!function() {
  var s, i, c, a, o = {
      frameRate: 150,
      animationTime: 400,
      stepSize: 100,
      pulseAlgorithm: !0,
      pulseScale: 4,
      pulseNormalize: 1,
      accelerationDelta: 50,
      accelerationMax: 3,
      keyboardSupport: !0,
      arrowScroll: 50,
      fixedBackground: !0,
      excluded: ""
  }, p = o, u = !1, d = !1, n = {
      x: 0,
      y: 0
  }, f = !1, m = document.documentElement, l = [], h = /^Mac/.test(navigator.platform), w = {
      left: 37,
      up: 38,
      right: 39,
      down: 40,
      spacebar: 32,
      pageup: 33,
      pagedown: 34,
      end: 35,
      home: 36
  }, v = {
      37: 1,
      38: 1,
      39: 1,
      40: 1
  };
  function y() {
      if (!f && document.body) {
          f = !0;
          var e = document.body
            , t = document.documentElement
            , o = window.innerHeight
            , n = e.scrollHeight;
          if (m = 0 <= document.compatMode.indexOf("CSS") ? t : e,
          s = e,
          p.keyboardSupport && Y("keydown", x),
          top != self)
              d = !0;
          else if (Q && o < n && (e.offsetHeight <= o || t.offsetHeight <= o)) {
              var r, a = document.createElement("div");
              a.style.cssText = "position:absolute; z-index:-10000; top:0; left:0; right:0; height:" + m.scrollHeight + "px",
              document.body.appendChild(a),
              c = function() {
                  r = r || setTimeout(function() {
                      u || (a.style.height = "0",
                      a.style.height = m.scrollHeight + "px",
                      r = null)
                  }, 500)
              }
              ,
              setTimeout(c, 10),
              Y("resize", c);
              if ((i = new R(c)).observe(e, {
                  attributes: !0,
                  childList: !0,
                  characterData: !1
              }),
              m.offsetHeight <= o) {
                  var l = document.createElement("div");
                  l.style.clear = "both",
                  e.appendChild(l)
              }
          }
          p.fixedBackground || u || (e.style.backgroundAttachment = "scroll",
          t.style.backgroundAttachment = "scroll")
      }
  }
  var b = []
    , g = !1
    , r = Date.now();
  function S(d, f, m) {
      if (function(e, t) {
          e = 0 < e ? 1 : -1,
          t = 0 < t ? 1 : -1,
          n.x === e && n.y === t || (n.x = e,
          n.y = t,
          b = [],
          r = 0)
      }(f, m),
      1 != p.accelerationMax) {
          var e = Date.now() - r;
          if (e < p.accelerationDelta) {
              var t = (1 + 50 / e) / 2;
              1 < t && (t = Math.min(t, p.accelerationMax),
              f *= t,
              m *= t)
          }
          r = Date.now()
      }
      if (b.push({
          x: f,
          y: m,
          lastX: f < 0 ? .99 : -.99,
          lastY: m < 0 ? .99 : -.99,
          start: Date.now()
      }),
      !g) {
          var o = q()
            , h = d === o || d === document.body;
          null == d.$scrollBehavior && function(e) {
              var t = M(e);
              if (null == B[t]) {
                  var o = getComputedStyle(e, "")["scroll-behavior"];
                  B[t] = "smooth" == o
              }
              return B[t]
          }(d) && (d.$scrollBehavior = d.style.scrollBehavior,
          d.style.scrollBehavior = "auto");
          var w = function(e) {
              for (var t = Date.now(), o = 0, n = 0, r = 0; r < b.length; r++) {
                  var a = b[r]
                    , l = t - a.start
                    , i = l >= p.animationTime
                    , c = i ? 1 : l / p.animationTime;
                  p.pulseAlgorithm && (c = F(c));
                  var s = a.x * c - a.lastX >> 0
                    , u = a.y * c - a.lastY >> 0;
                  o += s,
                  n += u,
                  a.lastX += s,
                  a.lastY += u,
