.wcvin-box{border:1px solid #ddd;padding:16px;border-radius:8px;background:#fff;max-width:640px}
.wcvin-box input{padding:8px;width:260px;max-width:100%;border:1px solid #ccc;border-radius:4px}
.wcvin-box button{padding:8px 12px;margin-left:8px;border:0;border-radius:4px;background:#2c7be5;color:#fff;cursor:pointer}
.wcvin-box button:hover{background:#1b5bb8}
.err{color:#b00020;margin-top:10px}
.loading{color:#555;margin-top:10px}
.result{margin-top:12px;padding:12px;border-radius:6px}
.result.ok{background:#e9f8ee;border:1px solid #9ad7ab}
.result.no{background:#fff4e5;border:1px solid #f0c36d}
.result h4{margin:0 0 8px}
.result ul{margin:8px 0 0 18px}