@charset "UTF-8";
/* ==========================================================
 *   智界AI · 人工智能与前沿科技门户
 *   版本: 2.0 | 配色: 赛博紫 + 未来蓝
 * ========================================================== */

/* ---------- 全局重置 ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  padding: 0;
  font: 12px/1.5 "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", Arial, Helvetica, sans-serif;
  min-width: 320px;
  background: #f2f4f8;
  color: #333;
}
body,
button,
dd,
dl,
dt,
fieldset,
form,
h1,
h2,
h3,
h4,
h5,
h6,
input,
legend,
li,
ol,
p,
select,
table,
td,
textarea,
th,
ul {
  margin: 0;
  padding: 0;
}
button,
input,
select,
textarea {
  outline: 0;
}
textarea {
  resize: none;
}
ul,
ol,
li {
  list-style: none;
}
img {
  display: block;
  border: 0;
  outline: 0;
  max-width: 100%;
}
button,
input[type="button"],
input[type="reset"],
input[type="submit"] {
  -webkit-appearance: none;
  cursor: pointer;
}
input {
  border-radius: 0;
  outline: none;
  box-shadow: none;
}
a {
  color: #333;
  text-decoration: none;
  transition: color .2s ease;
}
a:hover {
  text-decoration: none;
  color: #7c3aed;
}

article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
main,
nav,
section {
  display: block;
  margin: 0;
  padding: 0;
}

/* ---------- 顶部通栏 ---------- */
.toubu {
  width: 100%;
  height: 70px;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .08);
  position: relative;
  z-index: 999;
}
.toubu_box {
  max-width: 1190px;
  margin: 0 auto;
  padding: 0 10px;
  overflow: hidden;
  display: flex;
  align-items: center;
}

/* Logo */
.toubu_logo {
  flex: 0 0 auto;
  overflow: hidden;
  line-height: 70px;
  font-size: 20px;
  font-weight: 700;
  color: #000;
  position: relative;
}
.toubu_logo a {
  color: #000;
}
.toubu_logo a::before {
  content: "◆";
  display: inline-block;
  margin-right: 4px;
  background: linear-gradient(135deg, #7c3aed, #3b82f6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 22px;
}
.toubu_logo img {
  display: block;
  width: 144px;
  height: 48px;
}

/* 导航 */
.toubu_nav {
  flex: 1;
  overflow: hidden;
  padding-left: 32px;
}
.toubu_nav li {
  float: left;
  padding: 0 10px;
  margin: 0 15px;
  height: 70px;
  line-height: 67px;
  font-size: 15px;
  color: #333;
  font-weight: 500;
  position: relative;
}
.toubu_nav li a {
  color: #333;
}
.toubu_nav li#cur {
  border-bottom: 3px solid #7c3aed;
  color: #7c3aed;
  height: 67px;
}
.toubu_nav li#cur a {
  color: #7c3aed;
}
.toubu_nav li a:hover {
  color: #7c3aed;
}

/* 搜索框 */
.toubu_search {
  flex: 0 0 auto;
  width: 178px;
  height: 32px;
  border: 1px solid #d4d8e0;
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  transition: all .25s ease;
  display: flex;
  align-items: center;
}
.toubu_search:focus-within {
  border-color: #7c3aed;
  box-shadow: 0 0 0 3px rgba(124, 58, 237, .12);
}
.search_text {
  flex: 1;
  height: 20px;
  padding: 6px 8px;
  background: #fff;
  border: 0;
  font-size: 12px;
  color: #444;
  min-width: 0;
}
.search_text::placeholder {
  color: #aaa;
}
.search_submit {
  flex: 0 0 16px;
  width: 16px;
  height: 16px;
  background: url("../images/icon.png") no-repeat center;
  cursor: pointer;
  border: none;
  text-indent: -9999px;
  margin-right: 8px;
}

/* 移动端菜单按钮 */
.wap_nav {
  display: none;
  float: right;
  width: 42px;
  height: 70px;
  background: url("../images/menulie.png") no-repeat center;
}
.wap_search {
  display: none;
  float: right;
  width: 42px;
  height: 70px;
  background: url("../images/icon.png") no-repeat 10px 25px;
}

