* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #333333;
    --secondary-color: #666666;
    --text-color: #333;
    --light-text: #666;
    --bg-light: #f8f8f8;
    --white: #fff;
    --dark: #333333;
    --shadow: 0 4px 12px rgba(0,0,0,0.1);
}

body {
    font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", sans-serif;
    color: var(--text-color);
    line-height: 1.6;
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.section {
    padding: 60px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-header h2 {
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 10px;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--secondary-color);
}

.section-header p {
    color: var(--light-text);
    font-size: 14px;
    letter-spacing: 2px;
    margin-top: 15px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 4px;
    font-size: 14px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background: #555555;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--white);
}

.btn-link {
    color: var(--primary-color);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin-top: 10px;
}

.btn-link:hover {
    color: var(--secondary-color);
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(139, 0, 0, 0.98);
}

.header-top {
    background: #f8f8f8;
    color: var(--text-color);
    font-size: 13px;
    padding: 8px 0;
    border-bottom: 1px solid #e0e0e0;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.contact-info span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.contact-info i {
    color: var(--secondary-color);
}

.navbar {
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.9));
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    height: 50px;
}

.logo-text {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
}

.nav-menu {
    display: flex;
    gap: 30px;
}

.nav-menu a {
    color: var(--text-color);
    font-size: 15px;
    padding: 8px 0;
    position: relative;
    transition: color 0.3s;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.hamburger {
    display: none;
    cursor: pointer;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 5px 0;
    transition: all 0.3s;
}

.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
    margin-top: 100px;
}

.hero-slider {
    height: 100%;
    position: relative;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-color: #333;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.8s ease;
}

.slide.active {
    opacity: 1;
}

.slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.4);
}

.slide-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--white);
}

.slide-content h1 {
    font-size: 56px;
    margin-bottom: 20px;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.5);
    animation: fadeInUp 0.8s ease;
}

.slide-content p {
    font-size: 24px;
    letter-spacing: 4px;
    animation: fadeInUp 0.8s ease 0.2s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 10;
}

.slider-nav button {
    width: 50px;
    height: 50px;
    background: rgba(0,0,0,0.5);
    border: none;
    color: var(--white);
    font-size: 20px;
    cursor: pointer;
    border-radius: 50%;
    transition: all 0.3s;
}

.slider-nav button:hover {
    background: var(--primary-color);
}

.about-section {
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text h3 {
    font-size: 36px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.about-text p {
    color: var(--light-text);
    margin-bottom: 20px;
    text-align: justify;
}

.about-image {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    display: block;
    background: #f0f0f0;
}

.news-section {
    background: var(--bg-light);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.news-card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
    cursor: pointer;
}

.news-card:hover {
    transform: translateY(-5px);
}

.news-date {
    background: var(--primary-color);
    color: var(--white);
    padding: 8px 15px;
    font-size: 12px;
}

.news-content {
    padding: 20px;
}

.news-content h3 {
    font-size: 16px;
    color: var(--text-color);
    margin-bottom: 10px;
    line-height: 1.4;
}

.news-content p {
    font-size: 13px;
    color: var(--light-text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-more {
    text-align: center;
    margin-top: 40px;
}

.halls-section {
    background: var(--white);
}

.halls-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.hall-card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s;
    cursor: pointer;
}

.hall-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.hall-image {
    height: 200px;
    overflow: hidden;
}

.hall-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
    background: #f0f0f0;
}

.hall-card:hover .hall-image img {
    transform: scale(1.1);
}

.hall-info {
    padding: 20px;
    text-align: center;
}

.hall-info h3 {
    font-size: 18px;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.hall-info p {
    font-size: 13px;
    color: var(--light-text);
}

.video-section {
    background: var(--bg-light);
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.video-card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: transform 0.3s;
}

.video-card:hover {
    transform: translateY(-5px);
}

.video-thumbnail {
    position: relative;
    height: 170px;
    overflow: hidden;
    background: #333;
}

.video-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.3s;
}

.play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(139, 0, 0, 0.8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 24px;
    transition: all 0.3s;
}

.video-card:hover .play-icon {
    background: var(--primary-color);
    transform: translate(-50%, -50%) scale(1.1);
}

.video-info {
    padding: 15px;
}

.video-info h3 {
    font-size: 14px;
    color: var(--text-color);
    line-height: 1.5;
}

.culture-section {
    background: var(--white);
    padding: 40px 0;
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    max-width: 800px;
    margin: 0 auto;
}

.culture-card {
    text-align: center;
    padding: 40px 30px;
    background: linear-gradient(135deg, #fafafa 0%, #f5f5f5 100%);
    border-radius: 8px;
    transition: all 0.3s;
}

.culture-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.culture-icon {
    width: 70px;
    height: 70px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 28px;
    color: var(--white);
}

.culture-card h3 {
    font-size: 20px;
    color: var(--text-color);
    margin-bottom: 15px;
}

.culture-card p {
    font-size: 14px;
    color: var(--light-text);
    line-height: 1.8;
}

.footer {
    background: #f8f8f8;
    color: var(--text-color);
    padding: 50px 0 20px;
    border-top: 1px solid #e0e0e0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 30px;
}

.footer-section h3 {
    color: var(--primary-color);
    font-size: 18px;
    margin-bottom: 20px;
}

.footer-section p {
    font-size: 14px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-section p i {
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: #e0e0e0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    transition: all 0.3s;
}

.social-links a:hover {
    background: var(--primary-color);
    color: var(--white);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #e0e0e0;
    font-size: 13px;
    color: var(--light-text);
}

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

    .about-image {
        order: -1;
    }

    .news-grid,
    .halls-grid,
    .video-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 100px;
        left: -100%;
        width: 100%;
        background: rgba(255, 255, 255, 0.95);
        flex-direction: column;
        padding: 20px;
        gap: 0;
        transition: left 0.3s;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        border-bottom: 1px solid rgba(0,0,0,0.1);
    }

    .nav-menu a {
        display: block;
        padding: 15px;
        color: var(--text-color);
    }

    .slide-content h1 {
        font-size: 32px;
    }

    .slide-content p {
        font-size: 16px;
    }

    .contact-info {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }

    .news-grid,
    .halls-grid,
    .video-grid {
        grid-template-columns: 1fr;
    }

    .culture-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}