.sn-ai-brief-box {
  border:2px solid #8a2be2;
  border-radius:12px;
  background:#fff;
  margin:20px 0;
  padding:16px;
  box-shadow:0 6px 18px rgba(0,0,0,0.06);
  font-family:system-ui, sans-serif;
}
.sn-ai-brief-box .brief-header {
  margin-bottom:12px;
}
.sn-ai-brief-box .brief-header-text {
  display:flex;align-items:center;gap:8px;
}
.sn-ai-brief-box .brief-icon {font-size:20px;line-height:1;}
.sn-ai-brief-box .brief-title {margin:0;font-size:18px;font-weight:700;}
.sn-ai-brief-box .brief-subtitle {margin:4px 0 0 28px;font-size:13px;color:#666;}
.sn-ai-brief-box .brief-list {list-style:none;margin:0;padding:0;}
.sn-ai-brief-box .brief-list li {
  position:relative;
  padding-left:20px;
  margin:8px 0;
  font-size:15px;
}
.sn-ai-brief-box .brief-list li::before {
  content:'';position:absolute;left:0;top:.6em;
  width:8px;height:8px;border-radius:50%;
  background:#8a2be2;
}
.sn-ai-brief-box .brief-footer {
  margin-top:14px;
  display:flex;justify-content:space-between;align-items:center;
  border-top:1px dashed #eee;
  padding-top:10px;
  font-size:13px;
}
.sn-ai-brief-box .brief-link {
  color:#5d3fd3;font-weight:600;text-decoration:none;
}
.sn-ai-brief-box .brief-link:hover {text-decoration:underline;}
@media(max-width:600px){
  .sn-ai-brief-box{margin:14px 8px;padding:12px;}
  .sn-ai-brief-box .brief-title{font-size:16px;}
  .sn-ai-brief-box .brief-list li{font-size:14px;}
}

.brief-title::after,
.brief-list li::after {
  content: '|';
  margin-left:2px;
  animation: blink 1s infinite;
  color:#8a2be2;
}
@keyframes blink { 0%,50%{opacity:1} 51%,100%{opacity:0} }