/* ===== IC Markets Landing – Shared Styles ===== */
:root{
  --ic-green:#5d4e7b;
  --ic-green-dark:#423560;
  --ic-green-soft:#e8e3f0;
  --ink:#0e1620;
  --ink-soft:#3a4a5a;
  --muted:#6b7a8a;
  --line:#e4e8ee;
  --bg:#ffffff;
  --bg-soft:#f5f8fb;
  --danger:#e5484d;
  --gold:#f5a623;
  --shadow:0 8px 30px rgba(14,22,32,.08);
  --radius:14px;
  --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Inter,Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:10px;font-weight:700;font-size:15px;cursor:pointer;
  border:1px solid transparent;transition:.25s ease;white-space:nowrap;
}
.btn-primary{background:var(--ic-green);color:#fff;box-shadow:0 6px 18px rgba(93,78,123,.3);}
.btn-primary:hover{background:var(--ic-green-dark);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.btn-ghost:hover{background:rgba(255,255,255,.12);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:#22303f;}
.btn-outline{background:transparent;color:var(--ic-green);border-color:var(--ic-green);}
.btn-outline:hover{background:var(--ic-green-soft);}
.section{padding:84px 0;}
.eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:2px;text-transform:uppercase;
  color:var(--ic-green);background:var(--ic-green-soft);padding:6px 12px;border-radius:99px;margin-bottom:16px;}
h1,h2,h3{font-weight:800;line-height:1.2;color:var(--ink);}
h2{font-size:34px;letter-spacing:-.5px;}
h3{font-size:20px;}
.lead{color:var(--ink-soft);font-size:17px;margin-top:16px;max-width:640px;}
.section-head{text-align:center;margin-bottom:52px;}
.section-head .lead{margin:16px auto 0;}
.grid{display:grid;gap:24px;}
.cards-3{grid-template-columns:repeat(3,1fr);}
.cards-4{grid-template-columns:repeat(4,1fr);}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.25s ease;}
.card:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:#d6e6e0;}
.card .ico{width:48px;height:48px;border-radius:12px;background:var(--ic-green-soft);color:var(--ic-green);
  display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:18px;}
.tag{font-size:12px;font-weight:700;color:var(--muted);}
/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px;}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:19px;letter-spacing:-.3px;}
.brand .dot{width:26px;height:26px;border-radius:7px;background:var(--ic-green);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px;font-weight:900;}
.nav-links{display:flex;gap:28px;}
.nav-links a{font-size:14px;font-weight:600;color:var(--ink-soft);}
.nav-links a:hover{color:var(--ic-green);}
.nav-cta{display:flex;gap:10px;align-items:center;}
/* footer */
footer{background:var(--ink);color:#c7d0d9;padding:56px 0 28px;}
footer .container{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;}
footer h4{color:#fff;font-size:15px;margin-bottom:14px;}
footer ul{list-style:none;}
footer li{font-size:14px;margin-bottom:9px;}
footer li a:hover{color:var(--ic-green);}
.foot-bottom{border-top:1px solid #23303f;margin-top:40px;padding-top:20px;font-size:12px;color:#8a97a4;}
.disclaimer{font-size:12px;color:#8a97a4;margin-top:18px;line-height:1.6;}
/* trust strip */
.trust-strip{display:flex;flex-wrap:wrap;gap:32px;align-items:center;justify-content:center;opacity:.85;}
.trust-strip .item{display:flex;align-items:center;gap:9px;font-weight:700;color:var(--ink-soft);font-size:14px;}
/* responsive */
@media(max-width:900px){
  .cards-3,.cards-4{grid-template-columns:1fr 1fr;}
  footer .container{grid-template-columns:1fr 1fr;}
  .nav-links{display:none;}
}
@media(max-width:620px){
  .section{padding:60px 0;}
  h2{font-size:27px;}
  .cards-3,.cards-4{grid-template-columns:1fr;}
  footer .container{grid-template-columns:1fr;}
}
/* live ticker numbers */
.tick{font-variant-numeric:tabular-nums;font-weight:800;}
@keyframes pulseDot{0%,100%{opacity:1;}50%{opacity:.35;}}
.live-dot{width:8px;height:8px;border-radius:50%;background:#5d4e7b;display:inline-block;animation:pulseDot 1.4s infinite;}

