/* ============================================
   FPMCAE Website Styles - Green Industrial Theme
   ============================================ */

/* CSS Variables - Cyan Theme matching fpm.svg */
:root {
    --primary-color: #0C8EA1;
    --primary-dark: #097a8a;
    --primary-light: #14a8bd;
    --accent-color: #10b5cc;
    --text-dark: #2c3e50;
    --text-gray: #546e7a;
    --text-light: #78909c;
    --bg-white: #ffffff;
    --bg-light: #f5f7fa;
    --bg-gray: #eceff1;
    --border-color: #e0e6ed;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s ease;
    --border-radius: 6px;
    --container-max-width: 1200px;
}

/* Reset & Base Styles */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================
   Header & Navigation
   ============================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: var(--transition);
    border-bottom: 1px solid var(--border-color);
}

.header.scrolled {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    height: 100%;
}

.logo-img {
    height: 46px;
    width: auto;
    display: block;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 10px 16px;
    color: var(--text-gray);
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--primary-color);
    background: rgba(45, 138, 62, 0.08);
}

.dropdown {
    position: relative;
}

.dropdown-toggle {
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

.dropdown-toggle i {
    font-size: 0.7rem;
    transition: var(--transition);
}

.dropdown:hover .dropdown-toggle i {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 160px;
    background: var(--bg-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 1001;
    border: 1px solid var(--border-color);
}

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

.dropdown-menu a {
    display: block;
    padding: 10px 20px;
    color: var(--text-gray);
    font-size: 0.9rem;
    transition: var(--transition);
}

.dropdown-menu a:hover {
    color: var(--primary-color);
    background: rgba(45, 138, 62, 0.05);
}

/* ============================================
   Hero Banner - Download & Showcase Integration
   ============================================ */

.hero-banner {
    position: relative;
    min-height: 700px;
    overflow: hidden;
    margin-top: 70px;
    background: linear-gradient(135deg, #0a1929 0%, #0d2137 50%, #0a1929 100%);
    padding: 80px 0 60px;
}

.hero-bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(12, 142, 161, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(12, 142, 161, 0.05) 0%, transparent 40%);
    pointer-events: none;
}

.hero-banner .container {
    position: relative;
    z-index: 2;
}

.hero-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
}

/* 左侧内容区 */
.hero-content {
    flex: 0 0 40%;
    max-width: 580px;
}

.hero-title {
    color: #ffffff;
    font-size: 3.2rem;
    font-weight: 600;
    line-height: 1.25;
    margin-bottom: 40px;
    letter-spacing: -0.5px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-primary-download {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: linear-gradient(135deg, #2dd4bf 0%, #14b8a6 100%);
    color: #0a1929;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(45, 212, 191, 0.4);
}

.btn-primary-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(45, 212, 191, 0.5);
    background: linear-gradient(135deg, #5eead4 0%, #2dd4bf 100%);
}

.btn-primary-download i {
    font-size: 1.1rem;
}

.btn-all-downloads {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 20px;
    background: transparent;
    color: rgba(255, 255, 255, 0.7);
    font-size: 1rem;
    font-weight: 500;
    border-radius: 8px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-all-downloads:hover {
    color: #ffffff;
    gap: 12px;
}

.btn-all-downloads i {
    font-size: 0.9rem;
    transition: var(--transition);
}

/* 右侧展示卡片区 */
.hero-showcase {
    flex: 0 0 60%;
    max-width: 700px;
}

.showcase-frame {
    position: relative;
    background: linear-gradient(135deg, rgba(45, 212, 191, 0.3) 0%, rgba(12, 142, 161, 0.2) 100%);
    border-radius: 20px;
    padding: 4px;
    box-shadow: 
        0 0 0 1px rgba(45, 212, 191, 0.3),
        0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.showcase-frame .carousel-container {
    position: relative;
    height: 480px;
    width: 100%;
    border-radius: 16px;
    overflow: hidden;
    background: #1a1a2e;
}

.showcase-frame .carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.8s ease;
    background: #1a1a2e;
}

.showcase-frame .carousel-slide.active {
    opacity: 1;
}

.showcase-frame .carousel-slide.banner-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
}

.showcase-frame .carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.8);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 0.9rem;
    transition: var(--transition);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
}

.showcase-frame .carousel-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    color: #ffffff;
}

.showcase-frame .carousel-btn.prev {
    left: 12px;
}

.showcase-frame .carousel-btn.next {
    right: 12px;
}

.showcase-frame .carousel-dots {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.showcase-frame .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: var(--transition);
}

.showcase-frame .dot.active,
.showcase-frame .dot:hover {
    background: #2dd4bf;
    transform: scale(1.2);
}

/* Responsive */
@media (max-width: 992px) {
    .hero-banner {
        min-height: auto;
        padding: 60px 0;
    }
    
