:root {
    --primary: #1B3A5C;
    --secondary: #C8A96E;
    --gold: #D4AF37;
    --bg-light: #FDFBF7;
    --bg-cream: #FAF8F5;
    --text-dark: #1a1a1a;
    --text-light: #666;
    --white: #ffffff;
    --shadow: 0 10px 40px rgba(27, 58, 92, 0.1);
    --shadow-hover: 0 20px 60px rgba(27, 58, 92, 0.15);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat', 'Microsoft YaHei', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.7;
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

.section-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--secondary);
    margin-bottom: 15px;
}

.section-title {
    font-family: 'Playfair Display', serif;
    font-size: 42px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 20px;
}

.section-desc {
    font-size: 16px;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.section-header.light .section-title,
.section-header.light .section-tag {
    color: var(--white);
}

.section-header.light .section-desc {
    color: rgba(255,255,255,0.8);
}

.btn {
    display: inline-block;
    padding: 14px 36px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary {
    background: linear-gradient(135deg, var(--secondary), var(--gold));
    color: var(--white);
    box-shadow: 0 4px 20px rgba(200, 169, 110, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(200, 169, 110, 0.5);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255,255,255,0.98);
    box-shadow: 0 4px 30px rgba(0,0,0,0.1);
}

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

.logo {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.logo-text {
    font-family: 'Playfair Display', serif;
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 3px;
}

.logo-sub {
    font-size: 14px;
    font-weight: 500;
    color: var(--secondary);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-dark);
    position: relative;
    padding: 5px 0;
    transition: color 0.3s ease;
}

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

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

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

.nav-lang {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
}

.lang-btn {
    padding: 4px 8px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--primary);
    transition: all 0.3s ease;
}

.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, #0d2137 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="0.5" fill="rgba(200,169,110,0.3)"/></svg>') repeat;
    background-size: 50px 50px;
    opacity: 0.5;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, transparent 0%, rgba(13,33,55,0.8) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    padding: 0 20px;
}

.hero-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 4px;
    color: var(--secondary);
    margin-bottom: 30px;
    padding: 10px 30px;
    border: 1px solid rgba(200,169,110,0.4);
}

.hero-title {
    margin-bottom: 30px;
}

.title-cn {
    display: block;
    font-family: 'Playfair Display', serif;
    font-size: 56px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 15px;
    letter-spacing: 8px;
}

.title-en {
    display: block;
    font-size: 18px;
    font-weight: 300;
    color: rgba(255,255,255,0.8);
    letter-spacing: 3px;
}

.hero-desc {
    font-size: 16px;
    color: rgba(255,255,255,0.7);
    margin-bottom: 50px;
    letter-spacing: 2px;
}

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

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    color: rgba(255,255,255,0.6);
    font-size: 12px;
    letter-spacing: 2px;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--secondary), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.8); }
    50% { opacity: 1; transform: scaleY(1); }
}

.brand-values {
    padding: 120px 0;
    background: var(--white);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.value-card {
    text-align: center;
    padding: 40px 30px;
    background: var(--bg-light);
    border-radius: 4px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.value-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
}

.value-icon svg {
    width: 100%;
    height: 100%;
    fill: var(--secondary);
}

.value-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 12px;
}

.value-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.8;
}

.products {
    padding: 120px 0;
    background: var(--bg-cream);
}

.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
    margin-bottom: 50px;
    padding: 30px;
    background: var(--white);
    border-radius: 4px;
    box-shadow: var(--shadow);
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 15px;
}

.filter-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
}

.filter-btns {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 20px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-light);
    background: var(--bg-light);
    border: 1px solid transparent;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary);
    color: var(--white);
}

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

.product-card {
    background: var(--white);
    border-radius: 4px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.product-card.hidden {
    display: none;
}

.product-image {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(27, 58, 92, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.product-card:hover .product-overlay {
    opacity: 1;
}

.btn-inquire {
    padding: 12px 30px;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    background: var(--white);
    border: none;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

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

.product-info {
    padding: 25px;
}

.product-tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    color: var(--secondary);
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 4px 12px;
    background: rgba(200, 169, 110, 0.15);
    margin-bottom: 12px;
}

.product-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 8px;
}

.product-desc {
    font-size: 13px;
    color: var(--text-light);
}

.products-cta {
    text-align: center;
    margin-top: 60px;
}

.craftsmanship {
    padding: 120px 0;
    background: linear-gradient(135deg, var(--primary) 0%, #0d2137 100%);
}

