:root {
    --primary-color: #b8860b;
    --primary-dark: #8b6914;
    --primary-light: #daa520;
    --secondary-color: #1a1a2e;
    --accent-gold: #d4af37;
    --accent-copper: #b87333;
    --bg-primary: #fafafa;
    --bg-secondary: #f5f5f5;
    --bg-card: #ffffff;
    --text-primary: #2c2c2c;
    --text-secondary: #666666;
    --text-light: #999999;
    --border-color: #e0e0e0;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --gradient-gold: linear-gradient(135deg, #b8860b 0%, #d4af37 50%, #daa520 100%);
    --gradient-metal: linear-gradient(135deg, #8b6914 0%, #b8860b 50%, #d4af37 100%);
    --font-serif: 'Noto Serif SC', 'Songti SC', serif;
    --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    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;
}

.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.logo-section {
    flex-shrink: 0;
}

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

.logo-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-gold);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    box-shadow: 0 4px 12px rgba(184, 134, 11, 0.3);
}

.logo-text h1 {
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 700;
    color: var(--secondary-color);
    letter-spacing: 2px;
}

.logo-text span {
    font-size: 12px;
    color: var(--text-light);
    letter-spacing: 1px;
}

.main-nav {
    flex: 1;
}

.nav-list {
    display: flex;
    gap: 8px;
}

.nav-link {
    padding: 10px 20px;
    font-size: 15px;
    color: var(--text-secondary);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    border-radius: 8px;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    background: rgba(184, 134, 11, 0.08);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background: var(--gradient-gold);
    border-radius: 2px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
}

.search-box {
    display: flex;
    align-items: center;
    background: var(--bg-secondary);
    border-radius: 25px;
    padding: 8px 16px;
    gap: 8px;
    border: 1px solid transparent;
    transition: all 0.3s ease;
}

.search-box:focus-within {
    border-color: var(--primary-color);
    background: white;
    box-shadow: 0 2px 8px rgba(184, 134, 11, 0.15);
}

.search-box input {
    border: none;
    background: transparent;
    outline: none;
    font-size: 14px;
    width: 160px;
    color: var(--text-primary);
}

.search-box input::placeholder {
    color: var(--text-light);
}

.search-btn {
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    transition: color 0.3s ease;
}

.search-btn:hover {
    color: var(--primary-color);
}

.contact-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--gradient-gold);
    color: white;
    border: none;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(184, 134, 11, 0.3);
}

.contact-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(184, 134, 11, 0.4);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-primary);
    cursor: pointer;
}

.hero-section {
    position: relative;
    height: 100vh;
    min-height: 600px;
    margin-top: 80px;
    overflow: hidden;
}

.hero-slider {
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    opacity: 0;
    transition: opacity 0.8s ease;
}

.slide.active {
    opacity: 1;
}

.slide-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    color: white;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 30px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 24px;
    letter-spacing: 2px;
}

.slide-content h2 {
    font-family: var(--font-serif);
    font-size: 56px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: 4px;
}

.slide-content p {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 40px;
    max-width: 500px;
}

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

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: white;
    color: var(--secondary-color);
    border-radius: 30px;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 30px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.hero-decoration {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1;
}

.deco-circle {
    width: 400px;
    height: 400px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: rotate 30s linear infinite;
}

.deco-line {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    animation: rotate 20s linear infinite reverse;
}

@keyframes rotate {
    from { transform: translateY(-50%) rotate(0deg); }
    to { transform: translateY(-50%) rotate(360deg); }
}

.slider-controls {
    position: absolute;
    bottom: 180px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 200px;
    z-index: 10;
}

.slider-btn {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    color: white;
    font-size: 24px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.slider-btn:hover {
    background: white;
    color: var(--secondary-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.slider-dots {
    display: flex;
    gap: 10px;
}

.dot {
    width: 12px;
    height: 12px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active,
.dot:hover {
    background: white;
    transform: scale(1.2);
}

.features-bar {
    background: white;
    padding: 30px 0;
    box-shadow: var(--shadow-sm);
    position: relative;
    z-index: 10;
    margin-top: -60px;
}

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

.feature-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.feature-item > i {
    width: 50px;
    height: 50px;
    background: var(--gradient-gold);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 22px;
    flex-shrink: 0;
}

.feature-item h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

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

.products-section {
    padding: 80px 0;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 40px;
}

.section-header.centered {
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.section-header.left {
    align-items: flex-start;
}

.section-title {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.section-header.centered .section-title {
    align-items: center;
}

.title-icon {
    width: 44px;
    height: 44px;
    background: var(--gradient-gold);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    margin-bottom: 12px;
}

