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<title>Radial Gradient Background</title>
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<body style="background: radial-gradient(circle, #6d96aa, #2a556b);">
<h1>這是一個帶有徑向漸變背景的頁面</h1>
<p>背景顏色從 #6d96aa 以圓形徑向漸變到 #2a556b。</p>
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