* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
        }
        
        body {
            background-color: #0a0a0a;
            color: #f0f0f0;
            line-height: 1.7;
            overflow-x: hidden;
        }
        
        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* 导航栏 */
        header {
            background-color: #111111;
            padding: 18px 0;
            position: fixed;
            width: 100%;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(255, 119, 0, 0.1);
            border-bottom: 1px solid #333;
        }
        
        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            font-size: 26px;
            font-weight: 800;
            color: #ff7700;
            letter-spacing: 1px;
        }
        
        .nav-links {
            display: flex;
            list-style: none;
        }
        
        .nav-links li {
            margin-left: 35px;
            position: relative;
        }
        
        .nav-links a {
            color: #e0e0e0;
            text-decoration: none;
            font-size: 16px;
            font-weight: 500;
            transition: all 0.3s;
            padding: 8px 0;
        }
        
        .nav-links a:hover {
            color: #ff7700;
        }
        
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: #ff7700;
            transition: width 0.3s;
        }
        
        .nav-links a:hover::after {
            width: 100%;
        }
        
        /* 主内容区 */
        main {
            padding-top: 80px;
        }
        
        section {
            padding: 100px 0;
        }
        
        /* 英雄区域 */
        .hero {
            text-align: center;
            padding: 140px 0;
            background: linear-gradient(135deg, rgba(255, 119, 0, 0.1) 0%, rgba(10, 10, 10, 0.9) 70%), 
                        url('https://images.unsplash.com/photo-1611974789855-9c2a0a7236a3?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80');
            background-size: cover;
            background-position: center;
            position: relative;
            overflow: hidden;
        }
        
        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at 30% 50%, rgba(255, 119, 0, 0.2) 0%, transparent 60%);
            z-index: 0;
        }
        
        .hero-content {
            position: relative;
            z-index: 1;
        }
        
        .hero h1 {
            font-size: 52px;
            margin-bottom: 25px;
            color: #ff7700;
            font-weight: 800;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
            animation: float 3s ease-in-out infinite;
        }
        
        .hero p {
            font-size: 22px;
            max-width: 750px;
            margin: 0 auto 40px;
            color: #e0e0e0;
            font-weight: 300;
        }
        
        .cta-button {
            display: inline-block;
            background: linear-gradient(135deg, #ff7700, #ff5500);
            color: #fff;
            padding: 16px 40px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 700;
            font-size: 18px;
            transition: all 0.4s;
            box-shadow: 0 8px 25px rgba(255, 119, 0, 0.3);
            position: relative;
            overflow: hidden;
        }
        
        .cta-button:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 30px rgba(255, 119, 0, 0.4);
        }
        
        .cta-button::after {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: left 0.7s;
        }
        
        .cta-button:hover::after {
            left: 100%;
        }
        
        /* Z型布局部分 */
        .z-section {
            margin-bottom: 120px;
        }
        
        .z-layout {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 100px;
        }
        
        .z-layout.reverse {
            flex-direction: row-reverse;
        }
        
        .z-content {
            flex: 1;
            min-width: 300px;
            padding: 30px;
        }
        
        .z-image {
            flex: 1;
            min-width: 300px;
            padding: 30px;
            position: relative;
            perspective: 1000px;
        }
        
        .z-image img {
            width: 100%;
            border-radius: 15px;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
            transition: all 0.5s;
            transform-style: preserve-3d;
        }
        
        .z-image:hover img {
            transform: rotateY(5deg) rotateX(5deg) scale(1.03);
            box-shadow: 0 20px 40px rgba(255, 119, 0, 0.2);
        }
        
        .image-title {
            position: absolute;
            bottom: 40px;
            left: 40px;
            background: linear-gradient(135deg, rgba(255, 119, 0, 0.9), rgba(255, 85, 0, 0.9));
            color: #fff;
            padding: 12px 25px;
            border-radius: 10px;
            font-weight: 700;
            font-size: 18px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
            transform: translateY(20px);
            opacity: 0;
            transition: all 0.5s;
        }
        
        .z-image:hover .image-title {
            transform: translateY(0);
            opacity: 1;
        }
        
        h2 {
            font-size: 42px;
            margin-bottom: 25px;
            color: #ff7700;
            font-weight: 700;
            position: relative;
            display: inline-block;
        }
        
        h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 60px;
            height: 4px;
            background: linear-gradient(135deg, #ff7700, #ff5500);
            border-radius: 2px;
        }
        
        /* 卡片区域 */
        .cards-section {
            margin: 100px 0;
        }
        
        .cards {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 35px;
            margin-top: 60px;
        }
        
        .card {
            flex: 1;
            min-width: 280px;
            background: linear-gradient(145deg, #1a1a1a, #151515);
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
            transition: all 0.4s;
            border: 1px solid #333;
            position: relative;
        }
        
        .card:hover {
            transform: translateY(-12px);
            box-shadow: 0 15px 35px rgba(255, 119, 0, 0.2);
            border-color: #ff7700;
        }
        
        .card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(135deg, #ff7700, #ff5500);
        }
        
        .card img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            transition: transform 0.5s;
        }
        
        .card:hover img {
            transform: scale(1.05);
        }
        
        .card-content {
            padding: 25px;
        }
        
        .card h3 {
            font-size: 24px;
            margin-bottom: 15px;
            color: #ff7700;
            font-weight: 700;
        }
        
        /* 动画效果 */
        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-15px); }
        }
        
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        
        @keyframes fadeInDown {
            from {
                opacity: 0;
                transform: translateY(-40px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(40px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .animate {
            opacity: 0;
            transform: translateY(40px);
            transition: all 0.8s;
        }
        
        .animate.active {
            opacity: 1;
            transform: translateY(0);
        }
        
        /* 页脚 */
        footer {
            background: linear-gradient(135deg, #111111, #0a0a0a);
            padding: 70px 0 30px;
            text-align: center;
            border-top: 1px solid #333;
        }
        
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            margin-bottom: 40px;
            text-align: left;
        }
        
        .footer-column {
            flex: 1;
            min-width: 250px;
            margin-bottom: 30px;
        }
        
        .footer-column h3 {
            font-size: 20px;
            margin-bottom: 20px;
            color: #ff7700;
            font-weight: 700;
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 12px;
        }
        
        .footer-links a {
            color: #b0b0b0;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .footer-links a:hover {
            color: #ff7700;
        }
        
        .social-links {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }
        
        .social-links a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background-color: #222;
            border-radius: 50%;
            color: #ff7700;
            text-decoration: none;
            transition: all 0.3s;
        }
        
        .social-links a:hover {
            background-color: #ff7700;
            color: #fff;
            transform: translateY(-5px);
        }
        
        .copyright {
            color: #777;
            font-size: 15px;
            margin-top: 40px;
            padding-top: 25px;
            border-top: 1px solid #333;
        }
        

        @media (max-width: 992px) {
            .nav-links {
                display: none;
            }
            
            .hero h1 {
                font-size: 42px;
            }
            
            .hero p {
                font-size: 20px;
            }
            
            .z-layout, .z-layout.reverse {
                flex-direction: column;
            }
            
            .cards {
                flex-direction: column;
            }
        }
        
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 36px;
            }
            
            .hero p {
                font-size: 18px;
            }
            
            h2 {
                font-size: 32px;
            }
        }