* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    font-size: 20px;
    font-weight: bold;
    color: #333;
}

.nav ul {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav a {
    text-decoration: none;
    color: #333;
    font-size: 14px;
    transition: color 0.3s;
}

.nav a:hover {
    color: #e83a30;
}

.header-right {
    display: flex;
    gap: 15px;
}

.btn-login {
    text-decoration: none;
    color: #333;
    font-size: 14px;
    padding: 8px 16px;
}

.btn-register {
    text-decoration: none;
    background: linear-gradient(135deg, #e83a30, #d62d2d);
    color: #fff;
    font-size: 14px;
    padding: 8px 20px;
    border-radius: 20px;
    transition: transform 0.3s;
}

.btn-register:hover {
    transform: scale(1.05);
}

/* Hero Section */
.hero {
    padding: 60px 0 40px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #4a69bd 0%, #5f27cd 50%, #6c5ce7 100%);
}

.hero-bg {
    display: none;
}

.hero-container {
    position: relative;
    z-index: 1;
}

.hero-content {
    text-align: center;
    padding: 40px 0;
}

.hero-content h1 {
    font-size: 42px;
    color: #fff;
    margin-bottom: 15px;
    font-weight: bold;
}

.hero-content p {
    font-size: 20px;
    color: rgba(255,255,255,0.8);
    margin-bottom: 30px;
}

.btn-primary {
    display: inline-block;
    background: linear-gradient(135deg, #e83a30, #d62d2d);
    color: #fff;
    text-decoration: none;
    padding: 14px 35px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(232, 58, 48, 0.4);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 80px;
    padding: 30px 0;
    border-top: 1px solid rgba(255,255,255,0.2);
    margin-top: 30px;
}

.stat-item {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 36px;
    font-weight: bold;
    color: #fff;
}

.stat-label {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
}

.carousel-section {
    width: 100%;
    position: relative;
    padding-top: 60px;
    overflow: hidden;
}

.hero-carousel {
    width: 100%;
}

.carousel-wrapper {
    position: relative;
    overflow: hidden;
    width: 100%;
}

.carousel-slides {
    display: flex;
    transition: transform 0.5s ease-in-out;
    transform: translateX(0);
}

.carousel-slide {
    width: 100vw;
    flex-shrink: 0;
    height: 400px;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

.carousel-prev,
.carousel-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0,0,0,0.5);
    color: #fff;
    border: none;
    padding: 12px 18px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 20px;
    z-index: 10;
    transition: all 0.3s;
}

.carousel-prev:hover,
.carousel-next:hover {
    background: rgba(232, 58, 48, 0.8);
    transform: translateY(-50%) scale(1.1);
}

.carousel-prev {
    left: 20px;
}

.carousel-next {
    right: 20px;
}

.carousel-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
}

.dot {
    width: 14px;
    height: 14px;
    background: rgba(255,255,255,0.5);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s;
}

.dot.active,
.dot:hover {
    background: #fff;
    transform: scale(1.3);
}

.floating-card {
    background: #fff;
    color: #333;
    padding: 20px 30px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    display: inline-flex;
    align-items: center;
    gap: 15px;
    position: absolute;
    top: -20px;
    right: 10%;
}

.floating-card .card-icon {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, #e83a30, #d62d2d);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 22px;
    font-weight: bold;
}

.floating-card p {
    font-size: 14px;
    font-weight: 600;
    margin: 0;
    color: #333;
}

/* Product Showcase */
.product-showcase {
    padding: 80px 0;
    background: #1a1a2e;
}

.showcase-content {
    display: flex;
    align-items: center;
    gap: 60px;
}

.showcase-image {
    flex: 1;
}

.showcase-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.4);
    transform: scale(1.3) translateX(-18%);
    transform-origin: left center;
}

.showcase-info {
    flex: 1;
    color: #fff;
}

.showcase-info h2 {
    font-size: 32px;
    margin-bottom: 40px;
    font-weight: bold;
}

.feature-list {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 40px;
}

.feature-item {
    text-align: center;
    flex: 1;
    min-width: 100px;
}

.feature-num {
    display: block;
    font-size: 28px;
    font-weight: bold;
    color: #e83a30;
    margin-bottom: 8px;
}

.feature-desc {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
}

.btn-secondary {
    display: inline-block;
    background: transparent;
    color: #fff;
    text-decoration: none;
    padding: 12px 30px;
    border-radius: 30px;
    font-size: 14px;
    border: 2px solid #fff;
    transition: all 0.3s;
}

.btn-secondary:hover {
    background: #fff;
    color: #333;
}

/* Core Features */
.core-features {
    padding: 80px 0;
    background: #fff;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 32px;
    font-weight: bold;
    color: #333;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.feature-card {
    background: #fff;
    padding: 35px 25px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.15);
}

