/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', 'Microsoft YaHei', sans-serif;
    overflow-x: hidden;
    height: 100vh;
}

/* Video Background */
.video-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -2;
    transition: all 0.3s ease;
}

#bgVideo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.3s ease;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: -1;
    transition: all 0.3s ease;
}

/* Video background effects on scroll */
.video-background.scrolled {
    opacity: 0.2;
}

.video-overlay.scrolled {
    background: rgba(0, 0, 0, 0.8);
}

/* Navigation */
.navbar {
    background: rgba(0, 0, 0, 0.3) !important;
    backdrop-filter: blur(10px);
    padding: 0.5rem 0;
    transition: all 0.3s ease;
    min-height: 70px;
    max-height: 70px;
}

.navbar-brand {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: white !important;
}

.logo-img {
    width: 100px !important;
    height: 60px !important;
    object-fit: contain;
    border-radius: 8px;
    display: block;
}

.company-info {
    margin-left: 15px;
}

.company-name-zh {
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
    line-height: 1.2;
}

.company-name-en {
    font-size: 0.9rem;
    color: #ccc;
    letter-spacing: 1px;
}

.company-full-name {
    color: white;
    font-size: 1.1rem;
    font-weight: 500;
    letter-spacing: 1px;
    margin-left: 2rem;
}

.navbar-nav .nav-link {
    color: white !important;
    font-weight: 500;
    margin: 0 0.3rem;
    padding: 0.5rem 0.8rem !important;
    transition: all 0.3s ease;
    border-radius: 5px;
    white-space: nowrap;
    font-size: 0.9rem;
}

.navbar-nav .nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}


/* Main Content */
.main-content {
    position: relative;
    z-index: 1;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 80px;
}

.description-text {
    font-size: 1.2rem;
    color: white;
    margin-bottom: 2rem;
    line-height: 1.6;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.main-title {
    font-size: 3.5rem;
    font-weight: bold;
    color: white;
    margin-bottom: 3rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    line-height: 1.2;
}

.cta-button {
    background: rgba(0, 0, 0, 0.8) !important;
    border: 2px solid white !important;
    color: white !important;
    padding: 15px 40px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cta-button:hover {
    background: white !important;
    color: black !important;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

/* Language Switcher */
.language-switcher {
    position: relative;
    display: inline-block;
    margin-left: 20px;
    font-family: 'Arial', 'Microsoft YaHei', sans-serif;
}

/* Hide desktop language switcher on mobile */
@media (max-width: 991px) {
    .language-switcher:not(.mobile-language-switcher) {
        display: none !important;
    }
}

.language-btn {
    background: rgba(0, 0, 0, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    min-width: 80px;
    justify-content: center;
}

.language-btn:hover {
    background: rgba(0, 0, 0, 0.8);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.language-btn i {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.language-switcher.active .language-btn i {
    transform: rotate(180deg);
}

.language-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: rgba(0, 0, 0, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    backdrop-filter: blur(15px);
    min-width: 120px;
    margin-top: 5px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.language-switcher.active .language-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-option {
    color: white;
    padding: 10px 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    border-radius: 6px;
    margin: 2px;
}

.language-option:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.language-option.active {
    background: rgba(255, 255, 255, 0.2);
    color: #4a90e2;
}

/* Mobile Navigation Styles */
.mobile-menu-btn {
    padding: 8px 12px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.mobile-menu-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

.mobile-menu-btn:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.3);
}

.mobile-logo-container {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.mobile-logo {
    height: 40px;
    width: auto;
    border-radius: 8px;
}

.mobile-language-switcher {
    position: relative;
}

.mobile-language-btn {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 500;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
    min-width: 70px;
}

.mobile-language-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
}

.mobile-language-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: rgba(0, 0, 0, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    padding: 6px 0;
    min-width: 100px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.3);
}

.mobile-language-switcher.active .mobile-language-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mobile-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(15px);
    border-radius: 0 0 15px 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-menu-content {
    padding: 20px;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mobile-nav-link {
    display: block;
    padding: 12px 16px;
    color: white;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.3s ease;
    text-align: center;
}

.mobile-nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    transform: translateX(5px);
}

/* Ensure proper display for desktop and mobile layouts */
@media (min-width: 992px) {
    .mobile-menu-btn,
    .mobile-logo-container,
    .mobile-language-switcher,
    .mobile-menu,
    .collapse.mobile-menu {
        display: none !important;
    }
    
