/* Modern styles for Shanghai SuperCTRL Automation website */

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #3b82f6;
    --text-primary: #1f2937;
    --text-secondary: #4b5563;
    --background-light: #f8fafc;
    --background-dark: #1f2937;
    --brand-red: #ff3b30;      /* 主品牌红 */
    --brand-red-hover: #ff5e55; /* 浅10%的变体 */
    --brand-red-dark: #d70015;  /* 深色版本 */
}

/* Global Styles */x
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    padding-top: 0;
    color: var(--text-primary);
    overflow-x: hidden;
}
/* 添加高清优化 */
img {
    image-rendering: -webkit-optimize-contrast; /* 增强锐化 */
    image-rendering: crisp-edges;
}

/* Custom Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease-out;
}

/* Navbar Styles */
.navbar {
    padding: 1rem 0;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar.navbar-light {
    background: rgba(255, 255, 255, 0.95);
}

@keyframes brand-glow {
    0% { opacity: 0.95; }
    50% { opacity: 1; }
    100% { opacity: 0.95; }
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(
        45deg, 
        var(--brand-red-dark), 
        var(--brand-red)
    );
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    animation: brand-glow 2s ease-in-out infinite;
}

.navbar-brand:hover {
    background: linear-gradient(
        45deg, 
        var(--brand-red), 
        var(--brand-red-hover)
    );
    -webkit-background-clip: text;
    background-clip: text;
    opacity: 0.9;
    transform: scale(1.02);
}

.navbar-nav .nav-link {
    color: #2c3e50 !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus {
    color: var(--primary) !important;
}

.navbar-nav .nav-link.active {
    color: var(--primary) !important;
    font-weight: 600;
}

.navbar .navbar-toggler {
    border: none;
    padding: 0.5rem;
}

.navbar .navbar-toggler:focus {
    box-shadow: none;
}

.navbar .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(44, 62, 80, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    padding: 0.8rem 0;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #4263eb 0%, #3b5bdb 100%);
    color: white;
    padding: 160px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/pattern.svg') repeat;
    opacity: 0.15;
    pointer-events: none;
    animation: patternFloat 60s linear infinite;
}

@keyframes patternFloat {
    0% {
        transform: translate(0, 0);
    }
    50% {
        transform: translate(20px, 10px);
    }
    100% {
        transform: translate(0, 0);
    }
}

/* Hero Content */
.hero-content {
    max-width: 600px;
}

.hero-section h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 2rem;
    color: #fff;
}

.hero-section .lead {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2.5rem;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
}

.stat-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 1rem 2rem;
    border-radius: 1rem;
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

.stat-years {
    font-size: 1.5rem;
    font-weight: 600;
    color: #fff;
}

/* Hero Metrics */
.hero-metrics {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
}

.metric-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.75rem 1.5rem;
    border-radius: 2rem;
}

.metric-text {
    color: #fff;
    font-size: 0.9rem;
}

/* Hero Image Wrapper */
.hero-image-wrapper {
    position: relative;
    padding: 2rem;
    margin-left: 4rem;
}

.hero-image-wrapper img {
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    max-width: 100%;
    height: auto;
}

/* Badges */
.experience-badge {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: rgba(66, 99, 235, 0.95);
    color: white;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.experience-badge .years {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
    color: #ffffff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.experience-badge .text {
    display: block;
    font-size: 1rem;
    font-weight: 500;
    color: #ffffff;
    opacity: 1;
    margin-top: 0.3rem;
}

.clients-badge {
    position: absolute;
    bottom: 140px;
    left: 20px;
    background: white;
    padding: 15px 25px;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    z-index: 2;
}

.clients-badge .number {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.clients-badge .text {
    font-size: 14px;
    color: var(--text-secondary);
}

.timeline {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    overflow-x: visible;
}

.milestone {
    text-align: center;
    position: relative;
    min-width: 50px;
}

.milestone:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 50%;
    right: -15px;
    width: 10px;
    height: 2px;
    background: var(--text-secondary);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.milestone .year {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.milestone .text {
    font-size: 12px;
    color: var(--text-secondary);
    white-space: nowrap;
}

@media (max-width: 992px) {
    .timeline-badge {
        left: 40%;
        width: 65%;
        padding: 15px 20px;
    }

    .milestone {
        min-width: 60px;
    }
}

@media (max-width: 768px) {
    .timeline-badge {
        left: 40%;
        width: 85%;
        padding: 12px 15px;
    }

