:root {
    /* Primary Colors - Blue Theme */
    --primary-blue: #1e40af;
    --primary-blue-dark: #1e3a8a;
    --primary-blue-light: #3b82f6;
    --primary-blue-lighter: #60a5fa;

    /* Secondary Colors - Light Theme */
    --bg-white: #ffffff;
    --bg-light: #f8fafc;
    --bg-gray-50: #f9fafb;
    --bg-gray-100: #f3f4f6;

    /* Text Colors */
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --text-white: #ffffff;

    /* Accent Colors */
    --accent-success: #10b981;
    --accent-warning: #f59e0b;
    --accent-info: #06b6d4;

    /* Border & Shadow */
    --border-light: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    /* Spacing */
    --container-padding: 2rem;
    --section-padding: 5rem 0;

    /* Animation */
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

/* Container & Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 2rem;
}

h4 {
    font-size: 1.5rem;
}

h5 {
    font-size: 1.25rem;
}

h6 {
    font-size: 1.125rem;
}

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(30, 64, 175, 0.08);
    transition: var(--transition-base);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-brand .logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-img {
    height: 80px;
    width: auto;
}

.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: var(--transition-base);
    position: relative;
}

.nav-link:hover {
    color: var(--primary-blue);
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -8px;
    left: 0;
    background: var(--primary-blue);
    transition: width 0.3s ease;
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-primary {
    background: var(--primary-blue);
    color: white;
    border: none;
    padding: 0.4rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary:hover {
    background: var(--primary-blue-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: var(--transition-base);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    z-index: 999;
}

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

.mobile-nav {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.mobile-nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    padding: 1rem;
    border-radius: 8px;
    transition: var(--transition-base);
}

.mobile-nav-link:hover {
    background: var(--bg-gray-50);
    color: var(--primary-blue);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--bg-white) 0%, var(--bg-light) 100%);
    overflow: hidden;
    padding: 120px 0 80px;
}

/* Hero Video Background */
.hero-video-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
    z-index: 1;
}

.hero-video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg,
            rgba(255, 255, 255, 0.85) 0%,
            rgba(248, 250, 252, 0.8) 50%,
            rgba(30, 64, 175, 0.1) 100%);
    z-index: 2;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 3;
    pointer-events: none;
}

.hero-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--primary-blue-lighter), var(--primary-blue-light));
    opacity: 0.1;
}

.shape-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    right: 10%;
    animation: float 8s ease-in-out infinite;
}

.shape-2 {
    width: 200px;
    height: 200px;
    bottom: 20%;
    left: 5%;
    animation: float 12s ease-in-out infinite reverse;
}

.shape-3 {
    width: 150px;
    height: 150px;
    top: 50%;
    left: 80%;
    animation: float 10s ease-in-out infinite;
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: radial-gradient(circle at 50% 50%, var(--primary-blue-lighter) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.05;
}

.hero-content {
    position: relative;
    z-index: 4;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    text-align: center;
    max-width: 850px;
    margin: 0 auto;
    padding: 3rem 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(255, 255, 255, 0.95);
    padding: 0.875rem 1.5rem;
    border-radius: 50px;
    border: 2px solid var(--primary-blue-light);
    color: var(--primary-blue);
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 2rem;
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-xl);
    animation: fadeInUp 1s ease 0.2s both;
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.hero-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
    animation: shimmer 3s ease-in-out infinite;
}

.hero-badge svg {
    color: var(--primary-blue);
}

.hero-title {
    font-size: 4.2rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
    animation: fadeInUp 1s ease 0.4s both;
    max-width: 750px;
    text-shadow: 0 0 15px rgba(30, 64, 175, 0.2);
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.6;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 1s ease 0.6s both;
    word-break: keep-all;
    word-wrap: break-word;
}

.hero-description strong {
    color: var(--primary-blue);
    font-weight: 600;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin: 0 auto 1.5rem;
    padding: 1.5rem 1rem;
    background: rgba(255, 255, 255, 0.85);
    border-radius: 16px;
    backdrop-filter: blur(15px);
    box-shadow: 0 15px 30px rgba(30, 64, 175, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.6);
    animation: fadeInUp 1s ease 0.8s both;
    width: 100%;
    max-width: 600px;
    position: relative;
    overflow: hidden;
}

.stat-item {
    text-align: center;
    padding: 1rem 0.5rem;
    border-radius: 8px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    background: rgba(248, 250, 252, 0.3);
    border: 1px solid rgba(30, 64, 175, 0.06);
    animation: fadeInUp 1s ease both;
}

.stat-item:nth-child(1) {
    animation-delay: 1s;
}

.stat-item:nth-child(2) {
    animation-delay: 1.2s;
}

.stat-item:nth-child(3) {
    animation-delay: 1.4s;
}

.stat-item:nth-child(4) {
    animation-delay: 1.6s;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-blue-light));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.stat-item:hover::before {
    transform: scaleX(1);
}

.stat-item:hover {
    background: rgba(30, 64, 175, 0.05);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(30, 64, 175, 0.1);
    border-color: rgba(30, 64, 175, 0.15);
}

.stat-number {
    font-size: 1.875rem;
    font-weight: 800;
    color: var(--primary-blue);
    display: block;
    line-height: 1;
    margin-bottom: 0.375rem;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 500;
    margin-top: 0.125rem;
    letter-spacing: 0.01em;
    opacity: 0.9;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 1s both;
    margin-top: 1rem;
}

.btn-primary-large {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.btn-primary-large::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s ease;
}

.btn-primary-large:hover {
    background: linear-gradient(135deg, var(--primary-blue-dark), var(--primary-blue));
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.btn-primary-large:hover::before {
    left: 100%;
}

.btn-secondary-large {
    background: rgba(255, 255, 255, 0.95);
    color: var(--text-primary);
    border: 2px solid var(--primary-blue-light);
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-smooth);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
}

.btn-secondary-large:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
    background: rgba(30, 64, 175, 0.05);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* Hero Visual Dashboard */
.hero-visual {
    position: relative;
}

.hero-dashboard {
    background: var(--bg-white);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-light);
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-light);
}

.header-info h3 {
    color: var(--text-primary);
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-success);
    font-size: 0.875rem;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-success);
    animation: pulse 2s infinite;
}

.dashboard-metrics {
    display: flex;
    gap: 1.5rem;
}

.metric {
    text-align: center;
}

.metric-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    display: block;
}

.metric-label {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-top: 0.25rem;
}

.dashboard-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

.chart-area {
    text-align: center;
}

.chart-bars {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    height: 120px;
    margin-bottom: 1rem;
    gap: 0.5rem;
}

.chart-bar {
    flex: 1;
    background: linear-gradient(to top, var(--primary-blue), var(--primary-blue-light));
    border-radius: 4px 4px 0 0;
    min-height: 20px;
    transition: var(--transition-base);
}

.chart-bar:hover {
    opacity: 0.8;
    transform: scaleY(1.05);
}

.chart-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-light);
}

.performance-indicators {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.indicator {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--bg-gray-50);
    border-radius: 8px;
}

.indicator-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.indicator-icon.success {
    background: var(--accent-success);
    color: white;
}

.indicator-icon.warning {
    background: var(--accent-warning);
    color: white;
}

.indicator-icon.info {
    background: var(--accent-info);
    color: white;
}

.indicator-text span {
    display: block;
    font-size: 0.75rem;
    color: var(--text-light);
}

