.blue-card {
    width: 100%;
    padding: 18px 24px;
    text-align: center;
    color: #ffffff;
    font-size: 1.1rem;
    line-height: 1.5;
    background: linear-gradient(180deg, #6faee3, #3f87c5);
    border-radius: 18px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

    .blue-card.small {
        min-height: 90px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .blue-card.large {
        min-height: 80px;
        font-size: 1.15rem;
        font-weight: 500;
    }

/* CSS riêng cho trang Kỹ thuật Xây dựng */
.construction-page {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    min-height: 100vh;
}

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

/* Header riêng cho trang */
.construction-header {
    text-align: center;
    padding: 40px 0 30px;
    background: #FF9999;
    color: white;
    margin-bottom: 30px;
    border-radius: 0 0 20px 20px;
    position: relative;
    overflow: hidden;
}

    .construction-header::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 5px;
        background: linear-gradient(90deg, #ffd700, #ff9800);
    }

    .construction-header h1 {
        font-size: 2.5rem;
        margin-bottom: 10px;
        text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
    }

    .construction-header .tagline {
        font-size: 1.2rem;
        opacity: 0.9;
        max-width: 800px;
        margin: 0 auto;
        line-height: 1.6;
    }

.highlight {
    color: #ffd700;
    font-weight: bold;
}

/* Thanh trượt điều hướng mới */
.modern-scroll-nav {
    /*position: sticky;*/
    top: 0;
    z-index: 1000;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    margin-bottom: 30px;
    border-radius: 12px;
    overflow: hidden;
    border: 2px solid #e0e0e0;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.nav-scroll-track {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, #3498db, #2ecc71);
    width: 100px;
    transition: all 0.4s ease;
    z-index: 1;
    border-radius: 3px;
}

.modern-nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 2;
}

    .modern-nav-container a {
        flex: 1;
        text-decoration: none;
        color: #555;
        font-weight: 600;
        padding: 18px 10px;
        text-align: center;
        transition: all 0.3s ease;
        position: relative;
        background: transparent;
        border: none;
        font-size: 0.95rem;
        white-space: nowrap;
        overflow: hidden;
    }

        .modern-nav-container a::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, #3498db, #2980b9);
            opacity: 0;
            transition: opacity 0.3s ease;
            z-index: -1;
        }

        .modern-nav-container a:hover {
            color: white;
        }

            .modern-nav-container a:hover::before {
                opacity: 1;
            }

        .modern-nav-container a.active {
            color: white;
        }

            .modern-nav-container a.active::before {
                opacity: 1;
            }

.nav-icon {
    display: block;
    font-size: 1.5rem;
    margin-bottom: 5px;
    transition: all 0.3s ease;
}

.modern-nav-container a:hover .nav-icon,
.modern-nav-container a.active .nav-icon {
    transform: translateY(-3px);
}

.nav-text {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* Info cards */
.info-cards {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 30px 0 40px;
    flex-wrap: wrap;
}

.info-card {
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    text-align: center;
    flex: 1;
    min-width: 200px;
    max-width: 300px;
    transition: transform 0.3s ease;
    border-top: 4px solid #2980b9;
}

    .info-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 20px rgba(0,0,0,0.12);
    }

    .info-card i {
        font-size: 2.5rem;
        color: #2980b9;
        margin-bottom: 15px;
    }

    .info-card h3 {
        margin-bottom: 10px;
        color: #1a5276;
        font-size: 1.3rem;
    }

    .info-card p {
        color: #555;
        line-height: 1.5;
    }

/* Section styling */
.construction-section {
    margin-bottom: 50px;
    padding: 30px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    scroll-margin-top: 100px;
}

    .construction-section h2 {
        color: blue;
        border-left: 4px solid #2980b9;
        padding-left: 15px;
        margin-bottom: 25px;
        font-size: 1.8rem;
        position: relative;
    }

        .construction-section h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 15px;
            width: 80px;
            height: 3px;
            background: #3498db;
        }

/* Specialties grid */
.specialties-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 25px;
}

.specialty-card {
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    padding: 20px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

    .specialty-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 4px;
        background: #2980b9;
    }

