body.intro-page {
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background-image: url('0.1.PNG');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  font-family: "Pacifico", cursive;
}

body.story-page {
  font-family: "Pacifico", cursive;
  background-color: white;
}

.welcome-container {
  color: rgb(247, 120, 192);
  display: flex;
  flex-direction: column; 
  justify-content: center;
  align-items: center;
  height: 100vh;
  text-align: center;
}

.zero-image {
  width: 260px; 
  height: auto;
  display: block;
  margin: 20px auto;
}

.welcome-container h1 {
  font-size: 48px;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin: 0;
  animation: fadeIn 2s ease-in-out;
}

.welcome-container .story-link {
  margin-top: 20px; 
  font-size: 18px;
  text-decoration: none;
  transition: color 0.3s ease;
}

.welcome-container .story-link:hover {
  color: white; 
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.footer-link {
  position: fixed;
  bottom: 10px; 
  left: 50%;   
  transform: translateX(-50%);
  color: white;
  font-size: 16px;
  text-decoration: none;
  background-color: rgba(0, 0, 0, 0.5); 
  padding: 10px 20px;
  border-radius: 5px;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.footer-link:hover {
  background-color: rgba(255, 255, 255, 0.8);
  color: black;
  transform: translateX(-50%) scale(1.1); 
}

header {
  background-color: #062d55;
  color: white;
  padding: 10px 0;
  text-align: center;
  position: fixed;
  width: 100%;
  top: 0;
  /* top */
  z-index: 1000;
}

section h2 {
  margin: 0 auto 10px auto; 
  text-align: center;
  font-size: 24px;
  color: black;
  position: relative;
  z-index: 2;
}

.parallax-image {
  position: absolute;  
  top: 350px;  
  left: 300px;
  width: 270px;
  height: auto;
  z-index: 6;  
  transition: all 0.3s ease;
  cursor: pointer;
}

.secondary-image {
  width: 280px; 
  height: auto;
  position: relative;
  z-index: 5;
  transform: translate(-70px, -50px);
}

.text1-image {
  width: 500px; 
  height: auto;
  position: relative;
  z-index: 5;
  transform: translate(230px, 50px);
}

/* 2 */
.img21-img {
  width: 330px;
  height: auto;
  position: absolute; 
  top: 150px; 
  left: 50%;   
  transform: translateX(-50%); 
  z-index: 1;
}

.img22-img {
  width: 260px;
  height: auto;
  position: absolute; 
  top: 300px;   
  left: 350px;     
  z-index: 2;
}

.text2-image{
  width: 450px; 
  height: auto;
  position: relative;
  z-index: 5;
  transform: translate(450px, 50px);
}
/* 3 */
.img31-img{
  width: 400px;
  height: auto;
  position: absolute; 
  top: 150px; 
  left: 50%;   
  transform: translateX(-50%); 
  z-index: 1;
}

.img32-img, .img33-img, .img34-img {
  position: absolute;
  z-index: 1;
  transition: opacity 0.3s ease;
}

.img32-hover, .img33-hover, .img34-hover {
  position: absolute;
  z-index: 3; 
  opacity: 0;  /* 保证 hover 图片一开始是透明的 */
  transition: opacity 0.3s ease; 
}

.img32-img {
  width: 230px;
  height: auto;
  top: 120px;
  left: 20%;
}

.img33-img {
  width: 150px;
  height: auto;
  top: 300px;
  left: 20%;
  transform: translateX(-50%);
}

.img34-img {
  width: 300px;
  height: auto;
  top: 500px;
  left: 40%;
  transform: translateX(-50%);
}

.img32-hover {
  width: 230px;
  height: auto;
  top: 120px;
  left: 20%;
}

.img33-hover {
  width: 150px;
  height: auto;
  top: 300px;
  left: 20%;
  transform: translateX(-50%);
}

.img34-hover {
  width: 300px;
  height: auto;
  top: 500px;
  left: 40%;
  transform: translateX(-50%);
}

.text3-image{
  width: 450px; 
  height: auto;
  position: relative;
  z-index: 5;
  transform: translate(420px, 50px);
}

.text3-image:hover {
  transform: translate(420px, 50px) scale(1.2); 
}

/* 4 */
.image4-layout {
  position: relative;
  height: 100vh;
  display: flex;
  justify-content: flex-end; 
  align-items: center;
  padding-right: 50px;
}

.img4-right {
  width: 550px;
  height: auto;
  position: absolute;
  left: 100px;
  top: 20%; 
  z-index: 1; 
}

.img4-center-right {
  width: 350px; 
  height: auto;
  position: absolute;
  left: 450px;
  top: 60%; 
  transform: translateY(-50%); 
  z-index: 2; 
}

.text4-image{
  width: 350px; 
  height: auto;
  position: relative;
  z-index: 5;
  transform: translate(-150px, 50px);
}

/* 5 */
.img5-image{
  width: 350px; 
  height: auto;
  position: relative;
  z-index: 5;
  transform: translate(100px, 50px);
}

.img5-image:hover {
  transform: translate(100px, 50px) scale(1.2); 
}


section p {
  background-color: white;
  color: black;
  padding: 15px;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  max-width: 80%;
  margin: 10px auto;
  line-height: 1.5;
  position: relative;
  text-align: center;
}

nav ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
  text-align: center;
}

nav ul li {
  display: inline;
  margin: 0 15px;
}

nav ul li a {
  color: white;
  text-decoration: none;
  font-size: 20px;
}

nav ul li:nth-child(1) a {
  color: pink;
}

nav ul li:nth-child(2) a {
  color: lightyellow;
}

nav ul li:nth-child(3) a {
  color: lightgreen;
}

nav ul li:nth-child(4) a {
  color: lightblue;
}

nav ul li:nth-child(5) a {
  color: #d8b2ff;
}


main {
  margin-top: 60px;
  height: 100vh;
  overflow: hidden;
  position: relative;
}

section {
  height: 100vh;
  width: 100%;
  position: absolute;
  top: 100%;
  opacity: 0;
  transition: opacity 1s ease, transform 1s ease; 
  display: flex;
  justify-content: center;
  align-items: center;
}

section.visible {
  opacity: 1;
  transform: translateY(-100%);
}

#section1 { background-image: url('1.PNG'); background-size: cover; }
#section2 { background-image: url('2.PNG'); background-size: cover; }
#section3 { background-image: url('3.PNG'); background-size: cover; }
#section4 { background-image: url('4.PNG'); background-size: cover; }
#section5 { background-image: url('5.PNG'); background-size: cover; }