/* 基本設定 (不變) */
:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --accent-color: #28a745;
    --text-color: #333;
    --light-gray: #f8f9fa;
    --dark-gray: #343a40;
    --white: #fff;
    --border-color: #dee2e6;
}

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

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 0;
    
    

    
}

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

ul {
    list-style: none;
}

/* 按鈕樣式 (不變) */
.btn-primary {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--white);
    padding: 12px 25px;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.btn-primary:hover {
    background-color: #0056b3;
}

.btn-secondary {
    display: inline-block;
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 10px 20px;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.btn-secondary:hover {
    background-color: #5a6268;
}

.btn-login {
    /*background-color: var(--secondary-color);*/
    color: var(--white);
    padding: 8px 15px;
    border-radius: 5px;
    transition: background-color 0.3s ease;
    border:1px solid #FFF;
}

.btn-login:hover {
    background-color: #5a6268;
    color: var(--white);
}

/* Header (不變) */
header {
    background-color: #D85F29;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

header h1 {
    font-size: 28px;
    margin: 0;
}

header h1 a {
    color: #FFF;
    font-weight: 700;
}
header img{
		margin:5px 10px 0 0;
		float:left;
}

header nav ul {
    display: flex;
    gap: 25px;
}

header nav ul li a {
    color: #FFF;
    font-weight: 400;
    transition: color 0.3s ease;
}

header nav ul li a:hover {
    color:#e5e5e5;
}

.hamburger-menu {
    display: none; /* 預設隱藏 */
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.hamburger-menu span {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--dark-gray);
    border-radius: 5px;
    transition: all 0.3s ease;
}

/* Hero Slider Section */
#hero-slider {
    position: relative;
    width: 100%;
    height: 500px; /* 設定輪播區域的固定高度，或者使用 min-height */
    overflow: hidden;
    background-color: var(--dark-gray); /* 當圖片載入前或出錯時的背景色 */
}

.slider-wrapper {
    display: flex;
    width: 100%;
    height: 100%;
    position: relative; /* 使 slide-content 可以絕對定位 */
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out; /* 平滑過渡效果 */
    display: flex; /* 為了讓圖片和內容可以更好地佈局 */
    justify-content: center; /* 水平居中內容 */
    align-items: center; /* 垂直居中內容 */
}

.slide.active {
    opacity: 1;
    z-index: 1; /* 確保 active 的圖片在最上層 */
}

.slide a {
    display: block; /* 讓整個 slide 內容可點擊 */
    width: 100%;
    height: 100%;
    position: relative;
    color: var(--white); /* 讓連結內的文字為白色 */
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* 讓圖片覆蓋整個 slide 區域 */
    display: block;
}

.slide-content {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%); /* 水平居中 */
    width: 90%; /* 確保內容不會太寬 */
    max-width: 800px;
    text-align: center;
    color: var(--white);
    z-index: 2; /* 確保內容在圖片上方 */
    padding: 100px 0; /* 調整內容的上下內距，這會影響輪播區塊的實際高度 */
    display: flex; /* 使用 flexbox 讓內容垂直居中 */
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%; /* 讓內容區塊撐滿整個 slide */
}

.slide-content h2 {
    font-size: 48px;
    margin-bottom: 20px;
    line-height: 1.2;
}

.slide-content p {
    font-size: 20px;
    margin-bottom: 30px;
}

/* Slider Controls (左右箭頭) */
.slider-controls {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    transform: translateY(-50%);
    z-index: 3; /* 確保在圖片和內容上方 */
    padding: 0 20px;
}

.slider-controls button {
    background-color: rgba(0, 0, 0, 0.5);
    color: var(--white);
    border: none;
    padding: 15px 20px;
    font-size: 24px;
    cursor: pointer;
    border-radius: 50%;
    transition: background-color 0.3s ease;
    outline: none;
}

.slider-controls button:hover {
    background-color: rgba(0, 0, 0, 0.8);
}

/* Slider Dots (下方點點) */
.slider-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 3;
}

