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

        body {
            font-family: 'Microsoft YaHei', Arial, sans-serif;
            line-height: 1.6;
            color: #333;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
        }

        .p2twi-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .p2twi-header {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .p2twi-nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }

        .p2twi-logo {
            height: 40px;
            width: auto;
        }

        .p2twi-nav-menu {
            display: flex;
            gap: 30px;
            list-style: none;
        }

        .p2twi-nav-link {
            text-decoration: none;
            color: #333;
            font-weight: 500;
            transition: all 0.3s ease;
            position: relative;
        }

        .p2twi-nav-link:hover {
            color: #667eea;
            transform: translateY(-2px);
        }

        .p2twi-nav-link::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: -5px;
            left: 50%;
            background: linear-gradient(90deg, #667eea, #764ba2);
            transition: all 0.3s ease;
            transform: translateX(-50%);
        }

        .p2twi-nav-link:hover::after {
            width: 100%;
        }

        .p2twi-main {
            background: white;
            margin: 40px auto;
            border-radius: 20px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
            overflow: hidden;
        }

        .p2twi-hero {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            text-align: center;
            padding: 60px 40px;
        }

        .p2twi-title {
            font-size: 3rem;
            font-weight: 700;
            margin-bottom: 20px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }

        .p2twi-subtitle {
            font-size: 1.2rem;
            opacity: 0.9;
            max-width: 600px;
            margin: 0 auto;
        }

        .p2twi-content {
            padding: 60px 40px;
        }

        .p2twi-section {
            margin-bottom: 50px;
        }

        .p2twi-section-title {
            font-size: 2rem;
            color: #333;
            margin-bottom: 25px;
            padding-bottom: 10px;
            border-bottom: 3px solid #667eea;
            position: relative;
        }

        .p2twi-section-title::after {
            content: '';
            position: absolute;
            bottom: -3px;
            left: 0;
            width: 50px;
            height: 3px;
            background: #764ba2;
        }

        .p2twi-step-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 30px;
        }

        .p2twi-step-card {
            background: #f8f9ff;
            border-radius: 15px;
            padding: 30px;
            border-left: 5px solid #667eea;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .p2twi-step-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
            z-index: 1;
        }

        .p2twi-step-card > * {
            position: relative;
            z-index: 2;
        }

        .p2twi-step-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(102, 126, 234, 0.2);
        }

        .p2twi-step-number {
            display: inline-block;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, #667eea, #764ba2);
            color: white;
            border-radius: 50%;
            text-align: center;
            line-height: 40px;
            font-weight: bold;
            margin-bottom: 15px;
        }

        .p2twi-step-title {
            font-size: 1.3rem;
            font-weight: 600;
            color: #333;
            margin-bottom: 15px;
        }

        .p2twi-step-content {
            color: #666;
            line-height: 1.8;
        }

        .p2twi-feature-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin-top: 30px;
        }

        .p2twi-feature-item {
            display: flex;
            align-items: center;
            padding: 15px;
            background: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
        }

        .p2twi-feature-item:hover {
            transform: translateX(10px);
            box-shadow: 0 8px 25px rgba(102, 126, 234, 0.15);
        }

        .p2twi-feature-icon {
            width: 20px;
            height: 20px;
            background: linear-gradient(135deg, #667eea, #764ba2);
            border-radius: 50%;
            margin-right: 15px;
            flex-shrink: 0;
        }

        .p2twi-feature-text {
            color: #555;
            font-weight: 500;
        }

        .p2twi-cta-section {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            text-align: center;
            padding: 60px 40px;
            margin: 60px 0;
            border-radius: 20px;
        }

        .p2twi-cta-title {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .p2twi-cta-text {
            font-size: 1.1rem;
            margin-bottom: 30px;
            opacity: 0.9;
        }

        .p2twi-cta-button {
            display: inline-block;
            background: white;
            color: #667eea;
            padding: 15px 40px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        }

        .p2twi-cta-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
            background: #f0f0f0;
        }

        .p2twi-footer {
            background: #2c3e50;
            color: white;
            text-align: center;
            padding: 40px 0;
        }

        .p2twi-footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }

        .p2twi-footer-section h3 {
            margin-bottom: 15px;
            color: #667eea;
        }

        .p2twi-footer-section p,
        .p2twi-footer-section a {
            color: #bdc3c7;
            text-decoration: none;
            line-height: 1.8;
        }

        .p2twi-footer-section a:hover {
            color: white;
        }

        .p2twi-copyright {
            border-top: 1px solid #34495e;
            padding-top: 20px;
            color: #95a5a6;
        }

        .p2twi-highlight {
            background: linear-gradient(120deg, #667eea 0%, #764ba2 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            font-weight: 600;
        }

        @media (max-width: 768px) {
            .p2twi-nav-menu {
                flex-direction: column;
                gap: 15px;
            }

            .p2twi-title {
                font-size: 2rem;
            }

            .p2twi-content {
                padding: 40px 20px;
            }

            .p2twi-step-grid {
                grid-template-columns: 1fr;
            }

            .p2twi-cta-section {
                padding: 40px 20px;
            }

            .p2twi-cta-title {
                font-size: 1.8rem;
            }
        }