<!DOCTYPE html>
<html>
<head>
    <meta http-equiv="Content-type" content="text/html; charset=utf-8" />
    <title>慕课七夕主题</title>
    <link rel='stylesheet' href='style.css' />
    <link rel='stylesheet' href='pageA.css' />
    <link rel='stylesheet' href='pageB.css' />
    <link rel='stylesheet' href='pageC.css' />
    <script src="http://libs.baidu.com/jquery/1.9.1/jquery.js"></script>
    <script type="text/javascript" src="http://img1.sycdn.imooc.com//down/55ac9ea30001ace700000000.js"></script>
</head>
<body>
    <div id='content'>
        <ul class='content-wrap'>
            <!-- 第一副画面 -->
            <li>
                <!-- 背景 -->
                <div class="a_background">
                    <div class="a_background_top"></div>
                    <div class="a_background_middle"></div>
                    <div class="a_background_botton"></div>
                </div>
                <!-- 云 -->
                <div class="cloudArea">
                    <div class="cloud"></div>
                    <div class="cloud"></div>
                </div>
                <!-- 太阳 -->
                <div id="sun"></div>
            </li>
            <!-- 第二副画面 -->
            <li>
                <!-- 背景图 -->
                <div class="b_background"></div>
                <div class="b_background_preload"></div>
                <!-- 商店 -->
                <div class="shop">
                    <div class="door">
                        <div class="door-left"></div>
                        <div class="door-right"></div>
                    </div>
                    <!-- 灯 -->
                    <div class="lamp"></div>
                </div>
                <!-- 鸟 -->
                <div class="bird"></div>
            </li>
            <!-- 第三副画面 -->
            <li>
                <!-- 背景图 -->
                <div class="c_background">
                    <div class="c_background_top"></div>
                    <div class="c_background_middle"></div>
                    <div class="c_background_botton"></div>
                </div>
                <!-- 小女孩 -->
                <div class="girl"></div>
                <div class="bridge-bottom">
                    <div class="water">
                        <div id="water1" class="water_1"></div>
                        <div id="water2" class="water_2"></div>
                        <div id="water3" class="water_3"></div>
                        <div id="water4" class="water_4"></div>
                    </div>
                </div>
                <!-- 星星 -->
                <ul class="stars">
                    <li class="stars1"></li>
                    <li class="stars2"></li>
                    <li class="stars3"></li>
                    <li class="stars4"></li>
                    <li class="stars5"></li>
                    <li class="stars6"></li>
                </ul>
                <!-- 慕课网logo图 -->
                <div class="logo"></div>
            </li>
        </ul>
        <div id="boy" class="charector"></div>
    </div>
    <div class="button">
        <button>开始</button>
    </div>
</body>
<script type="text/javascript">
$(function() {
    ////////
    //小女孩 //
    ////////
    var girl = {
        elem: $('.girl'),
        getHeight: function() {
            return this.elem.height();
        },
        // 转身动作
        rotate: function() {
            this.elem.addClass('girl-rotate');
        },
        setPosition: function() {
            this.elem.css({
                left: visualWidth / 2,
                top: bridgeY - this.getHeight()
            });
        },
        getPosition: function() {
            return this.elem.position();
        },
        getWidth: function() {
            return this.elem.width()
        }
    };
    // 修正小女孩位置
    girl.setPosition();
    ///////////
    //loge动画 //
    ///////////
    var logo = {
        elem: $('.logo'),
        run: function() {
            this.elem.addClass('logolightSpeedIn')
                .on(animationEnd, function() {
                    $(this).addClass('logoshake').off();
                });
        }
    };
    //////////
    // 小孩走路 //
    //////////
    var boy = BoyWalk();
    boy.talkFlower();
    // 开始
    $("button:first").click(function() {
        // 第一次走路到桥底边left,top
        boy.walkTo(2000, 0.15)
            .then(function() {
