/* 科技感首页样式 - 浅色调版本 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --secondary-color: #7c3aed;
    --accent-color: #ec4899;
    --dark-bg: #f8fafc;
    --card-bg: rgba(255, 255, 255, 0.7);
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: rgba(255, 255, 255, 0.5);
    --shadow-color: rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* 动态背景 */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    background: linear-gradient(135deg, #e0f2fe 0%, #f0e9ff 50%, #fce7f3 100%);
}

.particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(37, 99, 235, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(124, 58, 237, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(236, 72, 153, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 60% 70%, rgba(6, 182, 212, 0.1) 0%, transparent 45%);
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.5;
    animation: float 15s infinite ease-in-out;
}

.orb-1 {
    width: 700px;
    height: 700px;
    background: linear-gradient(135deg, #60a5fa, #a78bfa);
    top: -250px;
    right: -150px;
    animation-delay: 0s;
}

.orb-2 {
    width: 600px;
    height: 600px;
    background: linear-gradient(135deg, #f472b6, #fb7185);
    bottom: -200px;
    left: -100px;
    animation-delay: -5s;
}

.orb-3 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, #22d3ee, #60a5fa);
    top: 40%;
    left: 60%;
    transform: translate(-50%, -50%);
    animation-delay: -10s;
}

.orb-4 {
    width: 450px;
    height: 450px;
    background: linear-gradient(135deg, #c084fc, #f472b6);
    top: 70%;
    right: 20%;
    animation-delay: -7s;
}

.grid-overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(148, 163, 184, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 163, 184, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(50px, -50px) scale(1.1); }
    50% { transform: translate(-30px, 30px) scale(0.95); }
    75% { transform: translate(30px, 50px) scale(1.05); }
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 1px 3px var(--shadow-color);
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 45px;
    height: 45px;
    position: relative;
}

.tire-animation {
    width: 100%;
    height: 100%;
    animation: tire-rotate 10s linear infinite;
}

.tire-svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 2px 8px rgba(37, 99, 235, 0.2));
}

.tire-svg circle[stroke="#333"] {
    stroke: #1a1a1a;
}

.tire-svg circle[stroke="#444"] {
    stroke: #2a2a2a;
}

.tire-svg circle[stroke="#555"] {
    stroke: #3a3a3a;
}

.tire-svg circle[fill="#667eea"] {
    fill: #3b82f6;
}

.tire-svg circle[fill="#764ba2"] {
    fill: #7c3aed;
}

.tire-svg circle[fill="#1a1a1a"] {
    fill: #1e293b;
}

@keyframes tire-rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.logo-text {
    font-size: 20px;
    font-weight: 800;
    color: #2563eb;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #2563eb, #7c3aed);
    transition: width 0.3s;
}

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

.nav-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.user-nav-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-nav-avatar {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 14px;
    font-weight: 600;
}

.user-nav-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.logout-btn-nav {
    padding: 8px 16px !important;
    font-size: 13px !important;
}

.btn {
    padding: 10px 24px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-outline {
    background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    border: none;
    color: white;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.btn-outline:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.btn-primary {
    background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.btn-large {
    padding: 16px 32px;
    font-size: 16px;
}

.btn-glow {
    background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    color: white;
    box-shadow: 0 0 30px rgba(37, 99, 235, 0.3);
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from { box-shadow: 0 0 30px rgba(37, 99, 235, 0.3); }
    to { box-shadow: 0 0 50px rgba(37, 99, 235, 0.5), 0 0 80px rgba(124, 58, 237, 0.3); }
}

.btn-secondary {
    background: #f1f5f9;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: #e2e8f0;
}

.btn-outline-light {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-outline-light:hover {
    background: #f8fafc;
    border-color: var(--primary-color);
    color: var(--primary-color);
}

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

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s;
}

/* 主视觉区 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 30px 80px;
    position: relative;
}