    /* Force hide mobile menu even when Bootstrap shows it */
    .navbar-collapse.mobile-menu {
        display: none !important;
    }
}

@media (max-width: 991px) {
    .navbar-brand .company-full-name {
        display: none !important;
    }
}

/* Additional desktop-specific hiding rules */
@media (min-width: 992px) {
    /* Hide all mobile-specific elements */
    [class*="mobile-"],
    .d-lg-none,
    #mobileNavbarNav {
        display: none !important;
    }
    
    /* Force hide mobile menu with all possible selectors */
    .collapse.mobile-menu,
    .navbar-collapse.mobile-menu,
    .mobile-menu,
    #mobileNavbarNav {
        display: none !important;
        visibility: hidden !important;
        height: 0 !important;
        overflow: hidden !important;
    }
    
    /* Ensure desktop navigation is visible */
    .navbar-nav {
        display: flex !important;
    }
}

/* Responsive Design */
@media (max-width: 1200px) {
    .navbar-nav .nav-link {
        margin: 0 0.2rem;
        padding: 0.5rem 0.6rem !important;
        font-size: 0.85rem;
    }
}

@media (max-width: 992px) {
    .company-full-name {
        display: none !important;
    }
    
    .navbar-brand {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .company-info {
        margin-left: 0;
        margin-top: 10px;
    }
    
    
    .main-title {
        font-size: 2.5rem;
    }
    
    .description-text {
        font-size: 1.1rem;
    }
    
    /* Language Switcher Medium Screen Optimization */
    .language-switcher {
        top: 15px;
        right: 80px;
        z-index: 10000;
    }
    
    .language-btn {
        padding: 8px 16px;
        font-size: 0.9rem;
        min-width: 80px;
        background: rgba(0, 0, 0, 0.8);
        border: 1px solid rgba(255, 255, 255, 0.4);
    }
    
    /* Features Section Medium Screen Optimization */
    .features-section {
        padding: 50px 0;
    }
    
    .feature-item {
        flex-direction: column !important;
        margin-bottom: 35px;
        border-radius: 15px;
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
        width: 100%;
        max-width: 100%;
    }
    
    .feature-item:nth-child(even) {
        flex-direction: column !important;
    }
    
    .feature-image {
        flex: none !important;
        width: 100% !important;
        height: 250px;
        border-radius: 0;
        overflow: hidden;
        margin: 0;
        padding: 0;
    }
    
    .feature-image img {
        width: 100% !important;
        height: 100% !important;
        object-fit: cover;
        border-radius: 0;
        display: block;
    }
    
    .feature-content {
        padding: 35px 30px;
        text-align: center;
    }
    
    .feature-title {
        font-size: 1.7rem;
        text-align: center;
        margin-bottom: 15px;
    }
    
    .feature-title::after {
        left: 50%;
        transform: translateX(-50%);
        width: 60px;
    }
    
    .feature-description {
        font-size: 1.1rem;
        text-align: center;
        line-height: 1.6;
    }
}

@media (max-width: 768px) {
    /* 小屏幕导航栏优化 */
    .navbar .container {
        padding: 0 10px;
    }
    
    .navbar-brand.d-lg-none .logo-img {
        width: 70px;
        height: 45px;
    }
    
    .navbar-toggler {
        padding: 3px 6px;
        margin-right: auto;
        border: 1px solid rgba(255, 255, 255, 0.3);
        border-radius: 5px;
    }
    
    .navbar-toggler:focus {
        box-shadow: 0 0 0 0.2rem rgba(255, 255, 255, 0.25);
    }
    
    .navbar-toggler-icon {
        width: 1em;
        height: 1em;
    }
    
    .navbar-collapse.d-lg-none {
        margin-top: 8px;
        padding: 12px;
        background: rgba(0, 0, 0, 0.95);
        border-radius: 10px;
        backdrop-filter: blur(15px);
        border: 1px solid rgba(255, 255, 255, 0.2);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    }
    
    .navbar-collapse.d-lg-none .nav-link {
        padding: 10px 14px !important;
        font-size: 0.9rem;
        color: white !important;
        font-weight: 500;
        border-radius: 5px;
        margin: 2px 0;
        transition: all 0.3s ease;
    }
    
