@charset "utf-8";
/**
*   MYZHAN Copyright (C)2008-2066
*   This is NOT a freeware,Use is subject to license.txt
*/
#footb{height:0}
*{box-sizing: border-box;}
p{margin:0;padding:0}
/* 首屏：生态星系震撼入口 */
        .hero-section {
            position: relative;
            height: 100vh;
            min-height: 700px;
            overflow: hidden;
            box-sizing: border-box;
        }

        /* 海尔星空图背景 */
        .haier-star-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: url('index/photo-1462331940025-496dfbfc7564.avif');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            z-index: 1;
        }

        /* 添加深色遮罩层，匹配简塑官网的渐变效果 */
        .haier-star-bg::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(10, 27, 61, 0.85) 0%, rgba(26, 43, 77, 0.7) 50%, rgba(42, 59, 109, 0.6) 100%);
            z-index: 2;
        }

        /* 英雄内容区域 - 左侧文字 */
        .hero-content {
            position: relative;
            width: 50%;
            color: white;
            z-index: 4;
            padding: 120px 40px 60px 5%;
            display: flex;
            flex-direction: column;
            justify-content: center;
            height: 100%;
            box-sizing: border-box;
        }

        .hero-tagline {
            font-size: 1.1rem;
            letter-spacing: 2px;
            margin-bottom: 20px;
            color: var(--secondary-blue);
            display: flex;
            align-items: center;
            font-weight: 600;
        }

        .hero-tagline i {
            margin-right: 10px;
        }

        .hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 1.5rem;
            color: var(--white);
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
        }

        .hero-title span {
            color: var(--accent-teal);
            position: relative;
            display: inline-block;
        }
        
        .hero-title span::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-teal), transparent);
            animation: underlinePulse 2s infinite;
        }
        
        @keyframes underlinePulse {
            0%, 100% { opacity: 0.5; }
            50% { opacity: 1; }
        }

        .hero-subtitle {
            font-size: 1.5rem;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 2.5rem;
            max-width: 600px;
            line-height: 1.6;
        }

        .hero-actions {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        /* 重新设计的主按钮 */
        .hero-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 16px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            position: relative;
            overflow: hidden;
            z-index: 1;
            min-width: 200px;
            text-decoration: none;
            box-sizing: border-box;
        }
        a.hero-btn {color:#ffffff;}
        
        .hero-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
            transition: var(--transition);
        }
        
        .hero-btn-primary {
            background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
            color: var(--white);
            box-shadow: 0 10px 30px rgba(0, 82, 204, 0.3);
        }
        
        .hero-btn-primary:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(0, 82, 204, 0.4);
        }
        
        .hero-btn-primary::before {
            background: linear-gradient(135deg, var(--secondary-blue), var(--accent-teal));
            opacity: 0;
        }
        
        .hero-btn-primary:hover::before {
            opacity: 1;
        }
        
        .hero-btn-secondary {
            background: rgba(255, 255, 255, 0.1);
            color: var(--white);
            border: 2px solid rgba(255, 255, 255, 0.3);
            backdrop-filter: blur(10px);
        }
        
        .hero-btn-secondary:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: rgba(255, 255, 255, 0.5);
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(255, 255, 255, 0.1);
        }
        
        .hero-btn i {
            margin-left: 10px;
            transition: var(--transition);
        }
        
        .hero-btn:hover i {
            transform: translateX(5px);
        }

        /* ============================= */
        /* 第二屏：信任基石部分 - 四宫格整图设计 */
        /* ============================= */
        .g_b4top {
            padding: 80px 0;
            background-color: #f8f9fa;
        }

        .mc_cont1360 {
            width: 100%;
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 标题样式 */
        .mc_title40 {
            font-size: 40px;
            font-weight: 500;
            line-height: 1.2;
            color: #000;
            margin-bottom: 15px;
            text-align: center;
        }

        /* 主内容区域 - 完全不同的布局：左边文字，右边四个方格的整图 */
        .ma_b1s1_main {
            display: flex;
            flex-wrap: wrap;
            margin-top: 50px;
            background: white;
            border-radius: 0;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            overflow: hidden;
            min-height: 520px;
            max-height: 520px;
            border: 1px solid #e0e0e0;
        }

        @media (min-width: 1200px) {
            .ma_b1s1_main {
                flex-wrap: nowrap;
            }
        }

