/* ========================================
   LAZYCUBE AAT V3 PRO
   工业风 + Cyber + 简约
   ======================================== */

/* --- 基础变量 --- */
:root {
    --bg: #0a0a0c;
    --bg-alt: #111114;
    --border: #2a2a30;
    --border-light: #3a3a40;
    --primary: #00f0ff;
    --primary-dim: rgba(0, 240, 255, 0.1);
    --accent: #ff3d00;
    --text: #e0e0e0;
    --text-dim: #707070;
    --font-mono: 'Consolas', 'Monaco', 'Courier New', monospace;
    --font-tech: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    --font-cn: -apple-system, BlinkMacSystemFont, 'Microsoft YaHei', 'PingFang SC', 'SimHei', sans-serif;
}

/* --- 重置 --- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-cn);
    line-height: 1.6;
    overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

/* --- 背景网格 --- */
.grid-bg {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.3;
    pointer-events: none;
    z-index: 0;
}
.scanline {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.1) 2px,
        rgba(0, 0, 0, 0.1) 4px
    );
    pointer-events: none;
    z-index: 1000;
}

/* --- 加载动画 --- */
.loader {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: var(--bg);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s, visibility 0.5s;
}
.loader.hidden {
    opacity: 0;
    visibility: hidden;
}
.loader-text {
    text-align: center;
    margin-bottom: 30px;
}
.loader-glitch {
    font-family: var(--font-tech);
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 8px;
    position: relative;
}
.loader-glitch::before,
.loader-glitch::after {
    content: attr(data-text);
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
}
.loader-glitch::before {
    color: var(--accent);
    animation: glitch-1 0.3s infinite;
    clip-path: polygon(0 0, 100% 0, 100% 35%, 0 35%);
}
.loader-glitch::after {
    color: #fff;
    animation: glitch-2 0.3s infinite;
    clip-path: polygon(0 65%, 100% 65%, 100% 100%, 0 100%);
}
@keyframes glitch-1 {
    0%, 100% { transform: translate(0); }
    20% { transform: translate(-2px, 2px); }
    40% { transform: translate(-2px, -2px); }
    60% { transform: translate(2px, 2px); }
    80% { transform: translate(2px, -2px); }
}
@keyframes glitch-2 {
    0%, 100% { transform: translate(0); }
    20% { transform: translate(2px, -2px); }
    40% { transform: translate(2px, 2px); }
    60% { transform: translate(-2px, -2px); }
    80% { transform: translate(-2px, 2px); }
}
.loader-sub {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-dim);
    letter-spacing: 4px;
}
.loader-bar {
    width: 200px;
    height: 2px;
    background: var(--border);
    overflow: hidden;
}
.loader-progress {
    height: 100%;
    background: var(--primary);
    animation: load 1.5s ease-out forwards;
}
@keyframes load {
    from { width: 0; }
    to { width: 100%; }
}

/* --- 导航栏 --- */
.navbar {
    position: fixed;
    top: 0; left: 0; width: 100%;
    z-index: 100;
    background: rgba(10, 10, 12, 0.95);
    backdrop-filter: blur(10px);
}
.nav-line {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
}
.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 15px 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.brand {
    display: flex;
    align-items: baseline;
    gap: 10px;
}
.brand-text {
    font-family: var(--font-tech);
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--primary);
}
.brand-model {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--accent);
    letter-spacing: 2px;
}
.nav-links {
    display: flex;
    gap: 40px;
}
.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-dim);
    transition: color 0.3s;
}
.nav-link:hover { color: var(--primary); }
.nav-num {
    font-size: 0.65rem;
    color: var(--border-light);
}
.btn-purchase {
    position: relative;
    padding: 10px 25px;
    border: 1px solid var(--border);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 2px;
    transition: all 0.3s;
}
.btn-purchase:hover {
    border-color: var(--primary);
    color: var(--primary);
}
.btn-corner {
    position: absolute;
    bottom: -1px;
    right: -1px;
    width: 8px;
    height: 8px;
    border-bottom: 1px solid var(--primary);
    border-right: 1px solid var(--primary);
}

