/* ===================================
   CSS Variables
   =================================== */
:root {
    /* Colors */
    --primary-color: #4a90e2;
    --secondary-color: #5b9bd5;
    --accent-color: #3b7fc4;
    --light-bg: #f5f7fa;
    --light-bg-secondary: #ffffff;
    --light-bg-tertiary: #e8ecf1;
    --text-primary: #2c3e50;
    --text-secondary: #5a6c7d;
    --text-light: #7f8c97;
    --gradient-primary: linear-gradient(135deg, #4a90e2 0%, #5b9bd5 100%);
    --gradient-secondary: linear-gradient(135deg, #5b9bd5 0%, #7ab8f5 100%);
    --gradient-accent: linear-gradient(135deg, #4a90e2 0%, #3b7fc4 100%);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Typography */
    --font-primary: 'Noto Sans SC', sans-serif;
    --font-display: 'Orbitron', sans-serif;
    
    /* Effects */
    --transition-speed: 0.3s;
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --box-shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
}

/* ===================================
   Global Styles
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-primary);
    background-color: var(--light-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    transition: all var(--transition-speed);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-logo {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.brand-ai {
    font-family: var(--font-primary);
    font-weight: 700;
}

.nav-brand i {
    font-size: 2rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-speed);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-speed);
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link:hover::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-secondary);
    transition: all var(--transition-speed);
}

/* Nav CTA Button */
.nav-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.6rem 1.5rem;
    background: var(--primary-color);
    color: #ffffff;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all var(--transition-speed);
    box-shadow: 0 2px 8px rgba(74, 144, 226, 0.3);
    margin-left: var(--spacing-md);
}

.nav-cta-btn:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(74, 144, 226, 0.4);
}

.nav-cta-btn i {
    font-size: 0.9rem;
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(74, 144, 226, 0.08) 0%, transparent 70%);
}

.neural-network {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(74, 144, 226, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(74, 144, 226, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: networkMove 20s linear infinite;
}

@keyframes networkMove {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(50px, 50px);
    }
}

.hero-content {
    text-align: center;
    z-index: 1;
    max-width: 900px;
}

.hero-title {
    font-family: var(--font-primary);
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 900;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 1s ease-out;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    animation: fadeInUp 1s ease-out 0.2s;
    animation-fill-mode: both;
}

.hero-description {
    font-size: clamp(1rem, 2vw, 1.1rem);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
    animation: fadeInUp 1s ease-out 0.4s;
    animation-fill-mode: both;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 1s ease-out 0.6s;
    animation-fill-mode: both;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-speed);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--primary-color);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(74, 144, 226, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(74, 144, 226, 0.4);
    background: var(--accent-color);
}

.btn-secondary {
    background: #ffffff;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: #ffffff;
    border-color: var(--primary-color);
    transform: translateY(-3px);
}

.btn-large {
    padding: 1.2rem 2.5rem;
    font-size: 1.1rem;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.8s;
    animation-fill-mode: both;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.stat-item i {
    font-size: 2rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-number {
    font-size: 2rem;
    font-weight: 900;
    font-family: var(--font-display);
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator i {
    font-size: 2rem;
    color: var(--primary-color);
}

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ===================================
   Section Styles
   =================================== */
section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-family: var(--font-primary);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 900;
    margin-bottom: var(--spacing-sm);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text-secondary);
}

/* ===================================
   Features Section
   =================================== */
.features {
    background: var(--light-bg-secondary);
}

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

.feature-card {
    background: var(--light-bg);
    padding: var(--spacing-md);
    border-radius: 20px;
    border: 1px solid rgba(0, 0, 0, 0.06);
    transition: all var(--transition-speed);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow-hover);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-color);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
}

.feature-icon i {
    font-size: 2.5rem;
    color: #ffffff;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.feature-card > p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.8;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.feature-list i {
    color: var(--primary-color);
}

/* ===================================
   Technology Areas
   =================================== */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.tech-card {
    background: var(--light-bg-secondary);
    padding: var(--spacing-md);
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(0, 0, 0, 0.06);
    transition: all var(--transition-speed);
}

.tech-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 8px 24px rgba(74, 144, 226, 0.15);
}

