/* 头部 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.header1 {
  width: 100%; margin: 0 auto;
  background: rgba(0, 0, 0, 1);
  height: 0.9rem;
  z-index: 10;
 
}

.header {
  width: 100%;
  background: rgba(0, 0, 0, 1);
  height: 0.9rem;
  z-index: 10;
  padding-left: 1rem;
  padding-right: 0.7rem;
  position: fixed;
  left: 0;
  top: 0;
}

.header_common {
  width: 12.6rem;
  height: 0.9rem;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  margin: 0 auto;
}

.header_left {
  display: flex;
}

.header_logo {
  width: 2.97rem;
  height: 0.9rem;
  margin-right: 0.2rem;
  display: flex;
}

.img_logo {
  width: 2.97rem;
  height: 0.9rem;
}

.header_nav {
  display: flex;
  height: 100%;
  align-items: center;
  letter-spacing: 5px;
  position: relative;
  width: 8rem;
}

img.header_icon {
  width: 0.7rem;
  margin-top: 0.1rem;
}


.header .header_nav a {
  margin: 0 0.4rem;
  font-size: 0.2rem;
  font-family: 'STXihei', sans-serif;
  letter-spacing: 0.01rem;
  color: #f00;
  font-weight: normal;
}


.header_nav a:nth-child(1) {
  margin-left: 0;
}

.header_nav a.active,
.header_nav a:hover {
  text-shadow: 0 0 0.05rem #0d5aed, 0 0 0.1rem #0d5aed, 0 0 0.15rem #0d5aed, 0 0 0.2rem #0d5aed, 0 0 0.35rem #0d5aed, 0 0 0.4rem #0d5aed, 0 0 0.5rem #0d5aed;
  color: #fff;
}

.header_right {
  display: flex;
  height: 100%;
  width: 1em;
  align-items: center;
  margin-right: 0.3rem;
  justify-content: space-between;
}



.header_right .common_ico_follow img {
  width: 0.39rem;
  height: auto;
  transition: all 0.3s;
}

.header_right .common_ico_fb img {
  width: 0.39rem;
  height: auto;
  transition: all 0.3s;
}

.header_right .common_ico_game img {
  width: 0.28rem;
  height: auto;
  transition: all 0.3s;
}

.header_right .common_ico_follow img:hover,
.header_right .common_ico_fb img:hover,
.header_right .common_ico_game img:hover,
.sidebar_ico img:hover {
  transform: translateY(-0.05rem);
}

.menu {
  position: absolute;
  left: 0rem;
  top: 0rem;
  height: 0.9rem;
  width: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.menu img {
  width: 0.32rem;
  height: 0.2rem;
}

.twitter_box {
  transition: all 0.3s;
  position: fixed;
  left: 0;
  top: 0;
  width: 5.98rem;
  max-width: 30%;
  background: rgba(0, 0, 0, 0.75);
  height: 100%;
  z-index: 10;
  color: #fff;
  flex-direction: column;
  display: flex;
  justify-content: center;
  padding: 0.50rem;
  transform: translateX(-100%)
}

.twitter_box.active {
  transform: translateX(0)
}

.twitter_box .title {
  font-size: 0.46rem;
}

.twitter_box .title span {
  font-size: 0.27rem;
}

.twitter_box textarea {
  border: 0.01rem solid rgba(255, 255, 255, 0.3);
  background: transparent;
  width: 100%;
  height: 60vh;
  color: #fff;
  font-size: 0.24rem;
  padding: 0.15rem 0.20rem;
  margin-bottom: 0.27rem;
}

.twitter_box .follow {
  transition: all 0.3s;
  border: 0;
  width: 2.16rem;
  height: 0.66rem;
  background: url(img/follow.png) no-repeat center center;
  font-size: 0;
  background-size: contain;
}

.twitter_box .follow:hover,
.twitter_box .follow:active {
  background-image: url(img/follow_h.png)
}

.header_nav ul {
  display: flex;
  justify-content: center;
  align-items: center;
}

.header_nav {
  display: flex;
  justify-content: center;
}

.header_nav li {
  cursor: pointer;
  margin-left: 0.2rem;
  margin-right: 0.2rem;
  font-size: 0.24rem;
  color: #fff;
}

.header_nav li img {
  height: 0.75rem;
  width: auto;
}

.header_nav li.line img {
  height: 0.19rem;
  width: auto;
}

.header_nav li a {
  color: #fff;
}

.header_logo img {
  width: 2.5rem;
  margin-top: 0.08rem;
  height: auto;
}