背景图可以设置纯色也可以设置图片
板块透明度也可以改
有几个板块还没做完，不过能用了
不会用私我

// ==UserScript==
// @name         洛谷
// @namespace    http://tampermonkey.net/
// @version      2024-08-20
// @description  try to take over the world!
// @author       perry6632
// @match        https://www.luogu.com.cn/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=cnblogs.com
// @grant        none
// ==/UserScript==

(function() {
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      if(a){
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      var b=document.getElementsByClassName("lg-article");
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          for(let i=0;i<b.length;i++){
              b[i].style.backgroundColor="rgba(255,255,255,1)";
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      var d=document.getElementsByClassName("card");
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      d=document.getElementsByClassName("user-header-top");
      if(d){
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      d=document.getElementsByClassName("am-panel");
      if(d){
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      d=document.getElementsByClassName("test-case");
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              d[i].style.borderRadius="10px";
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      d=document.getElementsByClassName("am-btn");
      if(d){
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                  f[i].style.marginTop="12px";
                  f[i].style.backgroundColor="rgba(255,255,255,1)";//header
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      f=document.getElementsByClassName("header-logo");
      if(f){
          for(let i=0;i<f.length;i++){
              f[i].style.width="80px";
              f[i].style.height="40px";
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      setTimeout(fn,10)
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    fn()

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