    .hero-wrapper {
        flex-direction: column;
        text-align: center;
        gap: 50px;
    }
    
    .hero-content {
        flex: none;
        max-width: 100%;
    }
    
    .hero-title {
        font-size: 2.4rem;
        margin-bottom: 30px;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-showcase {
        flex: none;
        max-width: 100%;
        width: 100%;
    }
    
    .showcase-frame .carousel-container {
        height: 350px;
    }
}

@media (max-width: 768px) {
    .hero-banner {
        padding: 50px 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .showcase-frame .carousel-container {
        height: 280px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.6rem;
        margin-bottom: 24px;
    }
    
    .btn-primary-download,
    .btn-all-downloads {
        padding: 12px 20px;
        font-size: 0.9rem;
    }
    
    .showcase-frame .carousel-container {
        height: 220px;
    }
    
    .showcase-frame .carousel-btn {
        width: 32px;
        height: 32px;
        font-size: 0.8rem;
    }
}

.banner-logo {
    margin-bottom: 20px;
}

.main-logo {
    width: 160px;
    height: 160px;
    filter: drop-shadow(0 4px 12px rgba(45, 138, 62, 0.2));
}

.banner-text h2 {
    color: var(--text-dark);
    font-size: 1.3rem;
    font-weight: 500;
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.slogan {
    color: var(--primary-color);
    font-size: 1.6rem;
    font-weight: 400;
    letter-spacing: 6px;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--border-color);
    color: var(--text-gray);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition);
    z-index: 10;
    box-shadow: var(--shadow);
}

.carousel-btn:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-50%) scale(1.05);
    box-shadow: var(--shadow-lg);
}

.carousel-btn.prev {
    left: 20px;
}

.carousel-btn.next {
    right: 20px;
}

.carousel-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(45, 138, 62, 0.3);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active,
.dot:hover {
    background: var(--primary-color);
    transform: scale(1.2);
}

/* ============================================
   Section Styles
   ============================================ */

.section {
    padding: 70px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 45px;
}

.section-title {
    font-size: 1.9rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.section-line {
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    margin: 0 auto;
    border-radius: 2px;
}

/* ============================================
   Intro Section
   ============================================ */

.intro-section {
    background: var(--bg-white);
}

.intro-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.intro-text {
    font-size: 1.1rem;
    line-height: 1.9;
    color: var(--text-gray);
}

/* ============================================
   Video Section - Moved after intro
   ============================================ */

.video-section {
    background: var(--bg-light);
}

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

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    background: var(--text-dark);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.video-wrapper video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.3);
    transition: var(--transition);
}

.video-overlay.hidden {
    opacity: 0;
    visibility: hidden;
}

.play-btn {
    width: 70px;
    height: 70px;
    background: rgba(255, 255, 255, 0.95);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: var(--transition);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.play-btn:hover {
    transform: scale(1.08);
    background: white;
}

/* ============================================
   News Section
   ============================================ */

.news-section {
    background: var(--bg-white);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-bottom: 35px;
}

.news-card {
    background: var(--bg-white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid var(--border-color);
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-color);
}

.news-image {
    height: 160px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2.5rem;
}

.news-content {
    padding: 20px;
}

.news-date {
    display: inline-block;
    padding: 4px 10px;
    background: rgba(45, 138, 62, 0.1);
    color: var(--primary-color);
    font-size: 0.75rem;
    border-radius: 20px;
    margin-bottom: 10px;
}

.news-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-summary {
    font-size: 0.875rem;
    color: var(--text-light);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

/* ============================================
   Examples Section
   ============================================ */

.examples-section {
    background: var(--bg-light);
}

.examples-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 8px 20px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    color: var(--text-gray);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.examples-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.example-card {
    background: var(--bg-white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.example-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-color);
}

.example-image {
    height: 260px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.example-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.example-card:hover .example-image img {
    transform: scale(1.05);
}

.example-header {
    padding: 14px 20px 10px;
    border-bottom: 1px solid var(--border-color);
}

.example-category {
    display: inline-block;
    padding: 3px 10px;
    background: rgba(12, 142, 161, 0.1);
    color: var(--primary-color);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    border-radius: 4px;
    margin-bottom: 8px;
}

.example-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.example-desc {
    font-size: 0.8rem;
    color: var(--text-light);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.example-body {
    padding: 10px 20px 14px;
}

.example-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-light);
}

.meta-left {
    display: flex;
    gap: 15px;
}

.example-meta i {
    margin-right: 4px;
    color: var(--primary-color);
}

.btn-download-meta {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(12, 142, 161, 0.3);
    padding: 0;
    line-height: 1;
}

