$(document).ready(function () {
  // 杩斿洖椤堕儴
  const backTop = document.querySelector("#backToTop");
  if (backTop) {
    window.addEventListener("scroll", function () {
      const n = document.documentElement.scrollTop;
      backTop.style.opacity = n >= 300 ? 1 : 0;
    });
    backTop.addEventListener("click", function () {
      document.documentElement.scrollTop = 0;
    });
  }
  // 鑿滃崟
  $(".auto-dropdown").hover(
    function () {
      $(this).addClass("open");
    },
    function () {
      $(this).removeClass("open");
    }
  );
  //搴曢儴绀句氦
  $("#uiSocial .items .item").mouseenter(function () {
    $(this).css("height", "160px");
    setHL(this, 160);
    setHR(this, 160);
  });
  $("#uiSocial .items .item").mouseleave(function () {
    // 榧犳爣绂诲紑鏃跺皢鎵€鏈塪iv鐨勯珮搴﹁繕鍘
    // $("#uiSocial .items .item").css("height", "40px");
  });
  setImagesCenter();
  if (isMobileBrowser() || isWechatBrowser()) {
    resizeImages();
  }
});
//宸︿晶楂樹綆閫掑噺
function setHL(cur, height) {
  var pre = cur.previousElementSibling;
  if (pre !== null) {
    var h = height - 40;
    if (h < 40) {
      h = 40;
    }
    pre.style.height = h + "px";
    setHL(pre, h);
  }
}
//鍙充晶楂樺害閫掑噺
function setHR(cur, height) {
  var pre = cur.nextElementSibling;
  if (pre !== null) {
    var h = height - 40;
    if (h < 40) {
      h = 40;
    }
    pre.style.height = h + "px";
    setHR(pre, h);
  }
}
// 瀹氫箟涓€涓嚱鏁扮敤鏉ヨ皟鏁村浘鐗囧ぇ灏
function resizeImages() {
  $("#docContent img").each(function () {
    $(this).removeAttr("width");
    $(this).removeAttr("height");
    $(this).attr("style", "max-width: 100%; display: block; margin-left: auto; margin-right: auto;");
  });
}
function setImagesCenter() {
  $("#docContent img").each(function () {
    $(this).attr("style", "display: block; margin-left: auto; margin-right: auto;");
  });
}
// 鍒ゆ柇鏄惁鏄墜鏈烘祻瑙堝櫒璁块棶
function isMobileBrowser() {
  return /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(
    navigator.userAgent
  );
}

// 鍒ゆ柇鏄惁鏄井淇℃祻瑙堝櫒璁块棶
function isWechatBrowser() {
  return /MicroMessenger/i.test(navigator.userAgent);
}