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

:root {
    --primary: #1a365d;
    --primary-dark: #0d1b2a;
    --primary-light: #2d6bc4;
    --secondary: #e63946;
    --secondary-light: #ff6b6b;
    --secondary-dark: #c1121f;
    --accent: #f4a261;
    --accent-light: #ffb86c;
    --light: #f8f9fa;
    --dark: #212529;
    --gray: #6c757d;
    --light-gray: #e9ecef;
    --white: #ffffff;
    --shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s ease;
    --border-radius: 8px;
    --border-radius-sm: 4px;
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Poppins', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--dark);
    line-height: 1.6;
    overflow-x: hidden;
    background-color: var(--white);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.section {
    padding: 80px 0;
    position: relative;
}

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

.section-title {
    font-size: 2.2rem;
    color: var(--primary);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--secondary);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray);
    max-width: 700px;
    margin: 0 auto;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 28px;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: var(--secondary-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(230, 57, 70, 0.2);
}

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

.btn-secondary:hover {
    background-color: var(--primary-light);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(26, 54, 93, 0.2);
}

.btn-block {
    display: block;
    width: 100%;
}

.text-success {
    color: #28a745;
}

.text-muted {
    color: var(--gray);
}

/* Preloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s, visibility 0.5s;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.spinner {
    width: 70px;
    height: 70px;
    position: relative;
}

.double-bounce1, .double-bounce2 {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: var(--secondary);
    opacity: 0.6;
    position: absolute;
    top: 0;
    left: 0;
    animation: bounce 2.0s infinite ease-in-out;
}

.double-bounce2 {
    animation-delay: -1.0s;
}

@keyframes bounce {
    0%, 100% { 
        transform: scale(0.0);
    } 50% { 
        transform: scale(1.0);
    }
}

/* Header - Smaller */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    height: 70px;
    display: flex;
    align-items: center;
}

.header.scrolled {
    background-color: var(--white);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0;
    width: 100%;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-main {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--primary);
    line-height: 1.2;
}

.logo-sub {
    font-size: 0.7rem;
    color: var(--gray);
    letter-spacing: 0.5px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 25px;
}

.nav-item {
    position: relative;
}

.nav-link {
    font-weight: 500;
    color: var(--dark);
    position: relative;
    padding: 5px 0;
    font-size: 0.9rem;
    transition: var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--secondary);
    transition: width 0.3s;
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--secondary);
}

.nav-btn {
    background-color: var(--secondary);
    color: var(--white);
    padding: 8px 20px;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 0.85rem;
    transition: var(--transition);
}

.nav-btn:hover {
    background-color: var(--secondary-dark);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(230, 57, 70, 0.2);
}

.hamburger {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
    padding: 5px;
}

.bar {
    display: block;
    width: 25px;
    height: 2px;
    margin: 5px auto;
    background-color: var(--primary);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(rgba(26, 54, 93, 0.9), rgba(26, 54, 93, 0.85)), url('https://images.unsplash.com/photo-1556742049-0cfed4f6a45d?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2070&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--white);
    padding-top: 70px;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 54, 93, 0.9) 0%, rgba(45, 107, 196, 0.7) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    background-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 10px 25px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 30px;
    flex-wrap: wrap;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-badge span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.hero-badge i {
    font-size: 0.9rem;
}

.separator {
    opacity: 0.5;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-btns {
    display: flex;
    gap: 20px;
    margin-bottom: 50px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 30px;
    margin: 60px 0;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.stat-item {
    text-align: center;
    padding: 25px 20px;
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

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

.stat-item h3 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--accent-light);
}

.stat-item p {
    font-size: 0.9rem;
    opacity: 0.9;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.platform-badges {
    display: flex;
    gap: 15px;
    margin-top: 40px;
    justify-content: center;
    flex-wrap: wrap;
}

.platform-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 20px;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
    min-width: 140px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.platform-badge:hover {
    background-color: var(--secondary);
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(230, 57, 70, 0.2);
}

.platform-badge i {
    font-size: 2rem;
}

.platform-badge span:first-of-type {
    font-size: 1.1rem;
}

.badge-tag {
    font-size: 0.75rem;
    padding: 4px 12px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 20px;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-down {
    display: block;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: var(--transition);
    animation: bounce 2s infinite;
}