    .specialty-card:hover {
        border-color: #2980b9;
        box-shadow: 0 8px 20px rgba(41, 128, 185, 0.1);
        transform: translateY(-3px);
    }

    .specialty-card h4 {
        color: #2980b9;
        margin-bottom: 10px;
        font-size: 1.2rem;
        min-height: 50px;
    }

    .specialty-card p {
        color: #555;
        margin-bottom: 15px;
        font-size: 0.95rem;
        line-height: 1.5;
    }

.badge {
    display: inline-block;
    background: #e8f4fc;
    color: #2980b9;
    padding: 4px 10px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-right: 5px;
    margin-bottom: 5px;
}

    .badge.new {
        background: #ffebee;
        color: #e74c3c;
    }

/* Kiến thức và kỹ năng */
.knowledge-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 25px;
}

.knowledge-card {
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    padding: 25px;
    text-align: center;
}

    .knowledge-card .icon {
        font-size: 2.5rem;
        color: #2980b9;
        margin-bottom: 15px;
    }

    .knowledge-card h3 {
        color: #2c3e50;
        margin-bottom: 15px;
        font-size: 1.3rem;
    }

    .knowledge-card ul {
        list-style: none;
        text-align: left;
        padding: 0;
        margin: 0;
    }

    .knowledge-card li {
        padding: 8px 0;
        border-bottom: 1px dashed #ddd;
        position: relative;
        padding-left: 25px;
        line-height: 1.4;
    }

        .knowledge-card li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: #27ae60;
            font-weight: bold;
        }

/* ===== Hiệu ứng hover toàn khối ===== */
.knowledge-card {
    transition: transform 0.35s ease, box-shadow 0.35s ease;
}

    .knowledge-card:hover {
        transform: translateY(-6px);
        box-shadow: 0 16px 36px rgba(0, 0, 0, 0.12);
    }

    /* ===== Hiệu ứng hover từng dòng – trượt ngang ===== */
    .knowledge-card li {
        transition: all 0.3s ease;
        border-radius: 4px;
    }

        /* Hover: trượt ngang + nền sáng */
        .knowledge-card li:hover {
            /*background: slategray;*/
            padding-left: 35px; /* di chuyển ngang */
            color: blue;
        }

            /* Dấu ✓ đổi màu khi hover */
            .knowledge-card li:hover::before {
                color: #1f6fb2;
            }

    /* Làm mờ các dòng khác để tập trung */
    .knowledge-card ul:hover li {
        opacity: 0.55;
    }

    .knowledge-card ul li:hover {
        opacity: 1;
    }

    /* Icon nổi nhẹ khi hover card */
    .knowledge-card:hover .icon {
        transform: scale(1.1);
        color: #1f6fb2;
        transition: all 0.35s ease;
    }

/*hết kiến thức và kỹ năng*/


/* Career opportunities */
.career-opportunities {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 25px;
}

.career-sector {
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    padding: 20px;
    transition: transform 0.3s ease;
}

    .career-sector:hover {
        transform: translateY(-3px);
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    }

.sector-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
    padding-bottom: 12px;
    border-bottom: 2px solid #f0f0f0;
}

    .sector-header .icon {
        font-size: 1.8rem;
        color: #2980b9;
    }

    .sector-header h4 {
        margin: 0;
        color: #2980b9;
        font-size: 1.2rem;
    }

.career-sector ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.career-sector li {
    padding: 8px 0;
    border-bottom: 1px solid #f5f5f5;
    position: relative;
    padding-left: 20px;
}

    .career-sector li::before {
        content: '→';
        position: absolute;
        left: 0;
        color: #3498db;
        font-weight: bold;
    }

/* Gallery */
.gallery-container {
    margin-top: 25px;
}

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 15px;
}

.gallery-item {
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    height: 180px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

    .gallery-item img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }

    .gallery-item:hover img {
        transform: scale(1.05);
    }

.gallery-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(26, 82, 118, 0.85);
    color: white;
    padding: 12px;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.gallery-item:hover .gallery-caption {
    transform: translateY(0);
}

