//
// Navs
// --------------------------------------------------


// Base class
// --------------------------------------------------

.nav {
  margin-bottom: 0;
  padding-left: 0; // Override default ul/ol
  list-style: none;
  // margin-left: 15px; // 原本没有，自己添加
  // margin-right: 15px; // 原本没有，自己添加
  &:extend(.clearfix all);

  > li {
    position: relative;
    display: block;

    > a {
      position: relative;
      display: block;
      padding: @nav-link-padding;
      &:hover,
      &:focus {
        text-decoration: none;
        // background-color: @nav-link-hover-bg;
      }
    }

    // Disabled state sets text to gray and nukes hover/tab effects
    &.disabled > a {
      color: @nav-disabled-link-color;

      &:hover,
      &:focus {
        color: @nav-disabled-link-hover-color;
        text-decoration: none;
        background-color: transparent;
        cursor: @cursor-disabled;
      }
    }
  }

  // Open dropdowns
  .open > a {
    &,
    &:hover,
    &:focus {
      background-color: @nav-link-hover-bg;
      border-color: @link-color;
    }
  }

  // Nav dividers (deprecated with v3.0.1)
  //
  // This should have been removed in v3 with the dropping of `.nav-list`, but
  // we missed it. We don't currently support this anywhere, but in the interest
  // of maintaining backward compatibility in case you use it, it's deprecated.
  .nav-divider {
    .nav-divider();
  }

  // Prevent IE8 from misplacing imgs
  //
  // See https://github.com/h5bp/html5-boilerplate/issues/984#issuecomment-3985989
  > li > a > img {
    max-width: none;
  }
}


// Tabs
// -------------------------

// Give the tabs something to sit on
.nav-tabs {
  border-bottom: 1px solid @nav-tabs-border-color;
  margin-top: 0px;
  > li {
    float: left;
    // Make the list-items overlay the bottom border
    margin-bottom: -1px;

    // Actual tabs (as links)
    > a {
      // 修改前
      // margin-right: 2px;
      // line-height: @line-height-base;
      // border: 1px solid transparent;
      // border-radius: @border-radius-base @border-radius-base 0 0;
      // &:hover {
      //   border-color: @nav-tabs-link-hover-border-color @nav-tabs-link-hover-border-color @nav-tabs-border-color;
      // }
      // 修改后
        color: #B3B4B4; // 原本是#777
        margin-right: 2px;
        padding:10px 20px;
        font-size:12px;
        line-height: @line-height-base;
        font-weight: 600;
        white-space:nowrap;
        // border: 2px solid #ddd; // 原本为0px solid #F6F6F6;
        // border-width: 2px 2px 0px 2px ;
        // border-style: solid;
        // border-color: #ddd;
        // border-bottom:　1px solid; // 原本没有
        // background: #fff; // 原本没有
        // border-radius: @border-radius-base @border-radius-base 0 0;
        // background-image: -moz-linear-gradient(top, #fff, #fff); // 原本为(top, #e1eaf4, #dae4f2)
        // background-image: -ms-linear-gradient(top, #fff, #fff);// 原本为(top, #e1eaf4, #dae4f2)
        // background-image: -o-linear-gradient(top, #fff, #fff);// 原本为(top, #e1eaf4, #dae4f2)
        // background-image: -webkit-gradient(linear, center top, center bottom, from(#fff), to(#fff));// 原本为(top, #e1eaf4, #dae4f2)
        // background-image: -webkit-linear-gradient(top, #fff, #fff);// 原本为(top, #e1eaf4, #dae4f2)
        // background-image: linear-gradient(top, #fff, #fff);// 原本为(top, #e1eaf4, #dae4f2)
    }

    // Active state, and its :hover to override normal :hover
    &.active > a {
      &,
      &:hover,
      &:focus {
        // 修改前
        // color: @nav-tabs-active-link-hover-color;
        // background-color: @nav-tabs-active-link-hover-bg;
        // border: 1px solid @nav-tabs-active-link-hover-border-color;
        // border-bottom-color: transparent;
        // cursor: default;
        // 修改后
        color: #8492A6;
        cursor: default;
        font-weight: 600;
        background-color: #fff;
        border-bottom: 2px solid #00A3F0;
        white-space:nowrap;
        //
        //white-space:nowrap;
        // border-bottom: : 3px solid @global-color;
        // background-image: -moz-linear-gradient(top, #fefeff, #dae4f2);
        // background-image: -ms-linear-gradient(top, #fefeff, #dae4f2);
        // background-image: -o-linear-gradient(top, #fefeff, #dae4f2);
        // background-image: -webkit-gradient(linear, center top, center bottom, from(#fefeff), to(#dae4f2));
        // background-image: -webkit-linear-gradient(top, @global-color, @global-color); // 原本为(top, #fefeff, #dae4f2)
        // background-image: linear-gradient(top, #fefeff, #dae4f2);

        // border-bottom-color: transparent; font-weight:bolder;
      }
    }
  }
  // pulling this in mainly for less shorthand
  &.nav-justified {
    .nav-justified();
    .nav-tabs-justified();
  }
}


// Pills
// -------------------------
.nav-pills {
  > li {
    float: left;

    // Links rendered as pills
    > a {
      border-radius: @nav-pills-border-radius;
    }
    + li {
      margin-left: 2px;
    }

    // Active state
    &.active > a {
      &,
      &:hover,
      &:focus {
        color: @nav-pills-active-link-hover-color;
        background-color: @nav-pills-active-link-hover-bg;
      }
    }
  }
}


// Stacked pills
.nav-stacked {
  > li {
    float: none;
    + li {
      margin-top: 2px;
      margin-left: 0; // no need for this gap between nav items
    }
  }
}


// Nav variations
// --------------------------------------------------

// Justified nav links
// -------------------------

.nav-justified {
  width: 100%;

  > li {
    float: none;
    > a {
      text-align: center;
      margin-bottom: 5px;
    }
  }

  > .dropdown .dropdown-menu {
    top: auto;
    left: auto;
  }

  @media (min-width: @screen-sm-min) {
    > li {
      display: table-cell;
      width: 1%;
      > a {
        margin-bottom: 0;
      }
    }
  }
}

// Move borders to anchors instead of bottom of list
//
// Mixin for adding on top the shared `.nav-justified` styles for our tabs
.nav-tabs-justified {
  border-bottom: 0;

  > li > a {
    // Override margin from .nav-tabs
    margin-right: 0;
    border-radius: @border-radius-base;
  }

  > .active > a,
  > .active > a:hover,
  > .active > a:focus {
    // border: 1px solid @nav-tabs-justified-link-border-color;
  }

  @media (min-width: @screen-sm-min) {
    > li > a {
      border-bottom: 1px solid @nav-tabs-justified-link-border-color;
      border-radius: @border-radius-base @border-radius-base 0 0;
    }
    > .active > a,
    > .active > a:hover,
    > .active > a:focus {
      border-bottom-color: @nav-tabs-justified-active-link-border-color;
    }
  }
}


// Tabbable tabs
// -------------------------

// Hide tabbable panes to start, show them when `.active`
.tab-content {
  > .tab-pane {
    display: none;
    // padding: 0px 15px 0px 15px;
    // 原本没有，自己添加
    padding-top: 10px;
    // background: #FFF; // 原本，之前修改的为#FCFEEE
  }
  > .active {
    display: block;
  }
}


// Dropdowns
// -------------------------

// Specific dropdowns
.nav-tabs .dropdown-menu {
  // make dropdown border overlap tab border
  margin-top: -1px;
  // Remove the top rounded corners here since there is a hard edge above the menu
  .border-top-radius(0);
}