/* 豪门国际官网 公共样式 - 全球商业情报台风格 */
:root{
  --bg:#f7f5f1;
  --card:#ffffff;
  --ink:#1c1b18;
  --line:#e5e0d2;
  --line-dash:#d0c9b6;
  --navy:#1c3d52;
  --navy-soft:#e8eef3;
  --green:#245c46;
  --green-soft:#e7f1ec;
  --orange:#b4581c;
  --orange-soft:#faf1e4;
  --purple:#5a4989;
  --purple-soft:#f0edf8;
  --sub:#5c5750;
  --muted:#928c7c;
}
*{box-sizing:border-box;}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;}
a{color:var(--navy);text-decoration:none;}
a:hover{text-decoration:underline;}
img{max-width:100%;display:block;height:auto;}
.wrap{max-width:1180px;margin:0 auto;padding:0 22px;}
h1,h2,h3,h4{line-height:1.5;}

/* Header */
.site-header{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:80;}
.bar{max-width:1180px;margin:0 auto;padding:0 22px;display:flex;align-items:center;justify-content:space-between;height:66px;}
.brand{display:flex;align-items:center;gap:8px;font-size:19px;font-weight:700;color:var(--ink);}
.brand img{width:30px;height:30px;}
.brand:hover{text-decoration:none;}
.main-nav ul{display:flex;gap:2px;list-style:none;margin:0;padding:0;flex-wrap:wrap;}
.main-nav a{display:block;padding:9px 11px;font-size:14px;color:var(--sub);border-radius:3px;}
.main-nav a:hover,.main-nav a.active{background:var(--navy-soft);color:var(--navy);text-decoration:none;}
.menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:4px;padding:6px 10px;font-size:20px;cursor:pointer;}
@media(max-width:1040px){
  .main-nav{position:fixed;top:66px;left:0;right:0;background:var(--card);border-bottom:1px solid var(--line);max-height:0;overflow:hidden;transition:max-height .25s;}
  .main-nav.open{max-height:500px;}
  .main-nav ul{flex-direction:column;padding:8px 16px 16px;}
  .menu-toggle{display:block;}
}

/* Breadcrumb */
.crumb{font-size:13px;color:var(--muted);padding:12px 0;border-bottom:1px solid var(--line);background:var(--card);}
.crumb a{color:var(--muted);}
.crumb span{margin:0 6px;}

/* Hero */
.hero{padding:46px 0 40px;background:var(--card);border-bottom:1px solid var(--line);}
.hero-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:center;}
@media(max-width:860px){.hero-grid{grid-template-columns:1fr;}}
.hero h1{font-size:27px;margin:0 0 16px;}
.hero p{color:var(--sub);font-size:15px;margin:0 0 16px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:10px;}

/* Section */
main{padding:40px 0 60px;}
section{margin-bottom:48px;}
.sec-label{display:inline-block;font-size:12px;letter-spacing:.06em;color:var(--navy);background:var(--navy-soft);padding:3px 10px;border-radius:12px;margin-bottom:10px;}
h2.sec-title{font-size:22px;margin:0 0 16px;border-left:4px solid var(--navy);padding-left:12px;}
h3{font-size:17px;margin:22px 0 8px;}
p{margin:0 0 14px;}
.lead{color:var(--sub);font-size:15px;}

/* Buttons */
.btn{display:inline-block;background:var(--navy);color:#fff;padding:10px 20px;border-radius:4px;font-size:14px;font-weight:600;}
.btn:hover{background:#12293a;color:#fff;text-decoration:none;}
.btn-outline{display:inline-block;border:1px solid var(--navy);color:var(--navy);padding:9px 19px;border-radius:4px;font-size:14px;font-weight:600;}
.btn-ghost{display:inline-block;border:1px solid var(--line);color:var(--sub);padding:9px 19px;border-radius:4px;font-size:14px;}

/* Grid / cards */
.grid{display:grid;gap:18px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
@media(max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}}
@media(max-width:600px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}}
.card{background:var(--card);border:1px solid var(--line);border-radius:6px;padding:16px;}
.var-box{background:var(--card);border:1px solid var(--line);border-radius:6px;padding:14px;}
.var-box h4{margin:0 0 6px;font-size:14px;color:var(--navy);}
.var-box p{margin:0;font-size:13px;color:var(--sub);}

/* 市场进入检查表 checklist */
.check-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;}
@media(max-width:800px){.check-grid{grid-template-columns:repeat(2,1fr);}}
.check-item{border:1px solid var(--line);border-radius:6px;padding:12px 14px;background:var(--card);}
.check-item h4{margin:0 0 6px;font-size:14px;color:var(--purple);}
.check-item p{margin:0;font-size:13px;color:var(--sub);}
.check-verdict{display:inline-block;font-size:12px;padding:3px 10px;border-radius:10px;margin-top:10px;background:var(--green-soft);color:var(--green);}

/* 问题树 problem tree */
.tree{margin-left:6px;}
.tree .branch{border-left:2px dashed var(--line-dash);padding-left:18px;margin:10px 0 10px 10px;}
.tree .node{background:var(--card);border:1px solid var(--line);border-radius:4px;padding:8px 12px;display:inline-block;font-size:14px;margin-bottom:6px;}
.tree .node.root{border-color:var(--navy);color:var(--navy);font-weight:600;}
.tree .node.leaf{font-size:13px;color:var(--sub);border-style:dashed;}

/* 来源证据标签 evidence source tag */
.evidence-box{border:1px dashed var(--line-dash);border-radius:6px;padding:14px 16px;background:#fdfcf9;margin:14px 0;}
.evidence-box h4{margin:0 0 8px;font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;}
.evidence-box ul{margin:0;padding-left:18px;font-size:13px;color:var(--sub);}
.evidence-box li{margin-bottom:4px;}
.source-tag{display:inline-block;font-size:11px;padding:2px 8px;border-radius:10px;background:var(--purple-soft);color:var(--purple);margin-right:4px;}

