.welcome-section {
    text-align: center;
    padding: 20px 0;
}

.welcome-section h2 {
    color: #2c3e50;
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.intro-text {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 30px;
    max-width: 95%;
    margin-left: auto;
    margin-right: auto;
    text-align: left;
}

.features-section {
    margin: 20px 0;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    padding: 0 20px;
}

.feature-card {
    background: #fff;
    border-radius: 8px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 220px;
}

.feature-card.core-feature {
    background: #4A90E2;
    color: white;
}

.feature-card.core-feature h3,
.feature-card.core-feature p {
    color: white;
}

/* 突出显示全息舌像卡片 */
.feature-card.highlight-feature {
    background: #3175D0;
    transform: scale(1.03);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    z-index: 2;
    position: relative;
}

.feature-card h3 {
    color: #2c3e50;
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.feature-card p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.5;
    flex-grow: 1;
    font-size: 0.95rem;
    text-align: left;
}

.feature-card.core-feature p {
    opacity: 0.9;
}

.feature-actions {
    margin-top: auto;
}

.feature-link {
    display: inline-block;
    padding: 8px 24px;
    background: #fff;
    color: #4A90E2;
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.95rem;
    border: none;
    transition: all 0.3s ease;
}

.feature-link.basic {
    background: #4A90E2;
    color: white;
}

.feature-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.download-section {
    margin: 40px 0 20px;
}

.download-container {
    display: flex;
    justify-content: center;
    gap: 30px;
}

.download-item {
    text-decoration: none;
    color: #666;
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.download-item:hover {
    transform: translateY(-3px);
}

.download-item img {
    width: 120px;
    margin-bottom: 8px;
}

.download-item span {
    font-size: 0.9rem;
}

@media (prefers-color-scheme: dark) {
    .feature-card {
        background: #2d2d2d;
    }
    
    .feature-card h3 {
        color: #fff;
    }
    
    .feature-card p {
        color: #ccc;
        text-align: left;
    }
    
    .feature-card.core-feature {
        background: #4A90E2;
    }

    .feature-card.highlight-feature {
        background: #3175D0;
    }
    
    .feature-link.basic {
        background: #4A90E2;
    }
    
    .download-item {
        color: #ccc;
    }
}

@media (max-width: 768px) {
    .welcome-section h2 {
        font-size: 1.5rem;
    }
    
    .intro-text {
        font-size: 1rem;
        padding: 0 15px;
        text-align: left;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
        gap: 15px;
        padding: 15px;
    }
    
    .feature-card {
        padding: 20px;
        min-height: auto;
    }
    
    .download-container {
        align-items: center;
        gap: 20px;
    }
}

/* Logo与合作伙伴样式优化 */
.partners-section {
    margin: 40px 0;
    text-align: center;
}

.partners-section h3 {
    margin-bottom: 25px;
    color: #333;
    font-weight: 600;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 15px;
    margin: 0 auto;
    max-width: 1200px;
    padding: 0 15px;
}

.partner-logo {
    background: linear-gradient(145deg, rgba(255,255,255,0.9) 0%, rgba(245,245,245,0.6) 100%);
    border-radius: 12px;
    padding: 15px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.08);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.partner-logo:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.partner-logo svg {
    width: 120px;
    height: 90px;
}

.partner-logo text {
    font-size: 14px;
    font-weight: 500;
}

.security-cert {
    background: linear-gradient(145deg, rgba(255,255,255,0.9) 0%, rgba(245,245,250,0.7) 100%);
}

/* 快捷链接优化 */
.quick-links {
    display: flex;
    flex-wrap: nowrap;
    justify-content: center;
    gap: 10px;
    margin: 30px auto;
    max-width: 100%;
    overflow-x: auto;
    padding: 10px 0;
    -webkit-overflow-scrolling: touch;
}

.quick-link {
    display: flex;
    align-items: center;
    padding: 6px 10px;
    background: linear-gradient(145deg, rgba(255,255,255,0.9) 0%, rgba(245,245,245,0.6) 100%);
    border-radius: 30px;
    color: #444;
    text-decoration: none;
    font-weight: 500;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    white-space: nowrap;
    font-size: 13px;
}

.quick-link:hover {
    background: linear-gradient(145deg, rgba(245,245,245,0.9) 0%, rgba(235,235,235,0.6) 100%);
    box-shadow: 0 3px 8px rgba(0,0,0,0.1);
    color: #4A90E2;
    text-decoration: none;
}

.quick-link svg {
    width: 14px;
    height: 14px;
    margin-right: 6px;
}

/* 响应式布局 */
@media (max-width: 768px) {
    .partners-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
        padding: 0 10px;
    }
    
    .partner-logo {
        padding: 12px;
    }
    
    .partner-logo svg {
        width: 90px;
        height: 70px;
    }
    
    .partner-logo text {
        font-size: 12px;
    }
    
    .quick-links {
        gap: 8px;
        padding: 8px;
        margin: 20px -5px;
    }
    
    .quick-link {
        padding: 5px 8px;
        font-size: 12px;
    }
    
    .quick-link svg {
        width: 12px;
        height: 12px;
        margin-right: 4px;
    }
}