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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background-color: #fff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, #d4b896 0%, #c4a77d 100%);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0px 40px;
}

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

.logo-img {
    height: 68px;
    width: auto;
}

.nav ul {
    display: flex;
    list-style: none;
    gap: 48px;
}

.nav a {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.3px;
    transition: all 0.2s ease;
    position: relative;
}

.nav a:hover,
.nav a.active {
    color: #fff;
}

.nav a.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 2px;
    background: #fff;
    border-radius: 1px;
}

.menu-btn {
    display: none;
    width: 24px;
    height: 24px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.menu-btn span {
    display: block;
    width: 20px;
    height: 2px;
    background: #fff;
    margin: 5px 0;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    padding: 140px 0 120px;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, #fdf8f0 0%, #faf5eb 50%, #fff 100%);
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 100%;
    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='%23d4b896' fill-opacity='0.05'%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");
}

.hero .container {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 80px;
}

.hero-content {
    flex: 1;
    max-width: 580px;
}

.hero-badge {
    display: inline-block;
    background: rgba(212, 184, 150, 0.2);
    color: #a68b6a;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.hero-title {
    font-size: 52px;
    font-weight: 700;
    color: #1a1a1a;
    line-height: 1.15;
    letter-spacing: -1px;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 18px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: all 0.25s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #d4b896 0%, #c4a77d 100%);
    color: #fff;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #c4a77d 0%, #b4966d 100%);
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(212, 184, 150, 0.4);
}

.btn-secondary {
    background: transparent;
    color: #1a1a1a;
    border: 1px solid #e0e0e0;
}

.btn-secondary:hover {
    background: #f5f5f5;
    border-color: #d0d0d0;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image img {
    max-width: 100%;
    max-height: 450px;
    object-fit: contain;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-header h2 {
    font-size: 40px;
    font-weight: 700;
    color: #1a1a1a;
    letter-spacing: -0.5px;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 16px;
    color: #888;
    max-width: 500px;
    margin: 0 auto;
    line-height: 1.8;
}

/* About Section */
.about {
    padding: 120px 0;
    background: #fff;
}

.about-content {
    max-width: 800px;
    margin: 0 auto 60px;
}

.about-text {
    font-size: 16px;
    line-height: 2;
    color: #555;
}

.about-text p {
    margin-bottom: 20px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 60px;
    padding: 40px 0;
    border-top: 1px solid #f0f0f0;
    border-bottom: 1px solid #f0f0f0;
}

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

.stat-number {
    font-size: 44px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 8px;
    letter-spacing: -1px;
}

.stat-label {
    font-size: 14px;
    color: #888;
}

.mission-vision {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-bottom: 60px;
}

.mission, .vision {
    background: linear-gradient(135deg, #fdf8f0 0%, #f5ede0 100%);
    padding: 48px;
    border-radius: 16px;
    border: 1px solid #e8dfd0;
}

.mission h3, .vision h3 {
    font-size: 14px;
    color: #a68b6a;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.mission p, .vision p {
    font-size: 20px;
    font-weight: 600;
    color: #1a1a1a;
    line-height: 1.6;
}

.values {
    margin-top: 60px;
    padding-top: 60px;
    border-top: 1px solid #f0f0f0;
}

.values .section-header {
    margin-bottom: 48px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.value-item {
    background: #fafbfc;
    padding: 32px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.25s ease;
    border: 1px solid #f0f0f0;
}

.value-item:hover {
    background: #fff;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
    transform: translateY(-2px);
    border-color: #e0e0e0;
}

.value-icon {
    font-size: 36px;
    margin-bottom: 16px;
}

.value-item h4 {
    font-size: 16px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 8px;
}

.value-item p {
    font-size: 13px;
    color: #888;
    line-height: 1.6;
    margin: 0;
}

/* Product Section */
.product {
    padding: 120px 0;
    background: linear-gradient(180deg, #fff 0%, #faf5eb 100%);
}

.product-content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 80px;
    align-items: center;
}

.product-image-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.product-logo {
    width: 200px;
    height: auto;
}

.product-logo img {
    width: 100%;
    height: auto;
}

.product-image {
    padding: 40px;
    background: #fff;
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
}

.product-image img {
    max-width: 100%;
    max-height: 400px;
    object-fit: contain;
}

