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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
}

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar {
    padding: 1rem 0;
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.company-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2c5aa0;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #2c5aa0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #2c5aa0, #4a90e2);
    transition: width 0.3s ease;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    background: rgba(44, 90, 160, 0.1);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.nav-toggle:hover {
    background: rgba(44, 90, 160, 0.2);
    transform: scale(1.05);
}

.bar {
    width: 22px;
    height: 2px;
    background: #2c5aa0;
    margin: 3px 0;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border-radius: 1px;
}

/* Hero Section */
.hero {
    height: 50vh;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    overflow: hidden;
    padding: 80px 0 10px 0;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="%23ffffff08" points="0,0 1000,300 1000,1000 0,700"/></svg>');
    animation: float 6s ease-in-out infinite;
}

.hero-content {
    width: 100%;
    position: relative;
    z-index: 2;
}

.hero-content .container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.hero-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-title {
    font-size: 2.8rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    text-align: left;
}

.highlight {
    background: linear-gradient(45deg, #ffd700, #ffed4e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.typing-text {
    display: inline-block;
    border-right: 3px solid #ffd700;
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { border-color: #ffd700; }
    51%, 100% { border-color: transparent; }
}

.hero-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
} 

.floating-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    animation: float 3s ease-in-out infinite;
    width: 100%;
    max-width: 400px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    text-align: center;
}

.stat-item {
    padding: 1rem;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.stat-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.stat-number {
    display: block;
    font-size: 2.2rem;
    font-weight: 700;
    color: #ffd700;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn::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 0.5s ease;
}

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

.btn-primary {
    background: linear-gradient(45deg, #ffd700, #ffed4e);
    color: #333;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.3);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #333;
    transform: translateY(-2px);
}

.hero-image {
    position: relative;
}



/* Section Styles */
section {
    padding: 80px 0;
}

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

.section-title {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 1rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #2c5aa0, #4a90e2);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* Services Section */
.services {
    background: #f8fafc;
}

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

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #2c5aa0, #4a90e2);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    transition: all 0.3s ease;
}

.service-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.service-icon svg {
    width: 80px;
    height: 80px;
    transition: transform 0.3s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.15);
}

.service-card:hover .service-icon svg {
    transform: scale(1.05);
}

.service-title {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.service-description {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.service-link {
    color: #2c5aa0;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.service-link:hover {
    color: #4a90e2;
}

/* Products Section */
.products-tabs {
    max-width: 1000px;
    margin: 0 auto;
}

.tab-nav {
    display: flex;
    justify-content: center;
    margin-bottom: 3rem;
    background: #f8fafc;
    border-radius: 50px;
    padding: 8px;
    overflow-x: auto;
}

.tab-btn {
    background: none;
    border: none;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 500;
    color: #666;
    cursor: pointer;
    border-radius: 25px;
    transition: all 0.3s ease;
    white-space: nowrap;
    flex-shrink: 0;
}

.tab-btn.active,
.tab-btn:hover {
    background: linear-gradient(45deg, #2c5aa0, #4a90e2);
    color: white;
}

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

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

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

.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.product-text h3 {
    font-size: 2rem;
    color: #333;
    margin-bottom: 1rem;
}

.product-intro {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.product-features h4,
.product-process h4 {
    color: #2c5aa0;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.product-features ul {
    list-style: none;
    margin-bottom: 2rem;
}

.product-features li {
    padding: 8px 0;
    position: relative;
    padding-left: 20px;
    color: #666;
}

.product-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #4a90e2;
    font-weight: 600;
}

.process-steps {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    color: #666;
}

.process-steps span {
    background: #f0f4f8;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
}

.product-image {
    position: relative;
}

.product-image img {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.auxiliary-systems {
    display: grid;
    gap: 1.5rem;
}

.system-item {
    padding: 1.5rem;
    background: #f8fafc;
    border-radius: 10px;
    border-left: 4px solid #2c5aa0;
}

.system-item h4 {
    color: #333;
    margin-bottom: 0.5rem;
}

.system-item p {
    color: #666;
    line-height: 1.6;
}

/* Cases Section */
.cases {
    background: #f8fafc;
}

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

.case-header h3 {
    font-size: 1.8rem;
    color: #333;
    margin-bottom: 0.5rem;
}

.case-header p {
    color: #2c5aa0;
    font-weight: 600;
    margin-bottom: 2rem;
}

.case-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.stat-card .stat-number {
    color: #2c5aa0;
    font-size: 2rem;
    font-weight: 700;
}

.stat-card .stat-label {
    color: #666;
    font-size: 0.9rem;
}

.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, #2c5aa0, #4a90e2);
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2rem;
    top: 5px;
    width: 12px;
    height: 12px;
    background: #2c5aa0;
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: 0 0 0 3px #2c5aa0;
}