.scroll-down:hover {
    background-color: var(--secondary);
    transform: translateY(-5px);
}

/* About Section - Distinct from Hero */
.about {
    background-color: var(--white);
    position: relative;
    overflow: hidden;
}

.section-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle at 10% 20%, rgba(248, 249, 250, 0.1) 0%, transparent 20%),
                      radial-gradient(circle at 90% 80%, rgba(248, 249, 250, 0.1) 0%, transparent 20%);
    pointer-events: none;
}

.about-content {
    position: relative;
    z-index: 1;
}

.about-intro {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
    align-items: start;
}

.intro-text h3 {
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.intro-text h3 i {
    color: var(--secondary);
}

.intro-text p {
    color: var(--gray);
    margin-bottom: 20px;
    line-height: 1.7;
}

.intro-text p strong {
    color: var(--primary);
    font-weight: 600;
}

.intro-image {
    position: relative;
}

.year-badge {
    position: absolute;
    top: -20px;
    left: -20px;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: var(--shadow-lg);
    z-index: 2;
}

.intro-card {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
}

.intro-card h4 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.intro-card h4 i {
    color: var(--accent-light);
}

.intro-card p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
    line-height: 1.6;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.feature-card {
    background-color: var(--light);
    border-radius: var(--border-radius);
    padding: 35px 30px;
    transition: var(--transition);
    border: 1px solid var(--light-gray);
}

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

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 1.8rem;
}

.feature-card h4 {
    font-size: 1.3rem;
    color: var(--primary);
    margin-bottom: 15px;
    text-align: center;
}

.feature-card p {
    color: var(--gray);
    text-align: center;
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.feature-list {
    text-align: left;
    margin-top: 20px;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 12px;
    font-size: 0.9rem;
    gap: 10px;
}

.feature-list i {
    color: var(--secondary);
    font-size: 0.9rem;
    margin-top: 3px;
    flex-shrink: 0;
}

.about-timeline {
    margin-top: 60px;
}

.about-timeline h3 {
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.about-timeline h3 i {
    color: var(--secondary);
}

.timeline {
    position: relative;
    padding-left: 30px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--secondary), var(--primary));
    border-radius: 3px;
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-year {
    position: absolute;
    left: -45px;
    top: 0;
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: 0 3px 10px rgba(230, 57, 70, 0.3);
}

.timeline-content {
    background-color: var(--light);
    padding: 25px;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--secondary);
    box-shadow: var(--shadow);
}

.timeline-content h4 {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 10px;
}

.timeline-content p {
    color: var(--gray);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 0;
}

/* Platforms Section */
.platforms {
    background-color: var(--light);
    position: relative;
}

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

.tab-link {
    display: flex;
    align-items: center;
    gap: 12px;
    background-color: var(--white);
    border: 2px solid var(--light-gray);
    padding: 15px 30px;
    border-radius: var(--border-radius);
    font-weight: 600;
    color: var(--dark);
    cursor: pointer;
    transition: var(--transition);
    min-width: 180px;
    justify-content: center;
}

.tab-link:hover {
    border-color: var(--secondary);
    color: var(--secondary);
    transform: translateY(-3px);
}

.tab-link.active {
    background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
    border-color: transparent;
    color: var(--white);
    box-shadow: 0 5px 15px rgba(230, 57, 70, 0.2);
}

.tab-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.tab-icon svg {
    width: 20px;
    height: 20px;
}

.tab-content {
    background-color: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.tab-pane {
    display: none;
    animation: fadeIn 0.5s ease;
}

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

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.platform-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px;
    background-color: var(--light);
    border-bottom: 1px solid var(--light-gray);
}

.platform-logo {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.alibaba-logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: #ff6a00;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.platform-tag {
    display: flex;
    gap: 10px;
}

.tag-badge {
    background-color: var(--light);
    color: var(--gray);
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid var(--light-gray);
}

.platform-body {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    padding: 40px;
}

.platform-info h3 {
    font-size: 1.6rem;
    color: var(--primary);
    margin-bottom: 15px;
}

.platform-description {
    color: var(--gray);
    margin-bottom: 30px;
    line-height: 1.7;
    font-size: 1rem;
}

