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<!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <style> * { box-sizing: border-box; } /* 创建两个不等的列并并排浮动 */ .column { float: left; padding: 10px; height: 300px; /* 应该移除。仅用于演示 */ } .left { width: 25%; } .right { width: 75%; } /* 在列之后清除浮动 */ .row:after { content: ""; display: table; clear: both; } </style> </head> <body> <h2>两个不等宽的列</h2> <div class="row"> <div class="column left" style="background-color:#aaa;"> <h2>列 1</h2> <p>一些文本..</p> </div> <div class="column right" style="background-color:#bbb;"> <h2>列 2</h2> <p>一些文本..</p> </div> </div> </body> </html>