1. Mã HTML (Cấu trúc trang web)
Bạn hãy copy đoạn mã này vào một file đặt tên là index.html.





<footer style="background: #1a1a1a; color: #ffffff; padding: 50px 0 20px; font-family: Arial, sans-serif;">
    <div class="container" style="max-width: 1200px; margin: 0 auto; padding: 0 20px; display: flex; flex-wrap: wrap; justify-content: space-between;">
        
        <div style="flex: 1; min-width: 300px; margin-bottom: 30px;">
            <h3 style="color: #d32f2f; border-left: 4px solid #d32f2f; padding-left: 15px; text-transform: uppercase; margin-bottom: 20px;">
                CÔNG TY TNHH TV TK XD TM TRƯỜNG PHÁT
            </h3>
            <p style="line-height: 1.8; color: #ccc; margin-bottom: 10px;">
                <i class="fas fa-map-marker-alt" style="color: #d32f2f; width: 20px;"></i> 
                <strong>Trụ sở:</strong> 138/35/14/11/4 Đường số 20, Phường 5, Q. Gò Vấp, TP.HCM
            </p>
            <p style="line-height: 1.8; color: #ccc; margin-bottom: 10px;">
                <i class="fas fa-file-contract" style="color: #d32f2f; width: 20px;"></i> 
                <strong>MST:</strong> 0314077927 (Cấp ngày 21/10/2016)
            </p>
            <p style="line-height: 1.8; color: #ccc; margin-bottom: 10px;">
                <i class="fas fa-user-tie" style="color: #d32f2f; width: 20px;"></i> 
                <strong>Đại diện PL:</strong> Ông PHẠM THANH TRƯỜNG
            </p>
            <p style="line-height: 1.8; color: #ccc; margin-bottom: 10px;">
                <i class="fas fa-phone-square-alt" style="color: #d32f2f; width: 20px;"></i> 
                <strong>Hotline:</strong> 09xx.xxx.xxx
            </p>
        </div>

        <div style="flex: 1; min-width: 200px; margin-bottom: 30px; padding-left: 20px;">
            <h4 style="color: #fff; margin-bottom: 20px; text-transform: uppercase;">Dịch vụ chính</h4>
            <ul style="list-style: none; padding: 0;">
                <li style="margin-bottom: 10px;"><a href="#" style="color: #ccc; text-decoration: none;">Thiết kế kiến trúc</a></li>
                <li style="margin-bottom: 10px;"><a href="#" style="color: #ccc; text-decoration: none;">Xây dựng nhà phố trọn gói</a></li>
                <li style="margin-bottom: 10px;"><a href="#" style="color: #ccc; text-decoration: none;">Thi công biệt thự</a></li>
                <li style="margin-bottom: 10px;"><a href="#" style="color: #ccc; text-decoration: none;">Sửa chữa & Cải tạo nhà</a></li>
            </ul>
        </div>

    </div>
    
    <div style="text-align: center; border-top: 1px solid #333; margin-top: 20px; padding-top: 20px; font-size: 13px; color: #777;">
        &copy; 2024 TRUONG PHAT CONSTRUCTION. Thiết kế bởi AI Assistant.
    </div>
</footer>





2. File CSS (style.css)




:root {
    --primary-color: #d32f2f; /* Màu đỏ chủ đạo giống Việt Quang */
    --secondary-color: #0d47a1; /* Màu xanh đậm */
    --text-dark: #333;
    --light-bg: #f4f4f4;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Nav */
.top-bar {
    background: #222;
    color: #fff;
    padding: 8px 0;
    font-size: 13px;
}
.top-bar .container {
    display: flex;
    justify-content: space-between;
}
.top-bar a { color: white; margin-left: 10px; }

.navbar {
    background: #fff;
    padding: 15px 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}
.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo .brand-name {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
    display: block;
}
.logo .sub-name {
    font-size: 12px;
    letter-spacing: 2px;
    color: var(--secondary-color);
}
.nav-links { display: flex; list-style: none; }
.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: bold;
    margin-left: 20px;
    text-transform: uppercase;
}
.nav-links a:hover { color: var(--primary-color); }

/* Hero */
.hero {
    background: url('https://images.unsplash.com/photo-1541913055-111c4e97df05?q=80&w=2070&auto=format&fit=crop') center/cover;
    height: 500px;
    position: relative;
    color: #fff;
}
.overlay {
    background: rgba(0,0,0,0.5);
    height: 100%;
    display: flex;
    align-items: center;
    text-align: center;
}
.hero h1 { font-size: 45px; margin-bottom: 10px; }
.hero p { font-size: 20px; margin-bottom: 30px; }

.btn {
    padding: 12px 25px;
    text-decoration: none;
    font-weight: bold;
    border-radius: 3px;
    display: inline-block;
}
.btn-red { background: var(--primary-color); color: #fff; margin-right: 10px; }
.btn-outline { border: 2px solid #fff; color: #fff; }

/* Info Section */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: -50px;
    position: relative;
    z-index: 10;
}
.info-card {
    background: #fff;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}
.info-card i { font-size: 40px; color: var(--primary-color); margin-bottom: 15px; }

/* Footer */
footer {
    background: #111;
    color: #fff;
    padding: 60px 0 0;
    margin-top: 50px;
}
.footer-grid { margin-bottom: 40px; }
.footer-col h4 {
    border-left: 4px solid var(--primary-color);
    padding-left: 10px;
    margin-bottom: 20px;
}
.footer-col p { line-height: 1.8; color: #bbb; margin-bottom: 10px; }
.footer-bottom {
    background: #000;
    text-align: center;
    padding: 20px 0;
    font-size: 14px;
}