    .navbar-collapse.d-lg-none .nav-link:hover {
        background: rgba(255, 255, 255, 0.1);
        color: white !important;
    }
    
    /* Ensure navbar has enough space for language switcher */
    .navbar {
        padding-right: 0;
    }
    
    .main-title {
        font-size: 2rem;
    }
    
    .description-text {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .cta-button {
        padding: 12px 30px;
        font-size: 1rem;
    }
    
    .logo-img {
        width: 80px;
        height: 50px;
    }
    
    .company-name-zh {
        font-size: 1.2rem;
    }
    
    .company-name-en {
        font-size: 0.8rem;
    }
    
    /* Language Switcher Tablet Optimization */
    .language-switcher {
        top: 15px;
        right: 80px;
        z-index: 10000;
    }
    
    .language-btn {
        padding: 7px 14px;
        font-size: 0.85rem;
        min-width: 75px;
        background: rgba(0, 0, 0, 0.8);
        border: 1px solid rgba(255, 255, 255, 0.4);
    }
    
    /* Features Section Tablet Optimization */
    .features-section {
        padding: 40px 0;
    }
    
    .feature-item {
        flex-direction: column !important;
        margin-bottom: 30px;
        border-radius: 15px;
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
        width: 100%;
        max-width: 100%;
    }
    
    .feature-item:nth-child(even) {
        flex-direction: column !important;
    }
    
    .feature-image {
        flex: none !important;
        width: 100% !important;
        height: 220px;
        border-radius: 0;
        overflow: hidden;
        margin: 0;
        padding: 0;
    }
    
    .feature-image img {
        width: 100% !important;
        height: 100% !important;
        object-fit: cover;
        border-radius: 0;
        display: block;
    }
    
    .feature-content {
        padding: 30px 25px;
        text-align: center;
    }
    
    .feature-title {
        font-size: 1.6rem;
        text-align: center;
        margin-bottom: 15px;
    }
    
    .feature-title::after {
        left: 50%;
        transform: translateX(-50%);
        width: 50px;
    }
    
    .feature-description {
        font-size: 1.05rem;
        text-align: center;
        line-height: 1.6;
    }
}

@media (max-width: 576px) {
    /* 超小屏幕导航栏优化 */
    .navbar .container {
        padding: 0 8px;
    }
    
    .navbar-brand.d-lg-none .logo-img {
        width: 60px;
        height: 40px;
    }
    
    .navbar-toggler {
        padding: 2px 5px;
        margin-right: auto;
        border: 1px solid rgba(255, 255, 255, 0.3);
        border-radius: 5px;
    }
    
    .navbar-toggler:focus {
        box-shadow: 0 0 0 0.2rem rgba(255, 255, 255, 0.25);
    }
    
    .navbar-collapse.d-lg-none {
        margin-top: 6px;
        padding: 10px;
        background: rgba(0, 0, 0, 0.95);
        border-radius: 10px;
        backdrop-filter: blur(15px);
        border: 1px solid rgba(255, 255, 255, 0.2);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    }
    
    .navbar-collapse.d-lg-none .nav-link {
        padding: 8px 12px !important;
        font-size: 0.85rem;
        color: white !important;
        font-weight: 500;
        border-radius: 5px;
        margin: 2px 0;
        transition: all 0.3s ease;
    }
    
    .navbar-collapse.d-lg-none .nav-link:hover {
        background: rgba(255, 255, 255, 0.1);
        color: white !important;
    }
    
    /* Ensure navbar has enough space for language switcher */
    .navbar {
        padding-right: 0;
    }
    
    .main-content {
        padding: 0 20px;
    }
    
    .main-title {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .description-text {
        font-size: 0.95rem;
        margin-bottom: 1.5rem;
    }
    
    /* Mobile language switcher inside navbar */
    .language-switcher.d-lg-none {
        position: relative;
        top: auto;
        right: auto;
        z-index: 10000;
        margin-left: auto;
        margin-right: 0;
        margin-top: 15px;
        width: 100%;
        display: flex;
        justify-content: center;
    }
    
    .language-switcher.d-lg-none .language-btn {
        padding: 8px 16px;
        font-size: 0.9rem;
        min-width: 120px;
        background: rgba(255, 255, 255, 0.15);
        border: 1px solid rgba(255, 255, 255, 0.4);
        color: white;
        border-radius: 8px;
        transition: all 0.3s ease;
        font-weight: 500;
    }
    
