.index-container{min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;justify-content:center;align-items:center;padding:40px 20px}.index-content{background:#fff;border-radius:16px;padding:48px;max-width:900px;width:100%;box-shadow:0 20px 60px #0003}.index-header{text-align:center;margin-bottom:48px}.index-header h1{font-size:36px;color:#333;margin-bottom:12px}.index-header p{font-size:18px;color:#666}.index-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:24px;margin-bottom:48px}.index-card{display:flex;align-items:center;padding:24px;background:#f9f9f9;border-radius:12px;text-decoration:none;transition:all .3s ease;border:2px solid transparent}.index-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px #0000001f;border-color:#1890ff}.card-icon{width:56px;height:56px;border-radius:12px;display:flex;justify-content:center;align-items:center;font-size:28px;color:#fff;margin-right:20px;flex-shrink:0}.card-info h3{font-size:18px;color:#333;margin-bottom:8px}.card-info p{font-size:14px;color:#888;margin:0}.index-guide{background:#f0f7ff;padding:24px;border-radius:12px;border-left:4px solid #1890ff}.index-guide h2{font-size:18px;color:#333;margin-bottom:16px;display:flex;align-items:center;gap:8px}.index-guide ol{margin:0;padding-left:24px}.index-guide li{font-size:15px;color:#555;line-height:2}.index-guide li strong{color:#1890ff}body{margin:0;background:#f0f2f5;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.login-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2)}.login-card{width:400px;padding:40px;background:#fff;border-radius:8px;box-shadow:0 2px 20px #0000001a}.login-card h2{text-align:center;margin-bottom:30px;color:#333}.page-container{padding:24px;max-width:1200px;margin:0 auto}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.nav-tabs{margin-bottom:16px}