        /* 左侧文字区域 - 调整为33%宽度 */
        .ma_b1s1m_l {
            flex: 0 0 100%;
            max-width: 100%;
            padding: 40px;
            background: white;
            border-right: 1px solid #e0e0e0;
        }

        @media (min-width: 1200px) {
            .ma_b1s1m_l {
                flex: 0 0 33%; /* 均分三分之一给文字 */
                max-width: 33%;
                padding: 50px 40px;
                display: flex;
                align-items: center;
            }
        }

        /* 单一块文字内容区域 */
        .trust-content-box {
            width: 100%;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .trust-content-item {
            display: none; /* 默认隐藏 */
            opacity: 0;
            transition: opacity 0.5s ease;
        }

        .trust-content-item.active {
            display: block; /* 激活时显示 */
            opacity: 1;
            animation: fadeIn 0.5s ease;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .trust-content-title {
            font-size: 28px;
            font-weight: 500;
            line-height: 1.3;
            color: #000;
            margin-bottom: 15px;
            position: relative;
            padding-bottom: 10px;
        }

        .trust-content-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background: #0066cc;
            border-radius: 2px;
        }

        @media (max-width: 1199px) {
            .mc_title40, .trust-content-title {
                font-size: 32px;
            }
        }

        @media (max-width: 767px) {
            .mc_title40, .trust-content-title {
                font-size: 28px;
            }
        }

        .trust-content-subtitle {
            font-size: 15px;
            color: #0066cc;
            font-weight: 500;
            margin-bottom: 15px;
            padding: 4px 10px;
            background: #f0f6ff;
            border-radius: 4px;
            display: inline-block;
        }

        .trust-content-text {
            font-size: 15px;
            line-height: 1.7;
            color: #666;
            margin-bottom: 18px;
        }

        .trust-content-text p {
            margin-bottom: 12px;
        }

        .trust-content-text p:last-child {
            margin-bottom: 0;
        }

        /* 右侧图片区域 - 调整为67%宽度 */
        .ma_b1s1m_r {
            flex: 0 0 100%;
            max-width: 100%;
            position: relative;
            min-height: 400px;
        }

        @media (min-width: 1200px) {
            .ma_b1s1m_r {
                flex: 0 0 67%; /* 均分三分之二给图片 */
                max-width: 67%;
            }
        }

        /* 新的四宫格整图容器 */
        .four-grid-container {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            grid-template-rows: repeat(2, 1fr);
            width: 100%;
            height: 100%;
            gap: 0;
            position: relative;
            overflow: hidden;
        }

        /* 四宫格背景容器 */
        .grid-bg-container {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            transition: background-image 0.5s ease;
            z-index: 1;
        }

        /* 默认背景图 */
        .four-grid-container .grid-bg-container {
            background-image: url('index/photo-1552664730-d307ca884978.avif?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80');
        }

        /* 使用CSS裁剪制作四宫格效果 */
        .grid-item {
            position: relative;
            cursor: pointer;
            overflow: hidden;
            transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            border: 1px solid rgba(255, 255, 255, 0.2);
            background-size: 200% 200%; /* 整图放大到2x2 */
            background-repeat: no-repeat;
            z-index: 2;
        }

        /* 每个格子显示整图的不同部分 - 使用默认图片 */
        .grid-item:nth-child(1) { 
            grid-column: 1 / 2; 
            grid-row: 1 / 2; 
            background-position: 0% 0%; /* 左上角 */
        }
        
        .grid-item:nth-child(2) { 
            grid-column: 2 / 3; 
            grid-row: 1 / 2; 
            background-position: 100% 0%; /* 右上角 */
        }
        
        .grid-item:nth-child(3) { 
            grid-column: 1 / 2; 
            grid-row: 2 / 3; 
            background-position: 0% 100%; /* 左下角 */
        }
        
        .grid-item:nth-child(4) { 
            grid-column: 2 / 3; 
            grid-row: 2 / 3; 
            background-position: 100% 100%; /* 右下角 */
        }

        /* 悬停效果 */
        .grid-item:hover {
            filter: brightness(1.1);
            z-index: 3;
            transform: scale(1.02);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }

