@charset "utf-8";

/* 灵墟视界 网站样式 */

body {
    font-family: "宋体", Arial, sans-serif;
    font-size: 14px;
    color: #333333;
    background-color: #f5f5f5;
    margin: 0px;
    padding: 0px;
}

a {
    color: #0055aa;
    text-decoration: none;
}

a:hover {
    color: #ffffff;
    background-color: #0055aa;
}

/* 网站头部 */
.head {
    background-color: #263238;
    color: #ffffff;
    padding: 18px 20px;
}

.head h1 {
    width: 960px;
    margin: 0px auto;
    font-family: "黑体", Arial, sans-serif;
    font-size: 24px;
    letter-spacing: 4px;
}

/* 导航条：按「视界图鉴 / 探索 / 视听 / 互动」四个栏目分组，分行排列 */
.nav {
    background-color: #eceff1;
    border-bottom: 2px solid #263238;
    padding: 8px 20px;
    font-size: 13px;
    line-height: 2.1;
    text-align: center;
}

.nav b {
    color: #263238;
    margin-right: 4px;
}

.nav a {
    padding: 2px 5px;
}

/* 内容区：白色卡片，居中 */
.main {
    width: 960px;
    margin: 0px auto;
    padding: 24px 20px 30px 20px;
    background-color: #ffffff;
    border: 1px solid #dcdcdc;
    border-top: none;
}

.main h2 {
    font-size: 19px;
    color: #263238;
    border-bottom: 2px solid #b0bec5;
    padding-bottom: 6px;
    margin: 30px 0px 14px 0px;
}

.main h3 {
    font-size: 15px;
    color: #37474f;
    border-left: 4px solid #607d8b;
    padding-left: 8px;
    margin: 20px 0px 8px 0px;
}

.main p {
    text-indent: 2em;
    line-height: 1.9;
    margin: 10px 0px;
}

.main ul {
    margin: 10px 0px 10px 34px;
}

.main li {
    line-height: 1.9;
    margin: 4px 0px;
}

/* 图片：浅灰底框，轻微留白 */
img {
    max-width: 100%;
    border: 1px solid #cccccc;
    padding: 4px;
    background-color: #fafafa;
}

/* 图文混排：图片左右环绕文字（用于让部分页面布局有所变化） */
.pic-left {
    float: left;
    margin: 6px 18px 12px 0px;
}

.pic-right {
    float: right;
    margin: 6px 0px 12px 18px;
}

.clear {
    clear: both;
}

figure {
    margin: 15px 0px;
}

figcaption {
    font-size: 12px;
    color: #78909c;
    text-align: center;
    line-height: 2;
}

/* 表格：表头浅色底、居中；单元格描边 */
table {
    border-collapse: collapse;
    width: 100%;
    margin: 14px 0px;
}

table th {
    border: 1px solid #90a4ae;
    background-color: #eceff1;
    padding: 7px 10px;
    font-size: 13px;
    color: #263238;
    text-align: center;
}

table td {
    border: 1px solid #cfd8dc;
    padding: 7px 10px;
    font-size: 13px;
}

/* 网站底部 */
.foot {
    width: 960px;
    margin: 0px auto 30px auto;
    padding-top: 14px;
    border-top: 1px solid #cfd8dc;
    font-size: 12px;
    color: #78909c;
    text-align: center;
    line-height: 2;
}