.btn-download-meta i {
    color: #ffffff !important;
    font-size: 0.9rem;
    display: block;
    line-height: 1;
    margin: 0;
    padding: 0;
}

.btn-download-meta:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    transform: scale(1.08);
    box-shadow: 0 4px 12px rgba(12, 142, 161, 0.4);
}

.btn-download-meta:hover i {
    color: #ffffff !important;
}

/* .example-actions - removed, download button moved to header */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(45, 138, 62, 0.3);
}

.btn-secondary {
    background: var(--bg-light);
    color: var(--text-gray);
    border: 1px solid var(--border-color);
    flex: 1;
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* ============================================
   Contact Section
   ============================================ */

.contact-section {
    background: var(--bg-white);
}

.contact-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.contact-info {
    margin-bottom: 40px;
}

.contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.contact-item i {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
}

.contact-item a {
    color: var(--primary-color);
}

.contact-item a:hover {
    text-decoration: underline;
}

.label {
    font-weight: 600;
    color: var(--text-dark);
}

.qr-codes {
    display: flex;
    justify-content: center;
    gap: 50px;
    flex-wrap: wrap;
}

.qr-item {
    text-align: center;
}

.qr-placeholder {
    width: 140px;
    height: 140px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
    transition: var(--transition);
    overflow: hidden;
}

.qr-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 8px;
}

.qr-placeholder i {
    font-size: 3.5rem;
    color: var(--text-light);
}

.qr-placeholder:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow);
}

.qr-item p {
    color: var(--text-gray);
    font-size: 0.9rem;
}

/* ============================================
   Footer
   ============================================ */

.footer {
    background: #263238;
    color: rgba(255, 255, 255, 0.7);
    padding: 50px 0 25px;
}

.footer-content {
    text-align: center;
}

.footer-logo {
    margin-bottom: 25px;
}

.footer-logo .logo-text {
    font-size: 1.6rem;
    color: white;
    display: block;
    margin-bottom: 8px;
}

.footer-logo p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 25px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    padding-top: 25px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 0.85rem;
    margin-bottom: 5px;
}

/* ============================================
   Back to Top Button
   ============================================ */

.back-to-top {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 45px;
    height: 45px;
    background: var(--primary-color);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.1rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-4px);
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 992px) {
    .section {
        padding: 55px 0;
    }
    
    .section-title {
        font-size: 1.7rem;
    }
    
    .hero-banner {
        height: 520px;
    }
    
    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 0.95rem;
    }
    
    .carousel-btn.prev {
        left: 15px;
    }
    
    .carousel-btn.next {
        right: 15px;
    }
    
    .main-logo {
        width: 140px;
        height: 140px;
    }
    
    .banner-text h2 {
        font-size: 1.15rem;
    }
    
    .slogan {
        font-size: 1.4rem;
        letter-spacing: 4px;
    }
}

@media (max-width: 768px) {
    .navbar {
        height: 60px;
    }
    
    .hero-banner {
        min-height: 420px;
        height: auto;
        margin-top: 60px;
        padding-bottom: 40px;
    }
    
    .logo {
        font-size: 1.2rem;
    }
    
    .logo-icon {
        width: 32px;
        height: 32px;
    }
    
    .nav-link {
        padding: 8px 12px;
        font-size: 0.85rem;
    }
    
    .nav-link span {
        display: none;
    }
    
    .examples-filter {
        gap: 8px;
    }
    
    .filter-btn {
        padding: 6px 14px;
        font-size: 0.85rem;
    }
    
    .examples-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .qr-codes {
        gap: 30px;
    }
    
    .qr-placeholder {
        width: 120px;
        height: 120px;
    }
    
    .main-logo {
        width: 120px;
        height: 120px;
    }
    
    .banner-text h2 {
        font-size: 1rem;
    }
    
    .slogan {
        font-size: 1.2rem;
        letter-spacing: 3px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .section {
        padding: 45px 0;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .hero-banner {
        min-height: 340px;
        height: auto;
        padding-bottom: 30px;
    }
    
    .main-logo {
        width: 100px;
        height: 100px;
    }
    
    .banner-text h2 {
        font-size: 0.9rem;
        letter-spacing: 0.5px;
    }
    
    .slogan {
        font-size: 1rem;
        letter-spacing: 2px;
    }
    
    .intro-text {
        font-size: 1rem;
    }
    
    .news-grid,
    .examples-grid {
        grid-template-columns: 1fr;
    }
    
    .example-actions {
        flex-direction: column;
    }
}

/* ============================================
   Animation Classes
   ============================================ */

.fade-in {
    animation: fadeIn 0.6s ease forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-up {
    animation: slideUp 0.5s ease forwards;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll Animation */
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.scroll-animate.visible {
    opacity: 1;
    transform: translateY(0);
}