        /* 激活状态 */
        .grid-item.active {
            filter: brightness(1.2);
            z-index: 4;
            border: 3px solid rgba(255, 255, 255, 0.8);
            box-shadow: 0 15px 40px rgba(0, 102, 204, 0.4);
            animation: pulseBorder 2s infinite;
        }

        @keyframes pulseBorder {
            0%, 100% { border-color: rgba(255, 255, 255, 0.8); }
            50% { border-color: rgba(255, 255, 255, 0.4); }
        }

        /* 标签样式 - 方格上的标签 */
        .grid-item-label {
            position: absolute;
            bottom: 25px;
            left: 50%;
            transform: translateX(-50%);
            color: white;
            font-size: 18px;
            font-weight: 600;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8);
            opacity: 0.9;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            background: rgba(0, 0, 0, 0.6);
            padding: 8px 18px;
            border-radius: 25px;
            backdrop-filter: blur(5px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            z-index: 5;
        }

        .grid-item:hover .grid-item-label,
        .grid-item.active .grid-item-label {
            opacity: 1;
            transform: translateX(-50%) translateY(-5px);
            background: rgba(0, 102, 204, 0.85);
            box-shadow: 0 5px 15px rgba(0, 102, 204, 0.3);
        }

        /* 按钮样式优化 */
        .btn-outline {
            display: inline-block;
            padding: 10px 24px;
            background-color: transparent;
            color: #0066cc;
            font-size: 15px;
            font-weight: 500;
            text-decoration: none;
            border-radius: 25px;
            transition: all 0.3s ease;
            border: 2px solid #0066cc;
            cursor: pointer;
            margin-top: 20px;
            position: relative;
            overflow: hidden;
        }

        .btn-outline:hover {
            background-color: #0066cc;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0, 102, 204, 0.2);
        }

        /* 简塑网特定样式优化 */
        .trust-icon {
            width: 50px;
            height: 50px;
            background: #f0f6ff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 15px;
            font-size: 20px;
            color: #0066cc;
            transition: transform 0.3s ease;
        }

        .trust-content-item.active .trust-icon {
            transform: scale(1.1);
            background: linear-gradient(135deg, #0066cc, #00a8ff);
            color: white;
            animation: iconPulse 2s infinite;
        }

        @keyframes iconPulse {
            0%, 100% { transform: scale(1.1); }
            50% { transform: scale(1.15); }
        }

        /* 响应式调整 */
        @media (max-width: 1199px) {
            .g_b4top {
                padding: 60px 0;
            }
        }

        @media (max-width: 991px) {
            .g_b4top {
                padding: 50px 0;
            }
            
            .ma_b1s1_main {
                margin-top: 40px;
            }
        }

        @media (max-width: 767px) {
            .g_b4top {
                padding: 40px 0;
            }
            
            .ma_b1s1_main {
                margin-top: 30px;
                flex-direction: column;
                max-height: none;
            }
            
            .ma_b1s1m_l {
                padding: 30px;
            }
            
            .grid-item-label {
                font-size: 14px;
                padding: 6px 12px;
                bottom: 15px;
            }
            
            .trust-icon {
                width: 45px;
                height: 45px;
                font-size: 18px;
                margin-bottom: 12px;
            }
        }

        @media (max-width: 480px) {
            .four-grid-container {
                grid-template-columns: 1fr;
                grid-template-rows: repeat(4, 1fr);
                min-height: 600px;
            }
            
            .grid-bg-container {
                background-size: 400% 100%; /* 调整背景图片大小以适应垂直布局 */
            }
            
            .grid-item {
                background-size: 400% 100%; /* 调整每个格子的背景大小 */
            }
            
            .grid-item:nth-child(1) { 
                grid-column: 1 / 2; 
                grid-row: 1 / 2; 
                background-position: 0% 0%; /* 最上面 */
            }
            
            .grid-item:nth-child(2) { 
                grid-column: 1 / 2; 
                grid-row: 2 / 3; 
                background-position: 33.33% 0%; /* 第二段 */
            }
            
            .grid-item:nth-child(3) { 
                grid-column: 1 / 2; 
                grid-row: 3 / 4; 
                background-position: 66.66% 0%; /* 第三段 */
            }
            
            .grid-item:nth-child(4) { 
                grid-column: 1 / 2; 
                grid-row: 4 / 5; 
                background-position: 100% 0%; /* 最下面 */
            }
        }

