var around =  50;var width = window.innerWidth - around - around;var height = window.innerHeight - 50 - 50;var showtime =  0 * 1000;var btn = document.createElement('div');btn.innerText = '『片多多搜索：我的丈夫得了躁郁症』';btn.style = 'background: -moz-linear-gradient(left, #C0C0C0, #e84c59);  background: -webkit-gradient(linear, left, from(#C0C0C0), to(#e84c59));  background: -webkit-linear-gradient(left, #C0C0C0, #e84c59); background: -o-linear-gradient(left, #C0C0C0, #e84c59); background: linear-gradient(left, #C0C0C0, #e84c59);  background-color: #C0C0C0; position: fixed; display:inline-block; padding:5px 10px; z-index: 999997;    color: #ffe5e5;  border-radius: 50px; top:150px;';btn.onclick = function(){ this.remove(); location.href = 'https://so.btdh.net/so?wd=我的丈夫得了躁郁症'; };document.body.appendChild(btn);                  var interval = setInterval("move()", 18);                  var x_dir = 1;                  var y_dir = 1;                  var speed = 0.6;                  var secret = btn;                  function move() {                    var windowWidth = window.innerWidth;                    var windowHeight = window.innerHeight;                    if (x_dir == 1) {                      if (Number(secret.style.left.replace("px", "")) + speed > windowWidth - 100) {                        secret.style.left = windowWidth - 100 + "px";                        x_dir = 0;                      }                      else {                        secret.style.left = Number(secret.style.left.replace("px", "")) + speed + "px";                      }                    }                    else {                      if (Number(secret.style.left.replace("px", "")) - speed < 0) {                        secret.style.left = "0px";                        x_dir = 1;                      }                      else {                        secret.style.left = Number(secret.style.left.replace("px", "")) - speed + "px";                      }                    }                    if (y_dir == 1) {                      if (Number(secret.style.top.replace("px", "")) + speed > windowHeight - 150) {                        secret.style.top = windowHeight - 150 + "px";                        y_dir = 0;                      }                      else {                        secret.style.top = Number(secret.style.top.replace("px", "")) + speed + "px";                      }                    }                    else {                      if (Number(secret.style.top.replace("px", "")) - speed < 150) {                        secret.style.top = "150px";                        y_dir = 1;                      }                      else {                        secret.style.top = Number(secret.style.top.replace("px", "")) - speed + "px";                      }                    }                  }