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

        html, body {
            width: 100%;
            min-height: 100vh;
            font-family: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #fefefe;
            overflow-x: hidden;
        }

        body {
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 5px 5px;
            background: linear-gradient(135deg, #f5f7ff 0%, #f0f4ff 100%);
        }

        .container {
            width: 100%;
            max-width: 100%;
            background: white;
            border-radius: 20px;
            box-shadow: 0 15px 50px rgba(0, 0, 0, 0.1);
            overflow: hidden;
            padding: 5px;
            position: relative;
        }

        .header {
            text-align: center;
            padding-bottom: 35px;
            border-bottom: 3px solid #f0f0f0;
            margin-bottom: 40px;
            position: relative;
        }

        .header::after {
            content: '';
            position: absolute;
            bottom: -3px;
            left: 50%;
            transform: translateX(-50%);
            width: 120px;
            height: 3px;
            background: linear-gradient(to right, #323276, #104862);
        }

        .main-title {
            color: #323276;
            font-size: 36px;
            font-weight: 800;
             margin-top:25px;
            margin-bottom: 15px;
            line-height: 1.3;
            letter-spacing: -0.5px;
        }

        .subtitle {
            color: #104862;
            font-size: 22px;
            font-weight: 500;
            margin-bottom: 10px;
        }

        .gift-notice {
            color: #d32f2f;
            font-size: 18px;
            font-weight: 600;
            background-color: #fff5f5;
            padding: 12px 25px;
            border-radius: 8px;
            display: inline-block;
            margin-top: 15px;
            border: 2px dashed #ffcdd2;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.03); }
            100% { transform: scale(1); }
        }

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

        .intro-box {
            display: flex;
            align-items: flex-start;
            gap: 50px;
            margin-bottom: 45px;
        }

        .book-cover {
            flex: 0 0 280px;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .book-cover:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
        }

        .book-cover img {
            width: 100%;
            height: auto;
            display: block;
        }

        .intro-text {
            flex: 1;
            min-width: 400px;
        }

        .intro-text p {
            font-size: 18px;
            color: #444;
            margin-bottom: 20px;
            line-height: 1.8;
        }

        .highlight {
            color: #104862;
            font-weight: 700;
            background: linear-gradient(transparent 70%, #e3f2fd 70%);
            padding: 0 3px;
        }

        .line-button {
            display: inline-block;
            margin-top: 25px;
            transition: all 0.3s ease;
            filter: drop-shadow(0 5px 15px rgba(0, 0, 0, 0.1));
        }

        .line-button:hover {
            transform: scale(1.05);
            filter: drop-shadow(0 8px 20px rgba(0, 0, 0, 0.15));
        }

        .line-button img {
            max-width: 320px;
            height: auto;
            border-radius: 10px;
        }

        .feature-section {
            background: linear-gradient(135deg, #f8f9ff 0%, #f0f5ff 100%);
            border-radius: 16px;
            padding: 40px;
            margin: 50px 0;
            border-left: 0px solid #323276;
            position: relative;
            overflow: hidden;
        }

        .feature-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -50%;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(50, 50, 118, 0.1) 0%, transparent 70%);
            z-index: 0;
        }

        .feature-title {
            color: #104862;
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 30px;
            display: flex;
            align-items: center;
            gap: 20px;
            position: relative;
            z-index: 1;
        }

        .feature-title img {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            object-fit: cover;
            border: 4px solid white;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }

        .feature-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 30px;
            position: relative;
            z-index: 1;
        }

        .feature-item {
            background: white;
            padding: 30px;
            border-radius: 12px;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s ease;
            border: 1px solid #e8eaf6;
        }

        .feature-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
        }

        .feature-item h4 {
            color: #323276;
            font-size: 22px;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .feature-item h4::before {
            content: '★';
            color: #ffb300;
            font-size: 20px;
        }

        .feature-item p {
            color: #555;
            font-size: 16px;
            line-height: 1.7;
        }

        .feature-cta {
            text-align: center;
            margin-top: 35px;
            position: relative;
            z-index: 1;
        }

        .fengshui-section {
            margin: 60px 0;
            text-align: center;
            padding: 40px;
            background: white;
            border-radius: 16px;
            border: 2px solid #e8eaf6;
        }

        .fengshui-title {
            color: #104862;
            font-size: 28px;
            margin-bottom: 25px;
            font-weight: 700;
            position: relative;
            display: inline-block;
            padding-bottom: 15px;
        }

        .fengshui-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 3px;
            background: linear-gradient(to right, #323276, #104862);
            border-radius: 2px;
        }

        .fengshui-desc {
            max-width: 900px;
            margin: 0 auto 30px;
            color: #555;
            font-size: 17px;
            line-height: 1.8;
        }

        .fengshui-image {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            margin: 35px 0;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
            transition: transform 0.5s ease;
        }

        .fengshui-image:hover {
            transform: scale(1.01);
        }

        .fengshui-cta {
            max-width: 900px;
            margin: 35px auto;
            color: #444;
            font-size: 18px;
            font-weight: 500;
            line-height: 1.8;
            padding: 25px;
            background: #f8f9ff;
            border-radius: 12px;
            border-left: 0px solid #104862;
        }

