* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    background: #ffffff;
    color: #333;
    line-height: 1.6;
}

/* HEADER */
.site-header {
    display: flex;
    align-items: center;
    padding: 15px 30px;
    border-bottom: 2px solid #e5e5e5;
}

.header-left img {
    width: 90px;
}

.header-right {
    margin-left: 20px;
}

.header-right h1 {
    font-size: 14px;
    color: #c00;
    font-weight: bold;
}

.header-right h2 {
    font-size: 20px;
    color: #003366;
}

.header-right p {
    font-size: 13px;
    color: #666;
}

/* LAYOUT */
.container {
    display: flex;
    max-width: 1200px;
    margin: 30px auto;
    gap: 30px;
}

/* SIDEBAR */
.sidebar {
    width: 260px;
}

.sidebar img {
    width: 100%;
    border: 1px solid #ddd;
}

.sidebar-block {
    margin-top: 15px;
    padding: 10px;
    background: #f5f7fa;
    border-left: 5px solid #f7941d;
}

.sidebar-block h3 {
    font-size: 14px;
    color: #003366;
}

/* CONTENT */
.content {
    flex: 1;
}

/* BANNER */
.banner {
    background: linear-gradient(135deg, #1e2b6c, #2f4fa3);
    color: #fff;
    padding: 30px;
    margin-bottom: 25px;
    text-align: center;
}

.banner h2 {
    font-size: 32px;
    margin-bottom: 10px;
    color: #ffcc00;
}

.banner span {
    font-size: 14px;
    display: block;
    margin-top: 10px;
}

/* ARTICLE */
.article p {
    margin-bottom: 15px;
    font-size: 14px;
}

.article h3 {
    margin: 20px 0 10px;
    color: #003366;
}

.article ul {
    margin-left: 20px;
    margin-bottom: 15px;
}

.article ul li {
    font-size: 14px;
    margin-bottom: 6px;
}

.link {
    color: #0066cc;
    text-decoration: none;
    font-size: 14px;
}

.link:hover {
    text-decoration: underline;
}

/* FOOTER */
.site-footer {
    background: #f2f2f2;
    padding: 20px;
    text-align: left;
    font-size: 13px;
    margin-top: 40px;
}

.site-footer p {
    margin-bottom: 5px;
}

.site-footer .copyright {
    color: #666;
}