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

body {
    font-family: 'Arial', sans-serif;
    background: #0a0a0a;
    color: white;
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}

/* 确保所有文字都是白色 */
* {
    color: white;
}


/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.navbar {
    padding: 1rem 0;
}

.navbar-brand {
    text-decoration: none;
    color: white;
}

.logo-image {
    width: 50px;
    height: 50px;
    margin-right: 15px;
    object-fit: contain;
}

.company-name {
    font-size: 1.5rem;
    font-weight: 600;
    color: white;
}

.navbar-nav {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: white !important;
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #ffffff !important;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #ffffff;
    transition: width 0.3s ease;
}

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

/* Language Switcher */
.language-switcher {
    display: flex;
    gap: 10px;
    margin-left: 20px;
}

.lang-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

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

.lang-btn.active {
    background: #007bff;
    border-color: #007bff;
    color: white;
}

/* Main Content */
.main-content {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 100px;
    position: relative;
    z-index: 10;
    overflow: hidden;
}

/* Video Background */
.video-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -2;
}

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


/* Content Text */
.content-text {
    position: relative;
    z-index: 20;
}

.description {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #ffffff;
    line-height: 1.6;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

.main-title {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 2rem;
    color: #ffffff;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.8);
}

.contact-btn {
    background: #007bff;
    border: none;
    padding: 15px 40px;
    font-size: 1.2rem;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
}

.contact-btn:hover {
    background: #0056b3;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.4);
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar-nav {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .language-switcher {
        margin-left: 0;
        margin-top: 10px;
        justify-content: center;
    }
    
    .company-name {
        font-size: 1.2rem;
    }
    
    .main-title {
        font-size: 2rem;
    }
    
    .description {
        font-size: 1rem;
        padding: 0 1rem;
    }
    
    
    .contact-btn {
        padding: 12px 30px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .main-title {
        font-size: 1.5rem;
    }
    
    
    .logo-image {
        width: 40px;
        height: 40px;
    }
}

/* Services Section */
.services-section {
    background-image: url('image/background.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 80px 0;
    position: relative;
    z-index: 10;
    min-height: 100vh;
}

.content-block {
    display: flex;
    align-items: center;
    margin-bottom: 80px;
    gap: 40px;
}

.content-block:last-child {
    margin-bottom: 0;
}

.content-image {
    flex: 0 0 50%;
    max-width: 50%;
}

.block-image {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.block-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.content-text {
    flex: 0 0 45%;
    padding-left: 20px;
}

.block-title {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 20px;
    color: #ffffff;
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.5);
}

.block-description {
    font-size: 1.2rem;
    line-height: 1.8;
    color: #ffffff;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
    margin: 0;
}

/* Responsive Design for Services Section */
@media (max-width: 768px) {
    .services-section {
        padding: 60px 0;
    }
    
    .content-block {
        flex-direction: column;
        text-align: center;
        margin-bottom: 60px;
        gap: 30px;
    }
    
    .content-image {
        flex: none;
        max-width: 100%;
    }
    
    .content-text {
        flex: none;
        padding-left: 0;
    }
    
    .block-title {
        font-size: 2rem;
    }
    
    .block-description {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .content-block {
        margin-bottom: 40px;
        gap: 20px;
    }
    
    .block-title {
        font-size: 1.5rem;
    }
    
    .block-description {
        font-size: 0.9rem;
    }
}

/* Investment Services Section */
.investment-services-section {
    background: #f8f9fa;
    padding: 100px 0;
    position: relative;
    z-index: 10;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: 3rem;
    font-weight: bold;
    color: #333;
    margin-bottom: 20px;
    text-shadow: none;
}

.section-subtitle {
    font-size: 1.3rem;
    color: #666;
    margin: 0;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.service-block {
    display: flex;
    align-items: center;
    margin-bottom: 80px;
    gap: 60px;
}

.service-block:last-child {
    margin-bottom: 0;
}

.service-image {
    flex: 0 0 50%;
    max-width: 50%;
}

.service-img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-img:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.15);
}

