:root {
            --primary-color: #d4a55a;
            --secondary-color: #8b4513;
            --accent-color: #a0522d;
            --light-color: #f8f0e3;
            --dark-color: #5c3d1a;
            --text-color: #333;
            --text-light: #666;
            --shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            color: var(--text-color);
            overflow-x: hidden;
            line-height: 1.7;
        }
        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            color: var(--dark-color);
            margin-bottom: 1rem;
        }
        h1 {
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            position: relative;
            display: inline-block;
        }
        h1:after {
            content: '';
            position: absolute;
            width: 60%;
            height: 4px;
            background: var(--primary-color);
            bottom: -10px;
            left: 0;
            border-radius: 2px;
        }
        h2 {
            font-size: 2.2rem;
            position: relative;
            padding-bottom: 15px;
        }
        h2:after {
            content: '';
            position: absolute;
            width: 80px;
            height: 3px;
            background: var(--primary-color);
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            border-radius: 2px;
        }
        .text-center h2:after {
            left: 50%;
            transform: translateX(-50%);
        }
        .section-padding {
            padding: 80px 0;
        }
        .bg-light-custom {
            background-color: var(--light-color);
        }
        .navbar {
            background-color: rgba(255, 255, 255, 0.98);
            box-shadow: var(--shadow);
            padding: 15px 0;
            transition: var(--transition);
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--dark-color);
            display: flex;
            align-items: center;
        }
        .navbar-brand i {
            color: var(--primary-color);
            margin-right: 10px;
            font-size: 1.5rem;
        }
        .navbar-nav .nav-link {
            color: var(--dark-color);
            font-weight: 500;
            margin: 0 8px;
            padding: 8px 15px;
            border-radius: 4px;
            transition: var(--transition);
        }
        .navbar-nav .nav-link:hover, .navbar-nav .nav-link.active {
            background-color: var(--primary-color);
            color: white;
        }
        .navbar-toggler {
            border: 1px solid var(--primary-color);
            padding: 5px 10px;
        }
        .navbar-toggler:focus {
            box-shadow: none;
        }
        .hero {
            background: linear-gradient(rgba(92, 61, 26, 0.85), rgba(139, 69, 19, 0.9)), url('https://images.unsplash.com/photo-1565299624946-b28f40a0ca4b?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            color: white;
            padding: 150px 0 120px;
            position: relative;
        }
        .hero h1 {
            color: white;
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
        }
        .hero h1:after {
            background: var(--primary-color);
            left: 0;
            width: 120px;
        }
        .hero p {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            max-width: 800px;
        }
        .hero-btn {
            background-color: var(--primary-color);
            border: 2px solid var(--primary-color);
            color: white;
            padding: 12px 30px;
            font-weight: 600;
            border-radius: 30px;
            transition: var(--transition);
            display: inline-block;
            text-decoration: none;
        }
        .hero-btn:hover {
            background-color: transparent;
            color: var(--primary-color);
            transform: translateY(-3px);
        }
        .card {
            border: none;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }
        .card-img-top {
            height: 220px;
            object-fit: cover;
            transition: var(--transition);
        }
        .card:hover .card-img-top {
            transform: scale(1.05);
        }
        .card-body {
            padding: 25px;
        }
        .card-title {
            color: var(--dark-color);
            font-size: 1.4rem;
            margin-bottom: 15px;
        }
        .product-card {
            border: 1px solid rgba(212, 165, 90, 0.2);
            border-radius: 10px;
            overflow: hidden;
            transition: var(--transition);
        }
        .product-card:hover {
            border-color: var(--primary-color);
        }
        .product-img {
            height: 250px;
            object-fit: cover;
        }
        .product-price {
            color: var(--accent-color);
            font-weight: 700;
            font-size: 1.2rem;
        }
        .about-img {
            border-radius: 10px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .about-img img {
            width: 100%;
            height: auto;
            transition: var(--transition);
        }
        .about-img:hover img {
            transform: scale(1.03);
        }
        .feature-icon {
            width: 60px;
            height: 60px;
            background-color: rgba(212, 165, 90, 0.15);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            color: var(--primary-color);
            font-size: 1.5rem;
        }
        .contact-form .form-control {
            padding: 12px 15px;
            border: 1px solid #ddd;
            border-radius: 5px;
            margin-bottom: 20px;
            transition: var(--transition);
        }
        .contact-form .form-control:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 0.25rem rgba(212, 165, 90, 0.25);
        }
        .contact-info {