.card-icon-wrap {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: #f5f5f5;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-icon-wrap img {
    width: 45px;
    height: 45px;
    object-fit: contain;
}

.feature-card h3 {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 12px;
    color: #333;
}

.feature-card p {
    font-size: 13px;
    color: #666;
    line-height: 1.6;
}

/* Solutions */
.solutions {
    padding: 80px 0;
    background: #f8f9fa;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.solution-card {
    padding: 30px 20px;
    border-radius: 12px;
    color: #fff;
    text-align: center;
    transition: transform 0.3s;
}

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

.solution-card img {
    width: 50px;
    height: 50px;
    margin-bottom: 15px;
    filter: brightness(0) invert(1);
}

.solution-card h3 {
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 8px;
}

.solution-card p {
    font-size: 12px;
    opacity: 0.9;
}

.card-red { background: linear-gradient(135deg, #e83a30, #c0392b); }
.card-blue { background: linear-gradient(135deg, #3498db, #2980b9); }
.card-cyan { background: linear-gradient(135deg, #1abc9c, #16a085); }
.card-green { background: linear-gradient(135deg, #27ae60, #2ecc71); }
.card-orange { background: linear-gradient(135deg, #e67e22, #d35400); }
.card-purple { background: linear-gradient(135deg, #9b59b6, #8e44ad); }
.card-yellow { background: linear-gradient(135deg, #f1c40f, #f39c12); }
.card-dark { background: linear-gradient(135deg, #2c3e50, #34495e); }

/* Tech Advantage */
.tech-advantage {
    padding: 80px 0;
    background: #1a1a2e;
}

.tech-advantage .section-header h2 {
    color: #fff;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.tech-card {
    background: rgba(255,255,255,0.08);
    padding: 40px 25px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s;
}

.tech-card:hover {
    background: rgba(255,255,255,0.12);
    transform: translateY(-5px);
}

.tech-card img {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    object-fit: contain;
}

.tech-card-large img {
    width: 100px;
    height: 100px;
}

.tech-card h3 {
    font-size: 18px;
    font-weight: bold;
    color: #fff;
    margin-bottom: 10px;
}

.tech-card p {
    font-size: 13px;
    color: rgba(255,255,255,0.6);
}

/* Service Guarantee */
.service-guarantee {
    padding: 80px 0;
    background: #fff;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 20px;
}

.service-item {
    text-align: center;
}

.service-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #e83a30, #d62d2d);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 18px;
    font-weight: bold;
    margin: 0 auto 12px;
}

.service-item span {
    font-size: 13px;
    color: #666;
}

/* Payment News */
.payment-news {
    padding: 80px 0;
    background: #f8f9fa;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.news-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.news-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s;
}

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

.news-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.news-content {
    padding: 20px;
}

.news-content h3 {
    font-size: 16px;
    font-weight: bold;
    color: #333;
    margin-bottom: 10px;
}

.news-content p {
    font-size: 13px;
    color: #666;
    line-height: 1.6;
}

/* Partners */
.partners {
    padding: 80px 0;
    background: #fff;
}

.partners-grid {
    display: flex;
    justify-content: center;
    align-items: center;
}

.partner-item {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 25px;
}

.partners-full-image {
    width: 100%;
    height: auto;
    max-width: none;
    display: block;
    background: #f5f5f5;
    border-radius: 8px;
    font-size: 14px;
    color: #666;
    transition: all 0.3s;
}

.partner-item:hover {
    background: #e83a30;
    color: #fff;
}

.partner-item img {
    max-width: 80px;
    max-height: 40px;
    object-fit: contain;
}

/* Contact Section */
.contact-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #e83a30, #c0392b);
    text-align: center;
}

.contact-content h2 {
    font-size: 28px;
    color: #fff;
    margin-bottom: 10px;
}

.contact-content p {
    font-size: 16px;
    color: rgba(255,255,255,0.8);
    margin-bottom: 30px;
}

.contact-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.btn-outline {
    display: inline-block;
    background: transparent;
    color: #fff;
    text-decoration: none;
    padding: 14px 35px;
    border-radius: 30px;
    font-size: 16px;
    border: 2px solid #fff;
    transition: all 0.3s;
}

.btn-outline:hover {
    background: #fff;
    color: #e83a30;
}

/* Footer */
.footer {
    padding: 60px 0;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #fff;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand {
    flex: 1;
    max-width: 280px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.footer-logo-img {
    height: 42px;
    width: auto;
    object-fit: contain;
}

.footer-logo-text {
    font-size: 22px;
    font-weight: bold;
    color: #fff;
}

.footer-brand p {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    line-height: 1.7;
}

