/* 鍏ㄥ睆妯箙鏍峰紡 */
.hero-banner {
    height: 100vh;
    position: relative;
    background: url('../images/culture1.png') no-repeat center center;
    background-size: cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 0 20px;
}

.hero-title {
    font-size: 64px;
    margin-bottom: 20px;
    animation: fadeInDown 1s ease-out;
}

.hero-subtitle {
    font-size: 24px;
    margin-bottom: 40px;
    animation: fadeInUp 1s ease-out 0.5s both;
}

.scroll-down {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    color: #fff;
    text-decoration: none;
    animation: bounce 2s infinite;
}

.arrow-down {
    width: 30px;
    height: 30px;
    border-right: 3px solid #fff;
    border-bottom: 3px solid #fff;
    transform: rotate(45deg);
    margin-top: 10px;
}

/* 涓昏鍐呭鍖烘牱寮� */
.main-content {
    background-color: #f5f5f5;
}

.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 36px;
    color: #333;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: #c41230;
}

.section-desc {
    font-size: 18px;
    color: #666;
}

/* 鏂囧寲浠峰€兼澘鍧楁牱寮� */
.value-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.value-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.card-icon {
    height: 200px;
    overflow: hidden;
}

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

.value-card:hover .card-icon img {
    transform: scale(1.1);
}

.card-content {
    padding: 30px;
}

.card-content h3 {
    font-size: 24px;
    color: #333;
    margin-bottom: 15px;
}

.card-content p {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
}

/* 鍙戝睍鍘嗙▼鏉垮潡鏍峰紡 */
.timeline-section {
    background-color: #fff;
}

.timeline-wrapper {
    position: relative;
    padding: 40px 0;
}

.timeline-track {
    display: flex;
    overflow-x: auto;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    padding: 20px 0;
}

.timeline-track::-webkit-scrollbar {
    display: none;
}

.timeline-item {
    flex: 0 0 300px;
    margin-right: 30px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    overflow: hidden;
}

.timeline-date {
    background: #c41230;
    color: #fff;
    padding: 10px 20px;
    font-size: 18px;
    text-align: center;
}

.timeline-content {
    padding: 20px;
}

.timeline-content img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 5px;
    margin-bottom: 15px;
}

.timeline-content h3 {
    font-size: 20px;
    color: #333;
    margin-bottom: 10px;
}

.timeline-content p {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
}

.timeline-nav {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

.nav-btn {
    padding: 10px 20px;
    background: #c41230;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.nav-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 浼犳壙浜虹墿鏉垮潡鏍峰紡 */
.inheritor-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.inheritor-card {
    position: relative;
    height: 400px;
    perspective: 1000px;
}

.card-front,
.card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    transition: transform 0.6s ease;
    border-radius: 10px;
    overflow: hidden;
}

.card-front {
    background: #fff;
}

.card-front img {
    width: 100%;
    height: 70%;
    object-fit: cover;
}

.card-front h3 {
    padding: 20px;
    font-size: 24px;
    color: #333;
    margin: 0;
}

.inheritor-title {
    padding: 0 20px;
    font-size: 16px;
    color: #c41230;
}

.card-back {
    background: #fff;
    transform: rotateY(180deg);
    padding: 30px;
}

.inheritor-card:hover .card-front {
    transform: rotateY(180deg);
}

.inheritor-card:hover .card-back {
    transform: rotateY(0);
}

.card-back h3 {
    font-size: 24px;
    color: #333;
    margin-bottom: 20px;
}

.card-back p {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
}

.achievement h4 {
    font-size: 18px;
    color: #333;
    margin-bottom: 10px;
}

.achievement ul {
    list-style: none;
    padding: 0;
}

.achievement li {
    font-size: 16px;
    color: #666;
    margin-bottom: 5px;
    padding-left: 20px;
    position: relative;
}

.achievement li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background: #c41230;
    border-radius: 50%;
}

/* 鏂囧寲娲诲姩鏉垮潡鏍峰紡 */
.activity-gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.gallery-item {
    position: relative;
    height: 300px;
    border-radius: 10px;
    overflow: hidden;
}

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

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 20px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay h3 {
    font-size: 24px;
    margin-bottom: 10px;
}

.gallery-overlay p {
    font-size: 16px;
}

/* 鍔ㄧ敾鏁堟灉 */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-20px);
    }
    60% {
        transform: translateY(-10px);
    }
}

/* 鍝嶅簲寮忓竷灞€ */
@media screen and (max-width: 768px) {
    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .value-cards {
        grid-template-columns: 1fr;
    }

    .timeline-item {
        flex: 0 0 250px;
    }

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

    .activity-gallery {
        grid-template-columns: 1fr;
    }
}