/* gu3 - 靛蓝研究矩阵风 | 主色 #4F46E5 */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
.zc28b9body{
  font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB",sans-serif;
  font-size:16px;line-height:1.7;color:#1e1b4b;background:#f5f3ff;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;word-wrap:break-word
}
.zc28b9container{width:100%;max-width:1140px;margin:0 auto;padding:0 20px}
a{color:inherit;text-decoration:none}
ul{list-style:none}
img{max-width:100%;height:auto;display:block}
.zc28b9ad{padding:12px 0;overflow:hidden}
.zc28b9ad .zc28b9container{overflow:hidden}

.zc28b9header{background:#fff;border-bottom:1px solid #ddd6fe;position:sticky;top:0;z-index:100}
.zc28b9header_bar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:12px 0}
.zc28b9logo{display:flex;align-items:center;gap:10px}
.zc28b9logo_mark{
  width:40px;height:40px;border-radius:12px;background:#4f46e5;color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800
}
.zc28b9logo_box{display:flex;flex-direction:column}
.zc28b9logo_text{font-size:18px;font-weight:800;color:#1e1b4b}
.zc28b9logo_sub{font-size:11px;color:#6b7280}
.zc28b9nav{display:flex;flex-wrap:wrap;gap:4px}
.zc28b9nav_item{padding:7px 12px;font-size:14px;color:#4b5563;border-radius:999px}
.zc28b9nav_item:hover,.zc28b9nav_active{background:#eef2ff;color:#4f46e5;font-weight:600}

.zc28b9btn{
  display:inline-flex;align-items:center;justify-content:center;padding:11px 20px;
  border-radius:999px;font-size:14px;font-weight:700;border:1px solid transparent;max-width:100%
}
.zc28b9btn_primary{background:#4f46e5;color:#fff}
.zc28b9btn_primary:hover{background:#4338ca}
.zc28b9btn_ghost{background:#fff;color:#4f46e5;border-color:#c7d2fe}
.zc28b9btn_ghost:hover{background:#eef2ff}
.zc28b9btn_light{background:#fff;color:#4f46e5}

.zc28b9hero{padding:48px 0 36px;background:radial-gradient(circle at top right,#ddd6fe 0%,#f5f3ff 45%,#fff 100%)}
.zc28b9hero_grid{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:center}
.zc28b9kicker{font-size:13px;color:#4f46e5;font-weight:700;margin-bottom:10px}
.zc28b9hero_title{font-size:clamp(26px,4vw,40px);line-height:1.3;margin-bottom:12px;color:#1e1b4b}
.zc28b9hero_desc{color:#4b5563;margin-bottom:10px}
.zc28b9hero_more{font-size:14px;color:#6b7280;margin-bottom:20px}
.zc28b9hero_btns{display:flex;flex-wrap:wrap;gap:10px}
.zc28b9hero_media{border-radius:20px;overflow:hidden;border:1px solid #ddd6fe;background:#fff;padding:8px;min-width:0}
.zc28b9hero_img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:14px}

.zc28b9strip{background:#312e81;padding:22px 0;color:#e0e7ff}
.zc28b9strip_title{font-size:14px;margin-bottom:12px;opacity:.85}
.zc28b9market_row{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.zc28b9chip{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);
  border-radius:12px;padding:12px;display:flex;flex-direction:column;gap:4px;min-width:0
}
.zc28b9chip span{font-size:12px;opacity:.8}
.zc28b9chip b{font-size:20px;font-weight:800}
.zc28b9chip i{font-style:normal;font-size:12px}
.zc28b9up{color:#f87171}
.zc28b9down{color:#34d399}

.zc28b9section{padding:56px 0;overflow:hidden}
.zc28b9alt{background:#fff}
.zc28b9section_head{margin-bottom:24px;max-width:680px}
.zc28b9center{margin-left:auto;margin-right:auto;text-align:center}
.zc28b9section_title{font-size:clamp(22px,3vw,30px);font-weight:800;color:#1e1b4b;margin-bottom:8px}
.zc28b9section_desc{font-size:15px;color:#6b7280}

.zc28b9bento{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.zc28b9bento_item{
  background:#fff;border:1px solid #ddd6fe;border-radius:16px;padding:20px;min-width:0;overflow:hidden
}
.zc28b9bento_lg{grid-column:span 2;grid-row:span 2;background:#4f46e5;color:#eef2ff;border-color:#4f46e5}
.zc28b9bento_wide{grid-column:span 2}
.zc28b9bento_item h3{font-size:17px;margin-bottom:8px}
.zc28b9bento_item p{font-size:14px;color:#4b5563}
.zc28b9bento_lg p{color:#e0e7ff}

.zc28b9split{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:12px}
.zc28b9split_card{background:#f5f3ff;border:1px solid #ddd6fe;border-radius:16px;padding:20px;min-width:0}
.zc28b9split_card h3{font-size:17px;margin-bottom:8px;color:#312e81}
.zc28b9split_card p{font-size:14px;color:#4b5563;margin-bottom:10px}
.zc28b9split_card ul{padding-left:0}
.zc28b9split_card li{font-size:13px;color:#4f46e5;padding:4px 0 4px 14px;position:relative}
.zc28b9split_card li::before{content:"";width:6px;height:6px;border-radius:50%;background:#4f46e5;position:absolute;left:0;top:10px}