    .milestone {
        min-width: 60px;
    }
}

@media (max-width: 992px) {
    .experience-badge {
        top: 10px;
        right: 10px;
        padding: 12px 20px;
    }

    .clients-badge {
        bottom: 120px;
        left: 10px;
        padding: 12px 20px;
    }

    .timeline-badge {
        padding: 15px 20px;
    }

    .milestone .year {
        font-size: 14px;
    }

    .milestone .text {
        font-size: 11px;
    }
}

@media (max-width: 768px) {
    .experience-badge,
    .clients-badge {
        padding: 10px 15px;
    }

    .experience-badge .years,
    .clients-badge .number {
        font-size: 20px;
    }

    .timeline-badge {
        padding: 12px 15px;
    }

    .milestone:not(:last-child)::after {
        right: -10px;
        width: 5px;
    }
}

@media (max-width: 1200px) {
    .hero-section {
        padding: 100px 0;
    }

    .hero-section h1 {
        font-size: 3.5rem;
    }

    .hero-image-wrapper {
        margin-left: 2rem;
    }
}

@media (max-width: 992px) {
    .hero-section {
        padding: 80px 0;
        text-align: center;
    }

    .hero-section h1 {
        font-size: 3rem;
    }

    .hero-content {
        max-width: 100%;
        margin-bottom: 3rem;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-metrics {
        justify-content: center;
    }

    .hero-image-wrapper {
        margin: 3rem auto 0;
        padding: 1.5rem;
        max-width: 90%;
    }

    .experience-badge {
        top: 0.5rem;
        right: 0.5rem;
    }

    .clients-badge {
        bottom: 7rem;
        left: 0.5rem;
    }
}

@media (max-width: 768px) {
    .hero-section {
        padding: 60px 0;
    }

    .hero-section h1 {
        font-size: 2.5rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }

    .stat-item {
        padding: 0.75rem 1.5rem;
    }

    .hero-image-wrapper {
        padding: 1rem;
        margin: 2rem auto 0;
    }

    .timeline-badge {
        padding: 1rem;
        gap: 1rem;
    }

    .milestone:not(:last-child)::after {
        right: -0.5rem;
        width: 1rem;
    }

    .milestone .text {
        font-size: 0.7rem;
    }
}

/* Feature Items */
.key-features {
    margin-top: 2rem;
}

.feature-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 1.5rem;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.feature-item i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: #fff;
}

.feature-item h5 {
    margin: 0;
    font-size: 1rem;
    font-weight: 500;
    color: #fff;
}

/* Experience and Clients Badges */
.experience-badge,
.clients-badge {
    margin-top: -5rem;
    position: absolute;
    background: white;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    color: #333;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
}
.timeline-badge {
    margin-left: -5rem;
    position: absolute;
    width: 100%;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column row;
    align-items: center;
    color: #333;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
    left: 40%;
    bottom: -30px;
    transform: translateX(-50%);

}
.experience-badge {
    top: 40px;
    right: -20px;
}

.clients-badge {
    bottom: 120px;
    left: -20px;
}



.experience-badge .years,
.clients-badge .number {
    font-size: 2rem;
    font-weight: 800;
    color: #4e54c8;
    line-height: 1;
}

.experience-badge .period {
    font-size: 0.8rem;
    color: #666;
    margin-top: 0.2rem;
}

.experience-badge .text,
.clients-badge .text {
    font-size: 0.9rem;
    color: #666;
    margin: 0.3rem 0;
}

.milestone:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -72%;
    top: 12px;
    width: 100%;
    height: 2px;
    background: linear-gradient(to right, #4e54c8, #8f94fb);
    z-index: 0;
}

.milestone .year {
    font-size: 1.2rem;
    font-weight: 700;
    color: #4e54c8;
    margin-bottom: 0.3rem;
    background: white;
    padding: 0 8px;
    z-index: 1;
}

.milestone .text {
    font-size: 0.8rem;
    color: #666;
    text-align: center;
    white-space: nowrap;
}

/* Responsive adjustments */
@media (max-width: 991.98px) {
    .hero-section {
        padding: 80px 0 60px;
    }
    
    .experience-badge,
    .clients-badge {
        transform: scale(0.9);
    }
    
    .experience-badge {
        right: 0;
    }
    
    .clients-badge {
        left: 0;
    }
    
    .timeline-badge {
        width: 95%;
        padding: 1rem;
    }
    
    .milestone .year {
        font-size: 1rem;
    }
    
    .milestone .text {
        font-size: 0.7rem;
    }
}

@media (max-width: 767.98px) {
    .navbar {
        background: white;
        padding: 1rem 0;
    }
    
