<!-- src/views/pc/index.vue -->
<template>
  <div class="pc-home">
    <!-- 第一屏：全屏轮播 -->
    <div class="first-screen">
      <div class="carousel-wrapper">
        <a-carousel autoplay :autoplay-speed="5000" arrows dots-class="slick-dots slick-thumb">
          <div class="carousel-item">
            <video src="./video/9c4a6c72df9f8a4f6b013003cb2f6bd5.mp4" autoplay loop muted playsinline></video>
            <div class="carousel-content">
              <h1 class="animate-slide-in slideTitle">我们的愿景</h1>
              <p class="animate-slide-in delay-1 slideintro">成为全球企业信赖的能碳管理伙伴定义智慧零碳时代新标准</p>
              <p class="animate-slide-in delay-2 englishFont">BECOME A TRUSTED PARTNER IN ENERGY AND CARBON MANAGEMENT
                FOR GLOBAL ENTERPRISES; DEFINE THE NEW STANDARDS FOR THE ERA OF SMART ZERO CARBON.</p>
            </div>
          </div>
          <div class="carousel-item">
            <video src="https://ec-resource20.oss-cn-shanghai.aliyuncs.com/ec_official_website/3_2.mp4" autoplay loop
              muted playsinline></video>
            <!-- <div class="carousel-content">
              <h1 class="animate-slide-in">可持续发展</h1>
              <p class="animate-slide-in delay-1">推动绿色能源转型</p>
              <a-button class="animate-slide-in delay-2" type="primary" size="large">
                探索方案
              </a-button>
            </div> -->
          </div>
          <div class="carousel-item">
            <video src="https://ec-resource20.oss-cn-shanghai.aliyuncs.com/ec_official_website/3_3.mp4" autoplay loop
              muted playsinline></video>
            <!-- <div class="carousel-content">
              <h1 class="animate-slide-in">创新科技</h1>
              <p class="animate-slide-in delay-1">打造环保解决方案</p>
              <a-button class="animate-slide-in delay-2" type="primary" size="large">
                查看案例
              </a-button>
            </div> -->
          </div>
        </a-carousel>
      </div>

      <!-- 向下滚动指示器 -->
      <div class="scroll-indicator" @click="scrollToNext">
        <DownOutlined />
      </div>
    </div>

    <!-- 第二屏：核心产品 -->
    <div class="second-screen" ref="secondScreenRef">
      <div class="container">
        <div class="content-section animate-fade-in-up">
          <h2>
            <img src="./../../assets/images/point.png" />
            <span>核心产品</span>
          </h2>
          <ul class="core-products animate-fade-in-up">
            <li>AI智控</li>
            <li>高效节能</li>
            <li>能碳双控</li>
            <li>绿色低碳</li>
          </ul>
        </div>
        <div class="services-section">
          <a-row :gutter="[16, 16]" class="serviceList">
            <a-col :span="12">
              <div class="service-card animate-fade-in-up delay-1">
                <h3>全生命周期产品碳足迹平台</h3>
              </div>
            </a-col>
            <a-col :span="12">
              <div class="service-card animate-fade-in-up delay-2">
                <h3>城市级能碳平台</h3>
              </div>
            </a-col>
          </a-row>
          <a-row :gutter="[16, 16]" class="serviceList2">
            <a-col :span="6">
              <div class="service-card animate-fade-in-up delay-3">
                <h3>城市级能碳平台</h3>
              </div>
            </a-col>
            <a-col :span="6">
              <div class="service-card animate-fade-in-up delay-4">
                <h3>工业锅炉节能器</h3>
              </div>
            </a-col>
            <a-col :span="6">
              <div class="service-card animate-fade-in-up delay-5">
                <h3>FMCS智能工业平台</h3>
              </div>
            </a-col>
            <a-col :span="6">
              <div class="service-card animate-fade-in-up delay-6">
                <h3>ESG绿色认证咨询</h3>
              </div>
            </a-col>
          </a-row>
        </div>
      </div>
    </div>
    <!-- 第三屏：AI+智能节能技术 -->
    <div class="three-screen" ref="threeScreenRef">
      <div class="container">
        <div class="content-section animate-fade-in-up">
          <h2>
            <img src="./../../assets/images/point.png" />
            <span>AI+智能节能技术</span>
          </h2>
          <p>为客户提供多场景中长期智慧能源战略规划，包括AIoT能源管理系统与低碳技术集成</p>
        </div>
        <!-- 横向循环焦点图展示 轮播图 -->
        <div class="carousel-section">
          <div class="carousel-container">
            <div class="carousel-wrapper" ref="carouselWrapper">
              <div v-for="(item, index) in carouselItems" :key="index" class="carousel-item"
                :class="{ active: index === currentIndex }" @click="selectItem(index)">
                <img :src="item.image" :alt="item.title" />
                <div class="item-info" v-if="index === currentIndex">
                  <h3>{{ item.title }}</h3>
                  <p>{{ item.description }}</p>
                </div>
              </div>
            </div>
          </div>
        </div>
      </div>
    </div>
    <!-- 第四屏 -应用场景 -->
    <div class="screens-four">
      <div class="container">
        <div class="content-section animate-fade-in-up">
          <h2>
            <img src="./../../assets/images/point.png" />
            <span>应用场景</span>
          </h2>
          <p>融合智能感知与认知计算，全面提升运营效率与决策智能化水平</p>
        </div>
        <!-- 横向滚动屏 -->
        <div class="carousel-section">
          <a-carousel arrows dots-class="slick-dots slick-thumb" class="tech-carousel">
            <div v-for="(item, index) in carouselItems" :key="index" class="carousel-slide">
              <div class="slide-content">
                <img :src="item.image" :alt="item.title" />
                <div class="item-info">
                  <h3>{{ item.title }}</h3>
                  <p>{{ item.description }}</p>
                </div>
              </div>
            </div>
          </a-carousel>
        </div>
      </div>
    </div>
    <!--第五屏 合作伙伴 -->
    <div class="partner-screens">
      <div class="container">
        <div class="content-section animate-fade-in-up">
          <h2>
            <img src="./../../assets/images/point.png" />
            <span>合作伙伴</span>
          </h2>
          <p>与您携手共赢,共同创造美好未来</p>
          <h4>
            <line></line>荣誉资质<line></line>
          </h4>
          <div class="partner-img">
            <p><span>ISO9001认证</span></p>
            <p><span>ISO45001认证</span></p>
            <p><span>ISO14001认证</span></p>
          </div>
          <h4 class="partner-title">
            <line></line>客户及战略伙伴<line></line>
          </h4>