.indicator-text strong {
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 600;
}

/* Floating Features */
.floating-features {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.feature-bubble {
    position: absolute;
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
    box-shadow: var(--shadow-lg);
    animation: float 6s ease-in-out infinite;
}

.feature-1 {
    top: 10%;
    right: -10%;
    animation-delay: 0s;
}

.feature-2 {
    bottom: 60%;
    left: -15%;
    animation-delay: 2s;
}

.feature-3 {
    bottom: 10%;
    right: -5%;
    animation-delay: 4s;
}

.bubble-icon {
    font-size: 1.5rem;
}

/* Section Base Styles */
section {
    padding: var(--section-padding);
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-light);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    border: 1px solid var(--border-light);
    color: var(--primary-blue);
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--text-primary), var(--primary-blue));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Products Section */
.products {
    background: var(--bg-light);
}

.products-showcase {
    margin-top: 4rem;
}

/* Product Tabs */
.product-tabs {
    position: relative;
    margin-bottom: 4rem;
}

.tab-nav {
    display: flex;
    justify-content: center;
    gap: 4px;
    background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
    border-radius: 24px;
    padding: 10px;
    box-shadow: 0 20px 50px rgba(30, 64, 175, 0.08),
        0 8px 25px rgba(30, 64, 175, 0.04),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(30, 64, 175, 0.08);
    position: relative;
    overflow: hidden;
    max-width: 920px;
    margin: 0 auto;
    backdrop-filter: blur(20px);
}

.tab-btn {
    flex: 1;
    max-width: 300px;
    background: transparent;
    border: none;
    padding: 1.75rem 2rem;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    text-align: left;
    justify-content: flex-start;
    overflow: hidden;
}

.tab-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.03) 0%, rgba(96, 165, 250, 0.08) 100%);
    border-radius: 20px;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.tab-btn:hover::before {
    opacity: 1;
}

.tab-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 25px rgba(30, 64, 175, 0.1);
}

.tab-btn.active {
    color: var(--primary-blue);
    background: linear-gradient(135deg,
            rgba(255, 255, 255, 0.9) 0%,
            rgba(248, 250, 252, 0.8) 100%);
    box-shadow: 0 15px 35px rgba(30, 64, 175, 0.15),
        0 5px 15px rgba(30, 64, 175, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.9),
        inset 0 -1px 0 rgba(30, 64, 175, 0.05);
    transform: translateY(-2px);
    border: 1px solid rgba(30, 64, 175, 0.1);
}

.tab-icon {
    font-size: 1.75rem;
    flex-shrink: 0;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tab-content {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.tab-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
    transition: all 0.3s ease;
}

.tab-btn.active .tab-title {
    color: var(--primary-blue);
    text-shadow: 0 1px 2px rgba(30, 64, 175, 0.1);
    font-weight: 800;
}

.tab-btn:hover .tab-title {
    color: var(--primary-blue-light);
}

.tab-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
    opacity: 0.7;
    line-height: 1.4;
    transition: all 0.3s ease;
    font-weight: 500;
}

.tab-btn.active .tab-subtitle {
    color: var(--primary-blue);
    opacity: 0.8;
    font-weight: 600;
}

.tab-btn:hover .tab-subtitle {
    opacity: 0.9;
    color: var(--primary-blue-light);
}

/* Tab指示器 - 隐藏蓝色层 */
.tab-indicator {
    display: none;
}

/* .tab-indicator {
    position: absolute;
    bottom: 8px;
    left: 8px;
    height: calc(100% - 16px);
    width: calc(25% - 8px);
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    border-radius: 16px;
    transition: var(--transition-smooth);
    z-index: 1;
    opacity: 0.15;
    transform-origin: left center;
} */

/* Tab Content */
.tab-content-area {
    position: relative;
    /* min-height: 900px; */
    overflow: hidden;
}

.tab-panel {
    display: none;
    animation: fadeIn 0.5s ease-in-out;
    /* height: 100%; */
}

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

.tab-panel-header {
    text-align: center;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.tab-panel-header h3 {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.tab-panel-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Modern Product Cards */
.products-grid-tab {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.product-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.product-row.small-cards {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.product-card-modern {
    background: var(--bg-white);
    border-radius: 20px;
    overflow: hidden;
    /* height: 100%; */
    border: 1px solid var(--border-light);
    transition: var(--transition-smooth);
    position: relative;
    box-shadow: var(--shadow-sm);
}

.product-card-modern:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-blue-light);
}

.product-visual {
    position: relative;
    height: 200px;
    background: linear-gradient(135deg, var(--bg-light), var(--bg-gray-50));
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.product-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-base);
}

.product-card-modern:hover .product-visual img {
    transform: scale(1.1);
}

/* SaaS Badge for Warehouse Platform */
.saas-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: linear-gradient(135deg, #ff6b35, #ff8c42);
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    z-index: 10;
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: pulseGlow 2s ease-in-out infinite;
}

@keyframes pulseGlow {

    0%,
    100% {
        box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
        transform: scale(1);
    }

    50% {
        box-shadow: 0 6px 20px rgba(255, 107, 53, 0.5);
        transform: scale(1.02);
    }
}

/* FinTech Platform Specific Styling (保理和小贷) */
.fintech-card {
    position: relative;
    overflow: visible;
}

.fintech-card:hover {
    border-color: #3b82f6;
    box-shadow: var(--shadow-xl), 0 0 20px rgba(59, 130, 246, 0.2);
}

.fintech-actions {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-light);
}

.btn-fintech-entry {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    color: white;
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-base);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-fintech-entry::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s ease;
}

.btn-fintech-entry:hover {
    background: linear-gradient(135deg, #1d4ed8, #2563eb);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
}

.btn-fintech-entry:hover::before {
    left: 100%;
}

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

.btn-fintech-entry svg {
    transition: transform 0.3s ease;
}

.btn-fintech-entry:hover svg {
    transform: translate(2px, -2px);
}

/* Big Data Platform Specific Styling */
.bigdata-card {
    position: relative;
    overflow: visible;
}

.bigdata-card:hover {
    border-color: #3b82f6;
    box-shadow: var(--shadow-xl), 0 0 20px rgba(59, 130, 246, 0.2);
}

.bigdata-actions {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-light);
}

.btn-bigdata-entry {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    color: white;
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-base);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-bigdata-entry::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s ease;
}

.btn-bigdata-entry:hover {
    background: linear-gradient(135deg, #1d4ed8, #2563eb);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
}

.btn-bigdata-entry:hover::before {
    left: 100%;
}

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

.btn-bigdata-entry svg {
    transition: transform 0.3s ease;
}

.btn-bigdata-entry:hover svg {
    transform: translate(2px, -2px);
}

/* AI Platform Specific Styling */
.ai-card {
    position: relative;
    overflow: visible;
}

.ai-card:hover {
    border-color: #3b82f6;
    box-shadow: var(--shadow-xl), 0 0 20px rgba(59, 130, 246, 0.2);
}

.ai-actions {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-light);
}

.btn-ai-entry {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    color: white;
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-base);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-ai-entry::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s ease;
}

.btn-ai-entry:hover {
    background: linear-gradient(135deg, #1d4ed8, #2563eb);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
}