                // 第二次走路到桥上left,top
                return boy.walkTo(1500, 0.25, girl.getPosition().top / visualHeight);
            })
            .then(function() {
                // 实际走路的比例
                var proportionX = (girl.getPosition().left - boy.getWidth() + girl.getWidth() / 5) / visualWidth;
                // 第三次桥上直走到小女孩面前
                return boy.walkTo(1500, proportionX);
            }).then(function() {
                // 图片还原原地停止状态
                boy.resetOriginal();
            }).then(function() {
                // 增加转身动作 
                setTimeout(function() {
                    girl.rotate();
                    boy.rotate(function() {
                        // 开始logo动画
                        logo.run();
                    });
                }, 1000);
            });
    })
})
</script>
<script type="text/javascript" src="Swipe.js"></script>
<script type="text/javascript" src="Qixi.js"></script>
</html>
                    // 动画结束事件
       var animationEnd = (function() {
           var explorer = navigator.userAgent;
           if (~explorer.indexOf('WebKit')) {
               return 'webkitAnimationEnd';
           }
           return 'animationend';
       })();
       ///////////
       //灯动画 //
       ///////////
       var lamp = {
           elem: $('.b_background'),
           bright: function() {
               this.elem.addClass('lamp-bright');
           },
           dark: function() {
               this.elem.removeClass('lamp-bright');
           }
       };
       var container = $("#content");
       var swipe = Swipe(container);
       visualWidth = container.width();
       visualHeight = container.height();
       // 页面滚动到指定的位置
       function scrollTo(time, proportionX) {
           var distX = visualWidth * proportionX;
           swipe.scrollTo(distX, time);
       }
       // 获取数据
       var getValue = function(className) {
           var $elem = $('' + className + '');
               // 走路的路线坐标
           return {
               height: $elem.height(),
               top: $elem.position().top
           };
       };
       // 桥的Y轴
       var bridgeY = function() {
           var data = getValue('.c_background_middle');
           return data.top;
       }();
       ////////
       //小女孩 //
       ////////
       var girl = {
           elem: $('.girl'),
           getHeight: function() {
               return this.elem.height();
           },
           setOffset: function() {
               this.elem.css({
                   left: visualWidth / 2,
                   top: bridgeY - this.getHeight()
               });
           }
       };
       // 修正小女孩位置
       girl.setOffset();
       // 用来临时调整页面
       swipe.scrollTo(visualWidth * 2, 0);
       function doorAction(left, right, time) {
           var $door = $('.door');
           var doorLeft = $('.door-left');
           var doorRight = $('.door-right');
           var defer = $.Deferred();
           var count = 2;
           // 等待开门完成
           var complete = function() {
               if (count == 1) {
                   defer.resolve();
                   return;
               }
               count--;
           };
           doorLeft.transition({
               'left': left
           }, time, complete);
           doorRight.transition({
               'left': right
           }, time, complete);
           return defer;
       }
       // 开门
       function openDoor() {
           return doorAction('-50%', '100%', 2000);
       }
       // 关门
       function shutDoor() {
           return doorAction('0%', '50%', 2000);
       }
       /**
        * 小孩走路
        * @param {[type]} container [description]
        */
       function BoyWalk() {
           var container = $("#content");
           // 页面可视区域
           var visualWidth = container.width();
           var visualHeight = container.height();
           // 获取数据
           var getValue = function(className) {
               var $elem = $('' + className + '');
               //走路的路线坐标
               return {
                   height: $elem.height(),
                   top: $elem.position().top
               };
           };
           // 路的Y轴
           var pathY = function() {
               var data = getValue('.a_background_middle');
               return data.top + data.height / 2;
           }();
           
