:root{color-scheme:light;--ink: #102033;--muted: #5f6f84;--line: #dbe7f3;--paper: #ffffff;--soft: #eef7ff;--soft-2: #f6fbff;--primary: #0b5cab;--primary-2: #0e7490;--radius: 8px;font-family:Microsoft YaHei,PingFang SC,Noto Sans SC,Arial,sans-serif}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--paper)}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}.container{width:min(1120px,calc(100% - 32px));margin:0 auto}.site-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:22px;padding:14px clamp(18px,4vw,44px);border-bottom:1px solid var(--line);background:#fffffff0;backdrop-filter:blur(12px)}.brand{display:grid;gap:2px;min-width:220px}.brand strong{color:var(--primary);font-size:20px}.brand span{color:var(--muted);font-size:12px}nav{display:flex;flex:1;flex-wrap:wrap;gap:12px;align-items:center}nav a,.lang-link{color:var(--muted);font-size:14px}nav a:hover,.lang-link:hover{color:var(--primary)}.hero,.page-hero{background:linear-gradient(180deg,var(--soft),#fff);border-bottom:1px solid var(--line)}.hero-inner,.page-hero .container{padding:clamp(54px,8vw,96px) 0}.eyebrow,.pill{display:inline-flex;width:fit-content;border:1px solid #b9d8f5;border-radius:999px;padding:5px 10px;color:var(--primary);background:#fff;font-size:13px}h1,h2,h3,p{margin-top:0}h1{max-width:920px;margin-bottom:18px;font-size:clamp(36px,6vw,68px);line-height:1.05;letter-spacing:0}h2{margin-bottom:18px;color:var(--primary);font-size:28px}h3{margin-bottom:10px;font-size:20px}p{color:var(--muted);line-height:1.75}.hero p,.page-hero p{max-width:760px;font-size:18px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:42px;border-radius:var(--radius);padding:0 18px;color:#fff;background:var(--primary);font-weight:700}.button.ghost{border:1px solid var(--primary);color:var(--primary);background:#fff}.band{padding:44px 0}.grid,.axis-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.card,.axis{display:block;min-height:150px;border:1px solid var(--line);border-radius:var(--radius);padding:20px;background:var(--soft-2)}.card:hover{border-color:#a7cdea;transform:translateY(-1px)}.axis{background:#fff}.axis strong{display:block;margin-bottom:8px;color:var(--primary-2)}.axis span{color:var(--muted);line-height:1.6}.article-shell{width:min(860px,calc(100% - 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