/* ---------- 焦点图推荐 ---------- */
.tupian {
  max-width: 1170px;
  margin: 20px auto 0;
  overflow: hidden;
  padding: 0 10px;
}
.tupian_left {
  float: left;
  width: 50.0855%;
  height: 408px;
  position: relative;
  overflow: hidden;
  border-radius: 6px;
}
.tupian_left img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: all .5s ease;
}
.tupian_left i {
  display: block;
  width: 100%;
  height: 100%;
  opacity: .45;
  background: linear-gradient(180deg, rgba(0,0,0,.1), rgba(0,0,0,.7));
  position: absolute;
  left: 0;
  top: 0;
}
.tupian_left span {
  display: block;
  float: left;
  background: linear-gradient(135deg, #7c3aed, #3b82f6);
  color: #fff;
  font-size: 12px;
  position: absolute;
  left: 0;
  top: 0;
  padding: 0 12px;
  line-height: 24px;
  border-radius: 0 0 6px 0;
}
.tupian_left p {
  width: 90%;
  position: absolute;
  left: 50%;
  bottom: 18px;
  font-size: 18px;
  font-weight: 600;
  color: #fff;
  margin-left: -45%;
  text-shadow: 0 1px 4px rgba(0,0,0,.5);
}
.tupian_left:hover img {
  transform: scale(1.08);
}

.tupian_right {
  float: left;
  width: 49.9145%;
  overflow: hidden;
}
.tupian_right li {
  float: left;
  width: 50%;
  padding-left: 8px;
  margin-bottom: 8px;
  overflow: hidden;
}
.tupian_right li dl dd {
  width: 100%;
  height: 200px;
  position: relative;
  overflow: hidden;
  border-radius: 6px;
}
.tupian_right li dl dd img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: all .5s ease;
}
.tupian_right li dl dd i {
  display: block;
  width: 100%;
  height: 100%;
  opacity: .4;
  background: linear-gradient(180deg, rgba(0,0,0,.1), rgba(0,0,0,.65));
  position: absolute;
  left: 0;
  top: 0;
}
.tupian_right li dl dd span {
  display: block;
  float: left;
  color: #fff;
  font-size: 12px;
  position: absolute;
  left: 0;
  top: 0;
  padding: 0 12px;
  line-height: 24px;
  border-radius: 0 0 6px 0;
}
.tupian_right li dl dd span#tpspan1 { background: #7c3aed; }
.tupian_right li dl dd span#tpspan2 { background: #3b82f6; }
.tupian_right li dl dd span#tpspan3 { background: #06b6d4; }
.tupian_right li dl dd span#tpspan4 { background: #8b5cf6; }
.tupian_right li dl dd p {
  width: 90%;
  position: absolute;
  left: 50%;
  bottom: 14px;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin-left: -45%;
  text-shadow: 0 1px 3px rgba(0,0,0,.5);
}
.tupian_right li:hover dl dd img {
  transform: scale(1.08);
}

/* ---------- 页脚 ---------- */
.dibu {
  overflow: hidden;
  background: #0f0f1a;
  font-size: 13px;
  line-height: 28px;
  color: #8a8aa8;
  padding: 40px 10px;
  margin-top: 20px;
  text-align: center;
  border-top: 2px solid #7c3aed;
}
.dibu a {
  color: #7c3aed;
}
.dibu a:hover {
  color: #a78bfa;
}

/* ---------- 主内容区 ---------- */
.mainbox {
  max-width: 1170px;
  margin: 12px auto 0;
  overflow: hidden;
  padding: 0 10px;
}
.main_left {
  float: left;
  overflow: hidden;
  width: 70.0855%;
}
.main_right {
  float: right;
  overflow: hidden;
  width: 27.3505%;
}

/* ---------- 侧栏通用区块 ---------- */
.pub_box {
  overflow: hidden;
  background: #fff url(../images/tiao.jpg) repeat-x top center;
  margin-bottom: 15px;
  border-radius: 6px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .05);
}
.pub_title {
  color: #222;
  border-bottom: 1px solid #e8edf3;
  font-size: 15px;
  font-weight: 600;
  padding: 0 19px;
  line-height: 40px;
}
.pub_wen {
  overflow: hidden;
  padding: 6px 19px;
}
.pub_wen li {
  height: 30px;
  line-height: 30px;
  overflow: hidden;
  font-size: 14px;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.pub_wen li a {
  color: #555;
}
.pub_wen li a:hover {
  color: #7c3aed;
}

.right_pic {
  overflow: hidden;
}
.right_pic li {
  overflow: hidden;
  padding-bottom: 15px;
}
.right_pic li img {
  display: block;
  width: 100%;
  border-radius: 6px;
}