           var $boy = $("#boy");
           var boyHeight = $boy.height();
           // 设置下高度    
           $boy.css({
               top: pathY - boyHeight + 25
           });
           // 暂停走路
           function pauseWalk() {
               $boy.addClass('pauseWalk');
           }
           // 恢复走路
           function restoreWalk() {
               $boy.removeClass('pauseWalk');
           }
           // css3的动作变化
           function slowWalk() {
               $boy.addClass('slowWalk');
           }
           // 用transition做运动
           function stratRun(options, runTime) {
               var dfdPlay = $.Deferred();
               // 恢复走路
               restoreWalk();
               // 运动的属性
               $boy.transition(
                   options,
                   runTime,
                   'linear',
                   function() {
                       dfdPlay.resolve(); // 动画完成
                   });
               return dfdPlay;
           }
           // 开始走路
           function walkRun(time, dist, disY) {
               time = time || 3000;
               // 脚动作
               slowWalk();
               // 开始走路
               var d1 = stratRun({
                   'left': dist + 'px',
                   'top': disY ? disY : undefined
               }, time);
               return d1;
           }
           // 走进商店
           function walkToShop(runTime) {
               var defer = $.Deferred();
               var doorObj = $('.door')
               // 门的坐标
               var offsetDoor = doorObj.offset();
               var doorOffsetLeft = offsetDoor.left;
               var doorOffsetTop = offsetDoor.top;
               // 小孩当前的坐标
               var posBoy = $boy.position();
               var boyPoxLeft = posBoy.left;
               var boyPoxTop = posBoy.top;
               // 中间位置
               var boyMiddle = $boy.width() / 2;
               var doorMiddle = doorObj.width() / 2;
               var doorTopMiddle = doorObj.height() / 2;
               // 当前需要移动的坐标
               instanceX = (doorOffsetLeft + doorMiddle) - (boyPoxLeft + boyMiddle);
               // Y的坐标
               //top = 人物底部的top - 门中见的top值
               instanceY = boyPoxTop + boyHeight - doorOffsetTop + (doorTopMiddle);
               // 开始走路
               var walkPlay = stratRun({
                   transform: 'translateX(' + instanceX + 'px),translateY(-' + instanceY + 'px),scale(0.5,0.5)',
                   opacity: 0.1
               }, 2000);
               // 走路完毕
               walkPlay.done(function() {
                   $boy.css({
                       opacity: 0
                   })
                   defer.resolve();
               });
               return defer;
           }
           // 走出店
           function walkOutShop(runTime) {
               var defer = $.Deferred();
               restoreWalk();
               // 开始走路
               var walkPlay = stratRun({
                   transform: 'translateX(' + instanceX + 'px),translateY(0),scale(1,1)',
                   opacity: 1
               }, runTime);
               // 走路完毕
               walkPlay.done(function() {
                   defer.resolve();
               });
               return defer;
           }
           // 计算移动距离
           function calculateDist(direction, proportion) {
               return (direction == "x" ?
                   visualWidth : visualHeight) * proportion;
           }
           return {
               // 开始走路
               walkTo: function(time, proportionX, proportionY) {
                   var distX = calculateDist('x', proportionX)
                   var distY = calculateDist('y', proportionY)
                   return walkRun(time, distX, distY);
               },
               // 走进商店
               toShop: function() {
                   return walkToShop.apply(null, arguments);
               },
               // 走出商店
               outShop: function() {
                   return walkOutShop.apply(null, arguments);
               },
               // 停止走路
               stopWalk: function() {
                   pauseWalk();
               },
               setColoer: function(value) {
                   $boy.css('background-color', value)
               },
               // 获取男孩的宽度
               getWidth: function() {
                   return $boy.width();
               },
               // 复位初始状态
               resetOriginal: function() {
                   this.stopWalk();
                   // 恢复图片
                   $boy.removeClass('slowWalk slowFlolerWalk').addClass('boyOriginal');
               },
               // 转身动作
               rotate: function(callback) {
                   restoreWalk();
                   $boy.addClass('boy-rotate');
                   // 监听转身完毕
                   if (callback) {
                       $boy.on(animationEnd, function() {
                           callback();
                           $(this).off();
                       })
                   }
               },
               // 取花
               talkFlower: function() {
                   $boy.addClass('slowFlolerWalk');
               }
           }
       }
                    /////////
//页面滑动 //
/////////
/**
 * [Swipe description]
 * @param {[type]} container [页面容器节点]
 * @param {[type]} options   [参数]
 */
function Swipe(container) {
    // 获取第一个子节点
    var element = container.find(":first");
    var swipe = {};
    // li页面数量
    var slides = element.find(">"); 
    // 获取容器尺寸
    var width = container.width();
    var height = container.height();
    // 设置li页面总宽度
    element.css({
        width: (slides.length * width) + 'px',
        height: height + 'px'
    });
    // 设置每一个页面li的宽度
    $.each(slides, function(index) {
        var slide = slides.eq(index); // 获取到每一个li元素    
        slide.css({
            width: width + 'px',
            height: height + 'px'
        });
    });
    // 监控完成与移动
    swipe.scrollTo = function(x, speed) {
        // 执行动画移动
        element.css({
            'transition-timing-function' : 'linear',
            'transition-duration'        : speed + 'ms',
            'transform'                  : 'translate3d(-' + x + 'px,0px,0px)'
        });
        return this;
    };
    return swipe;
}
                    * {
       padding: 0;
       margin: 0;
   }
   
