/* 联系推广模块 - Contact Promo Section */
.contact-promo {
    position: relative;
    margin: 3rem 0;
    padding: 3rem 2.5rem;
    border-radius: 1.5rem;
    background: linear-gradient(135deg,
        rgba(0, 102, 204, 0.08) 0%,
        rgba(88, 86, 214, 0.08) 50%,
        rgba(175, 82, 222, 0.08) 100%);
    border: 1px solid rgba(0, 102, 204, 0.15);
    overflow: hidden;
}

@media (prefers-color-scheme: dark) {
    .contact-promo {
        background: linear-gradient(135deg,
            rgba(41, 151, 255, 0.12) 0%,
            rgba(88, 86, 214, 0.12) 50%,
            rgba(175, 82, 222, 0.12) 100%);
        border-color: rgba(41, 151, 255, 0.2);
    }
}

.contact-promo::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 102, 204, 0.1) 0%, transparent 70%);
    pointer-events: none;
    animation: contactFloatBubble 8s ease-in-out infinite;
}

.contact-promo::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(175, 82, 222, 0.08) 0%, transparent 70%);
    pointer-events: none;
    animation: contactFloatBubble 10s ease-in-out infinite reverse;
}

@keyframes contactFloatBubble {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(20px, -20px) scale(1.1); }
}

.contact-promo-inner {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.contact-promo-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 1rem;
    background: linear-gradient(135deg, #0066cc 0%, #5856d6 100%);
    color: #fff;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 2rem;
    margin-bottom: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.3);
}

.contact-promo-badge svg {
    width: 14px;
    height: 14px;
}

.contact-promo h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 0.6rem;
    letter-spacing: -0.02em;
}

.contact-promo-subtitle {
    font-size: 1.1rem;
    color: var(--secondary-text);
    margin-bottom: 1.8rem;
    max-width: 500px;
}

.contact-promo-services {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.6rem;
    margin-bottom: 2rem;
}

.service-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 2rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-color);
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.service-tag:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.service-tag svg {
    width: 16px;
    height: 16px;
    opacity: 0.7;
}

.contact-promo-cta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.9rem 1.8rem;
    border-radius: 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    cursor: pointer;
    border: none;
}

.cta-button-primary {
    background: linear-gradient(135deg, #0066cc 0%, #5856d6 100%);
    color: #fff;
    box-shadow: 0 8px 25px rgba(0, 102, 204, 0.35);
}

.cta-button-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 35px rgba(0, 102, 204, 0.45);
}

.cta-button-secondary {
    background: var(--card-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
}

.cta-button-secondary:hover {
    transform: translateY(-3px);
    box-shadow: var(--hover-shadow);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.cta-button svg {
    width: 18px;
    height: 18px;
}

.contact-promo-info {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    width: 100%;
    max-width: 600px;
}

.contact-info-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--secondary-text);
    font-size: 0.95rem;
}

.contact-info-item svg {
    width: 18px;
    height: 18px;
    color: var(--primary-color);
}

.contact-info-item a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.2s ease;
}

.contact-info-item a:hover {
    opacity: 0.8;
    text-decoration: underline;
}

/* 响应式布局 */
@media (max-width: 768px) {
    .contact-promo {
        margin: 2rem 0;
        padding: 2rem 1.2rem;
        border-radius: 1.2rem;
    }

    .contact-promo h2 {
        font-size: 1.5rem;
    }

    .contact-promo-subtitle {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }

    .contact-promo-services {
        gap: 0.5rem;
        margin-bottom: 1.5rem;
    }

    .service-tag {
        padding: 0.4rem 0.8rem;
        font-size: 0.85rem;
    }

    .contact-promo-cta {
        flex-direction: column;
        width: 100%;
        gap: 0.8rem;
    }

    .cta-button {
        width: 100%;
        justify-content: center;
        padding: 0.8rem 1.5rem;
    }

    .contact-promo-info {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }

    .contact-info-item {
        font-size: 0.9rem;
    }
}