.main-content{min-height:calc(100vh - 60px)}.not-found-page{min-height:60vh;display:flex;align-items:center;justify-content:center;text-align:center}.not-found-content h1{font-size:80px;font-weight:200;color:#c9372e;margin-bottom:10px}.not-found-content h2{font-size:24px;color:#333;margin-bottom:10px}.not-found-content p{color:#999;margin-bottom:30px}.back-home{display:inline-block;padding:10px 30px;background:#c9372e;color:#fff;text-decoration:none;border-radius:4px;transition:background .2s}.back-home:hover{background:#a82d26}.header{background:#fff;border-bottom:1px solid #e5e5e5;position:sticky;top:0;z-index:100}.header-container{max-width:1200px;margin:0 auto;padding:0 20px;height:60px;display:flex;align-items:center;justify-content:space-between}.logo{font-size:24px;font-weight:700;color:#c9372e;text-decoration:none}.nav{display:flex;gap:30px}.nav-link{color:#666;text-decoration:none;font-size:15px;transition:color .2s}.nav-link:hover{color:#c9372e}.header .search-box{width:220px}.header .search-box input{width:100%;padding:8px 35px 8px 12px;border:1px solid #e5e5e5;border-radius:20px;font-size:14px;outline:none;transition:border-color .2s}.header .search-box input:focus{border-color:#c9372e}.header .search-box button{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:none;cursor:pointer;color:#999;padding:0;display:flex}.header .search-box button:hover{color:#c9372e}@media (max-width:768px){.nav{display:none}.header .search-box{width:180px}}.footer{background:#fff;border-top:1px solid #e5e5e5;padding:30px 20px;margin-top:40px}.footer-container{max-width:1200px;margin:0 auto;text-align:center}.footer-links{margin-bottom:15px}.footer-links a{color:#666;text-decoration:none;font-size:14px}.footer-links a:hover{color:#c9372e}.footer-links span{color:#e5e5e5;margin:0 15px}.copyright{font-size:13px;color:#999;margin-top:10px}.copyright a{color:#999;text-decoration:none}.copyright a:hover{color:#c9372e}