html {
  height: 100%;
}

body {
  min-height: 100%;
  background-image: url(./images/bg-pic.jpg);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  padding: 20px;
  margin: 0;
}

.portfolio {
  width: 80%;
  background-color: rgba(220, 166, 116, 0.5);
  margin-left: auto;
  margin-right: auto;
  padding: 20px;
  max-width: 900px;
}

/* 开头介绍区域 */
h1 {
  font-size: 2.5rem;
  font-style: italic;
  text-align: center;
}

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin: 40px auto;
}

.hero-title {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  min-height: 2.6rem;
  display: inline-flex;
}

.hero-title::after {
  content: "";
  display: inline-block;
  width: 2px;
  height: 1.2em;
  background-color: currentColor;
  margin-left: 6px;
  animation: hero-caret-blink 0.9s steps(2, jump-none) infinite;
}

@keyframes hero-caret-blink {
  0%,
  50% {
    opacity: 1;
  }
  50.1%,
  100% {
    opacity: 0;
  }
}

.selfie {
  width: 150px;
  height: 150px;
}

footer p {
  text-align: center;
  font-size: 13px;
}

hr {
  height: 2px;
  background-color: rgb(195, 86, 23);
  border-color: rgb(195, 86, 23);
}

.bottom-line {
  margin-top: 50px;
}

/* 项目展示区域 */
a {
  color: black;
  text-decoration: none;
}

.project:hover {
  box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.3);
  transform: translateY(-5px);
  transition: all 0.3s ease;
}

.projects-container {
  display: flex;
  flex-wrap: wrap;
  margin-top: 50px;
  justify-content: center;
}

.project {
  background-color: rgba(220, 166, 116, 0.7); /* 更改背景颜色以匹配整体风格 */
  margin: 40px;
  text-align: center;
  border: 2px solid rgb(195, 86, 23); /* 使用hr的颜色作为边框 */
  border-radius: 10px; /* 添加圆角 */
  padding: 15px; /* 添加内边距 */
  transition: all 0.3s ease; /* 为悬停效果添加平滑过渡 */
}

.project img {
  width: 200px;
  height: 260px;
  border-radius: 5px;
}

@media (max-width: 600px) {
  body {
    background-attachment: fixed;
    background-size: cover;
    background-position: center center;
    min-height: 100vh; /* 确保body至少占满视口高度 */
  }

  /* 整体容器宽度调整，让内容更宽 */
  .portfolio {
    width: 95%; /* 容器占据更多屏幕宽度 */
    padding: 10px; /* 减少内边距 */
  }

  /* 移动端标题使用较小的vw值 */
  h1 {
    font-size: 6vw;
  }

  .hero h1 {
    font-size: 5vw;
  }

  .selfie {
    width: 100px;
    height: 100px;
  }

  .project {
    margin: 20px;
  }
}

/* Gemini AI调用 */
.ai-response-container {
  background-color: rgba(220, 166, 116, 0.7);
  border: 2px solid rgb(195, 86, 23);
  border-radius: 10px;
  padding: 20px;
  margin: 40px auto;
  max-width: 80%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap; /* 如果窄屏需要自动换行，可以保留这一行 */
}

#userInput {
  flex: 1 1 280px;
  height: 40px;
  margin: 0;
  font-size: 16px;
  border-radius: 5px;
  border: 1px solid #ccc;
  padding: 0 10px;
}

button {
  padding: 10px 20px;
  font-size: 16px;
  background-color: rgb(195, 86, 23);
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s ease;
  flex: 0 0 auto;
  display: inline-flex;
}

button:hover {
  background-color: rgb(237, 145, 63);
}

#ai-response {
  margin-top: 20px;
  min-height: 20px;
}