/* style.css */
:root {
    --primary: #FF6B35;
    --primary-dark: #E55A2B;
    --primary-light: #FFE8E0;
    --secondary: #1A1A2E;
    --secondary-light: #2D3047;
    --accent: #00D4AA;
    --accent-dark: #00B894;
    --light: #F8F9FA;
    --dark: #121212;
    --gray: #6C757D;
    --light-gray: #E9ECEF;
    --border-radius: 12px;
    --border-radius-lg: 20px;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    color: #333;
    line-height: 1.6;
    background-color: #fff;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    color: var(--secondary);
}

h1 {
    font-size: 48px;
    line-height: 1.2;
}

h2 {
    font-size: 36px;
    line-height: 1.3;
}

h3 {
    font-size: 24px;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.container-lg {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 16px;
    gap: 8px;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 107, 53, 0.3);
}

.btn-secondary {
    background-color: var(--secondary);
    color: white;
}

.btn-secondary:hover {
    background-color: #0F111A;
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background-color: rgba(255, 107, 53, 0.05);
    transform: translateY(-2px);
}

.btn-accent {
    background-color: var(--accent);
    color: white;
}

.btn-accent:hover {
    background-color: var(--accent-dark);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 18px;
    border-radius: 10px;
}

.btn-block {
    width: 100%;
}

/* Header */
header {
    background-color: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 18px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-img {
    height: 42px;
    width: auto;
}

.logo-text {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 24px;
    background: linear-gradient(90deg, var(--primary), var(--primary-dark));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--secondary);
    font-weight: 500;
    font-size: 16px;
    transition: var(--transition);
    position: relative;
    padding: 8px 0;
}

.nav-menu a:hover {
    color: var(--primary);
}

.nav-menu a.active {
    color: var(--primary);
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--primary);
    border-radius: 2px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--secondary);
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 100px 0 80px;
    background: linear-gradient(135deg, #fdf6f0 0%, #f8f9fa 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.08) 0%, rgba(255, 107, 53, 0) 70%);
    border-radius: 50%;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
}

.hero p {
    font-size: 18px;
    color: var(--gray);
    margin-bottom: 32px;
    max-width: 540px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 60px;
}

.stat-item h3 {
    font-size: 36px;
    color: var(--primary);
    margin-bottom: 5px;
}

.stat-item p {
    font-size: 16px;
    color: var(--gray);
    margin: 0;
}

.hero-image {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 50%;
    max-width: 600px;
    z-index: 1;
}

/* Sections */
.section {
    padding: 100px 0;
}

.section-sm {
    padding: 60px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 36px;
    margin-bottom: 16px;
}

.section-title p {
    font-size: 18px;
    color: var(--gray);
    max-width: 700px;
    margin: 0 auto;
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 40px 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--light-gray);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1), rgba(255, 107, 53, 0.05));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.feature-icon i {
    font-size: 36px;
    color: var(--primary);
}

/* Solutions */
.solutions {
    background-color: #f8f9fa;
}

.solution-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 10px;
}

.tab-btn {
    padding: 12px 28px;
    background: white;
    border: 1px solid var(--light-gray);
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn.active {
    background-color: var(--primary);
    color: white;
    border-color: var(--primary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.solution-steps {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    margin-top: 40px;
}

.step {
    flex: 1;
    background: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
}

.step-number {
    width: 50px;
    height: 50px;
    background-color: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 20px;
    margin: 0 auto 20px;
}

/* Tokens */
.tokens-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.token-card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--light-gray);
    transition: var(--transition);
}

.token-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.token-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
    border-radius: 50%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f8f9fa;
}

.token-icon img {
    max-width: 80%;
    max-height: 80%;
}

/* Merchants */
.merchants-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.merchant-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.merchant-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.merchant-logo {
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    padding: 20px;
}

.merchant-content {
    padding: 30px;
}

.merchant-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 15px;
}

.tag {
    background-color: var(--primary-light);
    color: var(--primary-dark);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

/* Comparison Table */
.comparison-table {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    margin-top: 40px;
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 800px;
}

th, td {
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid var(--light-gray);
}

th {
    background-color: var(--secondary);
    color: white;
    font-weight: 600;
}

tr:last-child td {
    border-bottom: none;
}

.highlight {
    background-color: rgba(255, 107, 53, 0.05);
    font-weight: 600;
    color: var(--primary);
}

/* Products */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.product-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.product-image {
    height: 200px;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-content {
    padding: 30px;
}

.product-features {
    list-style: none;
    margin: 20px 0;
}

.product-features li {
    padding: 8px 0;
    border-bottom: 1px solid var(--light-gray);
    display: flex;
    align-items: center;
    gap: 10px;
}

.product-features li:last-child {
    border-bottom: none;
}

.product-features i {
    color: var(--accent);
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, var(--secondary), #0F3460);
    color: white;
    padding: 100px 0;
    text-align: center;
}

