/* ============================================
   HUAMING NAMEPLATE - Global Styles
   Classic Business Blue Theme
   ============================================ */

:root {
    /* Primary Colors */
    --primary-dark: #0f3460;
    --primary-darker: #0a2540;
    --primary-gray: #d4d4d4;
    --primary-light-gray: #f5f5f5;
    --primary-white: #ffffff;

    /* Accent Colors */
    --accent-gold: #2563eb;
    --accent-gold-light: #3b82f6;
    --accent-gold-dark: #1d4ed8;

    /* Text Colors */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --text-white: #ffffff;
    --text-gold: #2563eb;

    /* Borders */
    --border-light: #d4d4d4;
    --border-dark: #a3a3a3;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(15,52,96,0.06);
    --shadow-md: 0 4px 20px rgba(15,52,96,0.10);
    --shadow-lg: 0 8px 40px rgba(15,52,96,0.14);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Reset & Base */
*, *::before, *::after {
    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(--primary-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 { font-size: 3.5rem; font-weight: 700; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
}

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
    border-bottom: 1px solid var(--border-light);
}

.navbar.scrolled {
    box-shadow: 0 2px 20px rgba(15,52,96,0.08);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-dark);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
}

.logo span {
    color: var(--accent-gold);
}

.logo-img {
    height: 42px;
    width: auto;
    margin-right: 10px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 40px;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    padding: 8px 0;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent-gold);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gold);
    transition: width var(--transition-normal);
}

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

.lang-switch {
    display: flex;
    gap: 20px;
    padding-left: 30px;
    border-left: 1px solid var(--border-light);
}

.lang-switch a {
    color: var(--text-light);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    transition: color var(--transition-fast);
}

.lang-switch a:hover,
.lang-switch a.active {
    color: var(--accent-gold);
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--primary-white);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 5px;
}

/* Hide mobile lang switch on desktop */
.mobile-lang-switch {
    display: none;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    background:
        linear-gradient(135deg, rgba(15, 23, 42, 0.88) 0%, rgba(30, 58, 95, 0.85) 50%, rgba(15, 23, 42, 0.9) 100%),
        url('../images/bg.jpg') center center / cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 40px 80px;
    position: relative;
    overflow: hidden;
}

/* Subtle dot grid pattern */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle, rgba(96, 165, 250, 0.08) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 1;
}

/* Gradient overlay */
.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, transparent 0%, rgba(10,37,64,0.2) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
}

.hero-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-gold-light);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    margin-bottom: 24px;
    padding: 8px 20px;
    border: 1px solid rgba(96, 165, 250, 0.3);
    background: rgba(96, 165, 250, 0.08);
}

.hero h1 {
    color: var(--primary-white);
    margin-bottom: 24px;
    line-height: 1.1;
}

.hero h1 span {
    color: #60a5fa;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 16px;
    font-weight: 300;
}

.hero-description {
    font-size: 1.1rem;
    color: #64748b;
    margin-bottom: 48px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 36px;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
}

.btn-primary {
    background: var(--accent-gold);
    color: var(--primary-darker);
    border-color: var(--accent-gold);
}

.btn-primary:hover {
    background: var(--accent-gold-light);
    border-color: var(--accent-gold-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-white);
    border-color: rgba(255, 255, 255, 0.3);
}

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

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

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

/* ============================================
   SECTIONS
   ============================================ */
.section {
    padding: 120px 0;
}

.section-dark {
    background: #e0e0e0;
    color: var(--text-primary);
}

.section-light {
    background: var(--primary-white);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 80px;
}

.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-gold);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.section-title {
    margin-bottom: 20px;
}

.section-title .light {
    font-weight: 300;
    color: var(--accent-gold);
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.section-dark .section-desc {
    color: var(--text-secondary);
}

/* ============================================
   FEATURES GRID
   ============================================ */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    padding: 48px 36px;
    background: var(--primary-white);
    border: 1px solid var(--border-light);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--accent-gold);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.feature-card:hover {
    border-color: transparent;
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px);
}

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

.section-dark .feature-card {
    background: var(--primary-white);
    border-color: var(--border-light);
}