/* ===== Zhishi 知识中心专用样式 ===== */
/* header 修复 */
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;backdrop-filter:blur(10px);background:rgba(255,255,255,.95);}
.site-header .wrap,.site-header>.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;height:68px;display:flex;align-items:center;justify-content:space-between;}
.site-header .logo{font-size:19px;font-weight:800;color:var(--ink);display:flex;align-items:center;gap:9px;}
.site-header .nav{display:flex;gap:28px;align-items:center;}
.site-header .nav a{font-size:14px;font-weight:600;color:var(--ink-soft);transition:color .2s;}
.site-header .nav a:hover{color:var(--ic-green);}

/* footer 修复 */
.site-footer{background:var(--ink);color:#c7d0d9;padding:48px 0 28px;margin-top:60px;}
.site-footer .wrap,.site-footer>.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;text-align:center;}
.site-footer p{font-size:13px;color:#8a97a4;}

/* 面包屑 */
.breadcrumb{font-size:13px;color:var(--muted);padding:18px 0 0;max-width:var(--maxw);margin:0 auto;padding-left:24px;padding-right:24px;}
.breadcrumb a{color:var(--ic-green);text-decoration:none;}
.breadcrumb a:hover{text-decoration:underline;}
.breadcrumb span{color:var(--ink);font-weight:500;}

/* 知识中心首页 */
.zhishi-index{max-width:var(--maxw);margin:0 auto;padding:32px 24px 64px;}
.zhishi-index h1{font-size:36px;margin-bottom:12px;line-height:1.2;}
.zhishi-index .lead{font-size:17px;color:var(--ink-soft);margin-bottom:40px;max-width:780px;}

/* 文章网格 */
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:32px;}
.article-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.25s ease;display:flex;flex-direction:column;}
.article-card:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:#d6e6e0;}
.article-card h3{font-size:18px;margin-bottom:12px;line-height:1.4;}
.article-card h3 a{color:var(--ink);text-decoration:none;}
.article-card h3 a:hover{color:var(--ic-green);}
.article-card p{font-size:14px;color:var(--ink-soft);margin-bottom:14px;flex:1;}
.article-card .keyword-list{list-style:none;padding:0;margin:0;border-top:1px dashed var(--line);padding-top:12px;}
.article-card .keyword-list li{font-size:12px;color:var(--muted);padding:4px 0;position:relative;padding-left:14px;line-height:1.5;}
.article-card .keyword-list li::before{content:"";position:absolute;left:0;top:11px;width:5px;height:5px;border-radius:50%;background:var(--ic-green);}

/* 文章页布局 */
.article{max-width:var(--maxw);margin:0 auto;padding:0 24px 60px;display:grid;grid-template-columns:1fr 280px;gap:48px;align-items:start;}
.article .post{min-width:0;}
.article h1{font-size:34px;line-height:1.25;margin-bottom:16px;}
.article .lead{font-size:17px;color:var(--ink-soft);margin-bottom:32px;padding-bottom:24px;border-bottom:1px solid var(--line);}

/* 目录 */
.toc{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:20px 24px;margin-bottom:36px;}
.toc h3{font-size:14px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:14px;}
.toc ol{padding-left:24px;margin:0;}
.toc ol li{font-size:14px;line-height:1.8;color:var(--ink-soft);}
.toc ol li a{color:var(--ink-soft);text-decoration:none;}
.toc ol li a:hover{color:var(--ic-green);text-decoration:underline;}

/* 文章正文 */
.post h2{font-size:24px;margin:40px 0 14px;padding-top:8px;border-top:1px solid var(--line);padding-top:24px;color:var(--ink);}
.post h2:first-of-type{border-top:none;padding-top:0;}
.post h3{font-size:18px;margin:24px 0 10px;color:var(--ink);}
.post p{margin-bottom:14px;color:var(--ink-soft);line-height:1.8;}
.post ul,.post ol{margin:14px 0 14px 24px;color:var(--ink-soft);}
.post ul li,.post ol li{margin-bottom:6px;line-height:1.8;}
.post strong{color:var(--ink);font-weight:700;}
.post em{font-style:normal;color:var(--ic-green);font-weight:600;}

/* 域名角度区块 */
#angle{background:var(--ic-green-soft);border-left:4px solid var(--ic-green);padding:24px 28px;border-radius:0 var(--radius) var(--radius) 0;margin:40px 0;}
#angle h2{margin-top:0;border-top:none;padding-top:0;}

