/* ============================================
   影视AI工坊 - 主样式表
   CSS前缀: ai-
   设计风格: 未来科技赛博风
   ============================================ */

/* --- Google Fonts Import (本地化) --- */
@font-face {
    font-family: 'Orbitron';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: local('Orbitron Regular'), local('Orbitron-Regular');
}

/* --- CSS Variables --- */
:root {
    --ai-primary: #4F00BC;
    --ai-secondary: #A855F7;
    --ai-accent: #00F6FF;
    --ai-text: #E5E7EB;
    --ai-link: #A855F7;
    --ai-bg-dark: #0a0015;
    --ai-bg-card: rgba(79, 0, 188, 0.15);
    --ai-glass-bg: rgba(79, 0, 188, 0.12);
    --ai-glass-border: rgba(168, 85, 247, 0.3);
    --ai-glow-purple: 0 0 20px rgba(168, 85, 247, 0.4);
    --ai-glow-cyan: 0 0 20px rgba(0, 246, 255, 0.4);
    --ai-font-heading: 'Orbitron', 'Rajdhani', 'Segoe UI', sans-serif;
    --ai-font-body: 'Roboto', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
    --ai-radius: 12px;
    --ai-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: var(--ai-font-body);
    background-color: var(--ai-bg-dark);
    color: var(--ai-text);
    line-height: 1.8;
    overflow-x: hidden;
    min-height: 100vh;
}

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

a:hover {
    color: var(--ai-accent);
    text-shadow: var(--ai-glow-cyan);
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--ai-font-heading);
    font-weight: 700;
    line-height: 1.3;
    color: #fff;
}

/* --- Hidden Jammer Blocks --- */
.neural-jammer-block {
    display: none !important;
}

/* --- Neural Network Background Animation --- */
.ai-neural-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

.ai-neural-bg canvas {
    width: 100%;
    height: 100%;
}

/* --- Navigation --- */
#ai-header {
    width: 100%;
    z-index: 1000;
    background: var(--ai-glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--ai-glass-border);
    box-shadow: 0 4px 30px rgba(79, 0, 188, 0.1);
    position: relative;
}

.ai-nav-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.ai-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.ai-logo-icon {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--ai-primary), var(--ai-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--ai-glow-purple);
    position: relative;
    overflow: hidden;
}

.ai-logo-icon::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid var(--ai-accent);
    border-radius: 50%;
    animation: ai-pulse-ring 2s infinite;
}

@keyframes ai-pulse-ring {
    0% { transform: scale(0.5); opacity: 1; }
    100% { transform: scale(1.5); opacity: 0; }
}

.ai-logo-icon svg {
    width: 24px;
    height: 24px;
    fill: var(--ai-accent);
    z-index: 1;
}

.sp-logo-text {
    font-family: var(--ai-font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    background: linear-gradient(90deg, var(--ai-secondary), var(--ai-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
}

.ai-nav-menu {
    display: flex;
    list-style: none;
    gap: 8px;
    align-items: center;
}

.ai-nav-menu li a {
    display: block;
    padding: 8px 16px;
    font-size: 0.9rem;
    color: var(--ai-text);
    border-radius: 8px;
    position: relative;
    transition: var(--ai-transition);
    white-space: nowrap;
}

.ai-nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--ai-accent);
    transition: var(--ai-transition);
    transform: translateX(-50%);
    box-shadow: var(--ai-glow-cyan);
}

.ai-nav-menu li a:hover {
    color: var(--ai-accent);
    background: rgba(0, 246, 255, 0.05);
}

.ai-nav-menu li a:hover::after {
    width: 60%;
}

.ai-nav-menu li a.ai-nav-active {
    color: var(--ai-accent);
}

/* --- Hamburger Menu --- */
.ai-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    z-index: 1002;
    background: none;
    border: none;
}

.ai-hamburger span {
    width: 28px;
    height: 2px;
    background: var(--ai-accent);
    transition: var(--ai-transition);
    border-radius: 2px;
}

.ai-hamburger.ai-active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.ai-hamburger.ai-active span:nth-child(2) {
    opacity: 0;
}

.ai-hamburger.ai-active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Mobile Menu Overlay --- */
.ai-mobile-overlay {
    position: fixed;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100vh;
    background: rgba(10, 0, 21, 0.97);
    backdrop-filter: blur(30px);
    z-index: 1001;
    transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.ai-mobile-overlay.ai-open {
    left: 0;
}

.ai-mobile-nav {
    list-style: none;
    text-align: center;
}

.ai-mobile-nav li {
    margin: 20px 0;
}

.ai-mobile-nav li a {
    font-family: var(--ai-font-heading);
    font-size: 1.5rem;
    color: var(--ai-text);
    padding: 12px 30px;
    display: block;
    border: 1px solid transparent;
    border-radius: var(--ai-radius);
    transition: var(--ai-transition);
}

.ai-mobile-nav li a:hover {
    color: var(--ai-accent);
    border-color: var(--ai-glass-border);
    background: var(--ai-glass-bg);
    box-shadow: var(--ai-glow-cyan);
}

/* --- Hero Section --- */
.ai-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    padding: 100px 20px;
}

