.welcome-wrap { max-width:960px; margin:0 auto; }
.welcome-header { background:linear-gradient(135deg,#1a73e8,#0d47a1); color:#fff; padding:28px 32px; border-radius:12px; margin-bottom:24px; }
.welcome-header h1 { margin:0; font-size:22px; font-weight:600; }
.welcome-header p { margin:8px 0 0; opacity:0.85; font-size:13px; }
.welcome-section-title { margin:0 0 12px; font-size:15px; color:#333; border-bottom:2px solid #1a73e8; padding-bottom:6px; }
.welcome-projects { width:100%; border-collapse:separate; border-spacing:10px; margin-bottom:20px; }
.welcome-projects td { width:25%; padding:16px; border-radius:8px; vertical-align:top; }
.welcome-projects td a { text-decoration:none; }
.welcome-projects .prj-name { font-size:14px; font-weight:bold; }
.welcome-projects .prj-desc { font-size:11px; color:#666; margin-top:4px; display:block; }
.prj-ai { background:#e3f2fd; border:1px solid #90caf9; }
.prj-ai .prj-name { color:#1565c0; }
.prj-wing { background:#e8f5e9; border:1px solid #a5d6a7; }
.prj-wing .prj-name { color:#2e7d32; }
.prj-mda { background:#fff3e0; border:1px solid #ffcc80; }
.prj-mda .prj-name { color:#e65100; }
.prj-mof { background:#f3e5f5; border:1px solid #ce93d8; }
.prj-mof .prj-name { color:#7b1fa2; }
.welcome-cols { width:100%; border-collapse:separate; border-spacing:10px 0; margin-bottom:20px; }
.welcome-cols td { width:50%; padding:16px; background:#fafafa; border-radius:8px; border:1px solid #e0e0e0; vertical-align:top; }
.welcome-cols h4 { margin:0 0 10px; font-size:14px; color:#333; }
.welcome-cols ul { margin:0; padding:0 0 0 18px; font-size:13px; line-height:2.0; }
.welcome-guide { background:#fff8e1; padding:16px 20px; border-radius:8px; border:1px solid #ffe082; margin-bottom:16px; }
.welcome-guide h4 { margin:0 0 10px; font-size:14px; color:#f57f17; }
.welcome-guide table { font-size:13px; border-collapse:collapse; width:100%; }
.welcome-guide td { padding:5px 10px; }
.welcome-guide .label { font-weight:bold; width:100px; vertical-align:top; color:#555; }