   ol,
   ul,
   li {
       list-style-type: none;
   }
   /*主体部分*/
   
   #content {
       width: 100%;
       height: 100%;
       /* top: 20%; */
       overflow: hidden;
       position: absolute;
   }
   
   .content-wrap {
       position: relative;
   }
   
   .content-wrap > li {
       float: left;
       overflow: hidden;
       position: relative;
   }
   
   a {
       position: absolute;
       top: 50%;
       left: 40%;
   }
   
   .charector {
       position: absolute;
       left: 0%;
       top: 55%;
       position: absolute;
       width: 100%;
       height: 100%;
       width: 151px;
       height: 291px;
       background: url(http://img1.sycdn.imooc.com//55ade248000198ae10550582.png) -0px -291px no-repeat;
   }
   /*人物暂停*/
   
   .pauseWalk {
       -webkit-animation-play-state: paused;
   }
   
   .slowWalk {
       -webkit-animation-name: person-slow;
       -webkit-animation-duration: 950ms;
       -webkit-animation-iteration-count: infinite;
       -webkit-animation-timing-function: steps(1, start);
       -moz-animation-name: person-slow;
       -moz-animation-duration: 950ms;
       -moz-animation-iteration-count: infinite;
       -moz-animation-timing-function: steps(1, start)
   }
   
   .slowFlolerWalk {
       -webkit-animation-name: person-floler-slow;
       -webkit-animation-duration: 950ms;
       -webkit-animation-iteration-count: infinite;
       -webkit-animation-timing-function: step-start;
       -moz-animation-name: person-floler-slow;
       -moz-animation-duration: 950ms;
       -moz-animation-iteration-count: infinite;
       -moz-animation-timing-function: step-start;
   }
   /*人物暂停*/
   
   .boyOriginal {
       background-position: -150px -0px;
   }
   /*带花*/
   
   @-webkit-keyframes person-floler-slow {
       0% {
           background-position: -453px -0px;
       }
       25% {
           background-position: -904px -0px;
       }
       50% {
           background-position: -451px -0px;
       }
       75% {
           background-position: -753px -0px;
       }
       100% {
           background-position: -300px -0px;
       }
   }
   
   @-moz-keyframes person-floler-slow {
       0% {
           background-position: -453px -0px;
       }
       25% {
           background-position: -904px -0px;
       }
       50% {
           background-position: -451px -0px;
       }
       75% {
           background-position: -753px -0px;
       }
       100% {
           background-position: -300px -0px;
       }
   }
   /*普通慢走*/
   
   @-webkit-keyframes person-slow {
       0% {
           background-position: -0px -291px;
       }
       25% {
           background-position: -602px -0px;
       }
       50% {
           background-position: -302px -291px;
       }
       75% {
           background-position: -151px -291px;
       }
       100% {
           background-position: -0px -291px;
       }
   }
   
   @-moz-keyframes person-slow {
       0% {
           background-position: -0px -291px;
       }
       25% {
           background-position: -602px -0px;
       }
       50% {
           background-position: -302px -291px;
       }
       75% {
           background-position: -151px -291px;
       }
       100% {
           background-position: -0px -291px;
       }
   }
   /*男孩转身*/
   