.section-dark .feature-card:hover {
    background: var(--primary-white);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: #f0f0f0;
    border: 1px solid #d4d4d4;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 28px;
    font-size: 1.75rem;
}

.feature-card h3 {
    margin-bottom: 16px;
    font-size: 1.25rem;
}

.section-dark .feature-card h3 {
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 0;
}

.section-dark .feature-card p {
    color: var(--text-secondary);
}

/* ============================================
   PRODUCTS GRID
   ============================================ */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card {
    background: var(--primary-white);
    overflow: hidden;
    transition: all var(--transition-normal);
    border: 1px solid var(--border-light);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.product-image {
    height: 220px;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-light-gray) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.product-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(15, 52, 96, 0.08) 0%, transparent 100%);
}

.product-image-icon {
    font-size: 4rem;
    color: rgba(15, 52, 96, 0.25);
    position: relative;
    z-index: 1;
}

.product-info {
    padding: 32px;
}

.product-info h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.product-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.product-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-gold);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    transition: gap var(--transition-fast);
}

.product-link:hover {
    gap: 14px;
}

/* ============================================
   CLIENTS SECTION
   ============================================ */
.clients-section {
    background: #f5f5f5;
    padding: 100px 0;
}

.clients-header {
    text-align: center;
    margin-bottom: 60px;
}

.clients-header h2 {
    color: #1e293b;
    margin-bottom: 16px;
}

.clients-header p {
    color: #64748b;
    font-size: 1rem;
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
}

.client-logo {
    background: #ffffff;
    border: 1px solid #d4d4d4;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    transition: all var(--transition-normal);
}

.client-logo:hover {
    background: #d4d4d4;
    border-color: #a3a3a3;
    color: var(--accent-gold);
}

.client-logo img {
    max-width: 85%;
    max-height: 60px;
    object-fit: contain;
    display: block;
}

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonials {
    padding: 100px 0;
    background: var(--primary-light-gray);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background: var(--primary-white);
    padding: 40px;
    border: 1px solid var(--border-light);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 20px;
    left: 30px;
    font-size: 5rem;
    font-family: Georgia, serif;
    color: rgba(15, 52, 96, 0.1);
    line-height: 1;
}

.testimonial-text {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    background: var(--accent-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-darker);
    font-weight: 700;
    font-size: 1.1rem;
}

.testimonial-info h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.testimonial-info p {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 0;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    background: var(--primary-dark);
    padding: 120px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(96, 165, 250, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(96, 165, 250, 0.05) 0%, transparent 50%);
}

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

.cta-section h2 {
    color: var(--primary-white);
    margin-bottom: 20px;
}

.cta-section p {
    color: #64748b;
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 40px;
}

/* ============================================
   PAGE HERO (Inner Pages)
   ============================================ */
.page-hero {
    min-height: 50vh;
    background: #0f3460;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 140px 40px 80px;
    position: relative;
    background-image: none !important;
}

.page-hero::before,
.page-hero::after {
    content: none !important;
    display: none !important;
}

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

.page-hero h1 {
    color: var(--primary-white);
    margin-bottom: 16px;
}

.page-hero p {
    color: #64748b;
    font-size: 1.15rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   STATS
   ============================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.stat-item {
    text-align: center;
    padding: 48px 24px;
    background: var(--primary-white);
    border: 1px solid var(--border-light);
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--accent-gold);
    line-height: 1;
    margin-bottom: 12px;
}

.stat-label {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* ============================================
   TIMELINE
   ============================================ */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: var(--border-light);
}

.timeline-item {
    position: relative;
    margin-bottom: 60px;
    display: flex;
}

.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
}

.timeline-year {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-gold);
    color: var(--primary-darker);
    padding: 10px 24px;
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    z-index: 1;
}

.timeline-content {
    width: calc(50% - 60px);
    background: var(--primary-white);
    padding: 32px;
    border: 1px solid var(--border-light);
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-right: auto;
    text-align: right;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: auto;
}

.timeline-content h3 {
    font-size: 1.15rem;
    margin-bottom: 10px;
}

.timeline-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* ============================================
   FAQ
   ============================================ */
.faq-list {
    max-width: 1100px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--border-light);
}

