@font-face {
  font-family: 'GraphikCompact Black';
  src: url('src/fonts/GraphikCompact-Black-Trial.otf') format('opentype');
}

@font-face {
  font-family: 'Graphik';
  src: url('src/fonts/Graphik-Regular-Trial.otf') format('opentype');
}

@font-face {
  font-family: 'Graphik Semibold';
  src: url('src/fonts/Graphik-Semibold-Trial.otf') format('opentype');
}

@font-face {
  font-family: 'CanelaItalic';
  src: url('src/fonts/Canela-RegularItalic-Trial.otf') format('opentype');
}

@font-face {
  font-family: 'Canela';
  src: url('src/fonts/Canela-Regular-Trial.otf') format('opentype');
}


/*--------------general-------------------------*/
body {
    color: #111111;
    margin: 0;
    padding:0;
    overflow-x: hidden;
    width: 100%;
    scrollbar-width: none; 
    -ms-overflow-style: none; 
    display: flex;
    justify-content: center;
  }

section{
  padding:0;
  margin:120px 0;
  width: 100%;
}

div{
  padding:0;
  margin: 0;
}

.content {
  max-width: 1200px;
  margin: 0 1vw;
  padding: 0;  
  box-sizing: border-box; 
}

/* 修改滚动条上的滑块的样式 */
::-webkit-scrollbar-thumb {
  display:none;
}

/* 修改滚动条上的滑轨的样式 */
::-webkit-scrollbar-track {
  display:none;
}

html::-webkit-scrollbar,
body::-webkit-scrollbar {
  width: 0;
  height: 0;
}

* {
  box-sizing: border-box;
}

.divider{
  border-bottom: 1px solid #111111;
  margin:0 0;
}

/*--------------Text-------------------------*/
h1{
  font-family: 'GraphikCompact Black';
  font-size: 72px;
  padding:0;
  margin:0;
  line-height: 80px;
  text-align: center;
}

h2{
  font-family: 'GraphikCompact Black';
  font-size: 30px;
  padding:0;
  margin:0;
  line-height: 36px;
}

p{
  font-family: 'Graphik';
  font-size: 18px;
  padding:0;
  margin:0;
  line-height: 28px;
}

.bold {
  font-family: 'Graphik Semibold';
  font-size: 19px;
  line-height: 28px;
  padding:0;
  margin:0;
}

.caption {
  font-family: 'Graphik';
  font-size: 14px;
  line-height: 20px;
  padding:0;
  margin:0;
  color: #8B8B8B;
}

.tag {
  font-family: 'Canela';
  font-size: 16px;
  line-height: 20px;
  color: #8B8B8B;
  padding:0;
  margin:0;
}

.display {
  font-family: 'CanelaItalic';
  font-size: 36px;
  line-height: 1.15;
  padding:0;
  margin:0;
}

a {
  text-decoration: none;
  color: inherit;
}

.title{
  display:flex;
  flex-direction: column;
  gap:32px;
}


/*--------------video&image-------------------------*/
.iPadMockup{
  width: 400px;
  height: auto;
  border-radius: 32px; 
  border: 4px solid #E9C300;
}
.UIdisplay{
  display: flex;
  align-items: center; 
  flex-direction:row;
  gap:24px;
}

video {
  width: 100%; /* 视频占满容器宽度 */
  height: auto; /* 保持视频的比例 */
  display: block;/* 移除视频元素默认的内边距空隙 */
}

.video-container {
  position: relative; /* 确保内容可以覆盖视频 */
  width: 100%;
  overflow: hidden; /* 隐藏超出 div 的视频部分 */
}

/*--------------顶部导航栏-------------------------*/

:root { --header-h: 64px; }

.header{
  display: flex;
  justify-content: space-between;
  width: 100%;
  max-width: 1200px;
  align-items: center;
  padding:16px 0;
  border-top: solid 1px #111111;
  border-bottom: solid 1px #111111;
  position: fixed; 
  top: 24px;
  left: 0; 
  right: 0;
  z-index: 1000;
  background: #ffffff;
  transition: opacity 300ms ease, box-shadow 200ms ease;
  will-change: opacity;
  opacity: 1;
  margin:0 auto;
}
@media (max-width: 1200px) {
  .header { 
    flex-direction:column;
    padding: 16px 1vw;         /* 左右加和 .content 一样的 gutter */
    box-sizing: border-box;    /* 确保 padding 不会撑破宽度 */
  }
}
/* 向下滚：透明 */
.header.hide {
  opacity: 0;
  box-shadow: none;
}
/* 向上滚：完全显示 + 阴影 */
.header.stuck {
  opacity: 1;
}

