/* --- 全域設定與字體 --- */
body {
    font-family: 'Noto Sans TC', sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f8f8f8;
    color: #333;
}

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

h1, h2, h3, h4 {
    font-weight: 700;
    color: #FF7F50; /* 核心品牌色：鮭魚橘/珊瑚色 */
}

/* --- 頂部導航列 (Header) --- */
header {
    background-color: #333;
    color: white;
    padding: 10px 0;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

header h1 {
    color: white;
    float: left;
    margin: 0;
    font-size: 24px;
}

header nav ul {
    float: right;
    list-style: none;
    margin: 0;
    padding: 0;
}

header nav ul li {
    display: inline;
    margin-left: 20px;
}

header nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: 400;
    transition: color 0.3s;
}

header nav ul li a:hover {
    color: #FFD700; /* 金色，強調科技感 */
}

/* 清除浮動 */
header .container::after {
    content: "";
    display: table;
    clear: both;
}

/* --- 橫幅區塊 (Hero) --- */
.hero-section {
    background: linear-gradient(135deg, #FFDAB9, #FF7F50); /* 柔和漸變 */
    color: white;
    text-align: center;
    padding: 100px 0;
}

.hero-section h2 {
    font-size: 48px;
    margin-bottom: 15px;
    color: white;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.2);
}

.hero-section p {
    font-size: 18px;
    margin-bottom: 30px;
}

/* CTA 按鈕 */
.cta-button {
    display: inline-block;
    background-color: #4CAF50; /* 綠色，強調行動 */
    color: white;
    padding: 12px 25px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 700;
    transition: background-color 0.3s;
}

.cta-button:hover {
    background-color: #45a049;
}

.secondary-button {
    background-color: #FFA500; /* 橘色，強調次要行動 */
    margin-top: 15px;
}

.secondary-button:hover {
    background-color: #cc8400;
}

/* --- 區塊樣式 --- */
section {
    padding: 60px 0;
    text-align: center;
}

section h3 {
    font-size: 36px;
    margin-bottom: 40px;
}

/* 關於我們 */
.about-section {
    background-color: white;
}

.founder-bio {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
}

.profile-photo {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid #FF7F50;
    margin-bottom: 15px;
}

/* 產品特色 */
.product-section {
    background-color: #f0f0f0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.features-grid div {
    background-color: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: left;
}

.features-grid h4 {
    color: #007bff; /* 藍色，強調技術與精準 */
    margin-top: 0;
}

.product-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

/* 品牌新聞 */
.news-section {
    background-color: white;
}

.news-item {
    border: 1px solid #ddd;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 8px;
    text-align: left;
}

.news-item h4 {
    color: #FF7F50;
    margin-top: 0;
}

.news-item a {
    color: #007bff;
    text-decoration: none;
    font-weight: 700;
}

/* 合作洽詢 */
.contact-section {
    background-color: #333;
    color: white;
}

.contact-section h3, .contact-section p {
    color: white;
}

/* 底部 */
footer {
    background-color: #222;
    color: #aaa;
    padding: 20px 0;
    text-align: center;
    font-size: 14px;
}

/* --- 響應式設計 (RWD) --- */
@media (max-width: 768px) {
    .hero-section h2 {
        font-size: 36px;
    }

    header h1, header nav ul {
        float: none;
        text-align: center;
    }

    header nav ul li {
        margin: 0 10px;
    }
}