@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Playfair+Display:wght@700&display=swap');
        
        body {
            font-family: 'Inter', system_ui, sans-serif;
        }
        
        .heading-serif {
            font-family: 'Playfair Display', Georgia, serif;
        }

        .premium-card {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        
        .premium-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
        }

        .section-header {
            font-size: 2.25rem;
            line-height: 1.1;
            font-weight: 700;
            letter-spacing: -0.025em;
        }

        .soft-article {
            max-width: 720px;
            margin: 0 auto;
        }

        .soft-article p {
            margin-bottom: 1.25rem;
            line-height: 1.75;
            color: #475569;
        }

        .soft-article h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #1e2937;
            margin-top: 2.25rem;
            margin-bottom: 1rem;
        }

        /* Quiz Styles - Unified with premium design */
        .step { display: none; }
        .step.active { display: block; }

        .quiz-option {
            transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        .quiz-option:hover {
            border-color: #14b8a6;
            background-color: #f0fdfa;
        }
        
        .quiz-option:has(input:checked) {
            border-color: #0f766e;
            background-color: #ccfbf1;
            box-shadow: 0 0 0 1px #0f766e;
        }

        .quiz-option input {
            accent-color: #0f766e;
        }

        .result-section {
            background: white;
            border: 1px solid #e2e8f0;
            border-radius: 24px;
            padding: 32px;
            margin-bottom: 24px;
            box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
        }

        .guide-box {
            background: #f0fdfa;
            border-left: 5px solid #0f766e;
            padding: 22px 26px;
            border-radius: 16px;
            margin: 20px 0;
        }

        .guide-box p {
            margin-bottom: 1rem;
            line-height: 1.75;
            color: #475569;
            font-size: 15.2px;
        }

        .guide-box ul {
            margin: 14px 0 14px 4px;
            padding-left: 20px;
        }

        .guide-box li {
            margin-bottom: 8px;
            line-height: 1.7;
        }

        /* 新版 Guide 卡片样式 - 专业品牌感 + 清晰视觉层次 */
        .guide-card {
            background: white;
            border: 1px solid #e2e8f0;
            border-radius: 20px;
            padding: 28px 26px;
            margin-bottom: 22px;
            box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.06), 
                       0 4px 6px -4px rgb(0 0 0 / 0.06);
            transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        .guide-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.08), 
                       0 8px 10px -6px rgb(0 0 0 / 0.08);
            border-color: #ccfbf1;
        }
        
        .guide-card-content h5 {
            color: #0f766e;
            font-weight: 700;
            font-size: 17px;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }
        
        .guide-card-content p {
            color: #475569;
            line-height: 1.75;
            margin-bottom: 14px;
            font-size: 15px;
        }
        
        .guide-card-content ul {
            padding-left: 22px;
            margin: 14px 0 18px;
        }
        
        .guide-card-content li {
            margin-bottom: 8px;
            color: #475569;
            line-height: 1.7;
        }

        /* Guide Card 折叠效果 - 移动端友好 */
        .guide-card-content-collapsed {
            max-height: 180px;
            overflow: hidden;
            position: relative;
        }
        
        .guide-card-content-collapsed::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 50px;
            background: linear-gradient(to bottom, transparent, white);
            pointer-events: none;
        }
        
        .guide-card-content-expanded {
            max-height: none !important;
        }
        
        .guide-card-content-expanded::after {
            display: none;
        }
        
        .show-more-btn {
            color: #0f766e;
            font-weight: 500;
            transition: all 0.2s ease;
        }
        
        .show-more-btn:hover {
            color: #115e59;
        }

        /* （已取消数字自动高亮功能） */

        /* 表单验证错误提示 + 抖动动画 */
        .error-text {
            color: #ef4444;
            font-size: 13px;
            margin-top: 8px;
            display: none;
            align-items: center;
            gap: 6px;
        }
        .error-text.show {
            display: flex;
        }

        @keyframes shake {
            0%, 100% { transform: translateX(0); }
            20%, 60% { transform: translateX(-6px); }
            40%, 80% { transform: translateX(6px); }
        }
        .shake {
            animation: shake 0.4s ease-in-out;
        }

        /* 结果页在移动端的优化（解决卡片套卡片导致可读区域太窄的问题） */
        @media (max-width: 640px) {
            #quiz-card {
                padding: 16px 12px !important;
                border-radius: 20px;
            }
            
            .result-section {
                padding: 20px 16px !important;
            }
            
            .guide-box {
                padding: 16px 18px !important;
            }
            
            .offer-card {
                border-radius: 14px;
            }
        }

        .offer-card {
            border: 1px solid #e2e8f0;
            border-radius: 16px;
            overflow: hidden;
            background: white;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }
        
        .offer-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
        }