.service-content {
    flex: 0 0 45%;
    padding-left: 20px;
}

.service-title {
    font-size: 2.2rem;
    font-weight: bold;
    margin-bottom: 20px;
    color: #333;
    text-shadow: none;
}

.service-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
    text-shadow: none;
    margin: 0;
}

/* Responsive Design for Investment Services Section */
@media (max-width: 768px) {
    .investment-services-section {
        padding: 80px 0;
    }
    
    .section-header {
        margin-bottom: 60px;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .section-subtitle {
        font-size: 1.1rem;
        padding: 0 20px;
    }
    
    .service-block {
        flex-direction: column;
        text-align: center;
        margin-bottom: 60px;
        gap: 30px;
    }
    
    .service-image {
        flex: none;
        max-width: 100%;
    }
    
    .service-content {
        flex: none;
        padding-left: 0;
    }
    
    .service-title {
        font-size: 1.8rem;
    }
    
    .service-description {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .investment-services-section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .service-block {
        margin-bottom: 50px;
        gap: 25px;
    }
    
    .service-title {
        font-size: 1.5rem;
    }
    
    .service-description {
        font-size: 0.9rem;
    }
}

/* Carousel Section */
.carousel-section {
    background: #1a1a1a;
    padding: 100px 0;
    position: relative;
    z-index: 10;
    overflow: hidden;
}

.carousel-container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0;
}

.carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: white;
    font-size: 2rem;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 100;
}

.carousel-nav:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-50%) scale(1.1);
}

.prev-nav {
    left: 0;
}

.next-nav {
    right: 0;
}

.carousel-slides {
    position: relative;
    height: 350px;
    overflow: hidden;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.carousel-slide.active {
    opacity: 1;
}

.slide-content {
    display: flex;
    align-items: center;
    height: 100%;
    gap: 60px;
    padding: 0 80px;
}

.slide-text {
    flex: 1;
    text-align: center;
    color: white;
}

.slide-title {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 30px;
    color: white;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

.slide-description {
    font-size: 1.3rem;
    line-height: 1.8;
    margin-bottom: 40px;
    color: white;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.slide-btn {
    background: #007bff;
    border: none;
    color: white;
    padding: 15px 40px;
    font-size: 1.2rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
}

.slide-btn:hover {
    background: #0056b3;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.4);
}

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

.slide-image {
    max-width: 100%;
    max-height: 500px;
    width: 100%;
    height: auto;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.carousel-pagination {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 40px;
}

.pagination-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

.pagination-dot.active {
    background: white;
    transform: scale(1.2);
}

.pagination-dot:hover {
    background: rgba(255, 255, 255, 0.6);
}

/* Responsive Design for Carousel */
@media (max-width: 768px) {
    .slide-content {
        padding: 0 60px;
    }
    
    .carousel-nav {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
    
    .prev-nav {
        left: 10px;
    }
    
    .next-nav {
        right: 10px;
    }
    
    .carousel-slides {
        height: 450px;
    }
    
    .slide-content {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }
    
    .slide-title {
        font-size: 2.5rem;
    }
    
    .slide-description {
        font-size: 1.1rem;
    }
    
    .slide-image {
        max-height: 400px;
    }
}

@media (max-width: 480px) {
    .slide-content {
        padding: 0 40px;
    }
    
    .carousel-nav {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .carousel-slides {
        height: 550px;
    }
    
    .slide-title {
        font-size: 2rem;
    }
    
    .slide-description {
        font-size: 1rem;
    }
    
    .slide-btn {
        padding: 12px 30px;
        font-size: 1rem;
    }
}

/* Customer Voice Section */
.customer-voice-section {
    background: #1e3a8a;
    padding: 100px 0;
    position: relative;
    z-index: 10;
}

.customer-voice-section .section-header {
    text-align: center;
    margin-bottom: 80px;
}

.customer-voice-section .section-title {
    font-size: 3rem;
    font-weight: bold;
    color: white;
    margin-bottom: 20px;
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.3);
}

.customer-voice-section .section-subtitle {
    font-size: 1.3rem;
    color: white;
    margin: 0;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.customer-blocks {
    display: flex;
    gap: 40px;
    justify-content: center;
    align-items: stretch;
}