.faq-question {
    font-size: 1.1rem;
    font-weight: 600;
    padding: 28px 0;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: color var(--transition-fast);
}

.faq-question:hover {
    color: var(--accent-gold);
}

.faq-icon {
    font-size: 1.5rem;
    font-weight: 300;
    transition: transform var(--transition-normal);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    color: var(--text-secondary);
    line-height: 1.8;
    padding-bottom: 28px;
    display: none;
}

.faq-item.active .faq-answer {
    display: block;
}

/* ============================================
   CONTACT
   ============================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 32px;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 28px;
}

.contact-icon {
    width: 52px;
    height: 52px;
    background: #f0f0f0;
    border: 1px solid #d4d4d4;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.contact-text h4 {
    font-size: 1rem;
    margin-bottom: 6px;
}

.contact-text p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 0;
    line-height: 1.6;
}

.contact-form {
    background: var(--primary-white);
    padding: 48px;
    border: 1px solid var(--border-light);
}

.contact-map {
    background: var(--primary-white);
    padding: 48px;
    border: 1px solid var(--border-light);
}

.contact-map h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--text-dark);
}

.map-container {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.map-note {
    margin-top: 16px;
    padding: 12px 16px;
    background: var(--bg-light);
    border-radius: 6px;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

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

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--border-light);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition-fast);
    background: var(--primary-white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-gold);
}

.form-group textarea {
    min-height: 140px;
    resize: vertical;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--primary-dark);
    padding: 80px 0 40px;
    color: #d4d4d4;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2.5fr 1fr 1fr 1.2fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand h3 {
    font-size: 1.4rem;
    color: var(--primary-white);
    margin-bottom: 20px;
}

.footer-brand h3 span {
    color: var(--accent-gold);
}

.footer-brand p {
    line-height: 1.8;
    margin-bottom: 0;
}

.footer-column h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-white);
    margin-bottom: 24px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 14px;
}

.footer-contact-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.fc-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    color: var(--accent-gold);
    vertical-align: middle;
    margin-right: 8px;
}

.fc-label {
    font-size: 0.88rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #d4d4d4;
    margin-right: 6px;
}

.footer-contact-list li {
    display: flex;
    align-items: center;
    font-size: 0.88rem;
    color: #d4d4d4;
    flex-wrap: nowrap;
    white-space: nowrap;
    margin-bottom: 0;
    line-height: 1.4;
}

.footer-contact-list a:hover {
    color: var(--accent-gold);
}

.footer-column a {
    color: #d4d4d4;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--accent-gold);
}

.footer-bottom {
    border-top: 1px solid rgba(96, 165, 250, 0.12);
    padding-top: 30px;
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.35);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    h1 { font-size: 2.8rem; }
    h2 { font-size: 2rem; }
    
    .features-grid,
    .products-grid,
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .clients-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item,
    .timeline-item:nth-child(odd) {
        flex-direction: row;
        padding-left: 60px;
    }
    
    .timeline-year {
        left: 20px;
        transform: translateX(-50%);
    }
    
    .timeline-content,
    .timeline-item:nth-child(odd) .timeline-content {
        width: 100%;
        margin: 0;
        text-align: left;
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2.2rem; }
    h2 { font-size: 1.75rem; }
    
    .container,
    .container-wide {
        padding: 0 24px;
    }
    
    .section {
        padding: 80px 0;
    }
    
    .mobile-toggle {
        display: block;
        color: #0f3460 !important;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--primary-white) !important;
        flex-direction: column;
        padding: 30px;
        gap: 0;
        border-top: 3px solid var(--accent-gold) !important;
        box-shadow: 0 8px 30px rgba(0,0,0,0.12);
    }
    
    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        border-bottom: 1px solid rgba(0,0,0,0.06);
        padding: 0;
    }

    .nav-links a {
        color: #0f3460 !important;
        font-weight: 600;
        font-size: 0.95rem;
        display: block;
        padding: 12px 0;
    }