/* --- 通用区块 --- */
section {
    position: relative;
    z-index: 1;
    padding: 120px 30px;
}
.section-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 60px;
}
.section-num {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent);
    letter-spacing: 2px;
}
.section-title {
    font-family: var(--font-tech);
    font-size: 1.8rem;
    font-weight: 600;
    letter-spacing: 4px;
    color: var(--text);
}
.section-line {
    flex: 1;
    height: 1px;
    background: var(--border);
}

/* --- Hero区域 --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
}
.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}
.hero-tagline {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}
.tag-line {
    width: 30px;
    height: 1px;
    background: var(--accent);
}
.tag-text {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 4px;
    color: var(--accent);
}
.hero-title {
    font-family: var(--font-tech);
    font-size: 5rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 20px;
}
.title-line {
    display: block;
    color: var(--primary);
}
.title-model {
    display: block;
    font-size: 2.5rem;
    color: var(--text);
}
.hero-desc {
    font-size: 1rem;
    color: var(--text-dim);
    margin-bottom: 40px;
    max-width: 400px;
}
.hero-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 40px;
}
.hero-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-dim);
}
.feature-icon {
    color: var(--primary);
}
.hero-actions {
    display: flex;
    gap: 20px;
}
.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 2px;
    transition: all 0.3s;
}
.btn-primary {
    background: var(--primary);
    color: var(--bg);
}
.btn-primary:hover {
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.4);
}
.btn-secondary {
    border: 1px solid var(--border);
    color: var(--text);
}
.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
}
.btn-arrow {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
}

/* --- 产品框 --- */
.hero-product {
    position: relative;
}
.product-frame {
    position: relative;
    padding: 20px;
    border: 1px solid var(--border);
}
.frame-corner {
    position: absolute;
    width: 20px;
    height: 20px;
    border-color: var(--primary);
}
.frame-corner.tl { top: -1px; left: -1px; border-top: 2px solid; border-left: 2px solid; }
.frame-corner.tr { top: -1px; right: -1px; border-top: 2px solid; border-right: 2px solid; }
.frame-corner.bl { bottom: -1px; left: -1px; border-bottom: 2px solid; border-left: 2px solid; }
.frame-corner.br { bottom: -1px; right: -1px; border-bottom: 2px solid; border-right: 2px solid; }
.product-img {
    width: 100%;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.5));
}
.product-data {
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}
.data-item {
    text-align: center;
}
.data-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--text-dim);
    letter-spacing: 1px;
}
.data-value {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text);
    margin-top: 5px;
}
.data-value.active {
    color: var(--primary);
}

/* --- 滚动提示 --- */
.scroll-hint {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
}
.scroll-text {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--text-dim);
    letter-spacing: 4px;
    display: block;
    margin-bottom: 10px;
}
.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(var(--border), var(--primary));
    margin: 0 auto;
    animation: scroll-pulse 2s infinite;
}
@keyframes scroll-pulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* --- 核心功能 --- */
.features { background: var(--bg-alt); }
.features-container {
    max-width: 1200px;
    margin: 0 auto;
}
.feature-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}
.feature-hero-image {
    position: relative;
    border: 1px solid var(--border);
}
.feature-hero-image img {
    width: 100%;
}
.image-overlay {
    position: absolute;
    top: 20px;
    left: 20px;
}
.overlay-tag {
    padding: 5px 15px;
    background: var(--accent);
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 2px;
}
.feature-hero-content h3 {
    font-family: var(--font-tech);
    font-size: 1.5rem;
    margin-bottom: 10px;
}
.feature-hero-content > p {
    color: var(--text-dim);
    margin-bottom: 25px;
}
.feature-list {
    margin-bottom: 25px;
}
.list-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    font-size: 0.9rem;
    color: var(--text-dim);
}
.list-bullet {
    color: var(--primary);
}
.feature-tag {
    display: inline-block;
    padding: 8px 20px;
    border: 1px solid var(--border);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 2px;
}
.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 50px;
}
.feature-card {
    padding: 25px;
    border: 1px solid var(--border);
    background: var(--bg);
    transition: border-color 0.3s;
}
.feature-card:hover {
    border-color: var(--primary);
}
.card-icon {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 15px;
}
.feature-card h4 {
    font-family: var(--font-tech);
    font-size: 1.1rem;
    margin-bottom: 10px;
}
.feature-card p {
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-bottom: 15px;
    line-height: 1.5;
}
.card-spec {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-dim);
    padding-top: 15px;
    border-top: 1px solid var(--border);
}
.compatibility { text-align: center; }
.compatibility h4 {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 4px;
    margin-bottom: 30px;
}
.compat-images {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.compat-item {
    border: 1px solid var(--border);
    padding: 15px;
}
.compat-item img {
    width: 100%;
    margin-bottom: 10px;
}
.compat-item span {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-dim);
}

