<template>
  <div class="min-h-screen bg-gray-900 text-white">
    <!-- 英雄区域 -->
    <section class="relative py-20 overflow-hidden">
      <div class="absolute inset-0 bg-[radial-gradient(circle_at_top_right,_rgba(79,70,229,0.15),_transparent_70%)]"></div>
      <div class="container mx-auto px-4 relative z-10">
        <div class="max-w-3xl mx-auto text-center">
          <div class="inline-block px-3 py-1 rounded-full bg-gray-800 text-green-400 mb-6">
            由AI驱动的智能投资平台
          </div>
          <h1 class="text-4xl md:text-5xl lg:text-6xl font-bold mb-6 leading-tight">
            The Most Powerful AI Platform for <span class="text-transparent bg-clip-text bg-gradient-to-r from-green-400 to-blue-500">Smarter Investment</span>
          </h1>
          <p class="text-xl mb-10 max-w-2xl mx-auto text-gray-400">
            利用人工智能技术分析市场趋势，提供精准选股建议，帮助投资者做出更明智的决策
          </p>
          <div class="flex flex-col sm:flex-row justify-center gap-4">
            <button class="px-8 py-4 rounded-xl bg-gradient-to-r from-green-500 to-blue-600 hover:opacity-90 transition-opacity text-lg font-medium" @click="handleStartUsing">
              开始使用
            </button>
            <button class="px-8 py-4 rounded-xl bg-gray-800 hover:bg-gray-700 transition-colors">
              <svg xmlns="http://www.w3.org/2000/svg" class="h-6 w-6 inline mr-2" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M14.752 11.168l-3.197-2.132A1 1 0 0010 9.87v4.263a1 1 0 001.555.832l3.197-2.132a1 1 0 000-1.664z" />
                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
              </svg>
              观看演示
            </button>
          </div>
        </div>
      </div>
    </section>

    <!-- 核心功能模块 -->
    <section id="features" class="py-20 bg-gray-900 border-t border-gray-800">
      <div class="container mx-auto px-4">
        <div class="text-center mb-16">
          <div class="inline-block px-3 py-1 rounded-full bg-gray-800 text-blue-400 mb-4">
            核心功能
          </div>
          <h2 class="text-3xl md:text-4xl font-bold mb-6">AI驱动的智能股票分析与投资决策平台</h2>
          <p class="text-xl max-w-3xl mx-auto text-gray-400">
            集成五大核心功能模块，提供全方位的股票数据分析与投资决策支持
          </p>
        </div>

        <div class="grid md:grid-cols-2 lg:grid-cols-3 gap-8">
          <!-- 每日股票推荐 -->
          <div class="bg-gray-800/50 border border-gray-800 rounded-2xl p-6 hover:border-blue-500/50 transition-all group">
            <div class="w-14 h-14 rounded-xl bg-blue-500/20 flex items-center justify-center mb-6 group-hover:bg-blue-500/30 transition-colors">
              <svg xmlns="http://www.w3.org/2000/svg" class="h-7 w-7 text-blue-400" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2" />
              </svg>
            </div>
            <h3 class="text-xl font-bold mb-3">每日股票推荐</h3>
            <p class="text-gray-400 mb-4">
              基于机器学习算法，每日推送潜力股票推荐列表，结合市场趋势与历史数据分析，助您把握投资机会。
            </p>
            <ul class="space-y-2 text-sm text-gray-400">
              <li class="flex items-center gap-2"><span class="text-green-400">✓</span> 多因子模型评估</li>
              <li class="flex items-center gap-2"><span class="text-green-400">✓</span> 风险收益比分析</li>
              <li class="flex items-center gap-2"><span class="text-green-400">✓</span> 行业分布均衡推荐</li>
            </ul>
          </div>

          <!-- 技术分析 -->
          <div class="bg-gray-800/50 border border-gray-800 rounded-2xl p-6 hover:border-green-500/50 transition-all group">
            <div class="w-14 h-14 rounded-xl bg-green-500/20 flex items-center justify-center mb-6 group-hover:bg-green-500/30 transition-colors">
              <svg xmlns="http://www.w3.org/2000/svg" class="h-7 w-7 text-green-400" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 19v-6a2 2 0 00-2-2H5a2 2 0 00-2 2v6a2 2 0 002 2h2a2 2 0 002-2zm0 0V9a2 2 0 012-2h2a2 2 0 012 2v10m-6 0a2 2 0 002 2h2a2 2 0 002-2v-6a2 2 0 00-2-2h-2a2 2 0 00-2 2v6z" />
              </svg>
            </div>
            <h3 class="text-xl font-bold mb-3">技术分析</h3>
            <p class="text-gray-400 mb-4">
              提供专业级股票技术分析图表，支持多种技术指标与周期切换，帮助您深入分析股票走势与市场情绪。
            </p>
            <ul class="space-y-2 text-sm text-gray-400">
              <li class="flex items-center gap-2"><span class="text-green-400">✓</span> 实时K线图与指标</li>
              <li class="flex items-center gap-2"><span class="text-green-400">✓</span> 多周期技术分析</li>
              <li class="flex items-center gap-2"><span class="text-green-400">✓</span> 技术形态识别</li>
            </ul>
          </div>