.ai-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4;
    z-index: 0;
}

.ai-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(10,0,21,0.3) 0%, rgba(10,0,21,0.8) 100%);
    z-index: 1;
}

.ai-hero-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(168, 85, 247, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(168, 85, 247, 0.05) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: 2;
    animation: ai-grid-move 20s linear infinite;
}

@keyframes ai-grid-move {
    0% { transform: translateY(0); }
    100% { transform: translateY(60px); }
}

.ai-hero-content {
    position: relative;
    z-index: 3;
    max-width: 900px;
}

.ai-hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #fff, var(--ai-secondary), var(--ai-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: ai-text-shimmer 3s ease-in-out infinite;
    background-size: 200% 200%;
}

@keyframes ai-text-shimmer {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.ai-hero-slogan {
    font-size: 1.8rem;
    font-family: var(--ai-font-heading);
    color: var(--ai-accent);
    margin-bottom: 15px;
    text-shadow: var(--ai-glow-cyan);
    letter-spacing: 2px;
}

.ai-hero-desc {
    font-size: 1.1rem;
    color: rgba(229, 231, 235, 0.85);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.ai-btn-primary {
    display: inline-block;
    padding: 14px 40px;
    background: linear-gradient(135deg, var(--ai-primary), var(--ai-secondary));
    color: #fff;
    font-family: var(--ai-font-heading);
    font-size: 1rem;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: var(--ai-transition);
    text-decoration: none;
    box-shadow: var(--ai-glow-purple);
}

.ai-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 40px rgba(168, 85, 247, 0.6);
    color: #fff;
}

.ai-btn-primary::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.1), transparent);
    transform: rotate(45deg);
    transition: var(--ai-transition);
}

.ai-btn-primary:hover::before {
    animation: ai-btn-shine 0.6s ease;
}

@keyframes ai-btn-shine {
    0% { left: -50%; }
    100% { left: 150%; }
}

.ai-btn-outline {
    display: inline-block;
    padding: 14px 40px;
    background: transparent;
    color: var(--ai-accent);
    font-family: var(--ai-font-heading);
    font-size: 1rem;
    border: 2px solid var(--ai-accent);
    border-radius: 50px;
    cursor: pointer;
    transition: var(--ai-transition);
    text-decoration: none;
}

.ai-btn-outline:hover {
    background: rgba(0, 246, 255, 0.1);
    box-shadow: var(--ai-glow-cyan);
    color: var(--ai-accent);
    transform: translateY(-2px);
}

/* --- Section Common --- */
.ai-section {
    padding: 100px 20px;
    max-width: 1440px;
    margin: 0 auto;
}

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

.ai-section-tag {
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    color: var(--ai-accent);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 10px;
    display: block;
}

.ai-section-title {
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: #fff;
}

.ai-section-desc {
    font-size: 1.05rem;
    color: rgba(229, 231, 235, 0.75);
    max-width: 700px;
    margin: 0 auto;
}

/* --- Glass Card --- */
.ai-glass-card {
    background: var(--ai-glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--ai-glass-border);
    border-radius: var(--ai-radius);
    padding: 30px;
    transition: var(--ai-transition);
    position: relative;
    overflow: hidden;
}

.ai-glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--ai-secondary), transparent);
}

.ai-glass-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--ai-glow-purple);
    border-color: var(--ai-secondary);
}

/* --- Inspiration Matrix --- */
.ai-matrix-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.ai-matrix-card {
    position: relative;
    border-radius: var(--ai-radius);
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
}

.ai-matrix-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.ai-matrix-card:hover img {
    transform: scale(1.08);
}

.ai-matrix-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 25px;
    background: linear-gradient(transparent, rgba(10, 0, 21, 0.95));
    transform: translateY(60%);
    transition: transform 0.4s ease;
}

.ai-matrix-card:hover .ai-matrix-overlay {
    transform: translateY(0);
}

.ai-matrix-overlay h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--ai-accent);
}

.ai-matrix-overlay p {
    font-size: 0.85rem;
    color: rgba(229, 231, 235, 0.8);
}

/* --- Algorithm Store --- */
.ai-algo-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.ai-algo-card {
    text-align: center;
    padding: 40px 25px;
}

.ai-algo-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    border-radius: 20px;
    background: linear-gradient(135deg, var(--ai-primary), rgba(168, 85, 247, 0.3));
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--ai-glow-purple);
    transition: var(--ai-transition);
}

.ai-algo-card:hover .ai-algo-icon {
    box-shadow: var(--ai-glow-cyan);
    background: linear-gradient(135deg, rgba(0, 246, 255, 0.2), var(--ai-primary));
}

.ai-algo-icon svg {
    width: 40px;
    height: 40px;
    stroke: var(--ai-accent);
    fill: none;
    stroke-width: 1.5;
}

.ai-algo-card h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.ai-algo-card p {
    font-size: 0.9rem;
    color: rgba(229, 231, 235, 0.7);
}

/* --- Digital Human Showcase --- */
.ai-dh-showcase {
    display: flex;
    gap: 40px;
    align-items: center;
}

.ai-dh-image {
    flex: 0 0 400px;
    border-radius: var(--ai-radius);
    overflow: hidden;
    border: 1px solid var(--ai-glass-border);
    box-shadow: var(--ai-glow-purple);
}