.hero-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(37, 99, 235, 0.1);
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: 50px;
    font-size: 14px;
    color: var(--primary-color);
    margin-bottom: 24px;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.title-line {
    display: block;
}

.title-line.highlight {
    background: linear-gradient(135deg, #2563eb 0%, #7c3aed 50%, #ec4899 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

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

.stat-number {
    font-size: 36px;
    font-weight: 800;
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* 右侧视觉 */
.hero-visual {
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-logo-large {
    position: relative;
    width: 320px;
    height: 320px;
}

/* 呼吸轮胎效果 */
.breathing-tire {
    position: absolute;
    border-radius: 50%;
    border: 3px solid transparent;
    background: linear-gradient(white, white) padding-box,
                linear-gradient(135deg, #2563eb, #7c3aed, #ec4899) border-box;
}

.tire-outer {
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    animation: tire-breathe-1 3s ease-in-out infinite;
}

.tire-middle {
    width: 75%;
    height: 75%;
    top: 12.5%;
    left: 12.5%;
    animation: tire-breathe-2 3s ease-in-out infinite;
}

.tire-inner {
    width: 50%;
    height: 50%;
    top: 25%;
    left: 25%;
    animation: tire-breathe-3 3s ease-in-out infinite;
}

@keyframes tire-breathe-1 {
    0%, 100% { 
        transform: scale(1);
        opacity: 1;
        box-shadow: 0 0 30px rgba(37, 99, 235, 0.3);
    }
    50% { 
        transform: scale(1.08);
        opacity: 0.7;
        box-shadow: 0 0 60px rgba(37, 99, 235, 0.5);
    }
}

@keyframes tire-breathe-2 {
    0%, 100% { 
        transform: scale(1);
        opacity: 0.9;
        box-shadow: 0 0 25px rgba(124, 58, 237, 0.3);
    }
    50% { 
        transform: scale(1.06);
        opacity: 0.6;
        box-shadow: 0 0 50px rgba(124, 58, 237, 0.5);
    }
}

@keyframes tire-breathe-3 {
    0%, 100% { 
        transform: scale(1);
        opacity: 0.8;
        box-shadow: 0 0 20px rgba(236, 72, 153, 0.3);
    }
    50% { 
        transform: scale(1.04);
        opacity: 0.5;
        box-shadow: 0 0 40px rgba(236, 72, 153, 0.5);
    }
}

/* 中心轮胎 */
.tire-center {
    position: absolute;
    width: 35%;
    height: 35%;
    top: 32.5%;
    left: 32.5%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: center-pulse 3s ease-in-out infinite;
}

.center-tire-svg {
    width: 100%;
    height: 100%;
    animation: tire-spin 15s linear infinite;
    filter: drop-shadow(0 4px 20px rgba(37, 99, 235, 0.4));
}

@keyframes tire-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes center-pulse {
    0%, 100% { 
        transform: scale(1);
    }
    50% { 
        transform: scale(1.05);
    }
}

.center-ai-text {
    position: absolute;
    font-size: 28px;
    font-weight: 900;
    color: white;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    pointer-events: none;
}

.floating-cards {
    position: absolute;
    width: 100%;
    height: 100%;
}

.float-card {
    position: absolute;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 4px 20px var(--shadow-color);
    animation: float-card 6s ease-in-out infinite;
}

.card-1 {
    top: 10%;
    left: 0;
    animation-delay: 0s;
}

.card-2 {
    top: 50%;
    right: 0;
    animation-delay: -2s;
}

.card-3 {
    bottom: 10%;
    left: 10%;
    animation-delay: -4s;
}

@keyframes float-card {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.card-icon {
    font-size: 24px;
}

.card-text {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

/* 通用容器 */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
}

/* 区块标题 */
.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-tag {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(37, 99, 235, 0.1);
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: 50px;
    font-size: 14px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.section-desc {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* 功能特性 */
.features {
    padding: 120px 0;
    position: relative;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px 30px;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px var(--shadow-color);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.3), transparent);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: rgba(37, 99, 235, 0.2);
    box-shadow: 0 20px 40px var(--shadow-color);
}