/* Agent权限分级 permission level */
.permission-row{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0;}
.permission-level{flex:1;min-width:110px;border:1px solid var(--line);border-radius:6px;padding:10px 12px;text-align:center;background:var(--card);}
.permission-level .num{display:block;font-size:18px;font-weight:700;color:var(--navy);}
.permission-level .name{font-size:12px;color:var(--sub);}
.hitl-badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;background:var(--orange-soft);color:var(--orange);padding:4px 10px;border-radius:12px;}

/* 世界地图/航线 flow */
.flow-row{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;margin:14px 0;}
.flow-row .step{background:var(--navy-soft);color:var(--navy);padding:8px 14px;border-radius:20px;white-space:nowrap;}
.flow-row .arrow{color:var(--muted);}

/* Callouts */
.callout{border-left:4px solid var(--orange);background:var(--orange-soft);padding:14px 16px;border-radius:4px;margin:16px 0;font-size:14px;}
.callout.info{border-left-color:var(--navy);background:var(--navy-soft);}
.callout.note{border-left-color:var(--green);background:var(--green-soft);}
.callout h4{margin:0 0 6px;font-size:14px;}

/* Timeline */
.timeline{border-left:2px solid var(--line);margin-left:8px;padding-left:20px;}
.timeline .t-item{position:relative;margin-bottom:20px;}
.timeline .t-item::before{content:"";position:absolute;left:-25px;top:4px;width:9px;height:9px;border-radius:50%;background:var(--navy);}
.timeline .t-date{font-size:12px;color:var(--muted);}
.timeline .t-cat{font-size:12px;color:var(--purple);margin-left:4px;}

/* 文章卡片 */
.article-card{background:var(--card);border:1px solid var(--line);border-radius:6px;overflow:hidden;display:flex;flex-direction:column;}
.article-card img{width:100%;}
.article-card .body{padding:16px;}
.article-card .cat{font-size:11px;color:var(--purple);background:var(--purple-soft);padding:2px 9px;border-radius:10px;}
.article-card .date{font-size:12px;color:var(--muted);margin-left:6px;}
.article-card h3{margin:10px 0 8px;font-size:16px;}
.article-card .excerpt{font-size:13px;color:var(--sub);margin-bottom:8px;}
.article-card .preview{font-size:13px;color:#3d3a34;border-top:1px dashed var(--line);padding-top:10px;margin-top:6px;}
.article-card .readmore{display:inline-block;margin-top:10px;font-size:13px;font-weight:600;}

/* Data table */
table.data-table{width:100%;border-collapse:collapse;font-size:14px;margin:16px 0;background:var(--card);}
table.data-table th,table.data-table td{border:1px solid var(--line);padding:9px 12px;text-align:left;vertical-align:top;}
table.data-table th{background:var(--navy-soft);color:var(--navy);}

/* FAQ */
.faq-item{border-bottom:1px solid var(--line);padding:14px 0;}
.faq-item .q{font-weight:700;margin-bottom:6px;cursor:pointer;display:flex;justify-content:space-between;}
.faq-item .a{color:var(--sub);font-size:14px;display:none;}
.faq-item.open .a{display:block;}
.faq-item .q::after{content:"+";font-size:18px;color:var(--muted);}
.faq-item.open .q::after{content:"−";}

/* article detail (news.html) */
.article-detail{max-width:820px;}
.article-meta-box{background:var(--card);border:1px solid var(--line);border-radius:6px;padding:14px 16px;font-size:13px;color:var(--sub);margin-bottom:20px;}
.article-meta-box div{margin-bottom:3px;}
.article-detail h2{font-size:20px;margin-top:32px;}
.article-detail h3{font-size:16px;}
.article-detail ul,.article-detail ol{padding-left:22px;}
.article-detail li{margin-bottom:6px;}

/* sidebar */
.layout-2col{display:grid;grid-template-columns:2.3fr 1fr;gap:32px;align-items:start;}
@media(max-width:900px){.layout-2col{grid-template-columns:1fr;}}
.side-box{background:var(--card);border:1px solid var(--line);border-radius:6px;padding:16px;margin-bottom:18px;}
.side-box h4{margin:0 0 10px;font-size:14px;border-bottom:1px solid var(--line);padding-bottom:8px;}
.side-box ul{list-style:none;margin:0;padding:0;font-size:13px;}
.side-box li{margin-bottom:9px;}

/* footer */
.site-footer{background:var(--ink);color:#c9c4b6;padding:40px 0 20px;font-size:13px;}
.footer-top{display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px;margin-bottom:24px;padding-bottom:24px;border-bottom:1px solid #3a362f;}
.footer-brand{font-size:18px;color:#fff;font-weight:700;}
.footer-slogan{color:#9a9384;font-size:13px;margin-top:4px;}
.footer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:20px;}
.footer-grid h5{color:#fff;font-size:14px;margin:0 0 10px;}
.footer-grid ul{list-style:none;margin:0;padding:0;}
.footer-grid li{margin-bottom:6px;}
.footer-grid a{color:#c9c4b6;}
.footer-bottom{color:#8a8474;font-size:12px;line-height:1.9;}
@media(max-width:700px){.footer-grid{grid-template-columns:1fr;}}

.back-top{position:fixed;right:20px;bottom:20px;background:var(--card);border:1px solid var(--line);border-radius:50%;width:42px;height:42px;display:none;align-items:center;justify-content:center;box-shadow:0 2px 8px rgba(0,0,0,.1);cursor:pointer;font-size:18px;color:var(--navy);}
.back-top.show{display:flex;}