.ai-dh-image img {
    width: 100%;
    height: auto;
}

.ai-dh-info {
    flex: 1;
}

.ai-dh-info h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: var(--ai-accent);
}

.ai-dh-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-top: 25px;
}

.ai-dh-stat {
    padding: 15px;
    background: var(--ai-glass-bg);
    border: 1px solid var(--ai-glass-border);
    border-radius: 8px;
}

.ai-dh-stat-label {
    font-size: 0.75rem;
    color: var(--ai-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.ai-dh-stat-value {
    font-family: var(--ai-font-heading);
    font-size: 1.2rem;
    color: #fff;
    margin-top: 5px;
}

/* --- Tech Singularity (Blog) --- */
.ai-blog-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.ai-blog-item {
    display: flex;
    gap: 25px;
    padding: 25px;
    align-items: center;
}

.ai-blog-item:hover {
    border-color: var(--ai-accent);
}

.ai-blog-date {
    flex: 0 0 100px;
    text-align: center;
    font-family: 'Courier New', monospace;
}

.ai-blog-date .ai-date-day {
    font-size: 2rem;
    font-weight: 700;
    color: var(--ai-accent);
    display: block;
}

.ai-blog-date .ai-date-month {
    font-size: 0.8rem;
    color: var(--ai-secondary);
    text-transform: uppercase;
}

.ai-blog-content {
    flex: 1;
}

.ai-blog-content h3 {
    font-size: 1.15rem;
    margin-bottom: 8px;
}

.ai-blog-content h3 a {
    color: #fff;
}

.ai-blog-content h3 a:hover {
    color: var(--ai-accent);
}

.ai-blog-content p {
    font-size: 0.9rem;
    color: rgba(229, 231, 235, 0.7);
}

.ai-blog-tag {
    display: inline-block;
    padding: 3px 10px;
    font-size: 0.7rem;
    background: rgba(168, 85, 247, 0.2);
    color: var(--ai-secondary);
    border-radius: 20px;
    margin-top: 8px;
}

/* --- Future Director Program --- */
.ai-fdp-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.ai-fdp-image {
    border-radius: var(--ai-radius);
    overflow: hidden;
    border: 1px solid var(--ai-glass-border);
}

.ai-fdp-image img {
    width: 100%;
    height: auto;
}

.ai-fdp-content h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.ai-fdp-content p {
    margin-bottom: 20px;
    color: rgba(229, 231, 235, 0.8);
}

.ai-fdp-steps {
    list-style: none;
    counter-reset: ai-step;
}

.ai-fdp-steps li {
    counter-increment: ai-step;
    padding: 12px 0;
    padding-left: 50px;
    position: relative;
    border-bottom: 1px solid rgba(168, 85, 247, 0.15);
}

.ai-fdp-steps li::before {
    content: counter(ai-step, decimal-leading-zero);
    position: absolute;
    left: 0;
    font-family: var(--ai-font-heading);
    font-size: 1.2rem;
    color: var(--ai-accent);
}

/* --- API Access --- */
.ai-api-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.ai-api-image {
    border-radius: var(--ai-radius);
    overflow: hidden;
    border: 1px solid var(--ai-glass-border);
}

.ai-api-image img {
    width: 100%;
    height: auto;
}

.ai-code-block {
    background: rgba(10, 0, 21, 0.8);
    border: 1px solid var(--ai-glass-border);
    border-radius: 8px;
    padding: 20px;
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    color: var(--ai-accent);
    overflow-x: auto;
    margin-top: 20px;
}

.ai-code-block .ai-code-comment {
    color: rgba(168, 85, 247, 0.6);
}

.ai-code-block .ai-code-key {
    color: var(--ai-secondary);
}

.ai-code-block .ai-code-string {
    color: #4ade80;
}

/* --- Testimonials --- */
.ai-testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.ai-testimonial-card {
    padding: 35px;
    text-align: center;
}

.ai-testimonial-quote {
    font-size: 0.95rem;
    font-style: italic;
    color: rgba(229, 231, 235, 0.85);
    margin-bottom: 20px;
    position: relative;
    padding: 0 10px;
}

.ai-testimonial-quote::before {
    content: '\201C';
    font-size: 3rem;
    color: var(--ai-secondary);
    position: absolute;
    top: -20px;
    left: -5px;
    opacity: 0.5;
}

.ai-testimonial-author {
    font-family: var(--ai-font-heading);
    font-size: 0.9rem;
    color: var(--ai-accent);
}

.ai-testimonial-role {
    font-size: 0.8rem;
    color: rgba(229, 231, 235, 0.5);
    margin-top: 5px;
}

/* --- Partners --- */
.ai-partners-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 40px;
    padding: 40px 0;
}

.ai-partner-logo {
    width: 120px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.5;
    transition: var(--ai-transition);
    filter: grayscale(100%) brightness(2);
}

.ai-partner-logo:hover {
    opacity: 1;
    filter: grayscale(0%) brightness(1);
}

.ai-partner-logo img {
    max-width: 100%;
    max-height: 100%;
}

/* --- CTA Section --- */
.ai-cta-section {
    text-align: center;
    padding: 120px 20px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(79, 0, 188, 0.3), rgba(10, 0, 21, 0.9));
}