.section-title h2 {
    font-family: var(--font-serif);
    font-size: 32px;
    font-weight: 700;
    color: var(--secondary-color);
    letter-spacing: 2px;
    margin-bottom: 8px;
}

.section-title p {
    font-size: 14px;
    color: var(--text-light);
}

.view-more {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.view-more:hover {
    gap: 12px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.product-card {
    background: var(--bg-card);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
}

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

.product-image {
    position: relative;
    height: 220px;
    overflow: hidden;
    background: linear-gradient(135deg, #f8f8f8 0%, #f0f0f0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-image i {
    font-size: 64px;
    color: var(--primary-light);
    opacity: 0.6;
}

.product-tag {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 12px;
    background: var(--gradient-gold);
    color: white;
    font-size: 12px;
    font-weight: 500;
    border-radius: 20px;
}

.product-info {
    padding: 20px;
}

.product-info h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.product-info p {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.product-price {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-color);
}

.product-sales {
    font-size: 12px;
    color: var(--text-light);
}

.product-actions {
    position: absolute;
    bottom: 20px;
    right: 20px;
    display: flex;
    gap: 8px;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.product-card:hover .product-actions {
    opacity: 1;
    transform: translateY(0);
}

.product-action-btn {
    width: 36px;
    height: 36px;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.product-action-btn:hover {
    background: var(--gradient-gold);
    color: white;
    border-color: transparent;
}

.category-section {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.category-card {
    background: var(--bg-card);
    padding: 30px 20px;
    border-radius: 16px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

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

.category-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-gold);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 26px;
    margin: 0 auto 16px;
}

.category-card h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.category-card p {
    font-size: 12px;
    color: var(--text-light);
    margin-bottom: 12px;
    line-height: 1.5;
}

.product-count {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(184, 134, 11, 0.1);
    color: var(--primary-color);
    font-size: 12px;
    font-weight: 500;
    border-radius: 20px;
}

.all-products-section {
    padding: 80px 0;
}

.filter-bar {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.filter-btn {
    padding: 8px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 25px;
    font-size: 13px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.filter-btn.active {
    background: var(--gradient-gold);
    color: white;
    border-color: transparent;
}

.all-products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.load-more-container {
    text-align: center;
    margin-top: 40px;
}

.load-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 40px;
    background: var(--bg-card);
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.load-more-btn:hover {
    background: var(--gradient-gold);
    color: white;
    border-color: transparent;
}

.about-section {
    padding: 100px 0;
    background: var(--secondary-color);
    color: white;
}

.about-section .section-title h2,
.about-section .section-title p {
    color: white;
}

.about-section .title-icon {
    background: rgba(255, 255, 255, 0.15);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text p {
    font-size: 15px;
    line-height: 1.8;
    opacity: 0.85;
    margin-bottom: 20px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin: 40px 0;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 36px;
    font-weight: 700;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 13px;
    opacity: 0.7;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    opacity: 0.85;
}

.about-feature i {
    color: var(--primary-light);
}

.about-gallery {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.gallery-main {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    height: 300px;
}

.gallery-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
    color: white;
    font-size: 16px;
    font-weight: 500;
}

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

.gallery-item {
    border-radius: 12px;
    overflow: hidden;
    height: 150px;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.process-section {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.process-steps {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-top: 60px;
}

.process-step {
    flex: 1;
    text-align: center;
    position: relative;
}

.step-number {
    position: absolute;
    top: -10px;
    right: 20%;
    font-size: 48px;
    font-weight: 700;
    color: rgba(184, 134, 11, 0.1);
    font-family: var(--font-serif);
}

.step-icon {
    width: 80px;
    height: 80px;
    background: var(--bg-card);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 28px;
    color: var(--primary-color);
    box-shadow: var(--shadow-md);
    position: relative;
    z-index: 1;
}

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

.process-step p {
    font-size: 13px;
    color: var(--text-light);
    max-width: 150px;
    margin: 0 auto;
}

.process-connector {
    flex: 0.3;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-light), transparent);
    margin-top: 40px;
    opacity: 0.3;
}

.contact-section {
    padding: 100px 0;
}

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

.contact-info h3 {
    font-family: var(--font-serif);
    font-size: 28px;
    color: var(--secondary-color);
    margin-bottom: 12px;
}

.contact-info > p {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 30px;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.contact-item > i {
    width: 44px;
    height: 44px;
    background: rgba(184, 134, 11, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 18px;
}

.contact-item .label {
    display: block;
    font-size: 12px;
    color: var(--text-light);
    margin-bottom: 4px;
}

.contact-item .value {
    display: block;
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 500;
}

