/* 解决方案 */
.solutions {
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 100%);
}

.solutions-content {
    max-width: 1000px;
    margin: 0 auto;
}

.solution-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 60px;
    gap: 20px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 15px 30px;
    background: transparent;
    color: #cccccc;
    border: 2px solid rgba(0, 212, 255, 0.3);
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 16px;
    font-weight: 500;
}

.tab-btn.active,
.tab-btn:hover {
    background: linear-gradient(135deg, #00d4ff, #0099cc);
    color: #ffffff;
    border-color: #00d4ff;
}

.solution-panels {
    position: relative;
}

.solution-panel {
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.solution-panel.active {
    display: flex;
    opacity: 1;
    align-items: center;
    gap: 60px;
}

.panel-content {
    flex: 1;
}

.panel-content h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: #00d4ff;
}

.panel-content p {
    color: #cccccc;
    margin-bottom: 30px;
    line-height: 1.6;
    font-size: 1.1rem;
}

.panel-content ul {
    list-style: none;
}

.panel-content li {
    color: #cccccc;
    margin-bottom: 15px;
    padding-left: 30px;
    position: relative;
}

.panel-content li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #00d4ff;
    font-weight: bold;
}

.panel-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.solution-graphic {
    width: 300px;
    height: 300px;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 153, 204, 0.1));
    border: 2px solid rgba(0, 212, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.solution-graphic::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #00d4ff, #0099cc);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.7; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 1; }
}

/* 联系我们 */
.contact {
    background: #0a0a0a;
}

.contact-content {
    display: flex;
    gap: 80px;
    align-items: flex-start;
}

.contact-info {
    flex: 1;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 40px;
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #00d4ff, #0099cc);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 1.5rem;
    color: #ffffff;
}

.contact-details h4 {
    color: #ffffff;
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.contact-details p {
    color: #cccccc;
    line-height: 1.6;
}

.contact-visual {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-map {
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.8), rgba(22, 33, 62, 0.8));
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(0, 212, 255, 0.2);
    text-align: center;
}

.map-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.map-placeholder i {
    font-size: 3rem;
    color: #00d4ff;
}

.map-placeholder h4 {
    color: #ffffff;
    font-size: 1.5rem;
    margin: 0;
}

.map-placeholder p {
    color: #cccccc;
    margin: 0;
}

.business-hours {
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.8), rgba(22, 33, 62, 0.8));
    padding: 30px;
    border-radius: 20px;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.business-hours h4 {
    color: #00d4ff;
    margin-bottom: 20px;
    text-align: center;
    font-size: 1.3rem;
}

.hours-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
    color: #cccccc;
}

.hours-item:last-child {
    border-bottom: none;
}

.emergency-contact {
    margin-top: 20px;
    padding: 15px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 10px;
    text-align: center;
    color: #00d4ff;
    border: 1px solid rgba(0, 212, 255, 0.3);
}

.emergency-contact i {
    margin-right: 10px;
}

/* 页脚 */
.footer {
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 100%);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3,
.footer-section h4 {
    color: #00d4ff;
    margin-bottom: 20px;
}

.footer-logo span {
    color: #888;
    font-size: 14px;
}

.footer-section p {
    color: #cccccc;
    margin-bottom: 20px;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #00d4ff;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #00d4ff;
    color: #ffffff;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: #cccccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #00d4ff;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(0, 212, 255, 0.2);
    color: #888;
}