/* FAQ */
.faq-section{background:var(--bg-soft);padding:32px;border-radius:var(--radius);margin:40px 0;}
.faq-section h2{font-size:22px;margin-bottom:20px;}
.faq-section dt{font-weight:700;color:var(--ink);margin-top:14px;font-size:15px;}
.faq-section dt:first-of-type{margin-top:0;}
.faq-section dd{color:var(--ink-soft);margin-left:24px;padding-left:14px;border-left:3px solid var(--ic-green-soft);margin-bottom:8px;font-size:14px;line-height:1.7;}

/* 侧边栏 */
.sidebar{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;position:sticky;top:88px;}
.sidebar h3{font-size:14px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:14px;margin-top:0;}
.sidebar h3:not(:first-child){margin-top:24px;padding-top:20px;border-top:1px solid var(--line);}
.sidebar ul{list-style:none;padding:0;margin:0;}
.sidebar ul li{font-size:13px;line-height:1.6;margin-bottom:10px;}
.sidebar ul li a{color:var(--ink-soft);text-decoration:none;transition:color .2s;}
.sidebar ul li a:hover{color:var(--ic-green);}

/* 更新时间 */
.update-time{font-size:12px;color:var(--muted);margin-top:32px;padding-top:20px;border-top:1px dashed var(--line);font-style:italic;}

/* 首页知识中心区块 */
.zhishi-section{background:var(--bg-soft);padding:64px 0;margin-top:48px;}
.zhishi-section h2{text-align:center;font-size:32px;margin-bottom:12px;}
.zhishi-section>p{text-align:center;color:var(--ink-soft);margin-bottom:40px;font-size:17px;}

/* 响应式 */
@media(max-width:980px){
  .article-grid{grid-template-columns:repeat(2,1fr);}
  .article{grid-template-columns:1fr;}
  .sidebar{position:static;margin-top:32px;}
}
@media(max-width:620px){
  .article-grid{grid-template-columns:1fr;}
  .article h1{font-size:26px;}
  .zhishi-index h1{font-size:28px;}
  .site-header .wrap{height:auto;flex-wrap:wrap;padding:14px 24px;gap:12px;}
  .site-header .nav{width:100%;justify-content:flex-start;flex-wrap:wrap;gap:18px;}
}

/* ===== zhishi-group 分组样式（之前漏写）===== */
.zhishi-group{margin:48px 0 24px;padding-top:8px;border-top:2px solid var(--line);}
.zhishi-group:first-of-type{border-top:none;margin-top:24px;}
.zhishi-group .group-title{font-size:22px;font-weight:800;color:var(--ink);margin-bottom:8px;display:flex;align-items:center;gap:12px;}
.zhishi-group .group-title::before{content:"";display:block;width:4px;height:22px;background:var(--ic-green);border-radius:2px;}
.zhishi-group .group-count{font-size:13px;font-weight:600;color:var(--muted);background:var(--bg-soft);padding:4px 10px;border-radius:99px;}
.zhishi-cta{background:linear-gradient(135deg,var(--ic-green-soft),#f0faf4);padding:48px 32px;border-radius:var(--radius);text-align:center;margin:48px 0 24px;}
.zhishi-cta h2{font-size:24px;margin-bottom:12px;color:var(--ink);}
.zhishi-cta p{color:var(--ink-soft);margin-bottom:24px;}
.zhishi-cta .btn-primary{font-size:16px;padding:14px 36px;}
@media(max-width:620px){.zhishi-group .group-title{font-size:18px;}.zhishi-cta{padding:32px 20px;}}

/* ===== Zhishi 板块 v2：增强视觉设计 ===== */

/* 主区域加 hero 大色块 */
.zhishi-index{background:#fff;padding:0 0 60px;}
.zhishi-index h1{font-size:42px;line-height:1.15;margin:32px 0 16px;color:var(--ink);font-weight:900;letter-spacing:-1px;position:relative;padding-left:18px;}
.zhishi-index h1::before{content:"";position:absolute;left:0;top:14px;width:6px;height:42px;background:var(--ic-green);border-radius:4px;}
.zhishi-index .lead{font-size:18px;color:var(--ink-soft);line-height:1.8;margin-bottom:32px;max-width:780px;padding:18px 24px;background:var(--ic-green-soft);border-radius:12px;border-left:4px solid var(--ic-green);}

/* 大统计条 */
.zhishi-stats{display:flex;gap:32px;margin-bottom:48px;padding:24px 32px;background:linear-gradient(135deg,var(--ic-green-soft),#fff);border-radius:12px;flex-wrap:wrap;}
.zhishi-stats .stat{display:flex;flex-direction:column;}
.zhishi-stats .stat-num{font-size:32px;font-weight:900;color:var(--ic-green);line-height:1.2;font-variant-numeric:tabular-nums;}
.zhishi-stats .stat-label{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:1px;margin-top:4px;}