.timeline-year {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2c5aa0;
    margin-bottom: 0.5rem;
}

.timeline-content p {
    color: #666;
    line-height: 1.6;
}

.case-gallery {
    position: sticky;
    top: 100px;
}

.gallery-main {
    margin-bottom: 1rem;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.main-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-thumbs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.thumb {
    width: 100%;
    height: 60px;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    opacity: 0.7;
}

.thumb.active,
.thumb:hover {
    opacity: 1;
    transform: scale(1.05);
}

/* About Section */
.about-content {
    display: block;
    margin-bottom: 3rem;
}

.about-text {
    max-width: 100%;
}

.company-values {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.value-item {
    padding: 1.5rem;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: 10px;
    text-align: center;
}

.value-item h4 {
    color: #2c5aa0;
    margin-bottom: 0.5rem;
}

.value-item p {
    color: #666;
    font-size: 0.9rem;
}

.company-info p {
    color: #666;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.qualifications h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 1.5rem;
}

.qualification-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    justify-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.qualification-item {
    position: relative;
    text-align: center;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    width: 100%;
    max-width: 300px;
    aspect-ratio: 3/4;
    display: flex;
    flex-direction: column;
}

.qualification-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.qualification-item img {
    width: 100%;
    height: 75%;
    object-fit: fill;
    border-radius: 0;
    position: relative;
    background: #f8f9fa;
}

.qualification-item::before {
    content: '行业资质';
    position: absolute;
    top: 12px;
    right: 12px;
    background: linear-gradient(135deg, #2c5aa0, #4a90e2);
    color: white;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
    z-index: 3;
    box-shadow: 0 2px 8px rgba(44, 90, 160, 0.25);
    letter-spacing: 0.5px;
}

.qualification-item.rz::before {
    content: '软件著作';
}

.qualification-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 75%;
    background: linear-gradient(180deg, rgba(0,0,0,0.05) 0%, rgba(0,0,0,0.15) 100%);
    z-index: 2;
    pointer-events: none;
}

.qualification-item p {
    padding: 12px 16px;
    margin: 0;
    font-size: 0.9rem;
    font-weight: 600;
    color: #2c3e50;
    background: white;
    height: 25%;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0 0 12px 12px;
    line-height: 1.3;
    text-align: center;
}

/* Achievements Section */
.achievements {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.achievements .section-title {
    color: white;
}

.achievements .section-title::after {
    background: linear-gradient(90deg, #ffd700, #ffed4e);
}

.achievements .section-subtitle {
    color: rgba(255, 255, 255, 0.9);
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.achievement-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
}

.achievement-item:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
}

.achievement-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.achievement-item h4 {
    margin-bottom: 0.5rem;
    color: #ffd700;
}

.achievement-item p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
}

/* Contact Section */
.contact {
    background: linear-gradient(135deg, #f8fafc 0%, #e6f3ff 100%);
    padding: 80px 0;
}

/* Contact Cards */
.contact-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.contact-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #2c5aa0, #4a90e2);
}

.contact-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(44, 90, 160, 0.15);
}

.card-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, #2c5aa0, #4a90e2);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all 0.3s ease;
}

.contact-card:hover .card-icon {
    transform: scale(1.1) rotate(5deg);
}

.contact-card h4 {
    color: #1a365d;
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.contact-main {
    color: #2c5aa0;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.contact-desc {
    color: #64748b;
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.contact-action {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 10px 20px;
    background: linear-gradient(135deg, #2c5aa0, #4a90e2);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.contact-action:hover {
    background: linear-gradient(135deg, #1e3d6f, #2c5aa0);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(44, 90, 160, 0.3);
}

/* Main Contact Section */
.contact-main-section {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
}

/* Unified Contact Card */
.unified-contact-card {
    width: 100%;
    max-width: none;
    background: white;
    border-radius: 25px;
    padding: 3rem;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.unified-contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 6px;
    background: linear-gradient(90deg, #2c5aa0, #4a90e2, #ffd700);
}

.unified-contact-card:hover {
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.12);
    transform: translateY(-5px);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

/* Company Info Section */
.company-info-section {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.company-info-section .info-header h3 {
    color: #1a365d;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.company-info-section .info-header h3::before {
    content: '';
    width: 4px;
    height: 24px;
    background: linear-gradient(135deg, #2c5aa0, #4a90e2);
    border-radius: 2px;
}

.company-info-section .info-header p {
    color: #64748b;
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.company-info-section .info-details {
    width: 100%;
    display: flex;
    justify-content: center;
}

.company-info-section .info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem 2rem;
    border-radius: 15px;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    max-width: 400px;
    width: 100%;
}

.company-info-section .info-item:hover {
    background: linear-gradient(135deg, #e2e8f0 0%, #cbd5e1 100%);
    border-color: #cbd5e1;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(44, 90, 160, 0.15);
}