        .benefits-section {
            background: white;
            color: black;
            border-radius: 16px;
            padding: 10px;
            margin: 10px 0;
            position: relative;
            overflow: hidden;
        }

        .benefits-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 0px;
            background: linear-gradient(to right, #ffb300, #ff9800);
        }

        .benefits-title {
            font-size: 32px;
            text-align: center;
            margin-bottom: 10px;
            color: #000;
            font-weight: 700;
            position: relative;
            z-index: 1;
        }

        .benefits-list {
            list-style: none;
            max-width: 900px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }

        .benefits-list li {
            padding: 20px 0 20px 50px;
            position: relative;
            font-size: 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.15);
            line-height: 1.6;
        }

        .benefits-list li:last-child {
            border-bottom: none;
        }

        .benefits-list li::before {
            content: "✨";
            position: absolute;
            left: 0;
            top: 20px;
            font-size: 24px;
            animation: sparkle 2s infinite;
        }

        @keyframes sparkle {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.6; }
        }

        .benefits-cta {
            text-align: center;
            margin-top: 10px;
            font-size: 20px;
            position: relative;
            z-index: 1;
        }

        .cta-section {
            text-align: center;
            padding: 10px 10px;
            background: linear-gradient(to right, #f9f9ff, #f0f5ff);
            border-radius: 16px;
            margin: 10px 0;
            border: 2px dashed #c5cae9;
            position: relative;
        }

        .cta-title {
            color: #323276;
            font-size: 32px;
            margin-bottom: 20px;
            font-weight: 800;
        }

        .cta-subtitle {
            color: #104862;
            font-size: 22px;
            margin-bottom: 40px;
            font-weight: 600;
        }

        .cta-button {
            display: inline-block;
            margin: 20px 0;
            transition: all 0.3s ease;
        }

        .cta-button:hover {
            transform: scale(1.05);
        }

        .cta-button img {
            max-width: 320px;
            height: auto;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
        }

        .cta-note {
            margin-top: 30px;
            color: #666;
            font-size: 16px;
            font-style: italic;
        }

        .footer {
            text-align: center;
            padding-top: 10px;
            border-top: 2px solid #eee;
            color: #777;
            font-size: 15px;
            margin-top: 10px;
        }

        /* 响应式设计 */
        @media (max-width: 1200px) {
            .container {
                padding: 5px;
                margin: 5px;
            }
            
            .intro-box {
                gap: 40px;
            }
            
            .book-cover {
                flex: 0 0 250px;
            }
        }

        @media (max-width: 992px) {
            .container {
                padding: 5px;
            }
            
            .main-title {
                 margin-top:25px;
                font-size: 32px;
            }
            
            .intro-box {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
            
            .book-cover {
                flex: none;
                width: 250px;
                margin: 0 auto 30px;
            }
            
            .intro-text {
                min-width: 100%;
            }
            
            .feature-content {
                grid-template-columns: 1fr;
            }
            
            .benefits-section {
                padding: 40px 30px;
            }
        }

        @media (max-width: 768px) {
            body {
                padding: 5px 5px;
            }
            
            .container {
                padding: 5px;
                border-radius: 16px;
            }
            
            .main-title {
                 margin-top:25px;
                font-size: 28px;
            }
            
            .subtitle {
                font-size: 20px;
            }
            
            .feature-section {
                padding: 5px;
            }
            
            .feature-title {
                font-size: 24px;
                flex-direction: column;
                text-align: center;
                gap: 15px;
            }
            
            .fengshui-section {
                padding: 30px 20px;
            }
            
            .benefits-title {
                font-size: 28px;
            }
            
            .benefits-list li {
                font-size: 16px;
                padding-left: 40px;
            }
            
            .cta-section {
                padding: 10px 10px;
            }
            
            .cta-title {
                font-size: 28px;
            }
        }

        @media (max-width: 480px) {
            .container {
                padding: 20px;
            }
            
            .main-title {
                 margin-top:25px;
                font-size: 24px;
            }
            
            .subtitle {
                font-size: 18px;
            }
            
            .gift-notice {
                font-size: 16px;
                padding: 10px 20px;
            }
            
            .intro-text p {
                font-size: 16px;
            }
            
            .line-button img {
                max-width: 280px;
            }
            
            .feature-item {
                padding: 20px;
            }
            
            .feature-item h4 {
                font-size: 20px;
            }
            
            .benefits-section {
                padding: 30px 20px;
            }
            
            .cta-button img {
                max-width: 280px;
            }
        }
        .breathe-image {
  animation: imageBreathe 0.5s ease-in-out infinite;
  border-radius: 10px;
  box-shadow: 0 15px 15px rgba(0,0,0,0.3);
}

@keyframes imageBreathe {
  0%, 100% {
    transform: scale(1);
    filter: brightness(1);
  }
  50% {
    transform: scale(1.03);
    filter: brightness(1.1);
  }
}