.tech-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
}

.tech-icon i {
    font-size: 1.8rem;
    color: #ffffff;
}

.tech-card h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xs);
}

.tech-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ===================================
   Gallery Section
   =================================== */
.gallery {
    background: var(--light-bg);
}

/* Gallery Tabs */
.gallery-tabs {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.gallery-tab {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--light-bg-secondary);
    border: 2px solid rgba(0, 0, 0, 0.06);
    border-radius: 50px;
    color: var(--text-secondary);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-speed);
    font-size: 0.95rem;
}

.gallery-tab:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.gallery-tab.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(74, 144, 226, 0.3);
}

.gallery-tab i {
    font-size: 1rem;
}

/* Gallery Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.gallery-item {
    position: relative;
    height: 400px;
    border-radius: 20px;
    overflow: hidden;
    background: var(--light-bg-secondary);
    border: 1px solid rgba(0, 0, 0, 0.06);
    cursor: pointer;
    transition: all var(--transition-speed);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.3) 0%,
        rgba(0, 0, 0, 0.5) 50%,
        rgba(0, 0, 0, 0.9) 100%
    );
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--spacing-md);
    opacity: 0;
    transition: all var(--transition-speed);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-info {
    color: #ffffff;
    margin-bottom: var(--spacing-sm);
}

.gallery-category {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(74, 144, 226, 0.9);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.gallery-info h4 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
}

.gallery-info p {
    font-size: 0.95rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-sm);
}

.gallery-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.9rem;
    opacity: 0.8;
}

.gallery-meta span {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.gallery-view-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    width: 100%;
    padding: var(--spacing-sm);
    background: #ffffff;
    color: var(--primary-color);
    border: none;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-speed);
}

.gallery-view-btn:hover {
    background: var(--primary-color);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(74, 144, 226, 0.4);
}

.gallery-cta {
    margin-top: var(--spacing-xl);
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--light-bg-secondary);
    border-radius: 20px;
    border: 2px solid rgba(0, 0, 0, 0.06);
}

.gallery-cta p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    font-weight: 500;
}

/* ===================================
   Community Section
   =================================== */
.community-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.community-card {
    background: var(--light-bg-secondary);
    padding: var(--spacing-md);
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(0, 0, 0, 0.06);
    transition: all var(--transition-speed);
}

.community-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow-hover);
    border-color: var(--primary-color);
}

.community-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
}

.community-icon i {
    font-size: 2rem;
    color: #ffffff;
}

.community-card h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
}

.community-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ===================================
   Membership Section
   =================================== */
.membership {
    background: var(--light-bg);
}

.membership-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.membership-card {
    background: var(--light-bg-secondary);
    padding: var(--spacing-md);
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(0, 0, 0, 0.06);
    transition: all var(--transition-speed);
}

.membership-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.membership-card.featured {
    border: 2px solid var(--primary-color);
    background: linear-gradient(135deg, #ffffff 0%, rgba(74, 144, 226, 0.08) 100%);
}

.membership-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.membership-header i {
    font-size: 3rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.membership-card h3 {
    font-size: 1.3rem;
}

.membership-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ===================================
   Testimonials Section
   =================================== */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.testimonial-card {
    background: var(--light-bg-secondary);
    padding: var(--spacing-md);
    border-radius: 15px;
    border: 1px solid rgba(0, 0, 0, 0.06);
    position: relative;
    transition: all var(--transition-speed);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow);
}

.quote-icon {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    opacity: 0.5;
}

.testimonial-text {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

.author-avatar i {
    font-size: 2rem;
    color: #ffffff;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
    color: var(--text-primary);
}

.author-role {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ===================================
   Articles Section
   =================================== */
.articles {
    background: var(--light-bg-secondary);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.article-card {
    background: var(--light-bg-secondary);
    border-radius: 15px;
    border: 1px solid rgba(0, 0, 0, 0.06);
    overflow: hidden;
    transition: all var(--transition-speed);
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow-hover);
}

.article-image {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
}

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

.article-card:hover .article-image img {
    transform: scale(1.1);
}

.article-category {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: rgba(74, 144, 226, 0.9);
    color: #ffffff;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.article-content {
    padding: var(--spacing-md);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.article-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    font-size: 0.9rem;
    color: var(--text-light);
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.article-content h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.article-content p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    flex: 1;
}

