:root {
    --primary: #011851;
    --primary-light: #093A64;
    --primary-dark: #010E2E;
    --accent: #023A8E;
    --accent-light: #0B5D9D;
    --accent-dark: #012060;
    --gold: #C9A96E;
    --gold-light: #D4B87A;
    --text-dark: #1A1A2E;
    --text-light: #6B7280;
    --bg-light: #F0F4F8;
    --bg-card: #FFFFFF;
    --bg-dark: #011851;
    --white: #ffffff;
    --shadow: 0 4px 24px rgba(1,24,81,0.08);
    --shadow-hover: 0 12px 48px rgba(1,24,81,0.15);
    --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
/* Hero Section */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--bg-dark);
    overflow: hidden;
}
.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #010E2E 0%, #011851 30%, #093A64 60%, #0B5D9D 100%);
}
.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(1,24,81,0.2) 0%, rgba(1,24,81,0.85) 100%);
}
.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 120px 20px 80px;
    text-align: center;
}
.hero-badge {
    display: inline-block;
    background: rgba(201,169,110,0.12);
    border: 1px solid rgba(201,169,110,0.3);
    color: var(--gold);
    padding: 8px 24px;
    border-radius: 50px;
    font-size: 13px;
    letter-spacing: 2px;
    margin-bottom: 30px;
}
.hero-title {
    font-size: clamp(32px, 5vw, 64px);
    font-weight: 700;
    color: var(--white);
    letter-spacing: 3px;
    line-height: 1.3;
    margin-bottom: 20px;
}
.hero-title span { color: var(--gold); }
.hero-subtitle {
    font-size: clamp(14px, 1.8vw, 20px);
    color: rgba(255,255,255,0.7);
    font-weight: 300;
    letter-spacing: 2px;
    max-width: 700px;
    margin: 0 auto 40px;
    line-height: 1.8;
}
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 36px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 1px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    text-decoration: none;
}
.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: var(--white);
    box-shadow: 0 4px 25px rgba(2,58,142,0.4);
}
.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 40px rgba(2,58,142,0.5);
    color: var(--white);
}
.btn-outline {
    background: transparent;
    border: 2px solid rgba(255,255,255,0.3);
    color: var(--white);
}
.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-3px);
}

/* Section Common */
.section {
    padding: 100px 0;
}
.section-alt { background: var(--bg-light); }
.section-dark { background: var(--bg-dark); }
.section-header {
    text-align: center;
    margin-bottom: 60px;
}
.section-tag {
    display: inline-block;
    color: var(--accent);
    font-size: 13px;
    letter-spacing: 3px;
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 12px;
}
.section-title {
    font-size: clamp(26px, 3vw, 38px);
    font-weight: 700;
    color: var(--text-dark);
    letter-spacing: 2px;
    margin-bottom: 16px;
}
.section-dark .section-title { color: var(--white); }
.section-desc {
    font-size: 16px;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}
.section-dark .section-desc { color: rgba(255,255,255,0.6); }
.divider {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    margin: 20px auto;
    border-radius: 2px;
}

/* Features / Services Grid */
.grid-3, .grid-4 {
    display: grid;
    gap: 30px;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.service-card {
    background: var(--white);
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--gold));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}
.service-card-p2{
    padding: 10px 10px;
}
.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--accent);
    background: rgba(2,58,142,0.08);
    transition: var(--transition);
}
.service-card:hover .service-icon {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: var(--white);
    transform: scale(1.1) rotateY(180deg);
}
.service-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 6px;
}
.service-card .service-en {
    font-size: 12px;
    color: var(--accent);
    letter-spacing: 1px;
    margin-bottom: 14px;
    display: block;
}
.service-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
    margin: 0;
}
.service-card .card-link {
    display: inline-block;
    margin-top: 16px;
    color: var(--accent);
    font-size: 13px;
    font-weight: 500;
}
.service-card .card-link:hover { letter-spacing: 1px; }

/* Stats */
.stats-section {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    padding: 80px 0;
    position: relative;
}
.stats-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.2;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
    position: relative;
}
.stat-item h3 {
    font-size: 42px;
    font-weight: 700;
    color: var(--gold);
    margin-bottom: 8px;
}
.stat-item p {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    letter-spacing: 1px;
}

