/* ===== Banner / FlexSlider 自适应样式 ===== */

.banner {
    width: 100%;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
}

/* FlexSlider 必要样式 */
.flex-container a:active,
.flexslider a:active { outline: none; }
.slides,
.flex-control-nav,
.flex-direction-nav { margin: 0; padding: 0; list-style: none; }

.flexslider {
    width: 100%;
    margin: 0;
    padding: 0;
    position: relative;
    border-radius: 0;
}
.flexslider .slides > li { display: none; position: relative; }
.flexslider .slides img {
    max-width: 100%;
    width: 100%;
    height: auto;
    display: block;
}

/* Clearfix */
.slides:after {
    content: ".";
    display: block;
    clear: both;
    visibility: hidden;
    line-height: 0;
    height: 0;
}
html[xmlns] .slides { display: block; }
* html .slides { height: 1%; }

/* No JS fallback */
.no-js .slides > li:first-child { display: block; }

/* Caption */
.flex-caption {
    width: 96%;
    padding: 2%;
    position: absolute;
    left: 0;
    bottom: 0;
    background: rgba(0,0,0,.3);
    color: #fff;
    text-shadow: 0 -1px 0 rgba(0,0,0,.3);
    font-size: 14px;
    line-height: 18px;
}

/* Direction Nav */
.flex-direction-nav li a {
    width: 52px;
    height: 52px;
    margin: -26px 0 0;
    display: block;
    position: absolute;
    top: 50%;
    cursor: pointer;
    text-indent: -9999px;
}
.flex-direction-nav li a.next { right: 10px; }
.flex-direction-nav li a.prev { left: 10px; }
.flex-direction-nav li a.disabled { opacity: .3; cursor: default; }

/* Control Nav (分页圆点) */
.flex-control-nav {
    width: 100%;
    position: absolute;
    bottom: 20px;
    left: 0;
    text-align: center;
    z-index: 2;
}
.flex-control-nav li {
    margin: 0 0 0 5px;
    display: inline-block;
}
.flex-control-nav li:first-child { margin: 0; }
.flex-control-nav li a {
    width: 13px;
    height: 13px;
    display: block;
    cursor: pointer;
    text-indent: -9999px;
    background-image: url(../images/bg_control_nav.png);
    background-repeat: no-repeat;
    background-position: 0 0;
}
.flex-control-nav li a:hover { background-position: 0 -13px; }
.flex-control-nav li a.active { background-position: 0 -26px; cursor: default; }

/* ===== 响应式：手机 ===== */
@media (max-width: 640px) {
    .flex-direction-nav li a {
        width: 36px;
        height: 36px;
        margin: -18px 0 0;
    }
    .flex-direction-nav li a.next { right: 5px; }
    .flex-direction-nav li a.prev { left: 5px; }
    .flex-control-nav { bottom: 10px; }
    .flex-control-nav li a {
        width: 10px;
        height: 10px;
    }
    .flex-control-nav li a:hover { background-position: 0 -10px; }
    .flex-control-nav li a.active { background-position: 0 -20px; }
}