/* 全域變數與重設 */
:root {
    --primary-color: #0b3d60; /* 參考附圖的深藍色 */
    --secondary-color: #1a5b82;
    --accent-color: #e2e8f0;
    --text-color: #333333;
    --light-bg: #f9fbfd;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'PingFang TC', 'Microsoft JhengHei', 'Noto Sans TC', sans-serif;
    scroll-behavior: smooth; /* 點擊導覽列時會有平滑滾動效果 */
}

body {
    color: var(--text-color);
    line-height: 1.6;
    background-color: #ffffff;
}

/* 導覽列 */
header {
    background-color: var(--primary-color);
    color: white;
    padding: 1.2rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.logo {
    font-size: 1.2rem;
    font-weight: bold;
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-size: 0.95rem;
    transition: opacity 0.3s;
}

.nav-links a:hover {
    opacity: 0.8;
}

/* 首頁橫幅 (Hero Section) */
.hero {
    background: linear-gradient(rgba(11, 61, 96, 0.85), rgba(26, 91, 130, 0.85)), url('https://images.unsplash.com/photo-1454165804606-c3d57bc86b40?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80') center/cover;
    color: white;
    text-align: center;
    padding: 120px 20px;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.hero > p {
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto 30px auto;
    font-weight: 300;
}

.highlight-box {
    background-color: rgba(255, 255, 255, 0.15);
    padding: 20px 30px;
    border-radius: 4px;
    border-left: 4px solid white;
    max-width: 800px;
    margin: 0 auto;
    backdrop-filter: blur(5px);
}

.highlight-box p {
    margin: 0;
    font-size: 1.05rem;
}

/* 價值主張區塊 */
.value-section {
    padding: 80px 5%;
    background-color: #ffffff;
    text-align: center;
}

.value-section h2 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 15px;
}

.value-section > p {
    font-size: 1.1rem;
    margin-bottom: 50px;
    color: #666;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.benefit-card {
    background: white;
    padding: 30px 20px;
    border-radius: 8px;
    border: 1px solid #eee;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
}

.benefit-card h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.benefit-card p {
    color: #555;
    font-size: 0.95rem;
}

/* 服務項目區塊 */
.services-section {
    padding: 80px 5%;
    background-color: var(--light-bg);
}

.section-title {
    text-align: center;
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 50px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.service-item {
    background: white;
    border: 1px solid var(--primary-color);
    padding: 30px;
    border-radius: 8px;
}

.service-item h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.service-item p {
    color: #555;
    font-size: 0.95rem;
}

/* 線上估價區塊 (Pricing Section) */
.pricing-section {
    padding: 80px 5%;
    background-color: #ffffff; 
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.pricing-card {
    border: 1px solid var(--primary-color);
    border-radius: 8px;
    padding: 40px 30px;
    background: white;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.pricing-card h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.target-audience {
    font-size: 0.95rem;
    color: var(--secondary-color);
    margin-bottom: 25px;
    font-weight: bold;
    border-bottom: 1px solid #eee;
    padding-bottom: 15px;
}

.features {
    list-style: none;
    margin-bottom: 30px;
    flex-grow: 1; 
}

.features li {
    margin-bottom: 12px;
    font-size: 0.95rem;
    color: #444;
}

.price {
    text-align: right;
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 25px;
}

.price span {
    font-size: 2.2rem;
}

.apply-btn {
    display: block;
    text-align: center;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    padding: 15px;
    border-radius: 4px;
    font-weight: bold;
    transition: background-color 0.3s;
}

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

/* 聯絡我們表單 */
.contact-section {
    padding: 80px 5%;
    background-color: var(--light-bg);
}

.contact-container {
    max-width: 700px;
    margin: 0 auto;
    background: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--primary-color);
    font-size: 0.95rem;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.submit-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 1rem;
    border-radius: 4px;
    cursor: pointer;
    width: 100%;
    transition: background-color 0.3s;
    font-weight: bold;
}

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

/* 頁尾 */
footer {
    background-color: var(--primary-color);
    color: white;
    text-align: center;
    padding: 30px 20px;
}

/* 響應式微調 (手機版) */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        gap: 15px;
    }
    .hero h1 { font-size: 2rem; }
    .hero p { font-size: 1rem; }
    .nav-links { gap: 15px; }
}