.article-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-speed);
}

.article-link:hover {
    color: var(--accent-color);
    gap: var(--spacing-sm);
}

.article-link i {
    transition: transform var(--transition-speed);
}

.article-link:hover i {
    transform: translateX(5px);
}

/* Article Detail Page */
.article-detail {
    padding: calc(80px + var(--spacing-xl)) 0 var(--spacing-xl);
}

.article-header {
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
    text-align: center;
}

.article-header .article-category {
    position: static;
    display: inline-block;
    margin-bottom: var(--spacing-sm);
}

.article-header h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 900;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.article-header .article-meta {
    justify-content: center;
    font-size: 1rem;
}

.article-featured-image {
    max-width: 1000px;
    margin: 0 auto var(--spacing-xl);
    border-radius: 15px;
    overflow: hidden;
}

.article-featured-image img {
    width: 100%;
    height: auto;
    display: block;
}

.article-body {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
    line-height: 1.9;
    color: var(--text-secondary);
}

.article-body h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: var(--spacing-xl) 0 var(--spacing-md);
}

.article-body h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.article-body p {
    margin-bottom: var(--spacing-md);
}

.article-body ul,
.article-body ol {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-lg);
}

.article-body li {
    margin-bottom: var(--spacing-sm);
}

.article-body blockquote {
    border-left: 4px solid var(--primary-color);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--light-bg);
    margin: var(--spacing-lg) 0;
    font-style: italic;
    color: var(--text-secondary);
}

.article-body code {
    background: var(--light-bg);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.95em;
}

.article-body pre {
    background: var(--text-primary);
    color: #ffffff;
    padding: var(--spacing-md);
    border-radius: 10px;
    overflow-x: auto;
    margin: var(--spacing-md) 0;
}

.article-body pre code {
    background: none;
    padding: 0;
    color: #ffffff;
}

.article-tags {
    max-width: 800px;
    margin: var(--spacing-xl) auto;
    padding-top: var(--spacing-lg);
    border-top: 2px solid var(--light-bg);
}

.article-tags h4 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
}

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--light-bg);
    color: var(--text-secondary);
    border-radius: 20px;
    text-decoration: none;
    font-size: 0.9rem;
    transition: all var(--transition-speed);
}

.tag:hover {
    background: var(--primary-color);
    color: #ffffff;
}

.article-share {
    max-width: 800px;
    margin: var(--spacing-lg) auto;
    text-align: center;
}

.article-share h4 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
}

.share-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

.share-btn {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: #ffffff;
    font-size: 1.2rem;
    transition: all var(--transition-speed);
}

.share-btn:hover {
    transform: translateY(-3px);
}

.share-btn.wechat {
    background: #07c160;
}

.share-btn.weibo {
    background: #e6162d;
}

.share-btn.twitter {
    background: #1da1f2;
}

.share-btn.link {
    background: var(--text-secondary);
}

.related-articles {
    max-width: 1000px;
    margin: var(--spacing-xl) auto 0;
    padding-top: var(--spacing-xl);
    border-top: 2px solid var(--light-bg);
}

.related-articles h3 {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.related-articles .articles-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

/* ===================================
   FAQ Section
   =================================== */
.faq {
    background: var(--light-bg);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--light-bg-secondary);
    border-radius: 15px;
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.06);
    transition: all var(--transition-speed);
}

.faq-item:hover {
    border-color: var(--primary-color);
}

.faq-question {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-speed);
}

.faq-question:hover {
    background: rgba(74, 144, 226, 0.05);
}

.faq-question i:first-child {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.faq-question h3 {
    flex: 1;
    font-size: 1.1rem;
    font-weight: 600;
}

.faq-question i:last-child {
    color: var(--text-secondary);
    transition: transform var(--transition-speed);
}

.faq-item.active .faq-question i:last-child {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: all var(--transition-speed);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    padding-left: calc(var(--spacing-md) + 1.5rem + var(--spacing-sm));
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ===================================
   CTA Section
   =================================== */
.cta {
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.08) 0%, rgba(91, 155, 213, 0.08) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(74, 144, 226, 0.1) 0%, transparent 70%);
    animation: pulse 10s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta h2 {
    font-family: var(--font-primary);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 900;
    margin-bottom: var(--spacing-sm);
}

