* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

        body {
            background-color: #f5f7fa;
            color: #333;
            line-height: 1.8;
        }

        .container {
            max-width: 800px;
            margin: 0 auto;
            padding: 20px;
        }

        header {
            text-align: center;
            padding: 50px 0;
            background: linear-gradient(135deg, #6b73ff 0%, #000dff 100%);
            color: white;
            border-radius: 12px;
            margin-bottom: 40px;
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
        }

        h1 {
            font-size: 2.6rem;
            margin-bottom: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        .subtitle {
            font-size: 1.25rem;
            opacity: 0.92;
            margin-bottom: 25px;
            font-weight: 300;
            color: white;
        }

        .btn {
            display: inline-block;
            background-color: #ff6b6b;
            color: white;
            padding: 14px 36px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.15rem;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            margin-top: 15px;
            letter-spacing: 0.5px;
        }

        .btn:hover {
            background-color: #ff5252;
            transform: translateY(-3px);
            box-shadow: 0 8px 16px rgba(255, 107, 107, 0.3);
        }

        .section {
            background-color: white;
            border-radius: 12px;
            padding: 35px;
            margin-bottom: 35px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
        }

        h2 {
            color: #2c3e50;
            margin-bottom: 25px;
            font-size: 1.9rem;
            position: relative;
            padding-bottom: 12px;
            font-weight: 600;
        }

        h2::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 70px;
            height: 4px;
            background: linear-gradient(to right, #6b73ff, #000dff);
            border-radius: 4px;
        }

        p {
            margin-bottom: 18px;
            color: #4a5568;
            line-height: 1.8;
            font-size: 1.05rem;
        }

        .feature-list {
            margin: 30px 0;
        }

        .feature-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 22px;
            padding: 18px;
            border-radius: 8px;
            background-color: #f8fafc;
            transition: all 0.3s ease;
        }

        .feature-item:hover {
            background-color: #f1f5f9;
            transform: translateX(5px);
        }

        .feature-icon {
            margin-right: 18px;
            color: #6b73ff;
            font-weight: bold;
            min-width: 28px;
            font-size: 1.3rem;
        }

        .feature-content {
            flex: 1;
        }

        .feature-title {
            font-weight: 600;
            color: #2c3e50;
            margin-bottom: 8px;
            font-size: 1.2rem;
        }

        .mbti-types {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 25px;
        }

        .type-card {
            background-color: #f8f9fa;
            padding: 20px;
            border-radius: 10px;
            border-left: 5px solid #6b73ff;
            transition: all 0.3s ease;
        }

        .type-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
            background-color: white;
        }

        .type-title {
            font-weight: 700;
            color: #2c3e50;
            margin-bottom: 8px;
            font-size: 1.15rem;
        }

        .type-card p {
            color: #4a5568;
            font-size: 1rem;
            line-height: 1.7;
        }

        ul {
            margin-left: 25px;
            margin-bottom: 20px;
        }

        li {
            margin-bottom: 10px;
            line-height: 1.7;
            color: #4a5568;
        }

        .highlight-box {
            background-color: #f0f4ff;
            border-left: 4px solid #6b73ff;
            padding: 20px;
            border-radius: 0 8px 8px 0;
            margin: 25px 0;
        }

        .highlight-text {
            font-style: italic;
            color: #4a5568;
            font-size: 1.05rem;
            line-height: 1.7;
        }

        footer {
            text-align: center;
            padding: 25px;
            color: #718096;
            font-size: 0.95rem;
        }

        @media (max-width: 600px) {
            .mbti-types {
                grid-template-columns: 1fr;
            }

            h1 {
                font-size: 2.2rem;
            }

            .section {
                padding: 25px;
            }

            .feature-item {
                flex-direction: column;
            }

            .feature-icon {
                margin-bottom: 10px;
            }
        }