.company-info-section .info-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #2c5aa0, #4a90e2);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
    box-shadow: 0 6px 20px rgba(44, 90, 160, 0.3);
}

.company-info-section .info-content p {
    color: #1a365d;
    font-size: 1rem;
    line-height: 1.6;
    font-weight: 500;
    text-align: left;
}

.message-section .form-header h3,
.message-section .form-header h3::before {
    color: #1a365d;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.message-section .form-header h3::before {
    content: '';
    width: 4px;
    height: 24px;
    background: linear-gradient(135deg, #ffd700, #ffed4e);
    border-radius: 2px;
}

.message-section .form-header p {
    color: #64748b;
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.message-section .form-content {
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid #e2e8f0;
}

.message-section .cta-section {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 15px;
    border: 2px dashed #e2e8f0;
    transition: all 0.3s ease;
}

.message-section .cta-section:hover {
    border-color: #2c5aa0;
    border-style: solid;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(44, 90, 160, 0.15);
}

.message-section .cta-text {
    color: #64748b;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.message-section .btn-large {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 15px 30px;
    background: linear-gradient(135deg, #2c5aa0, #4a90e2);
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(44, 90, 160, 0.3);
}

.message-section .btn-large:hover {
    background: linear-gradient(135deg, #1e3d6f, #2c5aa0);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(44, 90, 160, 0.4);
}

.company-info-card,
.message-form-card {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.company-info-card:hover,
.message-form-card:hover {
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
}

.info-header h3,
.form-header h3 {
    color: #1a365d;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.info-header p,
.form-header p {
    color: #64748b;
    margin-bottom: 2rem;
}

.info-details {
    space-y: 1.5rem;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.info-item:hover {
    background: #f8fafc;
}

.info-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #2c5aa0, #4a90e2);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.info-content h5 {
    color: #1a365d;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.info-content p {
    color: #64748b;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Message Form Card */
.form-features {
    margin-bottom: 2rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.feature-icon {
    width: 20px;
    height: 20px;
    background: #22c55e;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: bold;
    vertical-align: middle;
}

.cta-section {
    text-align: center;
    padding: 1.5rem;
    background: linear-gradient(135deg, #f1f5f9, #e2e8f0);
    border-radius: 15px;
}

.cta-text {
    color: #64748b;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.btn-large {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 15px 30px;
    background: linear-gradient(135deg, #2c5aa0, #4a90e2);
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.btn-large:hover {
    background: linear-gradient(135deg, #1e3d6f, #2c5aa0);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(44, 90, 160, 0.3);
}

/* Legacy contact styles for compatibility */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, #2c5aa0, #4a90e2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: white;
}

.contact-details h4 {
    color: #333;
    margin-bottom: 0.5rem;
}

.contact-details p {
    color: #666;
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.message-link-container {
    text-align: center;
    padding: 1rem 0;
}

.message-link-container h3 {
    color: #333;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.message-link-container p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.message-btn {
    display: inline-block;
    padding: 12px 24px;
    background: linear-gradient(45deg, #2c5aa0, #4a90e2);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.message-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(44, 90, 160, 0.3);
    background: linear-gradient(45deg, #1e3d6f, #2c5aa0);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2c5aa0;
    box-shadow: 0 0 0 3px rgba(44, 90, 160, 0.1);
}

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

/* Footer */
.footer {
    background: #1a202c;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: #ffd700;
    margin-bottom: 1rem;
}

.footer-section p {
    color: #a0aec0;
    line-height: 1.6;
    margin-bottom: 1rem;
}

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

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: #a0aec0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #ffd700;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-link {
    display: inline-block;
    padding: 8px 16px;
    background: #2d3748;
    color: white;
    text-decoration: none;
    border-radius: 20px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: #ffd700;
    color: #1a202c;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #2d3748;
    color: #a0aec0;
}

.footer-bottom p {
    margin-bottom: 0.5rem;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, #2c5aa0, #4a90e2);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

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

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(44, 90, 160, 0.3);
}

/* AOS Animation Classes */
[data-aos] {
    opacity: 0;
    transition: all 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero {
        height: 60vh;
        min-height: 500px;
    }
    
    .hero-content .container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-text {
        align-items: center;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.4rem;
    }
    
    .floating-card {
        max-width: 350px;
        margin: 0 auto;
    }
    
    .product-detail,
    .case-content,
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .company-values {
        grid-template-columns: 1fr;
    }
    
    .qualification-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 1.5rem;
        padding: 0 1rem;
    }
    
    .qualification-item {
        max-width: none;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.95) 100%);
        backdrop-filter: blur(15px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: stretch;
        transition: left 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        padding: 2rem 0;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
        overflow-y: auto;
        z-index: 999;
    }
    