.zc28b9strategy_cols{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.zc28b9strategy_cols article{
  background:#fff;border:1px solid #ddd6fe;border-radius:16px;padding:22px 18px;min-width:0
}
.zc28b9strategy_cols span{display:block;font-size:28px;font-weight:800;color:#4f46e5;margin-bottom:8px}
.zc28b9strategy_cols h3{font-size:18px;margin-bottom:8px}
.zc28b9strategy_cols p{font-size:14px;color:#4b5563}

.zc28b9article_grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.zc28b9article_big{
  grid-column:span 2;grid-row:span 2;background:#312e81;color:#eef2ff;
  border-radius:16px;padding:24px;border:1px solid #312e81
}
.zc28b9article_big h3{font-size:22px;margin-bottom:12px}
.zc28b9article_big p{font-size:14px;opacity:.9}
.zc28b9article_small{
  background:#fff;border:1px solid #ddd6fe;border-radius:16px;padding:18px;min-width:0
}
.zc28b9article_small h4{font-size:15px;margin-bottom:6px;color:#1e1b4b}
.zc28b9article_small p{font-size:12px;color:#6b7280}

.zc28b9path{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.zc28b9path_item{
  background:#f5f3ff;border:1px solid #ddd6fe;border-radius:16px;padding:18px;text-align:center;min-width:0
}
.zc28b9path_item strong{display:block;color:#4f46e5;margin-bottom:8px}
.zc28b9path_item p{font-size:13px;color:#4b5563}

.zc28b9about_grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;text-align:center}
.zc28b9about_grid div{background:#fff;border:1px solid #ddd6fe;border-radius:16px;padding:20px;min-width:0}
.zc28b9about_grid h3{font-size:26px;color:#4f46e5;margin-bottom:4px}
.zc28b9about_grid p{font-size:13px;color:#6b7280}

.zc28b9faq_grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.zc28b9faq_grid article{background:#fff;border:1px solid #ddd6fe;border-radius:14px;padding:18px;min-width:0}
.zc28b9faq_grid h3{font-size:16px;margin-bottom:6px}
.zc28b9faq_grid p{font-size:14px;color:#4b5563}

.zc28b9cta{background:#4f46e5;color:#fff;text-align:center;padding:48px 0}
.zc28b9cta_title{font-size:clamp(20px,3vw,28px);margin-bottom:10px}
.zc28b9cta_text{font-size:14px;opacity:.9;margin-bottom:18px;max-width:680px;margin-left:auto;margin-right:auto}

.zc28b9footer{background:#1e1b4b;color:#c7d2fe;padding:40px 0 20px}
.zc28b9footer_top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:24px;margin-bottom:20px}
.zc28b9footer .zc28b9logo_text{color:#fff}
.zc28b9footer_about{font-size:13px;margin-top:10px}
.zc28b9footer_heading{font-size:14px;color:#fff;margin-bottom:10px}
.zc28b9footer_links li{margin-bottom:6px}
.zc28b9footer_links a{font-size:13px;color:#c7d2fe}
.zc28b9footer_links a:hover{color:#fff}
.zc28b9footer_risk{font-size:12px;line-height:1.7}
.zc28b9flink{border-top:1px solid rgba(199,210,254,.2);padding-top:16px;margin-bottom:16px}
.zc28b9flink_list{display:flex;flex-wrap:wrap;gap:8px 14px}
.zc28b9flink_list a{font-size:13px;color:#c7d2fe}
.zc28b9footer_bottom{border-top:1px solid rgba(199,210,254,.2);padding-top:14px;font-size:12px}
.zc28b9copyright a{color:#fff}
.zc28b9powerby{margin-top:6px}

@media (max-width:1024px){
  .zc28b9hero_grid,.zc28b9split{grid-template-columns:1fr}
  .zc28b9bento{grid-template-columns:repeat(2,1fr)}
  .zc28b9bento_lg,.zc28b9bento_wide,.zc28b9article_big{grid-column:span 2;grid-row:span 1}
  .zc28b9article_grid{grid-template-columns:repeat(2,1fr)}
  .zc28b9market_row,.zc28b9strategy_cols,.zc28b9path,.zc28b9about_grid{grid-template-columns:repeat(2,1fr)}
  .zc28b9footer_top{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .zc28b9container{padding:0 16px}
  .zc28b9header_bar{flex-direction:column;align-items:flex-start}
  .zc28b9section{padding:40px 0}
  .zc28b9market_row,.zc28b9bento,.zc28b9strategy_cols,.zc28b9path,
  .zc28b9about_grid,.zc28b9faq_grid,.zc28b9article_grid,.zc28b9footer_top{grid-template-columns:1fr}
  .zc28b9bento_lg,.zc28b9bento_wide,.zc28b9article_big{grid-column:span 1}
  .zc28b9hero_btns{flex-direction:column}
  .zc28b9btn{width:100%}
}
@media (max-width:480px){
  .zc28b9logo_sub{display:none}
  .zc28b9chip b{font-size:18px}
}