.cta p {
    font-size: clamp(1rem, 2vw, 1.3rem);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--text-primary);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    padding: var(--spacing-lg) 0 var(--spacing-md);
    color: #ffffff;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.footer-section h3, .footer-section h4 {
    margin-bottom: var(--spacing-sm);
}

.footer-section h3 {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.footer-logo {
    width: 36px;
    height: 36px;
    object-fit: contain;
}

.footer-section h3 i {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
}

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

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all var(--transition-speed);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.footer-section ul li a:hover {
    color: #ffffff;
    padding-left: 5px;
}

.footer-section ul li i {
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.7);
    transition: all var(--transition-speed);
}

.social-links a:hover {
    background: var(--primary-color);
    color: #ffffff;
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-xs);
}

.footer-tags {
    font-size: 0.9rem;
    opacity: 0.7;
}

/* ===================================
   Back to Top Button
   =================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-color);
    color: #ffffff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-speed);
    z-index: 999;
    box-shadow: 0 4px 12px rgba(74, 144, 226, 0.3);
}

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

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(74, 144, 226, 0.4);
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding: var(--spacing-lg) 0;
        transition: left var(--transition-speed);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-cta-btn {
        margin-left: auto;
        margin-right: var(--spacing-sm);
        padding: 0.5rem 1.2rem;
        font-size: 0.9rem;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-stats {
        gap: var(--spacing-md);
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-tabs {
        flex-direction: column;
        align-items: stretch;
    }
    
    .gallery-tab {
        justify-content: center;
    }
    
    .features-grid,
    .tech-grid,
    .community-grid,
    .membership-grid,
    .testimonials-grid,
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    :root {
        font-size: 14px;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    section {
        padding: var(--spacing-lg) 0;
    }
}

/* ===================================
   Additional Page Styles
   =================================== */

/* Page Header */
.page-header {
    padding: calc(80px + var(--spacing-xl)) 0 var(--spacing-xl);
    background: var(--gradient-primary);
    color: #ffffff;
    text-align: center;
}

.page-header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.page-icon {
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
}

.page-icon i {
    font-size: 3rem;
    color: #ffffff;
}

.page-header h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    margin-bottom: var(--spacing-xs);
}

.page-header p {
    font-size: clamp(1rem, 2vw, 1.3rem);
    opacity: 0.9;
}

/* Page Content */
.page-content {
    padding: var(--spacing-xl) 0;
    min-height: 60vh;
}

.content-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

/* Legal Content Styles */
.legal-content {
    font-size: 1rem;
    line-height: 1.8;
}

.legal-info {
    background: var(--light-bg);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 10px;
    margin-bottom: var(--spacing-lg);
    border-left: 4px solid var(--primary-color);
}

.legal-section {
    margin-bottom: var(--spacing-lg);
}

.legal-section h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--light-bg);
}

.legal-section h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: var(--spacing-md) 0 var(--spacing-sm);
}

.legal-section h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin: var(--spacing-sm) 0;
}

.legal-section ul, .legal-section ol {
    margin: var(--spacing-sm) 0 var(--spacing-sm) var(--spacing-md);
}

.legal-section li {
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
}

.legal-section strong {
    color: var(--text-primary);
}

.legal-section a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all var(--transition-speed);
}

.legal-section a:hover {
    color: var(--accent-color);
    text-decoration: underline;
}

.legal-notice {
    background: var(--light-bg);
    padding: var(--spacing-md);
    border-radius: 10px;
    margin: var(--spacing-lg) 0;
    border-left: 4px solid var(--primary-color);
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
}

.legal-notice.warning {
    background: #fff4e5;
    border-left-color: #ff9800;
}

.legal-notice i {
    font-size: 1.5rem;
    color: var(--primary-color);
    flex-shrink: 0;
    margin-top: 2px;
}

