<template>
  <div class="welcome-page">
    <!-- 导航栏 -->
    <header class="navbar">
      <div class="navbar-content">
        <div class="logo">
          <img src="/images/backgrounds/logo.svg" alt="Logo" />
        </div>
        <nav class="nav-links">
          <a href="#" class="nav-link" @click.prevent="goToTextToVideo">{{ $t('welcome.textToVideo') }}</a>
          <a href="#" class="nav-link" @click.prevent="goToImageToVideo">{{ $t('welcome.imageToVideo') }}</a>
          <a href="#" class="nav-link" @click.prevent="goToStoryboardVideo">{{ $t('welcome.storyboardVideo') }}</a>
          <a href="#" class="nav-link" @click="scrollToSection('features')">{{ $t('welcome.pricing') }}</a>
        </nav>
        <button class="nav-button" @click="goToLogin">{{ $t('welcome.startExperience') }}</button>
      </div>
    </header>

    <!-- 主要内容 -->
    <main class="content">
      <h1 class="title">
        <span class="title-line">
          <span class="bright-text">{{ $t('welcome.title1') }}</span><span class="fade-text">{{ $t('welcome.title2') }}</span>
        </span>
        <span class="title-line">
          <span class="bright-text">{{ $t('welcome.title3') }}</span><span class="fade-text">{{ $t('welcome.title4') }}</span>
        </span>
      </h1>
      <p class="subtitle">{{ $t('welcome.subtitle') }}</p>
      <button class="main-button" @click="goToLogin">{{ $t('welcome.tryNow') }}</button>
    </main>

    <!-- 功能说明 -->
    <section id="features" class="features-section">
      <div class="features-container">
        <h2 class="features-title">{{ $t('welcome.coreFeatures') }}</h2>
        <div class="features-grid">
          <div class="feature-card" @click="goToTextToVideo" style="cursor: pointer;">
            <h3>{{ $t('welcome.textToVideo') }}</h3>
            <p>{{ $t('welcome.textToVideoDesc') }}</p>
          </div>
          <div class="feature-card" @click="goToImageToVideo" style="cursor: pointer;">
            <h3>{{ $t('welcome.imageToVideo') }}</h3>
            <p>{{ $t('welcome.imageToVideoDesc') }}</p>
          </div>
          <div class="feature-card" @click="goToStoryboardVideo" style="cursor: pointer;">
            <h3>{{ $t('welcome.storyboardVideo') }}</h3>
            <p>{{ $t('welcome.storyboardVideoDesc') }}</p>
          </div>
          <div class="feature-card">
            <h3>{{ $t('welcome.pricing') }}</h3>
            <p>{{ $t('welcome.pricingDesc') }}</p>
          </div>
        </div>
        <button class="features-button" @click="goToLogin">{{ $t('welcome.startCreating') }}</button>
      </div>
    </section>
  </div>
</template>

<script setup>
import { useRouter } from 'vue-router'

const router = useRouter()

// 跳转到登录页面
const goToLogin = () => {
  router.push('/login')
}

// 跳转到文生视频页面
const goToTextToVideo = () => {
  router.push('/text-to-video/create')
}

// 跳转到图生视频页面
const goToImageToVideo = () => {
  router.push('/image-to-video/create')
}

// 跳转到分镜视频页面
const goToStoryboardVideo = () => {
  router.push('/storyboard-video/create')
}

// 滚动到功能说明部分
const scrollToSection = (sectionId) => {
  const element = document.getElementById(sectionId)
  if (element) {
    element.scrollIntoView({ behavior: 'smooth' })
  }
}
</script>

<style scoped>
.welcome-page {
  min-height: 100vh;
  background: url('/images/backgrounds/welcome.jpg') center/cover no-repeat;
  position: relative;
  overflow: hidden;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* 导航栏 */
.navbar {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 95%;
  max-width: 1200px;
  background: rgba(26, 26, 46, 0.8);
  backdrop-filter: blur(10px);
  z-index: 1000;
  height: 60px;
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar-content {
  width: 100%;
  margin: 0 auto;
  padding: 0 20px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  height: 35px;
  width: auto;
}

.nav-links {
  display: flex;
  gap: 30px;
  margin-left: auto;
  margin-right: 15px;
}

.nav-link {
  color: white;
  text-decoration: none;
  font-size: 16px;
  font-weight: 400;
  transition: color 0.3s ease;
}

.nav-link:hover {
  color: #4a9eff;
}

.nav-button {
  background: rgba(74, 158, 255, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: white;
  padding: 10px 20px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.nav-button:hover {
  background: rgba(74, 158, 255, 1);
  transform: translateY(-2px);
}

/* 主要内容 */
.content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  text-align: center;
  padding-top: 80px;
  position: relative;
  z-index: 10;
}

.title {
  font-size: 6.5rem;
  font-weight: 700;
  color: white;
  line-height: 1.1;
  margin-bottom: 60px;
  letter-spacing: -0.03em;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.7);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.subtitle {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 40px;
  font-weight: 400;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.title-line {
  display: block;
  text-align: center;
  width: 100%;
}

.bright-text {
  color: white;
  opacity: 1;
}

.fade-text {
  color: white;
  opacity: 0.6;
}

.main-button {
  background: linear-gradient(90deg, rgba(74, 158, 255, 0.8) 0%, rgba(255, 255, 255, 0.9) 100%);
  border: none;
  color: white;
  padding: 22px 60px;
  border-radius: 50px;
  font-size: 22px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 6px 25px rgba(74, 158, 255, 0.3);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.main-button:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(74, 158, 255, 0.5);
}

.main-button:active {
  transform: translateY(-2px);
}

/* 背景光影效果已删除 */

/* 响应式设计 */
@media (max-width: 1024px) {
  .title {
    font-size: 5.5rem;
    margin-bottom: 50px;
  }
  .main-button {
    padding: 20px 50px;
    font-size: 20px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .title {
    font-size: 4rem;
    line-height: 1.2;
    margin-bottom: 40px;
  }
  .main-button {
    padding: 18px 40px;
    font-size: 18px;
  }
}

@media (max-width: 480px) {
  .title {
    font-size: 3rem;
    line-height: 1.3;
  }
  .main-button {
    padding: 16px 35px;
    font-size: 16px;
  }
}

/* 功能说明部分 */
.features-section {
  background: rgba(0, 0, 0, 0.8);
  padding: 80px 20px;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.features-container {
  max-width: 1200px;
  width: 100%;
  text-align: center;
}

.features-title {
  font-size: 3rem;
  color: white;
  margin-bottom: 60px;
  font-weight: 700;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-bottom: 60px;
}

.feature-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  padding: 40px 30px;
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-10px);
  background: rgba(255, 255, 255, 0.15);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature-card h3 {
  font-size: 1.5rem;
  color: white;
  margin-bottom: 15px;
  font-weight: 600;
}

.feature-card p {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
  font-size: 1rem;
}

.features-button {
  background: linear-gradient(135deg, #4A9EFF 0%, #6B73FF 100%);
  color: white;
  border: none;
  padding: 18px 40px;
  font-size: 1.1rem;
  font-weight: 600;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 10px 30px rgba(74, 158, 255, 0.3);
}

.features-button:hover {
  background: linear-gradient(135deg, #6B73FF 0%, #4A9EFF 100%);
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(74, 158, 255, 0.4);
}
</style>