*{
  margin:0;
  padding:0;
  box-sizing:border-box;
}
body{
  background: linear-gradient(135deg, #fff5f8 0%, #e8f4ff 100%);
  color:#444444;
  font-family: "ZCOOL KuaiLe", sans-serif;
  min-height:100vh;
}
.wrap{
  display:flex;
  width:100%;
  flex-direction: row;
}
@media (max-width:768px){
  .wrap{
    flex-direction: column;
  }
  .panel{
    width:100% !important;
  }
}
.video-box{
  position:relative;
  flex:1;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:16px;
  padding:20px;
}
/* 这个盒子严格锁定16:9！视频/画布/边框三者完美重合 */
.camera-wrap{
  position:relative;
  width:100%;
  max-width:800px;
  aspect-ratio:16/9;
  overflow:hidden;
}
#video{
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:100%;
  object-fit:cover;
  transform: scaleX(-1);
}
#canvas{
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:100%;
  transform: scaleX(-1);
  pointer-events:none;
}
/* ✅ 边框和摄像头画面1:1完全贴合 */
.frame-box{
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:100%;
  pointer-events:none;
  background-image: url("border.png");
  background-size:100% 100%;
  background-repeat: no-repeat;
  background-position: center;
}
.guide-tip{
  position:absolute;
  z-index:10;
  top:12%;
  left:50%;
  transform: translateX(-50%);
  font-size:22px;
  color:#ffffff;
  background:rgba(0,0,0,0.35);
  padding:10px 24px;
  border-radius:99px;
  opacity:0;
  transition: opacity 0.6s;
  pointer-events:none;
}
.guide-tip.show{
  opacity:1;
}
.btn-group{
  position:relative;
  z-index:10;
  display:flex;
  gap:14px;
}
.btn-group button{
  padding:13px 26px;
  border:none;
  border-radius:99px;
  font-size:16px;
  font-weight:bold;
  cursor:pointer;
  background:#ffb8cc;
  color:#444;
  font-family: "ZCOOL KuaiLe", sans-serif;
  box-shadow: 0 4px 10px rgba(255,160,190,0.3);
  transition:0.2s;
}
.btn-group button:active{
  background:#ff99b8;
  transform: translateY(2px);
}
.panel{
  width:260px;
  padding:24px 18px;
  background:#fff8fa;
  box-shadow: -2px 0 12px rgba(180,180,220,0.15);
}
.panel h4{
  margin-bottom:16px;
  color:#665577;
}
.edit-item{
  margin-bottom:12px;
}
.edit-item span{
  display:block;
  font-size:13px;
  margin-bottom:4px;
  opacity:0.8;
}
.edit-item input{
  width:100%;
  padding:9px 12px;
  border:none;
  border-radius:12px;
  font-size:14px;
  background:#ffffff;
  box-shadow:0 2px 6px #00000012;
  font-family: "ZCOOL KuaiLe", sans-serif;
  color:#444;
}
.state-log{
  margin-top:30px;
  font-size:15px;
  color:#665577;
}