    .stats-item .number {
        font-size: 2.5rem;
    }
    
    .contact-form {
        padding: 2rem;
    }
    
    .timeline-badge {
        bottom: -20px;
    }
    
    .milestone:not(:last-child)::after {
        right: -30%;
        width: 60%;
    }
}

  /* 4K屏幕适配 */
  @media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) { 
    .navbar-brand {
        text-shadow: 0 0 1px rgba(255, 59, 48, 0.3); /* 抗锯齿 */
    }
    .hero-image-wrapper img {
        background-image: url("../images/hero-bg@2x.jpg");
    }
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    position: relative;
    display: inline-block;
    margin-bottom: 1.5rem;
}

.section-header h2::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -15px;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: var(--primary-color);
}

.section-header p {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Solutions Section */
.solutions-section {
    position: relative;
    overflow: hidden;
}

.solutions-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.05) 0%, rgba(var(--primary-rgb), 0) 100%);
    z-index: 0;
}

.solution-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    height: 100%;
}

.solution-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.solution-image {
    position: relative;
    height: 280px;
    overflow: hidden;
}

.solution-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.solution-card:hover .solution-image img {
    transform: scale(1.1);
}

.solution-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, 
        rgba(0,0,0,0.1) 0%,
        rgba(0,0,0,0.5) 50%,
        rgba(0,0,0,0.8) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 2rem;
    color: #fff;
}

.solution-overlay h3 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    transform: translateY(20px);
    opacity: 0.9;
    transition: all 0.4s ease;
}

.solution-card:hover .solution-overlay h3 {
    transform: translateY(0);
    opacity: 1;
}

.solution-content {
    padding: 2rem;
    background: #fff;
}

.solution-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* Products Section */
.products-section {
    position: relative;
    background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
}

.product-category {
    margin-bottom: 4rem;
}

.product-category-title {
    position: relative;
    font-size: 1.75rem;
    margin-bottom: 2rem;
    padding-left: 1rem;
    border-left: 4px solid var(--primary-color);
}

.product-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    height: 100%;
    position: relative;
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.15);
}

.product-card .product-image {
    position: relative;
    border-radius: 12px 12px 0 0;
    overflow: hidden;
}

.product-card .product-image img {
    width: auto;
    height: 260px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.product-card .product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-card:hover .product-overlay {
    opacity: 1;
}

.product-card .product-content {
    padding: 1.5rem;
}

.product-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.product-card p {
    color: #666;
    margin-bottom: 1rem;
}

.product-card .product-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.product-card .product-features li {
    color: #555;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.product-card .product-features li:before {
    content: "•";
    color: var(--primary-color);
    position: absolute;
    left: 0.5rem;
}

.product-card .product-link {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.product-card .btn {
    position: relative;
    z-index: 2;
}

.product-card {
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.product-image {
    position: relative;
    overflow: hidden;
    padding-top: 100%;
    background: linear-gradient(135deg, #f8f9fa 0%, #fff 100%);
}

.product-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 1.5rem;
    transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(var(--primary-rgb), 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.4s ease;
}

.product-card:hover .product-overlay {
    opacity: 1;
}

.product-overlay .btn {
    transform: translateY(20px);
    transition: all 0.4s ease;
}

.product-card:hover .product-overlay .btn {
    transform: translateY(0);
}

.product-content {
    padding: 1.5rem;
    background: #fff;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.product-content p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.product-features {
    list-style: none;
    padding: 0;
    margin: 0;
    flex-grow: 1;
}

.product-features li {
    position: relative;
    padding: 0.5rem 0 0.5rem 1.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.product-features li::before {
    content: "•";
    color: var(--primary-color);
    position: absolute;
    left: 0;
    top: 0.5rem;
    font-size: 1.2rem;
}

@media (max-width: 991.98px) {
    .solution-image {
        height: 240px;
    }
    
    .product-category {
        margin-bottom: 3rem;
    }
}

@media (max-width: 767.98px) {
    .solution-image {
        height: 200px;
    }
    
    .solution-overlay h3 {
        font-size: 1.5rem;
    }
}

/* Chart Section Styles */
.chart-section {
    background: #fff;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.08);
}

.chart-container {
    position: relative;
    height: 300px;
    margin: 1rem 0;
}