    .nav-links a:hover {
        color: var(--accent-gold) !important;
    }
    
    /* Mobile language switch inside nav menu */
    .nav-links .mobile-lang-switch {
        display: flex;
        justify-content: center;
        gap: 16px;
        padding: 20px 0 10px;
        margin-top: 10px;
        border-top: 1px solid rgba(0,0,0,0.1);
        list-style: none;
    }
    
    .nav-links .mobile-lang-switch a {
        font-size: 0.85rem;
        padding: 6px 12px;
        border-radius: 4px;
        color: var(--text-secondary) !important;
    }
    
    .nav-links .mobile-lang-switch a.active {
        background: var(--accent-gold);
        color: white !important;
    }
    
    /* Hide desktop lang switch on mobile */
    .navbar > .lang-switch {
        display: none;
    }
    
    .hero {
        padding: 100px 24px 60px;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-description {
        font-size: 0.95rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
    }
    
    .features-grid,
    .products-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .clients-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .page-hero {
        min-height: 40vh;
        padding: 120px 24px 60px;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Gold divider */
.divider {
    width: 60px;
    height: 3px;
    background: var(--accent-gold);
    margin: 20px auto;
}

.divider-left {
    margin: 20px 0;
}


/* ============================================
   VALUES SECTION (企业文化 - 商务大气设计)
   ============================================ */
.values-section {
    padding: 120px 0;
    background: #e0e0e0;
    position: relative;
}

.values-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: none;
    pointer-events: none;
}

/* 使命 - 视觉焦点 */
.mission-highlight {
    margin: 0 auto 80px;
    padding: 60px 80px;
    background: #ffffff;
    border: 1px solid #c4c4c4;
    text-align: center;
    position: relative;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}

.mission-highlight::before,
.mission-highlight::after {
    display: none;
}

.mission-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.mission-title {
    font-size: 1.2rem;
    color: var(--accent-gold);
    letter-spacing: 0.2em;
    margin-bottom: 24px;
    font-weight: 500;
}

.mission-text {
    font-size: 1.8rem;
    color: var(--primary-dark);
    line-height: 1.4;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
}

.mission-text span {
    font-weight: 500;
}

.mission-dot {
    color: var(--accent-gold);
    font-weight: 300;
}

/* 价值观四项 */
.values-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.value-item {
    text-align: center;
    padding: 40px 24px;
    background: #ffffff;
    border: 1px solid #d4d4d4;
    transition: all var(--transition-normal);
    box-shadow: 0 1px 6px rgba(0,0,0,0.03);
}

.value-item:hover {
    background: #ffffff;
    border-color: var(--accent-gold);
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
    transform: translateY(-4px);
}

.value-icon-small {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--accent-gold);
    margin-bottom: 16px;
    letter-spacing: 0.05em;
}

.value-item p {
    font-size: 0.9rem;
    color: #64748b;
    line-height: 1.7;
    margin: 0;
}

/* 愿景卡片 */
.vision-card {
    max-width: 800px;
    margin: 0 auto 60px;
    padding: 50px 60px;
    background: #ffffff;
    border: 1px solid #d4d4d4;
    display: flex;
    align-items: center;
    gap: 40px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}

.vision-icon {
    font-size: 3.5rem;
    flex-shrink: 0;
}

.vision-content h4 {
    font-size: 1rem;
    color: var(--accent-gold);
    letter-spacing: 0.15em;
    margin-bottom: 16px;
    font-weight: 500;
}

.vision-content p {
    font-size: 1.15rem;
    color: #1e293b;
    line-height: 1.9;
    margin: 0;
}

/* 政策网格 */
.policy-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 30px;
}

.policy-card {
    padding: 40px;
    background: #ffffff;
    border: 1px solid #d4d4d4;
    box-shadow: 0 1px 6px rgba(0,0,0,0.03);
}

.policy-icon {
    font-size: 2rem;
    margin-bottom: 20px;
}

.policy-card h4 {
    font-size: 1rem;
    color: var(--accent-gold);
    letter-spacing: 0.15em;
    margin-bottom: 20px;
    font-weight: 500;
}

