.container{max-width:1920px;margin:0 auto;padding:0 20px}header{background:linear-gradient(90deg,#4b6cb7,#182848);color:#fff;padding:10px 0;text-align:center;box-shadow:0 4px 12px #0000001a;margin-bottom:40px}.logo{display:flex;align-items:center;justify-content:center;margin-bottom:15px}.logo i{font-size:1.5rem;margin-right:15px;color:#6dd5ed}.logo h1{font-size:1.5rem;font-weight:700;margin:0}.tagline{font-size:1rem;opacity:.9;max-width:1920px;margin:0 auto}.tools-section{margin-bottom:40px}.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:25px}.tool-card{background:#fff;border-radius:15px;overflow:hidden;box-shadow:0 5px 15px #00000014;transition:all .3s ease;cursor:pointer;display:flex;flex-direction:column;text-decoration:none;opacity:0;animation:fadeInUp .5s ease forwards}@keyframes fadeInUp{to{opacity:1;transform:translateY(0)}}.tool-card:hover{transform:translateY(-10px);box-shadow:0 15px 30px #00000026}.tool-icon{height:60px;display:flex;align-items:center;justify-content:center;font-size:2.5rem;color:#fff}.mortgage-calc{background:linear-gradient(135deg,#667eea,#764ba2)}.social-security{background:linear-gradient(135deg,#f093fb,#f5576c)}.tax-calc{background:linear-gradient(135deg,#4facfe,#00f2fe)}.loan-calc{background:linear-gradient(135deg,#43e97b,#38f9d7)}.retirement{background:linear-gradient(135deg,#fa709a,#fee140)}.investment{background:linear-gradient(135deg,#a8edea,#fed6e3);color:#333}.tool-content{padding:25px;flex:1;display:flex;flex-direction:column}.tool-card h3{font-size:1.2rem;margin-bottom:10px;color:#182848}.tool-card p{color:#666;margin-bottom:20px;font-size:.85rem}.use-tool-btn{display:inline-block;background:#4b6cb7;color:#fff;padding:10px 20px;border-radius:50px;text-decoration:none;font-weight:600;transition:background .3s;border:none;font-size:.9rem;cursor:pointer;margin-top:auto}.use-tool-btn:hover{background:#3a5795}footer{text-align:center;margin-top:50px;color:#666;font-size:.9rem}.footer-links{margin-bottom:15px}.footer-links a{color:#4b6cb7;text-decoration:none;margin:0 10px}.footer-links a:hover{text-decoration:underline}.icp-info{font-size:.85rem;color:#999}.icp-info a{color:#999;text-decoration:none;transition:color .3s}.icp-info a:hover{color:#4b6cb7}.beian-info{display:flex;align-items:center;justify-content:center;gap:20px;margin-top:15px;flex-wrap:wrap}.psb-info{font-size:.85rem;color:#999}.psb-info a{color:#999;text-decoration:none;transition:color .3s;display:flex;align-items:center;gap:5px}.psb-info a:hover{color:#4b6cb7}.psb-info img{width:16px;height:16px}@media(max-width:768px){.logo h1{font-size:2rem}.tagline{font-size:1rem;padding:0 15px}.tools-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}.tool-icon{display:none}}@media(max-width:480px){.tools-grid{grid-template-columns:1fr}.tool-icon{height:100px;font-size:2.8rem;display:flex}}