/**
 * A threme for Pico
 *
 * @author  Tyxiang
 * @link    http://forw.cc
 * @license http://opensource.org/licenses/MIT The MIT License
 * @version 1.0
 */

* {
    box-sizing: border-box;
    border: 0 none;
    margin: 0;
    padding: 0;
}

html { 
    font-size: 16px; 
}
body {
    font-family: 'Droid Sans', 'Helvetica', 'Arial', sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    font-variant-ligatures: common-ligatures;
    text-rendering: optimizeLegibility;
    font-kerning: normal;
    color: var(--color-gray-darker);
}

a {
    color: var(--color-base);
    text-decoration: none;
    -webkit-transition: color .2s ease-in;
            transition: color .2s ease-in;
}
a:hover { 
    color: var(--color-base-bright); 
}

.nav ul {
    /* 解决导航偏右问题 */
    padding: 0;
    margin: 0;
}
.nav ul li {
    display: inline-block;
    padding: 0 0.3rem;
}

img { 
    max-width: 100%; 
}

*/
/* IE8 + IE9 clearfix */
header > .container:after {
    content: '';
    display: block;
    clear: both;
}

/*** basic ***/
html{ 
    height: 100%; 
}
body { 
    display: flex; 
    flex-direction: column;
    height: 100%; 
}
.container {
    overflow-x: auto;
    max-width: 64rem;
    margin: 0 auto;
}
.widescreen .container { 
    max-width: 72rem; 
}
/*** header ***/
header { 
    flex: 0 0 auto; 
    background: var(--color-base);
}
header #logo {
    float: left;
    padding: 35px 0 35px;
}

header .nav {
    float: right;
    padding: 50px 0.35rem 0;
}
header .nav ul li {
    font-weight: bold;
}
header .nav a {
    color: var(--color-base-bright);
}
header .nav a:hover { 
    color: var(--color-base-brighter);
}
header .nav .active a {
    color: var(--color-back);
}
*/
/* IE8 + IE9 clearfix */
header > .container:after {
    content: '';
    display: block;
    clear: both;
}
/*** subnav ***/
.subnav {
    text-align: center;
    background: var(--color-base-bright);
    color: var(--color-back);
    padding: 0.3rem;
    font-size: 0.9rem;
}
.subnav a {
    color: var(--color-back);
}
.subnav a:hover { 
    color: var(--color-base-brighter);
}
.subnav .active a {
    font-weight: bold;
}
/*** main ***/
#main {
    flex: 1 0 auto;
}
/*** footer ***/
footer {
    /*首位必须为0，否则footer异常*/
    flex: 0 0 auto; 
    background: var(--color-base);
    color: var(--color-base-brighter);
    padding: 1rem 0;
    font-size: 0.9rem;
    text-align: center;
}

footer a { 
    color: var(--color-back);
    /* 换行不断词 */
    /* display: inline-block;  */
}
footer a:hover { 
    color: var(--color-base-bright);
}
footer .nav .active a {
    font-weight: bold;
}
footer p {
    margin: 0.5rem 0;
}
footer i {
    font-size: 1.3rem;
}