                  i && (b.splice(r, 1),
                  r--)
              }
              h ? window.scrollBy(o, n) : (o && (d.scrollLeft += o),
              n && (d.scrollTop += n)),
              f || m || (b = []),
              b.length ? j(w, d, 1e3 / p.frameRate + 1) : (g = !1,
              null != d.$scrollBehavior && (d.style.scrollBehavior = d.$scrollBehavior,
              d.$scrollBehavior = null))
          };
          j(w, d, 0),
          g = !0
      }
  }
  function e(e) {
      f || y();
      var t = e.target;
      if (e.defaultPrevented || e.ctrlKey)
          return !0;
      if (N(s, "embed") || N(t, "embed") && /\.pdf/i.test(t.src) || N(s, "object") || t.shadowRoot)
          return !0;
      var o = -e.wheelDeltaX || e.deltaX || 0
        , n = -e.wheelDeltaY || e.deltaY || 0;
      h && (e.wheelDeltaX && K(e.wheelDeltaX, 120) && (o = e.wheelDeltaX / Math.abs(e.wheelDeltaX) * -120),
      e.wheelDeltaY && K(e.wheelDeltaY, 120) && (n = e.wheelDeltaY / Math.abs(e.wheelDeltaY) * -120)),
      o || n || (n = -e.wheelDelta || 0),
      1 === e.deltaMode && (o *= 40,
      n *= 40);
      var r = z(t);
      return r ? !!function(e) {
          if (!e)
              return;
          l.length || (l = [e, e, e]);
          e = Math.abs(e),
          l.push(e),
          l.shift(),
          clearTimeout(a),
          a = setTimeout(function() {
              try {
                  localStorage.SS_deltaBuffer = l.join(",")
              } catch (e) {}
          }, 1e3);
          var t = 120 < e && P(e)
            , o = !P(120) && !P(100) && !t;
          return e < 50 || o
      }(n) || (1.2 < Math.abs(o) && (o *= p.stepSize / 120),
      1.2 < Math.abs(n) && (n *= p.stepSize / 120),
      S(r, o, n),
      e.preventDefault(),
      void C()) : !d || !W || (Object.defineProperty(e, "target", {
          value: window.frameElement
      }),
      parent.wheel(e))
  }
  function x(e) {
      var t = e.target
        , o = e.ctrlKey || e.altKey || e.metaKey || e.shiftKey && e.keyCode !== w.spacebar;
      document.body.contains(s) || (s = document.activeElement);
      var n = /^(button|submit|radio|checkbox|file|color|image)$/i;
      if (e.defaultPrevented || /^(textarea|select|embed|object)$/i.test(t.nodeName) || N(t, "input") && !n.test(t.type) || N(s, "video") || function(e) {
          var t = e.target
            , o = !1;
          if (-1 != document.URL.indexOf("www.youtube.com/watch"))
              do {
                  if (o = t.classList && t.classList.contains("html5-video-controls"))
                      break
              } while (t = t.parentNode);
          return o
      }(e) || t.isContentEditable || o)
          return !0;
      if ((N(t, "button") || N(t, "input") && n.test(t.type)) && e.keyCode === w.spacebar)
          return !0;
      if (N(t, "input") && "radio" == t.type && v[e.keyCode])
          return !0;
      var r = 0
        , a = 0
        , l = z(s);
      if (!l)
          return !d || !W || parent.keydown(e);
      var i = l.clientHeight;
      switch (l == document.body && (i = window.innerHeight),
      e.keyCode) {
      case w.up:
          a = -p.arrowScroll;
          break;
      case w.down:
          a = p.arrowScroll;
          break;
      case w.spacebar:
          a = -(e.shiftKey ? 1 : -1) * i * .9;
          break;
      case w.pageup:
          a = .9 * -i;
          break;
      case w.pagedown:
          a = .9 * i;
          break;
      case w.home:
          l == document.body && document.scrollingElement && (l = document.scrollingElement),
          a = -l.scrollTop;
          break;
      case w.end:
          var c = l.scrollHeight - l.scrollTop - i;
          a = 0 < c ? 10 + c : 0;
          break;
      case w.left:
          r = -p.arrowScroll;
          break;
      case w.right:
          r = p.arrowScroll;
          break;
      default:
          return !0
      }
      S(l, r, a),
      e.preventDefault(),
