-20 -left-20"></div>
            <div class="absolute w-80 h-80 rounded-full bg-blue-400 opacity-10 -bottom-40 -right-20"></div>
            <div class="absolute w-40 h-40 rounded-full bg-yellow-400 opacity-5 top-1/2 right-1/4"></div>
        </div>
        <!-- Header -->
        <div class="relative z-10 px-16 pt-10">
            <h1 class="text-4xl font-bold text-white mb-2">课程目标与受众分析</h1>
            <div class="w-24 h-1 bg-yellow-400 mb-8"></div>
        </div>
        <!-- Main Conte