*{box-sizing:border-box;margin:0;padding:0}
:root{
--bg:#fafaf9;--sidebar:#1e293b;--sidebar-text:#cbd5e1;--sidebar-hover:#334155;
--sidebar-active:#3b82f6;--text:#1a1a1a;--text2:#64748b;--link:#2563eb;
--border:#e2e8f0;--accent:#f59e0b;--card-bg:#fff;--quote-bg:#fffbeb;--quote-border:#f59e0b;
--bl-bg:#f1f5f9;--sidebar-w:260px;--font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
}
html{font-size:15px}
body{font-family:var(--font);color:var(--text);background:var(--bg);display:flex;min-height:100vh;line-height:1.8}

/* === SIDEBAR === */
.sidebar{width:var(--sidebar-w);background:var(--sidebar);position:fixed;top:0;left:0;bottom:0;
overflow-y:auto;z-index:100;display:flex;flex-direction:column}
.sidebar-header{padding:20px 16px 16px;border-bottom:1px solid rgba(255,255,255,.08)}
.logo{color:#fff;font-size:17px;font-weight:700;text-decoration:none;letter-spacing:.5px}
.sidebar-nav{flex:1;padding:8px 0;overflow-y:auto}
.sidebar-nav::-webkit-scrollbar{width:4px}
.sidebar-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.15);border-radius:2px}

.nav-link{display:block;padding:6px 16px;color:var(--sidebar-text);text-decoration:none;
font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;border-left:3px solid transparent;transition:all .15s}
.nav-link:hover{background:var(--sidebar-hover);color:#fff}
.nav-link.active{color:#fff;background:rgba(59,130,246,.15);border-left-color:var(--sidebar-active);font-weight:600}
.nav-home{font-size:14px;padding:10px 16px;font-weight:500;margin-bottom:4px}

.nav-group{margin-bottom:2px}
.nav-group-title{padding:8px 16px;color:var(--sidebar-text);font-size:12px;font-weight:600;
text-transform:uppercase;letter-spacing:.5px;cursor:pointer;display:flex;align-items:center;gap:6px;user-select:none;transition:color .15s}
.nav-group-title:hover{color:#fff}
.caret{display:inline-block;width:0;height:0;border-left:5px solid var(--sidebar-text);border-top:4px solid transparent;
border-bottom:4px solid transparent;transition:transform .2s}
.nav-group-title.open .caret{transform:rotate(90deg);border-left-color:#fff}
.badge{margin-left:auto;background:rgba(255,255,255,.1);color:var(--sidebar-text);font-size:11px;
padding:1px 6px;border-radius:8px;font-weight:400}
.nav-group-items{display:none;padding-left:8px}
.nav-group-items.open{display:block}

.hamburger{display:none;position:fixed;top:12px;left:12px;z-index:200;background:var(--sidebar);
color:#fff;border:none;font-size:20px;padding:6px 10px;border-radius:6px;cursor:pointer}

/* === MAIN === */
.main{margin-left:var(--sidebar-w);flex:1;max-width:820px;padding:32px 48px 80px}

/* === ARTICLE === */
.meta{font-size:13px;color:var(--text2);margin-bottom:16px;display:flex;align-items:center;gap:8px}
.english-name{font-style:italic}
.type-badge{font-size:11px;padding:2px 8px;border-radius:4px;color:#fff;font-weight:600}
.type-概念{background:#8b5cf6}.type-公司{background:#0891b2}.type-人物{background:#dc2626}
.type-股东信{background:#059669}.type-合伙人信{background:#d97706}.type-特别信件{background:#6366f1}.type-索引{background:#64748b}

.article h1{font-size:28px;line-height:1.3;margin-bottom:24px;font-weight:800}
.article h2{font-size:21px;margin:36px 0 14px;padding-bottom:8px;border-bottom:2px solid var(--border);font-weight:700}
.article h3{font-size:17px;margin:24px 0 10px;font-weight:600}
.article p{margin:10px 0}
.article ul,.article ol{padding-left:24px;margin:10px 0}
.article li{margin:4px 0}

.article a.wikilink{color:var(--link);text-decoration:none;
background:linear-gradient(to bottom,transparent 60%,rgba(37,99,235,.1) 60%);transition:background .2s}
.article a.wikilink:hover{background:linear-gradient(to bottom,transparent 40%,rgba(37,99,235,.2) 40%)}
.article .broken-link{color:#aaa;text-decoration:line-through}

.article blockquote{background:var(--quote-bg);border-left:4px solid var(--quote-border);
padding:14px 20px;margin:16px 0;border-radius:0 8px 8px 0;font-style:italic;color:#78350f}

.article table{border-collapse:collapse;width:100%;margin:16px 0;font-size:14px}
.article th,.article td{border:1px solid var(--border);padding:8px 12px;text-align:left}
.article th{background:#f8fafc;font-weight:600}
.article strong{font-weight:700}
.article hr{border:none;border-top:1px solid var(--border);margin:32px 0}

/* === BACKLINKS === */
.backlinks{margin-top:48px;padding:24px;background:var(--bl-bg);border-radius:12px;border:1px solid var(--border)}
.backlinks h2{font-size:15px;color:var(--text2);margin-bottom:14px;border:none;padding:0;font-weight:600}
.bl-grid{display:flex;flex-wrap:wrap;gap:8px}
.bl-card{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;background:var(--card-bg);
border:1px solid var(--border);border-radius:8px;font-size:13px;color:var(--text);text-decoration:none;transition:all .15s}
.bl-card:hover{border-color:var(--link);box-shadow:0 2px 8px rgba(37,99,235,.1);transform:translateY(-1px)}
.bl-name{font-weight:500}.bl-type{font-size:11px;color:var(--text2)}

/* === HOMEPAGE === */
.homepage .hero{font-size:16px;color:var(--text2);margin-bottom:32px;line-height:1.6}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:40px}
.card{display:flex;flex-direction:column;align-items:center;padding:24px 16px;background:var(--card-bg);
border:1px solid var(--border);border-radius:12px;text-decoration:none;text-align:center;transition:all .2s}
.card:hover{box-shadow:0 8px 24px rgba(0,0,0,.06);transform:translateY(-3px);border-color:var(--link)}
.card-icon{font-size:36px;margin-bottom:10px}
.card-title{font-size:16px;font-weight:700;color:var(--text)}
.card-sub{font-size:13px;color:var(--text2);margin-top:4px}

.tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:32px}
.tag{display:inline-flex;align-items:center;gap:6px;padding:6px 16px;background:var(--card-bg);
border:1px solid var(--border);border-radius:20px;font-size:14px;color:var(--text);text-decoration:none;transition:all .2s}
.tag:hover{border-color:var(--link);color:var(--link);box-shadow:0 2px 8px rgba(37,99,235,.08)}
.tag-n{background:var(--accent);color:#fff;font-size:11px;padding:1px 7px;border-radius:10px;font-weight:600}

/* === RESPONSIVE === */
@media(max-width:768px){
.sidebar{transform:translateX(-100%);transition:transform .3s}.sidebar.open{transform:translateX(0)}
.hamburger{display:block}.main{margin-left:0;padding:20px 16px 60px}.cards{grid-template-columns:1fr 1fr}
}