.contact-form-wrapper {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

.contact-form h4 {
    font-size: 20px;
    color: var(--secondary-color);
    margin-bottom: 24px;
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-size: 14px;
    color: var(--text-primary);
    background: var(--bg-secondary);
    transition: all 0.3s ease;
    outline: none;
    font-family: var(--font-sans);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    background: white;
    box-shadow: 0 2px 8px rgba(184, 134, 11, 0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-light);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

.submit-btn {
    width: 100%;
    padding: 16px;
    background: var(--gradient-gold);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(184, 134, 11, 0.3);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(184, 134, 11, 0.4);
}

.consultation-widget {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
}

.consult-trigger {
    width: 60px;
    height: 60px;
    background: var(--gradient-gold);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(184, 134, 11, 0.4);
    transition: all 0.3s ease;
}

.consult-trigger:hover {
    transform: scale(1.1);
}

.consult-trigger span {
    display: none;
}

.consult-panel {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 380px;
    background: var(--bg-card);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    display: none;
    animation: slideUp 0.3s ease;
}

.consult-panel.show {
    display: block;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: var(--gradient-gold);
    color: white;
}

.panel-header h4 {
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.panel-close {
    background: none;
    border: none;
    color: white;
    font-size: 18px;
    cursor: pointer;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.panel-close:hover {
    opacity: 1;
}

.panel-body {
    padding: 20px;
    max-height: 350px;
    overflow-y: auto;
}

.chat-messages {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.chat-message {
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.chat-message.sent {
    flex-direction: row-reverse;
}

.chat-message .message-bubble {
    max-width: 80%;
}

.chat-message.sent .message-bubble {
    background: var(--gradient-gold);
    color: white;
    border-radius: 12px;
    border-top-right-radius: 4px;
}

.chat-message.received .message-bubble {
    background: var(--bg-secondary);
    border-radius: 12px;
    border-top-left-radius: 4px;
}

.chat-message .avatar {
    width: 32px;
    height: 32px;
    background: var(--bg-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    flex-shrink: 0;
    font-size: 14px;
}

.chat-message.sent .avatar {
    background: rgba(184, 134, 11, 0.2);
}

.welcome-message {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.welcome-message .avatar {
    width: 32px;
    height: 32px;
    background: var(--bg-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    flex-shrink: 0;
    font-size: 14px;
}

.message-bubble {
    background: var(--bg-secondary);
    padding: 12px 16px;
    border-radius: 12px;
    border-top-left-radius: 4px;
    font-size: 13px;
    color: var(--text-primary);
    line-height: 1.6;
}

.quick-questions {
    margin-bottom: 20px;
}

.quick-questions h5 {
    font-size: 12px;
    color: var(--text-light);
    margin-bottom: 12px;
}

.question-btn {
    display: block;
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 13px;
    color: var(--text-primary);
    text-align: left;
    cursor: pointer;
    margin-bottom: 8px;
    transition: all 0.3s ease;
}

.question-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.panel-input {
    display: flex;
    gap: 10px;
}

.panel-input input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 25px;
    font-size: 13px;
    outline: none;
}

.panel-input input:focus {
    border-color: var(--primary-color);
}

.panel-input button {
    width: 40px;
    height: 40px;
    background: var(--gradient-gold);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.panel-input button:hover {
    transform: scale(1.1);
}

.panel-footer {
    padding: 12px 20px;
    background: var(--bg-secondary);
    text-align: center;
    font-size: 13px;
    color: var(--text-light);
}

.panel-footer i {
    color: var(--primary-color);
    margin-right: 6px;
}

.main-footer {
    background: var(--secondary-color);
    color: white;
}

.footer-top {
    padding: 60px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr) 1fr;
    gap: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-logo i {
    color: var(--primary-light);
}

.footer-about p {
    font-size: 13px;
    opacity: 0.7;
    line-height: 1.8;
    margin-bottom: 20px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--gradient-gold);
}

.footer-links h4 {
    font-size: 16px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 12px;
}

.footer-links h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--gradient-gold);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 13px;
    opacity: 0.7;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--primary-light);
}

.footer-qrcode {
    text-align: center;
}

.qrcode-placeholder {
    width: 100px;
    height: 100px;
    background: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
    font-size: 48px;
    color: var(--text-light);
}

.footer-qrcode p {
    font-size: 12px;
    opacity: 0.7;
}

.footer-bottom {
    padding: 20px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    opacity: 0.6;
}

.footer-bottom a {
    color: var(--primary-light);
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 20px;
}

.modal.show {
    display: flex;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: var(--bg-card);
    border-radius: 20px;
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: scaleIn 0.3s ease;
}

@keyframes scaleIn {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: var(--bg-secondary);
    border: none;
    border-radius: 50%;
    font-size: 18px;
    color: var(--text-secondary);
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: var(--primary-color);
    color: white;
}