   .boy-rotate {
       -webkit-animation-name: boy-rotate;
       -webkit-animation-duration: 850ms;
       -webkit-animation-iteration-count: 1;
       -webkit-animation-timing-function: step-start;
       -webkit-animation-fill-mode: forwards;
       -moz-animation-name: boy-rotate;
       -moz-animation-duration: 850ms;
       -moz-animation-iteration-count: 1;
       -moz-animation-timing-function: step-start;
       -moz-animation-fill-mode: forwards;
   }
   
   @-webkit-keyframes boy-rotate {
       0% {
           background-position: -603px -291px;
       }
       16.7% {
           background-position: -150px -0px;
       }
       33.4% {
           background-position: -453px -291px;
       }
       50.1% {
           background-position: -0px -0px;
       }
       66.8% {
           background-position: -903px -291px;
       }
       83.5% {
           background-position: -753px -291px;
       }
       100% {
           background-position: -603px -291px;
       }
   }
   
   @-moz-keyframes boy-rotate {
       0% {
           /*background-position: -603px -291px;*/
       }
       16.7% {
           background-position: -150px -0px;
       }
       33.4% {
           background-position: -453px -291px;
       }
       50.1% {
           background-position: -0px -0px;
       }
       66.8% {
           background-position: -903px -291px;
       }
       83.5% {
           background-position: -753px -291px;
       }
       100% {
           background-position: -603px -291px;
       }
   }
                    /*背景图*/
.a_background {
    width: 100%;
    height: 100%;
    /*    background-image: url("../images/QixiA.png");
    background-size: 100% 100%;*/
    