.footer-links {
    display: flex;
    gap: 80px;
}

.footer-column {
    min-width: 120px;
}

.footer-column h4 {
    font-size: 16px;
    font-weight: bold;
    color: #fff;
    margin-bottom: 22px;
    position: relative;
    padding-bottom: 10px;
}

.footer-column h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: linear-gradient(90deg, #e83a30, #ff6b6b);
    border-radius: 2px;
}

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

.footer-column li {
    margin-bottom: 14px;
}

.footer-column a {
    text-decoration: none;
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.footer-column a:hover {
    color: #e83a30;
    padding-left: 5px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255,255,255,0.5);
}

.footer-copyright-links {
    display: flex;
    gap: 25px;
}

.footer-copyright-links a {
    text-decoration: none;
    font-size: 13px;
    color: rgba(255,255,255,0.5);
    transition: color 0.3s;
}

.footer-copyright-links a:hover {
    color: #e83a30;
}

.footer-contact {
    margin-top: 20px;
}

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    color: rgba(255,255,255,0.7);
    font-size: 14px;
}

.footer-contact-item i {
    color: #e83a30;
}

/* Responsive */
@media (max-width: 992px) {
    .hero-content h1 {
        font-size: 32px;
    }
    
    .hero-stats {
        gap: 40px;
    }
    
    .stat-value {
        font-size: 28px;
    }
    
    .showcase-content {
        flex-direction: column;
        text-align: center;
    }
    
    .features-grid,
    .solutions-grid,
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .service-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .partners-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .nav {
        display: none;
    }
    
    .btn-login {
        display: none;
    }
}

@media (max-width: 768px) {
    .header .container {
        padding: 12px 15px;
    }
    
    .logo-text {
        font-size: 18px;
    }
    
    .btn-register {
        padding: 6px 15px;
        font-size: 12px;
    }
    
    .carousel-section {
        padding-top: 55px;
    }
    
    .carousel-prev,
    .carousel-next {
        padding: 8px 12px;
        font-size: 16px;
    }
    
    .carousel-prev {
        left: 10px;
    }
    
    .carousel-next {
        right: 10px;
    }
    
    .hero {
        padding: 40px 0 30px;
    }
    
    .hero-content h1 {
        font-size: 24px;
    }
    
    .hero-content p {
        font-size: 14px;
    }
    
    .hero-content {
        padding: 20px 0;
    }
    
    .hero-stats {
        display: flex;
        flex-wrap: wrap;
        gap: 15px;
        justify-content: space-between;
    }
    
    .stat-item {
        width: calc(50% - 8px);
        text-align: center;
    }
    
    .stat-value {
        font-size: 24px;
    }
    
    .stat-label {
        font-size: 12px;
    }
    
    .section-header h2 {
        font-size: 22px;
    }
    
    .section-header p {
        font-size: 13px;
    }
    
    .showcase {
        padding: 50px 0;
    }
    
    .showcase-content {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    
    .showcase-text {
        order: 2;
    }
    
    .showcase-img {
        order: 1;
    }
    
    .showcase-text h3 {
        font-size: 18px;
    }
    
    .features,
    .solutions,
    .tech-advantage,
    .services,
    .news,
    .partners,
    .contact {
        padding: 50px 0;
    }
    
    .features-grid,
    .solutions-grid,
    .tech-grid,
    .news-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .feature-card,
    .solution-card,
    .tech-card {
        padding: 25px 20px;
    }
    
    .service-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .service-item {
        padding: 15px;
    }
    
    .service-icon {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }
    
    .service-item h4 {
        font-size: 13px;
    }
    
    .news-card {
        padding: 20px;
    }
    
    .news-card h4 {
        font-size: 14px;
    }
    
    .news-card p {
        font-size: 12px;
    }
    
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .partner-item {
        padding: 15px;
    }
    
    .contact-content {
        flex-direction: column;
        gap: 20px;
    }
    
    .contact-info,
    .contact-form {
        width: 100%;
    }
    
    .contact-form input,
    .contact-form textarea {
        padding: 12px 15px;
        font-size: 13px;
    }
    
    .btn-primary,
    .btn-outline {
        padding: 12px 25px;
        font-size: 14px;
    }
    
    .footer {
        padding: 40px 0;
    }
    
    .footer-top {
        flex-direction: column;
        gap: 30px;
    }
    
    .footer-links {
        flex-wrap: wrap;
        gap: 30px;
    }
    
    .footer-column {
        width: 45%;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .footer-copyright-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 20px;
    }
    
    .hero-content p {
        font-size: 13px;
    }
    
    .stat-item {
        width: 100%;
        text-align: center;
    }
    
    .hero-stats {
        gap: 15px;
    }
    
    .showcase-img img {
        width: 100%;
        height: auto;
    }
    
    .service-grid {
        grid-template-columns: 1fr;
    }
    
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-column {
        width: 100%;
    }
}