.ai-cta-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.15), transparent 70%);
    transform: translate(-50%, -50%);
    border-radius: 50%;
    animation: ai-cta-pulse 4s ease-in-out infinite;
}

@keyframes ai-cta-pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 1; }
}

.ai-cta-content {
    position: relative;
    z-index: 2;
}

.ai-cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.ai-cta-content p {
    font-size: 1.1rem;
    color: rgba(229, 231, 235, 0.8);
    margin-bottom: 35px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.ai-cta-btn {
    display: inline-block;
    padding: 18px 60px;
    background: linear-gradient(135deg, var(--ai-primary), var(--ai-secondary));
    color: #fff;
    font-family: var(--ai-font-heading);
    font-size: 1.2rem;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--ai-transition);
    text-decoration: none;
    box-shadow: 0 0 30px rgba(168, 85, 247, 0.5), 0 0 60px rgba(168, 85, 247, 0.2);
    animation: ai-cta-glow 2s ease-in-out infinite;
}

@keyframes ai-cta-glow {
    0%, 100% { box-shadow: 0 0 30px rgba(168, 85, 247, 0.5), 0 0 60px rgba(168, 85, 247, 0.2); }
    50% { box-shadow: 0 0 50px rgba(168, 85, 247, 0.8), 0 0 100px rgba(168, 85, 247, 0.4); }
}

.ai-cta-btn:hover {
    transform: translateY(-3px) scale(1.05);
    color: #fff;
}

/* --- Footer --- */
#ai-footer {
    background: linear-gradient(180deg, var(--ai-bg-dark), #050008);
    border-top: 1px solid var(--ai-glass-border);
    padding: 60px 20px 30px;
    position: relative;
    overflow: hidden;
}

#ai-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 20px,
        rgba(168, 85, 247, 0.02) 20px,
        rgba(168, 85, 247, 0.02) 21px
    );
    pointer-events: none;
    animation: ai-code-rain 10s linear infinite;
}

@keyframes ai-code-rain {
    0% { transform: translateY(0); }
    100% { transform: translateY(21px); }
}

.ai-footer-container {
    max-width: 1440px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    position: relative;
    z-index: 1;
}

.ai-footer-col h4 {
    font-family: var(--ai-font-heading);
    font-size: 1rem;
    color: var(--ai-accent);
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.ai-footer-col ul {
    list-style: none;
}

.ai-footer-col ul li {
    margin-bottom: 10px;
}

.ai-footer-col ul li a {
    color: rgba(229, 231, 235, 0.6);
    font-size: 0.9rem;
    transition: var(--ai-transition);
}

.ai-footer-col ul li a:hover {
    color: var(--ai-accent);
    padding-left: 5px;
}

.ai-footer-social {
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

.ai-footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--ai-glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--ai-transition);
}

.ai-footer-social a:hover {
    border-color: var(--ai-accent);
    box-shadow: var(--ai-glow-cyan);
    background: rgba(0, 246, 255, 0.1);
}

.ai-footer-social a svg {
    width: 18px;
    height: 18px;
    fill: var(--ai-text);
}

.ai-footer-bottom {
    max-width: 1440px;
    margin: 40px auto 0;
    padding-top: 25px;
    border-top: 1px solid rgba(168, 85, 247, 0.15);
    text-align: center;
    font-size: 0.8rem;
    color: rgba(229, 231, 235, 0.4);
    position: relative;
    z-index: 1;
}

.ai-footer-bottom p {
    margin-bottom: 8px;
}

.ai-footer-bottom a {
    color: rgba(229, 231, 235, 0.5);
}

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

.ai-footer-honor {
    display: inline-block;
    padding: 5px 15px;
    background: rgba(168, 85, 247, 0.1);
    border: 1px solid rgba(168, 85, 247, 0.2);
    border-radius: 20px;
    margin: 10px 0;
    font-size: 0.75rem;
    color: var(--ai-secondary);
}

/* --- Inner Page Hero --- */
.ai-inner-hero {
    padding: 120px 20px 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(79, 0, 188, 0.2), var(--ai-bg-dark));
}

.ai-inner-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(168, 85, 247, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(168, 85, 247, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
}

.ai-inner-hero h1 {
    font-size: 2.8rem;
    margin-bottom: 15px;
    position: relative;
}

.ai-inner-hero p {
    font-size: 1.1rem;
    color: rgba(229, 231, 235, 0.75);
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

/* --- Inner Page Content --- */
.ai-content-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 20px;
}

.ai-article-body {
    max-width: 800px;
    margin: 0 auto;
}

.ai-article-body h2 {
    font-size: 1.6rem;
    margin: 40px 0 15px;
    color: var(--ai-accent);
}

.ai-article-body h3 {
    font-size: 1.3rem;
    margin: 30px 0 12px;
}

.ai-article-body p {
    margin-bottom: 18px;
    color: rgba(229, 231, 235, 0.85);
}

.ai-article-body img {
    border-radius: var(--ai-radius);
    margin: 25px 0;
    border: 1px solid var(--ai-glass-border);
}

.ai-article-body code {
    background: rgba(79, 0, 188, 0.2);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.9em;
    color: var(--ai-accent);
}