        </div>
      </div>
      <div class="partnerImgAll animate-fade-in-up">
        <img src="../../assets/images/partercomp.png" alt="">
      </div>
    </div>
    <!--第六屏 新闻资讯 -->
    <div class="other-screens">
      <div class="container">
        <div class="content-section animate-fade-in-up">
          <h2>
            <img src="./../../assets/images/point.png" />
            <span>新闻资讯</span>
          </h2>
          <p class="desc">了解最新行业资讯 把握市场最新动向</p>
          <div class="content">
            <div class="lt">
              <div class="img"><img src="./../../assets/images/news.png" /></div>
              <p class="title">降本增效新引擎：AI如何实现能源的精细化管理与数智变革？</p>
              <p class="nr">在能源革命和数字化转型的双重驱动下，能源精细化管理已成为企业节能降碳、实现可持续发展的必然选择...</p>
            </div>
            <div class="rt">
              <ul>
                <!-- <li>
                  <div class="newslt">
                    <h4>12</h4>
                    <p>2025.09</p>
                  </div>
                  <div class="newsrt">
                    <h4>降本增效新引擎：AI如何实现能源的精细化管理与数智变革？</h4>
                    <p>在能源革命和数字化转型的双重驱动下，能源精细化管理已成为企业节能降碳、实现可持续发展的必然选择...</p>
                  </div>
                </li> -->
                <!-- <li>
                  <div class="newslt">
                    <h4>10</h4>
                    <p>2025.09</p>
                  </div>
                  <div class="newsrt">
                    <h4>降本增效新引擎：AI如何实现能源的精细化管理与数智变革？</h4>
                    <p>在能源革命和数字化转型的双重驱动下，能源精细化管理已成为企业节能降碳、实现可持续发展的必然选择...</p>
                  </div>
                </li>
                <li>
                  <div class="newslt">
                    <h4>15</h4>
                    <p>2025.09</p>
                  </div>
                  <div class="newsrt">
                    <h4>降本增效新引擎：AI如何实现能源的精细化管理与数智变革？</h4>
                    <p>在能源革命和数字化转型的双重驱动下，能源精细化管理已成为企业节能降碳、实现可持续发展的必然选择...</p>
                  </div>
                </li> -->
                <li v-for="item in newsList" :key="item.id">
                  <div class="newslt">
                    <h4>{{ item.date.substring(8, 10) }}</h4>
                    <p>{{ item.date.substring(0, 8) }}</p>
                  </div>
                  <div class="newsrt">
                    <h4>{{ item.title }}</h4>
                    <p>{{ item.description }}</p>
                  </div>
                </li>
              </ul>
            </div>
          </div>
        </div>
      </div>
    </div>
  </div>
</template>