.chart-legend {
    margin-top: 1.5rem;
}

.legend-item {
    display: flex;
    align-items: center;
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
}

.legend-dot {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.legend-dot.bg-primary {
    background-color: rgba(13, 110, 253, 1);
}

.legend-dot.bg-success {
    background-color: rgba(25, 135, 84, 1);
}

.legend-dot.bg-info {
    background-color: rgba(13, 202, 240, 1);
}

.legend-dot.bg-warning {
    background-color: rgba(255, 193, 7, 1);
}

/* Make chart responsive on mobile */
@media (max-width: 768px) {
    .chart-container {
        height: 250px;
    }
    
    .chart-section {
        padding: 1rem;
    }
    
    .legend-item {
        font-size: 0.8rem;
    }
}

/* Chart Styles */
.chart-container {
    position: relative;
    width: 100%;
    height: 300px;
}

.chart-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 20px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.legend-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
}

.legend-label {
    color: var(--text-color);
    font-weight: 500;
}

#business-overview {
    background-color: var(--section-bg);
    padding: 60px 0;
}

#business-overview .chart-container {
    background-color: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

/* Stats Section */
.hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    backdrop-filter: blur(10px);
}

.stat-item {
    flex: 1;
    text-align: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 0.75rem;
    transition: transform 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.5rem;
    line-height: 1;
}

.stat-label {
    display: block;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

.stat-years {
    display: block;
    font-size: 1.5rem;
    font-weight: 600;
    color: #fff;
}

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.metric-item {
    text-align: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 0.75rem;
    transition: all 0.3s ease;
}

.metric-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.metric-text {
    color: #fff;
    font-size: 1rem;
    font-weight: 500;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .hero-stats {
        gap: 1rem;
        padding: 1rem;
    }

    .stat-item {
        padding: 0.75rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .stat-label {
        font-size: 0.9rem;
    }

    .hero-metrics {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Contact Form */
.contact-form {
    background: white;
    padding: 3rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.form-control {
    padding: 1rem;
    border-radius: 0.5rem;
    border: 2px solid #e5e7eb;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Custom Buttons */
.btn {
    padding: 0.75rem 2rem;
    font-weight: 500;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: all 0.6s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

/* Footer */
footer {
    background: var(--background-dark);
    color: white;
    padding: 5rem 0 2rem;
}

.footer-heading {
    color: white;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.footer-link {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: white;
}

/* Language Switcher */
.language-switcher {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: 1rem;
}

.language-selector {
    background: transparent;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 4px;
    padding: 0.4rem 0.6rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.language-selector:hover {
    background: rgba(0, 0, 0, 0.05);
    transform: translateY(-1px);
}

.language-selector.active {
    border-color: var(--primary);
    background: rgba(var(--primary-rgb), 0.1);
}

.language-selector img {
    width: 20px;
    height: 20px;
    border-radius: 2px;
    object-fit: cover;
}

@media (max-width: 768px) {
    .language-switcher {
        margin: 1rem 0 0;
    }
}

/* Language Modal */
.language-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.language-modal .modal-content {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    width: 90%;
    max-width: 500px;
    position: relative;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.language-modal .close-button {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #666;
    padding: 0.5rem;
    line-height: 1;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.language-modal .close-button:hover {
    background: #f5f5f5;
    color: #333;
}

.language-modal h2 {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 600;
}

.language-modal .language-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.language-modal .language-option {
    padding: 1rem;
    border: 2px solid #eee;
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    background: white;
}

.language-modal .language-option:hover {
    border-color: var(--primary-color);
    background: rgba(var(--primary-rgb), 0.05);
    transform: translateY(-2px);
}

.language-modal .language-option.active {
    border-color: var(--primary-color);
    background: rgba(var(--primary-rgb), 0.1);
}

.language-modal .language-option i {
    font-size: 1.5rem;
}

.language-modal .language-option span {
    font-size: 1rem;
    font-weight: 500;
}

.language-modal .preference-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid #eee;
}

.language-modal .remember-preference {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.language-modal .button-group {
    display: flex;
    gap: 1rem;
}

.language-modal .cancel {
    padding: 0.5rem 1rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    background: white;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.language-modal .save-preference {
    padding: 0.5rem 1.5rem;
    border: none;
    border-radius: 5px;
    background: var(--primary-color);
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.language-modal .save-preference:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.language-modal .cancel:hover {
    background: #f5f5f5;
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .language-modal .modal-content {
        padding: 1.5rem;
        width: 95%;
    }