.gallery-caption h5 {
    color: white;
    margin: 0 0 5px 0;
    font-size: 0.95rem;
}

.gallery-caption p {
    font-size: 0.8rem;
    opacity: 0.9;
    margin: 0;
}

/* Success story */
.success-story {
    background: linear-gradient(135deg, #1a5276, #2980b9);
    color: white;
    padding: 35px;
    border-radius: 15px;
    margin: 40px 0;
    position: relative;
    overflow: hidden;
}

    .success-story::before {
        content: '';
        position: absolute;
        top: -50%;
        right: -50%;
        width: 100%;
        height: 200%;
        background: rgba(255,255,255,0.05);
        transform: rotate(45deg);
    }

.story-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    position: relative;
}

.company-logo {
    font-size: 2rem;
    font-weight: bold;
    color: rgba(255,255,255,0.9);
    letter-spacing: 2px;
    font-family: 'Arial Black', sans-serif;
}

.story-body {
    position: relative;
}

.achievements {
    display: flex;
    gap: 30px;
    margin-top: 25px;
    justify-content: center;
    flex-wrap: wrap;
}

.achievement {
    text-align: center;
    min-width: 100px;
}

    .achievement .number {
        display: block;
        font-size: 2rem;
        font-weight: bold;
        margin-bottom: 5px;
    }

    .achievement .label {
        font-size: 0.85rem;
        opacity: 0.9;
    }

/* Timeline */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 40px auto;
    padding: 20px;
}

    .timeline::before {
        content: '';
        position: absolute;
        left: 50%;
        top: 0;
        bottom: 0;
        width: 3px;
        background: #3498db;
        transform: translateX(-50%);
    }

.timeline-item {
    margin: 30px 0;
    position: relative;
    width: 50%;
    padding: 0 30px;
}

    .timeline-item:nth-child(odd) {
        left: 0;
    }

    .timeline-item:nth-child(even) {
        left: 50%;
    }

.timeline-year {
    background: #3498db;
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: bold;
    display: inline-block;
    margin-bottom: 10px;
}

.timeline-content {
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

    .timeline-content h5 {
        color: #2980b9;
        margin-bottom: 8px;
        font-size: 1.1rem;
    }

/* Contact section */
.contact-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin: 40px 0;
    padding: 30px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
}

.contact-info h3, .registration-form h3 {
    color: #1a5276;
    margin-bottom: 20px;
    font-size: 1.4rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.contact-icon {
    font-size: 1.3rem;
    color: #3498db;
    min-width: 25px;
}

.registration-form {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 12px;
}

.form-group {
    margin-bottom: 15px;
}

    .form-group input, .form-group select {
        width: 100%;
        padding: 12px;
        border: 2px solid #e0e0e0;
        border-radius: 8px;
        font-size: 1rem;
        transition: border-color 0.3s ease;
        background: white;
        box-sizing: border-box;
    }

        .form-group input:focus, .form-group select:focus {
            outline: none;
            border-color: #3498db;
            box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
        }

.submit-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #2980b9, #1a5276);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 10px;
}

    .submit-btn:hover {
        background: linear-gradient(135deg, #1a5276, #154360);
        transform: translateY(-2px);
        box-shadow: 0 6px 15px rgba(26, 82, 118, 0.3);
    }

/* Back to Top Button */
.back-to-top {
    position: fixed;
    right: 30px;
    bottom: 30px;
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.4);
    transition: all 0.3s ease;
    z-index: 999;
}

    .back-to-top:hover {
        background: linear-gradient(135deg, #2980b9, #1a5276);
        transform: translateY(-5px);
        box-shadow: 0 6px 20px rgba(41, 128, 185, 0.6);
    }

    .back-to-top.show {
        display: flex;
        animation: fadeInUp 0.3s ease;
    }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Section active highlight */
.construction-section.active {
    animation: highlightSection 1s ease;
}

@keyframes highlightSection {
    0% {
        background-color: white;
    }

    50% {
        background-color: rgba(52, 152, 219, 0.1);
    }

    100% {
        background-color: white;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .construction-container {
        padding: 15px;
    }

