/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

/* Header Styles */
.header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 102, 102, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-logo .logo {
    height: 40px;
    width: auto;
    display: block;
    max-width: 200px;
}

.company-name {
    font-size: 1.2rem;
    font-weight: 600;
    color: #006666;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-item {
    position: relative;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 0.5rem 0;
}

.nav-link:hover {
    color: #006666;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #fff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    padding: 1rem 0;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    list-style: none;
}

.nav-item:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    padding: 0;
}

.dropdown-menu a {
    display: block;
    padding: 0.5rem 1.5rem;
    color: #333;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.dropdown-menu a:hover {
    background-color: #f8f9fa;
    color: #006666;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle .bar {
    width: 25px;
    height: 3px;
    background-color: #006666;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    overflow: hidden;
    margin-top: 80px;
}

.hero-slider {
    height: 100%;
    position: relative;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.slide.active {
    opacity: 1;
}

.slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.slide-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slide-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 102, 102, 0.8), rgba(0, 102, 102, 0.6));
    z-index: 2;
}

.slide-content {
    position: relative;
    z-index: 3;
    height: 100%;
    display: flex;
    align-items: center;
    color: #fff;
}

.slide-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.slide-subtitle {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    line-height: 1.4;
}

.slide-description {
    font-size: 1.1rem;
    line-height: 1.6;
    max-width: 600px;
}

.hero-nav {
    position: absolute;
    bottom: 30px;
    right: 30px;
    z-index: 4;
    display: flex;
    gap: 10px;
}

.hero-prev,
.hero-next {
    background-color: rgba(255, 255, 255, 0.2);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 10px 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.hero-prev:hover,
.hero-next:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

/* Section Styles */
.section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #006666;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.2rem;
    color: #666;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Technology Section */
.technology-section {
    background-color: #f8f9fa;
}

.tech-timeline {
    max-width: 1000px;
    margin: 0 auto;
}

.timeline-header {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.timeline-stage {
    text-align: center;
    font-size: 0.9rem;
    font-weight: 500;
    color: #666;
    padding: 0.5rem;
}

.timeline-progress {
    background-color: #e0e0e0;
    height: 4px;
    border-radius: 2px;
    margin-bottom: 3rem;
    position: relative;
}

.progress-bar {
    background: linear-gradient(90deg, #006666, #00a3a3);
    height: 100%;
    border-radius: 2px;
    transition: width 0.8s ease;
}

.timeline-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.timeline-item {
    background-color: #fff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 102, 102, 0.1);
    border-left: 4px solid #006666;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.timeline-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 102, 102, 0.15);
}

.timeline-item h3 {
    color: #006666;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.tech-type {
    background-color: #006666;
    color: #fff;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    display: inline-block;
    margin-bottom: 1rem;
}

.timeline-item p {
    color: #666;
    line-height: 1.6;
}

/* Offer Section */
.offer-section {
    background-color: #fff;
}

.offer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.offer-card {
    text-align: center;
    padding: 2.5rem 2rem;
    background-color: #f8f9fa;
    border-radius: 12px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.offer-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 102, 102, 0.15);
}

.offer-icon {
    margin-bottom: 1.5rem;
}

.offer-icon img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
}

.offer-card h3 {
    color: #006666;
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.offer-card p {
    color: #666;
    line-height: 1.6;
}

/* Why Choose Section */
.why-choose-section {
    background-color: #f8f9fa;
}

.why-choose-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.highlight-title {
    color: #006666;
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.description {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.features {
    margin-top: 2rem;
}

.feature-item {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.feature-icon {
    background-color: #006666;
    color: #fff;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    font-size: 0.8rem;
    font-weight: bold;
}

.why-choose-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
}

/* News Section */
.news-section {
    background-color: #fff;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.news-card {
    background-color: #f8f9fa;
    padding: 2rem;
    border-radius: 12px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 102, 102, 0.1);
}

.news-date {
    color: #006666;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.news-title {
    color: #333;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    line-height: 1.4;
}

.news-summary {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.news-link {
    color: #006666;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.news-link:hover {
    color: #00a3a3;
}

