding: 4px 0 4px 12px;
  color: var(--c-text2);
  font-size: 13px;
  position: relative;
}

d::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--c-main);
  font-size: 12px;
}

p[t="林晓月"] d::before {
  color: #ff6b6b;
}

p[t="行动"] d::before {
  color: var(--c-accent);
  content: '#';
}

meter {
  width: 120px;
  height: 8px;
  margin: 0 8px;
  vertical-align: middle;
  border-radius: 4px;
  background: rgba(255,255,255,0.1);
}

meter::-webkit-meter-bar {
  background: rgba(255,255,255,0.1);
  border-radius: 4px;
}

meter::-webkit-meter-optimum-value {
  background: var(--c-meter);
  border-radius: 4px;
}

details details {
  margin: 6px 0 6px 12px;
  border-left: 1px dashed var(--c-border);
  padding-left: 8px;
}

details details summary {
  background: rgba(255,255,255,0.05);
  font-size: 13px;
  padding: 6px 10px;
}

details details d {
  padding-left: 20px;
  font-size: 12px;
  opacity: 0.9;
}

details details d::before {
  content: '-';
  left: 8px;
}

@media (max-width: 480px) {
  ai {
    padding: 10px;
    font-size: 13px;
    border-radius: 10px;
  }
  
  hd {
    font-size: 12px;
    padding: 5px 0 8px;
  }
  
  f {
    font-size: 14px;
  }
  
  d {
    font-size: 12px;
  }
  
  meter {
    width: 100px;
  }
}

/* 情绪状态可视化增强 */
p[t="林晓月"] d:first-child::after {
  content: '';
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-left: 8px;
  background: var(--c-meter);
  background-size: 300% 100%;
  background-position: calc((3 - 1) * -50%) 0;
  /* 根据meter值动态调整位置，这里3对应情绪指数3/10 */
}

/* hover交互效果 */
d:hover {
  background: rgba(255,255,255,0.05);
  border-radius: 4px;
  padding-left: 16px;
  margin-left: -4px;
  transition: all 0.2s;
}

p[t="行动"] d:hover {
  background: rgba(255,204,128,0.1);
  color: var(--c-accent);
}

/* 伪元素装饰 */
ai::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 40px; height: 40px;
  background: radial-gradient(circle at top right, var(--c-main), transparent 70%);
  opacity: 0.1;
  z-index: 0;
}

/* 状态变化动画 */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}

details[open] > * {
  animation: fadeIn 0.3s ease-out;
}

/* 记忆碎片特殊样式 */
details details[open] > d:first-child {
  font-weight: 600;
  color: var(--c-accent);
}