.legal-notice.warning i {
    color: #ff9800;
}

.legal-notice p, .legal-notice ul {
    flex: 1;
    margin: 0;
}

.legal-notice ul {
    margin-left: var(--spacing-md);
}

/* Related Links */
.related-links {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 2px solid var(--light-bg);
}

.related-links h3 {
    font-size: 1.4rem;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-sm);
}

.link-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--light-bg-secondary);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 10px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all var(--transition-speed);
}

.link-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
    border-color: var(--primary-color);
}

.link-card i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

/* Manual Layout */
.manual-layout {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: var(--spacing-lg);
}

.manual-sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
    background: var(--light-bg-secondary);
    padding: var(--spacing-md);
    border-radius: 15px;
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.manual-sidebar h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.manual-nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.manual-nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    transition: all var(--transition-speed);
}

.manual-nav-link:hover,
.manual-nav-link.active {
    background: var(--light-bg);
    color: var(--primary-color);
}

.manual-content {
    flex: 1;
}

.manual-section {
    margin-bottom: var(--spacing-xl);
}

.manual-card {
    background: var(--light-bg-secondary);
    padding: var(--spacing-md);
    border-radius: 15px;
    border: 1px solid rgba(0, 0, 0, 0.06);
    margin-bottom: var(--spacing-md);
}

.manual-card h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.manual-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-sm) 0;
}

.manual-table th,
.manual-table td {
    padding: var(--spacing-sm);
    text-align: left;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.manual-table th {
    background: var(--light-bg);
    font-weight: 600;
    color: var(--text-primary);
}

.manual-table td {
    color: var(--text-secondary);
}

.tip-box,
.warning-box {
    background: #e3f2fd;
    border-left: 4px solid #2196f3;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 8px;
    margin: var(--spacing-sm) 0;
    display: flex;
    gap: var(--spacing-sm);
}

.warning-box {
    background: #fff4e5;
    border-left-color: #ff9800;
}

.tip-box i,
.warning-box i {
    font-size: 1.3rem;
    color: #2196f3;
    flex-shrink: 0;
}

.warning-box i {
    color: #ff9800;
}

/* Support Page Styles */
.support-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.support-card {
    background: var(--light-bg-secondary);
    padding: var(--spacing-md);
    border-radius: 15px;
    border: 1px solid rgba(0, 0, 0, 0.06);
    text-align: center;
    transition: all var(--transition-speed);
}

.support-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow);
}

.support-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
}

.support-icon i {
    font-size: 2rem;
    color: #ffffff;
}

.contact-section {
    background: var(--light-bg);
    padding: var(--spacing-lg);
    border-radius: 15px;
    margin: var(--spacing-xl) 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.contact-card {
    background: var(--light-bg-secondary);
    padding: var(--spacing-md);
    border-radius: 10px;
    text-align: center;
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
}

.contact-icon i {
    font-size: 1.5rem;
    color: #ffffff;
}

.contact-note {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: var(--spacing-xs);
}

.premium-support {
    margin: var(--spacing-xl) 0;
}

.premium-banner {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: var(--spacing-lg);
    border-radius: 15px;
    color: #ffffff;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.premium-banner i {
    font-size: 3rem;
}

.premium-content {
    flex: 1;
}

.premium-content h3 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-sm);
}

.premium-content ul {
    list-style: none;
    margin: var(--spacing-sm) 0;
}

.premium-content li {
    margin-bottom: var(--spacing-xs);
}

/* Form Styles */
.form-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.support-form,
.feedback-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.form-group .required {
    color: #f44336;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--spacing-sm);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all var(--transition-speed);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.form-group small {
    font-size: 0.9rem;
    color: var(--text-light);
}

.checkbox-group label {
    flex-direction: row;
    font-weight: 400;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin-right: var(--spacing-xs);
}

.form-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.form-tips {
    background: var(--light-bg);
    padding: var(--spacing-md);
    border-radius: 10px;
    position: sticky;
    top: 100px;
}

.form-tips h4 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.form-tips ul {
    margin-left: var(--spacing-md);
}

.form-tips li {
    margin-bottom: var(--spacing-xs);
}

/* Common Issues */
.common-issues {
    margin: var(--spacing-xl) 0;
}

.issues-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.issue-card {
    background: var(--light-bg-secondary);
    padding: var(--spacing-md);
    border-radius: 10px;
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.issue-card h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--primary-color);
}