.product-info h3 {
    font-size: 32px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.product-info p {
    font-size: 16px;
    color: #666;
    line-height: 1.9;
    margin-bottom: 32px;
}

.product-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.feature-item {
    display: flex;
    gap: 14px;
    padding: 20px;
    background: #fff;
    border-radius: 12px;
    border: 1px solid #f0f0f0;
    transition: all 0.25s ease;
}

.feature-item:hover {
    border-color: #e0e0e0;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}

.feature-icon {
    width: 40px;
    height: 40px;
    background: #f5ede0;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

.feature-content h4 {
    font-size: 15px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 4px;
}

.feature-content p {
    font-size: 13px;
    color: #888;
    line-height: 1.6;
    margin: 0;
}

/* Features Section */
.features {
    padding: 120px 0;
    background: #fff;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.feature-card {
    text-align: center;
    padding: 40px 24px;
    background: #fdf8f0;
    border-radius: 16px;
    border: 1px solid #e8dfd0;
    transition: all 0.25s ease;
}

.feature-card:hover {
    background: #fff;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
    transform: translateY(-4px);
    border-color: #d4b896;
}

.feature-card-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, #f5ede0 0%, #e8dfd0 100%);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 32px;
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 14px;
    color: #888;
    line-height: 1.7;
}

/* Contact Section */
.contact {
    padding: 120px 0;
    background: #fdf8f0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-icon {
    width: 44px;
    height: 44px;
    background: #fff;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.contact-text h4 {
    font-size: 15px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 4px;
}

.contact-text p {
    font-size: 14px;
    color: #888;
}

.contact-form {
    background: #fff;
    padding: 48px;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
}

.contact-form h3 {
    font-size: 20px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 28px;
}

.contact-form .form-group {
    margin-bottom: 16px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #e8e8e8;
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    transition: all 0.2s ease;
    background: #fff;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #d4b896;
    box-shadow: 0 0 0 3px rgba(212, 184, 150, 0.15);
}

.contact-form textarea {
    resize: vertical;
    min-height: 140px;
    line-height: 1.6;
}

.contact-form button {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #d4b896 0%, #c4a77d 100%);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s ease;
}

.contact-form button:hover {
    background: linear-gradient(135deg, #c4a77d 0%, #b4966d 100%);
}

/* Footer */
.footer {
    background: #1a1a1a;
    color: #fff;
    padding: 80px 0 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand {
    grid-column: span 1;
}

.footer-logo {
    height: 40px;
    width: auto;
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 14px;
    color: #888;
    line-height: 1.8;
    max-width: 200px;
}

.footer-section h4 {
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
}

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

.footer-section li {
    margin-bottom: 10px;
}

.footer-section a {
    color: #888;
    font-size: 14px;
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-section a:hover {
    color: #fff;
}

.footer-contact p {
    font-size: 14px;
    color: #888;
    margin-bottom: 10px;
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    font-size: 13px;
    color: #666;
}

.footer-links-bottom {
    display: flex;
    gap: 28px;
}

.footer-links-bottom a {
    font-size: 13px;
    color: #666;
    text-decoration: none;
    transition: color 0.2s ease;
}

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

/* Responsive */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 44px;
    }
    
    .product-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 24px;
    }
    
    .header .container {
        padding: 12px 24px;
        position: relative;
    }
    
    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: linear-gradient(135deg, #d4b896 0%, #c4a77d 100%);
        padding: 16px 24px;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    }
    
    .nav.active {
        display: block;
    }
    
    .nav ul {
        flex-direction: column;
        gap: 16px;
    }
    
    .nav a {
        font-size: 16px;
        padding: 8px 0;
        display: block;
    }
    
    .nav a.active::after {
        display: none;
    }
    
    .menu-btn {
        display: block;
        z-index: 10;
    }
    
    .hero {
        padding: 120px 0 80px;
        min-height: auto;
    }
    
    .hero .container {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .section-header h2 {
        font-size: 32px;
    }
    
    .about, .product, .features, .contact {
        padding: 80px 0;
    }
    
    .about-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    .mission-vision {
        grid-template-columns: 1fr;
    }
    
    .product-features {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        padding: 32px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
    
    .footer-links-bottom {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }
    
    .hero-subtitle {
        font-size: 15px;
    }
    
    .section-header h2 {
        font-size: 28px;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 14px;
    }
}