        /* ============================= */
        /* 第三屏：价值亮点部分 - 使用正确的六边形设计 */
        /* ============================= */
        
        .highlights-section {
            padding: 80px 0;
            background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
            position: relative;
            overflow: hidden;
        }
        
        .highlights-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(23, 138, 195, 0.2), transparent);
        }
        
        /* 解决方案主容器 - 左低右高布局 */
        .solution-master-container {
            display: grid;
            grid-template-columns: 45% 55%;
            gap: 40px;
            align-items: start;
            max-width: 1400px;
            margin: 0 auto;
        }
        
        /* 左侧内容区域 */
        .solution-left-content {
            display: flex;
            flex-direction: column;
            justify-content: flex-start;
            height: auto;
            margin-left: 60px;
            padding-right: 10px;
            min-height: 500px;
            margin-top: 30px;
        }
        
        /* 主标题样式 */
        .solution-left-title {
            font-size: 2.1rem;
            font-weight: 700;
            color: #1e3a8a;
            margin-bottom: 12px;
            line-height: 1.2;
            letter-spacing: -0.5px;
        }
        
        /* 副标题样式 */
        .solution-left-subtitle {
            font-size: 1rem;
            color: #4b5563;
            margin-bottom: 30px;
            line-height: 1.5;
        }
        
        /* 数据网格容器 */
        .solution-data-grid-container {
            display: flex;
            flex-direction: column;
            position: relative;
        }
        
        /* 6个长方形数据板块网格 - 3列布局 */
        .solution-data-grid.rectangle-grid.three-columns {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 15px;
            margin-bottom: 20px;
        }
        
        /* 按钮容器 */
        .solution-button-container {
            display: flex;
            justify-content: center;
            align-items: center;
            width: 100%;
            margin-top: 40px;
        }
        
        /* 长方形面板样式 */
        .rectangle-panel {
            background: white;
            border-radius: 0;
            padding: 20px 12px;
            display: flex;
            flex-direction: column;
            align-items: center;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
            border: 1px solid rgba(23, 138, 195, 0.08);
            transition: all 0.3s ease;
            cursor: pointer;
            position: relative;
            overflow: hidden;
            min-height: 120px;
            text-align: center;
            justify-content: center;
        }
        
        .rectangle-top-border {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: #178ac3;
            border-radius: 0;
            transition: all 0.3s ease;
            z-index: 2;
        }
        
        .rectangle-panel-icon {
            font-size: 1.8rem;
            margin-bottom: 10px;
            transition: all 0.3s ease;
            color: #178ac3;
        }
        
        .rectangle-panel-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            flex: 1;
            width: 100%;
            padding: 0;
        }
        
        .number-unit-container {
            display: flex;
            align-items: baseline;
            justify-content: center;
            margin-bottom: 8px;
            line-height: 1;
        }
        
        .rectangle-panel-number {
            font-size: 1.4rem;
            font-weight: 800;
            color: #178ac3;
            transition: all 0.3s ease;
        }
        
        .rectangle-panel-unit {
            font-size: 0.9rem;
            font-weight: 700;
            color: #178ac3;
            margin-left: 2px;
            transition: all 0.3s ease;
        }
        
        .rectangle-panel-main-label {
            font-size: 0.9rem;
            color: #178ac3;
            font-weight: 600;
            line-height: 1.2;
            margin-bottom: 6px;
            transition: all 0.3s ease;
        }
        
        .rectangle-panel-detail {
            font-size: 0.8rem;
            color: #4b5563;
            font-weight: 400;
            line-height: 1.3;
            transition: all 0.3s ease;
            opacity: 0.9;
            max-width: 95%;
            margin: 0 auto;
        }
        
        .rectangle-panel:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(23, 138, 195, 0.15);
            border-color: #178ac3 !important;
            background-color: #178ac3 !important;
        }
        
        .rectangle-panel:hover .rectangle-top-border {
            height: 3px;
            background: #178ac3 !important;
        }
        
        .rectangle-panel:hover .rectangle-panel-number,
        .rectangle-panel:hover .rectangle-panel-unit,
        .rectangle-panel:hover .rectangle-panel-main-label,
        .rectangle-panel:hover .rectangle-panel-detail {
            color: white !important;
        }
        
        .rectangle-panel:hover .rectangle-panel-icon {
            color: white !important;
            filter: brightness(0) invert(1);
        }
        