    .construction-header h1 {
        font-size: 1.8rem;
    }

    .construction-header .tagline {
        font-size: 1rem;
    }

    .modern-nav-container {
        flex-direction: column;
        padding: 0;
    }

        .modern-nav-container a {
            width: 100%;
            padding: 15px;
            border-bottom: 1px solid #eee;
        }

            .modern-nav-container a:last-child {
                border-bottom: none;
            }

    .nav-scroll-track {
        display: none;
    }

    .construction-section {
        padding: 20px;
        scroll-margin-top: 150px;
    }

        .construction-section h2 {
            font-size: 1.5rem;
        }

    .specialties-grid,
    .knowledge-section,
    .career-opportunities,
    .gallery {
        grid-template-columns: 1fr;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        width: 100%;
        left: 0 !important;
        padding-left: 50px;
        padding-right: 15px;
    }

    .achievements {
        flex-direction: column;
        gap: 15px;
    }

    .contact-section {
        padding: 20px;
    }

    .info-cards {
        flex-direction: column;
        align-items: center;
    }

    .back-to-top {
        right: 20px;
        bottom: 20px;
        width: 45px;
        height: 45px;
        font-size: 18px;
    }
}


/* Khối thông tin tuyển sinh nổi bật giữa trang */
.admission-highlight {
    background: linear-gradient(135deg, #1e88e5, #42a5f5);
    color: #ffffff;
    height: 150px;
    border-radius: 10px;
    font-size: 1.05rem;
    line-height: 1.6;
    box-shadow: 0 15px 35px rgba(30, 136, 229, 0.35);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    animation: softPulse 4s ease-in-out infinite;
}

    /* Hiệu ứng ánh sáng chớp nhẹ */
    .admission-highlight::before {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient( 120deg, transparent 30%, rgba(255, 255, 255, 0.25), transparent 70% );
        transform: translateX(-100%);
        animation: shineMove 6s ease-in-out infinite;
    }

    /* Hover đổi màu + nâng khối */
    .admission-highlight:hover {
        background: linear-gradient(135deg, #1565c0, #1e88e5);
        box-shadow: 0 22px 45px rgba(21, 101, 192, 0.45);
        transform: translateY(-4px);
    }

    /* Chữ đậm nổi bật */
    .admission-highlight strong {
        color: #fffde7;
        font-weight: 700;
    }

/* Pulse rất nhẹ – không gây khó chịu */
@keyframes softPulse {
    0%, 100% {
        box-shadow: 0 15px 35px rgba(30, 136, 229, 0.35);
    }

    50% {
        box-shadow: 0 20px 45px rgba(66, 165, 245, 0.55);
    }
}

/* Ánh sáng quét */
@keyframes shineMove {
    0% {
        transform: translateX(-100%);
    }

    50% {
        transform: translateX(100%);
    }

    100% {
        transform: translateX(100%);
    }
}

/* Mobile tối ưu */
@media (max-width: 768px) {
    .admission-highlight {
        font-size: 0.95rem;
        padding: 20px 18px;
    }
}
/*co giãn theo tỷ lệ màn hình cho toàn trang*/
/* =========================================================
   FLUID RESPONSIVE – SCALE THEO KÍCH THƯỚC MÀN HÌNH
   Áp dụng cho toàn trang – KHÔNG vỡ layout
========================================================= */

/* ===== 1. FONT GỐC SCALE THEO MÀN HÌNH ===== */
html {
    font-size: clamp(14px, 0.9vw, 18px);
}

/* ===== 2. BIẾN KHOẢNG CÁCH THEO TỶ LỆ ===== */
:root {
    --space-xs: clamp(6px, 0.6vw, 10px);
    --space-sm: clamp(10px, 1vw, 16px);
    --space-md: clamp(16px, 1.6vw, 26px);
    --space-lg: clamp(24px, 2.2vw, 36px);
    --space-xl: clamp(32px, 3vw, 52px);
}

/* ===== 3. HEADER SCALE CHUẨN ===== */
.construction-header {
    padding: var(--space-lg) var(--space-md);
}

