.card.content-block {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card.content-block:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2) !important;
}


/* 滚动容器样式 */
.scroll-container {
    overflow: hidden;
    position: relative;
    width: 100%;
    background-color: #f0f7ff;
    border: 1px solid #e1edff;
    margin: 20px 0;
    min-height: 80px;
    transition: all 0.5s ease;
}

/* 无消息时隐藏 */
.scroll-container.hidden {
    height: 0;
    min-height: 0;
    margin: 0;
    border: none;
    padding: 0;
    opacity: 0;
}

/* 滚动内容区域 */
.scroll-content {
    display: inline-flex;
    align-items: center;
    gap: 20px;
    padding: 15px;
    will-change: transform;
}

/* 通知项样式 */
.notice-item {
    background: white;
    padding: 8px 15px;
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    white-space: nowrap;
    transition: all 0.3s ease;
}

.notice-item:hover {
    transform: scale(1.05);
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}


/* 介绍栏目 */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 3rem 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

/* .hero-subtitle {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    font-weight: 300;
} */

.hero-description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.learn-more-link {
    color: #ffc107;
    text-decoration: underline;
    font-weight: 500;
}

.learn-more-link:hover {
    color: #ffca2c;
    text-decoration: underline;
}

.action-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-subscribe {
    background: #ffc107;
    color: #212529;
    border: none;
    padding: 12px 30px;
    font-weight: 600;
    border-radius: 50px;
    box-shadow: 0 4px 15px rgba(255, 193, 7, 0.3);
    transition: all 0.3s ease;
}

.btn-subscribe:hover {
    background: #ffca2c;
    color: #212529;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 193, 7, 0.4);
}

.btn-register {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    padding: 10px 30px;
    font-weight: 500;
    border-radius: 50px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.btn-register:hover {
    background: rgba(255, 255, 255, 0.3);
    color: white;
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

.floating-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.shape {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.shape:nth-child(1) {
    width: 80px;
    height: 80px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.shape:nth-child(2) {
    width: 120px;
    height: 120px;
    top: 60%;
    right: 20%;
    animation-delay: 2s;
}

.shape:nth-child(3) {
    width: 60px;
    height: 60px;
    bottom: 30%;
    left: 30%;
    animation-delay: 4s;
}

.list-section {
    max-width: 800px;
}
    
.feature-list {
    list-style: none;
    padding: 0;
}
    
.feature-list li {
    padding: 0.25rem 0;
    display: flex;
    align-items: flex-start;
}
    
.feature-icon {
    color: rgba(255, 255, 255, 0.9);
    margin-right: 1rem;
    flex-shrink: 0;
}
    
.feature-content h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: rgba(255, 255, 255, 0.9);
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .action-buttons {
        justify-content: center;
    }
}