        .rectangle-panel.active {
            background: #178ac3 !important;
            box-shadow: 0 6px 18px rgba(23, 138, 195, 0.3) !important;
            border-color: #178ac3 !important;
            transform: translateY(-2px);
        }
        
        .rectangle-panel.active .rectangle-top-border {
            background: #178ac3 !important;
            height: 3px;
            border-bottom: none;
        }
        
        .rectangle-panel.active .rectangle-panel-icon,
        .rectangle-panel.active .rectangle-panel-number,
        .rectangle-panel.active .rectangle-panel-unit,
        .rectangle-panel.active .rectangle-panel-main-label,
        .rectangle-panel.active .rectangle-panel-detail {
            color: white !important;
            text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
        }
        
        .rectangle-panel.active .rectangle-panel-icon {
            filter: brightness(0) invert(1);
        }
        
        a.solution-cta-button {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 12px 28px;
            background: linear-gradient(to right, #178ac3, #68c7f6);
            color: white;
            text-decoration: none;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            position: relative;
            z-index: 2;
        }
        
        .solution-cta-button:hover {
            background: linear-gradient(to right, #178ac3, #68c7f6);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(23, 138, 195, 0.2);
            gap: 14px;
        }
        
        /* 右侧可视化区域 - 正确的六边形设计 */
        .solution-right-visual {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            position: relative;
            height: 100%;
        }
        
        /* 六边形容器 */
        .hexagon-container {
            position: relative;
            width: 640px;
            height: 739px;
        }
        
        /* 外面六边形 - 浅蓝色 */
        .outer-hexagon {
            position: absolute;
            width: 100%;
            height: 100%;
            background: #e8f2f7;
            clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
            z-index: 1;
        }
        
        /* 正确的右侧等腰梯形遮罩 */
        .hide-isosceles-trapezoid {
            position: absolute;
            width: 100%;
            height: 100%;
            /* background: white; */
            z-index: 2;
            /* 正确的等腰梯形坐标 */
            clip-path: polygon(
                63.4% 37.1%,
                100% 25%,
                100% 75%,
                63.4% 62.9% 
            );
            opacity: 1;
            transition: opacity 0.3s ease;
        }
        
        /* 内部结构 */
        .inner-white-area {
            position: absolute;
            top: 60px;
            left: 60px;
            width: calc(100% - 120px);
            height: calc(100% - 120px);
            background: white;
            clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
            z-index: 4;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        
        .inner-hexagon-container {
            position: relative;
            width: 428px;
            height: 494px;
            overflow: hidden;
            clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
        }
        
        .hexagon-image-area {
            position: absolute;
            width: 100%;
            height: 100%;
            overflow: hidden;
            clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
            z-index: 4;
        }
        
        .hexagon-image {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
            cursor: pointer;
        }
        
        .hexagon-image:hover {
            transform: scale(1.05);
        }
        
        /* 响应式设计 - 第三屏 */
        @media (max-width: 1400px) {
            .solution-master-container {
                max-width: 1300px;
                grid-template-columns: 48% 52%;
                gap: 35px;
            }
            
            .solution-left-content {
                margin-left: 50px;
                min-height: 450px;
                margin-top: 20px;
            }
            
            .hexagon-container {
                width: 600px;
                height: 693px;
            }
            
            .inner-white-area {
                top: 54px;
                left: 54px;
                width: calc(100% - 108px);
                height: calc(100% - 108px);
            }
            
            .inner-hexagon-container {
                width: 384px;
                height: 444px;
            }
        }
        
        @media (max-width: 1200px) {
            .solution-master-container {
                grid-template-columns: 50% 50%;
                gap: 30px;
                max-width: 1100px;
            }
            
            .solution-left-content {
                margin-left: 40px;
                min-height: 420px;
                margin-top: 15px;
            }
            
            .hexagon-container {
                width: 550px;
                height: 635px;
            }
            
            .inner-white-area {
                top: 48px;
                left: 48px;
                width: calc(100% - 96px);
                height: calc(100% - 96px);
            }
            
            .inner-hexagon-container {
                width: 352px;
                height: 406px;
            }
        }
        
        @media (max-width: 992px) {
            .solution-master-container {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            
            .solution-right-visual {
                order: -1;
            }
            
