body {
	width: 1465px;
    margin: 0 auto;
  font-family: 'Roboto', sans-serif;
  font-weight: 400;
  line-height: 1.5;
  color: #454545;
}
#main{
	background-color:#f0f0f0;
	height: 1800px;
	z-index: 3;
}
h2{
	text-align: center;
	font-size: 30px;	
}
#sidebar {
    background: #333;
    color: #fff;
    padding: 30px;
	position: fixed;
	top: 150px;
	width: 1400px;
	text-align: center;
	z-index: -1;
}
		/* Header */
#header {
    background: #333;
    color: #fff;
    text-align: center;
	position: fixed;
	width: 1465px;
	z-index: 3;
	padding-top: 20px;
}
#header .logo {
    color: #fff;
    font-size: 30px;
    text-decoration: none;
	margin-left:400px;
}
#header ul.icons {
    list-style: none;
    margin-top: 30px;
    padding: 0;
    float: right;
}
#header ul.icons li {
    display: inline-block;
    margin-left: 20px;
}
#header ul.icons li a {
    color: #fff;
    display: block;
    padding: 5px;
    text-decoration: none;
    transition: background-color 0.3s ease;
}
#header ul.icons li a:hover {
    background-color: #555;
}

/* Banner */
#banner {
  background-color: #555;
  padding: 100px;
  color: #fff;
  text-align: center;
}
#banner h1 {
  font-size: 48px;
  margin-bottom: 20px;
}
#banner p {
  font-size: 18px;
  margin-bottom: 40px;
}

.features{
	margin-left: 100px;
	margin-bottom: 100px;
}
.features article {
    float: left;
    width: 45%;
    box-sizing: border-box;
    height: 200px;
    padding: 20px;
	margin: 20px;
	border:#5e5959 solid 2px;
	background-color:#bcbcbc;
	border-radius: 20px;
}
.features article:hover{
	background-color: #f0f0f0;
}

/* Posts */
.posts {
  display: flex;              /* ✅ 改为 flex，让卡片能并排 */
  flex-wrap: wrap;            /* ✅ 多行排列 */
  justify-content: center;    /* ✅ 居中对齐 */
  gap: 20px;                  /* ✅ 卡片间距 */
  padding: 40px 80px;         /* ✅ 适当内边距 */
  background-color: #f0f0f0;
}

.posts article {
  flex: 1 1 30%;              /* ✅ 每个卡片约占30%，可自适应 */
  max-width: 30%;             /* ✅ 防止太宽 */
  height: 800px;              /* ✅ 固定统一高度 */
  background-color: #fff;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
  border-radius: 10px;
  overflow: hidden;
  margin: 10px;
  display: flex;              /* ✅ 让内部元素上下排列 */
  flex-direction: column;
  justify-content: flex-start; 
}


.posts article .image {
  height: 200px;        /* ✅ 统一图片区域高度 */
  overflow: hidden;
}

.posts article .image img {
  width: 100%;
  height: 100%;          /* ✅ 填满上面的区域 */
  object-fit: cover;     /* ✅ 保持比例，不变形 */
  display: block;
  transition: all 0.4s ease-in-out;
}


.posts article .image:hover {
  opacity: 0.7;
}
.posts article .image:hover{
  transform: scale(1.1);
}
.posts article .image img {
  transition: all 0.4s ease-in-out;
  width: 100%;
  height: auto;
  display: block;
}

.posts article h3 {
  padding: 15px 15px 10px 15px;
  margin: 0;
  font-size: 30px;
  font-weight: 700;
  color: #454545;
  letter-spacing: 0.2rem;
  text-transform: uppercase;
    min-height: 80px;         /* ✅ 保持标题区高度一致 */
  display: flex;            /* ✅ 让文字在框内靠底对齐 */
  align-items: flex-end;

}
.posts article p {
  padding: 0 15px;
  margin-bottom: 20px;
  font-size: 15px;
  line-height: 1.6;
  color: #666;
  flex: 1;
  overflow-y: auto;
  max-height: 500px;
  
}


.button {
  display: inline-block;
  padding: 7.5px 10px;
  background-color: #454545;
  color: #fff;
  border-radius: 50px;
  text-align: center;
  text-decoration: none;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  width: 200px;
  transition: width 0.3s ease-in-out;
}
.button:hover{
	width: 300px;
	background-color: #fff;
    color: #454545;
    border: 2px solid #454545;
   
}
.actions li {
  margin: 15px auto;
  list-style: none;
}
.posts article .actions li a {
  text-align: center;
  display: block;
}

/* Sidebar */
#sidebar #search input[type="text"] {
    background: #444;
    border: none;
    color: #fff;
    padding: 5px;
	margin-left: 150px;
    width: 80%;
	height: 20px;
}
#menu ul {
	list-style: none;
	padding: 0;
	width: 100%;
}
#menu li {
	margin-bottom: 15px;
	background-color:#ffffff;
	width: 80%;
	height: 50px;
	margin-left: 150px;
}
#menu li a {
	text-decoration: none;
	color:#040000;
	padding: 15px 0px;
	display: block;
	text-align: center;
}
/* Contact styles */
.contact li {
	margin-bottom: 15px;
	list-style-type: none;
}
/* Footer styles */
#footer {
	margin-top: 30px;
	padding-top: 30px;
	border-top: 1px solid #ddd;
	text-align: center;
	color: #333;
	font-size: 10px;
}
#footer a {
	color: #333;
	text-decoration: none;
}
/* 美化滚动条 */
.posts article p::-webkit-scrollbar {
  width: 6px;
}
.posts article p::-webkit-scrollbar-thumb {
  background-color: #888;
  border-radius: 3px;
}
.posts article p::-webkit-scrollbar-thumb:hover {
  background-color: #555;
}