.customer-block {
    flex: 1;
    max-width: 350px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.customer-block:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    background: rgba(255, 255, 255, 0.08);
}

.customer-image {
    margin-bottom: 25px;
    display: flex;
    justify-content: center;
}

.customer-img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease;
}

.customer-block:hover .customer-img {
    transform: scale(1.05);
}

.customer-content {
    color: white;
}

.customer-title {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 20px;
    color: white;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.customer-testimonial {
    font-size: 1.1rem;
    line-height: 1.8;
    color: white;
    font-style: italic;
    margin: 0;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.2);
}

/* Responsive Design for Customer Voice Section */
@media (max-width: 768px) {
    .customer-voice-section {
        padding: 80px 0;
    }
    
    .customer-voice-section .section-title {
        font-size: 2.5rem;
    }
    
    .customer-voice-section .section-subtitle {
        font-size: 1.1rem;
        padding: 0 20px;
    }
    
    .customer-blocks {
        flex-direction: column;
        gap: 30px;
        align-items: center;
    }
    
    .customer-block {
        max-width: 100%;
        width: 100%;
    }
    
    .customer-img {
        width: 100px;
        height: 100px;
    }
    
    .customer-title {
        font-size: 1.3rem;
    }
    
    .customer-testimonial {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .customer-voice-section {
        padding: 60px 0;
    }
    
    .customer-voice-section .section-title {
        font-size: 2rem;
    }
    
    .customer-voice-section .section-subtitle {
        font-size: 1rem;
    }
    
    .customer-block {
        padding: 25px;
    }
    
    .customer-img {
        width: 80px;
        height: 80px;
    }
    
    .customer-title {
        font-size: 1.2rem;
    }
    
    .customer-testimonial {
        font-size: 0.9rem;
    }
}

/* Contact Section */
.contact-section {
    background: #f8f9fa;
    padding: 40px 0;
    position: relative;
    z-index: 10;
}

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

.contact-title {
    font-size: 3rem;
    font-weight: bold;
    color: #333;
    margin-bottom: 20px;
    text-shadow: none;
}

.contact-subtitle {
    font-size: 1.3rem;
    color: #666;
    margin: 0;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.contact-form-container {
    max-width: 600px;
    margin: 0 auto;
}

.contact-form {
    background: transparent;
    padding: 0;
}

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

.form-input,
.form-textarea {
    width: 100%;
    padding: 15px 0;
    border: none;
    border-bottom: 2px solid #e9ecef;
    border-radius: 0;
    font-size: 1rem;
    color: #333;
    background: transparent;
    transition: border-color 0.3s ease;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: #007bff;
}

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

.submit-btn {
    width: 100%;
    background: #007bff;
    border: none;
    color: white;
    padding: 15px 40px;
    font-size: 1.2rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
}

.submit-btn:hover {
    background: #0056b3;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.4);
}

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

/* Footer */
.footer {
    background: #007bff;
    padding: 30px 0;
    text-align: center;
}

.footer-text {
    color: white;
    font-size: 1rem;
    margin: 0;
    font-weight: 500;
}

/* Responsive Design for Contact Section */
@media (max-width: 768px) {
    .contact-section {
        padding: 30px 0;
    }
    
    .contact-title {
        font-size: 2.5rem;
    }
    
    .contact-subtitle {
        font-size: 1.1rem;
        padding: 0 20px;
    }
    
    .contact-form {
        padding: 0;
    }
    
    .form-input,
    .form-textarea {
        padding: 12px 0;
        font-size: 0.9rem;
    }
    
    .submit-btn {
        padding: 12px 30px;
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .contact-section {
        padding: 25px 0;
    }
    
    .contact-title {
        font-size: 2rem;
    }
    
    .contact-subtitle {
        font-size: 1rem;
    }
    
    .contact-form {
        padding: 0;
    }
    
    .form-input,
    .form-textarea {
        padding: 10px 0;
        font-size: 0.9rem;
    }
    
    .submit-btn {
        padding: 10px 25px;
        font-size: 1rem;
    }
}