/* --- Global Styles & Variables --- */
:root {
    --deep-blue: #040b57;
    --bright-yellow: #ffd700;
    --dark-text: #333333;
    --light-text: #ffffff;
    --background-light: #ffffff;
    --background-grey: #f8f9fa;
    --border-color: #e0e0e0;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans TC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.7;
    color: var(--dark-text);
    background-color: var(--background-light);
    font-size: 16px;
}

.landpage_container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

h1, h2, h3 {
    line-height: 1.3;
    font-weight: 700;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.2rem; color: var(--deep-blue); }
h3 { font-size: 1.4rem; color: var(--deep-blue); }

p {
    margin-bottom: 1rem;
}

section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    margin-bottom: 1rem;
}

.section-title p {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-block;
    background-color: var(--bright-yellow);
    color: var(--deep-blue);
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 2px solid var(--bright-yellow);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
}

.cta-button.large {
    padding: 15px 40px;
    font-size: 1.1rem;
}

/* --- Hero Section --- */
.hero-section {
    background-color: var(--deep-blue);
    color: var(--light-text);
    padding: 120px 0;
    text-align: center;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.hero-content {
    flex: 1 1 0;
    max-width: 50%;
}

.hero-image {
    flex: 1 1 0;
    display: flex;
    justify-content: center;
    align-items: center;
}


.hero-image img {
    max-width: 500px;
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(4,11,87,0.10);
}

/* Hero main image (land.png) larger and with aspect ratio */
.hero-main-image {
    max-width: 540px;
    width: 100%;
    aspect-ratio: 16/11;
    height: auto;
    border-radius: 18px;
    box-shadow: 0 12px 36px rgba(4,11,87,0.13);
    display: block;
    margin-left: 40px;
    object-fit: cover;
}

@media (max-width: 992px) {
    .hero-main-image {
        max-width: 340px;
        margin-left: 0;
    }
}

.hero-content {
    max-width: 800px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: 400;
    opacity: 0.9;
    margin-bottom: 2.5rem;
}

/* 響應式調整 */
@media (max-width: 992px) {
    .hero-flex {
        flex-direction: column;
        gap: 30px;
    }
    .hero-content, .hero-image {
        max-width: 100%;
    }
    .hero-image img {
        max-width: 320px;
    }
}

/* --- Features Intro Section --- */
.features-intro-section {
    background-color: var(--background-grey);
}

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

.feature-card {
    background: var(--background-light);
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(4, 11, 87, 0.1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px auto;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.feature-card h3 {
    margin-bottom: 15px;
}

/* --- Feature Showcase Section --- */
.showcase-item {
    display: flex;
    align-items: center;
    gap: 60px;
    margin-bottom: 80px;
}

.showcase-item:last-child {
    margin-bottom: 0;
}

.showcase-item.reverse {
    flex-direction: row-reverse;
}

.showcase-image {
    flex: 1;
}

.showcase-image img {
    width: 100%;
    height: auto;
    border-radius: 10px;
}

.showcase-text {
    flex: 1;
}

.showcase-text .highlight-text {
    display: inline-block;
    color: var(--deep-blue);
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: 1px;
    position: relative;
    padding-left: 20px;
}
.showcase-text .highlight-text::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 10px;
    height: 10px;
    background-color: var(--bright-yellow);
    border-radius: 50%;
}


.showcase-text h2 {
    margin-bottom: 20px;
}

.showcase-text ul {
    list-style: none;
    padding-left: 0;
    margin-top: 20px;
}

.showcase-text ul li {
    padding-left: 30px;
    position: relative;
    margin-bottom: 10px;
}

.showcase-text ul li::before {
    content: '✓';
    color: var(--bright-yellow);
    font-weight: 700;
    position: absolute;
    left: 0;
    top: 0;
    font-size: 1.2rem;
}

/* --- About Us Section --- */
.about-us-section {
    background-color: var(--background-grey);
}

.small-container {
    max-width: 800px;
    text-align: center;
}

.about-us-text {
    font-size: 1.1rem;
    line-height: 1.8;
}

/* --- Final CTA Section --- */
.final-cta-section {
    background-color: #8a8a8a; /* 原本是 var(--deep-blue); */
    color: var(--light-text);
    text-align: center;
}

.final-cta-section h2 {
    color: var(--light-text);
    font-size: 2.5rem;
}

.final-cta-section p {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 2.5rem;
}

/* --- Responsive Design --- */
@media (max-width: 992px) {
    h1 { font-size: 2.8rem; }
    .hero-title { font-size: 3rem; }
    h2 { font-size: 2rem; }

    .showcase-item, .showcase-item.reverse {
        flex-direction: column;
        text-align: center;
    }

    .showcase-text {
        margin-top: 40px;
    }
}

@media (max-width: 768px) {
    section {
        padding: 60px 0;
    }

    h1 { font-size: 2.2rem; }
    .hero-title { font-size: 2.5rem; }
    h2 { font-size: 1.8rem; }
    h3 { font-size: 1.2rem; }

    .hero-section {
        padding: 80px 0;
    }
    
    .showcase-text ul {
        text-align: left;
        display: inline-block;
    }
    .showcase-text .highlight-text::before {
        display: none; /* Hide element on smaller screens for cleaner look */
    }
     .showcase-text .highlight-text{
        padding-left: 0;
     }

}