.policy-items {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.policy-items span {
    padding: 8px 20px;
    background: #f0f0f0;
    border: 1px solid #d4d4d4;
    color: #1e293b;
    font-size: 0.9rem;
    font-weight: 500;
}

.policy-card p {
    font-size: 0.95rem;
    color: #64748b;
    line-height: 1.9;
    margin: 0;
}

/* 愿景 Banner - 简洁卡片 */
.vision-banner {
    margin-top: 20px;
    margin-bottom: 15px;
    padding: 35px;
    background: #ffffff;
    border: 1px solid #c4c4c4;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}

.vision-banner-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.vision-banner-label {
    font-size: 1.2rem;
    color: var(--accent-gold);
    letter-spacing: 0.2em;
    margin-bottom: 20px;
    font-weight: 500;
}

.vision-banner-main {
    margin-bottom: 30px;
}

.vision-main-text {
    font-size: 1.8rem;
    color: var(--primary-dark);
    font-weight: 500;
    margin-bottom: 16px;
    line-height: 1.4;
}

.vision-sub-text {
    font-size: 1.1rem;
    color: #475569;
    font-weight: 300;
    margin: 0;
}

.vision-banner-values {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.vision-banner-values span {
    padding: 10px 24px;
    background: #f0f0f0;
    border: 1px solid #d4d4d4;
    color: var(--primary-dark);
    font-size: 0.9rem;
    font-weight: 500;
}

/* 品质政策 Section */
.quality-section {
    margin-top: 60px;
    padding: 50px;
    background: #ffffff;
    border: 1px solid #c4c4c4;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}

.quality-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 1px solid #d4d4d4;
}

.quality-icon {
    font-size: 2.5rem;
}

.quality-header h3 {
    font-size: 1.3rem;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.quality-header p {
    color: #64748b;
    font-size: 0.9rem;
    margin: 0;
}

.quality-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.quality-item {
    text-align: center;
    padding: 30px 20px;
    background: #ffffff;
    border: 1px solid #d4d4d4;
    transition: all var(--transition-normal);
}

.quality-item:hover {
    background: #ffffff;
    border-color: var(--accent-gold);
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
    transform: translateY(-4px);
}

.quality-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-gold);
    opacity: 0.4;
    margin-bottom: 16px;
}

.quality-item h4 {
    font-size: 1rem;
    color: var(--primary-dark);
    margin-bottom: 12px;
    font-weight: 500;
}

.quality-item p {
    font-size: 0.85rem;
    color: #64748b;
    line-height: 1.7;
    margin: 0;
}

/* 环境方针 Section */
.environment-section {
    margin-top: 40px;
    padding: 50px;
    background: #ffffff;
    border: 1px solid #c4c4c4;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}

.environment-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.environment-icon {
    font-size: 2.5rem;
}

.environment-header h3 {
    font-size: 1.3rem;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.environment-header p {
    color: #64748b;
    font-size: 0.9rem;
    margin: 0;
}

.environment-content {
    display: block;
}

.environment-main {
    padding: 40px;
    background: #ffffff;
    border-left: none;
    text-align: center;
}

.environment-main p {
    font-size: 1.15rem;
    color: #334155;
    line-height: 2;
    margin: 0;
}

.environment-points {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.env-point {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: #ffffff;
    border: 1px solid #d4d4d4;
    transition: all var(--transition-fast);
}

.env-point:hover {
    background: rgba(42, 157, 143, 0.1);
    border-color: rgba(42, 157, 143, 0.2);
}

.env-icon {
    font-size: 1.2rem;
}

.env-text {
    font-size: 0.9rem;
    color: #1e293b;
    font-weight: 500;
}

/* Values Section Responsive */
@media (max-width: 1024px) {
    .values-row {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .policy-grid {
        grid-template-columns: 1fr;
    }
    
    .mission-highlight {
        padding: 50px 40px;
    }
    
    .mission-text {
        font-size: 1.25rem;
    }
    
    .vision-card {
        padding: 40px;
        gap: 30px;
    }
    
    .quality-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .environment-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .values-row {
        grid-template-columns: 1fr;
    }
    