    .language-switcher.d-lg-none .language-btn:hover {
        background: rgba(255, 255, 255, 0.25);
        border-color: rgba(255, 255, 255, 0.6);
        transform: translateY(-1px);
    }
    
    .language-switcher.d-lg-none .language-menu {
        position: absolute;
        top: 100%;
        left: 50%;
        transform: translateX(-50%);
        background: rgba(0, 0, 0, 0.95);
        border: 1px solid rgba(255, 255, 255, 0.2);
        border-radius: 8px;
        backdrop-filter: blur(15px);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
        min-width: 120px;
        margin-top: 5px;
    }
    
    .language-menu {
        min-width: 100px;
    }
    
    .language-option {
        padding: 8px 12px;
        font-size: 0.8rem;
    }
    
    .features-section {
        padding: 30px 0;
    }
    
    .features-section .container {
        padding-left: 15px;
        padding-right: 15px;
        max-width: 100%;
    }
    
    .feature-item {
        flex-direction: column !important;
        margin-bottom: 25px;
        border-radius: 12px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
        overflow: hidden;
        width: 100%;
        max-width: 100%;
    }
    
    .feature-item:nth-child(even) {
        flex-direction: column !important;
    }
    
    .feature-image {
        flex: none !important;
        width: 100% !important;
        height: 200px;
        border-radius: 0;
        overflow: hidden;
        margin: 0;
        padding: 0;
    }
    
    .feature-image img {
        width: 100% !important;
        height: 100% !important;
        object-fit: cover;
        border-radius: 0;
        display: block;
    }
    
    .feature-content {
        padding: 25px 20px;
        text-align: center;
        background: white;
    }
    
    .feature-title {
        font-size: 1.5rem;
        text-align: center;
        margin-bottom: 15px;
        color: #2c3e50;
        font-weight: 600;
    }
    
    .feature-title::after {
        left: 50%;
        transform: translateX(-50%);
        width: 40px;
        height: 3px;
        background: linear-gradient(90deg, #4a90e2, #50c878);
    }
    
    .feature-description {
        font-size: 1rem;
        text-align: center;
        line-height: 1.6;
        color: #5a6c7d;
        margin-bottom: 0;
    }
    
    /* Vision Section Mobile */
    .vision-section {
        padding: 50px 0;
    }
    
    .vision-title {
        font-size: 2rem;
    }
    
    .vision-subtitle {
        font-size: 1rem;
    }
    
    .vision-item {
        flex-direction: column;
        text-align: center;
        padding: 20px;
        gap: 20px;
    }
    
    .vision-image {
        flex: none;
        width: 100%;
        height: 180px;
    }
    
    .vision-item-title {
        font-size: 1.3rem;
    }
    
    .vision-item-description {
        font-size: 0.9rem;
    }
    
    /* Team Section Mobile */
    .team-section {
        padding: 50px 0;
    }
    
    .team-title {
        font-size: 2rem;
    }
    
    .team-subtitle {
        font-size: 1rem;
    }
    
    .team-image {
        height: 200px;
    }
    
    .team-info {
        padding: 20px;
    }
    
    .team-name {
        font-size: 1.2rem;
    }
    
    .team-description {
        font-size: 0.9rem;
    }
    
    /* Partners Section Mobile */
    .partners-section {
        padding: 50px 0;
    }
    
    .partners-title {
        font-size: 2rem;
    }
    
    .partners-subtitle {
        font-size: 1rem;
    }
    
    .partner-item {
        flex-direction: column;
        text-align: center;
        padding: 20px;
    }
    
    .partner-image {
        flex: none;
        width: 100%;
        height: 180px;
        margin-right: 0;
        margin-bottom: 20px;
    }
    
    .partner-name {
        font-size: 1.4rem;
    }
    
    .partner-description {
        font-size: 0.9rem;
    }
    
    /* Services Section Mobile */
    .services-section {
        padding: 50px 0;
    }
    
    .services-title {
        font-size: 2rem;
    }
    
    .services-subtitle {
        font-size: 1rem;
    }
    
    .service-item {
        flex-direction: column;
        text-align: center;
        padding: 25px;
        margin-bottom: 40px;
    }
    