/* ---------- 首页栏目模块 ---------- */
.modle {
  overflow: hidden;
  background: #fff;
  border-radius: 6px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .05);
}
.modle_tit {
  overflow: hidden;
  background: url("../images/tiao.jpg") repeat-x top center;
  height: 51px;
}
.modle_tit ul {
  overflow: hidden;
  padding: 0 10px;
}
.modle_tit ul li {
  float: left;
  font-size: 14px;
  line-height: 51px;
  margin: 0 5px;
}
.modle_tit ul li a {
  padding: 0 15px;
  color: #333;
  transition: all .2s ease;
}
.modle_tit ul li a:hover {
  color: #7c3aed;
}
.modle_tit ul li.active a {
  display: block;
  color: #fff;
  background: linear-gradient(135deg, #7c3aed, #3b82f6);
  border-radius: 4px;
}
.modle_bd li {
  display: none;
}
.modle_box {
  overflow: hidden;
  padding: 0 20px;
}
.modle_box dl {
  overflow: hidden;
  border-top: 1px solid #e8edf3;
  padding: 25px 0 30px;
  display: flex;
  gap: 30px;
}
.modle_box dl dt {
  flex: 0 0 220px;
  width: 220px;
  height: 155px;
  margin-top: 5px;
  position: relative;
  border-radius: 6px;
  overflow: hidden;
}
.modle_box dl dt img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.modle_box dl dt span {
  display: block;
  position: absolute;
  left: 0;
  top: 0;
  background: linear-gradient(135deg, #7c3aed, #3b82f6);
  color: #fff;
  font-size: 12px;
  padding: 0 12px;
  line-height: 24px;
  border-radius: 0 0 6px 0;
}
.modle_box dl dd {
  flex: 1;
  min-width: 0;
  overflow: hidden;
}
.modle_box dl dd a {
  display: block;
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
  line-height: 26px;
  max-height: 52px;
  overflow: hidden;
  color: #111;
}
.modle_box dl dd a:hover {
  color: #7c3aed;
}
.modle_box dl dd p {
  margin-bottom: 10px;
  color: #666;
  font-size: 13px;
  line-height: 24px;
  max-height: 48px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}
.modle_box dl dd em {
  display: block;
  font-style: normal;
  color: #888;
  font-size: 12px;
}

/* ---------- 友情链接 ---------- */
.yqlj {
  max-width: 1170px;
  border: 1px solid #e8edf3;
  margin: 20px auto 0;
  background: #fff url("../images/tiao.jpg") repeat-x top center;
  overflow: hidden;
  border-radius: 6px;
}
.yqlj_tit {
  border-bottom: 1px solid #e8edf3;
  padding: 0 10px;
  line-height: 40px;
  color: #222;
  font-size: 15px;
  font-weight: 600;
}
.yqlj_box {
  overflow: hidden;
  font-size: 0;
  padding: 15px 0;
}
.yqlj_box a {
  display: inline-block;
  color: #555;
  font-size: 12px;
  line-height: 30px;
  padding: 0 10px;
  transition: color .2s ease;
}
.yqlj_box a:hover {
  color: #7c3aed;
}

/* ---------- 面包屑 ---------- */
.weizhi {
  max-width: 1170px;
  margin: 15px auto 0;
  overflow: hidden;
  padding: 0 10px;
}
.weizhi p {
  line-height: 24px;
  color: #666;
  font-size: 13px;
  border: 1px solid #e0e6ed;
  background: #fff;
  padding: 10px 14px;
  border-radius: 4px;
}
.weizhi p a {
  color: #7c3aed;
}

/* ---------- 栏目标题 ---------- */
.modle_lmm {
  overflow: hidden;
  background: url("../images/tiao.jpg") repeat-x top center;
  height: 51px;
  line-height: 51px;
}
.modle_lmm span {
  display: block;
  float: left;
  color: #fff;
  background: linear-gradient(135deg, #7c3aed, #3b82f6);
  padding: 0 18px;
  font-size: 16px;
  font-weight: 600;
}

/* ---------- 分页 ---------- */
.fenye {
  overflow: hidden;
  padding: 20px;
  border-top: 1px solid #e8edf3;
  text-align: center;
  font-size: 0;
}
.fenye li {
  display: inline;
  font-size: 14px;
  color: #666;
  margin: 0 3px;
}
.fenye li a,
.fenye li strong {
  display: inline-block;
  font-size: 14px;
  color: #555;
  line-height: 30px;
  border-radius: 4px;
  padding: 0 12px;
  border: 1px solid #dce3e8;
  transition: all .2s ease;
}
.fenye li a:hover {
  color: #7c3aed;
  border-color: #7c3aed;
}
.fenye li strong {
  background: linear-gradient(135deg, #7c3aed, #3b82f6);
  font-weight: 400;
  color: #fff;
  border: none;
}