    .construction-header h1 {
        font-size: clamp(1.6rem, 3vw, 2.8rem);
    }

    .construction-header h2 {
        font-size: clamp(1.3rem, 2.4vw, 2.1rem);
    }

    .construction-header h3 {
        font-size: clamp(1.1rem, 1.8vw, 1.6rem);
    }

/* ===== 4. NAVIGATION SCALE ===== */
.nav-icon {
    font-size: clamp(1.3rem, 2.2vw, 1.8rem);
}

.nav-text {
    font-size: clamp(0.85rem, 1.1vw, 1rem);
}

/* ===== 5. SECTION & KHOẢNG CÁCH ===== */
.construction-section {
    padding: var(--space-lg);
    margin-bottom: var(--space-xl);
}

    .construction-section h2 {
        font-size: clamp(1.4rem, 2.2vw, 2rem);
    }

    .construction-section p,
    .construction-section li {
        font-size: clamp(0.95rem, 1.2vw, 1.1rem);
        line-height: 1.6;
    }

/* ===== 6. CARD SCALE ===== */
.info-card,
.knowledge-card,
.career-sector {
    padding: clamp(16px, 2vw, 28px);
}

    .info-card h3,
    .knowledge-card h3,
    .sector-header h4 {
        font-size: clamp(1.05rem, 1.5vw, 1.3rem);
    }

    /* ===== 7. ICON SCALE ===== */
    .info-card i,
    .knowledge-card .icon i,
    .sector-header .icon i {
        font-size: clamp(2rem, 3vw, 2.8rem);
    }

/* ===== 8. GRID GAP SCALE ===== */
.info-cards {
    gap: var(--space-md);
}

.specialties-grid,
.knowledge-section,
.career-opportunities,
.gallery {
    gap: var(--space-md);
}

/* ===== 9. GALLERY SCALE ===== */
.gallery-item {
    height: clamp(160px, 20vw, 220px);
}

/* ===== 10. FORM & BUTTON ===== */
.form-group input,
.form-group select {
    font-size: clamp(0.95rem, 1.2vw, 1.05rem);
    padding: clamp(10px, 1.4vw, 14px);
}

.submit-btn {
    font-size: clamp(0.95rem, 1.2vw, 1.1rem);
    padding: clamp(12px, 1.5vw, 16px);
}

/* ===== 11. ADMISSION HIGHLIGHT ===== */
.admission-highlight {
    padding: var(--space-lg);
    font-size: clamp(0.95rem, 1.3vw, 1.1rem);
}

/* ===== 12. BACK TO TOP ===== */
.back-to-top {
    width: clamp(42px, 4vw, 50px);
    height: clamp(42px, 4vw, 50px);
    font-size: clamp(16px, 1.8vw, 20px);
}

/* ===== 13. MÀN HÌNH RẤT LỚN (DESKTOP / 4K) ===== */
@media (min-width: 1600px) {
    .construction-container {
        max-width: 1400px;
    }
}

/* ===== 14. MOBILE TINH GỌN ===== */
@media (max-width: 768px) {
    .construction-header {
        padding: var(--space-md);
    }

    .construction-section {
        padding: var(--space-md);
    }
}
/*hết nội dung co giãn theo tỷ lệ màn hình*/

/*Scale tiêu đề theo tỷ lệ màn hình */
.construction-header {
    background-color: antiquewhite;
    text-align: center;
    padding: clamp(16px, 3vw, 40px);
}
    /* Khoa */
    .construction-header h2 {
        color: blue;
        font-size: clamp(1.1rem, 2.2vw, 1.6rem);
        margin-bottom: 0.3em;
        font-weight: 600;
        font-family: "Times New Roman", Times, serif;
    }
    /* Ngành */
    .construction-header h1 {
        color: blue;
        font-size: clamp(1.4rem, 3vw, 2.2rem);
        line-height: 1.3;
        margin-bottom: 0.4em;
        font-weight: 700;
        font-family: "Times New Roman", Times, serif;
    }
    /* Khẩu hiệu */
    .construction-header h3 {
        color: #dc2626;
        font-size: clamp(1rem, 2vw, 1.4rem);
        font-weight: 600;
    }
    /*hết Scale*/