/* System Status */
.system-status {
    background: var(--light-bg);
    padding: var(--spacing-lg);
    border-radius: 15px;
    margin: var(--spacing-xl) 0;
}

.status-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

.status-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--light-bg-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 10px;
}

.status-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
}

.status-normal {
    background: #4caf50;
    box-shadow: 0 0 10px rgba(76, 175, 80, 0.5);
}

.status-warning {
    background: #ff9800;
    box-shadow: 0 0 10px rgba(255, 152, 0, 0.5);
}

.status-error {
    background: #f44336;
    box-shadow: 0 0 10px rgba(244, 67, 54, 0.5);
}

.status-info h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.status-info p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.status-note {
    margin-top: var(--spacing-md);
    font-size: 0.9rem;
    color: var(--text-light);
    text-align: center;
}

/* Feedback Specific */
.feedback-intro {
    margin-bottom: var(--spacing-xl);
}

.intro-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.intro-card {
    text-align: center;
    padding: var(--spacing-md);
}

.intro-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.feedback-types {
    margin: var(--spacing-xl) 0;
}

.types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.type-card {
    background: var(--light-bg-secondary);
    padding: var(--spacing-md);
    border-radius: 15px;
    border: 2px solid rgba(0, 0, 0, 0.06);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-speed);
}

.type-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--box-shadow);
}

.type-icon {
    width: 60px;
    height: 60px;
    background: var(--light-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
}

.type-icon i {
    font-size: 1.8rem;
    color: var(--primary-color);
}

.process-section {
    margin: var(--spacing-xl) 0;
}

.process-timeline {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.timeline-item {
    display: flex;
    gap: var(--spacing-md);
}

.timeline-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.timeline-icon i {
    font-size: 1.5rem;
    color: #ffffff;
}

.timeline-content {
    flex: 1;
}

.timeline-content h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xs);
}

.adopted-feedback {
    margin: var(--spacing-xl) 0;
}

.feedback-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.feedback-item {
    background: var(--light-bg-secondary);
    padding: var(--spacing-md);
    border-radius: 10px;
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.feedback-meta {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-sm);
}

.feedback-type,
.feedback-date,
.feedback-status {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.85rem;
}

.feedback-type {
    background: var(--light-bg);
    color: var(--text-primary);
}

.feedback-date {
    background: var(--light-bg);
    color: var(--text-secondary);
}

.feedback-status {
    font-weight: 600;
}

.status-done {
    background: #e8f5e9;
    color: #4caf50;
}

.status-progress {
    background: #fff3e0;
    color: #ff9800;
}

.feedback-result {
    margin-top: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.alternative-feedback,
.thank-you {
    text-align: center;
    margin: var(--spacing-xl) 0;
}

.alternative-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.alternative-card {
    background: var(--light-bg-secondary);
    padding: var(--spacing-lg) var(--spacing-md);
    border-radius: 15px;
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.alternative-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.thank-you {
    background: var(--light-bg);
    padding: var(--spacing-xl);
    border-radius: 15px;
}

.thank-you i {
    font-size: 3rem;
    color: #f44336;
    margin-bottom: var(--spacing-sm);
}

/* Contact Info */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-sm);
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.contact-item strong {
    display: block;
    margin-bottom: var(--spacing-xs);
}

/* CTA Box */
.cta-box {
    background: var(--light-bg);
    padding: var(--spacing-lg);
    border-radius: 15px;
    text-align: center;
    margin: var(--spacing-xl) 0;
}

.cta-box i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.cta-box h3 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-sm);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
}

/* Responsive Design for New Pages */
@media (max-width: 768px) {
    .manual-layout {
        grid-template-columns: 1fr;
    }
    
    .manual-sidebar {
        position: static;
    }
    
    .form-container {
        grid-template-columns: 1fr;
    }
    
    .form-tips {
        position: static;
    }
    
    .premium-banner {
        flex-direction: column;
        text-align: center;
    }
    
    .process-timeline {
        padding-left: 0;
    }
    
    .timeline-item {
        flex-direction: column;
    }
}