/* About Preview */
.about-preview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.about-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
    position: relative;
}
.about-image img { width: 100%; display: block; }
.about-image::after {
    content: '';
    position: absolute;
    inset: 0;
    border: 2px solid var(--gold);
    border-radius: 20px;
    transform: translate(12px, 12px);
    z-index: -1;
    opacity: 0.3;
}
.about-text h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-dark);
}
.about-text p {
    color: var(--text-light);
    margin-bottom: 16px;
    font-size: 15px;
}
.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 30px;
}
.about-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--text-dark);
}
.about-feature i {
    color: var(--gold);
    font-size: 16px;
}

/* Case Study */
.case-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}
.case-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}
.case-img {
    height: 220px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: var(--accent);
}
.case-body { padding: 28px; }
.case-body .case-tag {
    display: inline-block;
    background: rgba(201,169,110,0.12);
    color: var(--accent);
    padding: 4px 14px;
    border-radius: 4px;
    font-size: 12px;
    margin-bottom: 12px;
}
.case-body h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
}
.case-body p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
}

/* Testimonials */
.testimonial-card {
    background: var(--white);
    border-radius: 16px;
    padding: 40px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(201,169,110,0.1);
}
.testimonial-text {
    font-size: 16px;
    color: var(--text-light);
    font-style: italic;
    line-height: 1.9;
    margin-bottom: 24px;
    position: relative;
    padding-left: 24px;
    border-left: 3px solid var(--accent);
}
.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}
.testimonial-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: 18px;
}
.testimonial-name { font-weight: 600; color: var(--text-dark); }
.testimonial-role { font-size: 13px; color: var(--text-light); }

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 50%, var(--accent) 100%);
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.3;
}
.cta-section h2 {
    font-size: 34px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
    position: relative;
}
.cta-section p {
    color: rgba(255,255,255,0.85);
    font-size: 16px;
    max-width: 600px;
    margin: 0 auto 32px;
    position: relative;
}
.cta-section .btn-primary {
    background: var(--gold);
    color: var(--primary);
    box-shadow: 0 4px 25px rgba(0,0,0,0.2);
    position: relative;
}
.cta-section .btn-primary:hover { background: var(--gold-light); color: var(--primary); transform: translateY(-3px); }

/* Footer */
.site-footer {
    background: var(--primary-dark);
    color: rgba(255,255,255,0.6);
    padding: 80px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
}
.footer-brand .logo-text .brand-cn { font-size: 22px; }
.footer-brand p {
    margin-top: 20px;
    font-size: 14px;
    line-height: 1.8;
}
.footer-col h4 {
    color: var(--white);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: 1px;
}
.footer-col a {
    display: block;
    color: rgba(255,255,255,0.5);
    padding: 6px 0;
    font-size: 14px;
    transition: var(--transition);
}
.footer-col a:hover { color: var(--gold); padding-left: 4px; }
.footer-contact p {
    font-size: 14px;
    margin-bottom: 12px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.footer-contact i {
    color: var(--accent);
    width: 20px;
    margin-top: 4px;
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 24px 0;
    margin-top: 60px;
    text-align: center;
    font-size: 13px;
}

/* About Page */
.page-hero {
    padding: 160px 0 80px;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.3;
}
.page-hero h1 {
    font-size: 38px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
    position: relative;
}
.page-hero p {
    color: rgba(255,255,255,0.6);
    font-size: 16px;
    position: relative;
}
.breadcrumb-nav {
    padding: 12px 0;
    background: var(--bg-light);
    border-bottom: 1px solid rgba(0,0,0,0.05);
}
.breadcrumb-nav a {
    color: var(--text-light);
    font-size: 13px;
}
.breadcrumb-nav a:hover { color: var(--accent); }
.breadcrumb-nav span { color: var(--text-dark); font-size: 13px; }

/* Values */
.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.value-card {
    text-align: center;
    padding: 40px 30px;
    border-radius: 16px;
    background: var(--white);
    box-shadow: var(--shadow);
    transition: var(--transition);
}
.value-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.value-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: rgba(2,58,142,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--accent);
}
.value-card h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}
.value-card .value-en {
    font-size: 12px;
    color: var(--accent);
    letter-spacing: 2px;
    margin-bottom: 14px;
    display: block;
}
.service-card .service-en {
    color: var(--accent);
}
.value-card p { font-size: 14px; color: var(--text-light); }