    .service-image {
        flex: none;
        width: 100%;
        height: 180px;
        margin-right: 0;
        margin-bottom: 25px;
    }
    
    .service-name {
        font-size: 1.5rem;
    }
    
    .service-description {
        font-size: 1rem;
    }
    
    /* Contact Section Mobile */
    .contact-section {
        padding: 50px 0;
    }
    
    .contact-title {
        font-size: 2rem;
    }
    
    .contact-subtitle {
        font-size: 1rem;
    }
    
    .contact-form {
        padding: 0;
    }
    
    .form-control {
        padding: 10px 14px;
        font-size: 0.9rem;
    }
    
    .contact-btn {
        padding: 12px 30px;
        font-size: 0.9rem;
    }
}

/* Animation Effects */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}



/* Feature items hover effects */
.feature-item {
    transition: all 0.4s ease;
}

.feature-item:hover {
    transform: translateY(-8px);
}

/* Features Section */
.features-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    padding: 60px 0;
    position: relative;
    z-index: 1;
}

.feature-item {
    display: flex;
    align-items: center;
    margin-bottom: 50px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.06);
    overflow: hidden;
    transition: all 0.4s ease;
    position: relative;
}

.feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.05) 0%, rgba(80, 200, 120, 0.05) 100%);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 0;
}

.feature-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.feature-item:hover::before {
    opacity: 1;
}

.feature-item:nth-child(even) {
    flex-direction: row-reverse;
}

.feature-item:nth-child(even)::before {
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.05) 0%, rgba(255, 87, 34, 0.05) 100%);
}

.feature-image {
    flex: 0 0 350px;
    height: 220px;
    overflow: hidden;
    position: relative;
    border-radius: 0;
}

.feature-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    border-radius: 0;
}

.feature-item:hover .feature-image img {
    transform: scale(1.05);
}

.feature-content {
    flex: 1;
    padding: 35px;
    position: relative;
    z-index: 1;
}

.feature-title {
    color: #2c3e50;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 15px;
    line-height: 1.2;
    position: relative;
}

.feature-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, #4a90e2, #50c878);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.feature-item:hover .feature-title::after {
    width: 80px;
}

.feature-description {
    color: #5a6c7d;
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 0;
    font-weight: 400;
}

/* Vision Section */
.vision-section {
    background: #f5f5f5;
    padding: 80px 0;
    position: relative;
    z-index: 1;
}

.vision-header {
    margin-bottom: 60px;
}

.vision-title {
    color: #2c3e50;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.vision-subtitle {
    color: #666;
    font-size: 1.2rem;
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

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

.vision-item {
    background: white;
    border-radius: 15px;
    margin-bottom: 30px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 30px;
}

.vision-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.vision-image {
    flex: 0 0 200px;
    height: 150px;
    border-radius: 10px;
    overflow: hidden;
}

.vision-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.vision-item:hover .vision-image img {
    transform: scale(1.05);
}

.vision-text {
    flex: 1;
}

.vision-item-title {
    color: #2c3e50;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    line-height: 1.3;
}

.vision-item-description {
    color: #666;
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

.vision-btn {
    background: #2c3e50;
    border: none;
    color: white;
    padding: 10px 25px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.vision-btn:hover {
    background: #34495e;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(44, 62, 80, 0.3);
}

/* Team Section */
.team-section {
    background: white;
    padding: 80px 0;
    position: relative;
    z-index: 1;
}

.team-header {
    margin-bottom: 60px;
}

.team-title {
    color: #2c3e50;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.team-subtitle {
    color: #666;
    font-size: 1.2rem;
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

.team-content {
    max-width: 1200px;
    margin: 0 auto;
}

.team-card {
    background: white;
    border-radius: 15px;
    padding: 0;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.team-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
}

.team-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
    position: relative;
}

.team-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.team-info {
    padding: 30px;
    flex: 1;
    display: flex;
    flex-direction: column;
    text-align: center;
}

.team-name {
    color: #2c3e50;
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 15px;
    line-height: 1.3;
}

.team-description {
    color: #666;
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 25px;
    flex: 1;
}

.team-btn {
    background: #2c3e50;
    border: none;
    color: white;
    padding: 12px 30px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    margin-top: auto;
}

