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

:root {
    --primary-color: #8B4513;
    --secondary-color: #D2691E;
    --accent-color: #CD853F;
    --text-dark: #333;
    --text-light: #666;
    --bg-light: #FFF8DC;
    --bg-white: #ffffff;
    --border-color: #ddd;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-hover: 0 4px 20px rgba(0,0,0,0.15);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

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

/* Header */
.header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 20px 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo h1 {
    font-size: 2rem;
    margin-bottom: 5px;
    letter-spacing: 2px;
}

.logo .subtitle {
    font-size: 0.9rem;
    opacity: 0.9;
}

.nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav a {
    color: white;
    text-decoration: none;
    font-size: 1.05rem;
    transition: opacity 0.3s;
    font-weight: 500;
}

.nav a:hover {
    opacity: 0.8;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(139, 69, 19, 0.7), rgba(139, 69, 19, 0.7)),
                url('../images/hero-bg.jpg') center/cover;
    background-color: var(--accent-color);
    color: white;
    text-align: center;
    padding: 120px 20px;
    position: relative;
}

.hero-content h2 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    letter-spacing: 3px;
}

.hero-tagline {
    font-size: 1.8rem;
    margin-bottom: 15px;
    font-weight: 300;
}

.hero-desc {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.95;
}

.cta-button {
    display: inline-block;
    background: white;
    color: var(--primary-color);
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: bold;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(0,0,0,0.3);
}

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

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 15px;
    color: var(--primary-color);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--secondary-color);
    margin: 20px auto;
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 50px;
}

/* About Section */
.about {
    background-color: var(--bg-light);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.about-text p {
    margin-bottom: 15px;
    line-height: 1.8;
    font-size: 1.05rem;
    text-align: justify;
}

.about-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.image-caption {
    text-align: center;
    margin-top: 10px;
    color: var(--text-light);
    font-style: italic;
}

/* Products Section */
.products {
    background-color: var(--bg-white);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.product-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
    border: 2px solid transparent;
    position: relative;
}

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

.product-card.featured {
    border-color: var(--secondary-color);
}

.badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--secondary-color);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: bold;
    z-index: 10;
}

.product-image {
    width: 100%;
    height: 280px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--bg-light) 0%, #f5e6d3 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-card h3 {
    font-size: 1.6rem;
    color: var(--primary-color);
    padding: 20px 20px 10px;
}

.product-specs {
    display: flex;
    gap: 10px;
    padding: 0 20px;
    margin-bottom: 15px;
}

.spec {
    background: var(--bg-light);
    color: var(--primary-color);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 600;
}

.product-card > p {
    padding: 0 20px;
    color: var(--text-light);
    margin-bottom: 15px;
    line-height: 1.7;
}

.product-features {
    list-style: none;
    padding: 0 20px 20px;
}

.product-features li {
    padding: 8px 0;
    color: var(--text-dark);
    border-bottom: 1px solid #f0f0f0;
}

.product-features li:last-child {
    border-bottom: none;
}

/* Craft Section */
.craft {
    background: linear-gradient(135deg, var(--bg-light) 0%, #fff 100%);
}

.craft-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.craft-step {
    text-align: center;
    position: relative;
}

.step-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 50px;
    background: var(--secondary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: bold;
    box-shadow: var(--shadow);
    z-index: 10;
}

.step-image {
    width: 100%;
    height: 200px;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
    background: linear-gradient(135deg, var(--bg-light) 0%, #f5e6d3 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.craft-step h3 {
    font-size: 1.4rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.craft-step p {
    color: var(--text-light);
    line-height: 1.7;
}

/* Features Section */
.features {
    background: var(--bg-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.feature-item {
    text-align: center;
    padding: 30px;
    background: white;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

.feature-item:hover {
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.feature-item h3 {
    font-size: 1.4rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.feature-item p {
    color: var(--text-light);
    line-height: 1.7;
}

/* Contact Section */
.contact {
    background: linear-gradient(135deg, var(--bg-light) 0%, #fff 100%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-top: 50px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.contact-item p {
    color: var(--text-dark);
    font-size: 1.05rem;
    line-height: 1.8;
}

.phone-primary {
    font-size: 1.3rem !important;
    font-weight: bold;
    color: var(--secondary-color) !important;
}

.phone-secondary {
    margin-top: 5px;
}

.wechat-note {
    font-size: 0.95rem;
    color: var(--text-light);
    font-style: italic;
}

.contact-map {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.map-placeholder {
    width: 100%;
    height: 350px;
    background: linear-gradient(135deg, var(--bg-light) 0%, #f5e6d3 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.map-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.qr-codes {
    display: flex;
    justify-content: space-around;
    padding: 30px;
    background: var(--bg-light);
}

.qr-code {
    text-align: center;
}

.qr-code img {
    width: 120px;
    height: 120px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    background: white;
    padding: 10px;
}

.qr-code p {
    margin-top: 10px;
    font-weight: 600;
    color: var(--primary-color);
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    border-bottom: 2px solid rgba(255,255,255,0.3);
    padding-bottom: 10px;
}

.footer-section p,
.footer-section li {
    margin-bottom: 10px;
    opacity: 0.9;
    line-height: 1.8;
}

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

.footer-section a {
    color: white;
    text-decoration: none;
    transition: opacity 0.3s;
}

.footer-section a:hover {
    opacity: 0.7;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.3);
    font-size: 0.95rem;
}

.footer-bottom p {
    margin-bottom: 10px;
}

.footer-bottom a {
    color: white;
    text-decoration: underline;
}

.keywords-footer {
    font-size: 0.85rem;
    opacity: 0.8;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--secondary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 1.5rem;
    box-shadow: var(--shadow-hover);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 999;
}

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

.back-to-top:hover {
    background: var(--primary-color);
    transform: translateY(-5px);
}

/* Responsive Design */
@media (max-width: 968px) {
    .header .container {
        flex-direction: column;
        text-align: center;
    }
    
    .nav {
        margin-top: 15px;
    }
    
    .nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }
    
    .hero-content h2 {
        font-size: 2.5rem;
    }
    
    .hero-tagline {
        font-size: 1.4rem;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }
}

@media (max-width: 640px) {
    html {
        font-size: 14px;
    }
    
    .hero {
        padding: 80px 20px;
    }
    
    .hero-content h2 {
        font-size: 2rem;
    }
    
    section {
        padding: 50px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .craft-steps {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

/* Print Styles */
@media print {
    .header,
    .nav,
    .back-to-top,
    .cta-button {
        display: none;
    }
    
    section {
        page-break-inside: avoid;
    }
}