.ai-article-body pre {
    background: rgba(10, 0, 21, 0.8);
    border: 1px solid var(--ai-glass-border);
    border-radius: 8px;
    padding: 20px;
    overflow-x: auto;
    margin: 25px 0;
}

.ai-article-body pre code {
    background: none;
    padding: 0;
}

/* --- Workbench Page --- */
.ai-wb-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 20px 80px;
}

.ai-wb-tabs {
    display: flex;
    gap: 5px;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--ai-glass-border);
    padding-bottom: 0;
    overflow-x: auto;
}

.ai-wb-tab {
    padding: 12px 25px;
    font-family: var(--ai-font-heading);
    font-size: 0.9rem;
    color: var(--ai-text);
    background: none;
    border: none;
    cursor: pointer;
    transition: var(--ai-transition);
    border-bottom: 2px solid transparent;
    white-space: nowrap;
}

.ai-wb-tab:hover {
    color: var(--ai-accent);
}

.ai-wb-tab.ai-wb-active {
    color: var(--ai-accent);
    border-bottom-color: var(--ai-accent);
    background: rgba(0, 246, 255, 0.05);
}

.ai-wb-panel {
    display: none;
    animation: ai-fade-in 0.3s ease;
}

.ai-wb-panel.ai-wb-visible {
    display: block;
}

@keyframes ai-fade-in {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.ai-wb-layout {
    display: grid;
    grid-template-columns: 280px 1fr 280px;
    gap: 20px;
    min-height: 500px;
}

.ai-wb-sidebar {
    padding: 25px;
}

.ai-wb-main {
    padding: 25px;
}

.ai-wb-upload-zone {
    border: 2px dashed var(--ai-glass-border);
    border-radius: var(--ai-radius);
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: var(--ai-transition);
    margin-bottom: 20px;
}

.ai-wb-upload-zone:hover {
    border-color: var(--ai-accent);
    background: rgba(0, 246, 255, 0.03);
}

.ai-wb-upload-icon {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: var(--ai-secondary);
}

.ai-wb-preview {
    width: 100%;
    aspect-ratio: 16/9;
    background: rgba(10, 0, 21, 0.5);
    border: 1px solid var(--ai-glass-border);
    border-radius: var(--ai-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.ai-wb-preview-split {
    position: absolute;
    top: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    background: var(--ai-accent);
    box-shadow: var(--ai-glow-cyan);
}

.ai-wb-slider {
    width: 100%;
    margin: 15px 0;
    -webkit-appearance: none;
    height: 4px;
    background: rgba(168, 85, 247, 0.3);
    border-radius: 2px;
    outline: none;
}

.ai-wb-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--ai-accent);
    cursor: pointer;
    box-shadow: var(--ai-glow-cyan);
}

.ai-wb-generate-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--ai-primary), var(--ai-secondary));
    color: #fff;
    font-family: var(--ai-font-heading);
    font-size: 1rem;
    border: none;
    border-radius: var(--ai-radius);
    cursor: pointer;
    transition: var(--ai-transition);
    margin-top: 20px;
}

.ai-wb-generate-btn:hover {
    box-shadow: var(--ai-glow-purple);
    transform: translateY(-2px);
}

.ai-wb-progress {
    width: 100%;
    height: 4px;
    background: rgba(168, 85, 247, 0.2);
    border-radius: 2px;
    margin-top: 15px;
    overflow: hidden;
    display: none;
}

.ai-wb-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--ai-primary), var(--ai-accent));
    border-radius: 2px;
    width: 0%;
    transition: width 0.3s ease;
}

.ai-wb-status {
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    color: var(--ai-accent);
    margin-top: 10px;
    text-align: center;
    display: none;
}

/* --- Voice Tool --- */
.ai-voice-textarea {
    width: 100%;
    min-height: 200px;
    background: rgba(10, 0, 21, 0.5);
    border: 1px solid var(--ai-glass-border);
    border-radius: var(--ai-radius);
    padding: 20px;
    color: var(--ai-text);
    font-family: var(--ai-font-body);
    font-size: 1rem;
    resize: vertical;
    outline: none;
    transition: var(--ai-transition);
}

.ai-voice-textarea:focus {
    border-color: var(--ai-accent);
    box-shadow: var(--ai-glow-cyan);
}

.ai-voice-selector {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin: 20px 0;
}

.ai-voice-option {
    padding: 15px;
    text-align: center;
    cursor: pointer;
    border: 1px solid var(--ai-glass-border);
    border-radius: var(--ai-radius);
    background: var(--ai-glass-bg);
    transition: var(--ai-transition);
}

.ai-voice-option:hover,
.ai-voice-option.ai-selected {
    border-color: var(--ai-accent);
    box-shadow: var(--ai-glow-cyan);
}

.ai-voice-option-name {
    font-size: 0.9rem;
    color: #fff;
    margin-bottom: 5px;
}

.ai-voice-option-desc {
    font-size: 0.75rem;
    color: rgba(229, 231, 235, 0.5);
}

/* --- App Download Page --- */
.ai-app-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 100px 20px;
    position: relative;
    overflow: hidden;
}

.ai-app-globe {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    opacity: 0.3;
}

.ai-app-globe img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ai-app-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
}

