/* style/download-center-security-antivirus.css */
.page-download-center-security-antivirus {
    font-family: 'Arial', sans-serif;
    color: #333;
    line-height: 1.6;
}

.page-download-center-security-antivirus .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.page-download-center-security-antivirus .hero-section {
    background: linear-gradient(135deg, #FFD700, #1A237E);
    color: #FFFFFF;
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-download-center-security-antivirus .hero-title {
    font-size: 3.5em;
    margin-bottom: 20px;
    color: #FFFFFF; /* Ensure high contrast */
    font-weight: bold;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-download-center-security-antivirus .hero-subtitle {
    font-size: 1.5em;
    margin-bottom: 40px;
    color: #e0e0e0; /* Slightly lighter for contrast */
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.4);
}

.page-download-center-security-antivirus .hero-image {
    max-width: 60%;
    height: auto;
    margin-top: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.page-download-center-security-antivirus .btn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    cursor: pointer;
    font-size: 1.1em;
}

.page-download-center-security-antivirus .btn-primary {
    background-color: #FF4500; /* Accent red for CTA */
    color: #FFFFFF;
    border: 2px solid #FF4500;
}

.page-download-center-security-antivirus .btn-primary:hover {
    background-color: #e03c00;
    border-color: #e03c00;
    transform: translateY(-3px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
}

.page-download-center-security-antivirus .btn-secondary {
    background-color: #1A237E;
    color: #FFD700;
    border: 2px solid #FFD700;
    margin-left: 20px;
}

.page-download-center-security-antivirus .btn-secondary:hover {
    background-color: #2c3a99;
    border-color: #FFD700;
    transform: translateY(-3px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
}

.page-download-center-security-antivirus .section-title {
    font-size: 2.5em;
    color: #1A237E;
    text-align: center;
    margin-bottom: 30px;
    padding-top: 60px;
    position: relative;
}

.page-download-center-security-antivirus .section-title::after {
    content: '';
    width: 80px;
    height: 4px;
    background-color: #FFD700;
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

.page-download-center-security-antivirus .section-description {
    font-size: 1.1em;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px auto;
    color: #555;
}

.page-download-center-security-antivirus .security-overview-section, 
.page-download-center-security-antivirus .threats-protection-section, 
.page-download-center-security-antivirus .user-security-tips-section, 
.page-download-center-security-antivirus .official-download-section, 
.page-download-center-security-antivirus .faq-section, 
.page-download-center-security-antivirus .conclusion-section {
    padding: 80px 0;
    background-color: #f9f9f9;
    border-bottom: 1px solid #eee;
}

.page-download-center-security-antivirus .security-overview-section {
    background-color: #ffffff;
}

.page-download-center-security-antivirus .threats-protection-section {
    background-color: #f0f4f7;
}

.page-download-center-security-antivirus .feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-download-center-security-antivirus .feature-item {
    background-color: #FFFFFF;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-download-center-security-antivirus .feature-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.page-download-center-security-antivirus .feature-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

.page-download-center-security-antivirus .feature-title {
    font-size: 1.6em;
    color: #1A237E;
    margin-bottom: 15px;
}

.page-download-center-security-antivirus .feature-item p {
    color: #666;
}

.page-download-center-security-antivirus .threat-protection-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.page-download-center-security-antivirus .threat-item {
    background-color: #FFFFFF;
    padding: 35px;
    border-radius: 12px;
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.1);
    border-left: 5px solid #FFD700;
}

.page-download-center-security-antivirus .threat-title {
    font-size: 1.8em;
    color: #1A237E;
    margin-bottom: 15px;
}

.page-download-center-security-antivirus .threat-item p {
    color: #555;
    margin-bottom: 10px;
}

.page-download-center-security-antivirus .threat-item strong {
    color: #FFD700;
}

.page-download-center-security-antivirus .tips-list {
    list-style: none;
    padding: 0;
    margin-top: 40px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 25px;
}

.page-download-center-security-antivirus .tips-list li {
    background-color: #FFFFFF;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.07);
    display: flex;
    align-items: flex-start;
    color: #444;
    font-size: 1.05em;
    border-left: 4px solid #1A237E;
}

.page-download-center-security-antivirus .tips-list li strong {
    color: #1A237E;
}

.page-download-center-security-antivirus .tip-icon {
    width: 40px;
    height: 40px;
    margin-right: 15px;
    flex-shrink: 0;
}