/* --- 触摸屏展示 --- */
.screen-section {
    background: var(--bg-alt);
}
.screen-showcase {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}
.screen-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}
.screen-item {
    text-align: center;
}
.screen-item img {
    width: 100%;
    border-radius: 15px;
    border: 1px solid var(--border);
}
.screen-item span {
    display: block;
    margin-top: 10px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-dim);
}
.screen-desc {
    font-size: 0.9rem;
    color: var(--text-dim);
}

/* --- 技术参数 --- */
.specs-container {
    max-width: 1000px;
    margin: 0 auto;
}
.specs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.spec-group {
    border: 1px solid var(--border);
    padding: 25px;
}
.spec-group h5 {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 3px;
    color: var(--accent);
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border);
}
.spec-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-light);
    font-size: 0.85rem;
}
.spec-row:last-child {
    border-bottom: none;
}
.spec-row span:first-child {
    color: var(--text-dim);
}
.spec-row span:last-child {
    text-align: right;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text);
}

/* --- 产品图赏 --- */
.gallery { background: var(--bg-alt); }
.gallery-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
}
.gallery-item {
    position: relative;
    border: 1px solid var(--border);
    cursor: pointer;
    overflow: hidden;
    aspect-ratio: 4/3;
}
.gallery-item.main {
    grid-column: span 2;
    grid-row: span 2;
    aspect-ratio: auto;
}
.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s, filter 0.5s;
}
.gallery-item:hover img {
    transform: scale(1.05);
    filter: brightness(1.2);
}
.gallery-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 15px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    transform: translateY(100%);
    transition: transform 0.3s;
}
.gallery-item:hover .gallery-info {
    transform: translateY(0);
}
.gallery-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text);
}
.gallery-icon {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 1.2rem;
    color: var(--primary);
    opacity: 0;
    transition: opacity 0.3s;
}
.gallery-item:hover .gallery-icon {
    opacity: 1;
}

/* --- 灯箱 --- */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 40px;
}
.lightbox.active {
    display: flex;
}
.lightbox-img {
    max-width: 90%;
    max-height: 90vh;
    object-fit: contain;
}
.lightbox-close {
    position: absolute;
    top: 30px;
    right: 40px;
    font-size: 3rem;
    color: var(--text);
    cursor: pointer;
    transition: color 0.3s;
}
.lightbox-close:hover {
    color: var(--primary);
}

/* --- APP区域 --- */
.app-section { background: var(--bg-alt); }
.app-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.app-info h3 {
    font-family: var(--font-tech);
    font-size: 2rem;
    margin-bottom: 10px;
}
.app-info > p {
    color: var(--text-dim);
    margin-bottom: 30px;
}
.app-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.app-feature {
    display: flex;
    gap: 20px;
}
.app-num {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    color: var(--accent);
    min-width: 40px;
}
.app-feature h5 {
    font-size: 1rem;
    margin-bottom: 5px;
}
.tag-openipc {
    display: inline-block;
    font-size: 0.7rem;
    padding: 2px 6px;
    background: rgba(0, 240, 255, 0.15);
    color: var(--primary);
    border: 1px solid var(--primary);
    border-radius: 3px;
    margin-left: 8px;
    font-family: var(--font-mono);
}
.app-feature p {
    font-size: 0.85rem;
    color: var(--text-dim);
}
.app-image {
    position: relative;
}
.app-image img {
    width: 100%;
    border-radius: 20px;
}
.app-frame {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    pointer-events: none;
}
.frame-line {
    position: absolute;
    background: var(--primary);
}
.frame-line.tl { top: 0; left: 0; width: 30px; height: 1px; }
.frame-line.tr { top: 0; right: 0; width: 1px; height: 30px; }
.frame-line.bl { bottom: 0; left: 0; width: 1px; height: 30px; }
.frame-line.br { bottom: 0; right: 0; width: 30px; height: 1px; }
.software-ui {
    max-width: 1200px;
    margin: 60px auto 0;
    border: 1px solid var(--border);
}
.software-ui img {
    width: 100%;
}