.team-btn:hover {
    background: #34495e;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(44, 62, 80, 0.3);
}

/* Partners Section */
.partners-section {
    background: #2c3e50;
    padding: 80px 0;
    position: relative;
    z-index: 1;
}

.partners-header {
    margin-bottom: 60px;
}

.partners-title {
    color: white;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.partners-subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.2rem;
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

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

.partner-item {
    display: flex;
    align-items: center;
    margin-bottom: 50px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 30px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.partner-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
}

.partner-image {
    flex: 0 0 300px;
    height: 200px;
    border-radius: 10px;
    overflow: hidden;
    margin-right: 30px;
}

.partner-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.partner-item:hover .partner-image img {
    transform: scale(1.05);
}

.partner-info {
    flex: 1;
    color: white;
}

.partner-name {
    color: white;
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: 10px;
    line-height: 1.3;
}

.partner-date {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin-bottom: 15px;
    font-weight: 500;
}

.partner-description {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

.partner-link {
    color: white;
    text-decoration: underline;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.partner-link:hover {
    color: #3498db;
    text-decoration: none;
}

.partner-details {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-top: 15px;
    font-style: italic;
}

/* Services Section */
.services-section {
    background: white;
    padding: 80px 0;
    position: relative;
    z-index: 1;
}

.services-header {
    margin-bottom: 60px;
}

.services-title {
    color: #2c3e50;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.services-subtitle {
    color: #666;
    font-size: 1.2rem;
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

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

.service-item {
    display: flex;
    align-items: center;
    margin-bottom: 60px;
    background: white;
    border-radius: 15px;
    padding: 40px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.service-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
}

.service-image {
    flex: 0 0 300px;
    height: 200px;
    border-radius: 10px;
    overflow: hidden;
    margin-right: 40px;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.service-item:hover .service-image img {
    transform: scale(1.05);
}

.service-info {
    flex: 1;
}

.service-name {
    color: #2c3e50;
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 20px;
    line-height: 1.3;
}

.service-description {
    color: #666;
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 25px;
}

.service-btn {
    background: #2c3e50;
    border: none;
    color: white;
    padding: 12px 30px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.service-btn:hover {
    background: #34495e;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(44, 62, 80, 0.3);
}

/* Contact Section */
.contact-section {
    background: #f8f9fa;
    padding: 80px 0;
    position: relative;
    z-index: 1;
}

.contact-header {
    margin-bottom: 60px;
}

.contact-title {
    color: #2c3e50;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.contact-subtitle {
    color: #666;
    font-size: 1.2rem;
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

.contact-form {
    background: transparent;
    padding: 0;
    border-radius: 0;
    box-shadow: none;
}

.form-group {
    margin-bottom: 25px;
}

.form-label {
    color: #2c3e50;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
    display: block;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 1rem;
    line-height: 1.5;
    color: #495057;
    background-color: white;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: #2c3e50;
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(44, 62, 80, 0.25);
}

.form-control::placeholder {
    color: #6c757d;
    opacity: 1;
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.contact-btn {
    background: #2c3e50;
    border: none;
    color: white;
    padding: 15px 40px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    min-width: 120px;
}

.contact-btn:hover {
    background: #34495e;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(44, 62, 80, 0.3);
}

.contact-btn:active {
    transform: translateY(0);
}

/* Footer */
.footer {
    background: #2c3e50;
    padding: 30px 0;
    position: relative;
    z-index: 1;
}

.footer-text {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    margin: 0;
    font-weight: 400;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}

/* Vision Modal Styles */
#visionModal .modal-content {
    border: none;
    border-radius: 15px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
}

#visionModal .modal-header {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    border-radius: 15px 15px 0 0;
    padding: 25px 30px;
    border-bottom: none;
}

#visionModal .modal-title {
    font-size: 1.4rem;
    font-weight: 600;
    line-height: 1.4;
    margin: 0;
    color: white;
}

#visionModal .btn-close {
    filter: invert(1);
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

#visionModal .btn-close:hover {
    opacity: 1;
}

#visionModal .modal-body {
    padding: 30px;
    max-height: 70vh;
    overflow-y: auto;
}

#visionModal .vision-content {
    line-height: 1.8;
    color: #2c3e50;
}

#visionModal .vision-content p {
    margin-bottom: 20px;
    font-size: 1rem;
    text-align: justify;
    text-indent: 2em;
}