<script setup lang="ts">
import { ref, onMounted, onBeforeUnmount, nextTick } from 'vue'
import { DownOutlined } from '@ant-design/icons-vue'
// 静态导入所有图片
import carouse1 from './../../assets/images/carouse1.png'
import carouse2 from './../../assets/images/carouse2.png'
import carouse3 from './../../assets/images/carouse3.png'
import carouse4 from './../../assets/images/carouse4.png'
import carouse5 from './../../assets/images/carouse5.png'

// 新闻数据
// 新闻数据
const newsList = ref([
  {
    id: 1,
    date: '2025-09-01',
    title: '降本增效新引擎：AI如何实现能源的精细化管理与数智变革？',
    description: '在能源革命和数字化转型的双重驱动下，能源精细化管理已成为企业节能降碳、实现可持续发展的必然选择...'
  },
  {
    id: 2,
    date: '2025-09-04',
    title: '降本增效新引擎：AI如何实现能源的精细化管理与数智变革？',
    description: '在能源革命和数字化转型的双重驱动下，能源精细化管理已成为企业节能降碳、实现可持续发展的必然选择...'
  },
  {
    id: 3,
    date: '2025-09-15',
    title: '降本增效新引擎：AI如何实现能源的精细化管理与数智变革？',
    description: '在能源革命和数字化转型的双重驱动下，能源精细化管理已成为企业节能降碳、实现可持续发展的必然选择...'
  }
])

const secondScreenRef = ref<HTMLElement | null>(null)
const observer = ref<IntersectionObserver | null>(null)
/************************第三屏轮播图片*************************** */
// 轮播图数据
const carouselItems = ref([
  {
    image: carouse1,
    title: '智能能源管理',
    description: '通过AI技术实现能源使用优化'
  },
  {
    image: carouse2,
    title: '碳足迹追踪',
    description: '全生命周期碳排放监控与分析'
  },
  {
    image: carouse3,
    title: '绿色工厂解决方案',
    description: '工业4.0背景下的低碳生产模式'
  },
  {
    image: carouse4,
    title: '城市能源互联网',
    description: '构建智慧城市的能源生态系统'
  },
  {
    image: carouse5,
    title: '可再生能源集成',
    description: '风光储一体化解决方案'
  }
])

const currentIndex = ref(0)
const carouselWrapper = ref(null)

// 选择图片
const selectItem = (index) => {
  currentIndex.value = index
  centerActiveItem()
}
// 居中显示当前选中项
const centerActiveItem = () => {
  nextTick(() => {
    if (carouselWrapper.value) {
      const activeItem = carouselWrapper.value.querySelector('.carousel-item.active')
      if (activeItem) {
        const containerWidth = carouselWrapper.value.offsetWidth
        const itemWidth = activeItem.offsetWidth
        const itemLeft = activeItem.offsetLeft
        const scrollLeft = itemLeft - (containerWidth - itemWidth) / 2
        carouselWrapper.value.scrollTo({
          left: scrollLeft,
          behavior: 'smooth'
        })
      }
    }
  })
}




// 滚动到下一屏
const scrollToNext = () => {
  const nextScreen = document.querySelector('.second-screen')
  if (nextScreen) {
    window.scrollTo({
      top: nextScreen.offsetTop,
      behavior: 'smooth'
    })
  }
}

// 初始化 Intersection Observer
const initIntersectionObserver = () => {
  observer.value = new IntersectionObserver((entries) => {
    entries.forEach(entry => {
      if (entry.isIntersecting) {
        entry.target.classList.add('visible')
      }
    })
  }, {
    threshold: 0.1
  })

  // 观察所有需要动画的元素
  const animateElements = document.querySelectorAll('.animate-fade-in-up, .animate-slide-in')
  animateElements.forEach(el => {
    observer.value?.observe(el)
  })
}

onMounted(() => {
  initIntersectionObserver()
})

onBeforeUnmount(() => {
  if (observer.value) {
    observer.value.disconnect()
  }
})
</script>

<style lang="less" scoped>
@import 'style/index.less';

.tech-carousel {
  :deep(.slick-slide) {
    padding: 0 10px;

    .slide-content {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;

      img {
        width: 100%;
        max-width: 300px;
        height: auto;
        border-radius: 8px;
      }

      .item-info {
        margin-top: 20px;

        h3 {
          font-size: 18px;
          margin-bottom: 10px;
        }

        p {
          font-size: 14px;
          color: #666;
        }
      }
    }
  }
}
</style>