/* Contact Page */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
}
.contact-info-card {
    background: var(--bg-dark);
    border-radius: 16px;
    padding: 40px;
    color: var(--white);
}
.contact-info-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 30px;
}
.contact-info-item {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}
.contact-info-item i {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(201,169,110,0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold);
    font-size: 18px;
    flex-shrink: 0;
}
.contact-info-item h4 { font-size: 15px; font-weight: 600; margin-bottom: 4px; }
.contact-info-item p { font-size: 14px; color: rgba(255,255,255,0.6); margin: 0; }
.contact-form-card {
    background: var(--white);
    border-radius: 16px;
    padding: 40px;
    box-shadow: var(--shadow);
}
.form-group { margin-bottom: 20px; }
.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--text-dark);
}
.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e8e8e8;
    border-radius: 10px;
    font-size: 14px;
    transition: var(--transition);
    background: var(--bg-light);
    font-family: inherit;
}
.form-control:focus {
    border-color: var(--accent);
    outline: none;
    box-shadow: 0 0 0 4px rgba(201,169,110,0.1);
}
textarea.form-control { min-height: 140px; resize: vertical; }
.social-links { display: flex; gap: 12px; margin-top: 20px; }
.social-links a {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.6);
    font-size: 18px;
    transition: var(--transition);
}
.social-links a:hover { background: var(--gold); color: var(--primary); }

/* Map placeholder */
.map-section { padding: 0; }
.map-placeholder {
    height: 350px;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 12px;
    color: var(--text-light);
    font-size: 16px;
}

/* Page Content */
.page-content {
    padding: 80px 0;
}
.page-content h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-dark);
}
.page-content h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-dark);
}
.page-content p {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.9;
    margin-bottom: 16px;
}

/* News */
.news-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}
.news-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.news-img {
    height: 200px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
}
.news-body { padding: 24px; }
.news-date {
    font-size: 12px;
    color: var(--accent);
    margin-bottom: 8px;
}
.news-body h4 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.news-body h4 a { color: var(--text-dark); }
.news-body h4 a:hover { color: var(--accent); }
.news-body p { font-size: 14px; color: var(--text-light); margin: 0; }

/* Service Detail Images */
.service-img-wrap {
    margin: 30px 0 40px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    background: var(--bg-light);
}
.service-img-wrap img {
    width: 100%;
    display: block;
}

/* Service Detail Page */
.service-detail-grid {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
}
.service-sidebar {
    position: sticky;
    top: 92px;
    align-self: start;
}
.service-sidebar ul {
    list-style: none;
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow);
    overflow: hidden;
}
.service-sidebar li { border-bottom: 1px solid #f0f0f0; }
.service-sidebar li:last-child { border-bottom: none; }
.service-sidebar a {
    display: block;
    padding: 14px 20px;
    color: var(--text-dark);
    font-size: 14px;
    transition: var(--transition);
    border-left: 3px solid transparent;
}
.service-sidebar a:hover,
.service-sidebar a.active {
    color: var(--accent);
    border-left-color: var(--accent);
    background: rgba(2,58,142,0.05);
}

/* Responsive */
@media (max-width: 992px) {
    .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .about-preview { grid-template-columns: 1fr; gap: 40px; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: 1fr; }
    .service-detail-grid { grid-template-columns: 1fr; }
    .service-sidebar { position: static; }
    .service-sidebar ul { display: flex; flex-wrap: wrap; }
    .service-sidebar li { border-bottom: none; border-right: 1px solid #f0f0f0; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
}
@media (max-width: 768px) {

    .section { padding: 60px 0; }
    .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .values-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .hero-title { font-size: 28px; }
    .hero-actions { flex-direction: column; align-items: center; }
    .btn { width: 100%; justify-content: center; }
    .page-hero { padding: 130px 0 50px; }
    .page-hero h1 { font-size: 28px; }
    .about-features { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {

    .stats-grid { grid-template-columns: 1fr 1fr; }
    .stat-item h3 { font-size: 32px; }
}