    .language-modal .language-grid {
        grid-template-columns: 1fr;
    }

    .language-modal .preference-footer {
        flex-direction: column;
        gap: 1rem;
    }

    .language-modal .button-group {
        width: 100%;
    }

    .language-modal .cancel,
    .language-modal .save-preference {
        flex: 1;
        text-align: center;
    }
}

/* Hero Features */
.hero-features {
    margin-top: 2rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, 0.15);
}

.feature-item i {
    font-size: 1.5rem;
    color: white;
}

.feature-item span {
    font-size: 1.1rem;
    font-weight: 500;
    color: white;
}

.experience-badge {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: var(--primary);
    color: white;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.experience-badge .years {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
    color: #ffffff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.experience-badge .text {
    display: block;
    font-size: 1rem;
    font-weight: 500;
    color: #ffffff;
    opacity: 1;
    margin-top: 0.3rem;
}

@media (max-width: 768px) {
    .feature-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .feature-item {
        padding: 0.8rem;
    }
    
    .experience-badge {
        bottom: 10px;
        right: 10px;
        padding: 0.8rem;
    }
    
    .experience-badge .years {
        font-size: 1.5rem;
    }
}

/* Chart Container */
.chart-container {
    position: relative;
    width: 100%;
    height: 300px;
}

/* Ensure chart is responsive on mobile */
.chart-container canvas {
    max-width: 100%;
    height: 100%;
}

/* Stats Grid */
.stats-grid {
    margin-bottom: 2rem;
}

.stats-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 1.5rem;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s ease;
}

.stats-item .number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #4e54c8;
    margin-bottom: 0.5rem;
    line-height: 1;
}

.stats-item p {
    margin: 0;
    color: #666;
}

/* About Section Layout */
#about .row {
    align-items: center;
}

#about .col-lg-6:first-child {
    margin-bottom: 2rem;
}

@media (min-width: 992px) {
    .chart-container {
        padding: 1.5rem;
    }
    
    #about .col-lg-6:first-child {
        margin-bottom: 0;
        padding-right: 2rem;
    }
}

/* Social Media Links */
.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-link {
    color: #fff;
    transition: transform 0.3s ease, background-color 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
}

.social-link svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

/* Specific social media colors on hover */
.social-link[title="WeChat"]:hover {
    color: #07C160;
}

.social-link[title="X (Twitter)"]:hover {
    color: #fff;
    background: #000;
}

.social-link[title="Xiaohongshu"]:hover {
    color: #FE2C55;
}

.social-link[title="TikTok"]:hover {
    background: linear-gradient(90deg, #25F4EE, #FE2C55);
    color: #fff;
}

/* Font families for different languages */
[lang="zh"] {
    font-family: "Noto Sans SC", sans-serif;
}

[lang="ja"] {
    font-family: "Noto Sans JP", sans-serif;
}

[lang="ko"] {
    font-family: "Noto Sans KR", sans-serif;
}

[lang="th"] {
    font-family: "Noto Sans Thai", sans-serif;
}

[lang="vi"] {
    font-family: "Noto Sans", sans-serif;
}

[lang="hi"] {
    font-family: "Noto Sans Devanagari", sans-serif;
}

[lang="bn"] {
    font-family: "Noto Sans Bengali", sans-serif;
}

[lang="ta"] {
    font-family: "Noto Sans Tamil", sans-serif;
}

[lang="te"] {
    font-family: "Noto Sans Telugu", sans-serif;
}

/* Adjust line height for Indian scripts */
[lang="hi"], [lang="bn"], [lang="ta"], [lang="te"] {
    line-height: 1.6;
    /* Increase line height for better readability of complex scripts */
}

/* Adjust font sizes for Indian scripts */
[lang="hi"] h1, [lang="bn"] h1, [lang="ta"] h1, [lang="te"] h1 {
    font-size: calc(var(--bs-h1-font-size) * 1.1);
    /* Slightly larger headings for better visibility */
}

/* Ensure proper text alignment for Indian scripts */
[lang="hi"] .text-justify, 
[lang="bn"] .text-justify,
[lang="ta"] .text-justify,
[lang="te"] .text-justify {
    text-align: start;
    /* Better alignment for complex scripts */
}

/* Adjust button padding for longer text in Indian languages */
[lang="hi"] .btn, 
[lang="bn"] .btn,
[lang="ta"] .btn,
[lang="te"] .btn {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
    /* More space for longer text */
}