.ai-app-content h1 {
    font-size: 2.8rem;
    margin-bottom: 20px;
}

.ai-app-content p {
    font-size: 1.1rem;
    color: rgba(229, 231, 235, 0.8);
    margin-bottom: 35px;
}

.ai-app-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.ai-app-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 14px 30px;
    border-radius: var(--ai-radius);
    border: 1px solid var(--ai-glass-border);
    background: var(--ai-glass-bg);
    backdrop-filter: blur(10px);
    color: #fff;
    transition: var(--ai-transition);
    text-decoration: none;
}

.ai-app-btn:hover {
    border-color: var(--ai-accent);
    box-shadow: var(--ai-glow-cyan);
    color: #fff;
    transform: translateY(-3px);
}

.ai-app-btn svg {
    width: 28px;
    height: 28px;
    fill: #fff;
}

.ai-app-btn-text {
    text-align: left;
}

.ai-app-btn-small {
    font-size: 0.7rem;
    color: rgba(229, 231, 235, 0.6);
    display: block;
}

.ai-app-btn-big {
    font-size: 1.1rem;
    font-weight: 600;
}

.ai-app-qr {
    margin-top: 40px;
}

.ai-app-qr-box {
    display: inline-block;
    padding: 20px;
    background: var(--ai-glass-bg);
    border: 1px solid var(--ai-glass-border);
    border-radius: var(--ai-radius);
    backdrop-filter: blur(10px);
}

.ai-app-qr-box img {
    width: 160px;
    height: 160px;
}

.ai-app-qr p {
    margin-top: 10px;
    font-size: 0.85rem;
    color: rgba(229, 231, 235, 0.6);
}

/* --- Responsive Design --- */

/* 1440px */
@media (max-width: 1440px) {
    .ai-hero-content h1 { font-size: 3rem; }
    .ai-section { padding: 80px 20px; }
}

/* 1024px */
@media (max-width: 1024px) {
    .ai-nav-menu { display: none; }
    .ai-hamburger { display: flex; }

    .ai-hero-content h1 { font-size: 2.5rem; }
    .ai-hero-slogan { font-size: 1.4rem; }

    .ai-matrix-grid { grid-template-columns: repeat(2, 1fr); }
    .ai-algo-grid { grid-template-columns: repeat(2, 1fr); }
    .ai-testimonials-grid { grid-template-columns: repeat(2, 1fr); }

    .ai-dh-showcase { flex-direction: column; }
    .ai-dh-image { flex: none; width: 100%; max-width: 400px; margin: 0 auto; }

    .ai-fdp-container { grid-template-columns: 1fr; }
    .ai-api-container { grid-template-columns: 1fr; }

    .ai-wb-layout { grid-template-columns: 1fr; }

    .ai-footer-container { grid-template-columns: 1fr 1fr; }
}

/* 768px */
@media (max-width: 768px) {
    .ai-hero { min-height: 80vh; padding: 80px 15px; }
    .ai-hero-content h1 { font-size: 2rem; }
    .ai-hero-slogan { font-size: 1.2rem; }
    .ai-hero-desc { font-size: 0.95rem; }

    .ai-section { padding: 60px 15px; }
    .ai-section-title { font-size: 2rem; }

    .ai-matrix-grid { grid-template-columns: 1fr; }
    .ai-algo-grid { grid-template-columns: 1fr; }
    .ai-testimonials-grid { grid-template-columns: 1fr; }

    .ai-blog-item { flex-direction: column; text-align: center; }
    .ai-blog-date { flex: none; }

    .ai-dh-stats { grid-template-columns: 1fr; }

    .ai-cta-content h2 { font-size: 2rem; }

    .ai-inner-hero { padding: 80px 15px 60px; }
    .ai-inner-hero h1 { font-size: 2rem; }

    .ai-voice-selector { grid-template-columns: 1fr; }

    .ai-footer-container { grid-template-columns: 1fr; text-align: center; }
    .ai-footer-social { justify-content: center; }

    .ai-app-content h1 { font-size: 2rem; }
}

/* 360px */
@media (max-width: 360px) {
    html { font-size: 14px; }
    .ai-hero-content h1 { font-size: 1.6rem; }
    .ai-hero-slogan { font-size: 1rem; }
    .ai-section-title { font-size: 1.6rem; }
    .ai-btn-primary, .ai-btn-outline { padding: 12px 25px; font-size: 0.9rem; }
    .ai-cta-btn { padding: 14px 40px; font-size: 1rem; }
    .ai-nav-container { padding: 0 10px; }
}

/* --- Utility Classes --- */
.ai-text-gradient {
    background: linear-gradient(135deg, var(--ai-secondary), var(--ai-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.ai-divider {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--ai-primary), var(--ai-accent));
    margin: 15px auto;
    border-radius: 2px;
}

.ai-badge {
    display: inline-block;
    padding: 4px 12px;
    font-size: 0.7rem;
    font-family: var(--ai-font-heading);
    background: rgba(0, 246, 255, 0.1);
    color: var(--ai-accent);
    border: 1px solid rgba(0, 246, 255, 0.3);
    border-radius: 20px;
    letter-spacing: 1px;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--ai-bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--ai-primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--ai-secondary);
}

/* --- Selection --- */
::selection {
    background: var(--ai-secondary);
    color: #fff;
}