      C()
  }
  function t(e) {
      s = e.target
  }
  var k, D, M = (k = 0,
  function(e) {
      return e.uniqueID || (e.uniqueID = k++)
  }
  ), E = {}, T = {}, B = {};
  function C() {
      clearTimeout(D),
      D = setInterval(function() {
          E = T = B = {}
      }, 1e3)
  }
  function H(e, t, o) {
      for (var n = o ? E : T, r = e.length; r--; )
          n[M(e[r])] = t;
      return t
  }
  function z(e) {
      var t = []
        , o = document.body
        , n = m.scrollHeight;
      do {
          var r = (!1 ? E : T)[M(e)];
          if (r)
              return H(t, r);
          if (t.push(e),
          n === e.scrollHeight) {
              var a = O(m) && O(o) || X(m);
              if (d && L(m) || !d && a)
                  return H(t, q())
          } else if (L(e) && X(e))
              return H(t, e)
      } while (e = e.parentElement)
  }
  function L(e) {
      return e.clientHeight + 10 < e.scrollHeight
  }
  function O(e) {
      return "hidden" !== getComputedStyle(e, "").getPropertyValue("overflow-y")
  }
  function X(e) {
      var t = getComputedStyle(e, "").getPropertyValue("overflow-y");
      return "scroll" === t || "auto" === t
  }
  function Y(e, t, o) {
      window.addEventListener(e, t, o || !1)
  }
  function A(e, t, o) {
      window.removeEventListener(e, t, o || !1)
  }
  function N(e, t) {
      return e && (e.nodeName || "").toLowerCase() === t.toLowerCase()
  }
  if (window.localStorage && localStorage.SS_deltaBuffer)
      try {
          l = localStorage.SS_deltaBuffer.split(",")
      } catch (e) {}
  function K(e, t) {
      return Math.floor(e / t) == e / t
  }
  function P(e) {
      return K(l[0], e) && K(l[1], e) && K(l[2], e)
  }
  var $, j = window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || function(e, t, o) {
      window.setTimeout(e, o || 1e3 / 60)
  }
  , R = window.MutationObserver || window.WebKitMutationObserver || window.MozMutationObserver, q = ($ = document.scrollingElement,
  function() {
      if (!$) {
          var e = document.createElement("div");
          e.style.cssText = "height:10000px;width:1px;",
          document.body.appendChild(e);
          var t = document.body.scrollTop;
          document.documentElement.scrollTop,
          window.scrollBy(0, 3),
          $ = document.body.scrollTop != t ? document.body : document.documentElement,
          window.scrollBy(0, -3),
          document.body.removeChild(e)
      }
      return $
  }
  );
  function V(e) {
      var t;
      return ((e *= p.pulseScale) < 1 ? e - (1 - Math.exp(-e)) : (e -= 1,
      (t = Math.exp(-1)) + (1 - Math.exp(-e)) * (1 - t))) * p.pulseNormalize
  }
  function F(e) {
      return 1 <= e ? 1 : e <= 0 ? 0 : (1 == p.pulseNormalize && (p.pulseNormalize /= V(1)),
      V(e))
  }
  var I = window.navigator.userAgent
    , _ = /Edge/.test(I)
    , W = /chrome/i.test(I) && !_
    , U = /safari/i.test(I) && !_
    , G = /mobile/i.test(I)
    , J = /Windows NT 6.1/i.test(I) && /rv:11/i.test(I)
    , Q = U && (/Version\/8/i.test(I) || /Version\/9/i.test(I))
    , Z = (W || U || J) && !G
    , ee = !1;
  try {
      window.addEventListener("test", null, Object.defineProperty({}, "passive", {
          get: function() {
              ee = !0
          }
      }))
  } catch (e) {}
  var te = !!ee && {
      passive: !1
  }
    , oe = "onwheel"in document.createElement("div") ? "wheel" : "mousewheel";
  function ne(e) {
      for (var t in e)
          o.hasOwnProperty(t) && (p[t] = e[t])
  }
  oe && Z && (Y(oe, e, te),
  Y("mousedown", t),
  Y("load", y)),
  ne.destroy = function() {
      i && i.disconnect(),
      A(oe, e),
      A("mousedown", t),
      A("keydown", x),
      A("resize", c),
      A("load", y)
  }
  ,
  window.SmoothScrollOptions && ne(window.SmoothScrollOptions),
  "function" == typeof define && define.amd ? define(function() {
      return ne
  }) : "object" == typeof exports ? module.exports = ne : window.SmoothScroll = ne
}();