/* RTL Support for Arabic */
[dir="rtl"] {
    text-align: right;
}

[dir="rtl"] .ms-auto {
    margin-right: auto !important;
    margin-left: 0 !important;
}

[dir="rtl"] .me-auto {
    margin-left: auto !important;
    margin-right: 0 !important;
}

[dir="rtl"] .me-3 {
    margin-left: 1rem !important;
    margin-right: 0 !important;
}

[dir="rtl"] .dropdown-menu-end {
    right: auto !important;
    left: 0 !important;
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero-section h1 {
        font-size: 3rem;
    }
    
    .hero-section .lead {
        font-size: 1.25rem;
    }
    
    .solution-card {
        height: 250px;
    }
}

/* Language Selector */
.language-selector {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    color: var(--text-primary);
    transition: color 0.3s ease;
}

.language-selector:hover {
    color: var(--primary-color);
}

/* Language Modal */
.language-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.language-modal .modal-content {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    width: 90%;
    max-width: 600px;
    position: relative;
}

.language-modal .close-button {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #666;
}

.language-modal h2 {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.language-modal .language-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.language-modal .language-option {
    padding: 1rem;
    border: 2px solid #eee;
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.language-modal .language-option:hover {
    border-color: var(--primary-color);
    background: rgba(var(--primary-rgb), 0.05);
}

.language-modal .language-option.active {
    border-color: var(--primary-color);
    background: rgba(var(--primary-rgb), 0.1);
}

.language-modal .language-option img {
    width: 24px;
    height: 24px;
}

.language-modal .preference-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid #eee;
}

.language-modal .remember-preference {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.language-modal .button-group {
    display: flex;
    gap: 1rem;
}

.language-modal .cancel {
    padding: 0.5rem 1rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    background: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.language-modal .save-preference {
    padding: 0.5rem 1.5rem;
    border: none;
    border-radius: 5px;
    background: var(--primary-color);
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.language-modal .save-preference:hover {
    background: var(--primary-dark);
}

.language-modal .cancel:hover {
    background: #f5f5f5;
}

@media (max-width: 768px) {
    .language-modal .modal-content {
        padding: 1.5rem;
    }

    .language-modal .language-grid {
        grid-template-columns: 1fr;
    }

    .language-modal .preference-footer {
        flex-direction: column;
        gap: 1rem;
    }

    .language-modal .button-group {
        width: 100%;
        justify-content: stretch;
    }

    .language-modal .cancel,
    .language-modal .save-preference {
        flex: 1;
        text-align: center;
    }
}

/* About Section Styles */
.stats-card {
    background: white;
    border-radius: 10px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.stats-card:hover {
    transform: translateY(-5px);
}

.stats-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.stats-card .number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.stats-label {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--text-color);
}

.stats-desc {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 0;
}

.key-points .point-item {
    display: flex;
    align-items: center;
    font-size: 1.1rem;
}

.key-points .point-item i {
    font-size: 1.2rem;
    margin-right: 10px;
}

@media (max-width: 768px) {
    .stats-card {
        margin-bottom: 20px;
    }
    
    .stats-card .number {
        font-size: 2rem;
    }
    
    .stats-icon {
        font-size: 2rem;
    }
}

/* Dropdown Menu Styles */
.dropdown-menu {
    border: none;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border-radius: 0.5rem;
    padding: 1rem 0;
    min-width: 240px;
}

.dropdown-header {
    color: #666;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.5rem 1.5rem;
}

.dropdown-item {
    color: #333;
    padding: 0.5rem 1.5rem;
    font-size: 0.95rem;
    transition: all 0.2s ease;
}

.dropdown-item:hover {
    background-color: #f8f9fa;
    color: var(--primary-color);
    transform: translateX(5px);
}

.dropdown-divider {
    margin: 0.5rem 0;
    border-color: #eee;
}

/* Navbar adjustments */
.navbar-nav .nav-link {
    font-weight: 500;
    padding: 1rem 1.25rem;
    position: relative;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.navbar-nav .nav-link:hover::after {
    width: 100%;
}

.navbar-nav .dropdown-toggle::after {
    margin-left: 0.5rem;
    vertical-align: middle;
}

/* Responsive adjustments */
@media (max-width: 991px) {
    .dropdown-menu {
        border: none;
        box-shadow: none;
        padding: 0.5rem 0;
        background-color: #f8f9fa;
    }

    .dropdown-item {
        padding: 0.5rem 2rem;
    }

    .dropdown-item:hover {
        transform: none;
    }
}