        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

        :root {
            --primary: #4361ee;
            --primary-dark: #3a0ca3;
            --secondary: #4cc9f0;
            --accent: #7209b7;
            --light: #f8f9fa;
            --dark: #212529;
            --success: #2ecc71;
            --warning: #f39c12;
            --danger: #e74c3c;
            --gray: #6c757d;
            --light-gray: #e9ecef;
            --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
        }

        body {
            background: linear-gradient(135deg, #f0f4f8 0%, #e2e8f0 100%);
            color: var(--dark);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
        }

        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }

        /* Header Styles */
        header {
            background: linear-gradient(120deg, var(--primary), var(--primary-dark));
            color: white;
            padding: 20px 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.8rem;
            font-weight: 700;
        }

        .logo i {
            color: var(--secondary);
        }

        .nav-links {
            display: flex;
            gap: 30px;
        }

        .nav-links a {
            color: rgba(255, 255, 255, 0.85);
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
            padding: 8px 0;
            position: relative;
        }

        .nav-links a:hover {
            color: white;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--secondary);
            transition: width 0.3s ease;
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        .nav-btn {
            background: rgba(255, 255, 255, 0.15);
            border: 2px solid rgba(255, 255, 255, 0.3);
            color: white;
            padding: 10px 25px;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .nav-btn:hover {
            background: rgba(255, 255, 255, 0.25);
            transform: translateY(-2px);
        }

        /* Hero Section */
        .hero {
            display: flex;
            align-items: center;
            min-height: 80vh;
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(67, 97, 238, 0.1) 0%, rgba(76, 201, 240, 0.05) 100%);
            z-index: -1;
        }

        .hero-content {
            flex: 1;
            max-width: 600px;
            padding-right: 40px;
			float: left;
        }

        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            background: linear-gradient(to right, var(--primary), var(--primary-dark));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.2;
        }

        .hero p {
            font-size: 1.25rem;
            margin-bottom: 40px;
            color: var(--gray);
        }

        .hero-btns {
            display: flex;
            gap: 20px;
            margin-top: 30px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 16px 36px;
            font-size: 1.1rem;
            font-weight: 600;
            border-radius: 10px;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            border: none;
        }

        .btn-primary {
            background: linear-gradient(to right, var(--primary), var(--primary-dark));
            color: white;
            box-shadow: 0 8px 20px rgba(67, 97, 238, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 25px rgba(67, 97, 238, 0.4);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }

        .btn-outline:hover {
            background: rgba(67, 97, 238, 0.05);
            transform: translateY(-3px);
        }

        .hero-image {
            flex: 1;
            display: flex;
            justify-content: flex-end;
            position: relative;
        }

        .domain-card {
            background: white;
            border-radius: 16px;
            box-shadow: var(--card-shadow);
            padding: 30px;
            width: 350px;
            position: relative;
            z-index: 2;
            transition: all 0.5s ease;
            border: 1px solid rgba(67, 97, 238, 0.1);
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(67, 97, 238, 0.4); }
            70% { box-shadow: 0 0 0 15px rgba(67, 97, 238, 0); }
            100% { box-shadow: 0 0 0 0 rgba(67, 97, 238, 0); }
        }

        .domain-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
        }

        .domain-card-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 25px;
            padding-bottom: 15px;
            border-bottom: 2px solid var(--light-gray);
        }

        .domain-card-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary-dark);
        }

        .domain-card-badge {
            background: var(--danger);
            color: white;
            padding: 5px 12px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            animation: pulseBadge 1.5s infinite;
        }

        @keyframes pulseBadge {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }

        .domain-card-body {
            margin-bottom: 25px;
        }

        .domain-name {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 5px;
            text-align: center;
            background: linear-gradient(to right, var(--primary), var(--primary-dark));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            padding: 10px;
            border-radius: 8px;
            background-color: rgba(67, 97, 238, 0.05);
        }

        .domain-features {
            list-style: none;
            margin: 20px 0;
        }

        .domain-features li {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
            color: var(--gray);
            padding: 10px;
            border-radius: 8px;
            transition: all 0.3s ease;
        }

        .domain-features li:hover {
            background: rgba(67, 97, 238, 0.05);
            transform: translateX(5px);
        }

        .domain-features i {
            color: var(--success);
            width: 24px;
            text-align: center;
        }

        .domain-price {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary);
            margin: 20px 0;
            text-align: center;
            background: rgba(67, 97, 238, 0.05);
            padding: 15px;
            border-radius: 12px;
        }

        .domain-price small {
            font-size: 1rem;
            color: var(--gray);
            font-weight: 400;
        }

        /* Pricing Section */
        .pricing {
            padding: 80px 0;
            background: linear-gradient(to bottom, #f8fafd, #f0f4f8);
        }

        .section-header {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 60px;
        }

        .section-title {
            font-size: 2.5rem;
            margin-bottom: 20px;
            color: var(--primary-dark);
        }

        .section-subtitle {
            font-size: 1.2rem;
            color: var(--gray);
            margin-bottom: 30px;
        }

        .pricing-plans {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .pricing-card {
            background: white;
            border-radius: 16px;
            box-shadow: var(--card-shadow);
            padding: 40px 30px;
            text-align: center;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .pricing-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
        }

        .pricing-card.popular::before {
            content: '最受欢迎';
            position: absolute;
            top: 20px;
            right: -40px;
            background: var(--accent);
            color: white;
            padding: 5px 40px;
            transform: rotate(45deg);
            font-size: 0.9rem;
            font-weight: 600;
        }

        .pricing-period {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 15px;
        }

        .pricing-price {
            font-size: 3rem;
            font-weight: 800;
            margin: 20px 0;
            color: var(--primary);
            position: relative;
        }