    .nav-menu::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background: rgba(0, 0, 0, 0.3);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: -1;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu.active::before {
        opacity: 1;
        visibility: visible;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 0;
        width: 100%;
        padding: 0 1.5rem;
    }
    
    .nav-list li {
        width: 100%;
        border-bottom: 1px solid rgba(44, 90, 160, 0.1);
    }
    
    .nav-list li:last-child {
        border-bottom: none;
    }
    
    .nav-link {
        display: block;
        padding: 1rem 1.5rem;
        font-size: 1.1rem;
        font-weight: 500;
        color: #333;
        text-decoration: none;
        border-radius: 12px;
        margin: 0.25rem 0;
        transition: all 0.3s ease;
        position: relative;
        background: transparent;
    }
    
    .nav-link:hover,
    .nav-link.active {
        background: linear-gradient(135deg, #2c5aa0, #4a90e2);
        color: white;
        transform: translateX(8px);
        box-shadow: 0 4px 15px rgba(44, 90, 160, 0.3);
    }
    
    .nav-link::after {
        display: none;
    }
    
    .nav-link::before {
        content: '';
        position: absolute;
        left: 0;
        top: 50%;
        transform: translateY(-50%);
        width: 4px;
        height: 0;
        background: linear-gradient(135deg, #ffd700, #ffed4e);
        border-radius: 2px;
        transition: height 0.3s ease;
    }
    
    .nav-link:hover::before,
    .nav-link.active::before {
        height: 60%;
    }
    
    .nav-toggle {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        width: 44px;
        height: 44px;
        background: rgba(44, 90, 160, 0.1);
        border: none;
        border-radius: 8px;
        cursor: pointer;
        transition: all 0.3s ease;
        position: relative;
        z-index: 1001;
    }
    
    .nav-toggle:hover {
        background: rgba(44, 90, 160, 0.2);
        transform: scale(1.05);
    }
    
    .bar {
        width: 22px;
        height: 2px;
        background: #2c5aa0;
        margin: 3px 0;
        transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        border-radius: 1px;
    }
    
    .nav-toggle.active .bar:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
        background: #e53e3e;
    }
    
    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
        transform: scale(0);
    }
    
    .nav-toggle.active .bar:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
        background: #e53e3e;
    }
    
    .nav-toggle.active {
        background: rgba(229, 62, 62, 0.1);
    }
    
    .hero {
        height: 50vh;
        min-height: 450px;
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
        margin-bottom: 1.5rem;
    }
    
    .floating-card {
        padding: 1.5rem;
        max-width: 300px;
    }
    
    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.8rem;
    }
    
    .stat-number {
        font-size: 1.8rem;
    }
    
    .stat-label {
        font-size: 0.8rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .tab-nav {
        flex-direction: column;
        border-radius: 15px;
        gap: 8px;
        padding: 16px;
    }
    
    .tab-btn {
        border-radius: 8px;
    }
    
    .case-stats {
        grid-template-columns: 1fr;
    }
    
    .qualification-grid {
        grid-template-columns: 1fr;
    }
    
    .achievements-grid {
        grid-template-columns: 1fr;
    }
    
    /* Contact Section Responsive */
    .contact-cards {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-bottom: 3rem;
    }
    
    .contact-main-section {
        margin-top: 2rem;
    }
    
    .unified-contact-card {
        padding: 2.5rem;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .company-info-card,
    .message-form-card {
        padding: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero {
        height: 45vh;
        min-height: 400px;
        padding: 40px 0 10px 0;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 1.8rem;
        margin-bottom: 1rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 1rem;
    }
    
    .floating-card {
        padding: 1rem;
        max-width: 280px;
    }
    
    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.5rem;
    }
        
    .stat-item {
        padding: 0.8rem 0.5rem;
    }
        
    .stat-number {
        font-size: 1.6rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
    }
    
    .hero-buttons {
        gap: 0.5rem;
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .company-name {
        font-size: 1rem;
    }
    
    section {
        padding: 60px 0;
    }
    
    .service-card,
    .contact-form {
        padding: 1.5rem;
    }
    
    /* Contact Section Mobile */
    .contact-cards {
        grid-template-columns: 1fr;
        gap: 1rem;
        margin-bottom: 2rem;
    }
    
    .contact-card {
        padding: 1.5rem;
    }
    
    .unified-contact-card {
        padding: 1.5rem;
        margin: 0;
        border-radius: 20px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .company-info-section .info-item,
    .message-section .form-content {
        padding: 1rem;
    }
    
    .message-section .cta-section {
        padding: 1rem;
    }
    
    .message-section .btn-large {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
    
    .company-info-card,
    .message-form-card {
        padding: 1.5rem;
    }
    
    .info-item {
        padding: 0.75rem;
    }
    
    .cta-section {
        padding: 1rem;
    }
    
    .btn-large {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
    
    .gallery-thumbs {
        grid-template-columns: repeat(2, 1fr);
    }
}