.btn-ai-entry:hover::before {
    left: 100%;
}

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

.btn-ai-entry svg {
    transition: transform 0.3s ease;
}

.btn-ai-entry:hover svg {
    transform: translate(2px, -2px);
}

/* E-commerce Platform Specific Styling */
.ecommerce-card {
    position: relative;
    overflow: visible;
}

.ecommerce-card:hover {
    border-color: #3b82f6;
    box-shadow: var(--shadow-xl), 0 0 20px rgba(59, 130, 246, 0.2);
}

.ecommerce-actions {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-light);
}

.btn-ecommerce-entry {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    color: white;
    text-decoration: none;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-base);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.btn-ecommerce-entry::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s ease;
}

.btn-ecommerce-entry:hover {
    background: linear-gradient(135deg, #1d4ed8, #2563eb);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
}

.btn-ecommerce-entry:hover::before {
    left: 100%;
}

.btn-ecommerce-entry svg {
    transition: transform 0.3s ease;
}

.btn-ecommerce-entry:hover svg {
    transform: translate(2px, -2px);
}

/* Bond Platform Specific Styling */
.bond-card {
    position: relative;
    overflow: visible;
}

.bond-card:hover {
    border-color: #3b82f6;
    box-shadow: var(--shadow-xl), 0 0 20px rgba(59, 130, 246, 0.2);
}

.bond-actions {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-light);
}

.btn-bond-entry {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    color: white;
    text-decoration: none;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-base);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.btn-bond-entry::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s ease;
}

.btn-bond-entry:hover {
    background: linear-gradient(135deg, #1d4ed8, #2563eb);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
}

.btn-bond-entry:hover::before {
    left: 100%;
}

.btn-bond-entry svg {
    transition: transform 0.3s ease;
}

.btn-bond-entry:hover svg {
    transform: translate(2px, -2px);
}

/* Warehouse Management Platform Specific Styling */
.warehouse-mgmt-card {
    position: relative;
    overflow: visible;
}

.warehouse-mgmt-card:hover {
    border-color: #3b82f6;
    box-shadow: var(--shadow-xl), 0 0 20px rgba(59, 130, 246, 0.2);
}

.warehouse-mgmt-actions {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-light);
}

.btn-warehouse-mgmt-entry {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    color: white;
    text-decoration: none;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-base);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.btn-warehouse-mgmt-entry::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s ease;
}

.btn-warehouse-mgmt-entry:hover {
    background: linear-gradient(135deg, #1d4ed8, #2563eb);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
}

.btn-warehouse-mgmt-entry:hover::before {
    left: 100%;
}

.btn-warehouse-mgmt-entry svg {
    transition: transform 0.3s ease;
}

.btn-warehouse-mgmt-entry:hover svg {
    transform: translate(2px, -2px);
}

/* Carbon Finance Platform Specific Styling */
.carbon-finance-card {
    position: relative;
    overflow: visible;
}

.carbon-finance-card:hover {
    border-color: #3b82f6;
    box-shadow: var(--shadow-xl), 0 0 20px rgba(59, 130, 246, 0.2);
}

.carbon-finance-actions {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-light);
}

.btn-carbon-finance-entry {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    color: white;
    text-decoration: none;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-base);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.btn-carbon-finance-entry::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s ease;
}

.btn-carbon-finance-entry:hover {
    background: linear-gradient(135deg, #1d4ed8, #2563eb);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
}

.btn-carbon-finance-entry:hover::before {
    left: 100%;
}

.btn-carbon-finance-entry svg {
    transition: transform 0.3s ease;
}

.btn-carbon-finance-entry:hover svg {
    transform: translate(2px, -2px);
}

/* Carbon Audit Platform Specific Styling */
.carbon-audit-card {
    position: relative;
    overflow: visible;
}

.carbon-audit-card:hover {
    border-color: #3b82f6;
    box-shadow: var(--shadow-xl), 0 0 20px rgba(59, 130, 246, 0.2);
}

.carbon-audit-actions {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-light);
}

.btn-carbon-audit-entry {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    color: white;
    text-decoration: none;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-base);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.btn-carbon-audit-entry::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s ease;
}

.btn-carbon-audit-entry:hover {
    background: linear-gradient(135deg, #1d4ed8, #2563eb);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
}

.btn-carbon-audit-entry:hover::before {
    left: 100%;
}

.btn-carbon-audit-entry svg {
    transition: transform 0.3s ease;
}

.btn-carbon-audit-entry:hover svg {
    transform: translate(2px, -2px);
}

/* Data Asset Platform Specific Styling */
.data-asset-card {
    position: relative;
    overflow: visible;
}

.data-asset-card:hover {
    border-color: #3b82f6;
    box-shadow: var(--shadow-xl), 0 0 20px rgba(59, 130, 246, 0.2);
}

.data-asset-actions {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-light);
}

.btn-data-asset-entry {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    color: white;
    text-decoration: none;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-base);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.btn-data-asset-entry::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s ease;
}

.btn-data-asset-entry:hover {
    background: linear-gradient(135deg, #1d4ed8, #2563eb);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
}

.btn-data-asset-entry:hover::before {
    left: 100%;
}

.btn-data-asset-entry svg {
    transition: transform 0.3s ease;
}

.btn-data-asset-entry:hover svg {
    transform: translate(2px, -2px);
}

/* Carbon Footprint Platform Specific Styling */
.carbon-card {
    position: relative;
    overflow: visible;
}

.carbon-card:hover {
    border-color: #3b82f6;
    box-shadow: var(--shadow-xl), 0 0 20px rgba(59, 130, 246, 0.2);
}

.carbon-actions {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-light);
}

.btn-carbon-entry {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    color: white;
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-base);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-carbon-entry::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s ease;
}

.btn-carbon-entry:hover {
    background: linear-gradient(135deg, #1d4ed8, #2563eb);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
}

.btn-carbon-entry:hover::before {
    left: 100%;
}

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

.btn-carbon-entry svg {
    transition: transform 0.3s ease;
}

.btn-carbon-entry:hover svg {
    transform: translate(2px, -2px);
}

/* Logistics Platform Specific Styling */
.logistics-card {
    position: relative;
    overflow: visible;
}

.logistics-card:hover {
    border-color: #3b82f6;
    box-shadow: var(--shadow-xl), 0 0 20px rgba(59, 130, 246, 0.2);
}

.logistics-actions {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-light);
}

.btn-logistics-entry {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    color: white;
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-base);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-logistics-entry::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s ease;
}

.btn-logistics-entry:hover {
    background: linear-gradient(135deg, #1d4ed8, #2563eb);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
}

.btn-logistics-entry:hover::before {
    left: 100%;
}

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

.btn-logistics-entry svg {
    transition: transform 0.3s ease;
}

.btn-logistics-entry:hover svg {
    transform: translate(2px, -2px);
}

/* Warehouse Platform Specific Styling */
.warehouse-card {
    position: relative;
    overflow: visible;
}

.warehouse-card:hover {
    border-color: #3b82f6;
    box-shadow: var(--shadow-xl), 0 0 20px rgba(59, 130, 246, 0.2);
}

.warehouse-actions {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-light);
}

.btn-warehouse-entry {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    color: white;
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-base);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-warehouse-entry::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s ease;
}

.btn-warehouse-entry:hover {
    background: linear-gradient(135deg, #1d4ed8, #2563eb);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
}