    position: absolute;
}
.a_background_top {
    width: 100%;
    height: 71.6%;
    background-image: url("http://img1.sycdn.imooc.com//55addf6900019d8f14410645.png");
    background-size: 100% 100%;
}
.a_background_middle {
    width: 100%;
    height: 13.1%;
    background-image: url("http://img1.sycdn.imooc.com//55addf800001ff2e14410118.png");
    background-size: 100% 100%;
}
.a_background_botton {
    width: 100%;
    height: 15.3%;
    background-image: url("http://img1.sycdn.imooc.com//55addfcb000189b314410138.png");
    background-size: 100% 100%;
}
button {
    width: 80px;
    height: 50px;
}
.button {
    position: absolute;
    bottom: 0;
}
/*人物暂停*/
.pauseWalk {
    animation-play-state: paused;
}
/*-------- 太阳自转以及动画 --------*/
#sun {
    background: url("http://img1.sycdn.imooc.com//55ade004000106c202010201.png") no-repeat;
    position: absolute;
    z-index: 1;
    top: -30px;
    height: 201px;
    width: 201px;
    right: 40%;
}
.rotation {
    -webkit-animation-name: rotation;
    -webkit-animation-duration: 30s;
    -webkit-animation-iteration: 1;
    -moz-animation-name: rotation;
    -moz-animation-duration: 30s;
    -moz-animation-iteration: 1;
}
@-webkit-keyframes rotation {
    0% {
        transform: translateX(0) translateY(0);
    }
    100% {
        transform: translateX(-2000px) translateY(400px);
    }
}
@-moz-keyframes rotation {
    0% {
        transform: translateX(0) translateY(0);
    }
    100% {
        transform: translateX(-2000px) translateY(400px);
    }
}
/*天空云*/
.cloud {
    z-index: 2;
    position: absolute;
}
.cloud1 {
    width: 20%;
    height: 30%;
    left: -5%;
    top: 15%;
    background: url("http://img1.sycdn.imooc.com//55addfde0001aec501810101.png") no-repeat;
    -webkit-animation-name: smallCloud;
    -webkit-animation-duration: 30s;
    -webkit-animation-iteration: infinite;
    -moz-animation-name: smallCloud;
    -moz-animation-duration: 30s;
    -moz-animation-iteration: infinite
}
.cloud2 {
    width: 20%;
    height: 30%;
    right: -5%;
    background: url("http://img1.sycdn.imooc.com//55addff500016df503010140.png") no-repeat;
    -webkit-animation-name: largeCloud;
    -webkit-animation-duration: 60s;
    -webkit-animation-iteration: infinite;
    -moz-animation-name: largeCloud;
    -moz-animation-duration: 60s;
    -moz-animation-iteration: infinite;
}
@-webkit-keyframes smallCloud {
    0% {
        left: -5%;
    }
    100% {
        left: 100%;
    }
}
@-moz-keyframes smallCloud {
    0% {
        left: -5%;
    }
    100% {
        left: 100%;
    }
}
@-webkit-keyframes largeCloud {
    0% {
        right: -5%;
    }
    100% {
        right: 100%;
    }
}
@-moz-keyframes largeCloud {
    0% {
        right: -5%;
    }
    100% {
        right: 100%;
    }
}
                    /*背景图*/
.b_background {
    width: 100%;
    height: 100%;
    background-image: url("http://img1.sycdn.imooc.com//55ade06f00015a0d14410901.png");
    background-size: 100% 100%;
    position: absolute;
}
.b_background_preload {
    background: url("http://img1.sycdn.imooc.com//55ade0be0001a37914410901.png") no-repeat -9999px -9999px;
}
.lamp-bright {
   background-image: url("http://img1.sycdn.imooc.com//55ade0be0001a37914410901.png");
}
/*商店*/
.shop {
    width: 39.5%;
    height: 35.5%;
    position: absolute;
    left: 29%;
    top: 36.5%;
}
.door {
    position: absolute;
    width: 32%;
    height: 100%;
    top: 32%;
    height: 68%;
    overflow: hidden;
    left: 58.5%;
}
.door-left,
.door-right {
    width: 50%;
    height: 100%;
    position: absolute;
}
.door-left {
    left: 0%;
    background: url(http://img1.sycdn.imooc.com//55ade1140001050d00910231.png);
    background-size: 100% 100%;
}
.door-right {
    left: 50%;
    background: url(http://img1.sycdn.imooc.com//55ade12100019f5b00910231.png);
    background-size: 100% 100%;
}
/*鸟*/
.bird {
    min-width: 91px;
    min-height: 71px;
    top: 10%;
    position: absolute;
    z-index: 10;
    right: -91px;
    background: url(http://img1.sycdn.imooc.com//55ade1700001b38302730071.png) -182px 0px no-repeat;
}
.birdFly {
    -webkit-animation-name: bird-slow;