.dot {
    width: 12px;
    height: 12px;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.dot.active {
    background-color: var(--white);
    transform: scale(1.2);
}

/* Course Section (不變) */
#courses {
    padding: 60px 0;
    background-color: var(--white);
}

#courses h3, #features h3 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 40px;
    color: var(--dark-gray);
}

.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.course-card {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.course-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.course-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.course-card h4 {
    font-size: 22px;
    margin: 15px 15px 10px;
    color: var(--dark-gray);
}

.course-card p {
    font-size: 15px;
    color: var(--secondary-color);
    margin: 0 15px 15px;
}

.course-meta {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    color: var(--secondary-color);
    margin: 0 15px 15px;
    padding-top: 10px;
    border-top: 1px dashed var(--border-color);
}

.course-card .btn-secondary {
    display: block;
    width: calc(100% - 30px);
    margin: 0 15px 15px;
    text-align: center;
}

/* Features Section (不變) */
#features {
    padding: 60px 0;
    background-color: var(--light-gray);
    text-align: center;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-item {
    background-color: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
}

.feature-item i {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.feature-item .icon-flexible::before { content: ''; }
.feature-item .icon-expert::before { content: ''; }
.feature-item .icon-certificate::before { content: ''; }


.feature-item h4 {
    font-size: 24px;
    margin-bottom: 10px;
    color: var(--dark-gray);
}

.feature-item p {
    color: var(--secondary-color);
}

/* Footer (不變) */
footer {
    background-color: #CACACA;
    color: #111;
    padding: 30px 0;
    text-align: center;
}

footer .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.social-links a {
    margin: 0 10px;
}

.social-links img {
    width: 24px;
    height: 24px;
    vertical-align: middle;
}

/* RWD 響應式設計 */
@media (max-width: 992px) {
    #hero-slider {
        height: 400px; /* 平板下的高度 */
    }

    .slide-content h2 {
        font-size: 40px;
    }

    .slide-content p {
        font-size: 18px;
    }

    .course-grid, .feature-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    header .container {
        flex-wrap: wrap;
        padding: 10px 0;
    }

    header h1 {
        font-size: 24px;
        flex-grow: 1;
    }
    
    header nav {
        order: 3;
        width: 100%;
        margin-top: 15px;
    }

    header nav ul {
        flex-direction: column;
        display: none;
        width: 100%;
        background-color: var(--white);
        border-top: 1px solid var(--border-color);
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
        position: absolute;
        left: 0;
        top: 60px;
        padding: 10px 0;
        z-index: 999;
    }

    header nav ul.active {
        display: flex;
    }

    header nav ul li {
        text-align: center;
        margin: 10px 0;
    }

    header nav ul li a {
        padding: 10px 0;
        display: block;
    		color: #111;
    }
    
		.btn-login {
				width:50%;
				margin:0 auto;
    		color: var(--dark-gray);
		    border:1px solid #e5e5e5;
		}
		
		.hamburger-menu {
				display: flex;
		}

    .hamburger-menu.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger-menu.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger-menu.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    #hero-slider {
        height: 350px; /* 手機下的高度 */
    }

    .slide-content h2 {
        font-size: 36px;
    }

    .slide-content p {
        font-size: 16px;
    }

    .course-grid {
        grid-template-columns: 1fr;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }

    footer .container {
        flex-direction: column;
        gap: 10px;
    }
    
}

@media (max-width: 480px) {
    .container {
        width: 95%;
    }

    #hero-slider {
        height: 300px; /* 更小手機下的高度 */
    }

    .slide-content h2 {
        font-size: 28px;
    }

    .slide-content p {
        font-size: 14px;
    }

    .btn-primary {
        padding: 10px 20px;
        font-size: 14px;
    }

    #courses h3, #features h3 {
        font-size: 26px;
    }

    .slider-controls button {
        padding: 10px 15px;
        font-size: 18px;
    }

}