.btn-warehouse-entry:hover::before {
    left: 100%;
}

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

.btn-warehouse-entry svg {
    transition: transform 0.3s ease;
}

.btn-warehouse-entry:hover svg {
    transform: translate(2px, -2px);
}

/* Small Product Cards */
.product-card-small {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 1.5rem;
    border: 1px solid var(--border-light);
    transition: var(--transition-smooth);
    position: relative;
    box-shadow: var(--shadow-sm);
    height: 160px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.product-card-small:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-blue-light);
}

.product-card-small .product-badge-small {
    position: absolute;
    top: 12px;
    right: 12px;
    background: var(--primary-blue);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 600;
    z-index: 2;
}

.product-card-small .product-badge-small:empty {
    display: none;
}

.product-card-small h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.product-card-small p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.5;
    font-size: 0.9rem;
    flex: 1;
}

.product-card-small .product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
}

.product-card-small .feature {
    background: var(--bg-light);
    color: var(--primary-blue);
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 500;
    border: 1px solid var(--primary-blue-lighter);
}

.product-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: var(--primary-blue);
    color: white;
    padding: 0.375rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    z-index: 2;
}

.product-badge:empty {
    display: none;
}

.product-info {
    padding: 2rem;
}

.product-info h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.product-info p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.feature {
    background: var(--bg-light);
    color: var(--primary-blue);
    padding: 0.375rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid var(--primary-blue-lighter);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.product-card {
    background: var(--bg-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
    border: 1px solid var(--border-light);
    position: relative;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-blue-light);
}

.product-card.featured {
    grid-column: span 2;
}

.product-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.product-screenshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.product-card:hover .product-screenshot {
    transform: scale(1.05);
}

.product-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    padding: 2rem;
    transform: translateY(100%);
    transition: var(--transition-base);
}

.product-card:hover .product-overlay {
    transform: translateY(0);
}

.product-overlay h3,
.product-overlay h4 {
    color: white;
    font-size: 1.375rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.product-overlay p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1rem;
}

.product-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tag {
    background: var(--primary-blue);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* Cases Section */
.cases {
    background: var(--bg-white);
}

/* Client Logos Section */
.client-logos {
    background: var(--bg-white);
    padding: 4rem 0;
    overflow: hidden;
}

.client-logos-header {
    text-align: center;
    margin-bottom: 4rem;
}

.client-logos-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.client-logos-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 0;
}

.logos-marquee {
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
    height: 120px;
    display: flex;
    align-items: center;
}

.logos-marquee:last-child {
    margin-bottom: 0;
}

.logos-track {
    display: flex;
    align-items: center;
    gap: 4rem;
    animation: marqueeLeft 30s linear infinite;
    width: max-content;
}

.logos-track[data-direction="right"] {
    animation: marqueeRight 35s linear infinite;
}

.logo-item {
    flex-shrink: 0;
    width: 180px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-white);
    border-radius: 12px;
    padding: 1rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.logo-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent, rgba(30, 64, 175, 0.05), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.logo-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-blue-light);
}

.logo-item img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: none;
    opacity: 0.8;
    transition: var(--transition-base);
}

.logo-item:hover img {
    opacity: 1;
    transform: scale(1.05);
}

/* Marquee animations */
@keyframes marqueeLeft {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

@keyframes marqueeRight {
    0% {
        transform: translateX(-50%);
    }

    100% {
        transform: translateX(0);
    }
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes shimmer {
    0% {
        left: -100%;
    }

    50% {
        left: 100%;
    }

    100% {
        left: 100%;
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

@keyframes borderPulse {

    0%,
    100% {
        border-color: rgba(255, 255, 255, 0.8);
        box-shadow: 0 25px 50px rgba(30, 64, 175, 0.1);
    }

    50% {
        border-color: rgba(30, 64, 175, 0.3);
        box-shadow: 0 25px 50px rgba(30, 64, 175, 0.15);
    }
}

/* Pause animation on hover */
.logos-marquee:hover .logos-track {
    animation-play-state: paused;
}

.partners-showcase {
    margin-top: 4rem;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.partner-card {
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.partner-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-blue-light);
}

.partner-logo {
    margin-bottom: 1.5rem;
}

.partner-logo img {
    height: 60px;
    width: auto;
    filter: grayscale(100%);
    transition: var(--transition-base);
}

.partner-card:hover .partner-logo img {
    filter: grayscale(0%);
}

.partner-info h3 {
    color: var(--text-primary);
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.partner-info p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.cooperation-tags {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.coop-tag {
    background: var(--bg-gray-100);
    color: var(--primary-blue);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid var(--primary-blue-lighter);
}

.results-summary {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    padding: 3rem;
    background: var(--bg-light);
    border-radius: 20px;
    border: 1px solid var(--border-light);
}

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

.result-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-blue);
    display: block;
}

.result-label {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-top: 0.5rem;
    font-weight: 500;
}

/* Certificates Section */
.certificates {
    background: var(--bg-light);
    padding: 4rem 0;
}

.certificates-showcase {
    margin-top: 2rem;
}

/* 证书展示区域 - 简化设计 */
.certificates-showcase {
    position: relative;
    padding: 3rem 2rem 2rem;
    background-image: url('zz/图片2.png');
    background-position: center center;
    background-repeat: no-repeat;
    background-size: 120%;
    text-align: center;
    animation: backgroundMove 30s ease-in-out infinite;
    margin-top: -1rem;
}

.certificates-showcase::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        linear-gradient(to right, rgba(248, 250, 252, 0.95) 0%, rgba(255, 255, 255, 0.4) 25%, rgba(255, 255, 255, 0.4) 75%, rgba(248, 250, 252, 0.95) 100%),
        linear-gradient(to bottom, rgba(248, 250, 252, 0.95) 0%, rgba(255, 255, 255, 0.4) 25%, rgba(255, 255, 255, 0.4) 75%, rgba(248, 250, 252, 0.95) 100%);
    z-index: 1;
}

.cert-title {
    position: relative;
    z-index: 2;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--text-primary), var(--primary-blue));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.cert-subtitle {
    position: relative;
    z-index: 2;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 2rem;
}

.iso-certificates {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: center;
    gap: 3rem;
    align-items: center;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.iso-certificates::-webkit-scrollbar {
    display: none;
}

.iso-certificates img {
    width: 200px;
    height: 280px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: all 0.4s ease;
    cursor: pointer;
    border: 2px solid rgba(255, 255, 255, 0.9);
    background: white;
    flex-shrink: 0;
}

.iso-certificates img:hover {
    transform: scale(1.08) translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: var(--primary-blue-light);
}

/* 其他证书保持原样 */
.cert-row {
    display: flex;
    gap: 3rem;
    margin-bottom: 3rem;
    align-items: flex-start;
}

.cert-row:last-child {
    margin-bottom: 0;
}

.cert-category {
    flex: 1;
}

.cert-category h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    text-align: center;
}

.cert-thumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.cert-thumbs img {
    width: 60px;
    height: 75px;
    object-fit: cover;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.cert-thumbs img:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    z-index: 10;
    position: relative;
}

/* 浮动装饰元素 */
.certificates-showcase::after {
    content: '';
    position: absolute;
    top: 20%;
    right: -5%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(96, 165, 250, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite;
    pointer-events: none;
}

/* 动画关键帧 */
@keyframes stackSpread {
    0% {
        transform:
            translateX(calc(var(--index) * -2px)) translateY(calc(var(--index) * -3px)) translateZ(calc(var(--index) * -5px)) rotate(calc(var(--index) * -1deg));
    }