    -webkit-animation-duration: 400ms;
    -webkit-animation-timing-function: step-start;
    -webkit-animation-iteration-count: infinite;
    -moz-animation-name: bird-slow;
    -moz-animation-duration: 400ms;
    -moz-animation-timing-function: step-start;
    -moz-animation-iteration-count: infinite;
}
/*鸟慢飞*/
@-webkit-keyframes bird-slow {
    0% {
        background-position: -182px 0px;
    }
    50% {
        background-position: 0px 0px;
    }
    75% {
        background-position: -91px 0px;
    }
    100% {
        background-position: -182px 0px;
    }
}
@-moz-keyframes bird-slow {
    0% {
        background-position: -182px 0px;
    }
    50% {
        background-position: 0px 0px;
    }
    75% {
        background-position: -91px 0px;
    }
    100% {
        background-position: -182px 0px;
    }
}
                    /*背景图*/
.c_background {
    width: 100%;
    height: 100%;
    background-size: 100% 100%;
    position: absolute;
}
.c_background_top {
    width: 100%;
    height: 71.6%;
    background-image: url("http://img1.sycdn.imooc.com//55ade19b0001d92c14410645.png");
    background-size: 100% 100%;
}
.c_background_middle {
    width: 100%;
    height: 13.1%;
    background-image: url("http://img1.sycdn.imooc.com//55ade1b3000135c114410118.png");
    background-size: 100% 100%;
}
.c_background_botton {
    width: 100%;
    height: 15.3%;
    background-image: url("http://img1.sycdn.imooc.com//55ade1c30001db5d14410138.png");
    background-size: 100% 100%;
}
/*小女孩*/
.girl {
    background: url(http://img1.sycdn.imooc.com//55ade30d000100dc10570291.png) -755px -0px no-repeat;
    position: absolute;
    right: 40%;
    top: 37%;
    width: 151px;
    height: 291px;
}
.girl-rotate {
    -webkit-animation-name: girl-rotate;
    -webkit-animation-duration: 850ms;
    -webkit-animation-iteration-count: 1;
    -webkit-animation-timing-function: step-start;
    -webkit-animation-fill-mode: forwards;
    -moz-animation-name: girl-rotate;
    -moz-animation-duration: 850ms;
    -moz-animation-iteration-count: 1;
    -moz-animation-timing-function: step-start;
    -moz-animation-fill-mode: forwards;
}
@-webkit-keyframes girl-rotate {
    0% {
        background-position: -604px -0px;
    }
    16.7% {
        background-position: -151px -0px;
    }
    33.4% {
        background-position: -906px -0px;
    }
    50.1% {
        background-position: -0px -0px;
    }
    66.8% {
        background-position: -302px -0px;
    }
    83.5% {
        background-position: -453px -0px;
    }
    100% {
        background-position: -604px -0px;
    }
}
@-moz-keyframes girl-rotate {
    0% {
        /*background-position: -604px -0px;*/
    }
    16.7% {
        background-position: -151px -0px;
    }
    33.4% {
        background-position: -906px -0px;
    }
    50.1% {
        background-position: -0px -0px;
    }
    66.8% {
        background-position: -302px -0px;
    }
    83.5% {
        background-position: -453px -0px;
    }
    100% {
        background-position: -604px -0px;
    }
}
/*桥*/
.bridge-bottom {
    position: absolute;
    width: 41%;
    height: 24%;
    left: 29.5%;
    top: 76%;
    overflow: hidden;
    /*    -webkit-transform:perspective(8px) rotateX(.8deg); */
}
/*波浪水布局*/
.water {
    width: 100%;
    height: 100%;
}
.water_1,
.water_2,
.water_3,
.water_4 {
    width: 100%;
    position: absolute;
    height: 50%;
    -webkit-animation-name: shake;
    -webkit-animation-duration: 40s;
    -webkit-animation-direction: alternate;
    -webkit-anination-timing-function: linear;
    -webkit-animation-iteration-count: infinite;
    -moz-animation-name: shake;
    -moz-animation-duration: 40s;
    -moz-animation-direction: alternate;
    -moz-anination-timing-function: linear;
    -moz-animation-iteration-count: infinite;
}
.water_1 {
    width: 131px;
    height: 15px;
    top: 13%;
    left: 35%;
    background: url(http://img1.sycdn.imooc.com//55ade1e000010f2908540027.png) -261px -0px no-repeat;
}
.water_2 {
    width: 161px;
    height: 9px;
    top: 25%;
    left: 45%;
    background: url(http://img1.sycdn.imooc.com//55ade1e000010f2908540027.png) -693px -0px no-repeat;
