/* --- 联系我们页面升级 --- */
.contact-hero {
    height: 40vh;
    background: linear-gradient(rgba(0, 51, 102, 0.8), rgba(0, 51, 102, 0.8)), 
                url('https://news.sicau.edu.cn/__local/A/24/DB/5661CE097CDAA8C27E16CF807A8_6B1B8C1B_1880C.jpg') center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
}

.contact-hero h1 { font-size: 3.5rem; letter-spacing: 2px; }

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.8fr;
    gap: 4rem;
    margin-top: 4rem;
}

.contact-info-card {
    background: var(--primary-color);
    color: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

.contact-info-card h2 {
    color: white;
}

.contact-info-card p {
    color: rgba(255, 255, 255, 0.9);
}

.info-item {
    margin-bottom: 2.5rem;
}

.info-item h3 {
    color: var(--accent-color) !important;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.75rem;
}

.info-item p {
    font-size: 1.2rem;
    font-weight: 500;
    color: white;
}

.contact-form-container {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.form-group label {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 600;
}

.form-control {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    padding: 1rem;
    border-radius: 12px;
}

.form-control:focus {
    background: white;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(0, 51, 102, 0.05);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-icon-btn {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: var(--transition-base);
    text-decoration: none;
}

.social-icon-btn:hover {
    background: var(--accent-color);
    color: var(--primary-color);
    transform: translateY(-3px);
}

@media (max-width: 992px) {
    .contact-wrapper { grid-template-columns: 1fr; }
}

/* Online Service */
.online-service {
    text-align: center;
    margin-top: var(--space-4xl);
    padding: var(--space-3xl);
    background: var(--bg-soft);
    border-radius: var(--radius-md);
}

@media (max-width: 992px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
}