/* 現代化響應式設計樣式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    margin-top: 20px;
    margin-bottom: 20px;
}

.header {
    text-align: center;
    margin-bottom: 40px;
    padding: 30px 0;
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    border-radius: 15px;
    color: white;
    box-shadow: 0 10px 30px rgba(255, 107, 107, 0.3);
}

.header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.nav-menu {
    background: #fff;
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.nav-menu h2 {
    color: #ff6b6b;
    font-size: 1.5rem;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 3px solid #ff6b6b;
}

.nav-menu ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 15px;
}

.nav-menu li {
    background: #f8f9fa;
    border-radius: 10px;
    transition: all 0.3s ease;
    border-left: 4px solid #ff6b6b;
}

.nav-menu li:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    background: #fff;
}

.nav-menu a {
    display: block;
    padding: 15px 20px;
    color: #333;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #ff6b6b;
}

.faq-section {
    background: #fff;
    border-radius: 15px;
    margin-bottom: 30px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.faq-section:hover {
    transform: translateY(-2px);
}

.faq-question {
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    color: white;
    padding: 20px;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    width: 100%;
    text-align: left;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: linear-gradient(135deg, #ee5a24, #ff6b6b);
}

.faq-answer {
    padding: 25px;
    background: #fff;
    border-top: 1px solid #eee;
}

.faq-answer p {
    margin-bottom: 15px;
    font-size: 1rem;
    line-height: 1.7;
}

.faq-answer strong {
    color: #ff6b6b;
    font-weight: 600;
}

.faq-answer ol, .faq-answer ul {
    margin: 15px 0;
    padding-left: 25px;
}

.faq-answer li {
    margin-bottom: 10px;
    line-height: 1.6;
}

.image-container {
    text-align: center;
    margin: 20px 0;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 10px;
    border: 2px dashed #ddd;
    transition: all 0.3s ease;
}

.image-container:hover {
    border-color: #ff6b6b;
    background: #fff;
}

.image-container img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.image-container img:hover {
    transform: scale(1.02);
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    color: white;
    border: none;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(255, 107, 107, 0.4);
    transition: all 0.3s ease;
    z-index: 1000;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 107, 107, 0.6);
}

.qr-section {
    background: #fff;
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
}

.qr-code {
    display: inline-block;
    padding: 20px;
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    margin: 20px 0;
    transition: transform 0.3s ease;
}

.qr-code:hover {
    transform: scale(1.05);
}

.qr-code img {
    max-width: 200px;
    height: auto;
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 30px 0;
}

.step-item {
    background: #fff;
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border-left: 5px solid #ff6b6b;
}

.step-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.step-item h3 {
    color: #ff6b6b;
    font-size: 1.3rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.step-item p {
    margin-bottom: 15px;
    line-height: 1.6;
}

.step-item img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin-top: 15px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

/* 響應式設計 */
@media (max-width: 768px) {
    .container {
        margin: 10px;
        padding: 15px;
        border-radius: 15px;
    }
    
    .header h1 {
        font-size: 2rem;
    }
    
    .header p {
        font-size: 1rem;
    }
    
    .nav-menu ul {
        grid-template-columns: 1fr;
    }
    
    .steps-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        margin: 5px;
        padding: 10px;
    }
    
    .header {
        padding: 20px 15px;
    }
    
    .header h1 {
        font-size: 1.8rem;
    }
    
    .faq-question {
        padding: 15px;
        font-size: 1.1rem;
    }
    
    .faq-answer {
        padding: 20px 15px;
    }
    
    .nav-menu {
        padding: 15px;
    }
    
    .step-item {
        padding: 20px 15px;
    }
}

/* 動畫效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.faq-section {
    animation: fadeInUp 0.6s ease-out;
}

.step-item {
    animation: fadeInUp 0.6s ease-out;
}

/* 滾動條樣式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #ee5a24, #ff6b6b);
}