          <!-- 用户设置股票 -->
          <div class="bg-gray-800/50 border border-gray-800 rounded-2xl p-6 hover:border-purple-500/50 transition-all group">
            <div class="w-14 h-14 rounded-xl bg-purple-500/20 flex items-center justify-center mb-6 group-hover:bg-purple-500/30 transition-colors">
              <svg xmlns="http://www.w3.org/2000/svg" class="h-7 w-7 text-purple-400" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M17 8h2a2 2 0 012 2v6a2 2 0 01-2 2h-2v4l-4-4H9a1.994 1.994 0 01-1.414-.586m0 0L11 14h4a2 2 0 002-2V6a2 2 0 00-2-2H5a2 2 0 00-2 2v6a2 2 0 002 2h2v4l.586-.586z" />
              </svg>
            </div>
            <h3 class="text-xl font-bold mb-3">用户设置股票</h3>
            <p class="text-gray-400 mb-4">
              个性化股票关注列表管理，支持添加、删除和分组管理关注股票，实时追踪您关心的市场动态。
            </p>
            <ul class="space-y-2 text-sm text-gray-400">
              <li class="flex items-center gap-2"><span class="text-green-400">✓</span> 自定义关注列表</li>
              <li class="flex items-center gap-2"><span class="text-green-400">✓</span> 股票分组管理</li>
              <li class="flex items-center gap-2"><span class="text-green-400">✓</span> 快速访问与排序</li>
            </ul>
          </div>

          <!-- 添加指标 -->
          <div class="bg-gray-800/50 border border-gray-800 rounded-2xl p-6 hover:border-yellow-500/50 transition-all group">
            <div class="w-14 h-14 rounded-xl bg-yellow-500/20 flex items-center justify-center mb-6 group-hover:bg-yellow-500/30 transition-colors">
              <svg xmlns="http://www.w3.org/2000/svg" class="h-7 w-7 text-yellow-400" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2" />
              </svg>
            </div>
            <h3 class="text-xl font-bold mb-3">添加指标</h3>
            <p class="text-gray-400 mb-4">
              灵活的技术指标自定义功能，支持添加MACD、RSI、KDJ等多种技术指标，自定义参数与显示样式。
            </p>
            <ul class="space-y-2 text-sm text-gray-400">
              <li class="flex items-center gap-2"><span class="text-green-400">✓</span> 30+技术指标支持</li>
              <li class="flex items-center gap-2"><span class="text-green-400">✓</span> 自定义指标参数</li>
              <li class="flex items-center gap-2"><span class="text-green-400">✓</span> 多指标组合分析</li>
            </ul>
          </div>

          <!-- 订阅股票的技术信号提醒 -->
          <div class="bg-gray-800/50 border border-gray-800 rounded-2xl p-6 hover:border-red-500/50 transition-all group md:col-span-2 lg:col-span-1">
            <div class="w-14 h-14 rounded-xl bg-red-500/20 flex items-center justify-center mb-6 group-hover:bg-red-500/30 transition-colors">
              <svg xmlns="http://www.w3.org/2000/svg" class="h-7 w-7 text-red-400" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 17h5l-1.405-1.405A2.032 2.032 0 0118 14.158V11a6.002 6.002 0 00-4-5.659V5a2 2 0 10-4 0v.341C7.67 6.165 6 8.388 6 11v3.159c0 .538-.214 1.055-.595 1.436L4 17h5m6 0v1a3 3 0 11-6 0v-1m6 0H9" />
              </svg>
            </div>
            <h3 class="text-xl font-bold mb-3">技术信号提醒</h3>
            <p class="text-gray-400 mb-4">
              智能技术信号监测系统，支持自定义股票信号条件，实时推送买卖点提醒，不错过任何投资机会。
            </p>
            <ul class="space-y-2 text-sm text-gray-400">
              <li class="flex items-center gap-2"><span class="text-green-400">✓</span> 自定义信号条件</li>
              <li class="flex items-center gap-2"><span class="text-green-400">✓</span> 实时推送提醒</li>
              <li class="flex items-center gap-2"><span class="text-green-400">✓</span> 历史信号回溯</li>
            </ul>
          </div>
        </div>
      </div>
    </section>
  </div>
</template>

<script>
export default {
  name: 'LandingPage',
  methods: {
    handleStartUsing() {
      // 检查用户登录状态
      const isLoggedIn = localStorage.getItem('isLoggedIn') === 'true';
      if (isLoggedIn) {
        this.$router.push('/app');
      } else {
        this.$router.push('/sign-up');
      }
    }
  }
}
</script>