/* 全局樣式 */
:root {
    --primary-color: #0072c6;
    --secondary-color: #00b050;
    --accent-color: #ff8c00;
    --dark-color: #333;
    --light-color: #f8f9fa;
    --gray-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --white-color: #ffffff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans TC', sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--white-color);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
}

a:hover {
    color: var(--secondary-color);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--accent-color);
    border-radius: 2px;
}

.section-description {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
    font-size: 1.1rem;
    color: var(--gray-color);
}

.bg-light {
    background-color: var(--light-color);
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white-color);
}

.btn-primary:hover {
    background-color: #005ea3;
    color: var(--white-color);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--white-color);
}

.btn-secondary:hover {
    background-color: #009040;
    color: var(--white-color);
}

.btn-download {
    background-color: var(--accent-color);
    color: var(--white-color);
    padding: 8px 16px;
    font-size: 0.9rem;
}

.btn-download:hover {
    background-color: #e67e00;
    color: var(--white-color);
}

.btn-lg {
    padding: 15px 30px;
    font-size: 1.1rem;
}

.btn-block {
    display: block;
    width: 100%;
}

/* 導航欄 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--white-color);
    box-shadow: var(--shadow);
    z-index: 1000;
    padding: 15px 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 40px;
    margin-right: 10px;
}

.logo span {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
}

.nav-menu li {
    margin-left: 20px;
}

.nav-menu a {
    color: var(--dark-color);
    font-weight: 500;
    padding: 8px 12px;
    border-radius: 4px;
}

.nav-menu a:hover, .nav-menu a.active {
    color: var(--primary-color);
    background-color: rgba(0, 114, 198, 0.1);
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary-color);
}

/* 首頁區塊 */
.hero {
    padding: 150px 0 80px;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e7eb 100%);
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.hero-content {
    flex: 1;
    padding-right: 40px;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.hero-content p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--gray-color);
}

.hero-buttons {
    display: flex;
    gap: 15px;
}

.hero-image {
    flex: 1;
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-15px);
    }
    100% {
        transform: translateY(0px);
    }
}

/* 課程模組區塊 */
.tabs {
    margin-top: 40px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.tab-header {
    display: flex;
    background-color: var(--primary-color);
}

.tab-btn {
    flex: 1;
    padding: 20px;
    text-align: center;
    color: var(--white-color);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.tab-btn i {
    font-size: 1.5rem;
}

.tab-btn.active {
    background-color: var(--white-color);
    color: var(--primary-color);
}

.tab-content {
    background-color: var(--white-color);
    padding: 30px;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tab-pane h3 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.module-goal {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: var(--secondary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.module-content h4 {
    color: var(--accent-color);
    margin-top: 1.5rem;
    margin-bottom: 1rem;
}

.module-content ul li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 25px;
}

.module-content ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-size: 1.5rem;
}

.module-activities {
    margin-top: 2rem;
}

.activity-card {
    display: flex;
    align-items: center;
    gap: 20px;
    background-color: var(--light-color);
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 15px;
    transition: var(--transition);
}

.activity-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.activity-icon {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white-color);
    font-size: 1.5rem;
}

.activity-details h5 {
    color: var(--dark-color);
    margin-bottom: 5px;
}

.resource-download {
    margin-top: 2rem;
    text-align: right;
}

/* 教學策略區塊 */
.strategies-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.strategy-card {
    background-color: var(--white-color);
    border-radius: 10px;
    padding: 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.strategy-card:hover {
    transform: translateY(-10px);
}

.strategy-icon {
    width: 70px;
    height: 70px;
    background-color: rgba(0, 114, 198, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--primary-color);
    font-size: 1.8rem;
}

.strategy-card h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.strategy-example {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px dashed #ddd;
}

.strategy-example h4 {
    color: var(--accent-color);
    margin-bottom: 10px;
    font-size: 1rem;
}