            .solution-left-content {
                margin-left: 0;
                min-height: auto;
                margin-top: 0;
                align-items: center;
                text-align: center;
                padding-right: 0;
            }
            
            .hexagon-container {
                width: 500px;
                height: 577px;
            }
            
            .inner-white-area {
                top: 60px;
                left: 60px;
                width: calc(100% - 120px);
                height: calc(100% - 120px);
            }
            
            .inner-hexagon-container {
                width: 333px;
                height: 385px;
            }
        }
        
        @media (max-width: 768px) {
            .highlights-section {
                padding: 60px 0;
            }
            
            .solution-left-title {
                font-size: 1.8rem;
            }
            
            .hexagon-container {
                width: 450px;
                height: 520px;
            }
            
            .inner-white-area {
                top: 54px;
                left: 54px;
                width: calc(100% - 108px);
                height: calc(100% - 108px);
            }
            
            .inner-hexagon-container {
                width: 300px;
                height: 346px;
            }
        }
        
        @media (max-width: 576px) {
            .hexagon-container {
                width: 350px;
                height: 404px;
            }
            
            .inner-white-area {
                top: 42px;
                left: 42px;
                width: calc(100% - 84px);
                height: calc(100% - 84px);
            }
            
            .inner-hexagon-container {
                width: 233px;
                height: 269px;
            }
        }

        /* ============================= */
        /* 可持续发展章节样式 */
        /* ============================= */
        .sustainability-section {
            padding: 0;
            position: relative;
            overflow: hidden;
            background: none;
        }

        .sustainability-cta {
            background: linear-gradient(135deg, rgba(15, 118, 110, 0.9) 0%, rgba(19, 78, 74, 0.9) 100%);
            padding: 120px 0;
            display: flex;
            justify-content: center;
            align-items: center;
            color: white;
            position: relative;
            overflow: hidden;
            min-height: 500px;
            text-align: center;
            width: 100vw;
            margin-left: calc(-50vw + 50%);
            margin-right: calc(-50vw + 50%);
            box-sizing: border-box;
        }

        .sustainability-cta::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('index/photo-1542601906990-b4d3fb778b09.avif') no-repeat center center;
            background-size: cover;
            opacity: 0.25;
            z-index: 1;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .cta-content h3 {
            font-size: 3rem;
            font-weight: 800;
            margin-bottom: 30px;
            color: white;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
        }

        .cta-content p {
            font-size: 1.4rem;
            color: rgba(255, 255, 255, 0.95);
            margin-bottom: 40px;
            line-height: 1.7;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        

        /* 动画效果 */
        @keyframes countUp {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        @keyframes ripple {
            to {
                transform: scale(4);
                opacity: 0;
            }
        }

        /* 响应式设计 - 全局 */
        @media (max-width: 1200px) {
            
            .cta-content h3 {
                font-size: 2.5rem;
            }
            
            .cta-content p {
                font-size: 1.3rem;
            }
        }

        @media (max-width: 992px) {
            .hero-section {
                height: auto;
                min-height: 100vh;
            }
            
            .hero-content {
                width: 100%;
                padding: 60px 20px;
                text-align: center;
                padding-top: 120px;
            }
            
            .hero-title {
                font-size: 2.5rem;
            }
            
            .hero-subtitle {
                font-size: 1.2rem;
                margin-left: auto;
                margin-right: auto;
            }
            
            .hero-actions {
                justify-content: center;
            }
            
            
            .cta-content h3 {
                font-size: 2.2rem;
            }
            
            .cta-content p {
                font-size: 1.2rem;
            }

        }

        @media (max-width: 768px) {

            .hero-title {
                font-size: 2.2rem;
            }
            
            .hero-subtitle {
                font-size: 1.1rem;
            }
            
            .hero-btn {
                min-width: 100%;
                margin-bottom: 10px;
            }
            
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            
            .platform-dropdown {
                width: 300px;
                right: -50px;
            }
            
            .sustainability-cta {
                min-height: 350px;
                padding: 60px 0;
            }
            
            .cta-content h3 {
                font-size: 2rem;
            }
            
            .cta-content p {
                font-size: 1.1rem;
                margin-bottom: 30px;
            }
            
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            
        }

        @media (max-width: 576px) {
            .hero-title {
                font-size: 2rem;
            }
            
            .hero-subtitle {
                font-size: 1rem;
            }
            
        }