            background-color: var(--light-color);
            padding: 30px;
            border-radius: 10px;
            height: 100%;
        }
        .contact-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 25px;
        }
        .contact-icon {
            width: 50px;
            height: 50px;
            background-color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-color);
            font-size: 1.2rem;
            margin-right: 15px;
            flex-shrink: 0;
        }
        .footer {
            background-color: var(--dark-color);
            color: rgba(255, 255, 255, 0.85);
            padding: 70px 0 20px;
        }
        .footer h5 {
            color: white;
            margin-bottom: 25px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer h5:after {
            content: '';
            position: absolute;
            width: 40px;
            height: 2px;
            background: var(--primary-color);
            bottom: 0;
            left: 0;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            display: block;
            margin-bottom: 10px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--primary-color);
            padding-left: 5px;
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            margin-top: 50px;
            text-align: center;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
        }
        .friendlink {
            background-color: #f9f9f9;
            padding: 60px 0;
        }
        .flink {
            display: inline-block;
            background-color: white;
            padding: 12px 25px;
            margin: 8px;
            border-radius: 5px;
            text-decoration: none;
            color: var(--text-color);
            border: 1px solid #eee;
            transition: var(--transition);
            font-weight: 500;
        }
        .flink:hover {
            border-color: var(--primary-color);
            color: var(--primary-color);
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }
        @media (max-width: 992px) {
            h1 {
                font-size: 2.5rem;
            }
            h2 {
                font-size: 2rem;
            }
            .hero {
                padding: 120px 0 80px;
                background-attachment: scroll;
            }
            .hero h1 {
                font-size: 2.8rem;
            }
            .section-padding {
                padding: 60px 0;
            }
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero p {
                font-size: 1.1rem;
            }
            .navbar-brand {
                font-size: 1.5rem;
            }
        }
        .fade-in {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }
        .breadcrumb {
            background-color: transparent;
            padding: 0;
            margin-bottom: 30px;
        }
        .breadcrumb-item.active {
            color: var(--primary-color);
        }
        .badge-custom {
            background-color: var(--primary-color);
            color: white;
            padding: 5px 12px;
            border-radius: 20px;
            font-weight: 500;
            font-size: 0.85rem;
        }
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }
        .timeline:before {
            content: '';
            position: absolute;
            width: 3px;
            background-color: var(--primary-color);
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -1.5px;
        }
        .timeline-item {
            padding: 10px 40px;
            position: relative;
            width: 50%;
            box-sizing: border-box;
            margin-bottom: 50px;
        }
        .timeline-item:nth-child(odd) {
            left: 0;
        }
        .timeline-item:nth-child(even) {
            left: 50%;
        }
        .timeline-content {
            padding: 20px;
            background-color: white;
            border-radius: 10px;
            box-shadow: var(--shadow);
            position: relative;
        }
        .timeline-content:after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            background-color: white;
            transform: rotate(45deg);
            top: 15px;
        }
        .timeline-item:nth-child(odd) .timeline-content:after {
            right: -10px;
        }
        .timeline-item:nth-child(even) .timeline-content:after {
            left: -10px;
        }
        .timeline-date {
            font-weight: 700;
            color: var(--primary-color);
            margin-bottom: 10px;
        }
        .timeline-icon {
            position: absolute;
            width: 40px;
            height: 40px;
            background-color: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            top: 15px;
            z-index: 1;
        }
        .timeline-item:nth-child(odd) .timeline-icon {
            right: -20px;
        }
        .timeline-item:nth-child(even) .timeline-icon {
            left: -20px;
        }
        @media (max-width: 768px) {
            .timeline:before {
                left: 31px;
            }
            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
                left: 0 !important;
            }
            .timeline-item:nth-child(even) .timeline-content:after {
                left: auto;
                right: -10px;
            }
            .timeline-item .timeline-icon {
                left: 10px !important;
                right: auto !important;
            }
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background-color: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            text-decoration: none;
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
        }
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background-color: var(--dark-color);
            color: white;
            transform: translateY(-5px);
        }