    .mission-highlight {
        padding: 40px 24px;
    }
    
    .mission-text {
        font-size: 1.1rem;
        flex-direction: column;
        gap: 4px;
    }
    
    .mission-dot {
        display: none;
    }
    
    .vision-card {
        flex-direction: column;
        text-align: center;
        padding: 32px 24px;
        gap: 20px;
    }
    
    .policy-card {
        padding: 30px 24px;
    }
    
    .policy-items {
        justify-content: center;
    }
    
    .vision-banner {
        padding: 40px 24px;
    }
    
    .vision-main-text {
        font-size: 1.4rem;
    }
    
    .quality-section,
    .environment-section {
        padding: 30px 24px;
    }
    
    .quality-grid {
        grid-template-columns: 1fr;
    }
    
    .quality-header,
    .environment-header {
        flex-direction: column;
        text-align: center;
    }
    
    .environment-points {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   ENHANCED RESPONSIVE BREAKPOINTS
   ============================================ */

/* Large phones / small tablets */
@media (max-width: 768px) {
    .navbar .nav-links {
        gap: 24px;
    }
    .hero h1 {
        font-size: 2rem;
    }
    .hero-description {
        font-size: 0.9rem;
    }
    .section-header h2 {
        font-size: 1.6rem;
    }
    .features-grid {
        gap: 16px;
    }
    .products-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .clients-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }
    .footer-contact-list {
        flex-direction: column;
        align-items: flex-start;
    }
    .footer-contact-list li {
        width: 100%;
        flex-direction: row;
        align-items: center;
    }
    .page-hero h1 {
        font-size: 1.8rem;
    }
    .timeline-item {
        padding-left: 0;
    }
    .timeline::before {
        left: 20px;
    }
    .faq-item {
        padding: 0;
    }
    .values-grid {
        grid-template-columns: 1fr;
    }
}

/* Phones */
@media (max-width: 480px) {
    .navbar .nav-links {
        gap: 14px;
        font-size: 0.8rem;
    }
    .hero h1 {
        font-size: 1.6rem;
    }
    .hero-subtitle {
        font-size: 0.85rem;
    }
    .hero-description {
        font-size: 0.82rem;
        line-height: 1.5;
    }
    .section-header h2 {
        font-size: 1.3rem;
    }
    .section-header p {
        font-size: 0.85rem;
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .feature-card {
        padding: 16px;
    }
    .products-grid {
        grid-template-columns: 1fr;
    }
    .clients-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    .client-logo {
        font-size: 0.7rem;
        padding: 8px 4px;
    }
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .footer-contact-list li {
        flex-direction: row;
        align-items: center;
        gap: 10px;
    }
    .fc-label {
        min-width: 40px;
    }
    .page-hero {
        padding: 80px 0 40px;
    }
    .page-hero h1 {
        font-size: 1.5rem;
    }
    .page-hero p {
        font-size: 0.85rem;
    }
    .faq-item {
        padding: 0;
    }
    .timeline-item {
        padding-left: 0;
    }
    .timeline::before {
        left: 16px;
    }
}

/* Tablets / iPads */
@media (min-width: 481px) and (max-width: 1024px) {
    .navbar .nav-links {
        gap: 28px;
    }
    .hero h1 {
        font-size: 2.2rem;
    }
    .section-header h2 {
        font-size: 1.7rem;
    }
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .clients-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 14px;
    }
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    .footer-contact-list {
        flex-direction: column;
    }
    .footer-contact-list li {
        flex-direction: row;
        align-items: center;
        gap: 10px;
    }
}

/* Footer contact list mobile optimization */
@media (max-width: 600px) {
    .footer-contact-list {
        flex-direction: column;
        gap: 8px;
    }
    .footer-contact-list li {
        flex-direction: row;
        align-items: center;
        gap: 8px;
    }
    .fc-label {
        min-width: 36px;
        font-size: 0.65rem;
    }
    .fc-icon {
        width: 14px;
        height: 14px;
        flex-shrink: 0;
    }
    .footer-contact-list li a,
    .footer-contact-list li span:not(.fc-label) {
        font-size: 0.8rem;
    }
}