    100% {
        transform:
            translateX(calc(var(--index) * 15px)) translateY(calc(var(--index) * -8px)) translateZ(calc(var(--index) * 10px)) rotate(calc(var(--index) * 3deg));
    }
}

/* 证书点击展开动画 */
.stack-card.expanded {
    animation: stackSpread 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .certificates-showcase {
        padding: 3rem 1.5rem;
    }

    .cert-title {
        font-size: 2rem;
    }

    .iso-certificates {
        gap: 2rem;
    }

    .iso-certificates img {
        width: 170px;
        height: 238px;
    }
}

@media (max-width: 768px) {
    .certificates-showcase {
        padding: 2.5rem 1rem;
    }

    .cert-title {
        font-size: 1.8rem;
        margin-bottom: 0.5rem;
    }

    .cert-subtitle {
        font-size: 1.1rem;
        margin-bottom: 2rem;
    }

    .iso-certificates {
        gap: 1.5rem;
    }

    .iso-certificates img {
        width: 140px;
        height: 196px;
    }
}

@media (max-width: 480px) {
    .certificates-showcase {
        padding: 2rem 0.5rem;
    }

    .cert-title {
        font-size: 1.5rem;
    }

    .cert-subtitle {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }

    .iso-certificates {
        gap: 1rem;
        padding: 0.25rem;
    }

    .iso-certificates img {
        width: 80px;
        height: 112px;
        border-radius: 4px;
    }
}

.view-more-certs {
    text-align: center;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-blue);
    color: var(--primary-blue);
    padding: 1rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-base);
    text-decoration: none;
}

.btn-outline:hover {
    background: var(--primary-blue);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* About Section */
.about {
    background: var(--bg-white);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-text .section-badge {
    margin-bottom: 1.5rem;
}

.about-text .section-title {
    text-align: left;
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

.about-description {
    margin-bottom: 3rem;
}

.about-description p {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.about-description strong {
    color: var(--primary-blue);
    font-weight: 600;
}

.company-highlights {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.highlight-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 12px;
    border: 1px solid var(--border-light);
    transition: var(--transition-base);
}

.highlight-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.highlight-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.highlight-content h4 {
    color: var(--text-primary);
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.highlight-content p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
    margin-bottom: 0;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.stat-card {
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-blue-light);
}

.stat-card .stat-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.stat-card .stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-blue);
    display: block;
    margin-bottom: 0.5rem;
}

.stat-card .stat-label {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.stat-card .stat-desc {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Contact Section - Enhanced */
.contact {
    background: var(--bg-light);
    padding: 4rem 0;
}

.section-header-simple {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title-simple {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

/* Simplified Contact Layout */
.contact-content-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.contact-info-cards {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-light);
}

.contact-card:last-child {
    border-bottom: none;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-white);
    border: 2px solid var(--primary-blue-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

.contact-icon svg {
    width: 24px;
    height: 24px;
}

.contact-info h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 0.25rem 0;
}

.contact-info p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.4;
}

/* Consultation Form */
.consultation-form-container {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #cbd5e1 100%);
    border: 1px solid var(--border-light);
    border-radius: 20px;
    padding: 2.5rem;
    color: var(--text-primary);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.consultation-form-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23cbd5e1" fill-opacity="0.3"><circle cx="30" cy="30" r="1"/></g></g></svg>');
    pointer-events: none;
}

.form-header {
    text-align: center;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
}

.form-header h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 0.75rem 0;
}

.form-header p {
    color: var(--text-secondary);
    margin: 0;
    font-size: 1rem;
    line-height: 1.5;
}

.consultation-form {
    position: relative;
    z-index: 1;
}

.consultation-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.consultation-form .form-group {
    display: flex;
    flex-direction: column;
}

.consultation-form .form-input {
    padding: 1rem 1.25rem;
    border: 2px solid var(--border-light);
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--bg-white);
    color: var(--text-primary);
}

.consultation-form .form-input:focus {
    outline: none;
    border-color: var(--primary-blue);
    background: var(--bg-white);
    box-shadow: 0 0 0 4px rgba(30, 64, 175, 0.1);
    transform: translateY(-1px);
}

.consultation-form .form-input::placeholder {
    color: #9ca3af;
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.btn-submit-form {
    width: 100%;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    color: white;
    border: none;
    padding: 1.25rem 2rem;
    border-radius: 12px;
    font-size: 1.125rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 1.5rem;
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(30, 64, 175, 0.3);
}

.btn-submit-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s ease;
}

.btn-submit-form:hover {
    background: linear-gradient(135deg, var(--primary-blue-dark), var(--primary-blue));
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(30, 64, 175, 0.4);
}

.btn-submit-form:hover::before {
    left: 100%;
}

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


/* Map Container */
.map-container {
    background: var(--bg-white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
}

.map-header {
    padding: 2rem 2rem 1rem 2rem;
    text-align: center;
    border-bottom: 1px solid var(--border-light);
}

.map-header h4 {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 0.5rem 0;
}

.map-header p {
    color: var(--text-secondary);
    margin: 0;
    font-size: 1rem;
}

.map-wrapper {
    position: relative;
    background: var(--bg-gray-50);
}

.map-wrapper iframe {
    width: 100%;
    height: 300px;
    border: none;
    display: block;
}

.map-info {
    padding: 1.5rem 2rem;
    background: linear-gradient(135deg, var(--bg-light), var(--bg-white));
}

.location-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(30, 64, 175, 0.1);
    color: var(--primary-blue);
    padding: 0.75rem 1.25rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid rgba(30, 64, 175, 0.2);
}

.contact-content-simple {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    max-width: 600px;
    margin: 0 auto;
}

.contact-info-inline {
    display: flex;
    gap: 3rem;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.25rem;
}

.contact-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.contact-value {
    font-size: 1.1rem;
    color: var(--primary-blue);
    font-weight: 600;
}

.consultation-cta {
    display: flex;
    justify-content: center;
}

.btn-consultation-simple {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary-blue);
    color: white;
    text-decoration: none;
    padding: 0.875rem 1.75rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.btn-consultation-simple:hover {
    background: var(--primary-blue-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* 响应式设计 - 简化联系区域 */
@media (max-width: 1024px) {
    .contact-content-split {
        grid-template-columns: 1fr;
        gap: 3rem;
        max-width: 700px;
    }

    .contact-info-cards {
        gap: 0.75rem;
    }

    .contact-card {
        padding: 0.75rem 0;
    }

    .contact-icon {
        width: 40px;
        height: 40px;
        border-radius: 10px;
    }

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

    .contact-info h4 {
        font-size: 0.9rem;
    }

    .contact-info p {
        font-size: 0.8rem;
    }
}

@media (max-width: 768px) {
    .contact {
        padding: 3rem 0;
    }

    .section-title-simple {
        font-size: 2rem;
    }

    .section-header-simple {
        margin-bottom: 3rem;
    }

    .contact-content-split {
        gap: 2.5rem;
    }

    .contact-info-cards {
        gap: 0.375rem;
    }

    .contact-card {
        padding: 0.5rem 0;
        flex-direction: row;
        text-align: left;
        gap: 0.5rem;
        align-items: center;
    }

    .contact-icon {
        width: 28px;
        height: 28px;
        border-radius: 4px;
    }