.cta h2 {
    color: white;
    font-size: 36px;
    margin-bottom: 20px;
}

.cta p {
    font-size: 18px;
    max-width: 700px;
    margin: 0 auto 40px;
    opacity: 0.9;
}

/* Forms */
.form-container {
    max-width: 500px;
    margin: 0 auto;
    background: white;
    border-radius: var(--border-radius);
    padding: 50px;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--secondary);
}

.form-control {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--light-gray);
    border-radius: 8px;
    font-size: 16px;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.form-text {
    margin-top: 8px;
    font-size: 14px;
    color: var(--gray);
}

.form-footer {
    margin-top: 30px;
    text-align: center;
}

/* About */
.about-hero {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-light), #fff);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.team-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.team-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.team-image {
    height: 200px;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
    color: var(--primary);
}

.team-content {
    padding: 30px;
}

/* Timeline */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 40px auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
    width: 50%;
    padding-right: 40px;
}

.timeline-item:nth-child(even) {
    margin-left: 50%;
    padding-right: 0;
    padding-left: 40px;
}

.timeline-content {
    background: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.timeline-date {
    position: absolute;
    top: 0;
    background: var(--primary);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 14px;
}

.timeline-item .timeline-date {
    right: -70px;
}

.timeline-item:nth-child(even) .timeline-date {
    left: -70px;
}

/* Footer */
footer {
    background-color: var(--secondary);
    color: white;
    padding: 80px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.footer-col h3 {
    color: white;
    font-size: 20px;
    margin-bottom: 24px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: white;
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: 16px;
    margin-top: 20px;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary);
    transform: translateY(-3px);
}

.copyright {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

/* Responsive */
@media (max-width: 992px) {
    h1 {
        font-size: 40px;
    }
    
    h2 {
        font-size: 32px;
    }
    
    .hero-image {
        position: relative;
        width: 100%;
        max-width: 500px;
        margin-top: 50px;
        transform: none;
    }
    
    .solution-steps {
        flex-direction: column;
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 0;
    }
    
    .timeline-item:nth-child(even) {
        margin-left: 0;
        padding-left: 70px;
    }
    
    .timeline-item .timeline-date {
        right: auto;
        left: 0;
    }
    
    .timeline-item:nth-child(even) .timeline-date {
        left: 0;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        border-top: 1px solid var(--light-gray);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .mobile-toggle {
        display: block;
    }
    
    .header-actions .btn-outline {
        display: none;
    }
    
    h1 {
        font-size: 32px;
    }
    
    h2 {
        font-size: 28px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .form-container {
        padding: 30px 20px;
    }
}
/* 在style.css文件末尾添加以下样式 */

/* Language Switcher */
.language-switcher {
    position: relative;
    margin-right: 15px;
}

.language-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: none;
    border: none;
    color: var(--secondary);
    font-weight: 500;
    font-size: 16px;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 6px;
    transition: var(--transition);
}

.language-btn:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.language-btn i {
    font-size: 14px;
}

.language-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    min-width: 160px;
    display: none;
    z-index: 1001;
    margin-top: 5px;
    overflow: hidden;
}

.language-dropdown.active {
    display: block;
}

.language-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    text-decoration: none;
    color: var(--secondary);
    transition: var(--transition);
    border-bottom: 1px solid var(--light-gray);
    cursor: pointer;
}

.language-option:last-child {
    border-bottom: none;
}

.language-option:hover {
    background-color: var(--primary-light);
    color: var(--primary);
}

.language-option.active {
    background-color: var(--primary-light);
    color: var(--primary);
    font-weight: 600;
}

.language-flag {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
    flex-shrink: 0;
}

.flag-cn { background-color: #FF0000; color: #FFDE00; }
.flag-us { background-color: #3C3B6E; color: white; }
.flag-es { background-color: #C60B1E; color: #FFC400; }
.flag-fr { background-color: #002395; color: #ED2939; }
.flag-ar { background-color: #007A3D; color: #CE1126; }

/* RTL Support for Arabic */
body[dir="rtl"] {
    text-align: right;
    font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
}

body[dir="rtl"] .nav-menu {
    direction: ltr; /* Keep navigation left-to-right */
}

body[dir="rtl"] .hero-content,
body[dir="rtl"] .section-title,
body[dir="rtl"] .feature-card,
body[dir="rtl"] .step {
    text-align: right;
}

body[dir="rtl"] .hero-stats {
    flex-direction: row-reverse;
}

body[dir="rtl"] .hero-actions {
    flex-direction: row-reverse;
}

body[dir="rtl"] .solution-steps {
    flex-direction: row-reverse;
}

body[dir="rtl"] .footer-links a:hover {
    padding-right: 5px;
    padding-left: 0;
}

body[dir="rtl"] .header-container {
    flex-direction: row;
}

/* Mobile adjustments for RTL */
@media (max-width: 768px) {
    body[dir="rtl"] .header-actions {
        flex-direction: row-reverse;
    }
    
    body[dir="rtl"] .mobile-toggle {
        order: -1;
    }
}