.platform-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 30px;
}

.feature-block h4 {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.feature-block h4 i {
    color: var(--secondary);
}

.feature-block ul {
    list-style: none;
}

.feature-block ul li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 12px;
    font-size: 0.95rem;
    gap: 10px;
    line-height: 1.5;
}

.feature-block ul li i {
    color: var(--secondary);
    font-size: 0.9rem;
    margin-top: 3px;
    flex-shrink: 0;
}

.metrics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 20px;
}

.metric {
    text-align: center;
    padding: 20px;
    background-color: var(--light);
    border-radius: var(--border-radius);
    border: 1px solid var(--light-gray);
}

.metric-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 5px;
}

.metric-label {
    font-size: 0.85rem;
    color: var(--gray);
}

.platform-image {
    display: flex;
    align-items: flex-start;
}

.image-card {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    width: 100%;
}

.card-header {
    padding: 25px;
    background-color: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.card-header i {
    font-size: 2rem;
    color: var(--accent-light);
}

.card-header h4 {
    font-size: 1.2rem;
    margin-bottom: 0;
    color: var(--white);
}

.card-body {
    padding: 25px;
}

.card-body p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 25px;
    font-size: 0.95rem;
    line-height: 1.6;
}

.advantage-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
}

.advantage-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.advantage-item:hover {
    background-color: rgba(255, 255, 255, 0.15);
}

.advantage-item i {
    color: var(--accent-light);
    font-size: 1.1rem;
}

.advantage-item span {
    font-size: 0.9rem;
    font-weight: 500;
}

/* Platform Comparison */
.platform-comparison {
    margin-top: 60px;
}

.platform-comparison h3 {
    font-size: 1.6rem;
    color: var(--primary);
    margin-bottom: 30px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.platform-comparison h3 i {
    color: var(--secondary);
}

.comparison-table {
    background-color: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
}

.comparison-table thead {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}

.comparison-table th {
    padding: 25px 20px;
    text-align: center;
    color: var(--white);
    font-weight: 600;
    font-size: 1rem;
}

.platform-header-small {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-weight: 600;
}

.alibaba-logo-small {
    color: #ff6a00;
    font-weight: 700;
}

.comparison-table td {
    padding: 20px;
    border-bottom: 1px solid var(--light-gray);
    text-align: center;
    font-size: 0.95rem;
}

.comparison-table tbody tr:last-child td {
    border-bottom: none;
}

.comparison-table tbody tr:nth-child(even) {
    background-color: var(--light);
}

.comparison-table i {
    font-size: 1rem;
}

/* Products Section */
.category-filter {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 12px 24px;
    background-color: var(--light);
    border: 2px solid var(--light-gray);
    border-radius: 30px;
    font-weight: 600;
    color: var(--dark);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
}

.filter-btn:hover {
    border-color: var(--secondary);
    color: var(--secondary);
}

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

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

.category-card {
    background-color: var(--light);
    border-radius: var(--border-radius);
    padding: 35px 30px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid transparent;
}

.category-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--secondary);
}

.category-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 2rem;
}

.category-card h3 {
    font-size: 1.3rem;
    color: var(--primary);
    margin-bottom: 15px;
}

.category-card p {
    color: var(--gray);
    margin-bottom: 20px;
    font-size: 0.95rem;
    line-height: 1.6;
}

.category-tags {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.tag {
    background-color: rgba(230, 57, 70, 0.1);
    color: var(--secondary);
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Global Section */
.global-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 25px;
    background-color: var(--light);
    padding: 30px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: 1px solid transparent;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
    border-color: var(--secondary);
}

.stat-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    flex-shrink: 0;
}

.stat-content h3 {
    font-size: 1.4rem;
    color: var(--primary);
    margin-bottom: 10px;
}

.stat-content p {
    color: var(--gray);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 0;
}

.region-breakdown h3 {
    font-size: 1.6rem;
    color: var(--primary);
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.region-breakdown h3 i {
    color: var(--secondary);
}

.region-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.region-card {
    background-color: var(--light);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--light-gray);
}

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

.region-header {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 25px;
    background-color: var(--white);
    border-bottom: 1px solid var(--light-gray);
}