#visionModal .vision-content p:last-child {
    margin-bottom: 0;
}

#visionModal .vision-conclusion {
    margin-top: 25px;
    text-indent: 0;
    font-size: 1.05rem;
    color: #2c3e50;
}

#visionModal .modal-footer {
    background: #f8f9fa;
    border-top: 1px solid #e9ecef;
    border-radius: 0 0 15px 15px;
    padding: 20px 30px;
}

#visionModal .btn-secondary {
    background: #6c757d;
    border: none;
    padding: 10px 25px;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
}

#visionModal .btn-secondary:hover {
    background: #5a6268;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(108, 117, 125, 0.3);
}

/* Innovation Investment Modal Styles */
#innovationModal .modal-content {
    border: none;
    border-radius: 15px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
}

#innovationModal .modal-header {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    border-radius: 15px 15px 0 0;
    padding: 25px 30px;
    border-bottom: none;
}

#innovationModal .modal-title {
    font-size: 1.4rem;
    font-weight: 600;
    line-height: 1.4;
    margin: 0;
    color: white;
}

#innovationModal .btn-close {
    filter: invert(1);
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

#innovationModal .btn-close:hover {
    opacity: 1;
}

#innovationModal .modal-body {
    padding: 30px;
    max-height: 70vh;
    overflow-y: auto;
}

#innovationModal .innovation-content {
    line-height: 1.8;
    color: #2c3e50;
}

#innovationModal .innovation-content p {
    margin-bottom: 20px;
    font-size: 1rem;
    text-align: justify;
    text-indent: 2em;
}

#innovationModal .innovation-content p:last-child {
    margin-bottom: 0;
}

#innovationModal .innovation-conclusion {
    margin-top: 25px;
    text-indent: 0;
    font-size: 1.05rem;
    color: #2c3e50;
}

#innovationModal .modal-footer {
    background: #f8f9fa;
    border-top: 1px solid #e9ecef;
    border-radius: 0 0 15px 15px;
    padding: 20px 30px;
}

#innovationModal .btn-secondary {
    background: #6c757d;
    border: none;
    padding: 10px 25px;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
}

#innovationModal .btn-secondary:hover {
    background: #5a6268;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(108, 117, 125, 0.3);
}

/* Social Responsibility Modal Styles */
#responsibilityModal .modal-content {
    border: none;
    border-radius: 15px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
}

#responsibilityModal .modal-header {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    border-radius: 15px 15px 0 0;
    padding: 25px 30px;
    border-bottom: none;
}

#responsibilityModal .modal-title {
    font-size: 1.4rem;
    font-weight: 600;
    line-height: 1.4;
    margin: 0;
    color: white;
}

#responsibilityModal .btn-close {
    filter: invert(1);
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

#responsibilityModal .btn-close:hover {
    opacity: 1;
}

#responsibilityModal .modal-body {
    padding: 30px;
    max-height: 70vh;
    overflow-y: auto;
}

#responsibilityModal .responsibility-content {
    line-height: 1.8;
    color: #2c3e50;
}

#responsibilityModal .responsibility-content p {
    margin-bottom: 20px;
    font-size: 1rem;
    text-align: justify;
    text-indent: 2em;
}

#responsibilityModal .responsibility-content p:last-child {
    margin-bottom: 0;
}

#responsibilityModal .responsibility-conclusion {
    margin-top: 25px;
    text-indent: 0;
    font-size: 1.05rem;
    color: #2c3e50;
}

#responsibilityModal .modal-footer {
    background: #f8f9fa;
    border-top: 1px solid #e9ecef;
    border-radius: 0 0 15px 15px;
    padding: 20px 30px;
}

#responsibilityModal .btn-secondary {
    background: #6c757d;
    border: none;
    padding: 10px 25px;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
}

#responsibilityModal .btn-secondary:hover {
    background: #5a6268;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(108, 117, 125, 0.3);
}

/* Modal backdrop */
.modal-backdrop {
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
}

/* Responsive modal styles */
@media (max-width: 768px) {
    #visionModal .modal-dialog {
        margin: 10px;
        max-width: calc(100% - 20px);
    }
    
