/* 基础设置 */
* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  min-height: 100vh;
  padding: clamp(28px, 5vw, 72px);

  display: grid;
  grid-template-columns: minmax(360px, 620px) minmax(280px, 430px);
  justify-content: center;
  align-items: center;
  gap: clamp(50px, 8vw, 130px);

  background: #faf9f6;
  color: #242321;

  font-family:
    "PingFang SC",
    "Microsoft YaHei",
    "Noto Sans SC",
    Arial,
    sans-serif;
}

/* 左侧互动插画区域 */
#canvas-container {
  width: min(46vw, 620px);
  max-height: 86vh;

  display: flex;
  align-items: center;
  justify-content: center;

  overflow: hidden;
}

/* 控制互动尺寸，不让它铺满网页 */
#canvas-container canvas {
  display: block;

  width: auto !important;
  height: auto !important;

  max-width: 100% !important;
  max-height: 86vh !important;

  border-radius: 2px;
}

/* 右侧介绍文字 */
.site-intro {
  position: relative;
  z-index: 10;

  width: 100%;
  max-width: 430px;

  padding-bottom: 5vh;
}

/* 英文小标题 */
.site-label {
  margin: 0 0 22px;

  color: #8d867d;

  font-family: Arial, sans-serif;
  font-size: 11px;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.2em;
}

/* 中文主标题 */
.site-intro h1 {
  margin: 0 0 25px;

  max-width: 420px;

  color: #1f1e1c;

  font-size: clamp(34px, 4vw, 58px);
  font-weight: 500;
  line-height: 1.22;
  letter-spacing: -0.03em;
}

/* 简介 */
.site-description {
  margin: 0;

  max-width: 360px;

  color: #777168;

  font-size: 15px;
  font-weight: 400;
  line-height: 1.9;
}

/* 导航入口 */
.site-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;

  margin-top: 38px;
}

.site-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  min-height: 44px;
  padding: 0 21px;

  color: #2d2b27;
  background: transparent;

  border: 1px solid #b9b2a8;
  border-radius: 999px;

  font-size: 14px;
  text-decoration: none;

  transition:
    transform 180ms ease,
    color 180ms ease,
    background 180ms ease,
    border-color 180ms ease;
}

.site-links a:hover {
  color: #ffffff;
  background: #292723;
  border-color: #292723;
  transform: translateY(-2px);
}

/* 平板与窄屏 */
@media (max-width: 900px) {
  body {
    grid-template-columns: minmax(300px, 520px) minmax(240px, 330px);
    gap: 45px;
    padding: 32px;
  }

  #canvas-container {
    width: 48vw;
  }

  .site-intro h1 {
    font-size: 36px;
  }
}

/* 手机：改为上下结构 */
@media (max-width: 680px) {
  body {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;

    gap: 36px;
    padding: 24px 20px 48px;
  }

  #canvas-container {
    width: min(100%, 470px);
    max-height: none;
  }

  #canvas-container canvas {
    width: 100% !important;
    height: auto !important;
    max-height: none !important;
  }

  .site-intro {
    max-width: 470px;
    padding: 0;
  }

  .site-label {
    margin-bottom: 14px;
  }

  .site-intro h1 {
    margin-bottom: 18px;
    font-size: 32px;
  }

  .site-description {
    font-size: 14px;
  }

  .site-links {
    margin-top: 26px;
  }
}