微件:ScrollText

<style> .scroll-text {

 position: relative;
 overflow: hidden;
 display: flex;
 align-items: flex-start;

}

.scroll-text .scroll-text-content {

 word-wrap: break-word;
 word-break: break-all;
 position: relative;
 width: 100%;
 text-align: center;
 animation: scrollText linear infinite;

}

.scroll-text .scroll-text-content:hover {

 animation-play-state: paused;

} </style>

<script> (function() {

 var processedElements = new WeakSet();
 
 function initScroll() {
   var wrappers = document.querySelectorAll('.scroll-text');
   
   wrappers.forEach(function(wrapper, index) {
     // 跳过已处理的元素
     if (processedElements.has(wrapper)) {
       return;
     }
     
     var content = wrapper.querySelector('.scroll-text-content');
     if (!content) {
       return;
     }
     
     // 检查元素是否可见
     var rect = wrapper.getBoundingClientRect();
     if (rect.width === 0 || rect.height === 0) {
       return; // 元素不可见，跳过
     }
     
     processedElements.add(wrapper);
     
     var speed = parseFloat(content.getAttribute('data-speed')) || 10;
     var animationName = 'scrollText-' + index + '-' + Date.now();
     
     setTimeout(function() {
       var contentHeight = content.scrollHeight;
       var wrapperHeight = wrapper.offsetHeight;
       var scrollDistance = contentHeight - wrapperHeight;
       
       // 如果内容未超出容器高度，不需要滚动
       if (scrollDistance <= 0) {
         return;
       }
       
       var styleId = 'scroll-text-animation-' + index + '-' + Date.now();
       
       var style = document.createElement('style');
       style.id = styleId;
       style.textContent = `
         @keyframes ${animationName} {
           0% { 
             transform: translateY(0); 
           }
           100% { 
             transform: translateY(-${scrollDistance}px); 
           }
         }
       `;
       document.head.appendChild(style);
       
       var text = content.textContent || content.innerText;
       var charCount = text.replace(/\s+/g, ).length;
       var duration = Math.max(speed, charCount / 8);
       content.style.animationName = animationName;
       content.style.animationDuration = duration + 's';
     }, 50);
   });
 }
 
 // 监听 DOM 变化（模态框打开时触发）
 var observer = new MutationObserver(function(mutations) {
   var shouldInit = false;
   mutations.forEach(function(mutation) {
     if (mutation.type === 'attributes' && mutation.attributeName === 'style') {
       var target = mutation.target;
       if (target.classList.contains('card-modal') && target.style.display === 'block') {
         shouldInit = true;
       }
     }
     if (mutation.addedNodes.length > 0) {
       shouldInit = true;
     }
   });
   
   if (shouldInit) {
     setTimeout(initScroll, 100);
   }
 });
 
 observer.observe(document.body, {
   childList: true,
   subtree: true,
   attributes: true,
   attributeFilter: ['style']
 });
 
 // 初始加载
 if (document.readyState === 'loading') {
   document.addEventListener('DOMContentLoaded', function() {
     setTimeout(initScroll, 100);
   });
 } else {
   setTimeout(initScroll, 100);
 }
 
 // MediaWiki 钩子支持
 if (typeof mw !== 'undefined' && mw.hook) {
   mw.hook('wikipage.content').add(function() {
     setTimeout(initScroll, 100);
   });
 }

})(); </script>