/* 分组：竖条更粗、间距更大、底部加色条 */
.zhishi-group{margin:56px 0 28px;padding-bottom:8px;border-bottom:2px solid var(--line);}
.zhishi-group:first-of-type{margin-top:32px;}
.zhishi-group .group-title{font-size:26px;font-weight:800;color:var(--ink);margin-bottom:18px;display:flex;align-items:center;gap:14px;padding:8px 0;}
.zhishi-group .group-title::before{content:"";display:block;width:6px;height:30px;background:linear-gradient(180deg,var(--ic-green),var(--ic-green-dark));border-radius:4px;box-shadow:0 2px 8px rgba(15,169,88,.3);}
.zhishi-group .group-count{font-size:14px;font-weight:700;color:var(--ic-green);background:var(--ic-green-soft);padding:6px 14px;border-radius:99px;border:1px solid var(--ic-green);}

/* 卡片网格：gap 加大 */
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}

/* 卡片：阴影 + 大圆角 + 顶条 + hover */
.article-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px 22px 22px;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;position:relative;overflow:hidden;box-shadow:0 2px 8px rgba(14,22,32,.04);}
.article-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--ic-green),var(--ic-green-dark));transform:scaleX(0);transform-origin:left;transition:transform .3s ease;}
.article-card:hover{box-shadow:0 12px 32px rgba(15,169,88,.15);transform:translateY(-6px);border-color:var(--ic-green);}
.article-card:hover::before{transform:scaleX(1);}
.article-card h3{font-size:17px;margin:0 0 12px;line-height:1.45;color:var(--ink);font-weight:700;}
.article-card h3 a{color:inherit;text-decoration:none;}
.article-card h3 a:hover{color:var(--ic-green);}
.article-card p{font-size:14px;color:var(--ink-soft);margin:0 0 16px;flex:1;line-height:1.7;}

/* 关键词列表：从 bullet 改成彩色 tag */
.keyword-list{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:6px;border-top:1px dashed var(--line);padding-top:14px;}
.keyword-list li{font-size:12px;color:var(--ic-green-dark);background:var(--ic-green-soft);padding:4px 10px;border-radius:6px;line-height:1.5;font-weight:500;}

/* CTA 区：加大、渐变、更突出 */
.zhishi-cta{background:linear-gradient(135deg,var(--ic-green) 0%,var(--ic-green-dark) 100%);padding:56px 32px;border-radius:20px;text-align:center;margin:64px 0 32px;box-shadow:0 12px 40px rgba(15,169,88,.25);color:#fff;}
.zhishi-cta h2{font-size:28px;margin:0 0 12px;color:#fff;font-weight:800;}
.zhishi-cta p{color:rgba(255,255,255,.92);margin:0 0 28px;font-size:16px;}
.zhishi-cta .btn-primary{background:#fff;color:var(--ic-green);font-size:17px;padding:16px 40px;border-radius:10px;font-weight:800;box-shadow:0 6px 20px rgba(0,0,0,.15);}
.zhishi-cta .btn-primary:hover{background:var(--bg-soft);transform:translateY(-2px);}

/* 响应式 */
@media(max-width:980px){.article-grid{grid-template-columns:repeat(2,1fr);}.zhishi-index h1{font-size:34px;}.zhishi-stats{gap:20px;padding:20px;}}
@media(max-width:620px){.article-grid{grid-template-columns:1fr;}.zhishi-index h1{font-size:26px;padding-left:14px;}.zhishi-index h1::before{width:4px;height:28px;top:10px;}.zhishi-index .lead{font-size:16px;padding:14px 18px;}.zhishi-group .group-title{font-size:20px;}.zhishi-cta{padding:40px 20px;}.zhishi-cta h2{font-size:22px;}}

/* 内链网 sidebar 多级列表 */
.sidebar h4{font-size:12px;font-weight:700;color:var(--ic-green);text-transform:uppercase;letter-spacing:1px;margin:18px 0 8px;padding-bottom:6px;border-bottom:1px solid var(--ic-green-soft);display:flex;align-items:center;justify-content:space-between;}
.sidebar h4 .count{font-size:10px;font-weight:600;color:var(--muted);background:var(--ic-green-soft);padding:2px 8px;border-radius:99px;}
.sidebar h4:not(:first-of-type){margin-top:18px;}