    #visionModal .modal-header {
        padding: 20px;
    }
    
    #visionModal .modal-title {
        font-size: 1.2rem;
    }
    
    #visionModal .modal-body {
        padding: 20px;
        max-height: 60vh;
    }
    
    #visionModal .vision-content p {
        font-size: 0.95rem;
        text-indent: 1.5em;
    }
    
    #visionModal .vision-conclusion {
        font-size: 1rem;
    }
    
    #visionModal .modal-footer {
        padding: 15px 20px;
    }
    
    /* Innovation Investment Modal Mobile */
    #innovationModal .modal-dialog {
        margin: 10px;
        max-width: calc(100% - 20px);
    }
    
    #innovationModal .modal-header {
        padding: 20px;
    }
    
    #innovationModal .modal-title {
        font-size: 1.2rem;
    }
    
    #innovationModal .modal-body {
        padding: 20px;
        max-height: 60vh;
    }
    
    #innovationModal .innovation-content p {
        font-size: 0.95rem;
        text-indent: 1.5em;
    }
    
    #innovationModal .innovation-conclusion {
        font-size: 1rem;
    }
    
    #innovationModal .modal-footer {
        padding: 15px 20px;
    }
}

@media (max-width: 576px) {
    #visionModal .modal-dialog {
        margin: 5px;
        max-width: calc(100% - 10px);
    }
    
    #visionModal .modal-header {
        padding: 15px;
    }
    
    #visionModal .modal-title {
        font-size: 1.1rem;
    }
    
    #visionModal .modal-body {
        padding: 15px;
        max-height: 50vh;
    }
    
    #visionModal .vision-content p {
        font-size: 0.9rem;
        text-indent: 1em;
    }
    
    #visionModal .vision-conclusion {
        font-size: 0.95rem;
    }
    
    /* Social Responsibility Modal Mobile */
    #responsibilityModal .modal-dialog {
        margin: 10px;
        max-width: calc(100% - 20px);
    }
    
    #responsibilityModal .modal-header {
        padding: 20px;
    }
    
    #responsibilityModal .modal-title {
        font-size: 1.2rem;
    }
    
    #responsibilityModal .modal-body {
        padding: 20px;
        max-height: 60vh;
    }
    
    #responsibilityModal .responsibility-content p {
        font-size: 0.95rem;
        text-indent: 1.5em;
    }
    
    #responsibilityModal .responsibility-conclusion {
        font-size: 1rem;
    }
    
    #responsibilityModal .modal-footer {
        padding: 15px 20px;
    }
}

@media (max-width: 576px) {
    #visionModal .modal-dialog {
        margin: 5px;
        max-width: calc(100% - 10px);
    }
    
    #visionModal .modal-header {
        padding: 15px;
    }
    
    #visionModal .modal-title {
        font-size: 1.1rem;
    }
    
    #visionModal .modal-body {
        padding: 15px;
        max-height: 50vh;
    }
    
    #visionModal .vision-content p {
        font-size: 0.9rem;
        text-indent: 1em;
    }
    
    #visionModal .vision-conclusion {
        font-size: 0.95rem;
    }
    
    /* Innovation Investment Modal Small Mobile */
    #innovationModal .modal-dialog {
        margin: 5px;
        max-width: calc(100% - 10px);
    }
    
    #innovationModal .modal-header {
        padding: 15px;
    }
    
    #innovationModal .modal-title {
        font-size: 1.1rem;
    }
    
    #innovationModal .modal-body {
        padding: 15px;
        max-height: 50vh;
    }
    
    #innovationModal .innovation-content p {
        font-size: 0.9rem;
        text-indent: 1em;
    }
    
    #innovationModal .innovation-conclusion {
        font-size: 0.95rem;
    }
    
    /* Social Responsibility Modal Small Mobile */
    #responsibilityModal .modal-dialog {
        margin: 5px;
        max-width: calc(100% - 10px);
    }
    
    #responsibilityModal .modal-header {
        padding: 15px;
    }
    
    #responsibilityModal .modal-title {
        font-size: 1.1rem;
    }
    
    #responsibilityModal .modal-body {
        padding: 15px;
        max-height: 50vh;
    }
    
    #responsibilityModal .responsibility-content p {
        font-size: 0.9rem;
        text-indent: 1em;
    }
    
    #responsibilityModal .responsibility-conclusion {
        font-size: 0.95rem;
    }
}