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

.process-step {
    position: relative;
    padding: 30px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(200,169,110,0.2);
    border-radius: 4px;
    transition: all 0.4s ease;
}

.process-step:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--secondary);
    transform: translateY(-5px);
}

.step-number {
    font-family: 'Playfair Display', serif;
    font-size: 48px;
    font-weight: 700;
    color: var(--secondary);
    opacity: 0.5;
    margin-bottom: 15px;
}

.step-content h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 10px;
}

.step-content p {
    font-size: 13px;
    color: rgba(255,255,255,0.6);
    line-height: 1.8;
}

.about {
    padding: 120px 0;
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    margin-bottom: 100px;
}

.about-content .section-tag,
.about-content .section-title {
    text-align: left;
}

.about-text {
    font-size: 16px;
    color: var(--text-light);
    line-height: 2;
    margin-bottom: 40px;
}

.about-stats {
    display: flex;
    gap: 50px;
}

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

.stat-number {
    display: block;
    font-family: 'Playfair Display', serif;
    font-size: 48px;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 13px;
    color: var(--text-light);
    letter-spacing: 1px;
}

.about-image {
    position: relative;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: var(--shadow-hover);
}

.about-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100%;
    height: 100%;
    border: 2px solid var(--secondary);
    border-radius: 4px;
    z-index: -1;
}

.timeline {
    padding-top: 60px;
    border-top: 1px solid rgba(27,58,92,0.1);
}

.timeline-title {
    font-family: 'Playfair Display', serif;
    font-size: 28px;
    font-weight: 600;
    color: var(--primary);
    text-align: center;
    margin-bottom: 60px;
}

.timeline-track {
    position: relative;
    display: flex;
    justify-content: space-between;
}

.timeline-track::before {
    content: '';
    position: absolute;
    top: 35px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(to right, transparent, var(--secondary), transparent);
}

.timeline-item {
    position: relative;
    text-align: center;
    flex: 1;
}

.timeline-year {
    font-family: 'Playfair Display', serif;
    font-size: 24px;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 15px;
}

.timeline-dot {
    width: 16px;
    height: 16px;
    background: var(--secondary);
    border-radius: 50%;
    margin: 0 auto 20px;
    position: relative;
    z-index: 2;
    box-shadow: 0 0 0 4px rgba(200,169,110,0.2);
}

.timeline-content h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 8px;
}

.timeline-content p {
    font-size: 13px;
    color: var(--text-light);
    max-width: 180px;
    margin: 0 auto;
}

.custom-service {
    padding: 120px 0;
    background: var(--bg-cream);
}

.custom-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    margin-bottom: 60px;
}

.custom-card {
    text-align: center;
    padding: 30px 20px;
    background: var(--white);
    border-radius: 4px;
    box-shadow: var(--shadow);
    transition: all 0.4s ease;
}

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

.custom-step {
    font-family: 'Playfair Display', serif;
    font-size: 36px;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 15px;
}

.custom-card h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 10px;
}

.custom-card p {
    font-size: 12px;
    color: var(--text-light);
    line-height: 1.8;
}

.custom-abilities {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.ability-item {
    text-align: center;
    padding: 30px;
    background: var(--white);
    border-radius: 4px;
    box-shadow: var(--shadow);
}

.ability-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.ability-item h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 8px;
}

.ability-item p {
    font-size: 13px;
    color: var(--text-light);
}

.custom-form {
    max-width: 800px;
    margin: 0 auto;
    padding: 50px;
    background: var(--white);
    border-radius: 4px;
    box-shadow: var(--shadow);
}

.custom-form h3 {
    font-family: 'Playfair Display', serif;
    font-size: 28px;
    font-weight: 600;
    color: var(--primary);
    text-align: center;
    margin-bottom: 40px;
}

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

.custom-form input,
.custom-form select,
.custom-form textarea {
    width: 100%;
    padding: 15px 20px;
    font-size: 14px;
    font-family: inherit;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    transition: border-color 0.3s ease;
}

.custom-form input:focus,
.custom-form select:focus,
.custom-form textarea:focus {
    outline: none;
    border-color: var(--secondary);
}

.custom-form textarea {
    resize: vertical;
    margin-bottom: 20px;
}

.partners {
    padding: 100px 0;
    background: var(--white);
}

.partners-grid {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.partner-logo {
    padding: 20px 40px;
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    border: 2px solid var(--primary);
    border-radius: 4px;
    opacity: 0.6;
    transition: all 0.3s ease;
}

