/* General Body Styles */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@400;500;700&family=Open+Sans:wght@400;600;700&family=Orbitron:wght@400;500;700&display=swap');

:root {
    --primary-color: #00f2fe;
    --secondary-color: #4facfe;
    --dark-bg: #1a1a2e;
    --card-bg: rgba(255, 255, 255, 0.1);
    --text-light: #ffffff;
    --text-dark: #2c3e50;
    --accent-color: #00f2fe;
}

body {
    font-family: 'Open Sans', 'Noto Sans TC', sans-serif;
    line-height: 1.7;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, var(--dark-bg) 0%, #16213e 100%);
    color: var(--text-light);
}

html {
    scroll-behavior: smooth;
}

.container {
    width: 85%;
    max-width: 1200px;
    margin: auto;
    overflow: hidden;
    padding: 20px 30px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    margin-top: 20px;
    margin-bottom: 20px;
}

/* Header Styles */
header {
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    color: var(--text-light);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 2px solid var(--primary-color);
}

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

header #branding {
    display: flex;
    align-items: center;
}

header #branding h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 28px;
    margin: 0;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 10px rgba(0, 242, 254, 0.3);
}

header #branding h1 a {
    color: #fff;
    text-transform: none; /* Branding doesn't need to be uppercase */
}

header nav {
    display: flex;
    align-items: center;
}

header ul {
    padding: 0;
    margin: 0;
    list-style: none;
    display: flex;
    align-items: center;
}

header li {
    margin-left: 10px;
}

/* Navigation Link Styles */
header nav ul li a {
    color: var(--text-light);
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: block;
}

header nav ul li a:hover {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: var(--dark-bg);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 242, 254, 0.3);
}

header nav ul li.current a {
    background-color: #007bff; /* Accent blue for current page */
    color: #fff;
    font-weight: 600; /* Make current page link bolder */
}

/* Main Content Styles */
.main-content {
    padding: 30px 20px;
}

.main-content h1 {
    font-family: 'Orbitron', sans-serif;
    color: var(--primary-color);
    font-size: 2.4em;
    text-shadow: 0 0 10px rgba(0, 242, 254, 0.3);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.4em;
}

.main-content h2, .main-content h3 {
    color: var(--secondary-color);
    font-family: 'Orbitron', sans-serif;
}

.main-content h2 {
    font-size: 1.8em;
    font-weight: 600;
    margin-top: 1.5em;
    margin-bottom: 0.7em;
}
.main-content h3 {
    font-size: 1.4em;
    font-weight: 600;
    margin-top: 1.2em;
    margin-bottom: 0.6em;
}

.main-content p, .main-content ul, .main-content ol {
    margin-bottom: 1.2em;
    font-size: 1.05em; /* Slightly larger base font size for content */
}

.main-content ul, .main-content ol {
    padding-left: 25px; /* Indent lists properly */
}
.main-content li {
    margin-bottom: 0.5em; /* Space between list items */
}

/* Images within main content */
.main-content img[style*="float:right"], 
.main-content img[style*="display:block"] { /* Target inline-styled images */
    border-radius: 8px; /* Rounded corners for images */
    box-shadow: 0 4px 12px rgba(0,0,0,0.1); /* Softer shadow for images */
    margin-bottom: 15px; /* Ensure space below image */
}

/* Table Styles */
table {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    overflow: hidden;
}

table th, table td { /* Combined for border, padding, text-align */
    border: 1px solid #dee2e6; /* Lighter border color */
    padding: 12px 15px; /* Increased padding */
    text-align: left;
    vertical-align: top; /* Align content to top for long cells */
}

th {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: var(--dark-bg);
    font-family: 'Orbitron', sans-serif;
    font-weight: 600; /* Bolder table header text */
    font-size: 1.05em;
    text-transform: uppercase; /* Uppercase for table headers */
    letter-spacing: 0.5px;
}

tbody tr {
    transition: all 0.3s ease;
}

tbody tr:hover {
    background: rgba(0, 242, 254, 0.1);
}

/* Quick Links Card Styles */
.quick-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.quick-links .card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 25px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.quick-links .card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.quick-links .card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 242, 254, 0.2);
}

.quick-links .card:hover::before {
    opacity: 0.1;
}

.quick-links .card a {
    color: var(--primary-color);
    font-family: 'Orbitron', sans-serif;
    font-size: 1.2em;
    text-decoration: none;
    transition: all 0.3s ease;
}

.quick-links .card:hover a {
    color: var(--secondary-color);
    text-shadow: 0 0 10px rgba(0, 242, 254, 0.3);
}

.quick-links .card p {
    font-size: 0.95em;
    color: #555;
    margin-top: 0.5em;
}

/* Banner Placeholder Style */
.banner-placeholder {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border-radius: 16px;
    padding: 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.banner-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

/* Footer Styles */
footer {
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    color: var(--text-light);
    text-align: center;
    padding: 20px;
    border-top: 2px solid var(--primary-color);
}

/* Image Styles */
.main-content img {
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 242, 254, 0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.main-content img:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 32px rgba(0, 242, 254, 0.25);
}

/* Banner Image */
.banner-placeholder img {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
    border-radius: 16px;
    margin-bottom: 20px;
}

/* Chip Card Security Page */
.chip-card-security img {
    max-width: 300px;
    float: right;
    margin: 0 0 20px 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Digital Certificates Page */
.digital-certificates img {
    max-width: 280px;
    float: right;
    margin: 0 0 20px 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Chip Card Comparison Page */
.chip-card-comparison img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 20px auto;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Mobile Citizen ID Page */
.mobile-citizen-id img {
    max-width: 320px;
    float: right;
    margin: 0 0 20px 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Security Tips Page */
.security-tips img {
    max-width: 50%;
    height: auto;
    display: block;
    margin: 20px auto;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Conclusion Future Page */
.conclusion-future img {
    max-width: 50%;
    height: auto;
    display: block;
    margin: 20px auto;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive Design */
@media(max-width: 768px) {
    .container {
        width: 95%;
        padding: 15px;
    }
    
    header nav {
        float: none;
        text-align: center;
        margin-top: 15px;
    }
    
    header li {
        display: block;
        margin: 10px 0;
    }
    
    .quick-links {
        grid-template-columns: 1fr;
    }
    
    .main-content img {
        float: none !important;
        margin: 20px auto !important;
        display: block;
        max-width: 100% !important;
    }
    
    .banner-placeholder img {
        max-height: 300px;
    }
    
    .security-tips img,
    .conclusion-future img {
        max-width: 95%;
    }
}