.modal-body {
    padding: 40px;
}

.toast {
    position: fixed;
    top: 100px;
    left: 50%;
    transform: translateX(-50%) translateY(-100px);
    background: var(--secondary-color);
    color: white;
    padding: 14px 28px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    z-index: 3000;
    opacity: 0;
    transition: all 0.3s ease;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast i {
    color: #4caf50;
}

.hot-section {
    background: linear-gradient(180deg, var(--bg-primary) 0%, #fff9e6 100%);
}

.new-section {
    background: linear-gradient(180deg, #fff9e6 0%, var(--bg-secondary) 100%);
}

@media (max-width: 1200px) {
    .category-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-qrcode {
        grid-column: span 3;
    }
}

@media (max-width: 992px) {
    .header-actions {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-list {
        display: none;
    }
    
    .slide-content h2 {
        font-size: 40px;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-grid,
    .all-products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero-section {
        min-height: 500px;
    }
    
    .slide-content h2 {
        font-size: 32px;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .products-grid,
    .all-products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-steps {
        flex-wrap: wrap;
        gap: 30px;
    }
    
    .process-connector {
        display: none;
    }
    
    .process-step {
        flex: 0 0 calc(50% - 15px);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .consult-panel {
        width: 320px;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-qrcode {
        grid-column: span 2;
    }
}

@media (max-width: 480px) {
    .slide-content h2 {
        font-size: 26px;
    }
    
    .products-grid,
    .all-products-grid {
        grid-template-columns: 1fr;
    }
    
    .category-grid {
        grid-template-columns: 1fr;
    }
    
    .filter-bar {
        flex-wrap: wrap;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-qrcode {
        grid-column: span 1;
    }
}

.admin-toggle {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 50px;
    height: 50px;
    background: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    cursor: pointer;
    z-index: 998;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.admin-toggle:hover {
    transform: scale(1.1);
    background: var(--primary-color);
}

.admin-panel {
    position: fixed;
    top: 0;
    left: -400px;
    width: 400px;
    height: 100vh;
    background: var(--bg-card);
    z-index: 999;
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.2);
    transition: left 0.3s ease;
    display: flex;
    flex-direction: column;
}

.admin-panel.show {
    left: 0;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: var(--secondary-color);
    color: white;
}

.admin-header h3 {
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.admin-close {
    background: none;
    border: none;
    color: white;
    font-size: 18px;
    cursor: pointer;
}

.admin-body {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

.admin-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.admin-tab {
    flex: 1;
    padding: 10px;
    background: var(--bg-secondary);
    border: none;
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.admin-tab.active {
    background: var(--gradient-gold);
    color: white;
}

.admin-search {
    margin-bottom: 15px;
}

.admin-search input {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    outline: none;
}

.admin-search input:focus {
    border-color: var(--primary-color);
}

.admin-product-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.admin-product-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: 10px;
}

.admin-product-item .product-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-gold);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
    flex-shrink: 0;
}

.admin-product-item .product-info {
    flex: 1;
    min-width: 0;
}

.admin-product-item .product-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.admin-product-item .product-meta {
    font-size: 12px;
    color: var(--text-light);
}

.admin-product-item .product-actions {
    display: flex;
    gap: 6px;
}

.admin-product-item .action-btn {
    width: 30px;
    height: 30px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    transition: all 0.3s ease;
}

.action-btn.edit {
    background: rgba(184, 134, 11, 0.1);
    color: var(--primary-color);
}

.action-btn.delete {
    background: rgba(220, 53, 69, 0.1);
    color: #dc3545;
}

.action-btn.edit:hover {
    background: var(--gradient-gold);
    color: white;
}

.action-btn.delete:hover {
    background: #dc3545;
    color: white;
}

#productForm .form-group {
    margin-bottom: 15px;
}

#productForm label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 6px;
}

#productForm input[type="text"],
#productForm input[type="number"],
#productForm select,
#productForm textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    outline: none;
    background: var(--bg-secondary);
    font-family: var(--font-sans);
}

#productForm input:focus,
#productForm select:focus,
#productForm textarea:focus {
    border-color: var(--primary-color);
    background: white;
}

.checkbox-label {
    display: flex !important;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.checkbox-label input {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
}

.form-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.btn-save {
    flex: 1;
    padding: 12px;
    background: var(--gradient-gold);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-save:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(184, 134, 11, 0.3);
}

.btn-cancel {
    flex: 1;
    padding: 12px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-cancel:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.admin-empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-light);
}

.admin-empty i {
    font-size: 40px;
    margin-bottom: 10px;
}