.region-header i {
    font-size: 2rem;
    color: var(--secondary);
}

.region-header h4 {
    font-size: 1.2rem;
    color: var(--primary);
    margin-bottom: 0;
}

.region-content {
    padding: 25px;
}

.country-count {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 10px;
}

.region-content p {
    color: var(--gray);
    margin-bottom: 20px;
    font-size: 0.95rem;
    line-height: 1.6;
}

.platform-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.platform-tag {
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.platform-tag.alibaba {
    background-color: rgba(255, 106, 0, 0.1);
    color: #ff6a00;
}

.platform-tag.amazon {
    background-color: rgba(255, 153, 0, 0.1);
    color: #ff9900;
}

.platform-tag.shopify {
    background-color: rgba(149, 114, 252, 0.1);
    color: #9572fc;
}

/* Process Section */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.step {
    background-color: var(--light);
    border-radius: var(--border-radius);
    padding: 35px 30px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.step::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--secondary), var(--primary));
}

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

.step-number {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
}

.step-icon {
    width: 70px;
    height: 70px;
    background-color: var(--white);
    color: var(--secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 1.8rem;
    border: 2px solid var(--light-gray);
}

.step h3 {
    font-size: 1.3rem;
    color: var(--primary);
    margin-bottom: 15px;
}

.step p {
    color: var(--gray);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.step-details {
    text-align: left;
    margin-top: 20px;
}

.step-details li {
    display: flex;
    align-items: center;
    margin-bottom: 12px;
    font-size: 0.9rem;
    gap: 10px;
}

.step-details li:before {
    content: '•';
    color: var(--secondary);
    font-weight: bold;
    font-size: 1.2rem;
}

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

.quality-card {
    background-color: var(--light);
    border-radius: var(--border-radius);
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid transparent;
}

.quality-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow);
    border-color: var(--secondary);
}

.quality-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 2rem;
}

.quality-card h3 {
    font-size: 1.3rem;
    color: var(--primary);
    margin-bottom: 15px;
}

.quality-card p {
    color: var(--gray);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 0;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h3 {
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-info h3 i {
    color: var(--secondary);
}

.contact-description {
    color: var(--gray);
    margin-bottom: 40px;
    line-height: 1.7;
    font-size: 1rem;
}

.contact-details {
    margin-bottom: 40px;
}

.contact-detail {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
    gap: 20px;
}

.detail-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.detail-text h4 {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 5px;
}

.detail-text p {
    color: var(--gray);
    margin-bottom: 5px;
    font-size: 0.95rem;
    line-height: 1.5;
}

.contact-form-container {
    background-color: var(--light);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.contact-form h3 {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-form h3 i {
    color: var(--secondary);
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--light-gray);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.1);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%236c757d' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
    background-size: 16px;
    padding-right: 45px;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: var(--white);
    padding: 80px 0 30px;
}

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

.footer-col {
    display: flex;
    flex-direction: column;
}

.footer-logo {
    margin-bottom: 25px;
}

.footer-logo a {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-logo .logo-icon {
    background: linear-gradient(135deg, var(--white), #f0f0f0);
    color: var(--primary);
}

.footer-logo .logo-main {
    color: var(--white);
}

.footer-logo .logo-sub {
    color: rgba(255, 255, 255, 0.7);
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 25px;
    font-size: 0.95rem;
    line-height: 1.7;
}

.footer-social {
    display: flex;
    gap: 15px;
}

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

.social-link:hover {
    background-color: var(--secondary);
    transform: translateY(-3px);
}

.footer-col h4 {
    font-size: 1.2rem;
    margin-bottom: 25px;
    color: var(--white);
    position: relative;
    padding-bottom: 10px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background-color: var(--secondary);
}

.footer-links li {
    margin-bottom: 15px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.footer-links a::before {
    content: '›';
    font-size: 1.2rem;
    opacity: 0;
    transition: var(--transition);
}

.footer-links a:hover::before {
    opacity: 1;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    line-height: 1.6;
    gap: 15px;
}

.footer-contact i {
    color: var(--secondary);
    margin-top: 3px;
    flex-shrink: 0;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.copyright p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    border: none;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 5px 15px rgba(230, 57, 70, 0.3);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(230, 57, 70, 0.4);
}