타임라인 구성 요소

<div class="container mx-auto px-4 py-8">
  <h2 class="text-2xl font-bold text-gray-800 dark:text-white mb-8 text-center">Project Timeline</h2>

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        <h3 class="mb-3 font-bold text-gray-800 dark:text-white text-xl">Phase 1: Planning</h3>
        <p class="text-sm leading-snug tracking-wide text-gray-900 dark:text-gray-300 text-opacity-100">Initial project scope definition, requirements gathering, and resource allocation.</p>
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    <div class="mb-8 flex justify-between flex-row-reverse items-center w-full left-timeline">
      <div class="order-1 w-5/12"></div>
      <div class="z-20 flex items-center order-1 bg-green-600 shadow-xl w-8 h-8 rounded-full"></div>
      <div class="order-1 bg-gray-100 dark:bg-gray-700 rounded-lg shadow-xl w-5/12 px-6 py-4">
        <h3 class="mb-3 font-bold text-gray-800 dark:text-white text-xl">Phase 2: Development</h3>
        <p class="text-sm leading-snug tracking-wide text-gray-900 dark:text-gray-300 text-opacity-100">Building the core features and functionalities based on the defined requirements.</p>
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    <div class="mb-8 flex justify-between items-center w-full right-timeline">
      <div class="order-1 w-5/12"></div>
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      <div class="order-1 bg-gray-100 dark:bg-gray-700 rounded-lg shadow-xl w-5/12 px-6 py-4">
        <h3 class="mb-3 font-bold text-gray-800 dark:text-white text-xl">Phase 3: Testing</h3>
        <p class="text-sm leading-snug tracking-wide text-gray-900 dark:text-gray-300 text-opacity-100">Comprehensive testing to identify and fix bugs and ensure quality.</p>
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    <div class="mb-8 flex justify-between flex-row-reverse items-center w-full left-timeline">
      <div class="order-1 w-5/12"></div>
      <div class="z-20 flex items-center order-1 bg-red-600 shadow-xl w-8 h-8 rounded-full"></div>
      <div class="order-1 bg-gray-100 dark:bg-gray-700 rounded-lg shadow-xl w-5/12 px-6 py-4">
        <h3 class="mb-3 font-bold text-gray-800 dark:text-white text-xl">Phase 4: Deployment</h3>
        <p class="text-sm leading-snug tracking-wide text-gray-900 dark:text-gray-300 text-opacity-100">Releasing the project to the production environment.</p>
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    <div class="mb-8 flex justify-between items-center w-full right-timeline">
      <div class="order-1 w-5/12"></div>
      <div class="z-20 flex items-center order-1 bg-purple-600 shadow-xl w-8 h-8 rounded-full"></div>
      <div class="order-1 bg-gray-100 dark:bg-gray-700 rounded-lg shadow-xl w-5/12 px-6 py-4">
        <h3 class="mb-3 font-bold text-gray-800 dark:text-white text-xl">Phase 5: Maintenance</h3>
        <p class="text-sm leading-snug tracking-wide text-gray-900 dark:text-gray-300 text-opacity-100">Ongoing support, updates, and bug fixes.</p>
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