/* Basic Reset & Typography */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans TC', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f4f7f6;
}

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

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    margin-bottom: 15px;
    color: #2c3e50;
}

h2 {
    font-size: 2.5em;
    text-align: center;
    margin-bottom: 40px;
}

h3 {
    font-size: 1.8em;
    margin-bottom: 10px;
}

p {
    margin-bottom: 15px;
}

a {
    color: #3498db;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

ul {
    list-style: none;
}

/* Header */
.main-header {
    background-color: #ffffff;
    padding: 20px 0;
    border-bottom: 1px solid #eee;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

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

.logo {
    font-size: 1.8em;
    color: #2c3e50;
    margin: 0;
}

.main-nav ul {
    display: flex;
}

.main-nav li {
    margin-left: 25px;
}

.main-nav a {
    font-weight: 400;
    color: #555;
    transition: color 0.3s ease;
}

.main-nav a:hover {
    color: #3498db;
    text-decoration: none;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 5px;
    font-weight: 700;
    text-align: center;
    transition: background-color 0.3s ease, color 0.3s ease;
    white-space: nowrap;
}

.btn-primary {
    background-color: #3498db;
    color: #ffffff;
    border: 1px solid #3498db;
}

.btn-primary:hover {
    background-color: #2980b9;
    border-color: #2980b9;
}

.btn-secondary {
    background-color: #ffffff;
    color: #3498db;
    border: 1px solid #3498db;
}

.btn-secondary:hover {
    background-color: #f0f8ff;
    color: #2980b9;
}

.btn-tertiary {
    background-color: #ecf0f1;
    color: #2c3e50;
    border: 1px solid #ecf0f1;
}

.btn-tertiary:hover {
    background-color: #bdc3c7;
    color: #2c3e50;
}

.cta-group {
    margin-top: 30px;
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
}

/* Sections */
section {
    padding: 80px 0;
    border-bottom: 1px solid #eee;
}

section:last-of-type {
    border-bottom: none;
}

/* Hero Section */
.hero-section {
    background-color: #eaf4ff;
    text-align: center;
    padding: 100px 0;
}

.hero-section .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-align: left;
    gap: 40px;
}

.hero-content {
    flex: 2;
}

.hero-image {
    flex: 1;
    min-width: 300px;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.hero-section h2 {
    font-size: 3em;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #2c3e50;
    text-align: left;
}

.hero-section .subtitle {
    font-size: 1.3em;
    color: #555;
    margin-bottom: 25px;
    font-weight: 300;
}

.product-highlights {
    background-color: #ffffff;
    border-left: 5px solid #3498db;
    padding: 20px;
    margin-top: 30px;
    text-align: left;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    border-radius: 5px;
}

.product-highlights h3 {
    color: #3498db;
    margin-bottom: 10px;
}

.product-highlights ul {
    list-style: disc inside;
    padding-left: 20px;
}

.product-highlights li {
    margin-bottom: 8px;
}

/* Features Section */
.features-section {
    background-color: #ffffff;
}

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

.feature-item {
    background-color: #fdfdfd;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
}

.feature-item h3 {
    color: #3498db;
    font-size: 1.5em;
    margin-bottom: 15px;
}

.feature-item .benefit {
    font-style: italic;
    color: #555;
    margin-top: 15px;
    border-top: 1px dashed #eee;
    padding-top: 10px;
}

/* Use Cases Section */
.use-cases-section {
    background-color: #eaf4ff;
}

.use-case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.use-case-item {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.use-case-item h3 {
    color: #2c3e50;
    font-size: 1.5em;
    margin-bottom: 10px;
}

.use-case-item .scenario {
    font-weight: 700;
    color: #3498db;
    margin-bottom: 10px;
}

/* Testimonials Section */
.testimonials-section {
    background-color: #ffffff;
    text-align: center;
}

.testimonial-placeholder p {
    font-style: italic;
    margin-bottom: 10px;
    color: #555;
}

/* FAQ Section */
.faq-section {
    background-color: #fdfdfd;
}

.faq-placeholder h3 {
    color: #2c3e50;
    margin-bottom: 10px;
    font-size: 1.4em;
}

.faq-placeholder p {
    margin-bottom: 25px;
    padding-left: 20px;
    border-left: 3px solid #ccc;
}

/* Footer */
.main-footer {
    background-color: #2c3e50;
    color: #ffffff;
    padding: 60px 0 30px;
    text-align: center;
}

.footer-cta h2 {
    color: #ffffff;
    font-size: 2.2em;
    margin-bottom: 20px;
}

.footer-cta p {
    max-width: 800px;
    margin: 0 auto 30px;
    font-size: 1.1em;
    line-height: 1.8;
}

.main-footer .cta-group a {
    color: #ffffff;
    border-color: #ffffff;
}

.main-footer .cta-group .btn-primary {
    background-color: #3498db;
    border-color: #3498db;
}

.main-footer .cta-group .btn-primary:hover {
    background-color: #2980b9;
    border-color: #2980b9;
}

.main-footer .cta-group .btn-secondary {
    background-color: transparent;
    border-color: #ffffff;
    color: #ffffff;
}

.main-footer .cta-group .btn-secondary:hover {
    background-color: rgba(255,255,255,0.1);
}

.main-footer .cta-group .btn-tertiary {
    background-color: transparent;
    border-color: #bbb;
    color: #bbb;
}

.main-footer .cta-group .btn-tertiary:hover {
    background-color: rgba(255,255,255,0.05);
}

.main-footer p {
    margin-top: 50px;
    font-size: 0.9em;
    color: #ccc;
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero-section .container {
        flex-direction: column;
        text-align: center;
    }

    .hero-content, .hero-image {
        flex: none;
        width: 100%;
    }

    .hero-section h2 {
        font-size: 2.5em;
        text-align: center;
    }

    .hero-section .subtitle {
        font-size: 1.1em;
    }

    .product-highlights {
        text-align: left;
    }

    .main-nav {
        margin-top: 15px;
    }

    .main-nav ul {
        flex-direction: column;
        gap: 10px;
    }

    .main-nav li {
        margin-left: 0;
    }
}

@media (max-width: 768px) {
    h2 {
        font-size: 2em;
        margin-bottom: 30px;
    }

    section {
        padding: 60px 0;
    }

    .hero-section {
        padding: 80px 0;
    }

    .hero-section h2 {
        font-size: 2em;
    }

    .cta-group {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 80%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 1.5em;
    }

    .main-header .container {
        flex-direction: column;
        text-align: center;
    }

    .main-nav ul {
        margin-top: 15px;
        gap: 8px;
    }

    h2 {
        font-size: 1.8em;
    }

    .hero-section h2 {
        font-size: 1.8em;
    }

    .btn {
        width: 100%;
        padding: 10px 20px;
    }

    .product-highlights {
        padding: 15px;
    }

    .feature-item, .use-case-item {
        padding: 20px;
    }

    .footer-cta h2 {
        font-size: 1.8em;
    }
}