/* 評量方式區塊 */
.assessment-container {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    margin-top: 40px;
}

.assessment-chart {
    flex: 1;
    min-width: 300px;
}

.assessment-details {
    flex: 1;
    min-width: 300px;
}

.assessment-item {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    padding: 15px;
    background-color: var(--white-color);
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.assessment-item:hover {
    transform: translateX(10px);
}

.assessment-percentage {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    color: var(--white-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    margin-right: 20px;
}

.assessment-info h3 {
    margin-bottom: 5px;
}

.assessment-info p {
    color: var(--gray-color);
}

/* 教學資源區塊 */
.resources-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.resource-category {
    background-color: var(--white-color);
    border-radius: 10px;
    padding: 25px;
    box-shadow: var(--shadow);
}

.resource-category h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.resource-list li {
    margin-bottom: 15px;
}

.resource-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.resource-link {
    width: 36px;
    height: 36px;
    background-color: var(--light-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    transition: var(--transition);
}

.resource-link:hover {
    background-color: var(--primary-color);
    color: var(--white-color);
}

.download-all {
    text-align: center;
    margin-top: 40px;
}

/* 學習進度追蹤區塊 */
.login-register {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    margin-top: 40px;
}

.form-container {
    flex: 1;
    min-width: 300px;
    background-color: var(--white-color);
    border-radius: 10px;
    padding: 30px;
    box-shadow: var(--shadow);
}

.form-tabs {
    display: flex;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--light-color);
}

.form-tab {
    padding: 10px 20px;
    cursor: pointer;
    font-weight: 500;
}

.form-tab.active {
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
}

.form-content form {
    display: none;
}

.form-content form.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input, .form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus, .form-group select:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 114, 198, 0.2);
}

.progress-preview {
    flex: 1;
    min-width: 300px;
}

.progress-preview h3 {
    margin-bottom: 20px;
    color: var(--primary-color);
}

.progress-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 15px;
    background-color: var(--white-color);
    padding: 15px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.feature-item i {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.progress-demo {
    text-align: center;
    margin-top: 30px;
}

.progress-demo img {
    border-radius: 10px;
    box-shadow: var(--shadow);
    max-width: 100%;
}

/* 頁尾 */
.footer {
    background-color: var(--dark-color);
    color: var(--white-color);
    padding: 60px 0 20px;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    flex: 1;
    min-width: 200px;
}

.footer-logo img {
    height: 50px;
    margin-bottom: 15px;
}

.footer-links {
    flex: 1;
    min-width: 200px;
}

.footer-links h3, .footer-contact h3 {
    color: var(--accent-color);
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a {
    color: #ccc;
    transition: var(--transition);
}

.footer-links ul li a:hover {
    color: var(--white-color);
    padding-left: 5px;
}

.footer-contact {
    flex: 1;
    min-width: 200px;
}

.footer-contact p {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-contact p i {
    color: var(--accent-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* 響應式設計 */
@media (max-width: 992px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-content p {
        font-size: 1.2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .menu-toggle {
        display: block;
        position: absolute;
        top: 15px;
        right: 20px;
    }
    
    .nav-menu {
        display: none;
        flex-direction: column;
        width: 100%;
        margin-top: 15px;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu li {
        margin: 0;
        width: 100%;
    }
    
    .nav-menu a {
        display: block;
        padding: 10px 0;
        width: 100%;
    }
    
    .hero .container {
        flex-direction: column;
    }
    
    .hero-content {
        padding-right: 0;
        margin-bottom: 40px;
        text-align: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .tab-header {
        flex-direction: column;
    }
    
    .assessment-container, .login-register {
        flex-direction: column;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
    }
}

@media (max-width: 576px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .btn {
        padding: 10px 20px;
    }
    
    .strategies-container, .resources-container {
        grid-template-columns: 1fr;
    }
    
    .progress-features {
        grid-template-columns: 1fr;
    }
}