        .pricing-price small {
            font-size: 1rem;
            color: var(--gray);
            font-weight: 400;
        }

        .pricing-features {
            list-style: none;
            margin: 30px 0;
            text-align: left;
        }

        .pricing-features li {
            padding: 12px 0;
            border-bottom: 1px solid var(--light-gray);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .pricing-features li:last-child {
            border-bottom: none;
        }

        .pricing-features i {
            color: var(--success);
            font-size: 1.1rem;
        }

        /* Features Section */
        .features {
            padding: 80px 0;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
        }

        .feature-card {
            background: white;
            border-radius: 16px;
            box-shadow: var(--card-shadow);
            padding: 40px 30px;
            text-align: center;
            transition: all 0.3s ease;
        }

        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
        }

        .feature-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 25px;
            color: white;
            font-size: 2rem;
        }

        .feature-title {
            font-size: 1.6rem;
            margin-bottom: 15px;
            color: var(--primary-dark);
        }

        /* Footer */
        footer {
            background: linear-gradient(120deg, var(--dark), #1a1a1a);
            color: white;
            padding: 60px 0 20px;
            margin-top: 60px;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 30px;
        }

        .footer-section h3 {
            margin-bottom: 20px;
            font-size: 1.4rem;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-section h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background: var(--secondary);
            border-radius: 3px;
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .social-icons {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }

        .social-icons a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            color: white;
            transition: all 0.3s ease;
        }

        .social-icons a:hover {
            background: var(--primary);
            transform: translateY(-3px);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
        }

        /* Modal - 修复滚动问题 */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.7);
            z-index: 1000;
            align-items: center;
            justify-content: center;
            padding: 20px;
            overflow-y: auto;
        }

        .modal-content {
            background: white;
            border-radius: 16px;
            width: 100%;
            max-width: 600px;
            padding: 40px;
            position: relative;
            animation: modalAppear 0.5s ease;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
            max-height: 90vh;
            overflow-y: auto;
        }

        @keyframes modalAppear {
            from {
                opacity: 0;
                transform: translateY(-50px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .close-modal {
            position: absolute;
            top: 20px;
            right: 20px;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--gray);
            transition: all 0.3s ease;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            z-index: 10;
        }

        .close-modal:hover {
            background: var(--light-gray);
            color: var(--dark);
        }

        .modal-header {
            text-align: center;
            margin-bottom: 30px;
            position: relative;
        }

        .modal-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            color: white;
            font-size: 2.5rem;
        }

        .modal-title {
            font-size: 2rem;
            margin-bottom: 10px;
            color: var(--primary-dark);
        }

        .modal-subtitle {
            color: var(--gray);
            font-size: 1.1rem;
        }

        .form-group {
            margin-bottom: 25px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--dark);
        }

        .form-control {
            width: 100%;
            padding: 14px 18px;
            border: 2px solid var(--light-gray);
            border-radius: 10px;
            font-size: 1rem;
            transition: all 0.3s ease;
        }

        .form-control:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
        }

        .domain-input {
            display: flex;
            align-items: center;
        }

        .domain-input input {
            border-top-right-radius: 0;
            border-bottom-right-radius: 0;
            border-right: none;
            flex: 1;
        }

        .domain-suffix {
            background: var(--light-gray);
            padding: 14px 20px;
            border: 2px solid var(--light-gray);
            border-left: none;
            border-top-right-radius: 10px;
            border-bottom-right-radius: 10px;
            font-weight: 600;
            color: var(--dark);
            white-space: nowrap;
        }

        textarea.form-control {
            min-height: 120px;
            resize: vertical;
        }

        .price-summary {
            background: var(--light-gray);
            border-radius: 10px;
            padding: 20px;
            margin: 25px 0;
        }

        .price-row {
            display: flex;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        }

        .price-row.total {
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--primary);
            border-bottom: none;
            margin-top: 10px;
            padding-top: 15px;
            border-top: 1px solid rgba(0, 0, 0, 0.1);
        }

        .modal-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 20px;
            flex-wrap: wrap;
            gap: 15px;
        }

        .terms {
            font-size: 0.9rem;
            color: var(--gray);
            flex: 1;
            min-width: 250px;
        }

        .terms a {
            color: var(--primary);
            text-decoration: none;
        }

        /* Responsive Design */
        @media (max-width: 992px) {
            .hero {
                flex-direction: column;
                text-align: center;
            }
            
            .hero-content {
                margin-bottom: 50px;
                padding-right: 0;
            }
            
            .hero-btns {
                justify-content: center;
            }
            
            .hero-image {
                justify-content: center;
                display: none;
            }
            
            .hero h1 {
                font-size: 2.8rem;
            }
        }

        @media (max-width: 768px) {
            .navbar {
                flex-direction: column;
                gap: 20px;
            }
            
            .nav-links {
                flex-wrap: wrap;
                justify-content: center;
            }
            
            .hero h1 {
                font-size: 2.3rem;
            }
            
            .pricing-plans {
                grid-template-columns: 1fr;
            }
            
            .hero-btns {
                flex-direction: column;
            }
            
            .modal-footer {
                flex-direction: column;
                gap: 20px;
                align-items: stretch;
            }
            
            .domain-name {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 576px) {
            .hero h1 {
                font-size: 2rem;
            }
            
            .hero p {
                font-size: 1rem;
            }
            
            .section-title {
                font-size: 2rem;
            }
            
            .domain-input {
                flex-direction: column;
            }
            
            .domain-input input {
                border-radius: 10px;
                border-right: 2px solid var(--light-gray);
                margin-bottom: 10px;
            }
            
            .domain-suffix {
                border-radius: 10px;
                border: 2px solid var(--light-gray);
                width: 100%;
                border-left: 2px solid var(--light-gray);
            }
        }