/* ---------- 相关文章 ---------- */
.xgwz {
  overflow: hidden;
  background: #fff;
  padding: 25px 18px 15px;
  border-radius: 6px;
  margin-bottom: 15px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .05);
}
.xgwz_tit {
  height: 25px;
  position: relative;
}
.xgwz_tit span {
  border-bottom: 1px solid #e8edf3;
  height: 12px;
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  display: block;
}
.xgwz_tit p {
  line-height: 25px;
  text-align: center;
  background: #fff;
  padding: 0 8px;
  font-weight: 700;
  color: #7c3aed;
  position: absolute;
  left: 50%;
  margin-left: -36px;
  top: 0;
  font-size: 14px;
}
.xgwz_box {
  overflow: hidden;
}
.xgwz_box dl {
  overflow: hidden;
  padding: 15px 0;
  display: flex;
  gap: 10px;
}
.xgwz_box dl dt {
  flex: 0 0 90px;
  width: 90px;
  height: 63px;
  overflow: hidden;
  border-radius: 4px;
}
.xgwz_box dl dt img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.xgwz_box dl dd {
  flex: 1;
  min-width: 0;
  overflow: hidden;
}
.xgwz_box dl dd a {
  display: block;
  font-size: 13px;
  font-weight: 600;
  line-height: 20px;
  max-height: 40px;
  overflow: hidden;
  color: #222;
}
.xgwz_box dl dd p {
  color: #888;
  line-height: 24px;
  font-size: 12px;
}
.xgwz_box dl dd a:hover {
  color: #7c3aed;
}

/* ---------- 文章内容页 ---------- */
.neirong_head {
  overflow: hidden;
  padding: 18px 19px 15px;
  text-align: center;
}
.neirong_head h1 {
  font-size: 22px;
  line-height: 35px;
  font-weight: 700;
  color: #111;
}
.neirong_head p {
  font-size: 13px;
  line-height: 24px;
  margin-top: 5px;
  color: #888;
}
.neirong {
  padding: 10px 40px 40px;
  overflow: hidden;
  border-top: 1px solid #e8edf3;
}
.neirong_body {
  overflow: hidden;
  text-indent: 2em;
  font-size: 16px;
  line-height: 30px;
  padding-bottom: 20px;
  color: #444;
}
.neirong_body p {
  margin: 12px 0;
}
.neirong_body img {
  display: block;
  max-width: 100%;
  margin: 16px auto;
  border-radius: 6px;
}
.neirong_tag {
  overflow: hidden;
  border-top: 1px solid #e8edf3;
  border-bottom: 1px solid #e8edf3;
  padding: 15px 0 5px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.neirong_tag span {
  color: #444;
  font-size: 12px;
  line-height: 24px;
  font-weight: 700;
}
.neirong_tag a {
  background: linear-gradient(135deg, #7c3aed, #3b82f6);
  line-height: 26px;
  border-radius: 13px;
  color: #fff;
  padding: 0 14px;
  font-size: 12px;
  transition: all .2s ease;
}
.neirong_tag a:hover {
  opacity: .9;
  transform: translateY(-1px);
}
.neirong_sxp {
  overflow: hidden;
  padding-top: 20px;
}
.neirong_sxp li {
  color: #444;
  font-size: 14px;
  line-height: 30px;
  height: 30px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.neirong_sxp li a {
  color: #666;
}
.neirong_sxp li a:hover {
  color: #7c3aed;
}

/* ---------- 响应式 ---------- */
@media (max-width: 991px) and (min-width: 320px) {
  .toubu_nav {
    display: none;
    width: 100%;
    position: absolute;
    left: 0;
    top: 70px;
    background: #1a1a2e;
    padding: 10px 0;
    float: none;
  }
  .toubu_nav li {
    width: 33.3333%;
    padding: 0;
    margin: 0;
    text-align: center;
    color: #fff;
    height: 32px;
    line-height: 32px;
  }
  .toubu_nav li a {
    color: #fff;
  }
  .toubu_nav li#cur {
    border-bottom: none;
    height: 32px;
  }
  .toubu_search {
    display: none;
    width: 100%;
    position: absolute;
    left: 0;
    top: 70px;
    margin-top: 0;
    float: none;
  }
  .wap_nav {
    display: block;
  }
  .wap_search {
    display: block;
  }
}

@media (max-width: 768px) {
  .tupian_left {
    width: 100%;
    height: auto;
  }
  .tupian_right {
    width: 100%;
    margin-top: 15px;
  }
  .tupian_right li {
    width: 48.5%;
    padding: 0;
  }
  .tupian_right li:nth-child(2n) {
    float: right;
  }
  .main_left,
  .main_right {
    width: 100%;
  }
  .main_right {
    margin-top: 15px;
  }
  .modle_tit {
    height: auto;
  }
  .modle_tit ul li {
    width: 16.6667%;
    margin: 0;
    text-align: center;
    line-height: 40px;
  }
  .modle_tit ul li a {
    padding: 0;
  }
  .neirong {
    padding: 10px 15px 20px;
  }
}

@media (max-width: 599px) {
  .modle_box dl {
    flex-direction: column;
    gap: 0;
  }
  .modle_box dl dt {
    width: 100%;
    margin-right: 0;
    float: none;
    height: auto;
    max-height: 200px;
  }
  .modle_box dl dd {
    margin-top: 16px;
  }
}