/* --- 应用场景 --- */
.scenarios-grid {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.scenario-item {
    padding: 30px;
    border: 1px solid var(--border);
    position: relative;
    transition: border-color 0.3s;
}
.scenario-item:hover {
    border-color: var(--border-light);
}
.scenario-num {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--accent);
    letter-spacing: 2px;
}
.scenario-item h4 {
    font-family: var(--font-tech);
    font-size: 1.2rem;
    margin: 10px 0;
}
.scenario-item p {
    font-size: 0.9rem;
    color: var(--text-dim);
}
.scenario-item.featured {
    border-color: var(--accent);
    background: rgba(255, 61, 0, 0.05);
}
.scenario-tag {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 4px 12px;
    background: var(--accent);
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 1px;
}

/* --- FAQ --- */
.faq { background: var(--bg-alt); }
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}
.faq-item {
    border: 1px solid var(--border);
    margin-bottom: 15px;
}
.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    cursor: pointer;
    font-family: var(--font-cn);
    font-size: 0.95rem;
    transition: background 0.3s;
}
.faq-question:hover {
    background: var(--bg);
}
.faq-toggle {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    color: var(--primary);
    transition: transform 0.3s;
}
.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    padding: 0 25px;
    transition: all 0.3s ease;
}
.faq-item.active .faq-answer {
    padding-bottom: 20px;
}
.faq-answer p {
    font-size: 0.9rem;
    color: var(--text-dim);
}

/* --- 页脚 --- */
.footer {
    padding: 60px 30px 30px;
    border-top: 1px solid var(--border);
}
.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.footer-logo {
    font-family: var(--font-tech);
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 4px;
    color: var(--primary);
}
.footer-tagline {
    font-size: 0.8rem;
    color: var(--text-dim);
}
.footer-links {
    display: flex;
    gap: 30px;
}
.footer-links a {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-dim);
    transition: color 0.3s;
}
.footer-links a:hover {
    color: var(--primary);
}
.footer-bottom {
    max-width: 1200px;
    margin: 30px auto 0;
    padding-top: 20px;
    border-top: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-dim);
    text-align: center;
}

/* --- 订购弹窗 --- */
.order-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.order-modal.active {
    display: flex;
}
.order-modal-content {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    padding: 40px;
    max-width: 450px;
    text-align: center;
    position: relative;
}
.order-modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 2rem;
    color: var(--text-dim);
    cursor: pointer;
    transition: color 0.3s;
}
.order-modal-close:hover {
    color: var(--primary);
}
.order-modal-content h3 {
    font-family: var(--font-tech);
    font-size: 1.5rem;
    margin-bottom: 15px;
}
.order-modal-content p {
    color: var(--text-dim);
    line-height: 1.8;
    margin-bottom: 25px;
}
.wechat-card {
    width: 100%;
    max-width: 320px;
    border-radius: 10px;
    margin: 0 auto;
}

/* --- 响应式 --- */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-tagline {
        justify-content: center;
    }
    .hero-title {
        font-size: 3.5rem;
    }
    .hero-features {
        text-align: left;
    }
    .hero-actions {
        justify-content: center;
    }
    .feature-hero {
        grid-template-columns: 1fr;
    }
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .specs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .gallery-item.main {
        grid-column: span 1;
        grid-row: span 1;
    }
    .app-container {
        grid-template-columns: 1fr;
    }
    .footer-content {
        flex-direction: column;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero-title {
        font-size: 2.5rem;
    }
    .title-model {
        font-size: 1.5rem;
    }
    .feature-grid,
    .specs-grid,
    .scenarios-grid {
        grid-template-columns: 1fr;
    }
    .hero-actions {
        flex-direction: column;
    }
    .compat-images {
        grid-template-columns: 1fr;
    }
    section {
        padding: 80px 20px;
    }
}

@media (max-width: 480px) {
    .hero-features {
        grid-template-columns: 1fr;
    }
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}