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<!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <style> * { box-sizing: border-box; } .col-container { display: table; width: 100%; } .col { display: table-cell; padding: 16px; } @media only screen and (max-width: 600px) { .col { display: block; width: 100%; } } </style> </head> <body> <h1>响应式等高列</h1> <p>调整浏览器窗口大小可查看结果。当屏幕宽度小于 600px 时，列将自动堆叠。</p> <div class="col-container"> <div class="col" style="background:orange"> <h2>列 1</h2> <p>Hello World</p> </div> <div class="col" style="background:yellow"> <h2>列 2</h2> <p>Hello World!</p> <p>Hello World!</p> <p>Hello World!</p> <p>Hello World!</p> </div> <div class="col" style="background:orange"> <h2>列 3</h2> <p>Some other text..</p> <p>Some other text..</p> </div> </div> </body> </html>