.partner-logo:hover {
    opacity: 1;
    border-color: var(--secondary);
    color: var(--secondary);
}

.partner-quote {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.partner-quote blockquote {
    font-family: 'Playfair Display', serif;
    font-size: 20px;
    font-style: italic;
    color: var(--primary);
    line-height: 1.8;
    padding: 30px;
    border-left: 4px solid var(--secondary);
    background: var(--bg-light);
}

.contact {
    padding: 120px 0;
    background: var(--bg-cream);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    margin-bottom: 60px;
}

.contact-info .section-tag,
.contact-info .section-title {
    text-align: left;
}

.contact-intro {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 40px;
    line-height: 2;
}

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

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-icon {
    font-size: 24px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border-radius: 50%;
    box-shadow: var(--shadow);
}

.contact-item h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 8px;
}

.contact-item p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.8;
}

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

.social-btn {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    font-size: 16px;
    transition: all 0.3s ease;
}

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

.contact-form-wrapper {
    padding: 50px;
    background: var(--white);
    border-radius: 4px;
    box-shadow: var(--shadow);
}

.contact-form-wrapper h3 {
    font-family: 'Playfair Display', serif;
    font-size: 24px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 30px;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    font-size: 14px;
    font-family: inherit;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    transition: border-color 0.3s ease;
    background: var(--bg-light);
}

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

.form-group textarea {
    resize: vertical;
}

.btn-block {
    width: 100%;
}

.map-wrapper {
    border-radius: 4px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.footer {
    padding: 80px 0 30px;
    background: var(--primary);
    color: var(--white);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-logo {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 20px;
}

.footer-logo .logo-text {
    font-family: 'Playfair Display', serif;
    font-size: 32px;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 3px;
}

.footer-logo .logo-sub {
    font-size: 14px;
    font-weight: 500;
    color: var(--secondary);
    letter-spacing: 2px;
}

.footer-tagline {
    font-size: 16px;
    color: var(--secondary);
    margin-bottom: 15px;
}

.footer-desc {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    line-height: 1.8;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 25px;
    color: var(--white);
}

.footer-links ul li {
    margin-bottom: 12px;
}

.footer-links ul li a {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    transition: color 0.3s ease;
}

.footer-links ul li a:hover {
    color: var(--secondary);
}

.footer-contact p {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    margin-bottom: 10px;
}

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

.footer-bottom p {
    font-size: 13px;
    color: rgba(255,255,255,0.5);
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--secondary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
    box-shadow: var(--shadow);
    z-index: 999;
}

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

.back-to-top:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

@media (max-width: 1024px) {
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

    .custom-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .about-grid {
        gap: 50px;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 30px;
        gap: 25px;
        box-shadow: var(--shadow);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.4s ease;
    }

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

    .nav-lang {
        justify-content: center;
    }

    .hero {
        min-height: 600px;
    }

    .title-cn {
        font-size: 36px;
        letter-spacing: 4px;
    }

    .title-en {
        font-size: 14px;
    }

    .hero-btns {
        flex-direction: column;
        align-items: center;
    }

    .section-title {
        font-size: 32px;
    }

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

    .filter-bar {
        flex-direction: column;
        gap: 20px;
    }

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

    .process-timeline {
        grid-template-columns: 1fr;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-content .section-tag,
    .about-content .section-title {
        text-align: center;
    }

    .about-stats {
        justify-content: center;
    }

    .timeline-track {
        flex-direction: column;
        gap: 40px;
    }

    .timeline-track::before {
        top: 0;
        bottom: 0;
        left: 50%;
        width: 2px;
        height: 100%;
        transform: translateX(-50%);
    }

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

    .custom-abilities {
        grid-template-columns: 1fr;
    }

    .custom-form {
        padding: 30px;
    }

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

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .contact-info .section-tag,
    .contact-info .section-title {
        text-align: center;
    }

    .partners-grid {
        gap: 30px;
    }

    .partner-logo {
        padding: 15px 25px;
        font-size: 16px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-logo {
        justify-content: center;
    }

    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        min-height: 500px;
    }

    .title-cn {
        font-size: 28px;
    }

    .hero-tag {
        font-size: 11px;
        letter-spacing: 2px;
        padding: 8px 20px;
    }

    .stat-number {
        font-size: 36px;
    }

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

    .contact-form-wrapper {
        padding: 25px;
    }
}