/* ============================================
   Extended Styles - Workbench & App Download
   ============================================ */

/* --- Workbench Panel Inner --- */
.ai-wb-panel-inner {
    padding: 30px;
}

.ai-wb-panel-inner h2 {
    font-family: var(--ai-font-heading);
    font-size: 1.5rem;
    color: var(--ai-accent);
    margin-bottom: 10px;
}

.ai-wb-panel-inner > p {
    color: rgba(229, 231, 235, 0.7);
    margin-bottom: 25px;
    line-height: 1.7;
}

/* --- Upload Area --- */
.ai-wb-upload-area {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.ai-wb-upload-box {
    flex: 1;
    min-width: 200px;
    padding: 30px 20px;
    border: 2px dashed var(--ai-glass-border);
    border-radius: var(--ai-radius);
    background: rgba(79, 0, 188, 0.08);
    text-align: center;
    cursor: pointer;
    transition: var(--ai-transition);
}

.ai-wb-upload-box:hover {
    border-color: var(--ai-secondary);
    background: rgba(79, 0, 188, 0.15);
}

.ai-wb-upload-box svg {
    margin-bottom: 10px;
}

.ai-wb-upload-box p {
    color: var(--ai-text);
    font-size: 0.95rem;
    margin-bottom: 5px;
}

.ai-wb-upload-box span {
    color: rgba(229, 231, 235, 0.4);
    font-size: 0.8rem;
}

/* --- Options --- */
.ai-wb-options {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 20px;
}

.ai-wb-option {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--ai-text);
    font-size: 0.9rem;
    cursor: pointer;
}

.ai-wb-option input[type="checkbox"],
.ai-wb-option input[type="radio"] {
    accent-color: var(--ai-secondary);
    width: 16px;
    height: 16px;
}

/* --- Textarea --- */
.ai-wb-textarea-wrap {
    margin-bottom: 25px;
}

.ai-wb-textarea {
    width: 100%;
    padding: 15px;
    background: rgba(10, 0, 21, 0.6);
    border: 1px solid var(--ai-glass-border);
    border-radius: var(--ai-radius);
    color: var(--ai-text);
    font-family: var(--ai-font-body);
    font-size: 0.95rem;
    line-height: 1.7;
    resize: vertical;
    transition: var(--ai-transition);
}

.ai-wb-textarea:focus {
    outline: none;
    border-color: var(--ai-secondary);
    box-shadow: var(--ai-glow-purple);
}

/* --- Voice Grid --- */
.ai-wb-voice-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 12px;
    margin-bottom: 25px;
}

.ai-voice-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 15px 10px;
    border: 1px solid var(--ai-glass-border);
    border-radius: var(--ai-radius);
    background: rgba(79, 0, 188, 0.08);
    cursor: pointer;
    transition: var(--ai-transition);
}

.ai-voice-option:hover {
    border-color: var(--ai-secondary);
    background: rgba(79, 0, 188, 0.15);
}

.ai-voice-option.ai-selected {
    border-color: var(--ai-accent);
    background: rgba(0, 246, 255, 0.1);
    box-shadow: var(--ai-glow-cyan);
}

.ai-voice-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--ai-primary), var(--ai-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--ai-font-heading);
    font-size: 0.75rem;
    color: #fff;
    font-weight: bold;
}

.ai-voice-option span {
    font-size: 0.8rem;
    color: var(--ai-text);
}

/* --- Sliders --- */
.ai-wb-sliders {
    display: flex;
    gap: 30px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.ai-wb-slider-group {
    flex: 1;
    min-width: 200px;
}

.ai-wb-slider-group label {
    display: flex;
    justify-content: space-between;
    color: var(--ai-text);
    font-size: 0.85rem;
    margin-bottom: 8px;
}

.ai-wb-slider-group label span {
    color: var(--ai-accent);
}

.ai-wb-slider-group input[type="range"] {
    width: 100%;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: rgba(168, 85, 247, 0.3);
    border-radius: 2px;
    outline: none;
}

.ai-wb-slider-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--ai-secondary);
    cursor: pointer;
    box-shadow: var(--ai-glow-purple);
}

/* --- Workbench Preview --- */
.ai-wb-preview {
    margin-top: 25px;
    border-radius: var(--ai-radius);
    overflow: hidden;
    border: 1px solid var(--ai-glass-border);
}

.ai-wb-preview img {
    width: 100%;
    height: auto;
    display: block;
}

/* --- Progress Track Override --- */
.ai-wb-progress-track {
    width: 100%;
    height: 6px;
    background: rgba(168, 85, 247, 0.2);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 15px;
}

/* --- App Download Page --- */
.ai-app-download-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
}

.ai-app-showcase {
    display: flex;
    justify-content: center;
}

.ai-app-phone-mockup {
    width: 280px;
    border-radius: 30px;
    overflow: hidden;
    border: 3px solid var(--ai-glass-border);
    box-shadow: var(--ai-glow-purple);
}

.ai-app-phone-mockup img {
    width: 100%;
    height: auto;
    display: block;
}

.ai-app-info h2 {
    font-family: var(--ai-font-heading);
    font-size: 2rem;
    color: #fff;
    margin-bottom: 5px;
}

.ai-app-version {
    font-size: 0.85rem;
    color: var(--ai-accent);
    margin-bottom: 20px;
}

