/* styles.css */

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

        body {
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background-color: #ffffff;
            color: #1f2937;
            line-height: 1.5;
            scroll-behavior: smooth;
        }

        /* 容器 */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 头部导航 */
        header {
            background-color: #ffffff;
            box-shadow: 0 1px 3px rgba(0,0,0,0.05);
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(8px);
            background-color: rgba(255,255,255,0.95);
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0.2rem 0;
            flex-wrap: wrap;
        }

        .logo {
		    margin-top: 0;
            width: 150px;
            height: 100px;
			background-image:url(img/Hycx_logo_500.png); 
			background-size: contain;
			background-size: cover;
            /*  font-size: 1.8rem;
            font-weight: 700;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #2563eb, #7c3aed);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent; */
        }

        .nav-links {
            display: flex;
            gap: 2rem;
            list-style: none;
        }

        .nav-links a {
            text-decoration: none;
            color: #374151;
            font-weight: 500;
            transition: color 0.2s;
        }

        .nav-links a:hover {
            color: #2563eb;
        }

        /* 移动端菜单 */
        .menu-toggle {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            cursor: pointer;
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: center;
                gap: 1rem;
                padding: 1rem 0;
                background: white;
            }
            .nav-links.show {
                display: flex;
            }
            .menu-toggle {
                display: block;
            }
        }

        /* Hero 区域 */
        .hero {
            padding: 5rem 0;
            background: linear-gradient(120deg, #f9fafb 0%, #eef2ff 100%);
        }

        .hero .container {
            display: flex;
            align-items: center;
            gap: 3rem;
            flex-wrap: wrap;
        }

        .hero-content {
            flex: 1;
        }

        .hero-content h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 1rem;
            color: #111827;
        }

        .hero-content p {
            font-size: 1.2rem;
            color: #4b5563;
            margin-bottom: 2rem;
        }

        .btn {
            display: inline-block;
            background-color: #2563eb;
            color: white;
            padding: 0.75rem 1.8rem;
            border-radius: 40px;
            text-decoration: none;
            font-weight: 600;
            transition: background 0.2s, transform 0.1s;
            border: none;
            cursor: pointer;
        }

        .btn:hover {
            background-color: #1d4ed8;
        }

        .hero-image {
            flex: 1;
            background: #cbd5e1;
            border-radius: 2rem;
            height: 280px;
            display: flex;
            align-items: center;
            justify-content: center;
            background-image: url('img/Hycx_img_2026052802.png');
            background-size: cover;
            background-position: center;
        }

        /* Section 通用 */
        section {
            padding: 5rem 0;
        }

        .section-title {
            text-align: center;
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 3rem; 
        }

        /* 服务卡片 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(560px, 1fr));
            gap: 2rem;
        }
		
		/* 案例资源卡 */
		.case-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
        }
		
		/* 关于我们卡 */
		.aboutus-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 2rem;
        }

        .card {
            background: #f9fafb;
            padding: 2rem;
            border-radius: 1.5rem;
            transition: all 0.25s;
            text-align: center;
            box-shadow: 0 1px 2px rgba(0,0,0,0.05);
        }

        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 25px -12px rgba(0,0,0,0.1);
        }

        .card-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
        }
		
		.card-bottom-box {
		    float:left;
			padding: 2rem 3rem 0 0;
			text-align:left;
        }

        .card-number {
            color: #e5143e;
            font-size: 1.5rem;
        }
		
		.card-img {
            font-size: 3rem;
            margin-bottom: 0.5rem;
			background-size: cover;
        }
		
		.card-img img {
			border-radius: 1rem;
        }

        .card h3 {
            margin-bottom: 0.75rem;
            font-size: 1.5rem;
        }

        /* 关于我们 */
        .about-content {
            display: flex;
            gap: 2rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .about-text {
            flex: 1;
        }
        .about-text p {
            margin-bottom: 1rem;
        }
        .about-stats {
            flex: 1;
			background-image: url('img/Hycx_img_2026052801.png') ;
			height: 280px;
			background-size: cover;
            background-position: center;
            /*  background: #f1f5f9;  */
            padding: 2rem;
            border-radius: 1.5rem;
        }
        .stat {
            margin-bottom: 1rem;
            font-weight: 600;
        }
        .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: #2563eb;
        }

        /* 联系表单 */
        .contact-form {
            max-width: 600px;
            margin: 0 auto;
            background: #ffffff;
            padding: 1rem 1rem 1rem 2.5rem;
            border-radius: 1.5rem;
            box-shadow: 0 8px 20px rgba(0,0,0,0.05);
            border: 1px solid #e5e7eb;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
		.form-img {
			background-size: cover;
			text-align:right;		
        }
		.form-txt {
			margin-top: 1rem; 
        }

		/*
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 500;
        }
        input, textarea {
            width: 100%;
            padding: 0.75rem;
            border: 1px solid #d1d5db;
            border-radius: 12px;
            font-size: 1rem;
            transition: 0.2s;
        }
        input:focus, textarea:focus {
            outline: none;
            border-color: #2563eb;
            box-shadow: 0 0 0 3px rgba(37,99,235,0.2);
        }
        button[type="submit"] {
            width: 100%;
            padding: 0.85rem;
            font-size: 1rem;
        }   
		*/
		
        footer {
            background-color: #111827;
            color: #9ca3af;
            text-align: center;
            padding: 2rem 0;
        }

        .footer-links {
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin-bottom: 1rem;
            flex-wrap: wrap;
        }
        .footer-links a {
            color: #d1d5db;
            text-decoration: none;
        }
        .copyright {
            font-size: 0.85rem;
        }
		.copyright a {
            color: #9ca3af;
			margin-left: 0.5rem;
        }
		.copyright a,a:link,a:visited,a:hover,a:active {
            color: #9ca3af;
			margin-left: 0.5rem;
        }