* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft YaHei", Helvetica, Arial, sans-serif;
            /* css禁止文本选中 */
            -webkit-user-select: none;
            -moz-user-select: none;
            -ms-user-select: none;
            user-select: none;
        }

        :root {
            --primary: #801EF8;
            --primary-dark: #5F16C2;
            --primary-light: #F0E8FF;
            --bg-light: #F9FAFC;
            --white: #ffffff;
            --gray-100: #F5F7FA;
            --gray-200: #E4E7ED;
            --gray-300: #DCDFE6;
            --gray-400: #C0C4CC;
            --gray-500: #909399;
            --gray-600: #606266;
            --gray-700: #303133;
            --gray-800: #1E1E1E;
            --deep-blue: #1A3352;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            color: var(--gray-700);
            background: var(--white);
            line-height: 1.75;
        }

        ul {
            list-style: none;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        img {
            max-width: 100%;
            display: block;
            transform: translate(0%, 5%);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 16px;
        }

        /* 头部导航 */
        header {
            background: var(--white);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
            position: sticky;
            top: 0;
            z-index: 999;
        }

        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 72px;
        }

        .logo {
            font-size: 24px;
            font-weight: bold;
            color: var(--primary);
        }
        .logo img {
            max-width: 60%;
            display: block;
            transform: translate(0%, 5%);
        }        

        .nav-list {
            display: flex;
            gap: 36px;
        }

        .nav-list li a {
            color: var(--gray-700);
            font-size: 16px;
            transition: color 0.3s;
            position: relative;
        }

        .nav-list li a:hover {
            color: var(--primary);
        }

        .nav-list li a::after {
            content: '';
            width: 0;
            height: 2px;
            background: var(--primary);
            position: absolute;
            bottom: -4px;
            left: 0;
            transition: 0.3s;
        }

        .nav-list li a:hover::after {
            width: 100%;
        }

        .menu-btn {
            display: none;
            font-size: 28px;
            color: var(--primary);
            cursor: pointer;
        }

        /* Banner轮播区域 */
        .banner {
            width: 100%;
            height: 420px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            text-align: center;
        }

        .banner-text h1 {
            font-size: 38px;
            margin-bottom: 16px;
            font-weight: 700;
        }

        .banner-text p {
            font-size: 18px;
            opacity: 0.95;
            max-width: 700px;
            margin: 0 auto;
            line-height: 1.8;
        }

        /* 通用区块样式 */
        section {
            padding: 70px 0;
        }

        .bg-light {
            background-color: var(--bg-light);
        }

        .section-title {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-title h2 {
            font-size: 30px;
            color: var(--gray-800);
            margin-bottom: 12px;
        }

        .divider {
            width: 72px;
            height: 3px;
            background: var(--primary);
            margin: 0 auto;
        }

        /* 我们能做什么 6业务卡片 */
        .grid-6 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 26px;
        }

        .card-item {
            background: var(--white);
            padding: 30px 24px;
            border-radius: 10px;
            box-shadow: 0 3px 14px rgba(128, 30, 248, 0.08);
            transition: all 0.3s ease;
            border: 1px solid var(--gray-200);
        }

        .card-item:hover {
            transform: translateY(-6px);
            box-shadow: 0 8px 22px rgba(128, 30, 248, 0.15);
            border-color: var(--primary);
        }

        .card-item h3 {
            color: var(--primary);
            font-size: 19px;
            margin-bottom: 14px;
        }

        .card-item p {
            color: var(--gray-600);
            line-height: 1.75;
            font-size: 15px;
        }

        /* 解决方案板块【带图片】 */
        .solve-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 26px;
        }

        .solve-card {
            background: var(--white);
            border: 1px solid var(--gray-200);
            border-radius: 10px;
            transition: 0.3s;
            overflow: hidden;
        }
        .solve-card-img{
            width:100%;
            height:180px;
            background:#F3F4F6;
            display:flex;
            align-items:center;
            justify-content:center;
            color:#999;
            font-size:14px;
        }
        .solve-card-body{
            padding: 24px;
            padding-top: 3rem;
        }
        .solve-card:hover {
            border-color: var(--primary);
            box-shadow: 0 8px 22px rgba(128, 30, 248, 0.12);
        }

        .solve-card h3 {
            color: var(--gray-800);
            font-size: 19px;
            margin-bottom: 14px;
        }

        .solve-card h3 span {
            color: var(--primary);
        }

        .solve-card p {
            color: var(--gray-600);
            line-height: 1.75;
            font-size: 15px;
        }

        /* 合作品牌logo区域 */
        .brand-row{
            display:grid;
            grid-template-columns: repeat(6,1fr);
            gap:24px;
        }
        .brand-item{
            background:#fff;
            height:100px;
            border-radius:8px;
            border:1px solid var(--gray-200);
            display:flex;
            align-items:center;
            justify-content:center;
            padding:12px;
            transition:0.3s;
        }
        .brand-item:hover{
            border-color:var(--primary);
        }
        .brand-item img{
            max-height:85px;
            max-width:95%;
            object-fit:contain;
        }

        /* 联系我们 */
        .contact-box {
            text-align: center;
        }

        .contact-box p {
            font-size: 17px;
            color: var(--gray-600);
            line-height: 2;
        }

        .contact-box strong {
            color: var(--primary);
        }

        /* 页脚版权 */
        footer {
            background: var(--deep-blue);
            color: var(--gray-300);
            padding: 30px 0;
            text-align: center;
        }

        footer p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--gray-400);
        }
        footer a:hover {
            font-size: 16px;
            line-height: 1.8;
            color: var(--gray-400);
        }        

        /* 移动端响应式 */
        @media screen and (max-width: 1200px) {
            .brand-row{
                grid-template-columns: repeat(4,1fr);
            }
        }
        @media screen and (max-width: 992px) {
            .nav-list {
                position: absolute;
                top:72px;
                left:0;
                width:100%;
                background:#fff;
                flex-direction: column;
                padding:20px 16px;
                gap:16px;
                box-shadow:0 4px 8px rgba(0,0,0,0.1);
                display: none;
            }
            .nav-list.show{
                display:flex;
            }
            .menu-btn {
                display: block;
            }

            .grid-6,
            .solve-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .banner-text h1 {
                font-size: 28px;
            }

            .banner {
                height: 340px;
            }
        }

        @media screen and (max-width: 640px) {
            .grid-6,
            .solve-grid {
                grid-template-columns: 1fr;
            }
            .brand-row{
                grid-template-columns: repeat(2,1fr);
            }
            section {
                padding: 45px 0;
            }

            .banner {
                height: 300px;
            }

            .banner-text h1 {
                font-size: 24px;
            }

            .section-title h2 {
                font-size: 24px;
            }
        }