.ai-app-info > p {
    color: rgba(229, 231, 235, 0.7);
    line-height: 1.8;
    margin-bottom: 30px;
}

.ai-app-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 30px;
}

.ai-app-feature {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.ai-app-feature-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: rgba(79, 0, 188, 0.2);
    border: 1px solid var(--ai-glass-border);
}

.ai-app-feature h4 {
    color: #fff;
    font-size: 0.95rem;
    margin-bottom: 3px;
}

.ai-app-feature p {
    color: rgba(229, 231, 235, 0.6);
    font-size: 0.85rem;
    line-height: 1.5;
}

.ai-app-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.ai-app-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    border-radius: var(--ai-radius);
    text-decoration: none;
    color: #fff;
    transition: var(--ai-transition);
}

.ai-app-btn-ios {
    background: linear-gradient(135deg, #1a1a2e, #2d1b69);
    border: 1px solid var(--ai-glass-border);
}

.ai-app-btn-android {
    background: linear-gradient(135deg, #1a1a2e, #0d4a2e);
    border: 1px solid rgba(74, 222, 128, 0.3);
}

.ai-app-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--ai-glow-purple);
}

.ai-app-btn small {
    display: block;
    font-size: 0.65rem;
    opacity: 0.7;
}

.ai-app-btn strong {
    display: block;
    font-size: 1rem;
}

.ai-app-qr {
    text-align: center;
    margin-bottom: 30px;
}

.ai-qr-placeholder {
    display: inline-block;
    padding: 10px;
    border: 1px solid var(--ai-glass-border);
    border-radius: var(--ai-radius);
    background: rgba(79, 0, 188, 0.1);
    margin-bottom: 10px;
}

.ai-app-qr p {
    font-size: 0.85rem;
    color: rgba(229, 231, 235, 0.6);
}

.ai-app-stats {
    display: flex;
    gap: 30px;
}

.ai-app-stat {
    text-align: center;
}

.ai-app-stat-value {
    font-family: var(--ai-font-heading);
    font-size: 1.5rem;
    color: var(--ai-accent);
    font-weight: bold;
}

.ai-app-stat-label {
    font-size: 0.8rem;
    color: rgba(229, 231, 235, 0.5);
    margin-top: 3px;
}

/* --- Inner Hero (Column Pages) --- */
.ai-inner-hero {
    padding: 140px 20px 60px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.ai-inner-hero h1 {
    font-family: var(--ai-font-heading);
    font-size: 2.5rem;
    color: #fff;
    margin-bottom: 15px;
    text-shadow: 0 0 30px rgba(168, 85, 247, 0.5);
}

.ai-inner-hero p {
    color: rgba(229, 231, 235, 0.7);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* --- Content Section (Article Pages) --- */
.ai-content-section {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px 60px;
    position: relative;
    z-index: 1;
}

.ai-article-body {
    background: var(--ai-glass-bg);
    border: 1px solid var(--ai-glass-border);
    border-radius: var(--ai-radius);
    padding: 40px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.ai-article-body h2 {
    font-family: var(--ai-font-heading);
    font-size: 1.4rem;
    color: var(--ai-accent);
    margin: 35px 0 15px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(0, 246, 255, 0.2);
}

.ai-article-body h2:first-of-type {
    margin-top: 25px;
}

.ai-article-body p {
    color: rgba(229, 231, 235, 0.85);
    line-height: 1.9;
    margin-bottom: 18px;
    text-indent: 2em;
}

.ai-article-body img {
    width: 100%;
    height: auto;
    border-radius: var(--ai-radius);
    margin: 20px 0;
    border: 1px solid var(--ai-glass-border);
}

.ai-article-body pre {
    background: rgba(10, 0, 21, 0.8);
    border: 1px solid var(--ai-glass-border);
    border-radius: var(--ai-radius);
    padding: 20px;
    overflow-x: auto;
    margin: 20px 0;
}

.ai-article-body code {
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: 0.85rem;
    color: var(--ai-accent);
    line-height: 1.7;
}

/* --- Code Block Styles --- */
.ai-code-block {
    background: rgba(10, 0, 21, 0.8);
    border: 1px solid var(--ai-glass-border);
    border-radius: var(--ai-radius);
    padding: 20px;
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: 0.85rem;
    line-height: 1.8;
    color: var(--ai-text);
    overflow-x: auto;
}

.ai-code-comment {
    color: rgba(229, 231, 235, 0.4);
}

.ai-code-key {
    color: var(--ai-accent);
}

.ai-code-string {
    color: #4ade80;
}

/* --- Responsive Additions --- */
@media (max-width: 768px) {
    .ai-app-download-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .ai-app-phone-mockup {
        width: 220px;
    }

    .ai-inner-hero h1 {
        font-size: 1.8rem;
    }

    .ai-article-body {
        padding: 20px;
    }

    .ai-wb-upload-area {
        flex-direction: column;
    }

    .ai-wb-voice-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .ai-app-stats {
        justify-content: center;
    }

    .ai-wb-tabs {
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .ai-wb-voice-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .ai-app-buttons {
        flex-direction: column;
    }

    .ai-app-stats {
        flex-direction: column;
        gap: 15px;
    }
}