    .contact-icon svg {
        width: 14px;
        height: 14px;
    }

    .contact-info h4 {
        font-size: 0.75rem;
        margin: 0 0 0.05rem 0;
    }

    .contact-info p {
        font-size: 0.7rem;
        line-height: 1.1;
    }

    .consultation-form-container {
        padding: 2rem 1.5rem;
    }

    .form-header h3 {
        font-size: 1.5rem;
    }

    .consultation-form .form-row {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .consultation-form .form-input {
        padding: 0.875rem 1rem;
    }

    .btn-submit-form {
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .section-title-simple {
        font-size: 1.5rem;
    }

    .contact-content-simple {
        gap: 1.5rem;
    }

    .contact-info-inline {
        gap: 1.5rem;
    }

    .btn-consultation-simple {
        padding: 0.75rem 1.25rem;
        font-size: 0.875rem;
    }

    .footer {
        padding: 2rem 0 1rem;
    }

    .footer-content-simple {
        grid-template-columns: 1fr;
        gap: 2rem;
        margin-bottom: 1.5rem;
    }

    .footer-brand-simple {
        text-align: center;
    }

    .footer-contact-simple {
        min-width: auto;
        padding: 1.25rem 1.5rem;
    }

    .contact-label-footer {
        min-width: auto;
        font-size: 0.8rem;
    }

    .contact-value-footer {
        font-size: 0.9rem;
        font-weight: 500;
    }
}

/* Contact Form */
.contact-form {
    background: var(--bg-white);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
}

.form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.form-input {
    padding: 0.875rem;
    border: 1px solid var(--border-light);
    border-radius: 6px;
    font-size: 0.95rem;
    transition: var(--transition-base);
    background: var(--bg-white);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-input::placeholder {
    color: var(--text-light);
}

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

.form-submit {
    margin-top: 1rem;
}

/* Consultation Card */
.consultation-card {
    background: var(--bg-white);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
    text-align: center;
    transition: var(--transition-base);
}

.consultation-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.consultation-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.consultation-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-blue-lighter), var(--primary-blue-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.consultation-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.consultation-content p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 400px;
    margin: 0;
}

.btn-consultation {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    color: white;
    text-decoration: none;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.btn-consultation::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s ease;
}

.btn-consultation:hover {
    background: linear-gradient(135deg, var(--primary-blue-dark), var(--primary-blue));
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-consultation:hover::before {
    left: 100%;
}

/* 响应式设计 - 咨询卡片 */
@media (max-width: 768px) {
    .consultation-card {
        padding: 1.5rem;
        border-radius: 8px;
    }

    .consultation-content {
        gap: 1.25rem;
    }

    .consultation-icon {
        width: 64px;
        height: 64px;
    }

    .consultation-icon svg {
        width: 36px;
        height: 36px;
    }

    .consultation-content h3 {
        font-size: 1.25rem;
    }

    .consultation-content p {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .consultation-card {
        padding: 1.25rem;
        border-radius: 6px;
    }

    .consultation-content {
        gap: 1rem;
    }

    .consultation-icon {
        width: 56px;
        height: 56px;
    }

    .consultation-icon svg {
        width: 32px;
        height: 32px;
    }

    .btn-consultation {
        padding: 0.875rem 1.75rem;
        font-size: 0.95rem;
    }
}

/* Footer */
.footer {
    background: var(--text-primary);
    color: var(--text-white);
    padding: 2rem 0 1rem;
}

.footer-content-simple {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 3rem;
    align-items: flex-start;
    margin-bottom: 1.25rem;
}

.footer-brand-simple {
    text-align: left;
    max-width: 400px;
}

.footer-brand-simple .logo {
    margin-bottom: 0.5rem;
}

.footer-brand-simple .logo-img {
    filter: brightness(0) invert(1);
}

.footer-contact-simple {
    margin-top: 1rem;
}

.footer-contact-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    margin-bottom: 1rem;
}

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

.footer-contact-label {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-contact-value {
    color: rgba(255, 255, 255, 0.95);
    font-size: 0.9rem;
    font-weight: 600;
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1rem;
    margin-top: -0.5rem;
    line-height: 1.6;
}

/* 不再使用的footer样式已清理 */

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

.footer-legal {
    display: flex;
    gap: 2rem;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.875rem;
    transition: var(--transition-base);
}

.footer-legal a:hover {
    color: var(--primary-blue-lighter);
}

/* Animations */
@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

@keyframes backgroundMove {
    0% {
        background-position: center center;
    }

    25% {
        background-position: 55% 45%;
    }

    50% {
        background-position: 45% 55%;
    }

    75% {
        background-position: 55% 45%;
    }

    100% {
        background-position: center center;
    }
}

/* Scroll Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-smooth);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: var(--transition-smooth);
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: var(--transition-smooth);
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Video Performance Optimization */
@media (prefers-reduced-motion: reduce) {
    .hero-video {
        display: none;
    }

    .hero {
        background: linear-gradient(135deg, var(--bg-white) 0%, var(--bg-light) 100%);
    }
}

/* Mobile Video Optimization */
@media (max-width: 768px) {
    .hero-mobile-video-background {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: 0;
        overflow: hidden;
    }

    .hero-mobile-video {
        position: absolute;
        top: 50%;
        left: 50%;
        min-width: 100%;
        min-height: 100%;
        width: auto;
        height: auto;
        transform: translate(-50%, -50%);
        object-fit: cover;
        z-index: 0;
        opacity: 0.3;
    }

    .hero-mobile-video-overlay {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: linear-gradient(135deg,
                rgba(255, 255, 255, 0.85) 0%,
                rgba(248, 250, 252, 0.8) 50%,
                rgba(30, 64, 175, 0.1) 100%);
        z-index: 2;
    }

    .hero-mobile-video-background {
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 3;
        pointer-events: none;
    }
}

/* Low bandwidth optimization */
@media (max-width: 480px) {
    .hero-video-background {
        background: var(--bg-light);
    }
}

/* Mobile/Desktop Display Control */
.mobile-only {
    display: none !important;
}

.desktop-only {
    display: block !important;
}

@media (max-width: 768px) {
    .mobile-only {
        display: block !important;
    }

    .desktop-only {
        display: none !important;
    }

    /* Mobile Product Tabs - Horizontal Layout */
    .tab-nav {
        display: none;
        /* flex-direction: row !important; */
        overflow-x: auto;
        overflow-y: hidden;
        padding: 8px 8px 8px 16px;
        gap: 6px;
        border-radius: 16px;
        box-shadow: 0 4px 12px rgba(30, 64, 175, 0.08);
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        -ms-overflow-style: none;
        max-width: 100%;
        scroll-snap-type: x mandatory;
    }

    .tab-nav::-webkit-scrollbar {
        display: none;
    }

    .tab-btn {
        min-width: 110px;
        flex: none;
        padding: 0.75rem 0.5rem;
        gap: 0.25rem;
        border-radius: 8px;
        flex-shrink: 0;
        justify-content: center;
        text-align: center;
        overflow: hidden;
        white-space: nowrap;
        scroll-snap-align: start;
    }

    .tab-btn.active {
        transform: translateY(0);
        box-shadow: 0 4px 12px rgba(30, 64, 175, 0.15);
    }

    .tab-title {
        font-size: 0.75rem;
        line-height: 1.1;
        font-weight: 700;
        white-space: nowrap;
    }