.autolayout{
  display: flex;
  justify-content: space-between;
  width: 100%;
  max-width: 1200px;
  align-items: center;
  padding:16px 0;
}

 /*---------------------------- 两列布局---------------------------- */
.tworows{
  display:flex;
  flex-direction:row;
  gap:64px;
  align-items: flex-start;
}
.tworows1{
  top: var(--sticky-top, 24px);
  align-self: flex-start;  
  display:flex;
  flex-direction:column;
  gap:24px;
  width:336px;
}
.tworows2{
  display:flex;
  flex-direction:column;
  gap:40px;
  width:800px;
}

.tworowssticky{
  position: sticky;
}
@media (max-width: 1200px){
  .tworowssticky{
    position: static; 
  }
}

@media (max-width: 1200px) {
  .tworows { 
    flex-direction:column;
    padding: 16px 1vw;         /* 左右加和 .content 一样的 gutter */
    box-sizing: border-box;    /* 确保 padding 不会撑破宽度 */
  }
}


/*---------------------------- 横线滚动box ---------------------------- */

.yellowbox{
  border: 1px solid #E9C300;
  background:  #FFF;
  box-shadow: 10px 10px 0 0 #E9C300;
  padding:24px;
  flex: 0 0 auto;/* 关键：卡片不收缩，保证宽度恒定 */
}

.yellowboxContainer.marquee-cards{
  position: relative;
  display: block;
}

.yellowboxContainer.marquee-cards .marquee__track{
  display: flex;
  align-items: flex-start;
  gap: 64px;
  will-change: transform;
  animation: yb-marquee var(--yb-duration, 16s) linear infinite;
}

/* 无缝循环：移动“半个轨道宽度”*/
@keyframes yb-marquee { to { transform: translateX(-250%); } }

/* 悬停暂停（可选）
.yellowboxContainer.marquee-cards:hover .marquee__track{
  animation-play-state: paused;
} */

/* 无动画偏好（可选） */
@media (prefers-reduced-motion: reduce){
  .yellowboxContainer.marquee-cards .marquee__track{ animation: none; }
}


.marquee { position: relative; }
.marquee__track{
  display:flex;
  align-items:center;
  gap: 48px;                 /* 两段内容之间的间距 */
  white-space: nowrap;       /* 单行 */
  will-change: transform;
  animation: marquee var(--duration, 30s) linear infinite;
}
@keyframes marquee {
  to { transform: translateX(-50%); }  /* 两份内容时，移动自身宽度的一半即可无缝衔接 */
}

/* 悬停暂停（可选） */
.marquee:hover .marquee__track{ animation-play-state: paused; }

/* 减少动画（可选，尊重系统无动画偏好） */
@media (prefers-reduced-motion: reduce){
  .marquee__track{ animation: none; }
}


/*---------------------------- 容器：多列瀑布流 ---------------------------- */

.gallery{
  column-gap: 16px;                 /* 列与列之间的间距 */
  columns: 4 260px;                  /* 最多4列，列最小宽260px（浏览器会自适应） */
}

/* 每个卡片：禁止被拆分到两列 */
.gallery__item{
  break-inside: avoid;               /* 关键：避免跨列断裂 */
  display: block;
  margin-bottom: 16px;               /* 同列内的上下间距 */
  border-radius: 12px;
  overflow: hidden;
}

/* 图片填满卡片宽度 */
.gallery__item img{
  width: 100%;
  height: auto;
  display: block;
}

/* 响应式：窄屏减少列数 */
@media (max-width: 1200px){ .gallery{ columns: 3 220px; } }
@media (max-width: 900px ){ .gallery{ columns: 2 200px; } }
@media (max-width: 600px ){ .gallery{ columns: 1 100%; } }


/*---------------------------- 容器：图片格 ---------------------------- */
.imageGrid{
  display:grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 24px;
}
.imageGrid img{
  width:100%;
  object-fit: cover;
  display:block;
}

/*---------------------------- 首页项目布局 ---------------------------- */

.container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(520px, 1fr));
  width: 100%; 
  gap: 24px;
  justify-content: flex-start; 
}
.item {
  min-width: 520px;  /* 项目的最小宽度 */
  max-width: 1000px;  /* 项目的最大宽度 */
  padding: 0;
  margin: 0px; 
  position: relative;
}

.item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.3s ease;
}



/*--------------project cover-------------------------*/
.project-info {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6); /* 半透明背景 */
  opacity: 0; /* 初始时不可见 */
  color: white;
  display: flex;
  flex-direction: column;
  padding: 16px 24px;
  transition: opacity 0.3s ease-in-out;
}

.project-info:hover{
  opacity: 1; /* 鼠标悬浮时显示标题和介绍 */
}