* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Noto Sans SC', sans-serif;
            color: #333;
            line-height: 1.6;
            min-width: 1920px;
            background-color: #f5f5f5;
        }
        
        /* 响应式布局 - 在移动设备上调整最小宽度 */
        @media (max-width: 1920px) {
            body {
                min-width: 100%;
            }
        }
        
        .container {
            width: 100%;
            max-width: 1920px;
            margin: 0 auto;
        }
        
        /* 第一行 - Logo */
        .header {
            background-color: #000;
            padding: 20px 0;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        
        .logo-container {
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 0 40px;
        }
        
        .logo {
            height: 80px;
            display: flex;
            align-items: center;
        }
        
        .logo img {
            height: 100%;
            max-width: 100%;
            filter: brightness(0) invert(1); /* 使logo变为白色以适应黑色背景 */
        }
        
        .logo-text {
            margin-left: 20px;
            font-size: 32px;
            font-weight: 700;
            color: #fff;
        }
        
        .logo-text span {
            color: #c62828; /* 红色强调 */
        }
        
        /* 第二行 - 轮播图 */
        .carousel-section {
            width: 100%;
            overflow: hidden;
            position: relative;
            background-color: #212121;
        }
        
        .carousel {
            height: 600px;
            position: relative;
            overflow: hidden;
        }
        
        .carousel-slide {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0;
            transition: opacity 1s ease-in-out;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .carousel-slide.active {
            opacity: 1;
        }
        
        .carousel-slide img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .carousel-caption {
            position: absolute;
            bottom: 60px;
            left: 50%;
            transform: translateX(-50%);
            background-color: rgba(198, 40, 40, 0.9); /* 红色背景 */
            color: #fff;
            padding: 30px 50px;
            border-radius: 8px;
            text-align: center;
            max-width: 80%;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
        }
        
        .carousel-caption h2 {
            font-size: 36px;
            margin-bottom: 15px;
        }
        
        .carousel-caption p {
            font-size: 20px;
            max-width: 800px;
        }
        
        .carousel-controls {
            position: absolute;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 10px;
        }
        
        .carousel-control {
            width: 15px;
            height: 15px;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.5);
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .carousel-control.active {
            background-color: #c62828; /* 红色 */
            transform: scale(1.2);
        }
        
        /* 第三行 - 代理品牌 */
        .brands-section {
            padding: 80px 40px;
            background-color: #f5f5f5;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 60px;
            color: #212121;
            font-size: 36px;
            position: relative;
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 4px;
            background-color: #c62828; /* 红色 */
        }
        
        .brands-container {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            max-width: 1600px;
            margin: 0 auto;
        }
        
        .brand-card {
            background-color: #fff;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border-top: 4px solid #c62828; /* 红色边框顶部 */
        }
        
        .brand-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(198, 40, 40, 0.15);
        }
        
        .brand-logo {
            height: 180px;
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: #212121;
            padding: 20px;
        }
        
        .brand-logo img {
            max-height: 100%;
            max-width: 100%;
        }
        
        .brand-content {
            padding: 30px;
        }
        
        .brand-title {
            font-size: 24px;
            margin-bottom: 15px;
            color: #212121;
        }
        
        .brand-description {
            color: #666;
            margin-bottom: 25px;
            line-height: 1.8;
        }
        
        .buy-button {
            display: inline-block;
            background-color: #c62828; /* 红色 */
            color: white;
            padding: 12px 30px;
            border-radius: 4px;
            text-decoration: none;
            font-weight: 500;
            transition: background-color 0.3s, transform 0.2s;
        }
        
        .buy-button:hover {
            background-color: #b71c1c; /* 深红色 */
            transform: translateY(-2px);
        }
        
        /* 第四行 - Logo和企业标语 */
        .slogan-section {
            padding: 80px 40px;
            background-color: #212121;
        }
        
        .slogan-container {
            display: flex;
            align-items: center;
            justify-content: center;
            max-width: 1200px;
            margin: 0 auto;
        }
        
        .slogan-logo {
            height: 150px;
            margin-right: 50px;
        }
        
        .slogan-logo img {
            height: 100%;
            max-width: 100%;
            filter: brightness(0) invert(1); /* 使logo变为白色以适应黑色背景 */
        }
        
        .slogan-text {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            line-height: 1.4;
        }
        
        .slogan-text span {
            color: #c62828; /* 红色强调 */
        }
        
        /* 第五行 - 版权和联系方式 */
        .footer {
            background-color: #000;
            color: #e0e0e0;
            padding: 40px 0 30px;
        }
        
        .footer-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 40px;
            max-width: 1600px;
            margin: 0 auto;
        }
        
        .copyright {
            font-size: 16px;
            color: #b0b0b0;
        }
        
        .contact-info {
            text-align: right;
        }
        
        .contact-info h3 {
            font-size: 20px;
            margin-bottom: 10px;
            color: #fff;
        }
        
        .phone-number {
            font-size: 28px;
            font-weight: 700;
            color: #c62828; /* 红色 */
        }
        
        .footer-bottom {
            text-align: center;
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid #333;
            font-size: 14px;
            color: #9e9e9e;
        }
        
        /* 响应式设计 */
        @media (max-width: 1200px) {
            .brands-container {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .slogan-text {
                font-size: 28px;
            }
        }
        
        @media (max-width: 992px) {
            .carousel {
                height: 500px;
            }
            
            .carousel-caption h2 {
                font-size: 30px;
            }
            
            .carousel-caption p {
                font-size: 18px;
            }
            
            .slogan-container {
                flex-direction: column;
                text-align: center;
            }
            
            .slogan-logo {
                margin-right: 0;
                margin-bottom: 30px;
            }
        }
        
        @media (max-width: 768px) {
            body {
                min-width: 100%;
            }
            
            .logo-text {
                font-size: 24px;
            }
            
            .carousel {
                height: 400px;
            }
            
            .carousel-caption {
                padding: 20px;
                bottom: 30px;
            }
            
            .carousel-caption h2 {
                font-size: 24px;
            }
            
            .carousel-caption p {
                font-size: 16px;
            }
            
            .brands-container {
                grid-template-columns: 1fr;
            }
            
            .brands-section, .slogan-section {
                padding: 60px 20px;
            }
            
            .section-title {
                font-size: 28px;
            }
            
            .footer-content {
                flex-direction: column;
                text-align: center;
            }
            
            .contact-info {
                text-align: center;
                margin-top: 20px;
            }
            
            .phone-number {
                font-size: 24px;
            }
        }
        
        @media (max-width: 576px) {
            .logo-container {
                padding: 0 20px;
            }
            
            .logo {
                height: 60px;
            }
            
            .logo-text {
                font-size: 20px;
            }
            
            .carousel {
                height: 300px;
            }
            
            .carousel-caption {
                padding: 15px;
                bottom: 20px;
            }
            
            .carousel-caption h2 {
                font-size: 20px;
                margin-bottom: 10px;
            }
            
            .carousel-caption p {
                font-size: 14px;
            }
            
            .slogan-text {
                font-size: 24px;
            }
        }