    .tab-subtitle {
        font-size: 0.625rem;
        line-height: 1.1;
        opacity: 0.8;
        white-space: nowrap;
    }

    /* Mobile Product Grid - Horizontal Scroll */
    .products-grid-tab {
        gap: 1rem;
        padding-bottom: 2rem;
        /* overflow: visible; */
    }

    .product-row {
        display: flex;
        overflow-x: auto;
        gap: 1rem;
        padding-bottom: 1rem;
        margin-bottom: 1rem;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        -ms-overflow-style: none;
        /* width: max-content;
        animation: marqueeLeft 8s linear infinite; */
    }

    /* .product-row[data-direction="right"] {
        animation: marqueeRight 8s linear infinite;
    } */

    .product-row::-webkit-scrollbar {
        display: none;
    }

    .product-row .product-card-modern {
        min-width: 200px;
        max-width: 200px;
        height: 280px;
        flex-shrink: 0;
        cursor: pointer;
        transition: all 0.3s ease;
        display: flex;
        flex-direction: column;
    }

    .product-row .product-card-modern:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 20px rgba(30, 64, 175, 0.12);
    }

    .product-row .product-card-modern .product-visual {
        height: 90px;
        position: relative;
        overflow: hidden;
        flex-shrink: 0;
    }

    .product-row .product-card-modern .product-info {
        padding: 1rem;
        /* flex: 1; */
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }

    .product-row .product-card-modern .product-info h4 {
        font-size: 0.875rem;
        margin-bottom: 0.375rem;
        line-height: 1.2;
    }

    .product-row .product-card-modern .product-info p {
        font-size: 0.75rem;
        margin-bottom: 0.75rem;
        line-height: 1.3;
        flex: 1;
    }

    .product-row .product-card-modern .product-features .feature {
        font-size: 0.4rem;
        padding: 0.25rem 0.4rem;
    }

    /* Mobile warehouse-mgmt actions */
    .warehouse-mgmt-actions {
        margin-top: 0.75rem;
        padding-top: 0.75rem;
    }

    .btn-warehouse-mgmt-entry {
        padding: 0.6rem 1.2rem;
        font-size: 0.8rem;
        border-radius: 10px;
    }

    .btn-warehouse-mgmt-entry svg {
        width: 12px;
        height: 12px;
    }

    /* Mobile carbon-finance actions */
    .carbon-finance-actions {
        margin-top: 0.75rem;
        padding-top: 0.75rem;
    }

    .btn-carbon-finance-entry {
        padding: 0.6rem 1.2rem;
        font-size: 0.8rem;
        border-radius: 10px;
    }

    .btn-carbon-finance-entry svg {
        width: 12px;
        height: 12px;
    }

    /* Mobile carbon-audit actions */
    .carbon-audit-actions {
        margin-top: 0.75rem;
        padding-top: 0.75rem;
    }

    .btn-carbon-audit-entry {
        padding: 0.6rem 1.2rem;
        font-size: 0.8rem;
        border-radius: 10px;
    }

    .btn-carbon-audit-entry svg {
        width: 12px;
        height: 12px;
    }

    /* Mobile data-asset actions */
    .data-asset-actions {
        margin-top: 0.75rem;
        padding-top: 0.75rem;
    }

    .btn-data-asset-entry {
        padding: 0.6rem 1.2rem;
        font-size: 0.8rem;
        border-radius: 10px;
    }

    .btn-data-asset-entry svg {
        width: 12px;
        height: 12px;
    }

    /* Mobile ecommerce actions */
    .ecommerce-actions {
        margin-top: 0.75rem;
        padding-top: 0.75rem;
    }

    .btn-ecommerce-entry {
        padding: 0.6rem 1.2rem;
        font-size: 0.8rem;
        border-radius: 10px;
    }

    .btn-ecommerce-entry svg {
        width: 12px;
        height: 12px;
    }

    /* Mobile bond actions */
    .bond-actions {
        margin-top: 0.75rem;
        padding-top: 0.75rem;
    }

    .btn-bond-entry {
        padding: 0.6rem 1.2rem;
        font-size: 0.8rem;
        border-radius: 10px;
    }

    .btn-bond-entry svg {
        width: 12px;
        height: 12px;
    }

    /* Mobile fintech actions */
    .fintech-actions {
        margin-top: 0.75rem;
        padding-top: 0.75rem;
    }

    .btn-fintech-entry {
        padding: 0.6rem 1.2rem;
        font-size: 0.8rem;
        border-radius: 10px;
    }

    .btn-fintech-entry svg {
        width: 12px;
        height: 12px;
    }

    /* Mobile bigdata actions */
    .bigdata-actions {
        margin-top: 0.75rem;
        padding-top: 0.75rem;
    }

    .btn-bigdata-entry {
        padding: 0.6rem 1.2rem;
        font-size: 0.8rem;
        border-radius: 10px;
    }

    .btn-bigdata-entry svg {
        width: 12px;
        height: 12px;
    }

    /* Mobile AI actions */
    .ai-actions {
        margin-top: 0.75rem;
        padding-top: 0.75rem;
    }

    .btn-ai-entry {
        padding: 0.6rem 1.2rem;
        font-size: 0.8rem;
        border-radius: 10px;
    }

    .btn-ai-entry svg {
        width: 12px;
        height: 12px;
    }

    /* Mobile carbon actions */
    .carbon-actions {
        margin-top: 0.75rem;
        padding-top: 0.75rem;
    }

    .btn-carbon-entry {
        padding: 0.6rem 1.2rem;
        font-size: 0.8rem;
        border-radius: 10px;
    }

    .btn-carbon-entry svg {
        width: 12px;
        height: 12px;
    }

    /* Mobile logistics actions */
    .logistics-actions {
        margin-top: 0.75rem;
        padding-top: 0.75rem;
    }

    .btn-logistics-entry {
        padding: 0.6rem 1.2rem;
        font-size: 0.8rem;
        border-radius: 10px;
    }

    .btn-logistics-entry svg {
        width: 12px;
        height: 12px;
    }

    /* Mobile warehouse actions */
    .warehouse-actions {
        margin-top: 0.75rem;
        padding-top: 0.75rem;
    }

    .btn-warehouse-entry {
        padding: 0.6rem 1.2rem;
        font-size: 0.8rem;
        border-radius: 10px;
    }

    .btn-warehouse-entry svg {
        width: 12px;
        height: 12px;
    }

    .saas-badge {
        padding: 0.3rem 0.6rem;
        font-size: 0.65rem;
        border-radius: 16px;
        top: 8px;
        left: 8px;
    }

    .product-row.small-cards {
        display: none !important;
    }

    /* Mobile Tab Content */
    /* .tab-content-area {
        min-height: 600px;
        height: auto;
    } */

    .tab-panel-header {
        margin-bottom: 1.25rem;
    }

    .tab-panel-header h3 {
        font-size: 1.25rem;
        margin-bottom: 0.5rem;
        line-height: 1.2;
    }

    .tab-panel-header p {
        font-size: 0.875rem;
        line-height: 1.4;
        margin-bottom: 0;
    }

    /* Mobile Certificates - Horizontal Layout */
    .certificates {
        padding: 2rem 0;
    }