.news-more {
    text-align: center;
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: #006666;
    color: #fff;
}

.btn-primary:hover {
    background-color: #00a3a3;
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    color: #006666;
    border: 2px solid #006666;
}

.btn-outline:hover {
    background-color: #006666;
    color: #fff;
}

/* Contact Section */
.contact-section {
    background-color: #f8f9fa;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-details {
    margin-top: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.contact-icon {
    font-size: 1.2rem;
    margin-right: 1rem;
    margin-top: 0.2rem;
}

.contact-item p {
    color: #666;
    line-height: 1.6;
}

/* Form Styles */
.contact-form {
    background-color: #fff;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #333;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #006666;
}

/* Footer */
.footer {
    background-color: #333;
    color: #fff;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1.5rem;
}

.footer-logo .logo {
    height: 40px;
    width: auto;
    display: block;
    max-width: 200px;
}

.footer-logo .company-name {
    color: #006666;
    font-size: 1.2rem;
    font-weight: 600;
}

.footer-contact p {
    color: #ccc;
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.footer-menu {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    color: #006666;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 0.5rem;
}

.footer-column ul li a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-column ul li a:hover {
    color: #006666;
}

.footer-bottom {
    border-top: 1px solid #555;
    padding-top: 1rem;
    text-align: center;
}

.footer-bottom p {
    color: #ccc;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background-color: #fff;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .slide-title {
        font-size: 2rem;
    }

    .slide-subtitle {
        font-size: 1.2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .timeline-header {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.5rem;
    }

    .timeline-stage {
        font-size: 0.8rem;
    }

    .why-choose-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-menu {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .hero-nav {
        bottom: 20px;
        right: 20px;
    }

    .hero-prev,
    .hero-next {
        padding: 8px 15px;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .section {
        padding: 3rem 0;
    }

    .slide-title {
        font-size: 1.5rem;
    }

    .slide-subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .offer-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: 1.5rem;
    }
}

/* 統計計數器樣式 */
.stats-counter {
    margin-top: 1rem;
    text-align: center;
    padding: 1rem 0;
    border-top: 2px solid #e0e0e0;
}

.counter {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: #006666;
    margin-bottom: 0.5rem;
}

.stats-label {
    font-size: 0.9rem;
    color: #666;
    font-weight: 500;
}

/* AOS動畫樣式 */
[data-aos] {
    opacity: 0;
    transition-property: transform, opacity;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-down"] {
    transform: translateY(-30px);
}

[data-aos="fade-down"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-left"] {
    transform: translateX(30px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-right"] {
    transform: translateX(-30px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="zoom-in"] {
    transform: scale(0.8);
}

[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
}

/* 載入動畫 */
.loading-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #006666;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 錯誤訊息樣式 */
.error-message {
    text-align: center;
    padding: 2rem;
    color: #dc3545;
}

.error-message button {
    margin-top: 1rem;
    padding: 0.5rem 1rem;
    background-color: #006666;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.error-message button:hover {
    background-color: #004d4d;
}

/* 技術比較表格樣式 */
.tech-comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.tech-comparison-table th,
.tech-comparison-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.tech-comparison-table th {
    background-color: #006666;
    color: white;
    font-weight: 600;
}

.tech-comparison-table tr:hover {
    background-color: #f0f8f8;
    transform: scale(1.02);
    transition: all 0.3s ease;
}

/* 產品規格卡片 */
.spec-card {
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    animation: fadeInUp 0.6s ease forwards;
}

.spec-card:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: 0 15px 30px rgba(0,102,102,0.3);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 圖表容器 */
.chart-container {
    position: relative;
    height: 400px;
    margin: 2rem 0;
    background: white;
    border-radius: 8px;
    padding: 1rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

/* 響應式圖表 */
@media (max-width: 768px) {
    .chart-container {
        height: 300px;
        padding: 0.5rem;
    }
    
    .counter {
        font-size: 1.5rem;
    }
    
    .stats-counter {
        padding: 0.5rem 0;
    }
}