.page-download-center-security-antivirus .download-steps {
    list-style: decimal;
    padding-left: 25px;
    margin-top: 40px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.page-download-center-security-antivirus .download-steps li {
    margin-bottom: 15px;
    font-size: 1.1em;
    color: #444;
}

.page-download-center-security-antivirus .download-steps li strong {
    color: #1A237E;
}

.page-download-center-security-antivirus .download-steps li a {
    color: #FF4500;
    text-decoration: none;
    font-weight: bold;
}

.page-download-center-security-antivirus .download-steps li a:hover {
    text-decoration: underline;
}

.page-download-center-security-antivirus .cta-buttons {
    text-align: center;
    margin-top: 50px;
}

.page-download-center-security-antivirus .btn-lg {
    padding: 18px 40px;
    font-size: 1.2em;
}

.page-download-center-security-antivirus .download-process-image {
    max-width: 80%;
    display: block;
    margin: 60px auto 0 auto;
    border-radius: 10px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.page-download-center-security-antivirus .faq-section {
    background-color: #ffffff;
}

.page-download-center-security-antivirus .faq-item {
    background-color: #fdfdfd;
    border: 1px solid #eee;
    border-radius: 8px;
    margin-bottom: 20px;
    padding: 25px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: box-shadow 0.3s ease;
}

.page-download-center-security-antivirus .faq-item:hover {
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.page-download-center-security-antivirus .faq-question {
    font-size: 1.4em;
    color: #1A237E;
    margin-bottom: 10px;
    cursor: pointer;
}

.page-download-center-security-antivirus .faq-answer {
    font-size: 1.05em;
    color: #555;
    display: none; /* Hidden by default, toggled by JS */
    padding-top: 10px;
    border-top: 1px solid #eee;
    margin-top: 15px;
}

.page-download-center-security-antivirus .faq-answer.active {
    display: block;
}

.page-download-center-security-antivirus .faq-answer a {
    color: #FF4500;
    text-decoration: none;
    font-weight: bold;
}

.page-download-center-security-antivirus .faq-answer a:hover {
    text-decoration: underline;
}

.page-download-center-security-antivirus .conclusion-section {
    background-color: #1A237E;
    color: #FFFFFF;
    text-align: center;
    padding: 100px 0;
}

.page-download-center-security-antivirus .conclusion-section .section-title {
    color: #FFD700;
}

.page-download-center-security-antivirus .conclusion-section .section-title::after {
    background-color: #FFD700;
}

.page-download-center-security-antivirus .conclusion-section .section-description {
    color: #e0e0e0;
    margin-bottom: 50px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .page-download-center-security-antivirus .hero-title {
        font-size: 2.5em;
    }

    .page-download-center-security-antivirus .hero-subtitle {
        font-size: 1.2em;
    }

    .page-download-center-security-antivirus .section-title {
        font-size: 2em;
    }

    .page-download-center-security-antivirus .feature-grid, 
    .page-download-center-security-antivirus .threat-protection-grid, 
    .page-download-center-security-antivirus .tips-list {
        grid-template-columns: 1fr;
    }

    .page-download-center-security-antivirus .tips-list li {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .page-download-center-security-antivirus .tip-icon {
        margin-right: 0;
        margin-bottom: 15px;
    }

    .page-download-center-security-antivirus .btn-secondary {
        margin-left: 0;
        margin-top: 15px;
    }

    .page-download-center-security-antivirus .cta-buttons .btn {
        display: block;
        margin-bottom: 15px;
    }
}

@media (max-width: 480px) {
    .page-download-center-security-antivirus .hero-section {
        padding: 80px 0 50px 0;
    }

    .page-download-center-security-antivirus .hero-title {
        font-size: 2em;
    }

    .page-download-center-security-antivirus .hero-subtitle {
        font-size: 1em;
    }

    .page-download-center-security-antivirus .btn {
        padding: 12px 25px;
        font-size: 1em;
    }

    .page-download-center-security-antivirus .section-title {
        font-size: 1.8em;
    }

    .page-download-center-security-antivirus .section-description {
        font-size: 0.95em;
    }

    .page-download-center-security-antivirus .feature-item, 
    .page-download-center-security-antivirus .threat-item, 
    .page-download-center-security-antivirus .faq-item {
        padding: 20px;
    }

    .page-download-center-security-antivirus .feature-title {
        font-size: 1.4em;
    }

    .page-download-center-security-antivirus .threat-title {
        font-size: 1.5em;
    }

    .page-download-center-security-antivirus .download-steps li {
        font-size: 1em;
    }
}