    .certificates-showcase {
        padding: 1.5rem 0;
        margin-top: 0;
    }

    .cert-subtitle {
        font-size: 1rem;
        margin-bottom: 1rem;
    }

    .iso-certificates {
        gap: 1.5rem;
        padding: 0.5rem;
        justify-content: flex-start;
    }

    .iso-certificates img {
        width: 110px;
        height: 154px;
        border-radius: 6px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        border: 1px solid rgba(255, 255, 255, 0.8);
    }

    .iso-certificates img:hover {
        transform: scale(1.05) translateY(-2px);
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
    }

    /* Mobile Client Logos - More Compact */
    .client-logos {
        padding: 2rem 0;
    }

    .client-logos-title {
        font-size: 1.5rem;
        margin-bottom: 0.5rem;
    }

    .client-logos-subtitle {
        font-size: 0.875rem;
        margin-bottom: 1.5rem;
    }

    .logos-marquee {
        height: 80px;
        margin-bottom: 1rem;
    }

    .logo-item {
        width: 100px;
        height: 60px;
        padding: 0.5rem;
    }

    /* Mobile About Section */
    .about {
        padding: 2rem 0;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-text .section-title {
        font-size: 1.5rem;
        text-align: center;
        margin-bottom: 1rem;
    }

    .about-description p {
        font-size: 0.9rem;
        margin-bottom: 1rem;
        line-height: 1.6;
    }

    .company-highlights {
        gap: 1rem;
    }

    .highlight-item {
        padding: 1rem;
        border-radius: 8px;
    }

    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .stat-card {
        padding: 1.5rem 1rem;
        border-radius: 12px;
    }

    .stat-card .stat-number {
        font-size: 1.75rem;
        margin-bottom: 0.25rem;
    }

    /* Mobile Contact Section */
    .contact {
        padding: 2rem 0;
    }

    .section-title-simple {
        font-size: 1.5rem;
    }
}

/* Mobile Hero Section */
.hero-mobile {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--bg-white) 0%, var(--bg-light) 100%);
    display: flex;
    align-items: center;
    padding: 70px 0 20px;
}

.mobile-hero-content {
    display: flex;
    position: relative;
    z-index: 4;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1.5rem;
    width: 100%;
}

.mobile-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.mobile-logo {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.mobile-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-top: 8rem;
    line-height: 1.2;
}

.mobile-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.3;
    padding: 0 1rem;
}

.mobile-highlight {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.mobile-badge {
    background: rgba(30, 64, 175, 0.1);
    color: var(--primary-blue);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    border: 1px solid rgba(30, 64, 175, 0.2);
}

.mobile-slogan {
    font-size: 1.375rem;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.2;
}

.mobile-slogan .highlight {
    color: var(--primary-blue);
}

.mobile-stats {
    display: flex;
    justify-content: space-between;
    width: 100%;
    gap: 0.75rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 12px;
    padding: 1rem 0.5rem;
    box-shadow: var(--shadow-sm);
}

.mobile-stat {
    text-align: center;
    flex: 1;
    padding: 0.5rem;
}

.mobile-stat-number {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary-blue);
    display: block;
    line-height: 1;
    margin-bottom: 0.25rem;
}

.mobile-stat-label {
    font-size: 0.625rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.mobile-cta {
    width: 100%;
}

.mobile-btn-primary {
    display: block;
    width: 100%;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    color: white;
    text-decoration: none;
    padding: 0.875rem 1.5rem;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.95rem;
    text-align: center;
    transition: var(--transition-base);
    box-shadow: var(--shadow-md);
}

.mobile-btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-blue-dark), var(--primary-blue));
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

/* Responsive Design */
@media (max-width: 1024px) {
    :root {
        --container-padding: 1.5rem;
    }


    .hero-title {
        font-size: 3rem;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }

    .product-card.featured {
        grid-column: span 1;
    }

    .tab-nav {
        flex-direction: column;
        gap: 6px;
        padding: 14px;
        max-width: 100%;
        border-radius: 20px;
    }

    .tab-btn {
        max-width: 100%;
        padding: 1.25rem 1.75rem;
        justify-content: center;
        text-align: center;
        border-radius: 16px;
    }

    .tab-btn.active {
        transform: translateY(-1px);
        box-shadow: 0 10px 25px rgba(30, 64, 175, 0.12),
            0 4px 10px rgba(30, 64, 175, 0.06),
            inset 0 1px 0 rgba(255, 255, 255, 0.9);
    }

    .tab-content {
        align-items: center;
    }

    .tab-indicator {
        height: calc(25% - 8px);
        width: calc(100% - 24px);
        left: 12px;
        top: 12px;
        transition: top var(--transition-smooth);
    }

    .products-grid-tab {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .tab-panel-header h3 {
        font-size: 1.75rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    /* .tab-content-area {
        min-height: 600px;
    } */

    .hero-badge {
        font-size: 0.9rem;
        padding: 0.6rem 1.2rem;
        margin-bottom: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
        margin-bottom: 1.5rem;
        line-height: 1.2;
    }

    .hero-description {
        font-size: 1rem;
        margin-bottom: 2rem;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
        padding: 1.25rem;
        margin-bottom: 2rem;
    }

    .hero-actions {
        flex-direction: column;
        gap: 1rem;
    }

    .btn-primary-large,
    .btn-secondary-large {
        width: 100%;
        justify-content: center;
        padding: 1rem 2rem;
        font-size: 1rem;
    }

    .tab-nav {
        padding: 12px;
        border-radius: 18px;
        box-shadow: 0 15px 35px rgba(30, 64, 175, 0.06),
            0 5px 15px rgba(30, 64, 175, 0.04);
    }

    .tab-btn {
        padding: 1rem 1.5rem;
        gap: 1rem;
        border-radius: 14px;
    }

    .tab-btn.active {
        transform: translateY(-1px);
        box-shadow: 0 8px 20px rgba(30, 64, 175, 0.1),
            0 3px 8px rgba(30, 64, 175, 0.05),
            inset 0 1px 0 rgba(255, 255, 255, 0.9);
    }

    .tab-title {
        font-size: 1rem;
    }

    .tab-subtitle {
        font-size: 0.8rem;
    }

    .certificates {
        padding: 3rem 0;
    }

    .certificates-showcase {
        margin-top: 1.5rem;
    }

    .certificates-grid {
        grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
        gap: 0.3rem;
    }

    .cert-item {
        border-radius: 4px;
    }

    .client-logos {
        padding: 3rem 0;
    }

    .client-logos-title {
        font-size: 2rem;
    }

    .client-logos-subtitle {
        font-size: 1rem;
    }

    .logos-marquee {
        height: 100px;
        margin-bottom: 1.5rem;
    }

    .logo-item {
        width: 140px;
        height: 70px;
        padding: 0.75rem;
    }

    .logos-track {
        gap: 2rem;
    }

    .dashboard-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .results-summary {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .certificate-card.featured {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
        --section-padding: 3rem 0;
    }

    /* .tab-content-area {
        min-height: 500px;
    } */

    .hero-title {
        font-size: 1.875rem;
        line-height: 1.3;
    }

    .section-title {
        font-size: 2rem;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
        padding: 1rem;
    }

    .stat-item {
        padding: 0.625rem;
    }

    .stat-number {
        font-size: 1.375rem;
    }

    .stat-label {
        font-size: 0.7rem;
    }

    .products-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .partners-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .results-summary {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .certificates-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
        gap: 0.5rem;
    }
}