body {
    background-color: #fcfcfc;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    font-size: 14px;
    margin: 0;
    padding: 0;
}

.container {
    width: 600px;
    margin: 20px auto;
    background: linear-gradient(#f8f8f8, #fdfdfd);
    border: 2px solid #cccccc;
    box-shadow: 0 0 10px #bbb;
    min-height: 700px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.title-bar {
    position: relative;
    background: linear-gradient(145deg, 
        rgba(255, 255, 255, 0.8) 0%, 
        rgba(220, 220, 255, 0.4) 40%, 
        rgba(180, 200, 255, 0.25) 60%, 
        rgba(255, 255, 255, 0.7) 100%);
    border-bottom: 1px solid #aac;
    font-family: 'Arial Black', Arial, sans-serif;
    font-size: 28px;
    text-align: center;
    padding: 20px 0;
    color: #003366;
    text-transform: lowercase;
    font-weight: 800;
    box-shadow: 
        inset 0 3px 8px rgba(255, 255, 255, 0.9),
        inset 0 -3px 6px rgba(0, 0, 100, 0.15),
        0 4px 8px rgba(0, 0, 80, 0.25);
    text-shadow: 0 1px 1px rgba(255, 255, 255, 0.7);
}

.title-bar::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 10%;
    width: 80%;
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-50%);
    pointer-events: none;
}

.nav-bar {
    background: linear-gradient(#f0faff, #d9f0ff);
    position: relative;
    padding: 5px 10px;
    border-bottom: 2px solid #aac;
    height: 20px;
}

.nav-center {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    gap: 15px;
}

.nav-center a {
    text-decoration: none;
    color: #003366;
    font-weight: bold;
}

.nav-center a:hover {
    text-decoration: underline;
}

.nav-right {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
}

.nav-right a {
    text-decoration: underline;
    color: #003366;
    font-size: 12px;
}

.notice-bar {
    background: linear-gradient(#EDF5FF, #F7F9FF);
    padding: 4px;
    text-align: center;
    font-weight: bold;
    color: #003366;
    border-bottom: 2px solid #aac;
    font-size: 13px;
}

.content-area {
    padding: 30px;
    font-size: 15px;
    line-height: 1.5;
    flex-grow: 1;
}

.footer-bar {
    background: linear-gradient(#e0f0ff, #d0e7ff);
    padding: 10px;
    text-align: center;
    border-top: 2px solid #aac;
    font-size: 12px;
    color: #003366;
}