.feature-icon-wrapper {
    position: relative;
    width: 70px;
    height: 70px;
    margin-bottom: 24px;
}

.feature-icon {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    position: relative;
    z-index: 1;
}

.icon-glow {
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    border-radius: 16px;
    filter: blur(20px);
    opacity: 0.3;
    top: 10px;
    left: 0;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #2563eb;
}

.feature-card > p {
    color: var(--text-secondary);
    font-size: 15px;
    margin-bottom: 20px;
    line-height: 1.7;
}

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

.feature-list li {
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
    color: var(--text-secondary);
    font-size: 14px;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* 核心优势 */
.advantages {
    padding: 120px 0;
    background: linear-gradient(180deg, transparent, rgba(37, 99, 235, 0.03), transparent);
}

.advantages-content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.advantage-item {
    display: flex;
    gap: 24px;
    padding: 30px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    transition: all 0.3s;
    box-shadow: 0 4px 20px var(--shadow-color);
}

.advantage-item:hover {
    border-color: rgba(37, 99, 235, 0.2);
    transform: translateX(10px);
    box-shadow: 0 10px 30px var(--shadow-color);
}

.advantage-number {
    font-size: 48px;
    font-weight: 800;
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.advantage-text h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #2563eb;
}

.advantage-text p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.7;
}

/* 应用场景 */
.applications {
    padding: 120px 0;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.application-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s;
    box-shadow: 0 4px 20px var(--shadow-color);
}

.application-card:hover {
    transform: translateY(-5px);
    border-color: rgba(37, 99, 235, 0.2);
    box-shadow: 0 10px 30px var(--shadow-color);
}

.app-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.application-card h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #2563eb;
}

.application-card p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

/* 联系我们 */
.contact {
    padding: 120px 0;
    background: linear-gradient(180deg, transparent, rgba(37, 99, 235, 0.03), transparent);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    transition: all 0.3s;
    box-shadow: 0 4px 20px var(--shadow-color);
}

.contact-item:hover {
    transform: translateX(10px);
    border-color: rgba(37, 99, 235, 0.2);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.contact-text h4 {
    font-size: 16px;
    font-weight: 700;
    color: #2563eb;
    margin-bottom: 4px;
}

.contact-text p {
    font-size: 14px;
    color: var(--text-secondary);
}

.contact-form-wrapper {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 4px 20px var(--shadow-color);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-size: 15px;
    background: rgba(255, 255, 255, 0.5);
    color: var(--text-primary);
    transition: all 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-secondary);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* CTA区域 */
.cta {
    padding: 120px 0;
    position: relative;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05), rgba(124, 58, 237, 0.05));
    filter: blur(100px);
}

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

.cta h2 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.cta p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
}

/* 页脚 - 修复排版 */
.footer {
    padding: 60px 0 20px;
    border-top: 1px solid var(--border-color);
    background: #ffffff;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand {
    flex: 1;
    max-width: 400px;
}

.footer-brand .logo {
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-brand .logo-icon.small {
    width: 40px;
    height: 40px;
}

.footer-brand .logo-icon.small .tire-svg circle[stroke="#fff"] {
    stroke: #334155;
}

.footer-brand span {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    margin-top: 8px;
}

.footer-links {
    display: flex;
    gap: 60px;
}

.link-group {
    min-width: 100px;
}

.link-group h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.link-group a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 6px 0;
    font-size: 14px;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* 响应式 */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-visual {
        display: none;
    }
    
    .hero-title {
        font-size: 48px;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advantages-content {
        grid-template-columns: 1fr;
    }
    
    .applications-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 40px;
    }
    
    .footer-links {
        width: 100%;
        justify-content: flex-start;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: 20px;
    }
    
    .features-grid,
    .applications-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 30px;
    }
    
    .cta-actions {
        flex-direction: column;
    }
}