:root {
    --primary-color: #1a6dff;
    --secondary-color: #ff6b35;
    --dark-color: #1a1a2e;
    --light-color: #f8f9fa;
}

body {
    font-family: 'Microsoft YaHei', 'Segoe UI', sans-serif;
    color: #333;
    line-height: 1.6;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.8rem;
    color: var(--primary-color);
}

.navbar-brand span {
    color: var(--secondary-color);
}

.hero-section {
    background: linear-gradient(rgba(26, 26, 46, 0.85), rgba(26, 26, 46, 0.9)),
    url('../image/tde57113f_aeq123d.webp');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 100px 0;
    margin-bottom: 40px;
}

.hero-section h1 {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.hero-section p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 12px 30px;
    font-weight: 600;
}

.btn-primary:hover {
    background-color: #0d5ce0;
    border-color: #0d5ce0;
}

.btn-secondary {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    padding: 12px 30px;
    font-weight: 600;
}

.btn-secondary:hover {
    background-color: #e05a2b;
    border-color: #e05a2b;
}

.section-title {
    position: relative;
    margin-bottom: 40px;
    padding-bottom: 15px;
    font-weight: 700;
    color: var(--dark-color);
}

.section-title:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 60px;
    height: 4px;
    background-color: var(--primary-color);
}

.center-title:after {
    left: 50%;
    transform: translateX(-50%);
}

.feature-card {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
    height: 100%;
    border: none;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-card img {
    height: 200px;
    object-fit: cover;
}

.feature-card .card-body {
    padding: 25px;
}

.feature-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background-color: rgba(26, 109, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--primary-color);
    font-size: 30px;
}

.download-section {
    background-color: #f8f9fa;
    padding: 80px 0;
    margin: 60px 0;
}

.download-option {
    text-align: center;
    padding: 30px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    height: 100%;
}

.download-icon {
    font-size: 50px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.faq-item {
    margin-bottom: 20px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
}

.faq-question {
    padding: 20px;
    background-color: #f8f9fa;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-answer {
    padding: 20px;
    background-color: white;
    display: none;
}

.faq-question.active {
    background-color: var(--primary-color);
    color: white;
}

.faq-question.active .bi-chevron-down {
    transform: rotate(180deg);
}

.footer {
    background-color: var(--dark-color);
    color: white;
    padding: 60px 0 30px;
}

.footer h5 {
    color: white;
    margin-bottom: 25px;
    font-weight: 600;
}

.footer-links {
    list-style: none;
    padding-left: 0;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #aaa;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: white;
}

.copyright {
    text-align: center;
    padding-top: 30px;
    margin-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #aaa;
    font-size: 0.9rem;
}

.seo-content {
    background-color: #f8f9fa;
    padding: 60px 0;
    margin-top: 60px;
}

.seo-content h3 {
    margin-bottom: 25px;
    color: var(--dark-color);
}

.seo-content p {
    margin-bottom: 20px;
    text-align: justify;
}

.news-card {
    display: block;
    height: 100%;
    background-color: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
    color: inherit;
}

.news-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
}

.news-card-img {
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background-color: #f1f3f5;
}

.news-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.news-card:hover .news-card-img img {
    transform: scale(1.05);
}

.news-card-body {
    padding: 20px;
}

.news-card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card-desc {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card-meta {
    margin-top: 12px;
    font-size: 0.85rem;
    color: #999;
}

.news-card-meta i {
    color: var(--primary-color);
}

@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2.2rem;
    }

    .hero-section {
        padding: 70px 0;
    }

    .section-title {
        font-size: 1.8rem;
    }
}

/* e42f46 */
html {
    -webkit-tap-highlight-color: transparent;
}
::selection {
    scroll-behavior: auto;
}
::selection {
    tab-size: 4;
}