    -webkit-animation-delay: 2s;
    -moz-animation-delay: 2s;
}
.water_3 {
    width: 261px;
    height: 29px;
    top: 50%;
    left: 15%;
    background: url(http://img1.sycdn.imooc.com//55ade1e000010f2908540027.png) -0px -0px no-repeat;
    -webkit-animation-delay: 1s;
    -moz-animation-delay: 1s;
}
.water_4 {
    width: 301px;
    height: 12px;
    top: 70%;
    left: 30%;
    background: url(http://img1.sycdn.imooc.com//55ade1e000010f2908540027.png) -392px -0px no-repeat;
    -webkit-animation-delay: 3s;
    -moz-animation-delay: 3s;
}
@-webkit-keyframes shake {
    0%, 100% {
        -webkit-transform: translate3d(0, 0, 0);
    }
    10%,
    30%,
    50%,
    70%,
    90% {
        -webkit-transform: translate3d(-30px, 0px, 0);
    }
    20%,
    40%,
    60%,
    80% {
        -webkit-transform: translate3d(30px, 0px, 0);
    }
}
@-moz-keyframes shake {
    0%, 100% {
        -moz-transform: translate3d(0, 0, 0);
    }
    10%,
    30%,
    50%,
    70%,
    90% {
        -moz-transform: translate3d(-30px, 0px, 0);
    }
    20%,
    40%,
    60%,
    80% {
        -moz-transform: translate3d(30px, 0px, 0);
    }
}
/*星星*/
.stars {
    width: 100%;
    height: 100%;
    position: absolute;
}
.stars > li {
    position: absolute;
    width: 30px;
    height: 31px;
    background-image: url("http://img1.sycdn.imooc.com//55ade1fe00016b8900300031.png");
    -webkit-animation-name: flash;
    -webkit-animation-timing-function: ease-in-out;
    -webkit-animation-iteration-count: infinite;
    -webkit-animation-direction: alternate;
    -moz-animation-name: flash;
    -moz-animation-timing-function: ease-in-out;
    -moz-animation-iteration-count: infinite;
    -moz-animation-direction: alternate;
}
.stars1 {
    top: 20%;
    left: 30%;
    -webkit-animation-duration: 5s;
    -moz-animation-duration: 5s;
}
.stars2 {
    top: 15%;
    left: 20%;
    -webkit-animation-duration: 20s;
    -moz-animation-duration: 20s;
}
.stars3 {
    top: 25%;
    left: 85%;
    -webkit-animation-duration: 15s;
    -moz-animation-duration: 15s;
}
.stars4 {
    top: 30%;
    left: 70%;
    -webkit-animation-duration: 25s;
    -moz-animation-duration: 25s;
}
.stars5 {
    top: 25%;
    left: 20%;
    -webkit-animation-duration: 30s;
    -moz-animation-duration: 30s;
}
.stars6 {
    top: 10%;
    left: 65%;
    -webkit-animation-duration: 10s;
    -moz-animation-duration: 10s;
}
@-webkit-keyframes flash {
    0%, 50%, 100% {
        opacity: 1;
    }
    25%,
    75% {
        opacity: 0;
    }
}
@-moz-keyframes flash {
    0%, 50%, 100% {
        opacity: 1;
    }
    25%,
    75% {
        opacity: 0;
    }
}
/*文字效果*/
.logo {
    width: 185px;
    height: 81px;
    background-image: url(http://img1.sycdn.imooc.com//55ade2110001708401850081.png);
    z-index: 999999;
    position: absolute;
    left: 50%;
    margin-left: -92.5px;
    top: 30px;
    display: none;
}
.logolightSpeedIn {
    display: block;
    -webkit-animation-name: lightSpeedIn;
    -webkit-animation-timing-function: ease-out;
    -webkit-animation-duration: 1s;
    -moz-animation-name: lightSpeedIn;
    -moz-animation-timing-function: ease-out;
    -moz-animation-duration: 1s;
}
@-webkit-keyframes lightSpeedIn {
    0% {
        -webkit-transform: translate3d(100%, 0, 0) skewX(-30deg);
        opacity: 0;
    }
    60% {
        -webkit-transform: skewX(20deg);
        opacity: 1;
    }
    80% {
        -webkit-transform: skewX(-5deg);
        opacity: 1;
    }
    100% {
        -webkit-transform: none;
        opacity: 1;
    }
}
@-moz-keyframes lightSpeedIn {
    0% {
        -moz-transform: translate3d(100%, 0, 0) skewX(-30deg);
        opacity: 0;
    }
    60% {
        -moz-transform: skewX(20deg);
        opacity: 1;
    }
    80% {
        -moz-transform: skewX(-5deg);
        opacity: 1;
    }
    100% {
        -moz-transform: none;
        opacity: 1;
    }
}
.logoshake {
    -webkit-animation-name: logoshake;
    -webkit-animation-duration: 0.5s;
    -moz-animation-name: logoshake;
    -moz-animation-duration: 0.5s;
}
@-webkit-keyframes logoshake {
    /* 补充代码使logo产生左右晃动效果 */ 
}
@-moz-keyframes logoshake {
    /* 补充代码使logo产生左右晃动效果 */ 
}